Senior Python Developer for Functional Testing Project

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 highl…

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.

Join Scalian as a Python Developer where you'll have the opportunity to work on innovative software solutions that drive business success. Collaborate with a talented team in a dynamic environment, focusing on developing robust and efficient applications that meet our clients' needs.

Toloka AI is looking for a Computer Science Specialist with advanced Python skills to join AI projects on the Mindrift platform. This role is remote and based in Lyon, Auvergne-Rhône-Alpes, France. Key responsibilities Design and maintain complex algorithms that drive artificial intelligence projects Collaborate with a team focused on creative approaches to technical challenges Use Python expertise to move project objectives forward and support technical standards Requirements Solid foundation in computer science and strong Python programming skills Interest in artificial intelligence and developing algorithms Willingness to share ideas and maintain high standards for technical quality

We invite you to submit your CV in English, along with your English proficiency level.At Mindrift, we connect talented specialists with dynamic project-based AI opportunities from prominent tech companies, focusing on the testing, evaluation, and enhancement of AI systems. Please note that participation is project-based rather than permanent employment.Opportunity OverviewEach project presents unique challenges, and contributors may be involved in:Crafting rigorous Computer Science problems that reflect real-world practices;Assessing AI solutions for accuracy, underlying assumptions, and constraints;Validating calculations or simulations utilizing Python (NumPy, Pandas, SciPy);Refining AI reasoning to align with industry-standard logic;Implementing structured scoring criteria for multi-step problems;Collaborating with a global network of PhD professionals to uphold scientific integrity.Ideal Candidate ProfileThis role is suitable for Computer Science experts with Python experience interested in part-time, non-permanent projects. The ideal candidates will possess:A degree in Computer Science or a closely related field;Proficiency in Python for numerical validation; experience with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, domain-specific libraries, or other programming languages is acceptable;A minimum of 2 years of professional experience, which can include applied, research, or teaching roles;Strong written English skills (C1+ level);Professional certifications (e.g., CMME, SAS Certifications, CAP) and experience in international or practical projects are advantageous.Project Participation ProcessThe process involves applying, passing qualifications, joining a project, completing tasks, and receiving payment.Project Commitment ExpectationsFor this project, tasks are estimated to require approximately 10–20 hours per week during active phases, depending on specific project needs. This is an estimate and does not guarantee a fixed workload.Compensation DetailsContributors can earn up to $50 per hour, based on their experience and contribution pace. Compensation may vary across projects depending on their scope, complexity, and required expertise. Please be aware that other projects may offer different compensation levels based on their requirements.

We are seeking a Senior Project Manager (F/H) to join our Apps Engineering practice: Smart Build, specializing in the delivery of innovative and tailored projects.Your Project Environment:Technologies: Java / Angular / DevOpsJoin a vibrant Custom Dev community of 85 professionalsBecome an integral member of our agile community, contributing your experience and insights.Your Responsibilities:Engage in innovative projects across diverse sectors such as banking, insurance, retail, energy, industry, and transport.Depending on client context, you will take on roles as a Scrum Master or Product Owner within agile projects, tasked with:Being the servant leader for the teamManaging client relationshipsFacilitating and organizing team interventionsParticipating in functional and technical designCoordinating and participating in project testingMonitoring project KPIs

Assystem is seeking a passionate and skilled Développeur Python to join our dynamic team in Lyon. In this role, you will be responsible for developing innovative software solutions that meet the needs of our diverse clientele. You'll work collaboratively in an agile environment, contributing to all stages of the software development lifecycle.

Join our dynamic team at SQLI as a Functional Consultant specializing in GMAO (Gestion de Maintenance Assistée par Ordinateur). In this role, you will leverage your expertise to help clients optimize their maintenance management systems, ensuring operational excellence and efficiency.As a key contributor, you will analyze client needs, design solutions, and implement strategies that enhance our clients' productivity. You will work collaboratively with cross-functional teams, providing insights and technical guidance to drive project success.

Please submit your CV in English and include your English proficiency level. Role overview This freelance position with toloka-ai (via Mindrift) connects material scientists to project-based AI work for leading technology companies. The main focus is evaluating and improving AI systems. Assignments are temporary and do not constitute permanent employment. What you will do Design materials engineering problems that mirror real-world workflows Create challenges requiring Python programming for engineering calculations and simulations Develop computationally intensive problems using numerical methods or iterative approaches Build tasks involving system design, optimization, and analysis Base challenges on research questions or practical engineering scenarios Validate solutions using Python and standard engineering libraries Document problem statements clearly and provide verified answers Requirements Degree in Material Science or a closely related field Proficiency in Python for numerical validation; experience with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or similar tools is a plus At least 2 years of professional experience (applied, research, or teaching) Solid understanding of practical engineering constraints and approximations Excellent written English (C1 level or higher) How projects work Apply Pass qualifications Join a project Complete assigned tasks Receive payment Time commitment Active project phases usually require 10–20 hours per week. Actual hours depend on current project needs and are not guaranteed outside of active assignments. Compensation Earn up to $45 per hour, depending on experience and the rate of task completion. Pay may vary by project scope, complexity, and required expertise. Other projects may offer different rates based on their specific requirements.

