16 of 16 Permanent Python Software Engineer Jobs in London

Python Software Engineer/Developer London onsite to £100k Are you a data savvy Python Software Engineer? You could be progressing your career in an impactful role at a start-up Hedge Fund/FinTech founded by two hugely successful financial trading entrepreneurs. … Python Software Engineer you'll join a small team to design and develop scalable, low latency backend trading systems services including APIs and data-driven research platforms that directly support investment and research teams. You'll focus on backend Python and FastAPI development within a modern ...

Software Engineer/Developer (C++ Python Risk) London to £130k Are you a backend focussed Software Engineer with experience of working on financial Risk systems? You could be progressing your career in a hands-on Software Engineer role at the Investment Management … services that support fertility, pregnancy and menopause Employee Assistance Programme Retail discounts and more Continuous training and career progression opportunities Your role: As a Software Engineer you'll take ownership of Risk systems for the UK business. You'll collaborate with Quants and other Front Office users ...

Senior Software Engineer | React, Python, AWS | Real-time Data Intelligence Platform Full stack (flexible on lean) Location: Hybrid (London, Oxford or Cambridge) We’re working with an early stage technology company building a production grade data platform for real time systems and analytics at scale. While … business has roots in autonomous systems, the core value sits firmly in the software platform that turns live data into usable insight. As customer adoption grows, the team is expanding its product engineering capability and hiring Software Engineers to help build and evolve customer facing features ...

this is wrong and we are on a mission to fix it, triggering the future of hardware design. We are creating an entirely new software engine for circuit boards, that takes as inputs the requirements of a circuit board and automatically outputs a complete design, ready for manufacture. … Lead Software Engineer, you’ll create simple and elegant solutions to difficult technical problems that the world has not solved before. You will work in close collaboration with a highly-functioning team of software, electronics, algorithm engineers and product managers. Responsibilities Collaborate with the product team ...

Senior Software Engineer Python London, N7 (Hybrid) £75,000 £90,000 + Equity Deep Tech Scale-Up Sponsorship available - have to be a UK resident and based locally to the role. Were partnered with a well-funded deep tech scale-up with a global footprint, currently scaling … their internal platforms and looking for a Senior Cloud Software Engineer to play a key role in building systems that support cutting-edge research and engineering. This is a high-impact opportunity to work in a complex, hybrid environment (cloud and physical systems), where your work directly enables ...

Software Engineer/Developer (C++ Python Risk) London to £130k Are you a backend focussed Software Engineer with experience of working on financial Risk systems? You could be progressing your career in a hands-on Software Engineer role at the Investment Management ...

Software Engineer (Python/React) Location: London (Hybrid) Experience: 1-5 Years Sector: Elite FinTech Firm Compensation: Up to £140,000 Base + Industry Leading Bonus + Comprehensive Package A leading FinTech firm in London is seeking a talented Software Engineer to join its growing … could be working on: • Some of the world’s most performant ETL pipelines that deal with billions of data points every second • Software solutions/products with scale, reliability and latency considerations in mind • R&D work for functional programming (either pre-existing languages (such as Rust and Erlang ...

Backend Software Engineer - Python Location: London (in-office 4 days per week, non-negotiable) Type: Full-time Reports to: Head of Engineering Salary: £90,000-£105,000 + benefits Are you a Senior Backend Engineer who thrives on designing and scaling complex systems? Do you enjoy … from architecture through to production, while contributing to the overall technical direction. Key Responsibilities Design, build, and own backend services and data pipelines in Python Develop and operate streaming systems using Kafka or similar technologies Work with graph-based data structures and algorithms to support analytics and decision-making ...

Backend Software Engineer - Python Location: London (in-office 4 days per week, non-negotiable) Type: Full-time Reports to: Head of Engineering Salary: £90,000-£105,000 + benefits Are you a Senior Backend Engineer who thrives on designing and scaling complex systems? Do you enjoy ...

Software Engineer – AI Startup – Up to 85k 🚀🧠 💰 Salary: £50,000 - £85,000 + meaningful equity 🏙️ Location : London, flexible working arrangements, ideally 1/2 days in office 💻 Tech Stack : Python, Flask, FastAPI, React, TypeScript, GCP (Backend Leaning) Our y-combinator backend client are building an elite engineering … world problems with the latest in AI and LLMs, this role is for you. In this role, you’ll: 🔧 Build and ship high-impact software 🧠 Work on AI/LLM-powered automation tools used in production 🏗️ Help shape scalable systems and infrastructure 🌍 Work collectively across teams to push ...

Contract Senior Software Engineer (Java or Python) | Inside IR35 Contract length: 6 months (with potential to extend) Location: London Working Environment: On-site You will be joining a private equity firm as a senior software engineer, to work across the following responsibilities: Develop and support … into auditable, production-grade code Provide production support, working with Platform and SRE teams as needed Key Requirements: Technical: 8+ years commercial experience in Python or Java across the full development lifecycle 5+ years in financial services (buy-side strongly preferred) Solid relational database skills; MS SQL Server ...

Description Senior Software Engineer (Java/Python/Cloud & AI) We're looking for a Senior Software Engineer to join a high-performing technology team building scalable, cloud-native applications and AI-powered solutions within a fast-paced enterprise environment. You'll work as part … integrations. Collaborating with engineers, product teams, and stakeholders to deliver robust technical solutions. Contributing to architectural decisions, engineering standards, and best practices across the software development lifecycle. Troubleshooting and resolving complex technical challenges across multiple systems and technologies. Mentoring engineers and promoting a collaborative, inclusive engineering culture. Evaluating ...

Senior C++ Software Developer, Python - Financial/Banking Candidates will have 7+ years C++ experience (ideally more) and excellent knowledge of Python - ideally coming from a Financial/Banking background with knowledge of Equities, Futures & Options and Fixed Income and Exchange Connectivity, Fix Protocol with some … work with the Product, Infrastructure and QA teams, to produce high performance, low latency and highly reliable code. Your goal will be to develop software which handle large amount of TPS to drive a highly efficient technology used by several markets around the world. To be successful in this ...

Lead Software Engineer is required by this B2B Fintech business as they look to improve their product platform offering and build on their client success. You'll be expected to take more technical leadership than managerial responsibilities, promoting better engineering practice, driving technology improvements and leading from … strong hands-on perspective. This is a web-based reporting platform written in Python and Django, and your decisions around the technical direction will be critical in the future success of the business and how they continue to deliver to their clients. If the opportunity to take responsibility ...

Responsibilities Design, develop, test, and support robust, production-ready software solutions , adhering to modern engineering best practices. Build and maintain microservices-based systems , with a strong focus on scalability, resilience, and performance. Develop and optimise scalable data pipelines , supporting both batch and streaming workloads, using technologies such as Apache … Spark . Work extensively with data technologies , leveraging Python and SQL to deliver high-quality analytical and data-driven solutions. Lead the design and delivery of data-centric applications , translating complex business and analytical requirements into well-architected technical solutions. Implement and integrate large language models (LLMs) , including: Utilising ...

performer with aspirations to be the best? Are you proficient in Python Are you looking for your next career step? This role could potentially offer you an uplift in comp, responsibility and offers great scope for progression Why would you be interested? Join a team of already proven performers … being utilised? If so you will probably make more money here than where you are now! What you'll need? Proficiency in Python Experience with distributed systems Proficiency with AWS Experience working on Buyside Responsibilities: Contribute to the core tech platform Writing the software to improve and manage ...