Lead Software Engineer Python Java Jobs in London, UK

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Backend Engineer II — High Scale Distributed Systems (Equity)

Software Careers is seeking a Software Engineer II in London to take ownership of high-scale backend infrastructure. This role involves working with distributed systems processing over 1 trillion queries daily and solving complex algorithmic challenges. Ideal candidates should have proficiency in C#, Java, C++, ...

Mission Driven Field Software Engineer

A dynamic technology company is seeking a Forward Deployed Engineer to deliver innovative technical solutions in complex environments. This role involves architecting software for national security and commercial needs. Candidates should have a strong background in software engineering, particularly with Python ...

Senior Platform Engineer, Unified Data & Tools

A leading trading firm in Greater London is seeking a Senior Software Engineer to join their Unified Platform team. The role involves developing tools that enable business opportunities and working with data at scale. Ideal candidates will have 2-3 years in software development, strong skills in Java or Python, ...

Mission Software Engineer Connected Warfare Systems

A defense technology company is seeking a Mission Software Engineer to integrate third-party systems with their products. The role requires a strong software engineering background and at least 3 years of experience in languages such as Java, Python, and C++. Responsibilities include developing architecture, cre ...

Senior Software Engineer, Total Portfolio Trading Tech

A leading investment organization in London is seeking a Senior Software Engineer for their Total Fund Management Trading team. This role involves designing and supporting technology solutions, primarily in an Agile environment. Candidates should possess over 5 years of experience in software development and be ...

Salesforce Integrations Engineer Hybrid (London)

A leading AI-powered communications platform in Greater London is seeking a Software Engineer to develop its Salesforce integration and other apps. This hybrid role involves collaborating with engineering and product teams to enhance customer experiences. Candidates should have 3+ years of experience in software ...

Python AI Engineer

Python AI Engineer with Databricks exposure Overview We are looking for a Python AI Engineer (with Databricks exposure) with hands-on experience in Generative AI, backend development, and database-driven applications. The role involves designing and building A ...

Python Automation Engineer

If you need support in completing the application or if you require a different format of this document, please get in touch with at or call TCS London Office number / with the subject line: “Application Support Request”. ...

Principal Java Engineer

Hello from RE Partners! Who We Are: We are a fast growing business and technology consultant company co-founded in 2019. We offer a custom-tailored, white-glove engineering service fit for our clients, because a digital transformation is more than just technology. Wi ...

Senior Python Engineer

Hungry for a challenge? That’s good, because at Just Eat Takeaway.com (JET) we believe everything is possible, or, as we say, everything is on the table. We are a leading global online food delivery marketplace. Our tech ecosystem connects millions of active customers with hundreds of thousand ...

Backend Java Engineer

AMS is a global workforce solutions partner committed to creating inclusive, dynamic, and future-ready workplaces. We help organisations adapt, grow, and thrive in an ever-evolving world by building, shaping, and optimising diverse talent strategies.Our Contingent Workforce Solutions (CWS) is one of our s ...

Senior Java Engineer

Senior Backend Engineer - Java Location: London (Hybrid) | Practice Area : Technology & Engineering Type: Permanent Power the platforms behind modern finance. Shape cloud-native solutions with Java at their core. The Role ...

Python AI Engineer

Python AI Engineer with Databricks exposure Overview We are looking for a Python AI Engineer (with Databricks exposure) with hands-on experience in Generative AI, backend development, and database-driven applications. The role involves designing and building AI-enabled applicatio ...

Python AI Engineer

Python AI Engineer with Databricks exposure Overview We are looking for a Python AI Engineer (with Databricks exposure) with hands-on experience in Generative AI, backend development, and database-driven applications. The role involves designing and building AI-enabled applicatio ...

Python AI Engineer

Python AI Engineer with Databricks exposure Overview We are looking for a Python AI Engineer (with Databricks exposure) with hands-on experience in Generative AI, backend development, and database-driven applications. The role involves designing and building AI-enabled applicatio ...

Principle Java Engineer

Job Description Applying for this role is straight forward Scroll down and click on Apply to be considered for this position.Principle Java Engineer • Salary to £70k + Company Options Scheme • Hybrid working between your home, their offices (London Vauxhall) & client sites. <p ...

Financial Engineer (Python)

Deutsche Bank is a global banking business with strong roots in Germany and operations in over 70 countries. Their large but focused footprint gives an established position in Europe plus a significant presence in the Americas and Asia Pacific. There are four business divisions: the Corporate Bank, the Invest ...

