Senior Python Developer - Code Migration Expert

Please submit your CV in English and include your English proficiency level. Toloka AI, working through the Mindrift platform, brings together skilled professionals for project-based roles supporting technology companies. Mindrift’s projects focus on testing, evaluating, and improving AI systems, giving contributors a chance to work on practical AI challenge…

Please submit your CV in English and specify your English proficiency level. This freelance, project-based role connects experienced Python developers with AI-focused projects at toloka-ai, delivered through the Mindrift platform. Assignments involve evaluating, testing, and improving AI systems for leading tech companies. This is not a permanent position, but offers flexible, remote work from Wisconsin or elsewhere in the United States. Role overview The Senior Python Developer - Code Migration Expert will focus on migrating codebases, designing functional tests, and collaborating across multiple programming languages. The work involves reading and understanding code in C, Rust, and Go (with LLM support), translating requirements, and streamlining development cycles using tools like Roo Code and Claude Code. Deep experience with Linux and Docker is essential. What you will do Design and implement black box functional tests for large, multi-language codebases. Set up and manage Docker environments to ensure reproducible builds and consistent test execution. Monitor code coverage and establish automated scoring criteria to align with industry standards. Use LLMs (such as Roo Code and Claude) to automate repetitive development tasks and enhance code quality. Requirements 5+ years as a Software Engineer with a strong focus on Python. Expertise in pytest, including fixtures, session-scoped tests, and timeouts, plus experience designing black-box functional tests for CLI tools. Advanced skills with Docker: writing reproducible Dockerfiles, managing user contexts, and securing workspaces. Strong Linux and Bash scripting abilities, including debugging inside containers. Experience with modern Python tools (uv, pyproject.toml, packaging). Ability to read and understand code in C, C++, Rust, and Go, with LLM assistance. Hands-on experience using LLMs (Claude Code, Roo Code, Cursor) to accelerate development and generate test cases. English proficiency at B2 level or higher. Preferred qualifications Experience with agent evaluation platforms and MCP CLI. Key tools & technologies Python (pytest, uv, Pillow), Docker, Bash, Git Submodules, C/C++/Rust/Go (for reading), Dagger, GitHub Codespaces, LLMs (Claude Code, Roo Code, Cursor), coverage.py, gcov, kcov. Benefits & collaboration details Freelance, project-based assignments through Mindrift (powered by Toloka AI). Fully remote with a flexible schedule. Typical commitment is 20-30 hours per week. Compensation varies by project and expertise. AI trainers can earn up to $80 per hour.

Please submit your CV in English and specify your English proficiency level. This freelance, project-based role is offered through Mindrift (powered by Toloka AI) and does not constitute permanent employment. The position is fully remote, based in Iowa, United States, and focuses on supporting AI system development for leading technology companies. Project Overview As a Senior Python Developer - Code Migration Specialist, the work centers on testing, evaluating, and improving AI systems. The role involves functional testing, code migration, and using modern development tools to streamline processes. Assignments are tailored for experienced engineers who can manage complex codebases and ensure reliable, reproducible results. Key Responsibilities Develop functional black box tests for large codebases in multiple programming languages. Build and manage Docker environments to maintain reproducible builds and consistent test execution across platforms. Monitor code coverage and implement automated scoring systems that align with industry standards. Utilize LLMs (such as Roo Code and Claude) to automate repetitive tasks, enhance code quality, and speed up development cycles. Requirements Minimum 5 years as a Software Engineer with a strong focus on Python. Expertise with pytest, including fixtures, session-scoped tests, and timeouts, as well as designing black-box functional tests for CLI tools. Advanced proficiency with Docker, including writing reproducible Dockerfiles, managing user contexts, and securing workspaces. Strong Linux and Bash scripting skills, with experience debugging in containerized environments. Familiarity with modern Python tooling such as uv, pyproject.toml, and packaging. Ability to read and interpret code in C, C++, Rust, and Go, with assistance from LLMs. Hands-on experience using LLMs (Claude Code, Roo Code, Cursor) for iterative development and test generation. English fluency at B2 level or above. Preferred Qualifications Experience with agent evaluation platforms and MCP CLI. Tools and Technologies Key technologies include Python (pytest, uv, Pillow), Docker, Bash, Git Submodules, Dagger, GitHub Codespaces, and LLMs such as Claude Code, Roo Code, and Cursor. Familiarity with coverage tools (coverage.py, gcov, kcov) and the ability to read C/C++/Rust/Go code are also important. Compensation and Engagement Freelance, project-based engagement through Mindrift (Toloka AI). Fully remote with flexible hours; workload can be adjusted between 20 and 30 hours per week. Compensation depends on project scope and expertise. For this project, AI trainers can earn up to $80 per hour.

