Senior Software Engineer Pythonjava Jobs in UK

Professional job seekers finding United Kingdom jobs through Expertini
750,000+ professionals on Expertini 750,000+ Candidates
Join our global community
Expertini Penguin Mascot Resume Score™
Resume Score™ Instantly
Upload Your CV
Quick 30-second process

Apply Today & Jumpstart Your Career on Expertini, Trusted Since 2008.

Reset

Create Job Alert

 
   
Reset

Senior C++ Game Software Engineer – Hybrid (UK)

Electronic Arts in Southam, UK, is looking for a Software Engineer to develop cutting-edge technology and features for EA SPORTS FC. In this hybrid role, you will collaborate with teams to enhance the gaming experience, requiring over 5 years of software engineering and expertise in C++. Attractive benefits incl ...

Senior Software Engineer — Web Apps & .NET Mastery

Norstella is seeking a Mid to Senior Software Engineer in London to focus on building and maintaining web-based products. The ideal candidate should have strong technical skills, particularly in C#, HTML, and JavaScript, and be capable of translating business requirements into working software. Responsibilities ...

Senior Software Engineer – Property Based Testing (London)

Antithesis Operations LLC is seeking a developer based in London to help build ‘Hegel’, an innovative set of property-based testing libraries. The role requires experience with property-based testing and familiarity with Python and Rust. This in-office position values collaboration and high engineering standards ...

Senior Lead Software Engineering AI/ML Engineer

Join us to shape the future of AI/ML data platforms, where your expertise will help create resilient and market‑leading solutions. You will have the opportunity to collaborate with innovators across our global network, driving strategic change and mentoring others. We value your skills in solving complex c ...

Senior Software Engineer Hybrid, Big Data & Cloud

MI5 is seeking a Senior Software Engineer in Cheltenham. The role involves solving mission-critical challenges and contributing to both new and existing systems' architecture. You will work with diverse methodologies and collaborate with stakeholders. Salary ranges from £50,354 to £60,036, plus benefits includin ...

Senior Software Engineer – Real Time Trading UI

Miller Maxwell Ltd is seeking a Senior Software Engineer to enhance bespoke user interfaces and platform features for proprietary trading systems. The role involves collaboration with front-office teams, focusing on high-performance UI development and innovations in trading technology. Candidates should have exp ...

Senior Software Engineer FinTech API & Cloud Platform

AJ Bell is seeking a Senior Software Engineer to join their Operational and Regulatory Technology department. The successful candidate will work in a collaborative team environment, guiding development teams to deliver high-quality products. Key responsibilities include mentoring, addressing architectural needs, ...

Senior Software Engineer C, C++ and Linux

Job Description About Us Magentus has been at the forefront of transforming healthcare through technology across Australia and the UK for over 30 years. From pathology and radiology to oncology, and practice management, our solutions connect the healthcare ecosystem and unlock better pati ...

Senior Software Engineer (C# / .NET) Team Lead

About Caxton Associates Caxton Associates, founded in 1983, is a global trading and investment firm with offices in London, New York, Singapore, Monaco, Dubai and Bengaluru. Caxton Associates’ primary business is to manage client and proprietary capital through a suite of products designed to fit ...

Senior Software Engineer – Equity Market Making Platform

Marex Group in Greater London is looking for a Senior Software Developer to drive the architecture of their Equity Market Making Trading Platform. The ideal candidate should have over 10 years of experience in software engineering, proven skills in scalable, distributed systems, and leadership potential. Your re ...

Senior Software Engineer — AI‑First Learning Impact

Multiverse is seeking a Senior Engineer to join their team in Greater London. The role focuses on designing and leading complex technical initiatives using React and TypeScript while mentoring mid-level engineers. You will navigate high-ambiguity technical landscapes and ensure quality coding standards. With a c ...

Senior Software Engineer AI Fintech foundation (UK)

About the Team Hopper's Fintech Foundation team sits at the centre of the company's mission: reshaping how more than 100 million monthly active users experience travel. It owns the pricing engine that balances customer demand against financial risk across dozens of partners - including Capital On ...

Senior Software Engineer: AI Driven Hybrid Role

INSHUR is looking for a Senior Software Engineer III to work in a hybrid role in Brighton, helping to pioneer AI-augmented engineering. You will be responsible for delivering customer value through innovative product development while collaborating with teams using cutting-edge AI tools. The role requires profic ...