Senior Python Engineer

Hungry for a challenge? That s good, because at Just Eat Takeaway.com (JET) we believe everything is possible, or, as we say, everything is on the table. We are a leading global online food delivery marketplace. Our tech ecosystem connects millions of active customers with hundreds of thousands of connected part ...

Senior Software Engineer – Full Stack & Scalable Systems

GOOGLE is looking for a Software Engineer in Greater London to develop next-generation technologies that impact billions of users. You'll participate in design reviews, review code for best practices, and work on full-stack development using languages like Java, Python, and JavaScript. A Bachelor’s degree or equ ...

ML Software Engineer: Build Production Models

Starling is seeking a skilled Software Engineer to join their ML Projects team in Greater London. This role requires building and maintaining features that utilize machine learning models within their banking platform. Candidates should have a strong background in software engineering, experience in delivering s ...

Software Engineer II – Creatives (Global Backend)

The Trade Desk, Inc. is looking for a Software Engineer to design and build data-focused products. This role involves the full software development lifecycle, collaboration with a diverse team, and addressing unique technical challenges in a global environment. Candidates should have a Bachelor's/Master's degree ...

Backend Engineer Crypto Trading Platform (Go)

Talos, based in London, is seeking a Software Engineer to build high-performance backend systems for crypto trading. You will work on various components including order routing and risk systems, ensuring performance and security in a fast-paced environment. Candidates should have over 3 years of software enginee ...

Senior Software Engineer (AVP) – Global Finance Tech

Citi is seeking a Senior Software Engineer in Greater London to develop robust software solutions. You will work collaboratively with product teams to address complex business challenges. The ideal candidate has a Bachelor's degree in a relevant field and strong proficiency in Java, React, or Python. Enjoy a hyb ...

Global Impact FDSE: End to End Solutions Architect

A leading software company based in Greater London seeks a Forward Deployed Software Engineer to design and implement solutions addressing complex customer challenges. You will work on impactful projects, leveraging technologies to drive real outcomes. Candidates should have at least 1+ years of programming expe ...

PKI & Identity Security Software Engineer

A leading recruitment agency is seeking a talented software engineer to develop high-volume PKI solutions in an agile environment. The ideal candidate will have experience with Go, Java, C++, or Python, and possess knowledge of full-stack applications, REST APIs, and DevOps principles. Strong communication skill ...

Senior GenAI Platform Engineer

A global information provider is seeking a Senior Software Engineer II to drive architectural decisions and develop generative AI services. The ideal candidate should have over 5 years of software engineering experience, deep expertise in Python or Java, and strong experience with Kubernetes. Responsible for des ...

Platform Engineer: Distributed Systems & Cloud

A leading technology company in London is seeking a skilled software engineer to join their Platform Engineering team. The role involves building and maintaining critical financial infrastructure, working on high-availability distributed systems, and enhancing developer tooling. Ideal candidates will have 3+ yea ...

FICC Platform Engineer AI Driven Trading Infra

A leading global investment banking firm is seeking an FICC Engineer to develop software solutions for buying and selling financial instruments. Ideal candidates have a STEM degree, strong programming skills in Java or Python, and expertise in AI-assisted development. You'll work closely with traders and sales t ...

Senior Software Engineer, Unified Platform Global Markets

A leading trading firm in the UK is seeking a Senior Software Engineer to join their Unified Platform organization. This role involves developing tools for data acquisition, storage, and visualization, while collaborating closely with analysts and traders. The ideal candidate will have 2-3 years of software deve ...

Senior Software Engineer, Unified Platform Global Markets

A diversified trading firm in Greater London is seeking a Senior Software Engineer to join their Unified Platform team. The role involves developing software solutions for data acquisition and visualization while collaborating closely with internal users. Candidates should have strong experience in Java or Pytho ...

Senior Python Engineer

Senior Python Engineer Department: Global Security Services Employment Type: Permanent - Full Time Location: UK - London Description Working within our Cyber Data Services team, which is at the core of our Proactive Insurance product offer ...

Senior Java Engineer

Position Type: Future Opening – Talent Pipeline The Opportunity We are always on the lookout for the brightest Java engineers in our London and Nottingham locations to help us build robust, enterprise-grade solutions that drive real-world impact. Although we do not have an immedia ...

