Python Software Engineer jobs in Waltham

We’re pushing the boundaries of Insurance Technology INSTANDA is the worlds first no code platform for Insurance. A pioneering Insurtech, we’re revolutionising the insurance industry by offering insurers a versatile tool to create, manage, and distribute digital insurance products. Our innovative te

Java Software Engineer | £90,000 - £95,000 We're working with a Tier 1 global investment banking powerhouse on this exciting opportunity. Join a high-octane Front Office Equities Risk technology team building the next generation of low-latency, high-throughput trading systems. You will leverage Core

Automation Developer We're working with a major enterprise transformation leader on this exciting opportunity. This is a high-impact, Outside IR35 contract for a seasoned Power Automate expert to join a large-scale digital evolution. You will lead the charge in designing and deploying sophisticated

We're working with one of the UK’s leading social housing providers and community-building pioneers on this exciting opportunity. Providing homes for hundreds of thousands of people across the country, they are leveraging data to drive social impact and improve lives through innovative digital solut

Software Engineers West London Circa £45,000 Want to build real security tech, not just sit in training decks? We have partnered with an exciting, early-stage technology start-up who are building a best-in-class platform to help SMEs strengthen their security capabilities. Rare opportunity to join a

Who you are 5+ years of experience in software development of Linux-based desktop client software, both with and without a visible interface (i.e., GUI apps as well as CLI apps) Applied best practices in code quality paradigms Experience with DevOps principles and practices (CI/CD, etc) Experience w

Description We are looking for a Developer to join our small, dynamic team developing cutting-edge football data acquisition and analysis systems. We are leveraging frontier LLM systems to generate high-value structured data in real time, from diverse data sources, including social media. This is an

C++ Software Engineer Location: Surbiton Hybrid: You'd be expected in the office at least once as week Skills: C++, Git, Linux, Atlassian (Jira / Bitbucket) If you're a C++ Software Engineer who gets restless without a hard problem to solve, keep reading. We're working with an established software c

About the Company The mission of LTM Company is to engineer meaningful technology solutions to help businesses and societies flourish. Our successful technology business serves over 2000 Global customers and now, we are in a process of expanding. LTM is extending its technology business with specifi

Staff Software Engineer - Back End We're working with a global fintech powerhouse that is revolutionising the way millions of people interact with money through high-scale distributed systems and cutting-edge cloud architecture on this exciting opportunity. This is a high-impact leadership role wher

About Modo Energy The energy transition is the biggest infrastructure buildout in human history. Modo Energy is the data platform at the centre of it. We build the benchmarking, forecasting, and valuation tools that the world's most serious energy investors, developers, and operators depend on to ma

Staff Software Engineer – THE AI Scale-Up of 2026 | Future Unicorn Up to £160,000 plus excellent stock options London – 2 days a week Next.js | React | Typescript | Node | Python Are you a product-focused Staff Software Engineer who enjoys autonomy and wants to build products from end-to-end? If so,

Marex

About Marex Marex Group plc (NASDAQ: MRX) is a diversified global financial services platform providing essential liquidity, market access and infrastructure services to clients across energy, commodities and financial markets. The group provides comprehensive breadth and depth of coverage across fo

Automation Developer We're working with a major enterprise transformation leader on this exciting opportunity. This is a high-impact, Outside IR35 contract for a seasoned Power Automate expert to join a large-scale digital evolution. You will lead the charge in designing and deploying sophisticated

Principal Software Engineer – Go | Distributed Systems 💵 £140,000-170,000 + 15% bonus + Equity ⚙️ Go/Python/Rust - Kubernetes, AWS, Distributed Systems 📍 Hybrid (Central London, 3 days a week in office) 💻 Broad/Complex Technical Environment 📈 Well-funded Series B deep-tech company We’re partnere

Lead Software Engineer - Python/Web, office based - London | £90,000 - £100,000 We're working with an innovative B2B Fintech leader driving digital transformation in the financial reporting space on this exciting opportunity. This is a high-impact role for a Python expert to take the technical reins

This role is for one of the Weekday's clients Min Experience: 6 years Location: London JobType: full-time We are seeking a highly skilled Senior Software Engineer with deep expertise in Python and Large Language Models (LLMs) to join our growing engineering team. In this role, you will design, build

Hamiltonian Dynamics is a growing technology company working across Defence and Cyber Security, delivering software solutions that support critical national and enterprise systems. With teams based in Gloucestershire, Manchester, and London, we are entering an exciting new phase of expansion and are

This role is for one of the Weekday's clients Min Experience: 6 years Location: London JobType: full-time We are seeking a highly skilled Senior Software Engineer with deep expertise in Python and Large Language Models (LLMs) to join our growing engineering team. In this role, you will design, build

Infrastructure Software Engineer | £70,000 - £80,000 We're working with a high-performance data engineering powerhouse specializing in massive-scale infrastructure on this exciting opportunity. Are you a Linux expert who loves to dismantle complex systems just to build them back stronger? We are loo