Senior Software Engineer (Full Stack Python/TypeScript)

Our Future Healthis an ambitious collaboration between the public, charity and private sectors, designed tohelp people live healthier lives for longer through better prevention, earlierdetectionand improved treatment of diseases. We will speed up the discovery of new methods of early disease detection, and ...

Senior Software Engineer — Hybrid/Remote, React & Node

Oliver Bernard is seeking a Senior Developer to work at a leading finance company in Reading. This role offers the opportunity to be a part of a high-performance development team during an exciting growth phase. The ideal candidate should have over 5 years of commercial experience, especially with React and Node ...

Senior Software Engineer Elixir/Phoenix & Rails (Remote)

A technology company in the United Kingdom is seeking a Senior Software Engineer to enhance their software solutions aimed at connecting college babysitters with families. The role requires strong expertise in Elixir and Phoenix, as well as Ruby on Rails and mobile app development. Join a remote-friendly team an ...

Senior Software Engineer Hybrid, Siemens TIA Portal

Samuel Frank is seeking a Senior Software Engineer to join a growing automation business delivering automated warehouse systems across the UK. The role involves software development with Siemens TIA Portal, focusing on automated systems including palletisers and conveyors. Candidates should have strong Structure ...

Senior Software Engineer Video Forensics Lead (London)

Axon Enterprise, based in London, is seeking a seasoned Software Engineer with over 8 years of experience to lead the development of advanced Video Forensics capabilities. The role involves cross-team collaboration and mentoring team members. This position operates on a hybrid work schedule, requiring in-office ...

Security Cleared Senior Software Engineer: Cloud & Backend

Forwardrole is looking for a Senior Software Engineer based in Cheltenham, England. In this role, you'll design, develop, and maintain vital infrastructure while tackling complex challenges and using cutting-edge technology. The ideal candidate will have strong hands-on experience in Java, JavaScript, or Python, ...

Senior Software Engineer 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. Corgi’s platform is built on Django, utilizes Stripe for payments, and features AI-driven underwriting. The company is currently scali ...

Senior Software Engineer — AI Driven Innovation Platform

Ankar AI is looking for a Senior Software Engineer in London. This position requires a strong background in software engineering with at least 5 years of experience. The ideal candidate will take ownership of ambitious projects, translating complex requirements into maintainable systems, and will thrive in a fas ...

Senior Lead Software Engineer Cloud & API Architecture

Senior Lead Software Engineer – JPMorgan Chase Are you ready to shape the future of technology at a leading global financial institution? Join us and use your expertise to drive impactful solutions that power our business and support our clients worldwide. Here, you'll collaborate with talented p ...

Senior Staff Software Engineer Core Marketing Platforms

Overview FanDuel Group is a world-class team of brands and products that deliver sports betting, gaming and entertainment to millions of US sports fans every day. That’s no easy task, and wouldn't be possible without a fantastic team who have helped us pioneer new products and innovative features ...

Senior Software Engineer –Trading Platform (.NET, Python)

Overview Join Barclays as a Senior Software Engineer – Trading Platform (.NET, Python) and you will be responsible for designing, building, and modernising a critical investment banking platform that drives client behaviour through dynamic pricing and axe rate management. You will develop high-per ...

On Senior Software Engineer (1 year contract)

Our internal Operations in Sourcing and Material Management are growing strongly, and we're looking for a Senior Software Engineer to join the Product Technology team and establish the foundations of our software support for these critical internal stakeholders. The focus of this role is on designing, deve ...

Senior Software Engineer (C# / .NET) Team Lead

About Caxton Associates Caxton Associates, founded in 1983, is a global trading and investment firm with offices in London, New York, Singapore, Monaco, Dubai and Bengaluru. Caxton Associates’ primary business is to manage client and proprietary capital through a suite of products designed to fit ...

Senior Software Engineer, Internationalisation Platform London, UK

Senior Software Engineer, Internationalisation Platform London, UK At Klaviyo, we value the unique backgrounds, experiences and perspectives each Klaviyos brings to our workplace each and every day. We believe everyone deserves a fair shot at success and appreciate the experiences each pe ...

