12 of 12 Python Software Engineer Jobs in London

Senior Software Engineer/Principal Software Engineer- C++, Python - Financial/Banking. Candidates will have a minimum 8+ years C++ experience and excellent knowledge of Python -coming from a Financial/Banking background with knowledge of Equities, Futures & Options and Fixed Income and Exchange … 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 ...

Senior Level Python Engineer is required to join a Fintech company developing next generation tools for how companies get funding and optimise their working capital. Our client aims to change how corporate finance works, by replacing static, limited and often stale financial metrics with live data-driven insights … sourced from direct connections to their clients systems. You will be joining a strong team of Python Engineers, Data Scientists, and financial experts, who are building the next generation of financial toolsscalable, secure, and smart. If you're an experience Software Engineer whose passionate about Python ...

Senior Python Software Engineer (FastAPI) - New AI Team Up to £640 a day (Inside IR35) We are partnering with a leading global investment bank to hire an exceptional Senior Python Software Engineer to join a newly formed AI engineering team focused on transforming risk … functions through advanced AI and machine learning technologies. This is a hands-on individual contributor role for a highly capable engineer with deep expertise in Python backend development, scalable system design, and modern software engineering practices. You will play a key role in architecting and delivering robust ...

Senior Software Engineer (Python) Hybrid London (2 days/week) Up to £100,000 + Benefits We're hiring a Senior Software Engineer to play a key role in building and scaling a high-impact ad-fraud prevention platform used globally. This is a senior … contribute to strong team practices Collaborate closely with Product, Design, and Data teams What we're looking for: Strong experience as a Senior Software Engineer in modern product teams Proven ability to design and deliver scalable, reliable systems Experience operating production services Strong coding, code review, and technical ...

SOFTWARE ENGINEER ( DJANGO/PYTHON ) - SECURITY UK FULLY REMOTE Up to £80,000 + Bonus + Share Scheme + Staff Benefits SECURE has Strategically Partnered with a multi-award-winning, Software-Based Organisation at the forefront of Pre-Emptive Exposure Management. As a market leader backed … Vulnerability Research & Automated Red Teaming. Role Overview: Step in as the engine behind their Intelligence Operations. You will build and scale the high-throughput Python ( Django ) Backend that Collects, Processes & Analyses Large Volumes of Threat Telemetry. By operationalising Complex Data Pipelines & Integrating LLM Workflows, you will directly fuel ...

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 ...

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 ...

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 ...

Senior Level Python Engineer is required to join a Fintech company developing next generation tools for how companies get funding and optimise their working capital. Our client aims to change how corporate finance works, by replacing static, limited and often stale financial metrics with live data-driven insights ...

developing an award-winning SaaS analytics platform used to assess over £200bn of non-life insurance business? This is a mid to senior level software engineering role focused heavily on production-grade Python development. This is not a web-facing CRUD or API-endpoint development role. The core … . The role: Technical Challenge: Take ownership of performance bottlenecks involving 4GB+ datasets. Architectural Input: Taking new features from conception to deployment Production-Grade Python: Apply software engineering best practices including OOP, unit testing, and CI/CD. Mathematical/Financial Logic: Translating complex analytical, mathematical, or financial ...

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 ...