Please submit your CV in English and specify your English proficiency level. Mindrift matches skilled professionals with project-based AI work from top technology companies. Contributors support the testing, evaluation, and improvement of AI systems. This is a freelance, project-based position and does not constitute permanent employment. Role overview The Senior Python Developer - Code Migration Expert will focus on migrating code and designing functional tests for large codebases. The work takes place in Linux and Docker environments, with tasks involving reading code in C, Rust, and Go (with LLM support), and translating migration requirements into actionable steps. Familiarity with tools like Roo Code and Claude Code is considered an advantage. What you will do Design and implement functional black box tests for codebases in multiple programming languages. Set up and maintain Docker environments to ensure reproducible builds and cross-platform test runs. Monitor code coverage and develop automated scoring systems to meet industry standards. Leverage large language models (such as Roo Code and Claude) to accelerate development, automate repetitive tasks, and enhance code quality. Requirements Minimum 5 years of experience as a Software Engineer, with a strong focus on Python. Advanced skills with pytest, including fixtures, session-scoped tests, and managing timeouts, as well as black-box testing for CLI tools. Expertise in Docker: reproducible Dockerfiles, user contexts, and secure workspace configuration. Solid Linux and Bash scripting abilities, including debugging within containers. Familiarity with modern Python tooling such as uv, pyproject.toml, and packaging workflows. Ability to read and interpret C, C++, Rust, and Go code with assistance from LLMs. Hands-on experience using LLMs (Claude Code, Roo Code, Cursor) for iterative development and generating test scenarios. English proficiency at B2 level or higher. Preferred qualifications Background working with agent evaluation platforms and MCP CLI. Key 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 engagement Freelance, project-based work through Mindrift (powered by Toloka AI). Fully remote with flexible scheduling: set your own hours and workload (20-30 hours per week). Compensation is project-based and reflects the required expertise. For this project, AI trainers may earn up to $80 per hour.

The SAS to Python/R Migration Developer plays a crucial role in the hands-on transformation, testing, and validation of SAS analytical code into Python and/or R, working closely under the mentorship of a migration architect. This position emphasizes execution quality, code accuracy, and reproducibility.Ideal for someone who thrives on building and delivering results, this role demands a talent for translating logical processes and ensuring flawless functionality. Key ResponsibilitiesConvert SAS programs into Python and/or R code adhering to established standardsTranslate various elements including:SAS DATA stepsPROC SQLStatistical PROCsSAS Macros into Python/R functions or modulesImplement data ingestion, transformation, and analytical workflowsConduct side-by-side validation of SAS vs Python/R outputsDebug discrepancies in calculations or statistical resultsDevelop clean, maintainable, and well-documented Python/R codeCreate unit tests and validation scriptsOptimize performance for handling large datasetsCollaborate with architects and data stakeholdersEngage in code reviews and knowledge transfer sessions Requirements4+ years of experience in analytics or data engineeringProficient in SAS programmingStrong expertise in Python and/or RExperience translating business logic between programming languagesKnowledge of:Pandas / NumPy / SciPy or tidyverse / data.tableSQL and relational database conceptsExperience in validating statistical and analytical outputs Nice to HavePrevious involvement in SAS migration projectsFamiliarity with Git, CI/CD, and automated testing frameworksExposure to cloud-based analytics platformsUnderstanding of performance tuning in Python or RBenefits401(k)401(k) matchingDental insuranceFlexible spending accountHealth insuranceLife insurancePaid time offProfessional development supportEmployee referral programTuition reimbursementVision insurance

