29 python developer jobs found

Python Developer A fast-growing sports data company are looking for an experienced Python contractor (3 months) to support high-impact integration work. What you’ll do: Build and maintain scalable services using Python 3.10+ Integrate with external platforms via REST APIs Work with real-time data pipelines using Kafka Contribute to exchange integrations (highly desirable) Collaborate in a modern AI-assisted dev environment (including Claude Code) What we’re looking for: Strong Python engineering background in production environments Solid experience designing and consuming RESTful APIs Hands-on experience with Kafka or similar streaming technologies Exposure to exchange integrations (betting, trading, or financial) is a big plus Comfortable working in fast-paced, data-driven teams Details: 3-month contract (potential extension) Remote-friendly / flexible £600-£650p/d outside IR35 One stage interview process, ideally looking for...

Python Developer A fast-growing sports data company are looking for an experienced Python contractor (3 months) to support high-impact integration work. What you’ll do: Build and maintain scalable services using Python 3.10+ Integrate with external platforms via REST APIs Work with real-time data pipelines using Kafka Contribute to exchange integrations (highly desirable) Collaborate in a modern AI-assisted dev environment (including Claude Code) What we’re looking for: Strong Python engineering background in production environments Solid experience designing and consuming RESTful APIs Hands-on experience with Kafka or similar streaming technologies Exposure to exchange integrations (betting, trading, or financial) is a big plus Comfortable working in fast-paced, data-driven teams Details: 3-month contract (potential extension) 2 days a week in London office is ideal but can flex if needed £600-£650p/d outside IR35 One stage...

About the Company A fintech company based in London is looking for a Senior Python Developer on an initial 3-month contract, with potential to extend. About the Role This is a sole-contributor role; you'll be the only developer on the project, so the ability to move fast and make good independent decisions is essential. The client is open to fully remote working, with monthly visits to the Hammersmith office when required. Responsibilities Building and delivering a Python based project end-to-end, working independently with minimal oversight. Integrating with exchange APIs and external data sources. Leveraging AI tooling, specifically Claude Code, to accelerate delivery and maintain quality as a team of one. Qualifications Must-haves Python 3.10+ with strong professional experience. Proven ability to work independently and deliver at pace, this is a sole-contributor engagement. Experience integrating with exchange or trading APIs....

We are supporting a leading Financial Services client i their search for a Python Developer - the role is fully remote and outside IR35. The role: Strong Python skills and experience building modern REST APIs (mandatory). Proficiency with FastAPI (mandatory) and familiarity with Flask (nice to have). Good understanding of data modelling, databases, and working with ORMs. Experience with async programming and high-performance Back End patterns. Knowledge of modern authentication/authorization (OAuth2, JWT, etc.). Familiarity with caching (eg, Redis) and pub/sub streaming patterns. Ability to write proper, reliable automated tests (pytest or similar).

Python / Vue.js Contractor Location: UK Based - 100% Remote Contract Length: 12 Months Rate: £negotiable IR35 Status: Outside IR35 We're looking for an experienced Python / Vue.js Contractor to join a long-term programme of work on a 12-month contract . This role is fully remote and open to UK-based contractors only . You'll be working on the development and enhancement of modern, scalable applications, collaborating with a distributed engineering team on business-critical systems. The Role Develop and maintain backend services using Python Build and enhance user interfaces using Vue.js Collaborate with product owners, designers, and engineers Contribute to clean, scalable, and maintainable code Participate in code reviews and technical discussions Support ongoing development across a long-term programme Required Skills & Experience Strong commercial experience with Python Solid frontend experience with Vue.js Experience...

⚡ Contract Python Engineer – Real-Time API Build 📍 Remote | ⏳ 3 Months | 🚀 Immediate Start We’re hiring a Python Engineer to rapidly integrate with a US exchange , enabling real-time bet execution. This is a build-first, speed-critical project, you’ll be shipping fast and working heavily with Claude Code to accelerate development. 🎯 The Work Integrate with external REST APIs Stream & process live data (Kafka) Build for speed, reliability, low latency Leverage Claude Code as part of your day-to-day workflow 🛠 Tech Python 3.10+ | REST APIs | Linux | Kafka | Claude Code 🔥 Ideal Background Strong Python + API engineering experience Experience using Claude Code (or similar AI-assisted dev tools) Trading / betting / exchange integrations (bonus) Comfortable shipping quickly in lean teams Interested? Apply below for more information. Remote | Contract | Outside IR35

Overview We are seeking a Senior Python Developer to support a large-scale digital transformation programme. The role focuses on building reliable Back End services, improving system performance, and contributing to a modern, scalable engineering environment. The client is open to strong EU-based talent. Role Detail: Contract Length: 3-6 months Rate: £250-400/day Outside IR35 (Depending on experience) Work Model: Fully Remote Key Skills and Experience Strong commercial experience with Python (Django) Solid understanding of REST APIs , microservices, and Back End architecture. Experience with cloud environments (AWS & Azure). Familiarity with CI/CD pipelines and modern DevOps practices. Strong understanding of relational and/or PostgreSQL. Ability to work in distributed teams and communicate clearly. Experience with Typescript and Svelte Good problem-solving skills and attention to detail. Nice to Have Experience with containerisation (Docker,...

