Lead Software Engineer Python Java Jobs in London, UK

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Python Engineer at a Global Private Equity Firm

Are you a Python Engineer in finance looking to work on greenfield projects? This is an opportunity to join a global private equity firm that is taking a tech-first approach. You’ll be working as a Python Engineer, closely with stakeholders across both investments and technology. ...

DevOps Engineer

We are looking for a DevOps Engineer to help us build functional systems that improve customer experience.DevOps Engineer responsibilities include deploying product updates, identifying production issues and implementing integrations that meet customer needs. If you have a solid background in softw ...

DevOps Engineer

We are looking for a DevOps Engineer to help us build functional systems that improve customer experience.DevOps Engineer responsibilities include deploying product updates, identifying production issues and implementing integrations that meet customer needs. If you have a solid background in softw ...

Head of Software Engineering (Hybrid, UK) Path to CTO

A growing Financial SaaS company in London seeks a Head of Software Development to lead their software engineering and join the senior leadership team. This strategic role requires 10+ years in Java development, leadership experience, and a strong background in Capital Markets. The successful candidate will over ...

Engineering Manager — Lead Scalable Web & Cloud Systems

A leading software company is seeking a Software Engineering Manager to lead and mentor an engineering team in London. You will oversee project delivery, ensure adherence to best practices, and establish quality standards. The ideal candidate has extensive experience in software engineering, team leadership, and ...

Senior Software Engineer, AI Driven Sales Workflows

A global banking institution is seeking a Software Engineer (Sales Workflows) in London for a 6-month contract. In this role, you'll drive advancements in front office technology for Fixed Income & Currencies sales teams through innovative, AI-driven solutions. Responsibilities include designing greenfield techn ...

Software Engineer II Post Purchase Platform (Remote)

MOO is looking for a Software Engineer to join its team in London. In this role, you will be responsible for building, testing, and deploying backend services. You will work closely with a cross-functional team to improve the resilience and scalability of our systems, utilizing Java, Terraform, and AWS. This pos ...

Fintech Software Engineer – Payments & Cloud

Edenred Italia S.r.l. seeks a Software Engineer for its London office, focusing on the design and implementation of innovative payment solutions. You will be part of a collaborative team working under Edenred PayTech, a leading fintech company managing over €100 billion in global payments. Ideal candidates will ...

Senior Full Stack Engineer Remote (SC Clearance)

Searchability is seeking a Senior Full Stack Engineer in London (Remote) to design and build high-quality software solutions. In this role, you will collaborate closely with clients to deliver scalable systems and contribute to architectural decisions. The ideal candidate has proven experience in full stack deve ...

Senior Staff Backend & Data Engineer FinTech (Relocation)

Agoda is looking for an experienced backend engineer in Greater London, UK to architect and maintain scalable systems fundamental to our FinTech solutions. The ideal candidate has over 8 years of experience in software development, particularly in Java, Kotlin, Scala, or C#, with expertise in big data and real-t ...

Real Time Data Engineer for LLM & Low Latency Systems

A data-driven technology firm in London is seeking a Software Engineer to develop and maintain data acquisition systems using social media inputs. The role requires strong programming skills, particularly in Java (Spring), and experience with Postgres, GCP, and Docker. Candidates should also be familiar with bui ...

Senior Software Engineer FX Trading Platforms

Macquarie Bank Limited is seeking a Senior Software Engineer to join their eFX Digital Technology team in London. This role involves designing and enhancing electronic FX trading solutions in a dynamic environment, collaborating with various stakeholders and technical teams. The ideal candidate holds e ...

Senior Algo Trading Engineer — Hybrid & AI‑Driven SDLC

Citi is seeking a Senior Software Engineer for its Equities Technology organization in Greater London. This role focuses on developing next-generation algorithmic trading and Smart Order Routing platforms, requiring expertise in Low Latency Java, C++, or Rust. Candidates should have prior experience in Algorithm ...

Frontend Engineer: Vue/TS & Modern UI Dev

Java Script Works is looking for a software engineer based in Greater London to work in a challenging tech environment. The ideal candidate will be proficient in JavaScript (ES6+), CSS, and modern frameworks like Vue, with experience in frontend development and responsive design. Responsibilities include develop ...

VP Senior Algo Trading Engineer Hybrid, Low Latency

Citi is seeking a Software Engineer in Greater London to design and develop low-latency electronic execution systems within the Equities Technology organization. This role emphasizes collaboration with traders and developers to deliver innovative solutions and require expertise in Java, C++, or Rust. The positio ...

Senior Backend Engineer – Cloud Native & AI‑Driven Delivery

Signify Technology is seeking a Senior Backend Engineer in London, England for a hybrid role. The position involves building and evolving a modern, cloud-based product, with a focus on high-quality code and engineering standards. Candidates should have 4+ years of software development experience, solid backend s ...