Join our innovative team at Code Metal as a Senior Software Engineer specializing in Rust and Python. We are at the forefront of creating cutting-edge AI-powered transpilation and code generation tools that seamlessly connect algorithm development with embedded deployment. By utilizing the latest advancements in Generative AI, Static Analysis, and Formal Verification, you will play a crucial role in shaping the future of software engineering.This role transcends traditional backend responsibilities; we are searching for engineers with a holistic approach to system design and development. You will engage with user needs and UX, delivering resilient and scalable solutions across the entire technology stack.

Join dstaff as a Senior Coding Specialist, where you'll leverage your expertise in coding to contribute to innovative projects. We are looking for a talented individual who is passionate about technology and coding standards, and who thrives in a collaborative environment. Your role will include reviewing code, mentoring junior developers, and ensuring best practices are followed.

OverviewJoin our dynamic team at code-metal as a Senior Field-Applications Engineer, where you will be at the forefront of deploying cutting-edge AI-driven code translation tools. This exciting opportunity allows you to work remotely from anywhere in the United States while helping our clients leverage modern verification techniques.In this pivotal role, you will be responsible for integrating innovative code generation pipelines that utilize a blend of Generative AI and Static Analysis within secure customer environments. Occasional travel to customer sites may be required for on-premises deployment and troubleshooting.ResponsibilitiesFacilitate the deployment and management of containerized services using Docker.Implement and operate Python-based Generative AI pipelines that interact with locally deployed Large Language Models.Deploy Large Language Models and inference endpoints in secure networks.Empower customers to seamlessly utilize the translation pipeline for their code-generation workflows, including translating C++ to Rust.Diagnose local issues, generating summaries for the engineering team to assist with remote debugging.

OverviewJoin our innovative team at code-metal, where we are dedicated to revolutionizing the software development landscape. We are seeking a highly skilled Principal Python Engineer to spearhead the development of cutting-edge code translation tools, leveraging the power of AI and advanced verification techniques. Your efforts will bridge the gap between algorithm creation and deployment to embedded systems.In this pivotal role, you will take the lead in designing and implementing a unified platform for advanced code translation pipelines. These pipelines will utilize a combination of Generative AI, Static Analysis, and Formal Verification methods to seamlessly convert code from one language to another. Additionally, you will be responsible for architecting, building, and deploying scalable multi-language code analysis and retrieval tools.

Are you a skilled Python programmer passionate about influencing the future of AI? As large-scale language models transition from simple chatbots to significant tools for scientific exploration, we need your expertise to help create high-quality training data that can revolutionize education, advance research, and enhance software development across various industries.We are searching for Python coding specialists who excel in algorithms, data structures, software architecture, both frontend and backend development, cloud infrastructure, and systems programming. If you can fluently tackle these challenges using Python, we want to hear from you! Your responsibilities will include engaging with advanced language models on topics such as asynchronous programming, RESTful API integration, memory management, object-oriented design, secure coding practices, and debugging distributed systems. You will document failures and suggest improvements to strengthen model reasoning.On a typical day, you will interact with the model on software engineering tasks and technical scenarios using Python. You will evaluate logical accuracy, coding fluency, code quality, and clarity; capture reproducible error traces; and propose enhancements to our prompt engineering and evaluation metrics.A Bachelor's, Master's, or PhD in Computer Science, Software Engineering, or a related technical field is preferred. Practical experience with Python, technical writing skills, or contributions to open-source projects will be considered favorable. Effective communication, including the ability to demonstrate your reasoning and thought processes, is essential.Are you ready to leverage your Python expertise to build the knowledge base for tomorrow's AI? Apply today and start teaching the model that will teach the world.

Join Code-Metal as a Senior Recruiter and play a pivotal role in shaping our workforce. In this dynamic position, you will leverage your expertise to attract and engage top talent in a competitive market. You will be responsible for managing the full recruitment lifecycle, from crafting compelling job descriptions to conducting interviews and negotiating offers.

