Django community: RSS
This page, updated regularly, aggregates Django jobs from the Django community.
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Frontend Django Developer
Swappa is a user-to-user marketplace for consumer tech, including smartphones, laptops, video games, and smart home tech. Since our launch in 2010 we’ve helped millions of buyers and sellers get the best value. In 2020 we’ll help our users drive over $100M in marketplace commerce. Swappa’s Frontend Django Developer will be responsible for coding easy to understand user-facing functionality using Python (Django), JavaScript (jQuery and Vue), HTML and CSS (Bootstrap). Your goal will be to improve ecommerce conversion through good implementation as part of a capable development team. Technologies: Django (1.8) and Python (2.7) JavaScript, jQuery and Vue HTML, CSS and Bootstrap (v3) Git, GitHub Vagrant This is a full-time, remote, work-from-almost-anywhere role. Swappa is a distributed team spread out all over the world. Experience working with a remote team is a requirement. Responsibilities: Implement efficient functionality using Django and web technologies Translate high-level ideas into usable interfaces Implement wireframes and designs as responsive layouts Help design and implement A/B tests Work within design guidelines to create simple page layouts Though we’ve been around a while, are bootstrapped and profitable, Swappa still operates a lot like a startup. Everyone on our team wears many hats and does whatever it takes … -
Django Software Engineer
Portsmouth, United Kingdom Flexible This is an exciting opportunity for someone come in and help develop our intelligent building management solution. This is one of those rare moments when someone with talent, ambition and a love of development can really make a difference.Remote OK, but you would need to attend occasional meetings in our London or Portsmouth UK office.The RoleOur development team is based near Portsmouth UK but can be flexible for the right person and are open to people working from home when the work allows, the role will be permanent, but we would consider contract to permanent for the right person. The successful applicant really will need to hit the ground running. You will be reporting to the head of development and the CEO to design, build, test and deploy software and API integration touch points for our enterprise suite of business tools.Working in the development team we need someone with attention to detail, the ability to be able define and agree the workload and deliver good quality software on time. This is a unique opportunity for the right person.The vast majority of our projects are Python 3 + Django + DRF with the odd bit of Go … -
Remote Full Stack Django Developer
London, United Kingdom 100% Remote Django Developer (Remote)London, UK.REMOTE okay, but bonus points if you can get to London sometimes.Wildfish - https://wildfish.comWe're a London based consultancy who work exclusively with Django.We're looking for a full stack developer to join us permanently but will consider freelancer too.Primarily you'll be working on our client sites maintaining and developing Django web applications and mobile APIs, but also working on some of our own products and open source work.Everyone in our organisation is technical, all of us working remotely, although it's handy if you're within distance of London for meetings occasionally. We're ideally looking for someone in the UK, but will possibly consider someone overseas with excellent English in a similar timezone.Some of the things we use, which it would be good for you to know some of:Python/Django [Essential]HTML/CSS/Javascript [Essential]ReactPostgreSQLDocker/KubernetesUbuntu Linux Server AdminThe most important thing is that you must be passionate about your craft, and eager to share and learn with others who feel the same.You'll need to be able to work autonomously, so it's important that you're the sort of person who has attention to detail and can be self motivated.Please email work@wildfish.com, including the salary or rate you're looking for, along … -
Remote Full Stack Django Developer
London, United Kingdom 100% Remote Django Developer (Remote)London, UK.REMOTE okay, but bonus points if you can get to London sometimes.Wildfish - https://wildfish.comWe're a London based consultancy who work exclusively with Django.We're looking for a full stack developer to join us permanently but will consider freelancer too.Primarily you'll be working on our client sites maintaining and developing Django web applications and mobile APIs, but also working on some of our own products and open source work.Everyone in our organisation is technical, all of us working remotely, although it's handy if you're within distance of London for meetings occasionally. We're ideally looking for someone in the UK, but will possibly consider someone overseas with excellent English in a similar timezone.Some of the things we use, which it would be good for you to know some of:Python/Django [Essential]HTML/CSS/Javascript [Essential]ReactPostgreSQLDocker/KubernetesUbuntu Linux Server AdminThe most important thing is that you must be passionate about your craft, and eager to share and learn with others who feel the same.You'll need to be able to work autonomously, so it's important that you're the sort of person who has attention to detail and can be self motivated.Please email work@wildfish.com, including the salary or rate you're looking for, along … -
