Senior Software Engineer Pythonjava Jobs in UK

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Lead Software Engineer

Overview We’re Tails.com, a dog food subscription company with a big difference. We create tailored food for each and every dog we serve. We start by asking people a few simple questions about their dog, then use that information to create the dog’s unique Tails.com recipe so they get the nutritio ...

Lead Software Engineer

About the Role You will play a key role in designing and delivering advanced software solutions for underwater robotic systems. This position focuses on developing innovative, high-quality software aligned with business and project requirements. As a Software Lead, you will take ownership of proj ...

Lead Software Engineer

Write code that shapes what happens on track. Atlassian Williams F1 Team is looking for a Lead Software Engineer to join our Performance Technology group. This is a rare opportunity to lead a team of engineers building bespoke, high-performance software that directly supports our Aerodynami ...

Software Engineer (SRE)

Overview Are you a passionate Software Engineer looking for an exciting new challenge? Join this team and transition into maintaining and enhancing the reliability of one of the world’s largest platforms. In this role, you will utilise your expertise in Golang coding to develop robust applications ...

Lead Software Engineer

We have a new and exclusive partnership with one of the most exciting scale-ups in Europe, who are looking to double in size their engineering team. They have a valuation exceeding 2 billion Euros. The company builds aerial intelligence hardware and software. They're main focus is the manuf ...

Application Software Engineer

The Opportunity Join a team at the forefront of underwater robotics innovation. In this role, you'll design and deliver cutting‑edge software solutions that power the next generation of subsea vehicles. Working at the intersection of advanced engineering and real‑world application, you'll contrib ...

Software Validation Engineer

Join a cutting-edge engineering environment as a Software Validation & Verification Engineer. Build robust V&V frameworks, test safety‑critical software and influence best practice on new products. Agile team, hands‑on role, long‑term progression and UK security clearance eligible. Software Valida ...

Principal Software Engineer

Join a global technology organisation whose products are trusted by leading brands and deliver real-world impact across sustainability, education and safety. This is a pivotal role, reporting to the Head of Engineering helping lead tech direction and delivery for some genuinely innovative products. <h ...

Software ML Engineer

Job Overview: We have a fantastic opportunity to move into the era of Machine Learning and Artificial Intelligence, key technologies for the future of computing. Arm is everywhere technology matters. Are you passionate about ML systems and keen to shape how AI runs efficiently on next gen ...

Flight Software Engineer

At NewOrbit Space, our mission is to engineer the lowest orbiting satellites on Earth to rapidly advance global connectivity and insight. We are currently building satellites that can operate at an altitude of just 200 km - one-third that of conventional satellites. Thanks to our propulsion system ...

Software Engineer DV

Location: Manchester – expect to attend site five days a week Clearance: Must hold current UK*C DV The company: Cyber Security and National Security technical consultancy. You will work with a large degree of autonomy developing cutting edge solutions over a ran ...

ADA Software Engineer

Ada Software Engineer - 1509 Location: Luton (Hybrid: 4 days on-site) Contract: 12 months IR35: Inside IR35 Security Clearance: Full UK SC required Rate: £75ph, UMB, inside IR35 About the Role A real-time embedded software engineer with knowledge of ...

Principal Software Engineer

Principal Software Engineer – C++ and Rust - is required by highly successful and fast growing technology consultancy. They build data, AI and software solutions for clients in a broad range of industries, working on demanding problems in challenging environments. The role ...

Principal Software Engineer

Are you excited to influence technical direction across teams while still contributing hands‑on to complex, high‑impact engineering challenges? Do you want to shape domain architecture, mentor senior engineers, and connect technical decisions to real customer and business outcomes? About o ...

Fullstack Software Engineer

We are using and creating technology to transform operations at sea to enable people and the planet to thrive. We are open-minded and fearless in our approach to innovation and don't believe in boundaries. We challenge everything and have massive ambitions to drag aging industries into the tech era. We tak ...

Software Engineer London

Position Summary Two Sigma is a leading quantitative investment management and trading firm. The company applies a scientific approach to investing, combining cutting‑edge technology, artificial intelligence, data science, and quantitative research with rigorous human inquiry to capitalize on mar ...

Software Engineer (C++)

C++ Software Engineer - Outside IR35 Contract London, UK Long-Term Engagement on a Rolling Contract Hybrid Working Up to £750 per day (Outside IR35) We have partnered with a leading Technology Firm who are looking to add a Software Engineer with ...

