30 python developer jobs found in Cambridge

Python Developer – SC - Contract 6M - Outside IR35 We’re looking for a hands-on Python Developer to join a high-performing team delivering modern applications and migrating legacy systems into scalable, web-based solutions. This is a fast-paced, delivery-focused role where you’ll work alongside experienced engineers on real-world, high-impact projects across multiple customer environments. What you’ll be doing: Building and maintaining Python-based back-end services (APIs, background tasks) Developing web applications (Flask, FastAPI, or Django) Supporting legacy system modernisation & data migrations Working with SQL databases (PostgreSQL/MySQL) Writing clean, testable code and contributing to CI/CD pipelines Collaborating in a DevOps-driven, containerised (Docker) environment What we’re looking for: Strong Python development experience Experience with REST APIs & web frameworks (FastAPI, Flask or Django) Solid understanding...

Python Developer – SC - Contract 6M - Outside IR35 We’re looking for a hands-on Python Developer to join a high-performing team delivering modern applications and migrating legacy systems into scalable, web-based solutions. This is a fast-paced, delivery-focused role where you’ll work alongside experienced engineers on real-world, high-impact projects across multiple customer environments. What you’ll be doing: Building and maintaining Python-based back-end services (APIs, background tasks) Developing web applications (Flask, FastAPI, or Django) Supporting legacy system modernisation & data migrations Working with SQL databases (PostgreSQL/MySQL) Writing clean, testable code and contributing to CI/CD pipelines Collaborating in a DevOps-driven, containerised (Docker) environment What we’re looking for: Strong Python development experience Experience with REST APIs & web frameworks (FastAPI, Flask or Django)...

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...

Job Title: Contract Applications Developer – C++ / Qt Location: Colchester Rate:  £55 - £60 per hour (indicative, outside IR35) Contract Length: 3–6 months Working Arrangements: Primarily on-site, with some flexibility depending on project phase Overview An established technology company based in Colchester is looking for an experienced Applications Developer to support a range of embedded, GUI-driven software projects. Working within a multidisciplinary engineering team, you will focus on delivering high-quality application features, user interfaces, and on-screen display tools using C++ and Qt, closely integrated with embedded hardware systems. This role is assessed as outside IR35, making it suitable for contractors operating via a Personal Service Company (PSC). Key Responsibilities Develop and enhance GUI and application-level features using C++ and Qt for embedded platforms Build on-screen display tools and front-end components for hardware-integrated...

Job Title: Contract Applications Developer – C++ / Qt Location: Colchester Rate:  £55 - £60 per hour (indicative, outside IR35) Contract Length: 3–6 months Working Arrangements: Primarily on-site, with some flexibility depending on project phase Overview An established technology company based in Colchester is looking for an experienced Applications Developer to support a range of embedded, GUI-driven software projects. Working within a multidisciplinary engineering team, you will focus on delivering high-quality application features, user interfaces, and on-screen display tools using C++ and Qt, closely integrated with embedded hardware systems. This role is assessed as outside IR35, making it suitable for contractors operating via a Personal Service Company (PSC). Key Responsibilities Develop and enhance GUI and application-level features using C++ and Qt for embedded platforms Build on-screen display tools and front-end components for hardware-integrated...

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:...

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:...

Contract Senior Java Developer – Data/Marketmaking 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 si 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:...

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...

Location: Bristol (20% onsite) Duration: 6 month contract Rate: £78ph LTD (Outside IR35) Role details: Our client, a leader in the defence and security sector, is seeking a Senior Machine Learning Engineer to join their team on a contract basis. This role involves developing and deploying advanced machine learning models essential for secure, high-integrity systems and services across critical defence, government, and public sector programmes. Key Responsibilities: Design, build, and optimise machine learning models, including NLP, computer vision, and predictive analytics Own the ML lifecycle from data preparation through to training, evaluation, and deployment Implement and maintain MLOps workflows for continuous integration and delivery of ML models Collaborate with Data Engineers and DevOps teams to ensure production readiness and scalability Contribute to architecture decisions for ML pipelines and data flows Apply secure coding and configuration...

Senior AI Engineer | £600/day Outside IR35 | 6-Month Contract Industry: Technology / Capital Markets Location: London - 3 days in office Job Type: Contract Our client, a forward-thinking technology organisation, is seeking a Senior AI Engineer to join a team building production-grade AI systems powered by large language models (LLMs). You will work closely with software engineers and product stakeholders to design, develop, and deploy scalable AI applications, focusing on multi-agent orchestration, intelligent tool integration, and reliable production workflows. Responsibilities Design and implement LLM-powered AI systems, including RAG pipelines, vector/knowledge databases, and agentic frameworks. Build and maintain production-grade AI applications with clean code, APIs, data pipelines, and robust error handling. Develop and maintain evaluation frameworks to measure and monitor system performance, accuracy, and reliability. Implement feedback loops...

Role: AI Engineer Location: Central London (Hybrid - 4 days onsite) Contract: 6 Months + Extensions Rate: £600–£800 per day (Outside IR35, flexible for exceptional candidates)   A leading European private credit manager is seeking an experienced AI Engineer to join on a contract basis. This role will focus on taking AI proof-of-concepts developed across the investment business and productionising them into scalable solutions.   You will act as the key bridge between investment teams (Portfolio Managers, Credit, and Origination) and technology, helping transform AI ideas into practical tools that enhance investment decision-making and operational efficiency.   Key Responsibilities: Serve as the designated AI engineering lead responsible for productionising AI POCs. Develop and fine-tune LLM-based solutions (e.g. RAG, prompt engineering, embeddings, vector search). Collaborate closely with investment...

