Lead Software Engineer Python Java Jobs in London, UK

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Senior Manager of Software Engineering Java / React

Are you ready to make a difference and shape the future of technology? At JPMorganChase, you’ll be part of a dynamic team that thrives on innovation and collaboration. You’ll have the opportunity to grow your career, expand your skills, and work on projects that matter. We value your expertise and encour ...

Head of Software Architecture Java AWS AI

Head of Software Architecture (Java AWS Agentic AI) London / WFH to £130kOpportunity to progress your career working on a financial Tech for Good product in an impactful Head of Software Architecture role at a scale-up software house.The platform enables easier money transfer to people in ...

Manager of Software Engineering Low Latency Java

Join us to shape the future of global liquidity and cash management technology. You will have the opportunity to make a real impact by delivering innovative solutions that support our clients’ real-time needs. At JPMorganChase, you’ll collaborate with talented colleagues, grow your technical expertise, and he ...

Head of Software Architecture Java AWS AI

Head of Software Architecture (Java AWS Agentic AI) London / WFH to £130k Opportunity to progress your career working on a financial Tech for Good product in an impactful Head of Software Architecture role at a scale-up software house. The platform enables easier money transfe ...

DevOps Engineer – Integrations Team

DevOps Engineer – Integrations Team at RE Partners RE Partners is looking for a DevOps Engineer to join our DevOps Integrations team, where you will design and build user‑centric tooling that empowers development teams worldwide. You will be responsible for architecting and developing complex int ...

Senior Test Automation Engineer — Hybrid & Impactful Leadership

A dynamic challenger bank is seeking an experienced Test Automation Engineer to enhance their testing processes. In this role, you will collaborate with engineers, improve test coverage, and manage test pipeline issues. The ideal candidate will have a solid background in test automation and coding, particularly ...

Remote Senior Backend Architect Multitenant & IAM

A tech-driven educational platform in the UK is seeking a Senior Backend Engineer to architect high-performance server-side applications. You will lead the evolution of multitenant infrastructure while collaborating with product management throughout the product lifecycle. Required qualifications include deep ex ...

Fullstack Software Engineer Core

Join to apply for the Fullstack Software Engineer - Core role at Dataiku. Dataiku is The Universal AI Platform™, giving organizations control over their AI talent, processes, and technologies to unleash the creation of analytics, models, and agents. By providing no‑code, low‑code, and full‑code cap ...

Software Engineer II

Overview at The Trade Desk • London, United Kingdom Responsibilities As a Software Engineer II, you will be an end-to-end owner of high-scale backend infrastructure. You'll work on distributed systems handling over 1 trillion queries per day, solving complex algorithmic and op ...

Full Stack Engineer

Senior Full Stack Engineer (Java / Python) Location - London (2 days onsite) We are hiring a Senior Full Stack Engineer for a high-priority, ASAP-start contract role with a leading UK tech platform. This is a hands-on senior engineering position within an established team building ...

Software Engineer

Agentic Software Engineer | West London | Full-time | Hybrid (4 days onsite per week) Tech: AWS, Salesforce, Snowflake, Node.js, TypeScript, Python, React, GraphQL, Claude Code, Cursor, Copilot, Codex or similar agentic tools We're hirin ...

Software Engineer

Software Engineer | Full Stack Prop-tech startup tackling one of the UK’s most broken systems using AI-powered technology to drive real innovation.... watch this space The team is now looking to hire their 4th Engineer. They’re looking for someone who g ...

Software Engineer

About This team is building an AI Operating System that autonomously runs entire companies - every revenue motion, every product decision, every operational function - with compounding intelligence across all of them. The core insight: truly consequential AI requires ...

Software Engineer

Job title: Software Engineer Location: London We are currently working with an exciting space engineering company in London developing next-generation spacecraft technology and looking to add a Software Engineer to the team. About them: Our client are buildin ...

Software Engineer

Company Description Mitra Bio is building the future of skincare through epigenetics, longevity science, and data. Backed by Khosla Ventures, Illumina, and Innovate UK, we help people better understand their skin over time using simple, non-invasive skin sampling and advanced data ana ...

Software Engineer

Software Engineer Location: London Hybrid Model: 2–3 days in-office. Salary: £70,000 - £80,000 The Opportunity: Innovation at Enterprise Scale Join a leader in satellite com ...

Software Engineer

Software Engineer | Bazel London Hybrid work model - 3 days in the office, 2 days wfh Up to £600/day - Outside IR35 6 months contract with possible extensions </p ...

Software Engineer

Senior Software Engineer Engagement : Full‑Time Contractor Location : London / Hybrid Length: 12 month contract Role Summary We are seeking a software engineer spe ...

Software Engineer

Forward Deployed Engineer | Applied AI Systems I am partnering with a early-stage AI business building deeply integrated, real-world systems . Their platform is bespoke, embedding directly into customer environments to solve real workflow challenges ...

Software Engineer

Barrington James’s specialist Software & Electronics Division is currently searching for a Software Engineer on a full time permanent basis in West London, England. (This opportunity is hybrid with 3 days a week on site required) To be considered for this position: < ...

Software Engineer

Software Engineer – Real‑Time Python Systems (Front Office) A leading global investment bank is growing a front‑office engineering team responsible for building and owning high‑performance, real‑time systems used directly in live environments. This ...

Software Engineer

Do you love working on tech making a positive impact in the world? Looking to be part of a collaborate, innovate team? ♻ Software Engineer - Renewable Energy for Car Charging ♻ Package: Up to £80k + bonus + equity ...

Software Engineer

Software Engineer — AI x Finance What if your next role let you reinvent how the world’s most important business decisions are made — turning Excel into an AI-powered engineering environment? ...

