Lead Software Engineer Python Java Jobs in London, UK

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Python Developer

Overview Stott and May are supporting a global financial markets firm who are looking for a Python Software Engineer to join its high-performing development team, working on critical systems for one of Europe’s largest equities exchanges. The role combines hands-on coding with R&D, operational sup ...

Software Engineer II Mid Level (Belfast UK Office)

We are actively looking for a talented mid-level Software Engineer to contribute to the design and development of the SpiderRock Platform. We expect this individual to have a desire to learn, participate in engineering discussions, and contribute to the various components of the SpiderRock cloud, A ...

Senior Real Time Systems Architect (Hybrid, London)

Zeta is looking for a Senior Software Engineer in London to lead the development of real-time systems for the Zeta Marketing Platform. The role involves collaborating with teams to design scalable solutions and mentoring developers. Candidates should have extensive experience in software engineering, particularl ...

Remote AI Testing Lead: End to End QA for JVM Apps

LinuxRecruit in Greater London is looking for a Software Testing Engineer to join a forward-thinking organisation at the forefront of AI in software testing. In this role, you will lead testing projects and drive automation using JVM languages like Kotlin and Java. A strong foundation in software engineering and ...

Site Reliability Engineer Sports Betting in London Quant Capital

Site Reliability Engineer - Sports Betting London, United Kingdom This role requires knowledge of virtualisation and container concepts, skills in scripting with languages such as Python, Ruby, or Perl, and experience of Java and/or Scala-based applications and systems. Experience wo ...

Software/Senior Software Developer (Generative AI)

Avantra is looking for an energetic, self motivated, autonomous Senior Software Developer. We’re looking for someone who has a flair and passion for technology, who is able to push boundaries and suggest ideas to further improve processes to take the Avantra product to the next-level. We need someo ...

Principal Engineer (Java) up to £100,000 + Bonus Hybrid

Job Description Have you got the right qualifications and skills for this job Find out below, and hit apply to be considered.Principal Java Engineer (AWS / Microservices)Salary: Up to £100,000 + Bonus + BenefitsLocation: Coventry or Central London - Hybrid (2 days per week onsite)Working Hours: ...

Senior Software Developer

Senior Software Engineer (Python/Java, AWS) London, Manchester or Cheltenham - primarily on site £60,000-£75,000 per annum basic salary, with some flexibility at the top end for the right candidate £15,000-£20,000 per annum in additional compensation related to clearance and ...

QA Automation Engineer – Fintech Unicorn

Job Description The Role As a senior automation QA you will join a cross functional team building web based products from scratch. You will work closely with engineering leadership and product managers to ensure the highest quality is maintained and the products are re ...

QA Automation Engineer – Fintech Unicorn

Job Description The Role As a senior automation QA you will join a cross functional team building web based products from scratch. You will work closely with engineering leadership and product managers to ensure the highest quality is maintained and the products are re ...

Staff Software Engineer

In our always on world, we believe it's essential to have a genuine connection with the work you do. We are looking for a Staff Software Engineer to join our growing team in Singapore. You will work with a dynamic and focused team to develop state-of-the‑art big data applications in Analytics and ...

Software Engineer (Systematic Hedge Fund)

This is a hands‑on software engineering role within a systematic hedge fund where technology sits at the core of the business. The systems you build directly support trading, research, and core operations, and your work will have real, measurable impact. You’ll join a well‑established engineering te ...

Senior Java Architect Microservices & Cloud Platform Lead

A leading global financial services firm seeks a Senior Lead Software Engineer to join the International Consumer Bank division. In this role, you will architect, evolve, and promote solutions, ensuring alignment with stakeholders. The ideal candidate has extensive experience in software architecture, especially ...

Lead Software Engineer Cloud Native Banking (AWS)

A leading financial services firm is seeking an experienced Lead Software Engineer to join their International Consumer Bank team in London. This role involves delivering innovative cloud-native solutions and ensuring high-quality software throughout its lifecycle. The ideal candidate has strong Java skills, a s ...

Lead Software Engineer, Post Trade Tech & FinTech

A leading financial technology firm in Greater London is seeking a Lead Software Engineer to enhance and deliver secure, scalable technology products. This role involves collaborating on complex challenges, executing software solutions, and driving innovative outcomes. Candidates should have advanced proficiency ...

Senior Lead Java Engineer for Real Time Systematic Trading

A leading financial institution is seeking a Senior Lead Software Engineer in Greater London to design and develop trading strategies in a dynamic agile team. The role involves enhancing trading platforms and supporting execution for global markets. Candidates should have over 5 years of software engineering exp ...

Staff Software Engineer, Warehousing & Cloud Apps

Marks and Spencer is looking for a skilled software engineer to lead the development of robust backend systems and cloud applications. You will shape engineering standards and mentor fellow engineers, participating in a transformative journey towards a digital-first organization. The role demands experience in s ...

