• United Kingdom Jobs Expertini profile avatar

    • 688,950+ Senior Software Engineer Pythonjava Life Sciences Jobs in UK — Top Companies Hiring June 2026

    Professional job seekers finding United Kingdom jobs through Expertini
    750,000+ professionals on Expertini 750,000+ Candidates
    Join our global community
    Explore Leading Employers
    High-Paying Careers
    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.

    1. Expertini
    2. United Kingdom
    3. Jobs
    4. Senior Software Engineer Pythonjava Life Sciences Jobs in United Kingdom

    5. Download PDF

    Reset

    Create Job Alert
      Add Alert

     
     
    Create Alert
     
    Reset

    Senior Full Stack Software Engineer Series A FinTech

    Senior Full Stack Software Engineer - Series A FinTech Bondaval City Of London, England, United Kingdom This role is offered by Bondaval. Your actual pay will be based on your skills and experience – talk with your recruiter to learn more. Senior Full Stack Engineer / Technical L ...

    Senior Software Engineer – Full Stack (AWS/TypeScript/React)

    Java Script Works is seeking a Senior Software Engineer based in London, United Kingdom. In this full-time role, you'll work in a dynamic environment, contributing to both backend and front-end development. Proficiency in the JavaScript ecosystem, along with experience in Node.js, React, TypeScript, and React Na ...

    Senior Software Engineer: C#/.NET, Python & REST APIs

    3761 Barclays - BX - UK is seeking a software engineer to design and develop high-quality software solutions. The role demands expertise in C# (.NET/.NET Core), Python, and SQL, focusing on building scalable solutions that drive efficiency and meet business needs. The ideal candidate possesses strong a ...

    Senior Software Engineer C#/.NET | Web & Desktop Apps

    Head Resourcing is seeking a Software Engineer to join a specialist organisation in Livingston. You will develop scalable business logic and create user-friendly interfaces for both web and desktop applications. The ideal candidate has at least 5 years of commercial experience, strong skills in C# and ...

    Senior AI Software Engineer Lead AI Driven Dev

    Ideagen- is seeking a Senior Software AI Engineer in Ruddington to take a leading role in delivering complex software features within an AI-native environment. This position enables you to shape AI's support for software development while collaborating closely with cross-functional teams. Key respo ...

    Senior Lead Software Engineer Java, React, Cloud & Scale

    JPMorgan Chase & Co. is seeking a Senior Lead Software Engineer in Greater London. In this pivotal role, you will enhance and deliver trusted technology products while influencing product design and application functionality. Ideal candidates will have advanced skills in Java, Spring Boot, React, and Kubernetes, ...

    Senior Software Engineer II Cloud APIs (Remote UK)

    Far Coder is seeking a Senior Software Engineer II to join our team as a remote worker in the UK. This full-time role involves designing and developing solutions using modern technologies including Kubernetes and Python. The right candidate will have substantial experience in software engineering, particularl ...

    Senior Lead Software Engineer Python, Data, Cloud, AIML

    We have an exciting and rewarding opportunity for you to take your software engineering career to the next level.As a Senior Lead Software Engineer at JPMorgan Chase within the Commercial & Investment Bank's Markets Research Technology team, you serve as a seasoned member of an agile team to design and ...

    Senior Principal Software Engineer, AI Agents (Dublin, Ireland)

    This hybrid role is based in Dublin, Ireland (Full relocation provided).Toast creates technology to help restaurants and local businesses succeed in a digital world, helping business owners operate, increase sales, engage customers, and keep employees happy.Your mission is t ...

    Senior Software Development Engineer, CloudFront Control Plane, CloudFront

    AWS Infrastructure Services owns the design, planning, delivery, and operation of all AWS global infrastructure. In other words, we’re the people who keep the cloud running. We support all AWS data centres and all of the servers, storage, networking, power, and cooling equipment that ensure our customers have co ...