Full Stack TypeScript Engineer — Flexible Hours & £80k

Java Script Works is seeking a Full Stack Javascript Software Engineer to work within a global development team based in Surbiton, Greater London. The successful applicant will handle design, development, and maintenance of the main pricing analytical library using TypeScript. Qualifications include knowledge of ...

Senior Android Engineer Digital Identity & Fintech

A leading financial services firm is seeking a Software Engineer III - Android to focus on creating customer-centric products. You will be responsible for developing and delivering product features, collaborating with cross-functional teams, and ensuring high-quality code. The ideal candidate will have advanced ...

Senior Big Data Engineer Spark, Graphs & Elasticsearch

A multinational technology firm seeks a Senior Software Engineer II to design and build scalable systems for complex research metrics. The role involves implementing distributed computation pipelines and developing Java-based backend services. Candidates should have expertise in big data technologies like Scala ...

Senior Software Engineer FX Trading Platforms

A global financial services provider is seeking a Senior Software Engineer to enhance electronic FX trading solutions. In this role, you will leverage your Java expertise and work in a collaborative environment to deliver robust systems that meet business needs. You will contribute to solution design, guide engi ...

Senior Backend Engineer for Real Time Trading Platforms

A leading financial technology firm in London is seeking a Senior Software Engineer to build high-performance trading platforms. The role requires strong expertise in C++ and ideally Java, along with experience in distributed systems. You will collaborate with various teams to drive innovations in trading workfl ...

Senior CDN Engineer — Remote, Equity

A tech-focused company in the UK is seeking a Senior Software Engineer to join their Content Delivery & Security team. This role involves building high-performance systems and working on the core products powering their CDN and security functions. Ideal candidates should have deep C# (.NET) experience or strong ...

Senior Fullstack Engineer Server Driven UI Platform

A leading global technology company is seeking a Senior Software Engineer II (Fullstack) to enhance their in-house server driven UI framework. You will contribute to backend library and web client development while collaborating with product teams to create high-quality features. Ideal candidates have significan ...

Senior Backend Engineer Cloud, AI & Distributed Systems

A global travel technology company based in Greater London is seeking a skilled Software Engineer to design and implement scalable systems. The ideal candidate has over 5 years of experience, strong fundamentals in Java or Kotlin, and expertise in cloud environments. Responsibilities include collaborating with c ...

Senior Marketing Platform Engineer – Data Driven Growth

A global technology company is seeking a Senior Software Engineer for their Marketing Platform team in London. The candidate will manage and evolve the marketing platform and comparison scraping for international customers. Ideal applicants have over five years' experience in Java or Kotlin, strong expertise in ...

Software Engineer – Scalable Analytics & Distributed Systems (Hybrid)

A tech company in financial services is seeking a Software Engineer to design and maintain their calculation framework. The role involves collaborating with engineers to develop a robust distributed calculation engine. Applicants should have proven programming skills in C#, C++, or Java, and a solid understandin ...

Senior Software Engineer – AI Driven Payments

A global payments technology company in Greater London is looking for a Senior Software Engineer to develop next-generation payment technologies. The role involves leading projects, designing scalable systems, and collaborating with cross-functional teams. Ideal candidates will possess a Bachelor's or Master's d ...

Senior Backend Engineer Distributed Data Platform

A leading data and AI company in London is seeking an experienced Software Engineer to enhance their Lakehouse Platform. The role focuses on building reliable and secure services for data storage and access, requiring 8+ years of experience in Java, Scala, C++, or similar. Candidates should possess a BS in Compu ...

Senior Software Engineer, Scale — Fintech Platform

Airwallex, a global payments platform, seeks an experienced Software Engineer to join our team in Greater London. You'll design and maintain our embedded finance infrastructure, collaborate across departments, and impact how businesses use our services. We're looking for someone with 5+ years in Java/Spring Boot ...

Full Stack CMS Engineer for Magnolia/ContentStack

MOO is looking for a Software Engineer (Magnolia/ContentStack FullStack) to join the Browse team in London. The ideal candidate will have strong experience with CMSs and web technologies, including Java, TypeScript, and NextJS. This role emphasizes collaboration and a passion for quality, where you will contribu ...

VP, Low Latency Algo Trading Systems

Citigroup Inc. is seeking a Software Engineer to join the Equities Electronic-Execution technology team in London. You'll design and deliver next-generation low-latency execution platforms including Algorithmic Trading and Smart Order Routing. Candidates should have strong knowledge in Java, C++, or Rust, along ...

Senior Java & AWS Engineer: Low Latency, High Impact Systems

Ambition in Greater London seeks a skilled software engineer with 8–10+ years of experience to design and build low-latency systems for a world-class investment platform. You’ll work closely with risk managers and quants, translating complex problems into scalable technical solutions. Candidates should have a st ...

