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Senior Python Developer - Expert in Code Migration

Mindrift

Contract|$50/hr - $50/hr|Remote|Remote — Lyon, Auvergne-Rhône-Alpes, France

We invite you to submit your CV in English, including your proficiency level in English.Mindrift expertly connects skilled professionals with project-based AI assignments for top technology companies, focusing on testing, evaluating, and enhancing AI systems. Please note that this is a project-based collaboration and not permanent employment.Position Overvie…

May 2, 2026

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Senior Python Developer - Code Migration Expert

Toloka AI

Contract|$50/hr - $50/hr|Remote|Remote — Lyon, Auvergne-Rhône-Alpes, France

Please submit your CV in English and indicate your English proficiency level. Toloka AI, through Mindrift, connects specialists with project-based AI work for leading technology companies. This Senior Python Developer - Code Migration Expert position is tied to a specific project and is not a permanent role. Role overview This position calls for a Senior Python Developer with strong functional testing experience, advanced Linux and Docker skills, and the ability to interpret code in languages like C, Rust, and Go. Large language models (LLMs) such as Roo Code and Claude Code play a key role in the workflow, helping translate migration requirements and accelerate development cycles. What you will do Develop functional black box tests for sizable codebases in multiple languages. Set up and maintain Docker environments to ensure builds are reproducible and tests run consistently across platforms. Analyze code coverage and define automated scoring criteria that align with industry standards. Use LLMs (including Roo Code and Claude) to automate repetitive tasks, speed up development, and improve code quality. Requirements 5+ years as a Software Engineer focused on Python. Deep knowledge of pytest (fixtures, session-scoped tests, timeouts) and experience building black-box functional tests for CLI tools. Advanced skills with Docker: writing reproducible Dockerfiles, managing user contexts, and maintaining secure environments. Strong Linux and Bash scripting skills, including debugging within containers. Familiarity with modern Python tooling (uv, pyproject.toml, packaging). Ability to read and understand code in C, C++, Rust, or Go, supported by LLMs. Hands-on experience using LLMs (Claude Code, Roo Code, Cursor) for iterative development and test generation. English proficiency at B2 level or higher. Preferred Experience with agent evaluation platforms and MCP CLI. Tools and technologies Python (pytest, uv, Pillow), Docker, Bash, Git Submodules, C/C++/Rust/Go (reading), Dagger, GitHub Codespaces, LLMs (Claude Code, Roo Code, Cursor), coverage.py, gcov, kcov. Benefits and work structure Freelance, project-based engagement via Mindrift (powered by Toloka AI). Fully remote with flexible scheduling: set your own hours and contribution (20-30 hours per week). Compensation varies by project scope and expertise. For this role, AI trainers can earn up to $50 per hour.

Apr 24, 2026

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Senior Python Developer (H/F)

Meritis

Full-time|On-site|Sophia Antipolis

Role Overview Meritis is looking for a Senior Python Developer (H/F) to join the team in Sophia Antipolis. This role focuses on building and maintaining software with Python at its core. Main Responsibilities Design, develop, and maintain efficient, reusable, and reliable Python code Work with cross-functional teams to define, design, and deliver new features Contribute to code quality and performance throughout the development process About the Team Meritis operates in Sophia Antipolis, a well-known technology center. The team values collaboration and aims to deliver solid software solutions.

Apr 15, 2026

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Senior Python Developer - Paris - H/F

iliad-free

Full-time|On-site|Paris

We are seeking a talented and experienced Senior Python Developer to join our dynamic team at iliad-free in Paris. This role offers an exciting opportunity to work on innovative projects and contribute to the development of cutting-edge technology solutions.The ideal candidate will have a strong background in Python programming, experience with web frameworks, and a passion for delivering high-quality software. You will collaborate with cross-functional teams to design, develop, and maintain software applications that meet the needs of our users.

Mar 3, 2026

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Consultant – Low Code Developer

sia

Full-time|On-site|Paris

sia seeks a Consultant – Low Code Developer in Paris. This role centers on designing and implementing low-code applications for clients, aiming to streamline workflows and boost efficiency. Role overview As a Consultant – Low Code Developer, the main focus is to create solutions using low-code platforms. These tools allow for rapid development and deployment, making it easier to address client needs without extensive traditional coding. Location This position is based in Paris.