Python Developer - UK Remote Contract - Outside IR35 | United Kingdom | Remote | £Negotiable We're working with a leading agile digital consultancy on this exciting opportunity. We are looking for a high-calibre Full Stack Contractor to spearhead a business-critical development programme over the next 12 months, delivering sophisticated digital solutions at scale. This is a chance to leverage your expertise in Python and Vue.js within a high-impact environment where clean code and architectural best practices are the standard. You will join a distributed engineering team dedicated to building modern, scalable applications that solve complex real-world problems. The Role • Lead the design and delivery of robust backend services and microservices using Python. • Build and enhance high-performance, responsive user interfaces using Vue.js for enterprise-grade applications. • Collaborate closely with Product Owners and UX Designers to translate complex...

ComfyUI Workflow Developer | London | Remote-Friendly | £500 - £600 We're working with a high-end creative agency specializing in hyper-realistic CGI for global luxury brands on this exciting opportunity. We are looking for a technical visionary to bridge the gap between AI experimentation and high-end production pipelines. This role is about more than just generating pretty images; it’s about engineering robust, scalable AI architectures using ComfyUI, Python, and Stable Diffusion to meet the exacting standards of the luxury market. You will move from a high-impact POC sprint into a full-scale production deployment, automating asset generation that rivals traditional CGI. The Role Architect and build advanced ComfyUI workflows capable of generating high-resolution, brand-compliant assets at scale. Develop custom Python scripts and API integrations to connect AI pipelines with existing Digital Asset Management (DAM) systems. Transition from a 4-week Proof of...

Contract Java Developer – Data Up to £700 per day Outside IR35 (6 month rolling) In office – City of London Quant Capital is hiring for a small, high-performing market maker in London. This is a junior-to-mid role focused primarily on Java development, with a secondary responsibility owning straightforward Python ETL/data ingestion into AWS and PostgreSQL. This is a growing team focused on data ingestion and building tooling for the wider firm. What you’ll do: Build and enhance Java backend services (APIs, batch jobs, integrations) used across the business Write clean, testable code with solid engineering discipline (testing, code review, debugging, production support) Maintain and extend Python-based ingestion/ETL (pragmatic plumbing, not heavy data engineering) Work with PostgreSQL (schemas, migrations, performant queries, data validation) Improve service reliability: monitoring/logging, sensible alerting, and predictable deployments via CI/CD Tech:...

Gigged.AI is an open talent marketplace specialising in the IT and technology sector. We have an opportunity live at the moment looking for a AI Engineer / AI Developer - Outside IR35 - UK based All proposals will be reviewed on the Gigged AI platform. In order to send a proposal please head to www.gigged.ai and create a free talent profile. Once signed in, follow this link (https://app.gigged.ai/find-a-gig/Jry0K8aDdYa) where you will see a ‘submit proposal’ button. Please ensure your CV is attached to the proposal. Project: AI-Driven Fleet Management Pilot Start: April 2026 Duration: 6 months IR35: Outside, pending final determination Rate: £600~ per day, flexibility depending on experience Mainly Remote - Occasional travel to either Glasgow or London office would be advantageous. Overview We are working towards our net-zero emissions target by 2030, transitioning our global fleet to more sustainable technologies...

Full Stack Software Developer - Remote with travel to Newcastle a couple of times a month - 2/3 months+ - OUTSIDE IR35 My client is a global leading IT consultancy. They are on the hunt for a Fullstack Developer with strong expertise in React/TypeScript (Next.js), Java/Spring Boot, and Python. Required Experience: Developing GDS-compliant services, with particular emphasis on accessibility in line wi click apply for full job details

Fullstack Developer ( Outside IR35) 6 months initial, scope for extension Between £600-700PD Remote. I am working with a fast scaling AI SaaS Platform, looking for Fullstack developers who can build end to end. They need expertise in Python Django, AWS & Typescript, and Engineers who are principally product focused, collaborative and can thrive in highly ambigious environments. Experience with distributed systems also a major plus as they are considering moving into this environment. They use Vue.js in the Frontend but will consider anyone with good Typescript backgrounds. This role has real scope for extension or a possible transition to a Snr/Principal perm position in the future

Role: Full-Stack Engineer Salary/Rate: £250-300 per day outside IR35 Location: Mainly remote - occasional London visits Contract Duration: 12-months We are currently looking for a Full-Stack Engineer for our client, an independent research technology start-up. This Full-Stack Engineer role is mainly remote, with occasional visits to the London office, as required by the business. Candidates must be based in the UK and already have the right to work. There is no further flexibility with the on-site requirement. The contract for the Full-Stack Engineer position is for 12-months, with potential to extend, operating outside IR35. Essential skills/experience required: Proven previous experience as a full-stack engineer Python (Flask) React background Comfortable working in AWS-hosted environments (with EKS) Proficiency in Git-based development workflows Experience working independently and communicating effectively in distributed teams Desirable :...