Front-end developer
, Nederland Flexible ContextExcept Integrated Sustainability is a sustainability consultancy based in Utrecht, the Netherlands. As part of our strategy, we are currently building a new website that fits our branding.The back-end of the website has already been developed and the front-end partially implemented. We are now looking for someone to finish the development of the front-end.The technologies used for the website are:Django and Wagtail for the back-endHTML, CSS, JavaScript and JQuery for the front-end.Your workYour work for this assignment is to finish the development of the front-end. Your main tasks will be to complete the desktop version and develop the mobile version of the website. Our main goal is to build a fully responsive website. You will work with our graphic designer and developer during the assignment.The work-in-progress version of the website is available at except.eco.RequirementsExperience in HTML, CSS, Javascript and JQueryComplete familiarity with Django and WagtailAbility to adapt other’s workAutonomous, proactive approachFluent in EnglishAvailable as soon as possibleOption to work in our office.About ExceptExcept Integrated Sustainability is a sustainable development, design and innovation consultancy. We consist of a multi-disciplinary team of about 20 people and we are growing. Except delivers concepts and strategies for resilient, just, and inspiring … -
DJANGO - PYTHON DEVELOPER
New York 100% Remote We’re looking for experienced Django developer to join our team as a contractor/freelancer on a part-time (3-5 hours) or full-time basis.Being specialized in Docker / DevOps is a plus.If you qualify, we’d like to conduct a paid test.We're a distributed, remote team, spread around the world, with the main office in New York. [More info at ibleducation.com]The platform we use, Open edX, is primarily written in Django; millions of learners use it, including edx.org. Take a look at its main GitHub repo and components. If this sounds interesting to you, please contact us at careers@ibleducation.com.*NO agencies -
Python / Django Engineer
New South Wales, Australia On-Site We are a tech-focused energy supplier and we're looking for diligent software engineers to join us.There's a great opportunity for disruption in the energy market at the moment. The big suppliers still dominate, but are not exactly popular. The energy landscape is changing as we move to more disaggregated forms of generation, with less predictability, more dynamism and smarter technology.You'll be working for a company that is helping address climate change. We're helping move people onto using greener technology and consuming energy from renewable sources. This will all help transition us towards a lower carbon future.This role offers a great opportunity to help shape the development of Australian market specific functionality into our global energy platform.TechWe're building a modern, event-driven infrastructure for interacting with both consumers (via the web, mobile apps and smart-meters) and the industry (e.g. data flows, consumption forecasting, trading on the wholesale market).We use Python heavily: our consumer-facing site is powered by Django and the Django-REST-framework amongst other things. We also use Pandas, Numpy and Jupyter for analysis and forecasting, and Celery for background tasks. Client-side, we use React and React-native.We’re hosted on AWS, and employ most of the Hashistack (Vagrant, Packer, … -
Python / Django Engineer
We are a tech-focused energy supplier and we're looking for diligent software engineers to join us. There's a great opportunity for disruption in the energy market at the moment. The big suppliers still dominate, but are not exactly popular. The energy landscape is changing as we move to more disaggregated forms of generation, with less predictability, more dynamism and smarter technology. You'll be working for a company that is helping address climate change. We're helping move people onto using greener technology and consuming energy from renewable sources. This will all help transition us towards a lower carbon future. This role offers a great opportunity to help shape the development of Australian market specific functionality into our global energy platform. Tech We're building a modern, event-driven infrastructure for interacting with both consumers (via the web, mobile apps and smart-meters) and the industry (e.g. data flows, consumption forecasting, trading on the wholesale market). We use Python heavily: our consumer-facing site is powered by Django and the Django-REST-framework amongst other things. We also use Pandas, Numpy and Jupyter for analysis and forecasting, and Celery for background tasks. Client-side, we use React and React-native. We’re hosted on AWS, and employ most of the Hashistack … -
Senior Software Design Engineer