Software ML Engineer

Job Overview: We have a fantastic opportunity to move into the era of Machine Learning and Artificial Intelligence, key technologies for the future of computing. Arm is everywhere technology matters. Are you passionate about ML systems and keen to shape how AI runs efficiently on next gen ...

Control Software Engineer

East Midlands: commutable from Nottingham, Leicester and Coventry. Our client demonstrates almost 40 years experience in the manufacture of bespoke automation and robotic systems for a range of industrial applications and is regarded as one of the leading automation system solution providers in the ...

Principal Software Engineer

Principal Software Engineer Join Mastercard’s Operations Automation Program as a Principal Engineer for our DevOps team that powers infrastructure automation across on‑prem data centers and the cloud using Terraform, Chef, Ansible, and other tools. Role In this role you will ena ...

Founding Software Engineer

We are a bootstrapped, profitable creator platform building AI‑powered tools that allow creators to launch branded membership products. We’re looking for our first engineering hire to help us push Clubb into its AI‑first next chapter. Our product consists of content hosting, payments, growth tools, ...

Backend Software Engineer

Job Description Our platform is evolving towards a modern AWS-native architecture, making extensive use of serverless technologies, microservices and event-driven systems to deliver highly scalable and reliable solutions. You will help design and develop scalable distributed systems and shared se ...

Software Engineer C#

Contract Software Engineer – C# / Windows / Networking We’re looking for an experienced C# Software Engineer to join a highly skilled engineering team working on complex, mission‑critical Windows desktop systems used in marine operational environments. This is a hands‑on contract role, id ...

Staff Software Engineer

Moody's Analytics is looking for a Software Engineer to design, develop, and deliver cloud-based web applications as part of an agile, cross‑functional engineering team. Skills And Competencies Commercial experience developing web‑based software applications using modern frameworks ...

Mechatronic Software Engineer

Express Recruitment are excited to be working in partnership with a well-established SME, specialising in high-tech innovation services on behalf of a blue-chip client base across diverse industry sectors, from Aerospace to Automotive. Due to continued organic growth and a healthy project pipeline, ...

Consultant Software Engineer

Consultant Software Engineer - Career Switchers and Returners 2026 This role is for career switchers or returners looking to blend high-level software engineering with strategic client advisory. Our consultant engineers act as technical partners to our clients, helping them transform their busine ...

Software Solutions Engineer

Location: Cheadle, United Kingdom Thales is a global technology leader with more than 83,000 employees on five continents. With over 7,500 people in the UK, operating across defence, space, aerospace, and digital security, we help build a future we can all trust. Thales supports the security and sta ...

Manager Software Engineer

Senior Engineering Manager – Heimdall Manager GG14 We are seeking a Senior Engineering Manager to join our Customers Identity & Access Management team at LSEG. You will play a pivotal role in maintaining and evolving our custom Secure Token Service, a critically significant component of our infra ...

Principal Software Engineer

At MHR, our employees are central to our success and play a key role in helping customers achieve sustainable high performance. With a team of over 900 professionals, we work to make things flow smoothly, whether it's for large organisations or individual employees. As businesses face rapid changes in the ...

Staff Software Engineer

Any company can tell you about how they are a multi award winning, market leading business and yes, we are both of those things in the world of IoT connectivity! But we’re more than that. Our mission? To make IoT management a breeze for any device, anywhere. With over 10 million IoT subscriptions a ...

Software Test Engineer

Software Test Engineer - Elite Team in Cambridge - True Innovation We're partnered with one of the most innovative tech communications organisations in Cambridge. They are expanding globally and are looking to bring in a talented Software Test Engineer to work with one of the most talented teams i ...

Software Quality Engineer

I’m currently partnering with an innovative medical technology company developing cutting‑edge software solutions that are transforming surgical care and patient outcomes. We’re looking for a Senior Software Quality Engineer to take ownership of software quality processes within a highly skilled eng ...

System Software Engineer

About Graphcore At Graphcore, we’re building the future of AI compute. We’re a team of semiconductor, software and AI experts, with deep experience in creating the complete AI compute stack—from silicon and software to infrastructure at datacenter scale. As part of the SoftBank Gr ...

Software Engineer, London

Institutional Fabric for the Digital Asset Market Founded in 2018, Talos provides institutional-grade trading technology for the global digital asset market, powering many of the major players in the crypto ecosystem. Our mission at Talos is clear: to advance the mass adoption of digital ...