Join Code Metal, where we are at the forefront of developing innovative AI-powered transpilation tools that seamlessly connect algorithm development with deployment for embedded systems. As a Senior Software Engineer specializing in Agentic AI, you will be instrumental in designing and executing sophisticated code generation pipelines that incorporate Generative AI, Static Analysis, and Formal Verification methodologies. This role provides a unique opportunity to influence the evolution of automated, AI-driven software translation for critical applications.Architect and implement intricate workflows utilizing state machines, message queues, and distributed processing.Leverage Docker and related technologies to maintain dependable and reproducible environments.Develop robust, modular codebases for code translation products that are thoroughly tested.Collaborate with domain experts to integrate verification techniques into AI-enabled code generation processes.Guarantee high availability and scalability of AI services through cloud platforms and distributed system architectures.

The SAS to Python/R Migration Architect plays a pivotal role in orchestrating the complete strategy, design, and governance of extensive analytical and statistical code migrations from SAS to contemporary open-source environments (Python and R). This position emphasizes assessment, architecture, standards, risk management, and validation, collaborating closely with stakeholders and development teams to uphold accuracy, performance, and regulatory compliance.As a hands-on technical leader, you will be actively involved in the migration process rather than merely overseeing documentation.Key ResponsibilitiesSteer enterprise-scale migrations from SAS (including Base SAS, PROC SQL, STAT, ETS, MACRO, etc.) to Python and/or RConduct thorough assessments of existing SAS estates, which encompass:Code inventory and dependency mappingAnalysis of macro complexityEvaluation of data access patterns (SAS datasets, databases, flat files)Assessment of statistical method equivalenciesOutline the target-state architecture for Python/R analytics platforms (libraries, frameworks, environments)Formulate migration patterns and standards, incorporating:Mappings from SAS PROC to Python/R librariesStrategies for macro-to-function translationReusable templates and shared componentsDevelop validation and reconciliation frameworks to guarantee:Statistical equivalencyNumeric tolerancesCompliance with regulatory and audit standardsChampion performance optimization strategies for large datasetsIdentify automation opportunities (including code scanners, translators, test harnesses)Conduct technical reviews and endorse migrated codeMentor developers and oversee complex conversionsCommunicate migration risks, tradeoffs, and timelines to leadership

Role Overview Callibrity is looking for a Senior Python Developer to help build and maintain applications that support client operations. This role involves both independent work and collaboration with other developers and teams across the company. What You Will Do Design and develop Python-based applications and systems Work with other developers to solve technical challenges Collaborate with cross-functional teams to deliver solutions that meet client needs Work Location This is a hybrid position based in Cincinnati. Team members split time between remote work and the Cincinnati office.

Join our innovative team at Oscar as a Senior Specialist in Coding Auditing within our Special Investigation Unit (SIU). At Oscar, we pride ourselves on being the first health insurance provider designed around a comprehensive technology platform, dedicated to enhancing the member experience.Founded in 2012, our mission is to create a health insurance experience that feels personal and supportive, as if you have a doctor in the family.About the PositionAs a Senior Specialist, you will play a crucial role in identifying and analyzing trends related to fraud, waste, and abuse (FWA) within the healthcare industry. Your expertise in medical coding will be vital in preventing and recovering incorrectly paid claims. The SIU leads initiatives across Oscar to mitigate the effects of FWA on our operations.You will report directly to the Manager of SIU Coding Audits.Work Environment:Oscar fosters a blended work culture where team members, regardless of their work type or location, feel connected to our mission and each other. If you live within commuting distance to our New York City office (Hudson Square), Tempe office (near University Dr), or Los Angeles office (Marina Del Rey), you will be required to work in the office at least two days a week. Otherwise, this role offers remote work flexibility.To be considered, you must reside in one of the following states: Arizona, Florida, Georgia, or Texas. Please note that this list may change. #LI-RemoteCompensation Transparency:The annual base salary for this position ranges from $58,870 to $77,267.In addition to competitive pay, you will have access to employee benefits, participate in Oscar's unlimited vacation program, and be eligible for annual performance bonuses.