Senior Software Design Engineer In a nutshell LOCATION Veldhoven, Netherlands TEAM Research & development EXPERIENCE 3-7 years DEGREE Bachelor JOB CATEGORY Computer science & software engineering TRAVEL No Introduction ASML is leading in the worldwide development, production and sales of high end lithography systems for the semiconductor industry. Worldwide over 20.000 people work at ASML, with important settlings in the United States, Asia and the head office in Veldhoven. The employees of ASML share the passion for technology with a customer focus. At ASML one works ongoing for the further development and implementation of complex and high-quality technological systems. Working at ASML is therefore challenging and extremely dynamic. To remain successful the company has ambitious objectives and high standard requirements. Within ASML, the sector Development and Engineering is responsible for the specification, design, integration, qualification, and sustaining of all ASML products. Job Mission Our software departments are expanding and we are looking for several Senior Design Engineers to join our teams! Within ASML, we have several software departments and each is specialized in creating, maintaining and configuring various complex software products. Depending on the department, you could be working on high tech Java products, or C# applications or on C/C++ … -
Senior Software Engineering at Palo Alto startup (full-time)
Palo Alto, California (required on-site) Are you an experienced Django developer, looking for a full-time position at an established healthcare startup in Palo Alto?If so, email scott@limbix.com, or apply online: https://angel.co/company/limbix/jobs/624447-senior-software-engineer------SUMMARYLimbix is creating prescription digital therapeutics (PDTs) to increase efficacy and access to mental health treatment. PDTs will leverage mobile apps and VR to engage users in evidence-based treatments. PDTs can be prescribed to patients as an alternative to pharmaceutical or traditional therapy options.RESPONSIBILITIESWe’re looking for an experienced full-stack engineer to help create a robust and cutting-edge platform for prescription digital therapeutics.A partial list of responsibilities includes:Architecting stable full-stack systemsUnderstanding and implementing security and data protection policiesCollaborate with the rest of the engineering and product team to design and launch new featureMaintain quality and ensure responsiveness of applicationMaintain code integrity and organizationQUALIFICATIONS & SKILLS5+ years of full-stack engineeringWorked on a real (non-remote) teamExperience with:Python, DjangoDockerGraphQLExperience in a healthcare company (nice-to-have):Quality Management SystemsHIPAA compliant workflowsABOUT LIMBIXLimbix is a small, well-funded team, located in Palo Alto that builds Mobile and Virtual Reality apps to improve mental health treatment by making it more effective, efficient, and easier to access. The team is led by veteran entrepreneurs and experts in creating amazingly high quality virtual reality … -
Senior Software Engineering at Palo Alto startup (full-time)
Palo Alto, California On-Site Are you an experienced Django developer, looking for a full-time position at an established healthcare startup in Palo Alto?If so, email scott@limbix.com, or apply online: https://angel.co/company/limbix/jobs/624447-senior-software-engineer------SUMMARYLimbix is creating prescription digital therapeutics (PDTs) to increase efficacy and access to mental health treatment. PDTs will leverage mobile apps and VR to engage users in evidence-based treatments. PDTs can be prescribed to patients as an alternative to pharmaceutical or traditional therapy options.RESPONSIBILITIESWe’re looking for an experienced full-stack engineer to help create a robust and cutting-edge platform for prescription digital therapeutics.A partial list of responsibilities includes:Architecting stable full-stack systemsUnderstanding and implementing security and data protection policiesCollaborate with the rest of the engineering and product team to design and launch new featureMaintain quality and ensure responsiveness of applicationMaintain code integrity and organizationQUALIFICATIONS & SKILLS5+ years of full-stack engineeringWorked on a real (non-remote) teamExperience with:Python, DjangoDockerGraphQLExperience in a healthcare company (nice-to-have):Quality Management SystemsHIPAA compliant workflowsABOUT LIMBIXLimbix is a small, well-funded team, located in Palo Alto that builds Mobile and Virtual Reality apps to improve mental health treatment by making it more effective, efficient, and easier to access. The team is led by veteran entrepreneurs and experts in creating amazingly high quality virtual … -
Full Stack Web Developer (Python/Django)
Bern, Schweiz We are looking for personalities with a proactive and goal-oriented way of working who have a high understanding of internal and external customer concerns. We are looking for ambitious specialists with project experience who, in addition to technological competence, consider the cooperation between business and IT to be an important success factor. AssignmentsTechnical solution design & development of specificationsImplementation of further developments in the AZUM system platform (implementation of new functionalities, bug fixing, etc.)Integration of external Web Services / REST API Our expectations of youMinimal requirements2 years experience with the Django development framework (v2.x) + Python 3 Additional requirementsExperience with PostgreSQL, RedisExperience with JavaScript, ES6Experience working with GNU/LinuxAdvanced knowledge of HTML/CSS3 Nice to have:Experience with the Bootstrap Framework (v3, v4)Experiences with vue.js What you can expect from usMotivated, young team and sparring partners who accelerate your further developmentAttractive employment conditions (flexible working hours, flexible work location, remuneration in line with market conditions)Team spirit & mutual support -