Python AI Engineer

Python AI Engineer with Databricks exposure Overview We are looking for a Python AI Engineer (with Databricks exposure) with hands-on experience in Generative AI, backend development, and database-driven applications. The role involves designing and building A ...

Python Automation Engineer

If you need support in completing the application or if you require a different format of this document, please get in touch with at or call TCS London Office number / with the subject line: “Application Support Request”. ...

Principal Java Engineer

Hello from RE Partners! Who We Are: We are a fast growing business and technology consultant company co-founded in 2019. We offer a custom-tailored, white-glove engineering service fit for our clients, because a digital transformation is more than just technology. Wi ...

Backend Engineer Python

Backend Engineer - PythonLondon - HybridSalary up to 80k We are seeking a Backend Engineer to design and scale backend systems, helping to build automated solutions for regulatory reporting and risk platforms. You will play a key role in developing data pipelines, improving system ...

Python AI Engineer

Python AI Engineer with Databricks exposure We are looking for a Python AI Engineer (with Databricks exposure) with hands‑on experience in Generative AI, backend development, and database‑driven applications. The role involves designing and building AI‑enabled applications, developing APIs and se ...

Senior Java Engineer

Senior Java Engineer – Product Engineering | B2B SaaS | Insurtech Up to £120,000 per annum plus bonus and excellent pension London – 2 days a week Java | Spring Boot | AWS | Kubernetes | Event-Driven Architecture Senior Java Engineer – We have b ...

Java Identity Engineer

We are seeking an experienced Java Identity Engineer to design, develop, and support secure authentication and authorisation solutions across enterprise applications and APIs. The ideal candidate will have strong Java backend engineering experience combined with deep knowledge of Identity and Access Manage ...

Senior Python Engineer

We are seeking experienced engineers to join our client projects. You will be responsible for engineering global scale software systems in banking, hedge funds and other financial institutions. We’re looking for engineers that can build using modern cloud‑native principles, employ leading and open‑source t ...

Python Engineer Consultancy

Responsibilities Rebuild and refactor Legacy automation scripts into Python-based microservices Contribute to the design and implementation of a new automation framework Analyse existing functionality and determine what should be retained, refactored, or removed <l ...

Senior Python Engineer

Senior Python Engineer Department: Global Security Services Employment Type: Permanent - Full Time Location: UK - London Description Working within our Cyber Data Services team, which is at the core of our Proactive Insurance product offer ...

Principal Engineer (Python)

Are you passionate about using your technical skills to make a real-world impact? This is your chance to join a market leader in technology for good – a company setting the UK’s standard in the medical and research fields. They are searching for accomplished leaders who want to shape the future of m ...

Senior Java Engineer

We’re looking for a Senior Java Engineer to join a high‑performing Electronic Trading engineering team working on low‑latency, high‑throughput systems at scale. This role offers the opportunity to build and evolve mission‑critical trading platforms , working closely w ...

Senior Python Engineer

Hungry for a challenge? That’s good, because at Just Eat Takeaway.com (JET) we believe everything is possible, or, as we say, everything is on the table. We are a leading global online food delivery marketplace. Our tech ecosystem connects millions of active customers with hundreds of thousand ...

Senior Python Engineer

Tickerface is building the world's first shoppable content monetization platform. We believe shopping should be a fun and interactive experience. Our product lets content publishers enable their audience to buy products from any retailer without losing their attention. Content no longer needs to be ...

Junior Java Engineer

Overview Quant Capital is urgently looking for a Junior Software Engineer with Core Java skills to join our high profile client, a Systematic Trading Hedge Fund. The client is known for technology focus, openness to opensource tools, scalability and robust performance. They currently manage around £2 ...

Senior Java Engineer

As a Senior Java Developer within Core Team, you will play a crucial role in the development of our Back Office and integration services. This position provides the opportunities to work on several greenfield projects, from concept designs to deploying and implementation, but also gain production experienc ...

Staff Java Engineer

Role Senior Java Software Engineer Salary £80,000 to £95,000 base salary Location London Paddington – Hybrid, 3 days a week The Company WeDo is working with a global fintech organisation operating at significant scale within the payments space ...

Senior Java Engineer

Boogi is seeking a Senior Java Engineer to help build and scale our rewards platform. Boogi powers some of the world’s most innovative fintechs, including Capital on Tap & Trading 212 helping them scale through cashback and product-based rewards. Our platform delivers the of ...

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