102 python developer jobs found

hiring experienced Python Engineers to support a variety of high-impact research collaborations with leading AI labs. Freelancers will help improve AI systems through work extending coding benchmarks that reflect real-world development across diverse languages and domains. This is a unique opportunity to apply your engineering expertise toward shaping the next generation of intelligent systems. Key Responsibilities Develop and validate coding benchmarks in Python by curating issues, solutions, and test suites from real-world repositories Ensure benchmark tasks include comprehensive unit and integration tests for solution verification Maintain consistency and scalability of benchmark task distribution Provide structured feedback on solution quality and clarity Debug, optimize, and document benchmark code for reliability and reproducibility Ideal Qualifications 3–10 years of experience as a backend software engineer, ML engineer,...

hiring experienced Python Engineers to support a variety of high-impact research collaborations with leading AI labs. Freelancers will help improve AI systems through work extending coding benchmarks that reflect real-world development across diverse languages and domains. This is a unique opportunity to apply your engineering expertise toward shaping the next generation of intelligent systems. Key Responsibilities Develop and validate coding benchmarks in Python by curating issues, solutions, and test suites from real-world repositories Ensure benchmark tasks include comprehensive unit and integration tests for solution verification Maintain consistency and scalability of benchmark task distribution Provide structured feedback on solution quality and clarity Debug, optimize, and document benchmark code for reliability and reproducibility Ideal Qualifications 3–10 years of experience as a backend software engineer, ML engineer,...

WATER DIRECT: Senior Django / Python Full-Stack Software Developer Full Time - 6 Months Contract - Option to Extend   Water Direct is the UK’s leading provider of alternative water supplies, delivering emergency and planned services to water utility companies, commercial organisations, and critical infrastructure nationwide. In 2024, we began a strategic investment in technology to improve service delivery, transparency, and operational efficiency — building a new digital platform to manage our operations and create the foundation for growth into new services and markets.   Our Product Vision We are building the Water Direct Platform – a web and mobile platform that connects our clients, operations team, assets, drivers, and 3rd party contractors. This will transform a historically manual, phone-and-spreadsheet based process of managing water outages into a transparent, efficient, and scalable system — improving outcomes for...

SC Clearance is an essential requirement for this role, as a minimum you must be willing & eligible to undergo checks. Please note, due to the exceptional requirements of this position (short-term nature of this role and speed at which we require a postholder in situ) preference may be given to candidates who meet all of the essential criteria and hold active security clearance.    As a  Software Developer , your main responsibilities will be: Design, develop, and maintain software applications that support operational needs. Design, code and test, software applications according to specifications and standards. Fix faults following agreed procedures and carry out agreed maintenance tasks on infrastructure. Effectively document all work using required standards, methods, and tools, including prototyping tools where appropriate. Work on more complex integration as part of a wider team. Prioritise and define approaches to understand the...

This opportunity is only for candidates currently residing in the specified country. Your location may affect eligibility and rates. Please submit your resume in English and indicate your level of English proficiency. At Mindrift, innovation meets opportunity. We believe in using the power of collective intelligence to ethically shape the future of AI. What we do The Mindrift platform connects specialists with AI projects from major tech innovators. Our mission is to unlock the potential of Generative AI by tapping into real-world expertise from across the globe. About the Role GenAI models are improving very quickly, and one of our goals is to make them capable of addressing specialized questions and achieving complex reasoning skills. If you join the platform as a Machine Learning expert, you'll have the opportunity to collaborate on these projects. Although every project is unique, you might typically: Design original computational STEM problems that...

SC Clearance is an essential requirement for this role , as a minimum you must be willing & eligible to undergo checks. Please note, d ue to the exceptional requirements of this position (short-term nature of this role and speed at which we require a postholder in situ) preference may be given to candidates who meet all of the essential criteria and hold active security clearance.   As a  Software Developer (JavaScript & Python) , your main responsibilities will be: Plan and lead development of sets of related user stories Find ways to improve system robustness, resilience and stability Design, code, test, and document software solutions Collaborate with other disciplines to fully understand the software requirements   Essential: Programming and build (software engineering).  You can collaborate with others, when necessary, to review specifications. You can use the agreed specifications to design, code,...

SC Clearance is an essential requirement for this role, as a minimum you must be willing & eligible to undergo checks. Please note, due to the exceptional requirements of this position (short-term nature of this role and speed at which we require a postholder in situ) preference may be given to candidates who meet all of the essential criteria and hold active SV clearance.    As a  Python AWS Developer  , your main responsibilities will be:   Essential: Essential Criteria Strong analytical and problem xe2 solving skills , with a natural aptitude for tackling complex technical challenges. (Experts by nature) Proven experience designing, implementing, and delivering high xe2 quality, efficient software solutions on Amazon Web Services , including building and exposing data services via APIs. (We keep evolving) Excellent communication skills , with the ability to engage effectively with stakeholders at all levels....