Python Django developer---NYC
About Us : ITC Infotech is a specialized global technology services provider, led by Business and Technology Consulting. ITC Infotech’s Digitaligence@work infuses technology with domain, data, design, and differentiated delivery to significantly enhance experience and efficiency, enabling our clients to differentiate and disrupt their business. The company is powered by a growing portfolio of specialized solutions addressing critical business challenges, including: Industry 4.0 solutions (PLM, IoT and Embedded), Customer Value Management, Loyalty, Trade Marketing & Distribution, Supply Chain Optimization, Data Engineering and Analytics, Healthcare Analytics, Digital Banking solutions and Digital Agriculture solutions. The company provides solutions to enterprises in Supply Chain based industries (CPG, Retail, Manufacturing, Hi-Tech) and Services (Banking, Financial Services and Insurance, Healthcare, Airline, Hospitality) through a combination of traditional and newer business models, as a long-term sustainable partner. http://www.itcinfotech.com Job Description Job Title : Sr. Python Developer Job Type : Full Time, Onsite (This position is not for International Developers for remote working or Telecommute) Location : New York, NY We are looking for candidates with experience and deep understanding of Microservices based architecture, with strong experience in Python and Django, Django ORM, Rest API, SQL, MySQL. Project involve migrating legacy applications to Microservices based architecture on … -
Remote Senior Backend Developer
Our Company Managing personal finances is a chronically stressful problem. Nine out of ten Americans say nothing would make them feel as confident and secure as being on top of their personal finances, but most software out there today falls short. Monarch is an early-stage, funded Silicon Valley-based startup. We are building the most comprehensive personal finance platform to help people improve their financial lives and achieve their goals. The Role As a Senior Backend Developer, you would own our Django backend implementation, helping us build the various extensions different people need to manage their personal finances (everything from budgeting, to financial coaching, to savings, investments, credit monitoring, and much more). You will help us decide on our early architecture, think through product decisions and trade-offs, and just pump out a lot of code. You are occasionally OK dipping your toes into our React Native frontend, if necessary, or helping lay our DevOps foundation—after all, at a startup, we all wear multiple hats. Our Team Our founding team consists of product-driven, serial entrepreneurs with multiple exits. Our CEO was one of the original creators of Mint.com and has a unique perspective on what is needed to meet consumers' needs in … -
Software Engineer
"Machine Learning will impact every industry on Earth, including manufacturing, agriculture, healthcare and many more" – Fei-Fei Li We are looking for a Software/Data/DevOps Engineer to join the Coefficient team full-time in London. You'll be working on projects with multiple clients across different industries, from financial services to healthcare to app startups and beyond. You'll be expected to take ideas from whiteboard to deployment, to design and build cloud architecture, and to ensure the code we deliver continues to meet the high standards our clients have come to expect from Coefficient. This is no ordinary software engineering role: you will also be delivering Python workshops, mentoring junior developers and taking a lead on some of the super secret AI-infused products that we've been developing in Coefficient Labs. We aim to be best-in-class at what we do, and we want to work with people who share that same attitude. About Us Coefficient is a data consultancy offering data science, engineering, machine learning and other AI-related services as well as bespoke training courses. We are driven by the challenge of solving real world problems by combining research-grade statistical techniques with a lean startup mentality and a technical skillset. We have also designed … -
Senior Django Developer
The Senior Django Developer will work directly with the Technical Project Manager in the development and maintenance of both new and existing web-based applications constructed using the Django framework. The position will (a) work with existing developers to become familiar with the existing applications, (b) work with users in the development, testing and support of new/enhanced features and (c) work with other staff to help integrate Django applications with internal back-end systems. This person must be able to set priorities, handle multiple tasks, meet deadlines with a high degree of urgency, and operate independently and collaboratively in a manner consistent with the mission and philosophy of the Greater Kansas City Community Foundation. Essential Functions: Development and testing of REST APIs in Python/Django.Familiarity with React and modern Javascript with ability to collaborate with front-end developers. Skills working with SQL in addition to solid understanding of Django ORM. Perform server and database admin tasks to optimize server and database performance. DevOps - deployment, Docker, Ansible, Git. Other duties as assigned and/or deemed necessary. Requirements Minimum five years’ experience building web-based applications using Python/Django. Ability to read, analyze and interpret general business periodicals, journals, technical procedures, or governmental regulations. Ability to work well … -
