Lead Software Engineer Python Java Jobs in London, UK

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Senior Software/DevOps Engineer High Frequency Trading Firm London

My client, a highly prestigious hedge fund, is seeking a DevOps Engineer with a strong developer background to join their Platform Engineering team in London. Embedded within a high-performing technology function, you will play a key role in evolving a modern, GitOps-driven ...

Senior Software Engineer | Typescript/PHP (Laravel) | Up to £100k

Senior Software Engineer | Typescript/PHP (Laravel) | Up to £100k We're working with a high-growth SaaS business hiring a Senior Software Engineer to join a collaborative product engineering team building software that supports complex operational and compliance workflows at scale. This i ...

Software Engineer (mid level) Scale up Product Company £90k

I am recruiting for a fast‑growing tech scale‑up that’s transforming how hospitality and retail businesses manage flexible staffing. They are a proper product‑driven technology company building a platform that connects businesses with high‑quality staff. You’ll be joining one of three cr ...

C++ Software Engineer Hybrid working £70,000 £350,000 Base (+ Bonus)

C++ Software Engineer - Hybrid working - £70,000 - £350,000 Base (+ Bonus) Job title: C++ Software Engineer Client: Elite Algorithmic Market Making Firm Location: London / Hybrid My client are seeking a C++ Software Engineer who will play a critical role in developing and ...

Staff Software Engineer Back End (Bangkok based, Relocation provided)

Staff Software Engineer - Back End (Bangkok based, Relocation provided) 2 weeks ago Be among the first 25 applicants About Agoda At Agoda, we bridge the world through travel. Our story began in 2005, when two lifelong friends and entrepreneurs, driven by their passion for travel, ...

Senior Software Engineer, Backend GTPN Platform (Relocate to Singapore)

About Airwallex Airwallex is the only unified payments and financial platform for global businesses. Powered by our unique combination of proprietary infrastructure and software, we empower over 200,000 businesses worldwide—including Brex, Rippling, Navan, Qantas, SHEIN and many more—with fully i ...

Senior Software Engineer (Hybrid) New London, England, United Kingdom

Location : Waterloo, London, England, UK | Hybrid (1 day per week in office) Who We Are At 8th Light, we bring life to the best ideas. Founded in 2006 and headquartered in Chicago, we are a technology solutions provider that partners with organizations to so ...

Senior software engineer, backend (Scala) (UK) in London Writer

Senior software engineer, backend (Scala) (UK) London, United Kingdom Posted over 1 year ago Tech stack Artificial Intelligence Scala Backend About this role Writer is seeking a talented Backend Engineer with deep funct ...

Software Engineer (Go/AWS) Scale up Product Company £90k

I am recruiting for a fast‑growing tech scale‑up that’s transforming how hospitality and retail businesses manage flexible staffing. They are a proper product‑driven technology company building a platform that connects businesses with high‑quality staff. You’ll be joining one of three cro ...

Staff Software Engineer, Android Growth Systems and App Foundations

Minimum qualifications Bachelor's degree or equivalent practical experience. 8 years of experience in software development. 5 years of experience testing, and launching software products. 5 years of experience with Android application development. 3 y ...

Software Engineer Trading Data Technology London, England, United Kingdom

Software Engineer - Trading Data Technology The Firm XTX Markets is a leading algorithmic trading firm which uses state‑of‑the‑art machine learning technology to produce price forecasts for over 50,000 financial instruments across equities, fixed income, currencies, commodities and crypto. ...

Senior Software Engineer EO Munich/London (d/f/m)

Personio's intelligent HR platform helps small and medium-sized organizations unlock the power of people by making complicated, time-consuming tasks simple and efficient. Our team of 1,500 Personios is building user-friendly products that delight our 15,000+ customers and their 1.5 million employees. Ready ...