Server Side Java/AWS engineer

Senior Java/AWS Engineer - Regulatory Reporting (Financial Services) London (Hybrid) | Permanent We're hiring a Server-Side Java/AWS Engineer to join a global investment management firm's regulatory reporting team. This is a great opportunity to work on business-critical systems that supp ...

Senior Software Engineer I Account Communications

Senior Software Engineer I - Account Communications Full-time Compensation: GBP 87,500 - GBP 111,000 yearly What will you be working on? Key focus areas for the team are: Improving delivery reliability and visibility across all communication ...

Java Developer with Fixed Income

Net2Source Inc. is one of the fastest growing diversity certified global workforce solutions companies with an unprecedented YoY growth of over 100% for last 6 years working with Fortune 1000/Global 2000 across 34 countries and 5 continents including North America, South America, Europe, Asia, Australia an ...

Senior Lead Software Engineer Backend Engineer Chase UK

At JP Morgan Chase, we understand that customers seek exceptional value and a seamless experience from a trusted financial institution. That's why we launched Chase UK to transform digital banking with intuitive and enjoyable customer journeys. With a strong foundation of trust established by millions of c ...

Senior Lead Software Engineer Backend Engineer Chase UK

Job Description At JP Morgan Chase, we understand that customers seek exceptional value and a seamless experience from a trusted financial institution. That's why we launched Chase UK to transform digital banking with intuitive and enjoyable customer journeys. With a strong foundation of trust es ...

Senior Lead Software Engineer Backend Engineer Chase UK

At JP Morgan Chase, we understand that customers seek exceptional value and a seamless experience from a trusted financial institution. That's why we launched Chase UK to transform digital banking with intuitive and enjoyable customer journeys. With a strong foundation of trust established by millions of c ...

Senior Lead Software Engineer Backend Engineer Chase UK

At JP Morgan Chase, we understand that customers seek exceptional value and a seamless experience from a trusted financial institution. That's why we launched Chase UK to transform digital banking with intuitive and enjoyable customer journeys. With a strong foundation of trust established by millions of cust ...

Senior Lead Software Engineer Backend Engineer Chase UK

At JP Morgan Chase, we understand that customers seek exceptional value and a seamless experience from a trusted financial institution. That's why we launched Chase UK to transform digital banking with intuitive and enjoyable customer journeys. With a strong foundation of trust established by millions of cust ...

Contract Azure Data Engineer GBP600/pd Outside IR35

Contract Azure Data Engineer - £600/pd Outside IR35 Please note - this is a London based role which will require you to attend the London office three days per week. To be eligible for this role you must be based in the UK and have the unrestricted right to work in the UK. My client is look ...

Senior Software Engineer in London

Senior Front Office Software Engineer – Real‑Time Trading Systems Contract – Inside IR35 £700 - £1100 per day London – Hybrid (3 days in office) The Short Version. You must be a senior software engineer with experience in trading environment ...

Senior Security Engineer & Full Stack (React/Java)

A global financial services leader located in London seeks a Lead Security Engineer with expertise in delivering secure software solutions. The ideal candidate will design, code, and test applications using Java and React, resolve production issues, and ensure a secure, agile development process. Key qualificati ...

Remote Principal Java Engineer & Tech Leader

Solirius Reply is seeking a Principal Engineer specializing in Java to drive innovation and lead technical teams. The ideal candidate will have strong experience in software architecture and a passion for problem-solving. Responsibilities include managing the full software lifecycle, liaising with stakeholders a ...

Web & Emerging Modalities Engineer — Full Stack Innovator

Amazon is looking for a Software Development Engineer for the Prime Video team in London. You will work on innovative customer experiences and lead projects using full-stack web technologies and AWS. Ideal candidates have experience in professional software development, proficiency in Java, C++, or C#, and are e ...

Senior Software Engineer

Job Description Scroll down the page to see all associated job requirements, and any responsibilities successful candidates can expect.Senior Software Engineer (Backend)London - Hybrid (3 days in office) Up to £85k + benefits What if the systems you built were used every day by mi ...

Technical Lead Java Engineer Ultra Low Latency Trading Systems

Overview Technical Lead Java Low Latency Engineers required to help build the next generation of ultra-low latency eTrading and pricing platforms within a leading Front Office FX technology environment. This is a true Front Office engineering role working directly with trading, quant, and ...

Technical Lead Java Engineer Ultra Low Latency Trading Systems

Technical Lead Java Low Latency Engineers required to help build the next generation of ultra-low latency eTrading and pricing platforms within a leading Front Office FX technology environment. This is a true Front Office engineering role working directly with trading, quant, and pricing teams on sy ...

Lead Java Engineer for Sterling OMS & SIP (6 mo)

Mindera is looking for an experienced Java Engineer to join the team in Greater London. This role requires strong expertise in IBM Sterling Order Management System and Sterling Intelligent Promising. The responsibilities include designing and developing custom Java components, implementing workflows, and integra ...