Senior Full Stack Software Engineer (Typescript / React)

Skin + Me is a technology-driven start-up on a mission to revolutionise personalised skincare. We’ve delivered millions of treatments across our multi-brand ecosystem (Skin + Me, Hair + Me, Renew + Me), powered by a proprietary stack that runs everything from our e‑commerce engine to our in‑house manufactu ...

Hybrid Senior Software Engineer – Platform & DevOps Lead

A global banking institution in Belfast seeks a Senior Engineer to lead the implementation of application systems and programs. The role entails partnering with management teams to enhance product improvements and apply modern software engineering practices, including DevOps and Agile delivery. Ideal candidates ...

Senior C/C++ Linux Software Engineer (27605)

This established technical consultancy develops advanced software and hardware for government and commercial sector clients. Due to continued success, they are seeking an accomplished C/C++ and Linux software engineer to join their team. Varied multidisciplinary projects mean that you could be work ...

Senior Software Engineer II Contacts Team Java

Company Description Wise is a global technology company, building the best way to move and manage the world’s money.Min fees. Max ease. Full speed. Whether people and businesses are sending money to another country, spending abroad, or making and receiving international payme ...

Senior Firmware Test Engineer – System Software (Embedded)

A leading AI technology company in Bristol is seeking a System Software Engineer in Test to verify and validate firmware through design and execution of tests. Responsibilities include collaborating with hardware teams, mentoring, and ensuring high testing standards. Ideal candidates are experienced in firmware ...

Senior Embedded Software Engineer: SoC & 100GbE (Hybrid)

A leading tech firm in Northern Ireland is seeking a Senior Embedded Software Engineer for a hybrid role lasting 2 years. The position involves developing, integrating, and debugging embedded software on Adaptive SoC platforms, utilizing bare-metal, embedded Linux, and RTOS environments. Candidates should have s ...

Senior Application Software Engineer (Java/Spring/Backend)

Overview Job Title: Senior Application Software Engineer (Java/Spring/Backend) Location: Manchester Salary: £60,000-£75,000 Workplace Type: Hybrid (3 days a week in the office) Employment Type: Full-Time About Us </h ...

Senior Backend Software Engineer (9 Month Contract)

InfoSum is the world’s leading data collaboration platform. The world’s largest enterprise businesses use InfoSum to collaborate across data sources and deliver richer customer experiences that prioritise consumer privacy. Our vision is to unlock data’s limitless potential, by enabling the world’s data to be ...

Senior Embedded Software Engineer – Safety Critical Systems

A leading technology firm in Scotland is seeking a Senior Software Engineer specializing in embedded control and display systems. You will be responsible for delivering high-quality software, engaging closely with engineers to develop complex systems, and ensuring compliance with safety standards. Ideal candidat ...

Senior Lead Software Engineer Java Architecture Nutmeg

Behind every investment is a person with ambitions, motivations and values. While we know that every client is unique, they come to Nutmeg for the same reason: our straightforward and transparent approach to investing. Nutmeg is a J.P. Morgan company offering award-winning investments, products and ...

Senior PyTorch Software Engineer — GPU AI Performance

A technology company in Cambridge is looking for a Senior PyTorch Software Development Engineer to lead the development and optimization of AI models on GPUs. This role entails collaboration with internal teams and the PyTorch community to enhance performance. The ideal candidate should have deep expertise in C+ ...

Senior Lead Software Engineer Front End Developer

Be an integral part of a 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 Corporate Technology Market Risk team, you will lead the rapid expansion of a strategic visualization an ...

Senior Java/Python Software Engineer – Scalable Systems

A leading global financial institution is seeking an Experienced Software Engineer to join their Technology team in Bournemouth. The successful candidate will design and deliver scalable technology products, utilizing Java or Python in an agile environment. Responsibilities include developing software solutions, ...

Senior Software Engineer Ticker Plant, Event Processing

Description & Requirements The Ticker Plant system is a central hub of the Bloomberg market data infrastructure, processing daily volumes of several hundred billions of real‑time market events across 100 million instruments. The events originating in the Ticker Plant ultimately drive every financ ...

Senior Software Engineer, Client Solutions Cloud & Events

A prominent financial technology firm in Greater London is looking for a Senior Software Engineer to design and build resilient, event-driven systems. You'll engage across the engineering lifecycle while using modern AI-assisted tools. Candidates should have over 5 years of experience in software development and ...