Role: Full-Stack Engineer Salary/Rate: £250-300 per day outside IR35 Location: Mainly remote - occasional London visits Contract Duration: 12-months We are currently looking for a Full-Stack Engineer for our client, an independent research technology start-up. This Full-Stack Engineer role is mainly remote, with occasional visits to the London office, as required by the business. Candidates must be based in the UK and already have the right to work. There is no further flexibility with the on-site requirement. The contract for the Full-Stack Engineer position is for 12-months, with potential to extend, operating outside IR35. Essential skills/experience required: Proven previous experience as a full-stack engineer Python (Flask) React background Comfortable working in AWS-hosted environments (with EKS) Proficiency in Git-based development workflows Experience working independently and communicating...

ComfyUI Workflow Developer | London | Remote-Friendly | £500 - £600 We're working with a high-end creative agency specializing in hyper-realistic CGI for global luxury brands on this exciting opportunity. We are looking for a technical visionary to bridge the gap between AI experimentation and high-end production pipelines . This role is about more than just generating pretty images; it’s about engineering robust, scalable AI architectures using ComfyUI, Python, and Stable Diffusion to meet the exacting standards of the luxury market. You will move from a high-impact POC sprint into a full-scale production deployment, automating asset generation that rivals traditional CG I. The R ole• Architect and build advanced ComfyUI workflows capable of generating high-resolution, brand-compliant assets at sca le.• Develop custom Python scripts and API integrations to connect AI pipelines with existing Digital Asset Management (DAM) syste ms.• Transition from a 4-week...

About the Company   We are a consultancy building bespoke operational software for manufacturing clients. Our systems replace Excel-driven processes with structured web applications and operational data platforms used across planning, production and reporting.   About the Role   We’re looking for a senior full-stack developer to help deliver data-heavy production systems used by live operational teams. You will work alongside our principal engineer and take ownership of building and improving application modules within an existing platform. This is a hands-on development role focused on shipping reliable software and solving real operational problems, not building prototypes.   Responsibilities   You will be working on an established data platform and application suite used by manufacturing operations. The system consists of: An on-premises SQL Server data warehouse A Laravel + Livewire application layer...

Contract Java Developer – Data Up to £700 per day Outside IR35 (6 month rolling) In office – City of London Quant Capital is hiring for a small, high-performing market maker in London. This is a junior-to-mid role focused primarily on Java development, with a secondary responsibility owning straightforward Python ETL/data ingestion into AWS and PostgreSQL. This is a growing team focused on data ingestion and building tooling for the wider firm. What you’ll do: Build and enhance Java backend services (APIs, batch jobs, integrations) used across the business Write clean, testable code with solid engineering discipline (testing, code review, debugging, production support) Maintain and extend Python-based ingestion/ETL (pragmatic plumbing, not heavy data engineering) Work with PostgreSQL (schemas, migrations, performant queries, data validation) Improve service reliability: monitoring/logging, sensible alerting, and predictable deployments via CI/CD Tech:...

Full-Stack Developer (AI / LangChain) 6-Month Contract | Outside IR35 | Fully Remote We’re looking for a hands-on Full-Stack Developer to join a collaborative team delivering modern software solutions with a strong focus on AI-enabled applications. This is a 6-month contract (with potential extension), fully remote and outside IR35, working within an agile environment where engineering quality and collaboration are central to the way the team operates. The Role You’ll be working across the full stack to build and deliver production-ready applications, helping teams design and implement systems that combine modern web technologies with emerging AI capabilities. The role requires a pragmatic engineer who is comfortable moving between backend, frontend, and architectural discussions, while maintaining a strong focus on delivering value. The engineering culture places significant emphasis on clean code, collaboration, and continuous improvement. Developers regularly...

CONTRACT SENIOR SOFTWARE ENGINEER - eDV CLEARED NEW CONTRACT JOB OPPORTUNITY AVAILABLE WITHIN A LEADING NATIONAL SECURITY COMPANY FOR A SENIOR SOFTWARE ENGINEER WITH eDV CLEARANCE Contract job opportunity for a Senior Software Engineer Globally leading defence / cyber security company £500 - £750 per day (inside and outside IR35 roles available) London based organisation in an easily accessible location Contract Senior Software Engineer To apply please call or email WHO WE ARE? We are recruiting multiple contract Senior Software Engineers to work with various clients in London ranging from R &D companies, Multi-National Consultancies to SME 's and product based companies. Due to the nature of the work these clients do, you must hold enhanced DV Security Clearance. WHAT WILL THE SENIOR SOFTWARE ENGINEER BE DOING? As a Senior Software Engineer, you will work with an experienced agile team to design and deliver...