Software Engineer – C#/.NET | Banking | Up to £100k + Bonus

Overview Software Engineer – C#/.NET | Banking | Up to £100k + Bonus My client is an elite global bank who are recruiting for a C#/.NET software engineer with a passion for performance, precision, and solving complex problems at scale. This software development team requires an agile and ve ...

Full Stack Software Engineer – Early Stage HealthTech/FinTech TWE42522

Overview Full Stack Software Engineer – Early-Stage HealthTech/FinTech - London. Permanent | Competitive Salary + Equity | Seed-Stage Startup | AI, FinTech, Healthcare. We are representing a well-funded, early-stage startup redefining financial visibility in the healthcare sector. Backed by ...

Senior Software Engineer (March 2025) in London Second Nature

Senior Software Engineer London, United Kingdom Posted about 1 year ago Tech Stack Amazon AWS NoSQL TypeScript React Native React Node.js JavaScript Qualifications Backend a ...

Senior Software Engineer — Own Impact with AI‑Driven Platform

Traveltechessentialist is seeking a skilled Software Engineer who thrives on ownership and collaboration. You will be responsible for the entire lifecycle of features, from understanding customer needs to design, coding, and deployment. This position emphasizes autonomy and technical excellence, requiring experi ...

Senior Software Engineer Cyber Cloud Deployments in London Hays

Senior Software Engineer - Cyber Cloud Deployments London, United Kingdom Technical Stack NestJS Node.js JavaScript TypeScript Amazon AWS CloudFormation CDK Terraform Security API ...

AI Driven Software Engineer for Contact Center (AWS Lex)

A dynamic software company located in the City of London is looking for a skilled developer with expertise in TypeScript and AWS services, particularly in implementing DevOps best practices. The ideal candidate will write efficient code and advocate for automated testing and infrastructure as code. This role req ...

Principal Software Engineer (Hybrid) New London, England, United Kingdom

Location : Waterloo, London, England, UK | Hybrid (1 day per week in office) Who We Are At 8th Light, we bring life to the best ideas. Founded in 2006 and headquartered in Chicago, we are a technology solutions provider that partners with organizations to so ...

Real time Media Software Engineer AI Driven & Hybrid DevOps

Cisco Systems, Inc. is seeking a Software Engineer for their Webex Real-time Media Engineering Group in London. The candidate will design, develop, and deliver enhancements for Webex products while working in a hybrid model. Ideal candidates should have over 10 years' experience in C++/C# programming and Linux d ...

Senior Back End Software Engineer Tech Shoreditch, London, UK

We're looking for an incredible back-end software engineer who can help us to develop the platform for our world-class product for modern charities. At Beacon we’re a growing technology startup building the best nonprofit‑focused CRM in the world. We passionately believe in the power of technology ...

Senior Software Engineer, Lending Platform — Build Global Credit APIs

A global financial platform company is seeking a Senior Software Engineer to architect and implement large-scale systems for a modern lending platform. Your role will involve designing and maintaining robust services, focusing on credit products, and ensuring efficient API performance. Candidates should have a B ...

Senior Software Engineer II Build Global Runner Training Platform

We're putting together a talented team to build the #1 training platform for Runners We help everyday runners become outstanding by building an incredible app providing world-class training, coaching and community for everyone, whether you're improving your 5k time or training for ...

Senior XR Software Engineer Real Time AR for Construction

A leading technology firm in the UK is seeking a Senior Software Engineer to contribute to the ATOM headset application layer. This role involves designing and optimizing user experiences and mentoring junior engineers. The ideal candidate has extensive software engineering experience, strong C++ skills, and exp ...

Senior Software Engineer Node/TS on AI Driven Cloud

A growing tech company in Greater London is seeking an experienced Senior Software Engineer to join their engineering team. In this role, you will design, develop, and operate business-critical features while mentoring fellow team members. The ideal candidate will have over 7 years of experience in back-end deve ...