Senior Software Engineer — Hybrid London, Impact & Scale

A leading online food company in London is seeking a Senior Software Engineer to contribute to team goals and drive technical projects. The role involves improving code structure, leading project planning, and collaborating with cross-functional teams. Ideal candidates should have experience in web applications ...

Senior Software Engineer/SRE Managed Systems Engineering

Senior Software Engineer/SRE - Managed Systems Engineering Join to apply for the Senior Software Engineer/SRE - Managed Systems Engineering role at Bloomberg Overview The Bloomberg Terminal brings together real‑time data on every market, breaking news, in‑depth r ...

Senior Software Engineer – Node/AWS, Hybrid & Remote

A dynamic SaaS company in Belfast is seeking an experienced Software Engineer to enhance their API and infrastructure. The role involves developing in TypeScript on AWS, designing scalable solutions, and collaborating closely with teams to focus on user experience. Ideal candidates will have a background in buil ...

Senior Software Engineer Transit Tech & Scalable Systems

A global transit solutions provider is seeking a Senior Software Engineer to join their dynamic team in Manchester. The ideal candidate will have over 5 years of software development experience, focusing on technologies like C++ and Java, as well as proficiency with AWS serverless architecture. Responsibilities ...

Senior Software Engineer — AI/IoT & Cloud, Hybrid

A leading smart home technology firm in the UK is seeking an experienced engineer to join their Smart Security Camera team. This role involves building and operating scalable production systems using Python and cloud platforms like GCP and AWS. The team collaborates globally to deliver standout features for user ...

Senior Software Engineer: Lead High Impact Features

A leading technology company in Manchester is seeking a Senior Software Engineer to lead complex software features from design to delivery. You will have the autonomy to address challenging technical problems and be a mentor for your team, driving improvement in both processes and skills. The ideal candidate wil ...

Senior Flight Software Engineer — Embedded Rust/C++

A leading space technology company is seeking a Flight Software Engineer to lead the design and implementation of software for satellite missions. Responsibilities include defining software architectures, overseeing testing, and mentoring junior engineers. The ideal candidate has deep expertise in Rust and profi ...

Senior Software Engineer Radbroke, Manchester or Glasgow

About The Role FDM is a global business and technology consultancy seeking a Senior Software Engineer to work for our client within the professional services sector. This is initially a 12-month contract with the potential to extend and will be a hybrid role that will ...

🚀 Boost Your Hiring Chances with Our AI-Powered Tool-Kit

Stand out from thousands of applicants. Use our proven career tools to optimize your applications and land your dream job faster.

To-Do Planner

Organize your job search and personal tasks. All data is confidential.

Open Planner

Wellbeing Center

Access your confidential wellness report and resources to manage job search stress.

Check Wellbeing

Skill Coach

Plan your skill development with O*NET support to stay competitive in your field.

Start Coaching

Outfit Helper

Get AI-powered suggestions on what to wear for your next interview.

Find Outfit

Income Tax Calculator

Plan your finances with our calculator, updated for 2025 tax regulations.

Calculate Tax

Salary Benchmark

Get accurate, AI-supported salary trends to know your worth and negotiate better.

Check Salaries

Interview Practice

Practice for any interview with AI-enabled Q&A sessions. All data is private.

Start Practicing

Interview Predictor

Use our AI-supported tool to predict potential interview questions based on your resume.

Predict Questions

Interview Practice Timer

Use our mock interview trainer to perfect your answers under timed conditions.

Start Timer

Behavioral Mastery

Ace tricky behavioral interviews with our AI-powered practice module.

Master Answers

Question Journal

Confidentially record interview questions you were asked for future reference.

Open Journal

Interview Ace

A comprehensive tool to help you master every aspect of your interviews.

Become an Ace

Q&A Logs

Confidentially track your answers to common questions and refine them over time.

View Logs

Application Planner

Schedule and organize your job applications in one confidential planner.

Open Planner

Cover Letter Tool

Create perfect, tailored cover letters for each application with AI support.

Generate Letter

Resume Score

Get instant feedback on your resume with our NLP-supported analysis tool.

Check My Score

ATS Score

Check your resume's compatibility with Applicant Tracking Systems (ATS).

Check ATS Score

Application Analyzer

Use AI to analyze job descriptions and optimize your application materials.