Apr 28, 2026

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Senior Python Developer / DevOps Engineer (H/F)

Meritis

Full-time|On-site|Paris

Join Meritis as a Senior Python Developer / DevOps Engineer and become a key player in our dynamic team. We are looking for an experienced professional who is passionate about software development and cloud technologies. In this role, you will design, develop, and maintain robust Python applications while leveraging DevOps practices to enhance our deployment processes.

Mar 6, 2026

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Senior Python Systems Developer for Functional Testing

Mindrift

Contract|$50/hr - $50/hr|Remote|Remote — Lyon, Auvergne-Rhône-Alpes, France

Please submit your CV in English and specify your English proficiency level. Mindrift connects skilled professionals with project-based AI work from leading technology companies. Projects focus on testing, evaluating, and improving AI systems. This is a freelance, project-based position, not a permanent role. Role overview Mindrift seeks a Senior Python Systems Developer with a strong background in functional testing. The position requires advanced Linux and Docker knowledge, the ability to interpret code in several languages (with support from LLMs such as Claude Code or Roo Code), and skill in translating requirements for migration tasks. Familiarity with tools that accelerate iterative development is important. What you will do Create functional black box tests for large, multi-language codebases. Design and maintain Docker environments to ensure reproducible builds and test runs across platforms. Track code coverage and set up automated scoring systems that align with industry benchmarks. Use LLM tools (such as Roo Code and Claude Code) to streamline development, automate repetitive tasks, and improve code quality. Requirements Minimum 5 years as a Software Engineer, primarily with Python. Expertise in pytest (including fixtures, session-scoped tests, and timeouts), and experience designing black-box functional tests for CLI tools. Advanced Docker skills: building reproducible Dockerfiles, managing user contexts, and securing workspaces. Strong Linux and Bash scripting skills, including debugging inside containers. Experience with modern Python tools (uv, pyproject.toml, packaging). Ability to read and understand code in other languages (C, C++, Rust, Go) using LLM support. Hands-on experience with LLMs (Claude Code, Roo Code, Cursor) for generating test cases and speeding up development. English proficiency at B2 level or above. Preferred Background with agent evaluation platforms and MCP CLI. Technologies and tools Python (pytest, uv, Pillow), Docker, Bash, Git Submodules, C/C++/Rust/Go (reading), Dagger, GitHub Codespaces, LLMs (Claude Code, Roo Code, Cursor), coverage.py, gcov, kcov. Benefits and project details Freelance, project-based work through the Mindrift platform (powered by Toloka AI). Fully remote and flexible: set your own hours and contribution level (20-30 hours per week). Compensation varies by project and expertise. For this project, AI trainers can earn up to $50 per hour.

Apr 24, 2026

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Senior Python/Django Developer - Free TV - F/H

iliad-free

Full-time|On-site|Paris

Join our dynamic team at iliad-free as a Senior Python/Django Developer. In this pivotal role, you will be responsible for designing, developing, and maintaining high-quality web applications that enhance user experience in the Free TV sector. You will collaborate with cross-functional teams to deliver innovative solutions that address real-world challenges.

Mar 20, 2026

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Kubernetes Expert / Cloud Architect (Migration) H/F

everience

Full-time|On-site|Lyon

Join our innovative team at everience as a Kubernetes Expert / Cloud Architect specializing in migration projects. In this full-time role, you will leverage your expertise in Kubernetes to design, implement, and manage cloud-based solutions. Collaborate with cross-functional teams to ensure seamless migrations and optimize cloud infrastructure for performance and reliability. If you are passionate about cloud technologies and looking for an opportunity to make a significant impact, we want to hear from you!

