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Salary:Circa £65k+ Up to 15%BonusSponsorship:Unfortunately, we are unable to offer sponsorship for this role Ifyou'rea Principal Software Engineer, who enjoys architecting complex systems, owning technical decisions, and crafting Python-powered solutions that mak. Title:Principal Software Engineer

We’re hiring a Senior Software Engineer (Python) - Trading Systems to own and evolve a production options trading system. This role is for engineers who have built and owned real-time, performance-critical systems. Own and improve a production Python codebase that runs during market hours.

Senior Python Software Engineer Circa £56,000 + up to 15% bonus | Hybrid (2 days per week in Oxford)The software you'll work on is business critical. Due to progression, this role exists to replace a senior engineer within a well-established software company operating in the highly regulated energy

Mentor other engineers in the team in software engineering best practices. As a Lead Software Engineer at JPMorgan Chase within the Global Banking Platform (GBP), you are an integral part of a team that works to enhance, build, and deliver trusted market-leading technology products in a secure, stab

We're looking for a Software Engineer skilled in PHP and familiar with Python, ready to make a real impact. We’re a growing, collaborative team - you’ll learn from experienced engineers, shape engineering practices, and contribute to the evolution of our tech stack. Collaborate with the wider en

As a software engineer at NLPatent, and one of the early hires for the engineering team, you'd be key in building the core features and foundations to scale out the platform. You'd work closely alongside NLPatent's CTO and senior engineers in planning and executing product development. Python web de

A global financial services firm in Greater London is seeking a Lead Software Engineer specializing in Python and React.

A global defence technology consultancy is looking for a Senior Software Engineer based in Southampton. The role requires proficiency in Python, Docker, and AWS, with strong experience in designing and implementing software components. You will take ownership of software work packages, with responsi

Formal training or certification on software engineering concepts with applied Full stack development experience. We have an exciting and rewarding opportunity for you to take your software engineering career to the next level. As a Software Engineer at JPMorgan Chase within the AI/ML Data Platforms

A leading financial services institution in Greater London is seeking a Lead Software Engineer to design scalable technology solutions that support business goals. The ideal candidate has a Bachelor's in Computer Science, proficiency in programming languages such as Python and JavaScript, and strong

A leading technology firm in the utilities sector is seeking a Mid-Level Software Engineer to work on a cloud-native platform that integrates software, hardware, and distributed energy assets. The role focuses on developing scalable backend services with Python and AWS, alongside building APIs, and

Join Barclays as a Senior Software Engineer –Trading Platform (. To design, develop and improve software, utilising various engineering methodologies, that provides business, platform, and technology capabilities for our customers and colleagues. Cross-functional collaboration with product manager

A leading quantitative finance firm in London seeks a Software Engineer to enhance observability tools for engineering teams. Ideal candidates should have strong Python skills and familiarity with Kubernetes and DevOps tools.

Experience with Programming Language - Python,Cucumber‑BDD, Gitlab. Collaborate closely with cross‑functional teams, including software developers, BAs and product managers, to understand requirements, acceptance criteria, and user stories.

Candidates should have strong skills in React, TypeScript, Python, and experience with AWS services.

Contributes to software engineering communities of practice and events that explore new and emerging technologies. Formal training or certification on software engineering concepts and applied experience. As a Software Engineer II at JPMorganChase within the Commercial & Investment Bank - Securities

We have an exciting and rewarding opportunity for you to take your software engineering career to the next level. As a Software Engineer II at JPMorganChase within the Commercial & Investment Bank - Securities Services Analytics Technology team, you serve as a seasoned member of an agile team to des

A leading financial services firm in London seeks a Software Engineer II to develop on the Athena platform. This role involves executing software solutions and collaborating closely with teams to create secure, scalable technology products. The ideal candidate should have strong programming skills i

A leading space engineering firm in Greater London is seeking a Ground Segment DevOps Engineer to join their innovative team. This role involves designing and maintaining the Mission Control System, implementing software modules in Java and Python, and supporting mission operations subsystems. Ideal

Python Software Engineer – Equities Intraday Risk - VP – CIB. As a Lead Software Engineer at JPMorgan Chase within theEquities LOB, youare an integral part of an agile team that works to enhance, build, and deliver trusted market-leading technology products in a secure, stable, and scalable way.

A leading insurance company in the UK is seeking a Senior Software Engineer to enhance their Cyber Data Services. The ideal candidate has over 4 years of experience in Python and SQL, with a strong understanding of cloud environments.

This is a hands‑on, backend software engineer position reporting directly to our Head of Technology. Solid experience with FastAPI (or similar Python frameworks). Python development experience in a professional setting.