Senior Software Engineer II — Build Next Gen Training Platform

A dynamic technology company in Greater London is seeking an experienced Engineer to architect, build, and deliver features across their platform. The ideal candidate will have at least 4 years of experience in frontend or backend development, with proficiency in TypeScript and React Native. The position offers ...

Senior Software/DevOps Engineer High Frequency Trading Firm London

My client, a highly prestigious hedge fund, is seeking a DevOps Engineer with a strong developer background to join their Platform Engineering team in London. Embedded within a high-performing technology function, you will play a key role in evolving a modern, GitOps-driven platform, workin ...

Senior AWS Software Engineer – Cyber & Defence (4‑Day Week)

A leading aerospace and defense company is expanding its team in London, offering an exciting opportunity for Software Engineers (AWS). You will engage in developing cutting-edge technologies in Defence, Cyber, and Intelligence programmes. The role requires skills in AWS deployment and a solid understanding of s ...

Software Engineer III iOS JPM Personal Investing Mid Level

Job Description Behind every investment is a person with ambitions, motivations and values. While we know that every client is unique, they come to J.P. Morgan Personal Investing for the same reason: our straightforward and transparent approach to investing, and the trust that 150 years of J.P. M ...

Staff Software Engineer at High growth EdTech AI Startup

This is a job that Jill, our AI Recruiter, is recruiting for on behalf of one of our customers. She will pick the best candidates from Jack's network. The next step is to speak to Jack. Staff Software Engineer Company Description High-growth EdTech AI startup building a ga ...

Staff Software Engineer Back End (Bangkok based, Relocation provided)

Staff Software Engineer - Back End (Bangkok based, Relocation provided) 2 weeks ago Be among the first 25 applicants About Agoda At Agoda, we bridge the world through travel. Our story began in 2005, when two lifelong friends and entrepreneurs, driven by their passion for travel, ...

Full Stack Software Engineer at well funded healthtech SaaS

Overview This is a job that Jill, our AI Recruiter, is recruiting for on behalf of one of our customers. She will pick the best candidates from Jack's network. The next step is to speak to Jack. Role Full Stack Software Engineer Company Description Company Descri ...

C++ Software Engineer Hybrid working £70,000 £350,000 Base (+ Bonus)

C++ Software Engineer - Hybrid working - £70,000 - £350,000 Base (+ Bonus) Job title: C++ Software Engineer Client: Elite Algorithmic Market Making Firm Location: London / Hybrid My client are seeking a C++ Software Engineer who will play a critical role in developing and ...

Software Engineer – C#/.NET | Banking | Up to £100k + Bonus

Overview Software Engineer – C#/.NET | Banking | Up to £100k + Bonus My client is an elite global bank who are recruiting for a C#/.NET software engineer with a passion for performance, precision, and solving complex problems at scale. This software development team requires an agile and ve ...

Full Stack Software Engineer – Early Stage HealthTech/FinTech TWE42522

Overview Full Stack Software Engineer – Early-Stage HealthTech/FinTech - London. Permanent | Competitive Salary + Equity | Seed-Stage Startup | AI, FinTech, Healthcare. We are representing a well-funded, early-stage startup redefining financial visibility in the healthcare sector. Backed by ...

Early Career Software Engineer — AI Ad Tech at Scale

A global advertising technology firm in Greater London is seeking Software Engineers to join their team. In this role, you will write code and design systems while collaborating with talented engineers to enhance automation and improve overall software reliability. Ideal candidates will have a degree in Computer ...

Senior Software Engineer | ML Infrastructure in London SoCode Recruitment

Ownership of Cloud Infrastructure Kubernetes, Terraform, CI/CD pipelines Build Clean, Modern Dashboards and Analytics Tools Using React or similar Lead on System Design, Performance Tuning, and Reliability What We're Looking For ~5+ years of professional... < ...

