Senior Java Python Engineer Jobs in UK

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Senior Backend Engineer, Banking Connectivity

A global financial tech company in London is seeking a Senior Software Engineer to build critical bank integrations for their Banking Connectivity platform. The successful candidate will work on backend systems using Java and engage in ensuring reliable data flows across financial institutions. This role offers ...

Senior CD Platform Engineer — Scale with Spinnaker

A global technology company is seeking a Senior Software Engineer to enhance the Continuous Delivery (CD) Platform. You will be integral in building a reliable infrastructure using your expertise in Java, cloud platforms, and containerization technologies. This role includes responsibilities such as managing the ...

Senior AI Driven Software Engineer

A technology company in Manchester is hiring a Senior Software Engineer to join their AI-augmented engineering team. This role involves designing multi-agent systems and refining AI-assisted workflows. Candidates should have at least 5 years of experience in software engineering, proficiency in Java and TypeScri ...

Senior Lead Software Engineer, Algo Trading & Execution

A leading global financial services firm in the City Of London seeks a Senior Lead Software Engineer to develop and enhance algo trading platforms. The role requires proficiency in Java and experience with high throughput messaging APIs. You will collaborate with global teams to innovate trading strategies, ensu ...

Senior Backend Engineer Core Payments (Milan Relocation)

A leading FinTech company is seeking a Senior Backend Software Engineer in London. This role involves engineering the core payment platform, optimizing services for fraud detection, and providing technical leadership across teams. Candidates should have over 5 years of experience, a strong background in Java and ...

Senior Software Performance Engineer JVM & Cloud Scaling

A global payments technology company in the UK seeks a Senior Software Performance Engineer to optimize performance and scalability of its systems. The ideal candidate has extensive experience in JVM performance tuning, Java profiling tools, and real-time data streaming. This hybrid role involves mentoring engin ...

Senior Software Engineer Business Expense Platform APIs

A global technology company is seeking a Senior Software Engineer to enhance their Business Expense Management team. This role involves designing and maintaining scalable services, collaborating on public APIs, and solving complex problems. Ideal candidates will have strong Java skills, experience with microserv ...

Senior Full Stack Engineer – FinTech, Scale & Mentorship

A leading FinTech company is seeking a Senior Full Stack Engineer to join their London team. The role involves designing and developing scalable applications using Java, Spring, and Angular. You'll lead full stack projects, mentor junior engineers, and collaborate with cross-functional teams. Ideal candidates wi ...

Senior Production Engineer & VP, Global Finance Tech

A major financial services firm in Greater London is looking for a Senior Engineer in Production Management. This role focuses on software development and requires strong Java skills and experience in leading engineering teams. Responsibilities include setting technical standards, contributing code, and owning k ...

Senior Software Engineer, Partner Integrations & Systems

Quantcast is seeking a Senior Software Engineer for its Partner Integrations team in Greater London. This role involves driving engineering initiatives, resolving cross-team bottlenecks, and supporting junior team members. Successful candidates will have at least 2 years of experience with distributed systems an ...

Senior Front End & Test Infrastructure Engineer (React/Bazel)

Teksystems is seeking a Senior Front-end Software Engineer to contribute to the migration of applications into a Bazel-based monorepo. The role involves shaping the technical roadmap for the test infrastructure and improving testing practices. Ideal candidates will have strong skills in React, Bazel, and Java, a ...

Machine Learning Engineer

London, UK – 3+ Years | Full-Time We are looking for a highly capable machine learning engineer to optimize our machine learning systems. You will be evaluating existing machine learning (ML) processes, performing statistical analysis to resolve data set problems, and enhancing the accuracy of our ...

Devops Engineer AWS

Direct message the job poster from GIOS Technology Senior Recruitment Consultant @ GIOS TECHNOLOGY | Experienced Recruiter, Talent Sourcer, Headhunter We are hiring for Devops Engineer - AWS for our client's project based at Glasgow, UK – 2-3 days per week Onsite ...

Senior Software Engineer

Apply as a Senior Software Engineer at Lloyds Banking Group Base pay range This range is provided by Lloyds Banking Group. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Hours Full time Worki ...

Software Founding Engineer – Visa Sponsorship Available

Job Title: Software Founding EngineerAgency: Selfin (YC F25)Location: United KingdomSalary/Rate: $100,000.00/yr – $200,000.00/yr Join as a Software Founding Engineer! Exciting opportunity with visa sponsorship. Shape the future with innovative tech solutions. With support fro ...

Data Engineer

Our people are what make our family great. As a proud family-run business, we see childcare as a profession, not just a job. We’re passionate about helping our teams grow and be the best they can be!Kids Planets is a prominent nursery group in the United Kingdom, currently operating at more than 250 loca ...