Jan 7, 2026

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Senior Python Developer for Functional Testing Project

Toloka AI

Contract|$50/hr - $50/hr|Remote|Remote — Lyon, Auvergne-Rhône-Alpes, France

Please submit your CV in English and indicate your level of English proficiency.At Mindrift, we specialize in connecting talented professionals with unique AI projects for leading technology companies, focusing on the assessment and enhancement of AI systems. This is a project-based engagement, not a permanent position.Role OverviewWe are looking for a highly skilled Senior Python Developer with extensive experience in functional testing. You should possess advanced skills in Linux and Docker, be proficient in reading and interpreting code across various programming languages (such as C, Rust, Go) with the aid of LLMs, and be adept at translating project requirements for migration tasks. Familiarity with tools like Roo Code or Claude Code to streamline iterative development is essential.Key ResponsibilitiesDevelop functional black-box tests for extensive codebases in multiple source languages.Establish and oversee Docker environments to guarantee fully reproducible builds and test execution across diverse platforms.Track code coverage and set automated scoring criteria to align with industry benchmark standards.Utilize LLMs (Roo Code, Claude) to expedite development cycles, automate repetitive tasks, and enhance overall code quality.QualificationsMinimum of 5 years of experience as a Software Engineer, primarily in Python.In-depth experience with pytest (including fixtures, session-scoped tests, and timeouts) and designing black-box functional tests for CLI tools.Expertise in Docker (creating reproducible Dockerfiles, managing user contexts, and ensuring secure workspaces).Strong proficiency in Linux and Bash scripting, with the ability to debug within containers.Familiarity with modern Python tooling (uv, pyproject.toml, packaging).Ability to comprehend and work with numerous coding languages using LLMs (such as C, C++, Rust, or Go).Experience leveraging LLMs (Claude Code, Roo Code, Cursor) to accelerate iterative development and test-case generation.English proficiency at B2 level or higher.Preferred QualificationsPrevious experience with agent evaluation platforms and MCP CLI.Tools and Technologies: Python (pytest, uv, Pillow), Docker, Bash, Git Submodules, C/C++/Rust/Go (reading), Dagger, GitHub Codespaces, LLMs (Claude Code, Roo Code, Cursor), coverage.py, gcov, kcov.What We OfferProject-based freelance collaboration through the Mindrift platform (powered by Toloka AI).Flexible remote work—you can choose your hours and workload (20-30 hours per week).Compensation varies based on project scope and required expertise; on this project, AI trainers can earn up to $50 per hour.

May 2, 2026

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Fullstack JavaScript Developer (React & Node.js) - Web Migration Internship in Nantes

Sopra Steria

Full-time|On-site|Bouguenais

Internship Overview Sopra Steria is looking for a Fullstack JavaScript Developer intern with a focus on React and Node.js. This internship is based in Bouguenais, near Nantes, and centers on a web migration project. What You Will Do Work alongside the engineering team to design and build web applications. Help migrate existing applications to modern frameworks, using React and Node.js. Ensure applications deliver strong performance and respond smoothly to front-end requests. Gain practical experience with current web technologies by contributing to real projects. Location Bouguenais (Nantes area)

Apr 16, 2026

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Senior Python Developer | Software Engineering Practice at MARGO

MARGO Group

Full-time|On-site|Paris

About UsAt MARGO, our consultants focus on what truly matters: engaging in complex projects that blend intellectual challenge with real business impact. We support the most prominent players in finance, industry, and technology by designing and developing high-performance software solutions, including distributed architectures, cloud platforms, real-time systems, and large-scale critical applications.Why Join the Software Engineering Practice?You will be part of a team led by Paul Blois, who has been the Practice Manager at MARGO for five years. Working alongside him means benefiting from an in-depth understanding of the company, receiving close mentorship in your career development, and contributing to demanding IT projects with significant impact for our clients.Your ResponsibilitiesYou will join a team of 12 professionals tasked with translating complex financial mechanisms into an elegant and resilient software architecture. At the heart of a leading energy company's market activities, you will design the contract modeling engine that manages the group’s risk exposure.As a Senior Python Developer, your challenges will include:- Architecture & Design: Developing and evolving APIs and microservices capable of modeling rich and varied contractual life cycles.- Engineering Excellence: Ensuring code quality and maintainability (Clean Code, extensive unit and integration testing) in an environment where even a minor miscalculation can have direct financial repercussions.- Domain Modeling: Collaborating with business experts to convert complex management rules (gas purchases, P&L tracking, European regulatory constraints) into high-performing data models.- Performance & Scalability: Optimizing services for the aggregation of massive data volumes necessary for real-time risk management tools.