Please submit your CV in English and indicate your level of English proficiency. Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not permanent employment. About the Role This project is suited for a Senior Python developer with deep functional testing experience, strong Linux and Docker skills, the ability to read code across multiple languages with the support of LLMs (e.g., C, Rust, Go) and translate requirements for migration tasks, and confidence using tools like Roo Code or Claude Code to accelerate iterative development. Key Responsibilities Create functional black box tests for large codebases in various source languages Create and manage Docker environments to ensure 100% reproducible builds and test execution across different platforms Monitor code coverage and configure automated scoring criteria to meet industry...

Please submit your CV in English and indicate your level of English proficiency. Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not permanent employment. About the Role This project is suited for a Senior Python developer with deep functional testing experience, strong Linux and Docker skills, the ability to read code across multiple languages with the support of LLMs (e.g., C, Rust, Go) and translate requirements for migration tasks, and confidence using tools like Roo Code or Claude Code to accelerate iterative development. Key Responsibilities Create functional black box tests for large codebases in various source languages Create and manage Docker environments to ensure 100% reproducible builds and test execution across different platforms Monitor code coverage and configure automated scoring criteria to meet industry...

Please submit your CV in English and indicate your level of English proficiency. Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not permanent employment. About the Role This project is suited for a Senior Python developer with deep functional testing experience, strong Linux and Docker skills, the ability to read code across multiple languages with the support of LLMs (e.g., C, Rust, Go) and translate requirements for migration tasks, and confidence using tools like Roo Code or Claude Code to accelerate iterative development. Key Responsibilities Create functional black box tests for large codebases in various source languages Create and manage Docker environments to ensure 100% reproducible builds and test execution across different platforms Monitor code coverage and configure automated scoring criteria to meet industry...

Please submit your CV in English and indicate your level of English proficiency. Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not permanent employment. About the Role This project is suited for a Senior Python developer with deep functional testing experience, strong Linux and Docker skills, the ability to read code across multiple languages with the support of LLMs (e.g., C, Rust, Go) and translate requirements for migration tasks, and confidence using tools like Roo Code or Claude Code to accelerate iterative development. Key Responsibilities Create functional black box tests for large codebases in various source languages Create and manage Docker environments to ensure 100% reproducible builds and test execution across different platforms Monitor code coverage and configure automated scoring criteria to meet industry...

Business Function:   Information Technology   Contract Type:  Contractor   Senior Developer IN SHORT A Senior Developer is responsible for implementing code changes to new and existing codebases in line with standards & best practises to deliver requirements as defined by the business. WHAT WILL YOU DO IT Solution Development & Implementation: Responsible for the development, design, and implementation of complex IT solutions, ensuring alignment with project goals and requirements Deployment & Troubleshooting: Support the deployment of developed artifacts and troubleshoot/debug applications and interfaces as needed. Code Quality Assurance & Testing: Ensure proper quality assurance of written code, with a focus on unit testing and maintaining acceptable code coverage....

Contract Software Developer – AI‑Powered Portal Overview: Join us as a Contract Software Developer to build and optimize an AI‑powered portal. You will design, develop, and integrate secure, scalable features and APIs across cloud platforms in a fast‑paced, collaborative environment. Duties: Develop, test, and deploy high‑quality web applications and RESTful APIs for the portal. Integrate third‑party and custom APIs, ensuring secure, real‑time data exchange. Build intuitive front‑end interfaces and dashboards for AI‑driven features. Optimize performance and reliability on AWS/Azure and maintain existing services. Use Git‑based version control and Agile practices to deliver features iteratively. Skills: Strong experience with modern languages and web technologies (e.g., Java, C#, Python, JavaScript, SQL). Hands‑on experience with RESTful APIs, front‑end frameworks, and cloud platforms (AWS/Azure). Familiarity with CI/CD, version...

Fintech Developer (Prop Firm Platform & Trading API Specialist) Location: United Kingdom (Hybrid) Employment: Contract or Full‑time About the Role Instant Futures Trading Firm is expanding its technology team and seeking a highly skilled Fintech Developer to lead the integration of major futures trading infrastructures into our proprietary trading dashboard. You will connect and maintain mission‑critical integrations with Rithmic , Tradovate , NinjaTrader 8 , and WealthCharts , ensuring seamless data flow, stable execution, and automated risk enforcement for our traders. This role suits someone who thrives at the intersection of fintech engineering, trading systems, and low‑latency infrastructure . Key Responsibilities Platform & API Integration Build and maintain robust API integrations for Rithmic (R|Protocol) , Tradovate (WebSocket/REST) , NinjaTrader 8 (NinjaScript/C#) , and WealthCharts . Implement multi‑provider connectivity...