We kindly request that you submit your CV in English and specify your level of English proficiency.At Mindrift, we connect talented specialists with exciting project-based opportunities in AI for top-tier tech companies, focusing on testing, evaluating, and enhancing AI systems. Please note that participation is on a project basis and does not constitute permanent employment.Opportunity OverviewEach project presents distinct challenges; however, contributors may be involved in the following tasks:Designing original computational physics problems that simulate authentic physics research workflows;Creating problems that necessitate Python programming for resolution (utilizing Numpy, SciPy, Sympy);Ensuring the problems are computationally demanding and cannot be manually solved within a reasonable timeframe (days to weeks);Developing problems that require intricate reasoning in mechanics, electromagnetism, thermodynamics, and quantum mechanics;Grounding problems in real research challenges or practical applications from the field of physics;Validating solutions using Python with established physics simulation libraries;Thoroughly documenting problem statements and providing accurately verified solutions.Ideal Candidate ProfileThis opportunity suits physicists with Python experience who are open to part-time, non-permanent projects. The ideal candidates will possess:A degree in Physics (Theoretical, Experimental, or Computational) or a related discipline;Proficiency in Python for numerical validation; knowledge of MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or other domain-specific libraries is also acceptable;A minimum of 2 years of professional experience, which may include applied, research, or teaching experience;Familiarity with numerical simulation methods;The ability to design problems that reflect real physics research workflows;Creative problem design skills across various physics domains;Understanding of physics modeling and approximation techniques;Strong command of written English (C1+ level).How the Process WorksApply → Pass qualifications → Join a project → Complete assigned tasks → Receive payment.Project CommitmentDuring active phases, tasks are estimated to require approximately 10–20 hours per week, depending on project needs. This is an estimate and does not guarantee a specific workload during the project's lifecycle.CompensationContributors can earn up to $45 per hour, contingent on their expertise and contribution pace. Compensation may vary across projects based on scope, complexity, and required skills. Please note that other projects on our platform may offer different earning potential based on their specific requirements.

We invite you to submit your CV in English, along with your English language proficiency level.Mindrift connects experts with project-based AI opportunities in collaboration with leading technology firms, focusing on the testing, evaluation, and enhancement of AI systems. This is a project-based role, not a permanent position.Opportunity Overview:Each project presents unique challenges, and contributors may be tasked to:Craft innovative computational data science problems that mirror real-world analytical processes across various sectors, including telecom, finance, government, e-commerce, and healthcare.Develop problems that necessitate Python programming for resolution, utilizing libraries such as Pandas, Numpy, Scipy, Sklearn, Statsmodels, Matplotlib, and Seaborn.Ensure tasks are computationally demanding, requiring significant time frames for resolution (days to weeks).Create problems that involve complex reasoning in data processing, statistical analysis, feature engineering, predictive modeling, and insight extraction.Design deterministic problems with verifiable outcomes, avoiding stochastic elements or employing fixed random seeds for precise reproducibility.Base scenarios on tangible business challenges, such as customer analytics, risk assessment, fraud detection, forecasting, optimization, and operational efficiency.Construct end-to-end problems that traverse the entire data science pipeline, from data ingestion and cleaning to exploratory data analysis, modeling, validation, and deployment considerations.Incorporate big data processing challenges that require scalable computational solutions.Validate solutions using Python with standard data science libraries and statistical methodologies.Clearly document problem statements with realistic business contexts and provide verified correct solutions.

Nexton is hiring a Senior Project Manager for its Lyon office. This role guides important projects from the early planning stages through to completion. The focus is on delivering results on schedule, maintaining a clear project scope, and ensuring quality standards are met. The Senior Project Manager sets the direction for each project and provides support to teams throughout the process. What you will do Work with stakeholders to define the project scope, objectives, and expected deliverables. Develop detailed project plans, including resource planning and allocation. Identify potential risks and resolve issues to keep projects moving forward. Monitor project progress and performance using appropriate tools and techniques. Lead and mentor project teams, helping team members grow their skills and stay productive. Location This position is based in Lyon.

Job Opportunity: Functional Parameterization Specialist in Insurance (H/F)Location: LyonRemote Work: 2 to 3 days per weekContract Type: Permanent (CDI)Salary: Starting from €30,000Start Date: June 2026Required Experience: Minimum 3 yearsWe are seeking a Functional Parameterization Specialist (H/F) to work with our internal software dedicated to insurance product management.Your primary responsibilities will include:Configuring health and welfare insurance products within the softwareSetting up calculation formulas and associated management rulesAnalyzing and translating business needs into parameterization solutionsParticipating in the definition and evolution of product functionalitiesEnsuring corrective maintenance and ticket managementIdentifying and resolving anomalies (bugs)Working on data quality and consistency

About the Role Nexton is looking for a Functional Tester (H/F) to join the team in Lyon. This position focuses on maintaining and improving the quality of our software products through structured testing processes. Main Responsibilities Carry out functional tests on software to verify performance and usability. Identify, document, and report issues or inconsistencies found during testing. Work closely with development teams to ensure solutions meet quality standards. Location This role is based in Lyon.