Software Engineer

Founding Software Engineer — AI Voice What if your next role let you build a real-world AI workforce — where voice agents handle thousands of customer interactions and automate entire industries? ...

Software Engineer

Join a team developing a SaaS platform used to assess over £200bn of non-life insurance business. This is a mid-level software engineering role focused on production-grade Python development rather than research or one-off analysis. Hybrid role based in London (2 days per week in office) You will work ...

Software Engineer

Join a team developing a SaaS platform used to assess over £200bn of non-life insurance business. This is a mid-level software engineering role focused on production-grade Python development rather than research or one-off analysis. Hybrid role based in London (2 days per week in office) You will work ...

Software Engineer

Join a team developing a SaaS platform used to assess over £200bn of non-life insurance business. This is a mid-level software engineering role focused on production-grade Python development rather than research or one-off analysis. Hybrid role based in London (2 days per week in office) You will work ...

Software Engineer

Join a team developing a SaaS platform used to assess over £200bn of non-life insurance business. This is a mid-level software engineering role focused on production-grade Python development rather than research or one-off analysis. Hybrid role based in London (2 days per week in office) You will work ...

Software Engineer

Java Full Stack Engineer (Consultant – Senior Consultant) - Permanent Position Location: UK Remote / Hybrid Level: Consultant – Senior Consultant The Opportunity Consulting Point is representing a leading digital engineering consultancy currentl ...

Software Engineer

Java Full Stack Engineer (Consultant – Senior Consultant) - Permanent Position Location: UK Remote / Hybrid Level: Consultant – Senior Consultant The Opportunity Consulting Point is representing a leading digital engineering consultancy currentl ...

Software Engineer

Java Full Stack Engineer (Consultant – Senior Consultant) - Permanent Position Location: UK Remote / Hybrid Level: Consultant – Senior Consultant The Opportunity Consulting Point is representing a leading digital engineering consultancy currentl ...

Software Engineer

Senior Software Engineer Engagement : Full‑Time Contractor Location : London / Hybrid Length: 12 month contract Role Summary We are seeking a software engineer specialising in distributed data systems to design an ...

Software Engineer

Senior Software Engineer Engagement : Full‑Time Contractor Location : London / Hybrid Length: 12 month contract Role Summary We are seeking a software engineer specialising in distributed data systems to design an ...

Software Engineer

Senior Software Engineer Engagement : Full‑Time Contractor Location : London / Hybrid Length: 12 month contract Role Summary We are seeking a software engineer specialising in distributed data systems to design an ...

Software Engineer

Job Detils: Role Name : C# Developer Type : Contract – Inside IR35 Location : Bromley (BR1 1LR), UK Hybrid/Remote : Hybrid – 2 to 3 days per week onsite Start Date : ASAP Duration : 2 Years Job Description: • This ...

Software Engineer

Golang engineers x4: • Strong commercial experience building backend services in Golang (PHP experience is a bonus) • Proven experience designing and operating microservices architectures, ideally in production fintech or payments environments • Solid understanding of concurrent, distribu ...

Software Engineer

Golang engineers x4: • Strong commercial experience building backend services in Golang (PHP experience is a bonus) • Proven experience designing and operating microservices architectures, ideally in production fintech or payments environments • Solid understanding of concurrent, distribu ...

Software Engineer

Junior – Mid Software Engineer Shoreditch | Well-funded startup This one’s for the engineers who know they’re capable of more than their current role is letting them show. We’re working with a small, well-funded startup in Shoredit ...

Software Engineer

Software Engineer Contract to Permanent Hybrid (London) Rates negotiable Most backend systems look fine on paper until they hit production. This role is about building services that actually w ...

Software Engineer

GPU Infrastructure / Performance Engineer Read on to fully understand what this job requires in terms of skills and experience If you are a good match, make an application. London (Onsite) | Visa Sponsorship + Relocation Join a frontier AI company backed by NVIDIA, bui ...

Software Engineer

Senior / Staff Compute Platform Engineer Make sure to apply with all the requested information, as laid out in the job overview below. London (Onsite) | Visa Sponsorship + Relocation Join a frontier AI company backed by NVIDIA, building large-scale open-weight foundati ...

Software Engineer

Job Opportunity: Senior C# Quantitative Risk Developer | Capital Markets Technology Location: London Type: Full-time / Contract Rate: £800 p/d (Outside IR35) Client: Leading Global Investment ...

Software Engineer

Job Title: Software EngineerMaking sure you fit the guidelines as an applicant for this role is essential, please read the below carefully.Salary: Up to £42,500 depending on skills and experiencesLocation: Christchurch on site this role might require occasional travelWhat youll be doing:Desig ...

Software Engineer

Software Engineer - VB6 - Visual Studio - 6 months (Umbrella - inside IR35)You can get further details about the nature of this opening, and what is expected from applicants, by reading the below.We are partnering with a well-known client who is looking for a VB6 Developer focuses on delivering changes a ...

Software Engineer

Software Engineer Location: London Hybrid Model: 2–3 days in-office. Salary: £70,000 - £80,000 Do you have the skills to fill this role Read the complete details below, and make your application today. ...

Software Engineer

Software Engineer London / Hybrid | Perm Role £60,000 - £80,000 Find out exactly what skills, experience, and qualifications you will need to succeed in this role before applying below.Harrington Starr has partnered wit ...

Software Engineer

Software Engineer | Bazel Remember to check your CV before applying Also, ensure you read through all the requirements related to this role. London Hybrid work model - 3 days in the office, 2 days wfh Up to £60 ...

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