Feb 5, 2026

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Low-Code Application Developer (H/F)

iWE Delivery

Full-time|On-site|Aix en Provence, Provence-Alpes-Côte d'Azur, France

About the CompanyAre you enthusiastic about technological innovation and eager to play a pivotal role in the development of business applications? iWE Delivery, a specialized division of iWE, focuses on creating efficient business process management applications.iWE is a software publisher that delivers collaborative SaaS applications. Our low-code application platform (LCAP) enables the rapid creation of management applications within weeks, co-developed with clients using a proven agile project methodology.Our clients trust us to develop applications that manage their core activities, establishing long-term, trusted relationships that place us at the heart of their strategic initiatives.Collaboration lies at the core of the iWE platform: an iWE application is not merely a performance-driven management tool but also a collaborative space where every participant in the process accesses a tailored interface, shares data or documents in real-time, and receives guidance for task execution.Initially deployed in the insurance sector, iWE has now expanded its expertise into a broader range of service sectors.Your Responsibilities:As a Low-Code Developer, you will integrate into a project team of 2 to 3 members and be responsible for the agile development of a portion of a client application. Based on detailed specifications established by the consulting team during discovery workshops, you will:Create detailed designs (data model, processes, mailing tags, etc.),Draft technical specifications,Analyze internal and user feedback, implementing effective and sustainable solutions,Manage corrective and evolutionary maintenance of applications to ensure their optimal availability and performance,Work collaboratively with the team to ensure project milestones are met.

Nov 13, 2025

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Python Backend Developer

Octopus Energy

Full-time|On-site|Paris (FR)

Join Octopus Energy, where we challenge the status quo in the energy sector by making it greener, more affordable, and accessible to everyone. Originally launched in the UK, our innovative approach has expanded to France since 2022! We combine cutting-edge technology with a team of dedicated professionals who are passionate about our customers and the transition to renewable energy. In just three years, we have grown to become the fifth-largest energy supplier in France! Our mission? To provide all French citizens with cheaper and greener energy, along with practical solutions to accelerate the ecological transition. Currently, we are developing the next generation of products that empower the shift towards sustainable energy. Whether it's facilitating the transition to solar energy and electric vehicles, launching smart pricing, or scaling renewable energy production, we tackle some of the most complex challenges in the energy field! We do this with speed, creativity, and a singular focus on customer satisfaction. As a member of the Octopus Tech team, you will have genuine autonomy, a diverse range of projects to work on, and the opportunity to create products that make a significant impact on people's lives, helping them reduce their bills, live more sustainably, and enjoy truly engaging experiences. You will collaborate closely with our French teams in marketing, operations, and data, as well as with technical teams from other countries in the group . Above all, you will see the real-world impact of your work on our customers quickly. Within the OE Tech France team, you're not just coding; you're building the technological engine that makes green energy simple and intuitive for everyone in France. You will join a small, agile, and innovative team where seniority and collaboration are paramount:- A strong core: You will work daily with 1 Product Manager, 4 Frontend Developers, and 3 Backend Developers. The Backend team is currently composed mainly of senior profiles, allowing you to thrive in a demanding and stimulating technical environment.- Synergy with Data : You will work closely with data experts to leverage insights that drive our innovations.

Apr 22, 2025

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Senior Siteminder to Ping Migration Specialist

Altersolutions

Full-time|On-site|Paris

Join our dynamic team at Altersolutions as a Senior Siteminder to Ping Migration Specialist. In this pivotal role, you'll leverage your expertise in identity and access management to facilitate the migration process from Siteminder to Ping. You'll collaborate with cross-functional teams to ensure a seamless transition, enhancing security protocols and optimizing user experience.

Jun 2, 2023

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Fullstack .NET / Angular Developer – Vibe Coding Specialist (H/F)

Scalian

Full-time|On-site|Neuilly-sur-Seine

Scalian is looking for a Fullstack .NET / Angular Developer to join the team in Neuilly-sur-Seine. The role focuses on designing and building web applications, with an emphasis on creating a seamless user experience and applying Vibe Coding practices. What you will do Develop and maintain web applications using .NET and Angular Collaborate with colleagues from various backgrounds to achieve project objectives Apply Vibe Coding methods to enhance application quality and reliability Share ideas and solutions to support client projects Requirements Proven experience with both .NET and Angular frameworks Comfort working in cross-functional teams Strong problem-solving ability and focus on user experience Location This position is based in Neuilly-sur-Seine.

