126 to 150 of 251 Senior Software Engineer Jobs in England

Senior Software Engineer (Full Stack) Hybrid working (office once a week), 5 month contract to start immediately, £550-£650pd inside IR35. Our client is looking for a Senior Full Stack Software Engineer to join their Experience Team on a contract basis. This … senior, hands-on role with real ownership, influence and technical leadership on the ground. You'll act as a hands-on technical lead within the team, supporting delivery while also shaping technical discovery and direction. This role suits someone who is highly technical but equally strong on collaboration, communication ...

Senior Backend Software Engineer (Python) Blockchain/Web3 Remote £50-£80k An ambitious Web3 and blockchain-focused team working to create more equitable ownership and compensation models, particularly within gaming. They collaborate closely with leading Layer 1 protocols to deliver secure, scalable infrastructure and provide global economic … opportunities through blockchain technology. The Senior Software Engineer will build and maintain backend systems powering cutting-edge Web3 and gaming technologies. The role focuses on developing REST APIs using Python frameworks (such as Django or Flask) and integrating blockchain and Web3 game technologies as part ...

Software Engineer (MidSenior) Python Full Stack A fast-growing, technology-led consumer health & beauty scale-up is looking for a mid-level to senior Software Engineer to join its collaborative engineering team. The business builds and operates multiple direct-to-consumer brands, supported ...

Senior C++ Software Engineer Salary: up to £65,000 Location: Cambridgeshire Working Environment: On-Site (there is flexibility to WFH but ideally want someone who enjoys working with the team on-site) The company is operating at the bleeding edge of the telecoms industry, developing products that … able to provide coverage where other large telco companies don't. As a Senior Software Engineer, you will have opportunities to work across all of their products but with a focus on new feature development for their 5G product, which is used by law enforcement, private networks ...

Senior Embedded Software Engineer Onsite in Hastings, East Sussex Please Note : the role requires a level of security clearance that is only available to British nationals. Role Overview : Our client is seeking a Senior Embedded Software Engineer to apply their experience … challenging environment, working across the entire software development life cycle. Key Responsibilities : Development and verification of software to applicable standards ( RTCA/DO-178 ) Analysis of customer requirements Be involved in all stages of software creation Requirements analysis, design, implementation, and verification of software components Participate ...

Build software that brings revolutionary therapies to patients worldwide Are you ready to lead software development that will transform how life-saving medical therapies reach patients? This pioneering company is revolutionising the software and systems used during the production of medical therapies and is seeking a talented … senior software engineer to spearhead technical projects and mentor the next generation of software talent. This role will see you working closely with the software architect and product owner to develop architectural frameworks and lead software projects from conception through to deployment. The position ...

Senior Java Software Engineer - User Interfaces Location: Office basedGuildford, GU1 4QU Salary: Circa £50K - £85K per annum, DOE + Benefits, Bonus and Relocation Contract: Full time, Permanent Benefits: Competitive salary, Annual bonus, Private medical insurance, Membership fees to professional organisations, such … Kaon's success is a result of the skills and effort of our engineering team which is made up of signal processing, acoustic, software and systems engineers. Due to our continued success, we are looking to expand our highly skilled engineering team. The Role: We are currently seeking ...

Role: Senior Software Engineer Location: Bristol (Onsite) Industry: Defence Salary: Competitive + Bonus + Benefits Our client, a market leader in Defence is looking for ambitious Senior Software Engineers skilled in either C++ OR Java to join a dynamic team. They're looking … comprehensive mix of technical depth and individuals who have driven end-to-end software delivery, from initial requirements through to certification. You’ll have a track record of leading the design and implementation of sophisticated systems while guiding and supporting your teammates to achieve high technical standards. Requirements Advanced ...

Hiring: Senior Software Engineer – Systems Improvement & Scale 🏢 Company: Car Planet 📍 Location: Enfield 🕘 Full-Time (Open to initial contract trial) Car Planet is a fast-growing car supermarket and automotive retail business building and running our own in-house platforms — including Autogrid (our core Dealer Management System), plus … supporting systems like Audiofy (call intelligence) and RoutePortal (logistics & routing). We’re looking for a senior, pragmatic software engineer to inspect, stabilise, and improve live, revenue-critical systems as the business scales. You’ll work hands-on with existing production systems to improve performance, reliability ...

marine industry. If you are a meticulous individual with a passion for working on cutting edge projects, this could be ideal for you. Senior Software Engineer Marine Defence applications Portsmouth Permanent Role Overview We are looking for a talented software engineer to help shape … future of intelligent vehicle control systems. You’ll work on cutting-edge projects that blend software design, control systems, and real-world testing to deliver reliable, high-performance solutions. Responsibilities will include: Software systems architecture design and development in line with system requirements, with a focus on closed ...