Python Developer - System Administration
Your mission: Your first main project will be to further develop our central server database Serveradmin written in Pythons web framework Django which orchestrates over 6000 VMs, 400 Hypervisors and over 14.000 other items such as routers and switches. You will plan and develop new features for the Web UI and the Web API for access of clients with tens of thousands of requests per hour You will also focus on other infrastructure operations tools and get insight into the Atlassian tool-stack and our community supporting tools Your profile: At least two years of active development experience in Python 3 and Django Experience in collaboration and working with git (github, gitlab etc.) Usage and administration of UNIX-like operating systems Experience with relational databases (DQL) and interest to dive deep to improve the data model of the application (DML, DDL) Interest or experience in PostgreSQL monitoring and profiling Knowledge of how TCP/IP networks are working Understanding of object-oriented programming, software architecture and design as well as API development Java and PHP knowledge is a plus Interest or knowledge in configuration management systems, ideally puppet, is a plus You enjoy dealing with diverse sets of requirements and needs while having a good … -
Senior Django Developer
Senior Full Stack Django Developer (Jakarta). SKOR Employee Engagement app is a Health-as-a-Service platform based out of Indonesia that reward employees for adopting more healthy life style. We (NAVA+Group) have launched SKOR in May 2016 as an engagement platform to ensure a happy, healthy employees for companies. Our backend is based on Python/Django and hosted on AWS while frontend uses jQuery/Bootstrap. We are currently looking for a Senior full-stack Python/Django, senior developer ready to bring their skills to a very driven and exciting start-up team. You will work closely with the product owner and mobile developers to continuously build and evolve our back-end platform for SKOR. We can offer visa sponsorship for the right candidate. We are building cool products in the corporate fitness space and you will contribute and drive this development. Job Requirements: Create decoupled, interactive web UIs using JavaScript, HTML, CSS, Jquery, Twitter Bootstrap. Provide technical advise and recommendations for language and software choices. Collaborate with project Manager to ensure all requirements are met. Evaluate technologies and manage technical planning. Support and ongoing development for existing projects. Provide clean code and test cases proper documentation for each project. Fix bugs and resolve ongoing issues. Required Skills: At … -
My Django site has a 500 internal server error that I need to fix ASAP
Weehawken, New Jersey I need a developer who can diagnose a problem and fix it. (The original developer is unavailable).http://navigator.libertylibrary.co -
My Django site has a 500 internal server error that I need to fix ASAP
Weehawken, New Jersey 100% Remote I need a developer who can diagnose a problem and fix it. (The original developer is unavailable).http://navigator.libertylibrary.co -
Django/Python Developer Contract (Remote or Mpls, MN)
Minneapolis, Minnesota We are seeking a contract Django/Python developer on behalf of our Minneapolis-based client, with global headquarters in Osaka, Japan. The company is a global HVAC manufacturer with operations in the United States, Japan, China, Philippines, Australia, India, Southeast Asia, Europe, and South America (but the work itself can either be done remotely or ideally at their Minneapolis-based office). Work likely going to the end of the year. This position is focused on enhancing their state of the art manufacturing capabilities leveraging software and systems technologies, including: Python, Django, SQL, ES6/JavaScript, jQuery, Angular, SQL, and others. Duties include improving a shop floor Assembly Management System by adding new features and extending capabilities to IoT usage across the factory floor, providing data to the Enterprise to drive quality, productivity, and profitability improvements. A key emphasis is using Test-driven development methodologies to ensure superior code quality and maintainability. Minimum experience requirements • 5 years developing applications using Python • 2 years developing web-based applications using the Django application framework • 1 year using Test-driven methodologies Responsibilities Designs, modifies, develops, writes and implements (programs) software applications. Supports and/or installs software applications/operating systems. Participates in the testing process through test review and analysis, … -
Django/Python Developer Contract (Remote or Mpls, MN)