    Senior Lead Software Engineer Backend Engineering Java/Kotlin

    Out of the successful launch of Chase in 2021, we’re a new team, with a new mission. We’re creating products that solve real world problems and put customers at the center - all in an environment that nurtures skills and helps you realize your potential. Our team is key to our success. We’re people-first. We ...

    Senior Systems Software Engineer Open Source RISC V

    Job Search Place Limited is seeking talented software engineers to join their team in Cambridge, UK. The role focuses on open source semiconductor development, with responsibilities covering various software stack areas from firmware to cloud infrastructure. Candidates should have solid experience with ...

    Senior Software Engineer, Power Systems & HPC (C++, Python)

    TNEI Services Ltd is looking for a Senior Software Engineer in Manchester to develop high-performance simulation tools using C++. Candidates should have a strong background in C++ programming, and be familiar with Python and power systems concepts. The role offers flexible working hours, 25 days of ann ...

    Senior Software Engineer Margin Technology Assistant Vice President

    ## Senior Software Engineer - Margin Technology - Assistant Vice PresidentApplyremote type: Hybridlocations: London United Kingdomtime type: Full timeposted on: Posted Todayjob requisition id: As part of our global technology team, you will be working with a group of passionate engineers who build tec ...

    Senior Software Engineer Core Platform (Rust/C++, Python)

    Durlston Partners LLP is hiring a Senior Software Engineer in London to design and develop core platforms that enable autonomous systems. You will work alongside exceptional engineers and tackle complex technical challenges in a collaborative culture. The ideal candidate has strong skills in C++, Java, ...

    Senior Software Engineer (Remote) – C#/.NET, Angular, AWS

    Energy Jobline ZR is looking for a Senior Software Engineer to join their mission-driven organization focused on enhancing education. This role offers a 100% remote work option with a salary range of £60,000 to £70,000 DOE. The company values a supportive engineering culture where collaboration and con ...

    Fullstack Senior Software Engineer (TypeScript, C#, React, AWS)

    2 Vacancies:1 x Permanent Hire1 x Maternity Leave Cover - Fixed Term Employee for 12 monthsLogistics: Hybrid - 2 days per week in our London HQAlto Software Group is a B2B SaaS company that powers more than half of all UK housing transactions each ye ...

    Senior Lead Software Engineer AI/ML & Data Platforms

    If you are a software engineering leader ready to take the reins and drive impact, we’ve got an opportunity just for you.As a Senior Lead Software Engineer at JPMorganChase within the AI/ML & Data Platforms group, you lead a technical area and drive impact within teams, technologies, and projects acros ...

    Senior Embedded Software Engineer Real Time ARM, Hybrid

    Job Summary Senior Embedded Software Engineer now needed in central Bristol to join a global company leading the way in safety and security. Desired candidates have 3‑7 years of experience and will work alongside industry experts developing a portfolio of embedded software products. Key Re ...

    Senior Software Engineer 12 Months SC Cleared £625pd

    Senior Software Engineer- 12 Months - SC Cleared - £625pd Rate : £625 per dayDuration : 12 monthsIR35 : InsideLocation : Remote - 1 day per week in ExeterThe role :A leading G ...

    Senior Software Engineer — End to End Impact & Ownership

    A technology startup in Cambridge seeks a full-stack engineer passionate about solving customer problems. The role involves taking ownership over product features and collaborating with a talented team in a fast-paced environment. Applicants should have a strong background in software development, particularly u ...

    Senior Software Engineer Research Management Systems (Analytics & Reporting)

    Senior Software Engineer - Research Management Systems (Analytics & Reporting) Location London Business Area Engineering and CTO Ref # Description & Requirements Research Management Systems (RMS) provides structure, control, efficiency and trans ...

    Senior AI Software Engineer Open Source & GenAI Leader

    AI Software Engineer Lead design and delivery of AI-enabled Spring Portfolio features across Broadcom's open-source ecosystem. Location: Cambridge, England, United Kingdom About The Role The Tanzu Division at Broadcom focuses on modern application development, management ...