Machine Learning Developer - Contract Role Overview: This role sits within a global onboarding and KYC capability team focused on delivering modern, scalable, and user-centric digital solutions. The team brings together business, operations, and technology stakeholders to co-design platforms that improve customer experience, streamline processes, and strengthen operational resilience. The function supports enterprise-wide digital transformation efforts, enabling the move towards a more modern, future-state technology architecture. Teams collaborate across multiple global locations to design and build digital services that allow customers to onboard quickly, simply, and securely. The remit covers onboarding products, platforms, and delivery approaches aligned to agile, client-focused ways of working. Solutions are used by a broad spectrum of customers, from large corporates to small businesses. As part of continued investment in AI and advanced engineering, we are seeking...

Contract Software Developer – AI‑Powered Portal Overview: Join us as a Contract Software Developer to build and optimize an AI‑powered portal. You will design, develop, and integrate secure, scalable features and APIs across cloud platforms in a fast‑paced, collaborative environment. Duties: Develop, test, and deploy high‑quality web applications and RESTful APIs for the portal. Integrate third‑party and custom APIs, ensuring secure, real‑time data exchange. Build intuitive front‑end interfaces and dashboards for AI‑driven features. Optimize performance and reliability on AWS/Azure and maintain existing services. Use Git‑based version control and Agile practices to deliver features iteratively. Skills: Strong experience with modern languages and web technologies (e.g., Java, C#, Python, JavaScript, SQL). Hands‑on experience with RESTful APIs, front‑end frameworks, and cloud platforms (AWS/Azure). Familiarity with CI/CD, version...

Methods Business and Digital Technology Limited Methods is a £100M+ IT Services Consultancy who has partnered with a range of central government departments and agencies to transform the way the public sector operates in the UK. Established over 30 years ago and UK-based, we apply our skills in transformation, delivery, and collaboration from across the Methods Group, to create end-to-end business and technical solutions that are people-centred, safe, and designed for the future. Our human touch sets us apart from other consultancies, system integrators and software houses - with people, technology, and data at the heart of who we are, we believe in creating value and sustainability through everything we do for our clients, staff, communities, and the planet. We support our clients in the success of their projects while working collaboratively to share skill sets and solve problems. At Methods we have fun while working hard; we are not afraid of making mistakes and...

Methods Business and Digital Technology Limited Methods is a £100M+ IT Services Consultancy who has partnered with a range of central government departments and agencies to transform the way the public sector operates in the UK. Established over 30 years ago and UK-based, we apply our skills in transformation, delivery, and collaboration from across the Methods Group, to create end-to-end business and technical solutions that are people-centred, safe, and designed for the future. Our human touch sets us apart from other consultancies, system integrators and software houses - with people, technology, and data at the heart of who we are, we believe in creating value and sustainability through everything we do for our clients, staff, communities, and the planet. We support our clients in the success of their projects while working collaboratively to share skill sets and solve problems. At Methods we have fun while working hard; we are not afraid of making mistakes and...

Java Developer (Spring Boot, Golang/Kotlin) - Contract Day rate—£350 Mandatory Skills: ✓ Java ✓ Spring Boot ✓ Golang or Kotlin About the Role: We're seeking experienced Java Developers to design, develop, and maintain scalable microservices for high-throughput data systems. You'll work with modern cloud-native technologies, building robust data pipelines and streaming solutions. Key Responsibilities: Design and develop microservices using Java and Spring Boot Build and optimize real-time data pipelines with Apache Kafka, Flink, and Spark/Databricks Develop data distribution and streaming solutions for high-throughput systems Deploy and manage containerized services (Docker/Kubernetes) Essential Skills: Strong Java and Spring Boot development experience Hands-on experience with Golang or Kotlin Microservices architecture and RESTful APIs Apache Kafka and distributed streaming systems SQL and data...

AWS Cloud Engineer (Contract) We tackle the most complex problems in quantitative finance, by bringing scientific clarity to financial complexity. From our London HQ, we unite world-class researchers and engineers in an environment that values deep exploration and methodical execution — because the best ideas take time to evolve. Together we’re building a world-class platform to amplify our teams’ most powerful ideas. As part of our engineering team, you’ll shape the platforms and tools that drive high-impact research – designing systems that scale, accelerate discovery and support innovation across the firm. Take the next step in your career.   The role   In this role, you'll provide expertise in designing and operating cloud-native applications on AWS, enabling engineering teams to successfully build, test, and deploy their workloads. You'll establish patterns and best practices across container/serverless workflows and...