Apr 27, 2026

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Experienced Python Developer

SFEIR

Full-time|On-site|Lille

Are you a vibe coder with a passion for development, and do you believe AI will redefine your profession?Welcome to SFEIR. What We Are Looking ForYou are unafraid to:- Design large-scale distributed systems using Python,- Lead the overhaul of complex Cloud infrastructures,- Build robust and efficient data pipelines,- Mentor junior developers and share your expertise,- Migrate technologies (Flask → FastAPI, protobuf → Pydantic) without disrupting production,- Propose architectural improvements through Proof of Concepts,You aim to be the technical reference that drives projects forward, not just a task executor. Projects You Could Enjoy- Develop scheduling products around BigQuery and Dataflow,- Create complex REST APIs using FastAPI in distributed architectures,- Automate content translation with Google Cloud Generative AI,- Build Jupyter Notebooks for data ingestion and processing,- Establish documentation bases and ensure team onboarding,- Validate ML results with the Natural Language API and generate reports.In short, Python on impactful projects that matter to the business. Why Join Us?Ready to elevate your expertise? At SFEIR, you don’t have to choose between technical excellence and a collaborative environment; both coexist here.You will join a community of experts where your skills define your trajectory, not your position. This is what we call a “Skill-Based Organization.”

Sep 12, 2024

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Digital Transformation Apprentice - Low-Code/No-Code Automation

Bosch Group

Full-time|On-site|Drancy

Join Bosch Group as a Digital Transformation Apprentice focused on Low-Code/No-Code Automation. This is an excellent opportunity to embark on a career in digital transformation, where you will learn to streamline processes and implement innovative solutions using low-code and no-code platforms.

Mar 30, 2026

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Senior Python/Terraform Developer - AI LLM (F/H)

Talan

Full-time|On-site|Nantes

Join Talan, a leader in innovation and technology, as a Senior Python/Terraform Developer specializing in AI LLM. In this role, you will leverage your expertise in Python and Terraform to develop advanced AI solutions that drive our projects forward. You will work closely with cross-functional teams to design, implement, and optimize AI applications, ensuring they meet the highest standards of performance and scalability.

Apr 10, 2026

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Freelance AI Trainer Specializing in Chemistry & Python

Mindrift

Part-time|$45/hr - $45/hr|Remote|Remote — Lyon, Auvergne-Rhône-Alpes, France

Please submit your CV in English and specify your English proficiency level. Mindrift offers project-based remote opportunities for professionals in Lyon, Auvergne-Rhône-Alpes, France, and beyond. These freelance roles focus on testing, evaluating, and improving AI systems for leading tech companies. Participation is on a per-project basis and does not constitute permanent employment. Role overview Freelance AI Trainers specializing in Chemistry and Python contribute to a range of unique projects. Tasks vary by project and may include: Developing original computational chemistry problems that reflect real-world research workflows. Designing problems that require Python programming to solve, using libraries such as NumPy, SciPy, and chemistry-specific packages. Ensuring problems are computationally intensive and not solvable by hand within a reasonable timeframe. Creating tasks that involve complex reasoning in areas like physical chemistry, quantum chemistry, and molecular modeling. Basing problem statements on real research questions or practical chemistry scenarios. Validating solutions with Python, following standard computational chemistry techniques. Documenting problem statements clearly and providing verified, correct solutions. Requirements Degree in Chemistry or a related field. Proficiency in Python for numerical validation; experience with MATLAB, R, C, SQL, NumPy, Pandas, SciPy, or similar programming languages is also accepted. Minimum of 2 years of professional experience in application, research, or teaching. Familiarity with numerical methods in chemistry. Understanding of computational chemistry concepts and methodologies. Excellent written English skills at C1 level or above. How projects work The process is straightforward: apply, pass qualifications, join a project, complete assigned tasks, and receive compensation. Time expectations During active project phases, contributors typically commit 10–20 hours per week. Actual workload depends on project needs and is not guaranteed outside active periods. Compensation Earnings can reach up to $45 per hour, depending on expertise and pace. Compensation varies by project scope, complexity, and required skills.

Apr 29, 2026

Java Angular Developer at everience | Courbevoie

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