Fluent in Python and software engineering fundamentals, comfortable with highly scalable data processing libraries. Working with software and data engineers, data scientists and market analysts, you'll help bridge the gap between scientific experiments and commercial products by ensuring 100% uptime

Candidates will be proficient in software design focused on a cross‑language REST based n‑tier architecture and executed using agile methodologies (Scrum, Test Driven Development, unit/integration testing, pair programming, etc. Design and develop new features within existing Python services; cr

As a Lead Software Engineer in the VPC Network organization, you will leverage your engineering expertise to build and deliver secure, stable, and scalable technology products. Are you ready to elevate your engineering career and make a lasting impact? At JPMorganChase, you join a team of top talent

Join us and take your software engineering career to new heights. As a Lead Software Engineer in the Markets Technology team, you will design and deliver secure, stable, and scalable technology solutions that support our business objectives. Formal training or certification on software engineering c

Python Software Engineer - Observability Engineering - Quant Research. Python backend engineering experience. Observability Engineering team.

Lead Software Engineer in the Prime Financial Services Data & Analytics team, you will play a pivotal role in designing and delivering secure, scalable technology products. Drive communities of practice across Software Engineering to promote new and leading-edge technologies. Formal training or cert

Cloud / Platform Engineering experience (using extensive Python) will be considered. For 20 years, CWAN has helped thousands of organizations make the most of investment portfolio data with cloud-native software and client‑centric servicing. The Platform Engineering team develops and supports CWAN

As a Backend Software Engineer you will design and develop data centric backend services for the core platform with a focus on Python coding and building FastAPIs within an Azure environment with Databricks. You have strong Python backend software engineering skills. Apply now to find out more about

Software Engineer, Python at DRW – London. In this role, you will be collaborating with people across the firm to provide cutting-edge technology solutions that expand our existing trading platform, all while promoting software engineering best practices. Up-to-date knowledge of the Python ecosyst

Software Engineers on the Prediction Markets Desk will build systems that take the desk from idea to production trading, including real-time pricing input pipelines, middle office, cross-venue reconciliation, and risk. Exceptional interpersonal skills — you communicate clearly with traders, resear

As a Lead Software Engineer at JPMorgan Chase within the Equities LOB, youare an integral part of an agile team that works to enhance, build, and deliver trusted market-leading technology products in a secure, stable, and scalable way. Leads communities of practice across Software Engineering to dri

As a Lead Software Engineer at JPMorgan Chase within the Equities LOB, you are an integral part of an agile team that works to enhance, build, and deliver trusted market-leading technology products in a secure, stable, and scalable way. You will work with line of business software developers to unde

Senior AI Python Software Engineer (Perm, UK). Senior Python Software Engineer. About the AI Senior Python Engineer role.

Principal Software Engineer (Python, AI). Staff or Principal Engineer level in a sizeable engineering organization and can point to specific platform decisions — in production today — that they own. Mentor and stretch senior and staff engineers, building technical leadership depth across the org

You’ll have real ownership from an engineering perspective, shipping features that are used daily by Ops teams. Solid experience with Python in a web application context. Strong engineering principles & practices: design patterns, testing, clean code and a good reviewer.

As we embark on the next phase of our growth, we're looking for a Senior Software Engineer to join our high-leverage team. Lead Engineering Evolution: Help define our "AI-native" development standards and mentor the team on high-velocity delivery. Command of Python and its web development frameworks

Leads communities of practice across Software Engineering to drive awareness and use of new and leading-edge technologies. As a Lead Software Engineer at JPMorgan Chase within the [insert LOB or sub LOB], youare an integral part of an agile team that works to enhance, build, and deliver trusted mark

Senior Software Engineer (Python). You have demonstrable experience as a senior software developer or engineer with a focus on Python (4+ years). As part of our Software Engineering team focused on cyber data, you will:.

Senior Software Engineer / Technical Lead – Research Platform (Rust + Python). In-depth discussions with our engineers about your experience building data platforms, leading technical projects, and mentoring engineers. We're building out our research platform team and looking for a Senior Software

Software Engineer / Developer (AWS, Python, Terraform). Highly skilled, clearance‑holding engineering teams. Modern cloud and engineering practices.

Python Software Engineer, Trading Platform. In this role, you will be collaborating with people across the firm to provide cutting-edge technology solutions that expand our existing trading platform, all while promoting software engineering best practices. Software Engineer to join a newly created t

My client is looking for an experienced Python Software Engineer to join their rapidly expanding development team, leveraging Python to streamline and automate critical processes. Job Title: Python Software Engineer. Exceptional professional growth opportunities in a tech-focused company, allowing y

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 IC role for engineers who enjoy ownership, solving complex problems, and setting a high bar for engineering quality. Strong experience as

The ideal candidate will have at least 2 years of software development experience, proficient in Python, SQL, and Git. Responsibilities include creating React applications, communicating project status, and working on software engineering projects as part of a team. A global automotive insights firm

Am elite proprietary trading firm is seeking an experienced Python Software Engineer to join a growing engineering team focused on building large-scale data and research platforms that underpin systematic investment research. Python Software Engineer – Data & Research Platforms. As a Python Softwa