Overview In this role you will join a small, high-impact team building models and trading systems for a fixed income quant strategy at a leading trading firm. You contribute to the development of models, tooling, and infrastructure that dri...Read More>>.

Are you a world-class Python engineer ready to push your technical limits in one of the most intellectually rigorous environments in finance? Our client is a leading quantitative investment fund—combining deep research, cutting‑edg...Read More>>.

JPMorganChase in Glasgow seeks a Lead Software Engineer to shape a trusted Global KYC and Risk Assessment Data Platform. You will lead across teams, define architecture and standards, and deliver secure, scalable software that supports multi-portf...Read More>>.

Spencer Rose Ltd in Watford, Hertfordshire is seeking a Senior Software Engineer - Python to build high-throughput, API-first back-end services. You will design, implement and maintain production-grade Python applications, focusing on reliability,...Read More>>.

JPMorgan Chase & Co. in the United Kingdom invites a Lead Software Engineer to join the Athena Core DevTools team.You will design and build systems that accelerate daily work for thousands of engineers, shaping the engineering experience fr...Read More>>.

Mustard Systems Ltd. in London builds data-driven trading software using Python, Go and JavaScript/TypeScript to deliver real-time insights. The role emphasizes fast delivery, ownership of features, and collaboration with traders and quants to sol...Read More>>.

PhysicsX, a deep-tech company building AI-driven simulation software, seeks a Senior Software Engineer for the AI Workbench platform. You will design distributed systems, own end-to-end work, and mentor engineers while staying hands-on with code i...Read More>>.

JPMorganChase in the United Kingdom is seeking a Software Engineer III to build and ship production AI-enabled software across the full stack, with a focus on Python backend services, APIs, and multi-cloud deployments.You will implement LLM...Read More>>.

Client Server is seeking a Senior Python Developer/Software Engineer to join their London office in a hands-on role. The successful candidate will build backend services and FastAPIs using Python, as well as integrate LLMs and payment systems. You...Read More>>.

JPMorgan Chase & Co. in London seeks a Lead Software Engineer within IP - Network Services to drive secure, scalable, and trusted technology products. You will be a core contributor delivering cross-functional solutions and mentoring teams across...Read More>>.

We are looking for a talented AI Engineer with strong Python expertise to join our team and help build intelligent, scalable AI solutions. Role: AI Engineer with Python Location: London Work mode: Hybrid...Read More>>.

Medtronic Digital Technologies is creating ambitious new products that bring connectivity, real-time guidance, and decision support to the operating room. We are developing compact, high-performance, embedded systems for edge computing and connect...Read More>>.

McLaren Racing seeks experienced Python Software Engineers to join our Software & Data Science team on a fixed-term contract basis to deliver Factory Flow, a major technology transformation program. You will design, build and maintain Python servi...Read More>>.

McLaren Racing is seeking a Python Software Engineer to design, build and support software underpinning our Factory Flow transformation. You’ll develop Python services and data pipelines within a fast-paced Formula 1 environment at the McLaren T...Read More>>.

Purview is seeking an experienced Python developer to own production services and reusable libraries, delivering production-ready APIs with FastAPI and Pydantic. You will handle large JSON/YAML/SQL datasets, implement robust validation, and contri...Read More>>.

VCGTech in Glasgow is hiring a Python Software Engineer to design and deliver robust financial control systems supporting valuation and risk management. You will work on scalable Python applications within a large mono-repo and collaborate with as...Read More>>.

Anemoi Marine Technologies is seeking a Senior Software Engineer (Python) to lead hands-on development of our early-stage scientific software for a defined contract period in London. You will work with engineers and analysts to translate methods i...Read More>>.

Just Eat Takeaway.com is looking for a Senior Engineer to join their Enterprise AI team in Greater London. The role involves designing and deploying AI-powered solutions, leading projects, and mentoring team members on best practices.Candid...Read More>>.

Xelix is seeking Senior Python Developers to join our back-end team in a fast-paced scale-up environment. You will write Python code, build REST APIs with Django or Flask to support the React front end, and collaborate with AI Engineers to analyze...Read More>>.

Acclaim AI is seeking a skilled backend developer to build scalable services, APIs, databases, and integrations with external systems while collaborating with a small, hands-on team that moves fast. You will own the LLM agent framework, improve o...Read More>>.

McLaren Racing is seeking an experienced Python Software Engineer to join the Software & Data Science team on a fixed-term contract. You will help design, build and support software that underpins engineering, manufacturing, and race operations, c...Read More>>.

Perforce is seeking a Senior Software Engineer to own end-to-end features across the CLI and PiCache within the IPLM suite. You will collaborate with the API and database teams to deliver robust tooling used by semiconductor teams, while supportin...Read More>>.

OverviewC / Python Software Engineer | High-Performance Systems | PermanentLocation: Cambridge (Hybrid) • Type: Full-time, Permanent • Salary: Competitive (dependent on experience)What you’ll be doingD...Read More>>.

McLaren Racing is seeking an experienced Python Software Engineer to join the Software & Data Science team on a fixed-term contract. You will design, build, and support next-generation software underpinning engineering, manufacturing, and race ope...Read More>>.