Join our dynamic team at dstaff as a Hospital Coding Specialist. In this key role, you will play a crucial part in ensuring the accuracy and completeness of clinical documentation through coding. You will collaborate with healthcare professionals to ensure compliance with coding regulations and best practices. Your expertise will contribute to the efficient operation of our healthcare services.

Location: Remote, McLean, Virginia, United States Clearance: Public Trust Eligibility Required This contingent position depends on Aretum securing the associated contract award and successful completion of any required background checks or security clearance processes. Role overview The Senior Python Developer leads integration for custom applications across diverse client systems. This position combines hands-on software development with mentoring responsibilities. As part of a federal consulting team, work may involve handling Controlled Unclassified Information (CUI) and following compliance and safeguarding requirements. What you will do Collaborate across teams in an Agile setting Develop FastAPI endpoints for content delivery Create and maintain microservices Contribute to both front-end and back-end development Mentor junior developers on Python design best practices Design and implement ETL processes Engage actively in team discussions and planning Manage multiple tasks and shifting priorities Work independently as well as within a group Apply strong interpersonal and communication abilities Coordinate with the Project Manager to address evolving client needs Requirements Minimum 8 years of Python development experience 8+ years working with object-oriented programming principles Bachelor’s degree, or 2 additional years of relevant experience in lieu of a degree Skilled in API development and integration Experience with microservices architecture Familiarity with JavaScript and JQuery Knowledge of search engines such as Solr or Elasticsearch Background designing and developing enterprise web and search systems Experience with enterprise database technologies, including Postgres and MySQL Hands-on with containerization tools like Docker, Podman, or Kubernetes Comfortable working with open-source solutions Familiarity with enterprise Python applications Expertise in CI/CD solutions Experience with large AWS deployments and Terraform Practice working within Agile methodologies Preferred Bachelor's degree in Computer Science or a related field

Join Our Team as a Senior Software Engineer – Python AI PipelinesAt code-metal, we are pioneering the development of next-gen transpilation tools that harness the power of AI and cutting-edge verification techniques. Our mission is to seamlessly connect algorithm development with deployment on embedded systems.In this pivotal role, you will collaborate with a team of seasoned engineers and domain experts to create innovative code generation pipelines. You will utilize Generative AI, Static Analysis, and Formal Verification methods to facilitate the translation of code across different programming languages.Develop sophisticated AI-driven pipelines, incorporating complex workflows through state machines, message queues, and distributed systems.Construct robust, scalable, and thoroughly tested codebases for code translation solutions.Leverage Docker for containerized services in both local development and deployment environments.Integrate formal verification and static analysis methodologies into the pipeline in partnership with domain specialists.Contribute to distributed and cloud-based architectures enhancing reliability and scalability.

Join us in transforming how the Department of Defense approaches multi-billion-dollar force-design decisions. As a Senior Backend Platform Engineer, you will integrate physics-driven simulations, interactive computing, and validated AI code generation to develop cutting-edge wargaming platforms. If the prospect of creating ultra-low-latency APIs, managing high-volume geospatial data, and leading with clean, production-ready Python excites you, we want to hear from you!Your ResponsibilitiesOwn the service layer: Design, build, and scale FastAPI microservices and ultra-fast ZeroMQ messaging pipelines in Kubernetes and bare-metal clusters.Wrangle data at speed & scale: Shape and query multi-TB Postgres/PostGIS datasets, orchestrate Redis for sub-millisecond state, and ensure stability under bursty loads.Glue the stack together: Expose crisp, well-versioned REST & WebSocket endpoints for the frontend team and simulation kernel.Ship continuously: Automate CI/CD, observability, and security hardening to meet DoD standards; deploy to production with confidence.Lead by example: Drive code reviews, mentor team members, and set the standard for test coverage and documentation.Why Choose Code Metal?Mission with Impact: Your work will contribute to the digital infrastructure of modern battlefields, influencing multi-billion-dollar defense acquisitions.Velocity: Work in tight-knit teams with weekly releases and no bureaucratic delays.Ownership: Every engineer is empowered to ship significant code without being a passenger.