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.

Inetum, a leader in digital transformation and a trusted partner of Sage, provides unparalleled expertise in the implementation and development of ERP solutions, particularly Sage X3.As part of our growth strategy and to meet the increasing demand from our clients, we are seeking an experienced Sage X3 Financial Functional Consultant to strengthen our teams!As a Functional Consultant, you will provide essential advisory services to develop optimal solutions aligned with the ERP, from the pre-sales phase through to production deployment.Your responsibilities will include:Analyzing client needs and crafting tailored solutions using Sage X3.Configuring and customizing the ERP based on the unique specifications of each project.Conducting unit and functional testing to ensure solution quality.Training users and supporting them during the ERP rollout.Monitoring project progress and ensuring client satisfaction.

Talan is seeking a Senior Technical Project Manager with expertise in data projects for a permanent position in Lyon. This role involves leading data-focused initiatives from initial concept through to final delivery, always aligning with business objectives. Key Responsibilities Manage data-driven projects, overseeing schedules and deliverables to ensure outcomes match expectations. Collaborate with cross-functional teams to translate technical needs into clear, actionable project plans. Support teams in leveraging data to generate insights and inform decision-making. Encourage and implement practices that boost operational efficiency through effective data use. Location This position is based in Lyon. Work arrangements are on-site or as specified by Talan.

We invite you to submit your CV in English, detailing your level of English proficiency.Mindrift is a dynamic platform that connects talented specialists with project-based AI opportunities in leading tech firms. Our focus is on the testing, evaluation, and enhancement of AI systems. Please note that participation is project-based and does not entail permanent employment.Project InvolvementEach project presents unique challenges, and contributors may be engaged in tasks such as:Creating original computational physics problems that reflect authentic physics research workflows;Designing problems that necessitate Python programming to solve, utilizing libraries like Numpy, SciPy, and Sympy;Ensuring that problems are computationally intensive and cannot be resolved manually in a reasonable timeframe;Developing complex problems involving reasoning in mechanics, electromagnetism, thermodynamics, and quantum mechanics;Formulating problems based on genuine research challenges or practical applications derived from physics practice;Validating solutions using Python with standard physics simulation libraries;Providing clear documentation for problem statements along with verified correct answers.Ideal Candidate ProfileThis position suits optical engineers proficient in Python who are open to part-time, non-permanent projects. The ideal candidates will possess:A degree in Physics (Theoretical, Experimental, or Computational) or a related discipline;Proficiency in Python for numerical validation. Experience with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or any equivalent programming languages is acceptable;A minimum of 2 years of professional experience in applied, research, or teaching roles;Experience with numerical simulation techniques;The ability to create problems that reflect real-world physics research workflows;Creative and analytical thinking in problem design across various physics domains;Familiarity with physics modeling and approximation strategies;Exceptional written English skills (C1+ level).Application ProcessSubmit your application → Pass required qualifications → Join a project → Complete assigned tasks → Receive compensation.Project CommitmentDuring active project phases, tasks are expected to require approximately 10–20 hours per week, contingent upon project needs. This estimation is not a guaranteed workload.Compensation DetailsContributors can earn up to $45 per hour, depending on their experience and contribution level. Please note that compensation may vary across different projects based on their specific requirements and complexity.

Join Devoteam as a Senior Java Developer in Lyon, where you will be at the forefront of innovative software solutions. In this dynamic role, you will leverage your extensive experience in Java development to design, implement, and maintain robust applications that meet the needs of our clients.

Join Mindrift as a talented Integration Developer (API Specialist) and contribute to the innovative Tendem project (https://tendem.ai/). In this unique role, referred to as an AI Pilot at Mindrift, you will work alongside Tendem Agents to streamline repetitive tasks, utilizing your expertise in system integration, structured thinking, and quality assurance to guarantee efficient and scalable data connectivity across various platforms.This part-time remote position is perfect for professionals with practical experience in APIs, webhooks, and the creation of multi-system data pipelines.About MindriftThe Mindrift platform is dedicated to connecting experts with groundbreaking AI projects from leading technology innovators. Our mission is to harness the power of Generative AI by leveraging real-world knowledge from specialists worldwide.Role OverviewAs a Freelance Integration Developer (API Specialist), you will design, implement, and optimize integrations between business systems, ensuring seamless data flow and synchronization across multiple platforms.Key ResponsibilitiesDesign and assess integrations among core business systems (CRMs, advertising platforms, email tools)Create and enhance workflows using APIs, webhooks, and both real-time and batch data pipelinesEstablish and synchronize databases across platforms (Airtable, Google Sheets, Notion, etc.)Guarantee reliable, real-time data transfer and consistency across servicesTroubleshoot and enhance data flow performance, addressing latency and failure issuesAssist in the integration of automated communication systems (e.g., messaging, outreach, or calling workflows)CompensationContributors to this project can earn up to $60 per hour, contingent on their expertise and contribution pace.Compensation may vary across projects based on their scope, complexity, and the skills required. Please note that other projects on the platform might offer different earning levels depending on their specific needs.