Systematic Trading Execution Platform Java Senior Lead eSoftware Engineer

Be an integral part of an agile team that's constantly pushing the envelope to enhance, build, and deliver top‑notch technology products. As a Senior Lead Software Engineer at JPMorgan Chase within the Equities Trading Technology Organization, you will be part of an agile team that works to enhance ...

Senior Full Stack Engineer — React & Python Lead, Health Tech

The React Hub is seeking a Senior Fullstack Engineer based in Central London. This role requires at least 8 years of experience in fullstack development with strong skills in React and Python. The successful candidate will lead a growing team within an AI health-tech environment, working on impactful products th ...

Senior Python Lead Engineer — Shape Next Gen Hardware Design

Circuit Mind is hiring a Lead Software Engineer to create innovative software solutions for electronic circuit boards. The role involves collaboration with product and hardware teams, designing and developing backend systems using Python and other modern technologies. Candidates should possess extensive software ...

Lead Backend Engineer Cloud Native Microservices

A major global banking institution is seeking a Lead Software Engineer to develop cloud-native applications in a collaborative environment. The ideal candidate will possess strong Java programming skills and experience with cloud technologies, particularly AWS. Responsibilities include delivering end-to-end solu ...

Senior Software Engineer, Lending Platform

A leading fintech company in the UK seeks a Senior Software Engineer to architect and implement robust systems for a new lending platform. The successful candidate will design secure APIs and lead engineering teams to provide seamless credit solutions for enterprise clients. Required qualifications include 5+ ye ...

VP, Full Stack Engineering – Lead Scalable, Secure Systems

A leading financial services firm is seeking a Vice President, Full Stack Engineer to lead high-impact engineering teams in London. This role requires proven leadership in software engineering, deep Java expertise, and strong DevOps practices. The ideal candidate will own the end-to-end delivery of critical soft ...

Lead Backend Engineer – Trading Platforms & Systems

Marks and Spencer is seeking a Software Engineer to join their team in London. You will lead software development, provide technical leadership, and mentor fellow engineers. The position demands a strong engineering background with proven experience in back-end systems, cloud technologies, and agile practices. A ...

Senior Software Engineer, Agentic Infrastructure, GBO Engineering

Senior Software Engineer, Agentic Infrastructure, GBO Engineering London, UK Mid Experience driving progress, solving problems, and mentoring more junior team members; deeper expertise and applied knowledge within relevant area. Apply Bachelor’s degree or e ...

Junior Java Developer Python, Ruby, Fintech50 in London Quant Capital

Job Opening: Junior Java Developer Location: London Salary: £45,000-50,000 + bonus Quant Capital is urgently seeking a Junior Java Developer to join our high profile client. Our client is an established financial data technology startup, addressing challenges within the ...

Principal Software Engineer

Overview I'm working with a software company that's looking for a Principal Software Engineer to join their team. They have developed a product that utilises data analytics and machine learning to optimise inventory data, built primarily on Java. This is a key role where you'll tak ...

eDV Software Engineers London/hybrid

eDV Cleared Contract Software Engineer (All Tech Stacks) £600 - £850 per day Inside IR35 London / hybrid Candidates MUST hold ACTIVE enhanced DV Clearance Scot Lewis is partnered with a number of world leading technology companies, consultancies and ...

Low Latency Linux Engineer Optimise low latency trading infrastructure

Overview Consultant at Saragossa - Creating competitive advantage for investment technology organisations. Low Latency Linux Engineer - Optimise low-latency trading infrastructure for an HFT trading firm and bridge the gap between Application and Platform. Responsibilities Pus ...

Senior Software Engineer I Backend (Java) Business Accounting Integrations and Reporting

Senior Software Engineer I - Backend (Java) - Business Accounting Integrations and Reporting Full-time Compensation: GBP 85,000 - GBP 105,000 - yearly Wise is a global technology company, building the best way to move and manage the world’s money.Min fees. ...

Software Engineer (Python/ C++) Up to £200k 1st year compensation (Cash)

Software Engineer (Python/ C++) - Up to £200k 1st year compensation (Cash) Salary: Up to £200k 1st Year Compensation (Pure Cash) Location: London (Flex-Remote Options) Skills: Python and/or C++ expertise preferred This firm is ...

Senior SDE: CloudFront Control Plane & Global Scaling

Amazon is seeking a Senior Software Development Engineer in Greater London, UK. In this role, you will lead the development of key initiatives and work with cross-disciplinary teams to design and deliver innovative products and services. Ideal candidates have experience in building complex software systems and p ...

Software Developer

Skills: Java, Python, Spring, Kafka, GCP Description We are looking for a skilled and detail-oriented Java Developer to join our development team. You will be responsible for designing, implementing, and maintaining high-performance, scalable Java applications that support our ...

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    Lead Software Engineer Python Java Jobs in London Job Search Guide, Trends and Insights