    Senior Software Engineer, AI Developer Tools and Platforms

    Job Overview Our team crafts developer platforms and tools that help developers get the best out of Arm technology on day one. We support Arm’s outstanding developer ecosystem with practical, high-quality solutions that enable developers to seamlessly compose, build and deploy AI workloads accele ...

    Senior Software Engineer, Authentication & Authorisation (Backend) London, UK

    Senior Software Engineer, Authentication & Authorisation (Backend) London, UK At Ripple, we’re building a world where value moves like information does today. It’s big, it’s bold, and we’re already doing it. Through our crypto solutions for financial institutions, businesses, governments ...

    Senior Software Engineer New London, England, United Kingdom

    The Role You will join one of our established high‑performing teams within the Betting division, focusing on the delivery of technical and product‑focused initiatives to expand and scale our industry's leading Sportsbook and Risk Management products. One example is our Advanced Risk team, which c ...

    Senior Software Engineer: Python & C/C++ Refactor Lead

    Data Careers is seeking a MOD DV Cleared Senior Software Engineer for a permanent position located in Fareham. This role involves hands-on maintenance, enhancement, and evolution of complex software systems with a competitive salary ranging from £80,000 to £90,000 plus benefits. The successful candidat ...

    Senior Software Engineer 5G, Cloud & CI/CD, Hybrid

    A global telecom software specialist in Belfast is looking for experienced Software Engineers to enhance their skilled team. Successful candidates will engage in software development, focusing on 5G technologies and C/C++ systems. The role offers a collaborative environment with flexible hybrid work options and ...

    Senior Software Engineer Global KYC and Onboarding Java

    Overview Wise is a global technology company, building the best way to move and manage the world’s money. 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 anot ...

    Senior Software Engineer — ASP.NET/React ERP Web Apps

    Java Script Works is looking for a Senior Software Engineer to join their team in Hungerford, United Kingdom. The ideal candidate has hands-on experience in web and application development using ASP.NET, JavaScript, TypeScript, React, and Web API, with ERP systems experience being a plus. The position offers a f ...

    Senior Software Engineer Enterprise Web & Cloud (AWS/Azure)

    Prattwhitney has a permanent opportunity for a Senior Software Engineer in Manchester. In this role, you'll work in a cross-functional team, delivering critical software across various business areas. You should have full-stack experience, Java skills with Spring Boot, and familiarity with cloud platforms. </ ...

    Senior Software Engineer Build the Future of Computing

    An innovative leader in computing technology is seeking passionate individuals to join their dynamic team in Cambridge. At Arm, you will contribute to groundbreaking projects that redefine the future of technology, working alongside brilliant minds in a culture that values collaboration and creativity. With a co ...

    Senior Software Engineer – Cloud Native SaaS Lead (UK)

    A cloud-native legal technology firm in Greater London is looking for a Senior Software Engineer to lead technical projects and mentor junior engineers. The role focuses on designing high-performance SaaS solutions and requires expertise in modern software technologies including Docker and Kubernetes. Candidates ...

    Senior AI Software Engineer Hybrid, Scale AI Solutions

    RSM UK is seeking a Senior AI Software Engineer to make impactful contributions within the AI Lab. You will design and implement AI solutions while maintaining rigorous coding standards, ensuring scalable integration with existing technology. Ideal candidates will possess strong programming skills, par ...

    Senior Software Engineer: Build Scalable, Event‑Driven Backends

    A global premium chauffeur service is seeking a Senior Software Engineer to develop and improve services supporting their platform. The ideal candidate has over 5 years of experience in Ruby or Go, understands the HTTP protocol, and is familiar with REST APIs. Responsibilities include optimizing performance and ...

    Senior Software Engineer Hybrid (Abingdon) 3 Days Onsite

    Leap29 is seeking a Senior Software Engineer to join a growing software team in Abingdon. This role offers the opportunity to work on complex, high-performance applications and requires 5+ years of experience in software engineering, with strong skills in C# and .NET development. The position supports ...

    Senior Software Engineer Margin Technology Assistant Vice President

    As part of our global technology team, you will be working with a group of passionate engineers who build technical solutions to complex business problems.We are going through a very exciting phase of transformation in margin and collateral domains in Markets Technology, and you will be required to par ...