Minneapolis, Minnesota 100% Remote We are seeking a contract Django/Python developer on behalf of our Minneapolis-based client, with global headquarters in Osaka, Japan. The company is a global HVAC manufacturer with operations in the United States, Japan, China, Philippines, Australia, India, Southeast Asia, Europe, and South America (but the work itself can either be done remotely or ideally at their Minneapolis-based office). Work likely going to the end of the year. This position is focused on enhancing their state of the art manufacturing capabilities leveraging software and systems technologies, including: Python, Django, SQL, ES6/JavaScript, jQuery, Angular, SQL, and others. Duties include improving a shop floor Assembly Management System by adding new features and extending capabilities to IoT usage across the factory floor, providing data to the Enterprise to drive quality, productivity, and profitability improvements. A key emphasis is using Test-driven development methodologies to ensure superior code quality and maintainability. Minimum experience requirements • 5 years developing applications using Python • 2 years developing web-based applications using the Django application framework • 1 year using Test-driven methodologies Responsibilities Designs, modifies, develops, writes and implements (programs) software applications. Supports and/or installs software applications/operating systems. Participates in the testing process through test review … -
Developer for Django update from 1.6 to 1.11
London, United Kingdom (required on-site) We are looking for a fast and reliable Django developer with experience upgrading Django projects. We are in the process of updating a Django project from Django 1.6 to 1.11, and Python from 2.7.5 to 2.7.16. The libraries/modules have been partially updated already and the site is partially working. Please contact for more details. After the upgrade is complete, additional work coming up on the project can be discussed as well .Role: Python/Django Developer (Freelance)Location: London - Highbury - On-site preferredRate: based on experienceDuration: 2 days (estimate)Start date: immediatelyTechnical Skill Requirements: Experience working with Django framework and updates is essential for this role, so you should know Django inside out PostgreSQL Experience with front-end technologies; HTML5, JavaScript, CSS and asset management AWS (Elastic Beanstalk, EC2, RDS, VPC, S3, Cloudfront) GitGet in touch, including questions about this project and a link to any code you have available online, or examples of previous work. Fixed price, to be confirmed when we agree the project requirements. Feel free to include anything you think is relevant, but in particular we are looking for examples or details of your experience:Django version updatesPostgres migrations -
Developer for Django update from 1.6 to 1.11
London, United Kingdom On-Site We are looking for a fast and reliable Django developer with experience upgrading Django projects. We are in the process of updating a Django project from Django 1.6 to 1.11, and Python from 2.7.5 to 2.7.16. The libraries/modules have been partially updated already and the site is partially working. Please contact for more details. After the upgrade is complete, additional work coming up on the project can be discussed as well .Role: Python/Django Developer (Freelance)Location: London - Highbury - On-site preferredRate: based on experienceDuration: 2 days (estimate)Start date: immediatelyTechnical Skill Requirements: Experience working with Django framework and updates is essential for this role, so you should know Django inside out PostgreSQL Experience with front-end technologies; HTML5, JavaScript, CSS and asset management AWS (Elastic Beanstalk, EC2, RDS, VPC, S3, Cloudfront) GitGet in touch, including questions about this project and a link to any code you have available online, or examples of previous work. Fixed price, to be confirmed when we agree the project requirements. Feel free to include anything you think is relevant, but in particular we are looking for examples or details of your experience:Django version updatesPostgres migrations -
Django developer for data processing
Django developer for data processing The project Want to join a dynamic team whose goal is to renew links between food producers and consumers? We’d be excited to work with you! We’re a small (but fast-growing) startup aiming at understanding both food producers and consumer to support them with transitioning to agro-ecology! In order to do so, we are developing a data-management backend and would be happy to share our innovations with you! The mission We are currently looking for a Python/Django/Postgres developer to develop an app that detects and merge similar datapoints in our database. The overall design of the app is already made. You’ll be in charge of: • Developing the algorithms of detection and merge of similar datapoints. • Make the app run with our existing postgre database. • Implementing an interface to launch the app you make and follow the running of the app. • Following designed sprints and propose improvement ideas for the app. Required skills • Good French reading understanding (most of our documents are written in French but we can communicate in English) • Python and Django experience • SQL knowledge, better if experience with postgres