GCP DevOps Engineer | Outside IR35 We are working with a growing consultancy delivering complex digital and cloud transformation programmes. They are looking for a GCP DevOps Engineer to join a high-performing engineering team on a contract basis, helping design, build and support scalable cloud platforms for large-scale projects. The Role You will play a key role in building and maintaining cloud-native infrastructure within Google Cloud Platform , enabling development teams to deliver secure, scalable and reliable services. Working within an agile engineering environment, you will focus on automation, CI/CD, infrastructure as code and platform reliability , helping teams ship production-ready systems while maintaining strong operational standards. You will collaborate closely with developers, architects and platform engineers to improve deployment pipelines, optimise cloud environments and ensure best practices across infrastructure and security. Key Responsibilities...

Lead Software Engineer Rate: £600 a day IR 35 Determination: Outside IR35 Location: Southampton Working Pattern: 20% onsite Clearance: SC Clearance required Overview: Technical Leadership, Operational and People Management, Technical direction of complex projects A global defence technology consultancy are looking for an experienced Lead Software Engineer to provide hands-on leadership across a high-priority software delivery programme. This is a senior contractor role requiring a self-starter who can quickly understand a complex problem domain, translate requirements into actionable deliverables, and drive engineering teams to successful outcomes. You will act as the technical and delivery focal point for multiple workstreams, ensuring work is sequenced, risks are managed, progress is unblocked, and the programme maintains momentum. This role blends technical leadership, delivery ownership, and stakeholder management, and is ideal for someone with a...

Data Platform Consultant (SC Cleared) Corsham (Wiltshire) 6 Month Contract £450/day (Outside IR35) Data Platform Consultant needed with active SC Security Clearance and strong Power BI, Tableau + AWS Cloud experience. 6 Month Rolling Contract based in Corsham (Wiltshire). Start ASAP in March/April 2026. Hybrid Working - 3 days/week remote (WFH) + 2 days/week working from the office in Corsham (Wiltshire). A chance to work with a leading global IT + Digital transformation business specialising in large-scale Government projects: Project Objective: design, build + implementation of a cloud based Data Analytics platform to provide data workflow, data visualisation + dashboard solutions. Key Skills: Tableau, Power BI + Apache Superset dashboard + data visualisation tools. AWS Cloud Infrastructure environments including: AWS Glue, S3 Buckets, Athena + Serverless data pipelines. Python and R-style workflow development environments. SQL querying + data...

Data Platform Consultant (SC Cleared) Corsham (Wiltshire) 6 Month Contract £450/day (Outside IR35) Data Platform Consultant needed with active SC Security Clearance and strong Power BI, Tableau + AWS Cloud experience. 6 Month Rolling Contract based in Corsham (Wiltshire). Start ASAP in March/April 2026. Hybrid Working - 3 days/week remote (WFH) + 2 days/week working from the office in Corsham (Wiltshire). A chance to work with a leading global IT + Digital transformation business specialising in large-scale Government projects: Project Objective: design, build + implementation of a cloud based Data Analytics platform to provide data workflow, data visualisation + dashboard solutions. Key Skills: Tableau, Power BI + Apache Superset dashboard + data visualisation tools. AWS Cloud Infrastructure environments including: AWS Glue, S3 Buckets, Athena + Serverless data pipelines. Python and R-style workflow development environments. SQL querying + data transformation...

Data Platform Consultant (SC Cleared) Corsham (Wiltshire) 6 Month Contract £450/day (Outside IR35) Data Platform Consultant needed with active SC Security Clearance and strong Power BI, Tableau + AWS Cloud experience. 6 Month Rolling Contract based in Corsham (Wiltshire). Start ASAP in March/April 2026. Hybrid Working - 3 days/week remote (WFH) + 2 days/week working from the office in Corsham (Wiltshire). A chance to work with a leading global IT + Digital transformation business specialising in large-scale Government projects: Project Objective: design, build + implementation of a cloud based Data Analytics platform to provide data workflow, data visualisation + dashboard solutions. Key Skills: Tableau, Power BI + Apache Superset dashboard + data visualisation tools. AWS Cloud Infrastructure environments including: AWS Glue, S3 Buckets, Athena + Serverless data pipelines. Python and R-style workflow development environments. SQL querying...

Data Platform Consultant (SC Cleared) Corsham (Wiltshire) 6 Month Contract £450/day (Outside IR35) Data Platform Consultant needed with active SC Security Clearance and strong Tableau + AWS Cloud expertise. 6 Month Rolling Contract based in Corsham (Wiltshire). Start ASAP in March/April 2026. Hybrid Working - 3 days/week remote (WFH) + 2 days/week working from the office in Corsham (Wiltshire). A chance to work with a leading global IT and Digital transformation business specialising in large-scale Government projects: Project Objective: design, build + implementation of a cloud based Data Analytics platform to provide data workflow, data visualisation + dashboard solutions. Key Skills: Tableau, Power BI + Apache Superset dashboard + data visualisation tools. AWS / Cloud Native Infrastructure environments. Python / R-style workflow development environments, SQL querying + data transformation skills. Hands-on experience with secure, cloud-based Data...