Trust In SODA partners with an innovative tech business at the intersection of software engineering, AI and computational modelling to accelerate engineering analysis. They are seeking a Senior Python Engineer to design, build, and scale platform...Read More>>.

Client Server is seeking a Founding Engineer / Developer (Python API LLM) to join a fast-growing AI start-up in London, with a Cambridge presence. Two days in London and one day in Cambridge each week, with expenses covered and flexible remote wor...Read More>>.

Client Server is seeking a Senior Software Engineer / Developer with strong Python backend and AWS experience to build high-performance trading systems and scalable cloud infrastructure in a London-based hybrid role.The successful candidate...Read More>>.

Client Server is seeking a Senior Python Developer in Cambridge to join a Greenfield platform addressing AI-driven cyber threats. You will design and build high-performance Python backends, with opportunities to work in Rust, TypeScript and C++ wi...Read More>>.

Halian | Managed Services, Recruitment Agency & Contract Staffing is seeking a Senior Python Data Engineer to join a major public sector programme. The role supports UK Remote / Hybrid working and focuses on cloud-native data platforms built on AW...Read More>>.

HCLTech is seeking a skilled C++/Python Developer to design, develop and maintain high-performance backend applications. The role emphasizes Linux-based environments, containerization with Docker and Podman, and cloud-native deployment using Kuber...Read More>>.

SciBite, part of Elsevier, seeks a DataOps Engineer to maintain and evolve data and ontology pipelines that power its AI and NLP stack. You will work closely with Ontology and Data Science teams to build scalable automation and vocabularies that s...Read More>>.

VirtueTech Recruitment Group is seeking a Senior Backend Python Developer for an Energy Tech firm focused on a smarter, zero-carbon electricity grid. You will design, implement, and scale backend services across UK and international markets....Read More>>.

JPMorganChase is seeking a Software Engineer III to build production software with a focus on AI-enabled capabilities. You will develop Python services, APIs, and microservices, and work across the full SDLC in a multi-cloud environment.You...Read More>>.

Client Server is seeking a Lead Software Engineer to head a small, skilled tech team in London, delivering features and refactoring efforts on a core banking platform. The role involves a 50/50 split between architecture/design and people manageme...Read More>>.

McLaren Racing is seeking an experienced Python Software Engineer to help modernise Factory Flow, a major technology transformation. You will design, build and support Python services, APIs and data pipelines that enable design, manufacturing, and...Read More>>.

Advanced Resource Managers Ltd in London is seeking a Backend Developer (Python) on a 6-month contract. The role is hybrid in London and pays £550-£650 per day Inside IR35.The project focuses on building, modernising and supporting distri...Read More>>.

Akkodis is seeking a Senior Python Developer to join a fast-paced backend team in London, with three days onsite. You will design and deliver robust Python services and AI-enabled PoCs, integrating AI models and APIs within regulated environments....Read More>>.

TRAKD is seeking a Product Engineer to join an early-stage HealthTech startup and own core features end-to-end. You’ll work on Python-based backend, APIs, data pipelines, and frontend touchpoints with React, collaborating closely with the CTO an...Read More>>.

Syngenta Crop Protection is seeking a hands-on senior Software Engineer with deep Python expertise to build reliable internal platforms and developer-enablement capabilities.You will apply AI practically, including RAG-based search and conv...Read More>>.

E.ON Next is seeking an experienced Senior/Staff Software Engineer to join our Engineering team in London. You will help build scalable, full-stack cloud solutions with a focus on Python, AWS, and serverless architecture, while mentoring peers and...Read More>>.

Square One Resources is seeking a DV-cleared Software Engineer to design, develop and improve software in a highly secure government environment in London. The role is onsite with a long-term contract and active DV clearance is mandatory.Yo...Read More>>.

83zero Ltd is seeking a Senior Python Developer to lead GenAI projects. You’ll write production-grade Python, build APIs and AI applications, and bring GenAI/LLM ideas from POC to production for enterprise clients.This permanent, hybrid r...Read More>>.

VCGTech is seeking a Python Software Engineer to design and deliver robust financial control systems supporting the Independent Revaluation Infrastructure System (IRIS). You will collaborate with asset class and platform teams to build scalable, s...Read More>>.

Client Server Limited in Cambridge is seeking a Python Developer / Backend Software Engineer to join the R&D team and build a new Greenfield product addressing AI-based security threats. You’ll contribute to rapid prototyping and structured deve...Read More>>.

Signal Ocean, the technology arm of Signal Group, is expanding its engineering team in London. We’re looking for a Software Engineer capable of building and maintaining scalable backend data services (primarily in Python) within the Modelling &...Read More>>.

Peregrine is recruiting Software Developers to join an early-stage programme focused on Python and AI for an automated, integrated service in the public sector. You will work with enterprise architects and senior engineers to research, design and...Read More>>.

Client Server is seeking a Lead Software Engineer in London with strong Python backend skills and leadership experience to own the technical direction of a SaaS platform. You will remain hands-on while guiding architecture, coding standards and CI...Read More>>.

ELIXI is seeking an experienced Python Developer to join our AI‑driven HealthTech startup in the UK. You will design and implement scalable APIs, optimise data pipelines, and deploy machine learning‑enabled features that empower users to track...Read More>>.