Senior Fullstack Engineer Server Driven UI Platform

A leading global technology company is seeking a Senior Software Engineer II (Fullstack) to enhance their in-house server driven UI framework. You will contribute to backend library and web client development while collaborating with product teams to create high-quality features. Ideal candidates have significan ...

Senior Marketing Platform Engineer – Data Driven Growth

A global technology company is seeking a Senior Software Engineer for their Marketing Platform team in London. The candidate will manage and evolve the marketing platform and comparison scraping for international customers. Ideal applicants have over five years' experience in Java or Kotlin, strong expertise in ...

Senior Software Engineer, Scale — Fintech Platform

Airwallex, a global payments platform, seeks an experienced Software Engineer to join our team in Greater London. You'll design and maintain our embedded finance infrastructure, collaborate across departments, and impact how businesses use our services. We're looking for someone with 5+ years in Java/Spring Boot ...

Senior CDN Engineer — Remote, Equity

A tech-focused company in the UK is seeking a Senior Software Engineer to join their Content Delivery & Security team. This role involves building high-performance systems and working on the core products powering their CDN and security functions. Ideal candidates should have deep C# (.NET) experience or strong ...

Senior Software Engineer FX Trading Platforms

A global financial services provider is seeking a Senior Software Engineer to enhance electronic FX trading solutions. In this role, you will leverage your Java expertise and work in a collaborative environment to deliver robust systems that meet business needs. You will contribute to solution design, guide engi ...

Senior Backend Engineer for Real Time Trading Platforms

A leading financial technology firm in London is seeking a Senior Software Engineer to build high-performance trading platforms. The role requires strong expertise in C++ and ideally Java, along with experience in distributed systems. You will collaborate with various teams to drive innovations in trading workfl ...

Senior Big Data Engineer Spark, Graphs & Elasticsearch

A multinational technology firm seeks a Senior Software Engineer II to design and build scalable systems for complex research metrics. The role involves implementing distributed computation pipelines and developing Java-based backend services. Candidates should have expertise in big data technologies like Scala ...

Senior Android Engineer Digital Identity & Fintech

A leading financial services firm is seeking a Software Engineer III - Android to focus on creating customer-centric products. You will be responsible for developing and delivering product features, collaborating with cross-functional teams, and ensuring high-quality code. The ideal candidate will have advanced ...

Software Engineer – Scalable Analytics & Distributed Systems (Hybrid)

A tech company in financial services is seeking a Software Engineer to design and maintain their calculation framework. The role involves collaborating with engineers to develop a robust distributed calculation engine. Applicants should have proven programming skills in C#, C++, or Java, and a solid understandin ...

Senior Full Stack Engineer Remote (SC Clearance)

Searchability is seeking a Senior Full Stack Engineer in London (Remote) to design and build high-quality software solutions. In this role, you will collaborate closely with clients to deliver scalable systems and contribute to architectural decisions. The ideal candidate has proven experience in full stack deve ...

Senior Engineer

Location UK-London Shift Pattern Standard 40 Hour Week (United Kingdom) Scheduled Weekly Hours 40 Corporate Grade C - Vice President Reporting Line (UK Division) Information Technology Worker Type Permanent ...

Senior Engineer

Location UK-London Shift Pattern Standard 40 Hour Week (United Kingdom) Scheduled Weekly Hours 40 Corporate Grade C - Vice President Reporting Line (UK Division) Information Technology Worker Type Permanent ...

Principal Engineer Series A FinTech Scale Up

Principal Software Engineer - Up to £270k - Series A Scale-Up - Python, AWS I’m working on a really interesting platform scaling hire for a fast-growing Series A AI/fintech company in London. They’ve built a product that processes millions of sensitive financial doc ...

Principal Engineer Series A FinTech Scale Up

Principal Software Engineer - Up to £270k - Series A Scale-Up - Python, AWS I’m working on a really interesting platform scaling hire for a fast-growing Series A AI/fintech company in London. They’ve built a product that processes millions of sensitive financial doc ...

Principal Engineer Series A FinTech Scale Up

Principal Software Engineer - Up to £270k - Series A Scale-Up - Python, AWS I’m working on a really interesting platform scaling hire for a fast-growing Series A AI/fintech company in London. They’ve built a product that processes millions of sensitive financial doc ...

Senior Software Engineer in London Edgefolio

Senior Software Engineer London, United Kingdom Posted 10 months ago This is a job posted by our partner Jooble Tech stack web Python Software Engineer Django Responsibilities Responsible for the full ...

Senior Software Engineer in London Edgefolio

Senior Software Engineer London, United Kingdom Posted 10 months ago This is a job posted by our partner Jooble Tech stack web Python Software Engineer Django Responsibilities Responsible for the full ...

Engineering Manager, Services Lead UK Tech Teams London

A leading financial technology company seeks a Software Engineering Manager in London. You will lead engineering teams, influencing technical decisions and nurturing team culture. The ideal candidate has a strong background in leading software teams, particularly with backend technologies such as Java and AWS. T ...

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