Senior Java Developer – AWS Cloud Platform (Developer III Software Engineering)

Overview Senior Java Developer – AWS Cloud Platform Nottingham – Hybrid (3 days onsite)Full time – permanentCandidates who require skilled worker visa’s being considered! We are seeking a Senior Software Engineer to design, develop, and deploy scalable, secure, and hig ...

Senior UI Developer £165k + Bonus London

Our client is a rapidly growing fintech start-up building next-generation technology for the FX and cryptocurrency trading markets . Their platform powers modern, high-performance trading infrastructure used by participants operating in fast-paced global financial markets. You’ll be joining ...

Data Tech Lead

Job Title: Data Tech Lead / Lead Data Engineer Location: LeedsEnsure all your application information is up to date and in order before applying for this opportunity.- Hybrid Salary: £80,000 to £100,000 Why Apply? Step into a senior, high-impact data engineering role where you'll shape technical strategy ...

Software Engineer Fixed Income Technology.

Software Engineer - Fixed Income TechnologyWe are seeking a talented, hands-on technologist to join our Fixed Income Technology team in London. This role will focus on building and enhancing intraday risk, trade, and portfolio management solutions used by portfolio managers, business management, and risk team ...

Software Engineer Fixed Income Technology.

Software Engineer - Fixed Income TechnologyWe are seeking a talented, hands-on technologist to join our Fixed Income Technology team in London. This role will focus on building and enhancing intraday risk, trade, and portfolio management solutions used by portfolio managers, business management, and risk team ...

Software Engineer

Software EngineerHampshire / Hybrid - 2 days per week onsite£60,000 - 65,000 per annumSC cleared The Opportunity Help deliver cutting‑edge software solutions. You’ll work on complex, real‑world challenges using modern technologies like machine learning, edge computing, and ...

Software Engineer

Software Engineer Hampshire / Hybrid - 2 days per week onsite £60,000 - 65,000 per annum SC cleared The Opportunity Help deliver cutting-edge software solutions. You'll work on complex, real-world challenges using modern technologies like machine learning, edge c ...

Data Engineer DV Cleared

Data Engineer Opportunity, DV-cleared onlyIncrease your chances of an interview by reading the following overview of this role before making an application.London Manchester BristolA progressive, leading-edge UK consulting and technology organisation is hiring Data Engineers to deliver mission-critic ...

Senior Full Stack Engineer for Monopoly GO! (Remote)

A leading game development company is seeking a Senior Full-Stack Software Engineer to join the Monopoly GO! team remotely. The role demands 5+ years in software development, proficiency in programming languages like C#, Java, or Go, and an understanding of Unity. Candidates will collaborate with a cross-functio ...

Senior Backend Engineer Scalable Cloud SDKs

A leading technology company in the UK is looking for a Senior Software Engineer to enhance their backend services. This role will involve designing and maintaining cloud-scale systems using Java or Scala, leading design efforts, and improving the overall developer experience for SDK customers. The ideal candida ...

Remote Scientific Software Engineer: Python for Open Source Simulations

A global research collaboration is seeking a Scientific Software Engineer to integrate and develop open-source tools for computational behavioral analysis and physics-based simulation. This fully remote role involves working with Python tools, tracking issues on GitHub, and enhancing software integration. Ideal ...

Remote UK Full Stack Engineer — Python/TS, Impact & Scale

A mental-health technology company is seeking a Full-Stack Software Engineer to develop and implement high-quality features. You'll write efficient code in Python and TypeScript, maintain application performance, and ensure security compliance. The role requires strong full-stack development experience and profi ...

Software Engineer (Python) (+ 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 opportuniti ...

Python Software Engineer – Up to £150,000 + Bonus & Benefits – London

Role: Python Software Engineer Location: London Compensation: £150,000 per annum + Bonus & Benefits Sector: Leading Fintech Overview We’re partnering with a prominent technol ...

Senior Python Developer Azure Scaling AI Platform. £90K. REMOTE

Overview Senior Python Developer with Azure experience and a footing with AI – UK Remote, up to £90,000. Role at Neologik. At Neologik.ai, we’re building an AI-driven platform on Azure to help companies deploy intelligent agents, automate workflows, and scale innovation. Base pay ra ...

Senior Python Full Stack Dev — Azure Databricks (London, SC)

A leading technology firm is seeking a skilled Senior Python Developer to enhance the Azure Databricks platform. This role involves full-stack development, focusing on both front-end and back-end applications. You'll work with modern frameworks and Python libraries, while also engaging in reverse engineering exi ...