FX Software Engineer: Build the Next Gen Trading Platform

A financial software company in London is seeking a talented software engineer to join their innovative team. This role involves formulating business requirements, coding solutions, and interacting with high-profile clients in the FX industry. The ideal candidate holds a degree in Computer Science and has strong ...

Staff Software Engineer Front End (Bangkok based, Relocation provided)

Staff Software Engineer – Front End (Bangkok based, Relocation provided) Are you a visionary Front‑End architect seeking a new adventure? Lead Agoda’s front end transformation and drive seamless experiences for millions. Join our multilingual, multicultural engineering team in Bangkok and make a g ...

Asset & Wealth Management Software Engineer Associate / Vice President London

Your Impact The Asset Management (AM) Trading Engineering team is responsible for building and supporting a central function of the Asset and Wealth Management Division (AWM) with one of the top Asset managers in the world with over a 2.9 trillion dollars under management. The business manages mo ...

Kotlin Software Engineer III — Build Secure, Scalable Financial Tech

A prominent financial services firm in Greater London is looking for a Software Engineer III to join the FX Services Technology team. The role involves executing software solutions, designing high-quality production code, and contributing to a collaborative and innovative team culture. Ideal candidates will hold ...

Senior Software Engineer Build Scalable, End to End Platform

Join a dynamic and fast-growing tech company that is transforming the way businesses manage their spending. As a software engineer, you will play a crucial role in scaling our innovative platform, working with cutting-edge technologies like AWS and TypeScript. This is an exciting opportunity to make a significan ...

Senior Software Engineer: Cloud Native, End to End Ownership

Priority Pass is looking for a skilled software engineer to design and build scalable, cloud-native applications using TypeScript. As part of a cross-functional team, you will own features from design to deployment, with an emphasis on clean code and strong engineering practices. Ideal candidates should have 5+ ...

Senior Software Engineer I — Hybrid, Full‑Stack & AI/ML

Runna, an innovative app provider for runners, is looking for a talented Full Stack Developer to join their engineering team in London. You will be integral in architecting, building, and delivering features across their platform in a fast-paced environment. The role requires proficiency in TypeScript/JavaScript ...

Frontend Software Engineer Hungry Builder London £75 140k + equity

About Corgi Corgi is an AI-powered insurance company designed for tech startups. The company has raised $108M and holds regulatory approval as a licensed carrier. The platform is built on Django, utilizes Stripe for payments, and features AI-driven underwriting. <l ...

Backend Software Engineer High Intensity London £75 140k + equity

About Corgi Corgi is an AI-powered insurance company designed for tech startups. The company has raised $108M and holds regulatory approval as a licensed carrier. The platform is built on Django, utilizes Stripe for payments, and features AI-driven underwriting. <l ...

Principal Software Engineer (+ Equity) at stealth healthcare AI startup

Overview This is a role that TechTree is recruiting for on behalf of one of our clients. TechTree is an AI-driven recruitment platform working with high-growth companies. When you apply, our AI Agent matches you not just to this role, but to other relevant opportunities across our network, so one ...

Senior Software Engineer, Windows/Desktop Applications London, United Kingdom

Mission The mission of Speechify is to make sure that reading is never a barrier to learning. Over 50 million people use Speechify’s text-to-speech products to turn whatever they’re reading – PDFs, books, Google Docs, news articles, websites – into audio, so they can read faster, read mor ...

Senior Software Engineer with C# .net Fixed Income FX

C# .NET Software Developer with FX and Fixed Income Our Client is a niche boutique broker specialising in FX. They are looking to recruit a C# .NET Software Developer with at least 3 to 5 years proven track record of developing with C# .NET. The Client would like meet candidates i ...

Staff Machine Learning Software Engineer, Research London, United Kingdom

Staff Machine Learning Software Engineer, Research London, United Kingdom About us PhysicsX is a deep-tech company with roots in numerical physics and Formula One, dedicated to accelerating hardware innovation at the speed of software. We are building an AI-driven simula ...

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