Analyze Application

Career Visualizer

Confidentially plan and visualize your long-term career path and goals.

Visualize My Career

Offer Genius

Get intelligent insights and strategies to confidently negotiate job offers.

Negotiate Offers

JobFlow

Track your entire job search progress from application to offer with this intelligent tool.

Track My Flow

JobSense

Our intelligent matching engine that provides smart job recommendations.

Get Smart Matches

Networking Toolkit

Tools to build and manage your professional connections. All data is confidential.

Build Network

Professional CV

A classic, O*NET supported template for corporate and professional roles.

Use This Template

Executive CV

A premium, O*NET supported template designed for senior and C-level positions.

Use This Template

Modern CV

A fresh, stylish, O*NET supported template perfect for tech and modern industries.

Use This Template

Creative CV

A visually distinct, O*NET supported template for design and artistic roles.

Use This Template

Minimalist CV

A clean, simple, O*NET supported template that focuses purely on content.

Use This Template

Europass CV

The standard European Union recommended format for wide compatibility.

Use This Template

Student CV

An institution-recommended template perfect for internships and first jobs.

Use This Template

Graduate CV

An institution-recommended template for recent graduates entering the workforce.

Use This Template

Academic CV

The researcher-recommended format for roles in academia and research.

Use This Template

Developer/IT CV

A tech-savvy recommended template to highlight your technical skills.

Use This Template

Skilled Worker CV

A trades-recommended template to showcase hands-on skills and experience.

Use This Template

Monochrome CV

A sleek, black-and-white, O*NET supported template for a professional look.

Use This Template

Art CV

An artist-recommended template that allows your creativity to shine.

Use This Template

Harvard CV

A researcher-recommended template based on the classic Harvard format.

Use This Template

Volunteer Research

Help us improve our platform by joining our community research program.

Join Research

Review Us

Share your experience with our tools to help other job seekers.

Share Experience

Register

Create your free account to save jobs, build your profile, and track applications.

Create Account

Login

Access your dashboard, manage applications, and continue your job search.

Access Your Account

Profile Builder

Create a comprehensive professional profile that attracts recruiters and showcases your skills.

Build Your Profile

View Profile

See your public profile exactly as employers will see it. Make sure it's perfect.

Preview Profile

Bookmarked Jobs

Keep track of all your saved job opportunities in one organized place.

View Saved Jobs

Your Reviews

View and manage all the company reviews you've submitted.

See Your Reviews

Following

Manage the list of companies you follow to stay updated on their new openings.

Manage Following

Find Companies

Discover and research top employers in your country and industry.

Discover Employers

Standalone CV Builder

Use our O*NET supported CV builder to create a professional resume from scratch.

Build Your CV

PDF to DOC (Beta)

Convert your PDF resumes or documents into editable Word (DOC) format.

Convert PDF

DOC to PDF (Beta)

Create universally compatible PDF documents from your Word (DOC) files.

Create PDF

General FAQ

Find answers to common questions about our job site and platform.

Read FAQ

Job Seekers FAQ

Get help and find answers to questions specifically for job seekers.

Get Help

Job Matching

Learn about the technology and algorithms behind how we match you to jobs.

Learn How

Personalized Matching

Discover how we use your profile and activity to provide customized job suggestions.

Learn More

Quick Apply

Understand our fast application process and how to make the most of it.

Learn More

Alert Frequency

Learn how to manage your job alert settings so you get the updates you want.

Manage Settings

Job Alerts Guide

A complete guide to understanding how job alerts work and how to use them effectively.

Read Guide

Resume Matching

Learn how our system matches your resume to job requirements.

Learn More

Ethical Branding

Read our guide to building a professional and ethical personal brand.

Read Guide

Candidate Visibility

Learn how to increase your visibility to recruiters on our platform.

Increase Visibility

Verified Badge

Find out how you can get a verified badge to build trust with employers.

Get Verified

AI ATS Technology

Learn about the advanced AI and ATS technology that powers our platform.

Learn More

ATS Ranking

Understand how Applicant Tracking Systems rank you as an applicant.

Learn More

Semantic Matching

Learn how our AI-powered semantic matching goes beyond keywords.

Learn More

    Senior Software Engineer Pythonjava Jobs in United Kingdom Job Search Guide, Trends and Insights