Senior Software Developers/Engineers with Python, Terraform and Go

Senior Software Developers/Engineers with Python, Terraform and Go Our Client is looking to recruit brilliant Software Developers/Engineers with upwards of 7 to 10 years solid proven track record of developing complex applications with Python coupled with Machine Learning and ideally Go. We ...

Senior Python Developer Hybrid UK (3 days in office)

A leading technology firm in Bromley is seeking a highly skilled Mid-Senior level Python Developer to join their team. You will develop robust applications and leverage your expertise in Python, SQL, and Linux. The role requires strong leadership and communication skills, along with experience in Agile developme ...

Senior Automation Tester (Python) – Agentic AI & LLM Systems (Hybrid)

Job DescriptionSenior Automation Tester (Python) – Agentic AI & LLM Systems Location: Glasgow (Hybrid preferred but not essential)Start Date: ImmediateRight to Work: Must have full UK working rights (no sponsorship available due to star ...

Senior Automation Tester (Python) – Agentic AI & LLM Systems (Hybrid)

Job DescriptionSenior Automation Tester (Python) – Agentic AI & LLM Systems Location: Glasgow (Hybrid preferred but not essential)Start Date: ImmediateRight to Work: Must have full UK working rights (no sponsorship available due to star ...

Senior Front End/Python Developer Network Automation, Vice President

Job Description Networks as a Service (NAAS) is seeking a highly skilled senior level developer with network infrastructure experience add to our development team. Your goal is to deliver products to our global network team which will assist with the transformation to an automated netwo ...

Senior Automation Tester (Python) – Agentic AI & LLM Systems (Hybrid)

Senior Automation Tester (Python) – Agentic AI & LLM Systems (Hybrid) Contract Full Time / Part Time: Full Time At Resillion, our culture is built on a mindset of if you see something, say something — taking responsibility and speaking up. We expect everyone to a ...

Senior Crypto Quant Trader | Python/C++ & Data Driven Edge

HWTS Global is seeking a skilled professional in the Greater London area with a minimum of 3 years of crypto trading experience. The ideal candidate should possess strong knowledge in crypto asset processing and coding skills in either Python or C++. Strong attention to detail and the ability to communicate effe ...

Senior Automation Tester (Python) – Agentic AI & LLM Systems (Hybrid)

Job DescriptionSenior Automation Tester (Python) – Agentic AI & LLM Systems Location: Glasgow (Hybrid – 3 days per week on‑site)Start Date: ImmediateRight to Work: Must have full UK working rights (no sponsorship available due to start ...

Senior Automation Tester (Python) – Agentic AI & LLM Systems (Hybrid)

Job DescriptionSenior Automation Tester (Python) – Agentic AI & LLM Systems Location: Glasgow (Hybrid preferred but not essential)Start Date: ImmediateRight to Work: Must have full UK working rights (no sponsorship available due to star ...

Senior Automation Tester (Python) – Agentic AI & LLM Systems (Hybrid)

Job DescriptionSenior Automation Tester (Python) – Agentic AI & LLM Systems Location: Glasgow (Hybrid – 3 days per week on‑site)Start Date: ImmediateRight to Work: Must have full UK working rights (no sponsorship available due to start ...

Senior Automation Tester (Python) – Agentic AI & LLM Systems (Hybrid)

Job DescriptionSenior Automation Tester (Python) – Agentic AI & LLM Systems Location: Glasgow (Hybrid – 3 days per week on‑site)Start Date: ImmediateRight to Work: Must have full UK working rights (no sponsorship available due to start ...

Senior Automation Tester (Python) – Agentic AI & LLM Systems (Hybrid)

Job DescriptionSenior Automation Tester (Python) – Agentic AI & LLM Systems Location: Glasgow (Hybrid preferred but not essential)Start Date: ImmediateRight to Work: Must have full UK working rights (no sponsorship available due to star ...

Senior Front End/Python Developer Network Automation, Vice President

Job Description Networks as a Service (NAAS) is seeking a highly skilled senior level developer with network infrastructure experience add to our development team. Your goal is to deliver products to our global network team which will assist with the transformation to an automated netwo ...

Senior Automation Tester (Python) – Agentic AI & LLM Systems (Hybrid)

Job DescriptionSenior Automation Tester (Python) – Agentic AI & LLM Systems Location: Glasgow (Hybrid preferred but not essential)Start Date: ImmediateRight to Work: Must have full UK working rights (no sponsorship available due to star ...

Senior Front End/Python Developer Network Automation, Vice President

Job Description Networks as a Service (NAAS) is seeking a highly skilled senior level developer with network infrastructure experience add to our development team. Your goal is to deliver products to our global network team which will assist with the transformation to an automated netwo ...

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