Software Engineer (Java)

**Job Title**Software Engineer (Java)**Job Description***IG Group is a FTSE 100 fintech operating across five continents, serving over 1.3m customers and handling billions of dollars in transactions – built on scale, trust, and proof. We didn't pivot to innovation; it's how we've always operated. What that means ...

Software Engineer, Security

Summary Join the Apple Cloud Object Store (ACOS) team as a Software Engineer with a focus on security. The ACOS team, part of the Apple Services Engineering organisation, is one of the most critical infrastructure teams at Apple, storing and serving petabytes of data across Apple's services. The ...

Software Test Engineer

Note : Experience with Tricentis Tosca is Must !! Job Description We are seeking an experienced Senior Test Engineer to support a complex system migration project. The ideal candidate will be hands‑on, proactive, and possess strong communication skills. This role requires the abil ...

Principal Software Engineer

Principal Software Engineer – Ocean Infinity Ocean Infinity is seeking a Principal Software Engineer to provide technical leadership and hands‑on engineering across our core software platforms. Location: Porto, Portugal (hybrid working arrangement). Reporting directly to the Head of Softw ...

Backend Software Engineer

Our world is transforming, and PTC is leading the way. Our software brings the physical and digital worlds together, enabling companies to improve operations, create better products, and empower people in all aspects of their business. Our people make all the difference in our success. Today, we ar ...

Principal Software Engineer

We’d all like amazing work to do, and real work-life balance. That’s waiting for you at Sainsbury’s. Think about the scale it takes to feed the nation. The level of data, transactions and variety involved. Then you’ll realise this is a modern software engineering environment, because it has to be. We’ve ma ...

Software Engineer (SAST)

Software Engineer - Static Analysis (Snyk Code) The Opportunity As a Software Engineer on the Code Rules team, you will work side‑by‑side with our security researchers to evolve the engine that powers our detections. You will understand and interact with the static analysis (SAST) engin ...

Principal Software Engineer

JOB BAND: DCONTRACT TYPE: PermanentDEPARTMENT: BBC Product Group – Data PlatformsLOCATION: Newcastle - HybridPROPOSED SALARY RANGE: £65,000 - £80,000 depending on relevant skills, knowledge and experience. The expected salary range for this role reflects internal benchmarking and extern ...

Java Software Engineer

The middle office technology team works collaboratively across our client services, fund accounting, treasury, trade operations and compliance teams to automate and streamline their processes; ensuring the firm can manage even more client money across a wider range of complex assets and fund structures tha ...

Software Engineer Frontend

Please be aware this position will be based in Abu Dhabi. Full relocation support will be provided. This is NOT a remote position. About AI71 AI71 is an industry leader in artificial intelligence, delivering innovative solutions that empower developers, businesses and governments ...

System Software Engineer

Job Summary As a member of the drivers and utilities team you will contribute to the planning, design, implementation and testing of low level kernel drivers and user space driver library code. You will be part of one of the two teams in the system software department (the firmware team b ...

Founding Software Engineer

About Us Seeing Systems is building autonomous drone systems that can perceive, navigate, and act intelligently in complex real‑world environments. We focus on advancing autonomy through monocular vision, sensor fusion, and robust system design , enabling drones to operate reliably ...

Agentic Software Engineer

Our client is a UK-based organisation operating in the medtech industry, with a team of around 200 people. They design and manufacture bespoke solutions that improve patients’ quality of life. They are investing significantly in technology and automation to support their next phase of growth. A key ...

Staff Software Engineer

hackajob is collaborating with Barclays to connect them with exceptional professionals for this role. A fantastic opportunity to join us as we create a standalone Payments Acquiring business embracing a fintech culture from our new offices alongside our Brookfield partners. Barclays ...

Java Software Engineer

Java Developer | Spring | GCP | CI/CD | Fullstack | HealthTech | Hybrid, Bournemouth | £45-60k Looking to help shape Java Development for an established Tech-for-Good business? I'm partnered with a long‑standing client in the healthcare technology sector, who are looking for experie ...

C++ Software Engineer

C++ Software Engineer – High-Frequency Trading A systematic trading firm of similar calibre to leading names in the space is seeking exceptional C++ Software Engineers to join its world‑class engineering team. This is a hybrid position, open to candidates based in London or who have the right to w ...

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