    Senior Software Engineer – Java, Spring Boot, Cloud & DevOps

    A leading defense technology company in the UK seeks a Senior Software Engineer for its teams in Manchester, Gloucester, or London. You will design and build software in a collaborative, cross-functional environment, and must hold current eDV clearance. Responsibilities include delivering critical software acros ...

    Senior / Principal Biological Software Engineer in Bio AI

    InstaDeep is the AI specialist for our parent company BioNTech, combining our state-of-the-art research expertise in deep learning and biology. We specialise in not only developing new fundamental research but also in every stage of production that research to deliver benefit. As a senior/principal softwar ...

    Senior Software Engineer .NET, React, CI/CD Expert

    Java Script Works is seeking a Senior Software Developer based in London, United Kingdom. The role requires expertise in Angular, CI/CD, and a proficient understanding of various programming languages including Python and C#. The compensation range is between £25,000 and £55,000 depending on experience ...

    Senior Full Stack Software Engineer (Node / 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 ...

    Senior Software Development Engineer, CloudFront Control Plane, CloudFront

    Key Job Responsibilities Collaborate with experienced cross-disciplinary Amazonians to conceive, design, and bring innovative products and services to market. Provide technical guidance to your team, design and build innovative technologies in a large distributed computing environ ...

    Senior C++ Software Engineer – Front‑Office Trading Engines

    A leading global financial services firm in London is seeking a Software Engineer III - C++ Senior Associate to enhance and deliver innovative technology products within an agile team. The role requires advanced expertise in C++ programming and involvement across the software development cycle. Successful candid ...

    Senior Backend Software Engineer in London Engineering Employment

    Job Description The job responsibilities include: Deploying ML workloads in streaming systems Influencing architecture and owning key infrastructure components Experience in Python Familiarity with JIRA and Confluence Hybrid role – 2 d ...

    Senior Full Stack Software Engineer (C#/.NET, React)

    Gearset is the leading DevOps platform for Salesforce - our users can build and manage many aspects of their Salesforce development from within Gearset, from complex CI/CD pipelines to disaster recovery. The Gearset platform is a standalone tool that sits outside of the Salesforce platform, integra ...

    Senior Software Engineer (C# / Java) Remote & Scalable Backend

    Threecolts is seeking a software engineer to take ownership of features across Inventory Lab's C# and Java-based systems. The role involves designing and building scalable services and APIs, and contributing to technical discussions. Ideal candidates will have 5-8 years of experience in software engineering a ...

    Senior AI Software Engineer & Team Lead (Hybrid, Oxford)

    Aurora Energy Research in Oxford is seeking a Senior Software Engineer to enhance backend systems for energy market decisions. The role involves team management and developing systems that use AI to navigate complex data. Candidates should have extensive experience in backend development, especially in ...

    Senior Software Engineer – AI Tools & Real Time Data

    DraftKings Inc. is seeking a Senior Software Engineer which will involve building scalable data-driven systems for real-time experiences. The ideal candidate should have 4+ years of software engineering experience and be proficient in Python. Responsibilities include designing tools, leading technical strateg ...

    Senior Software Engineer – Hybrid, AI Driven Cloud/Desktop

    NES Fircroft Engineering Services is seeking a Senior Software Engineer in Abingdon, Oxfordshire. This role involves designing and modernizing high-performance desktop and cloud applications, utilizing your expertise in C#/.NET and C/C++. You will work in a hybrid environment with a focus on collaboration and ...

    Senior Software Engineer (C# / Java) Remote & Scalable Backend

    Threecolts is seeking a Software Engineer with 5–8+ years of experience to own features across Inventory Lab’s systems. You will design, build, and maintain scalable services and APIs, ensuring high performance and quality. Key qualifications include strong proficiency in C# and Java, experience with c ...

    🚀 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 →

    💡 Tools that really enhance your application chances and career growth.

    Go to Your Dashboard →

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