developer python javascript jobs in St James's

Backend developer to build scalable systems and APIs, working with Node.Js, TypeScript, and SQL/NoSQL databases.

A Python/Django developer to work on web applications, microservices, and product development. Requires experience in Python, Django, and related technologies.

Python Developer Geospatial / GIS Location- Fully remote Contract Term- 6 months We are seeking a highly skilled Python Developer with strong GIS expertise to join a team working on geospatial data solutions. This role focuses on the design, development, and support of geospatial data pipelines, applications, and APIs, using modern open-source technologies. The successful candidate will have...

Develop and maintain the Django-based GeoKey software for participatory mapping projects, working within a team and adhering to software development best practices.

Join a small startup as a founding engineer, building revenue infrastructure for AI agent payments, with a focus on backend and infrastructure.

Develops and maintains a global network of servers using Python and Go, working with network routing and switching.

MUST BE BASED IN THE UK TO BE ELIGIBLE. Are you an experienced Full-stack Engineer seeking new and exciting opportunities? While we may not have an immediate vacancy, we’re always on the lookout for talented individuals to join our Talent Pool. Who We AreGSK is a science-led global healthcare company with a special purpose: to help people do more, feel better, live longer. We are on an audacious...

Develop server-side applications in C# and Python for financial exchanges, contributing to a technology transformation in a trading environment.

Senior Developer needed for a decentralized trading platform, building high-performance trading tools with user-centric design, using TypeScript, React, Python, and Rust.

Who We Are Boston Consulting Group partners with leaders in business and society to tackle their most important challenges and capture their greatest opportunities. BCG was the pioneer in business strategy when it was founded in 1963. Today, we help clients with total transformation-inspiring complex change, enabling organizations to grow, building competitive advantage, and driving bottom-line...

You will work closely with engineering, trading, and operations teams, becoming the technical steward of a system that sits at the centre of our business. This role’s scope extends beyond the optimization engine to include automation of trading and operational workflows, creatively removing manual processes and improving reliability and speed across the trading stack.

You will be contributing and leading tasks around Pricing Strategy and Development based on market conditions and thorough data research. Within this role, youll be applying yourself with a number of different analytical tools and softwares. In addition to typical Actuarial softwares, were looking for those with knowledge and skills in Data Science techniques such as Power BI, Python, SQL.

You will work across modelling, grid compliance, system design, commissioning and performance analysis, collaborating closely with development, commercial and operations colleagues. The role sits in an owner-operator environment, offering exposure to real assets rather than consultancy-only work, with genuine influence over how battery systems are specified, delivered and optimised.

Senior Pricing Analyst (Motor) Hybrid (London)Join a leading personal lines insurance provider as a Senior Pricing Analyst. In this role, you'll support key portfolios and accounts, providing pricing analysis and strategic recommendations to drive profitable growth.Key Responsibilities:Conduct pricing reviews and make recommendations for key accounts.Collaborate with Underwriting, Test teams, and...

Trainee AI Engineer – No Experience Needed Future-proof your career in Artificial Intelligence – starting today. Looking for a career change? Currently employed but want something better? Or maybe you're between jobs and ready for a fresh start? ITOL Recruit's AI Traineeship is designed to get you into one of the fastest-growing industries with zero experience required. Train online at your own...

MUST BE BASED IN THE UK TO BE ELIGIBLE.Are you an experienced Full-stack Engineer seeking new and exciting opportunities? While we may not have an immediate vacancy, we’re always on the lookout for talented individuals to join our Talent Pool.Who We AreGSK is a science-led global healthcare company with a special purpose: to help people do more, feel better, live longer. We are on an audacious...

Our client, a well-established energy business in London, is hiring a Senior Data Engineer to support the next phase of their growth.The role is based in Mayfair and operates on a hybrid basis, with three office days and two remote days per week.Senior Data Engineer – Role Purpose:We are looking for an engineer who is responsible for building, maintaining, and evolving the data pipelines and...

MUST BE BASED IN THE UK TO BE ELIGIBLE. Are you an experienced Full-stack Engineer seeking new and exciting opportunities? While we may not have an immediate vacancy, we’re always on the lookout for talented individuals to join our Talent Pool. Who We AreGSK is a science-led global healthcare company with a special purpose: to help people do more, feel better, live longer. We are on an audacious...

MUST BE BASED IN THE UK TO BE ELIGIBLE. Are you an experiencedFull-stack Engineer seeking new and exciting opportunities? While we may not have an immediate vacancy, were always on the lookout for talented individuals to join our Talent Pool. Who We AreGSK is a science-led global healthcare company with a special purpose: to help people do more, feel better, live longer. We are on an audacious...

MUST BE BASED IN THE UK TO BE ELIGIBLE. Are you an experienced Full-stack Engineer seeking new and exciting opportunities? While we may not have an immediate vacancy, we’re always on the lookout for talented individuals to join our Talent Pool. Who We AreGSK is a science-led global healthcare company with a special purpose: to help people do more, feel better, live longer. We are on an audacious...