Senior Software Engineer - Backend Leeds - 2x a week Salary: Up to £70k D.O.E + Benefits Fruition IT are working with a well-established tech-first business who are embarking on a complete technical transformation. This client is looking to bring in a Backend Staff Software Engineer … Services, such as EKS, Dynamo DB and S3. What will I be doing? Own and evolve the backend architecture for a large-scale software platform. Working across multiple teams to ensure alignment and scalability throughout the business. Set technical direction and contribute to key design decisions across teams. Lead ...

Lead/Senior Software Engineer - Insurance Hybrid Working - City of London A growing specialist insurance underwriter focused on complex property and catastrophe-driven risks is bringing its technology capability in-house. This is a rare opportunity to join as the first in-house Software Engineer … pathway into future technical leadership. The Role Youll play a key role in modernising core systems, including rebuilding pricing engines and algorithms, while advising senior stakeholders and shaping long-term technical direction. What Youll Do Rebuild and enhance pricing systems and algorithms Design and develop full-stack solutions Contribute ...

Senior Embedded Software Engineer £60-70k 2 days in office Royston A highly innovative engineering team is looking to a Senior Embedded Software Engineer to bridge the gap between hardware innovation and intelligent control systems. Youll be designing & developing extremely high spec instrumentation ...

Senior Software Engineer Location: London (Hybrid/On-site) Salary: £100,000 – £150,000 + equity About the Company We’re working with an early-stage, venture-backed legal technology startup on a mission to transform one of the UK’s most broken consumer experiences: the legal … strong foundation for navigating regulation while moving quickly in a traditionally slow industry. The Role This is an opportunity for a Staff or Senior Product Engineer to join as one of the earliest engineers in the business. You’ll be part of a small, high-calibre team ...

Senior Software Engineer - Banking/Payments London – Hybrid (1 day per week onsite) Are you a senior, hands-on Engineer who thrives in event-driven, asynchronous environments? Do you enjoy building low-latency, high-throughput distributed systems where correctness, resilience, and performance really matter? This … that integrate deeply with bank infrastructure to enable secure, real-time payments at global scale. What You’ll Be Doing You’ll play a senior individual-contributor role within a high-performing engineering team, building asynchronous, message-driven systems designed for scale, resilience, and near-zero downtime. Design ...

Lead/Senior Software Engineer - Insurance Hybrid Working - City of London A growing specialist insurance underwriter focused on complex property and catastrophe-driven risks is bringing its technology capability in-house. This is a rare opportunity to join as the first in-house Software Engineer ...

Senior Software Engineer Full Stack - Ruby on Rails, React Up to £120k DOE Fully Remote - must be UK based We're looking for a senior, hands-on engineer who still loves being deep in the code, but is ready to play a bigger role … product and engineering team evolves. This is a fully hands-on role where you'll spend the majority of your time building and shipping software in Ruby on Rails and React , while also acting as a technical role model for the team. You'll work closely with the Head ...

client, a leader in the defence and security sector, is currently seeking a Senior Software Engineer with advanced security clearance to join their cutting-edge team. This permanent role offers an exciting opportunity to work on innovative solutions that redefine defence technology. Key Responsibilities: Design, implement … test solutions to complex customer problems across the development lifecycle Develop software for a range of areas including bare-metal MCU, signal processing, Embedded Linux, and GUI development on Windows, Linux, and mobile platforms Utilise various programming languages such as Rust, C/C++, Python, and web development frameworks ...

Senior Software Engineer will work within the Systems and Software team in the Programmes area of STS Defence, developing and maintaining software throughout the Software Development Lifecycle from requirements elicitation, through to in service delivery.The post will provide technical leadership on software projects … stakeholders and on software development xkybehq activities undertaken by the A variety of soft skills and experience may be required for the following role Please ensure you check the overview below carefully. Please click on the apply button to read the full job description ...

Senior Software Engineer will work within the Systems and Software team in the Programmes area of STS Defence, developing and maintaining software throughout the Software Development Lifecycle from requirements elicitation, through to in service delivery. The post will provide technical leadership on software projects for key stakeholders and on software development activities undertaken by the click apply for full job details ...

office 2 days/week Flexible working : Variety of flexible work patterns subject to line manager discretion e.g. Compressed 9-day fortnight. Reports to: Software Engineering Manager Deadline Note: We reserve the right to close the advert before the advertised deadline if there are a high volume of applications. … Role Summary: Were looking for a Senior Software Engineer to join our Settlement Systems team, part of a broader engineering space that delivers critical systems to help the UK achieve Net Zero by 2050. Our digital platform underpins multiple applications, including settlement tools, forecasting engines, calculation services ...

Senior Platform Software Engineer - Mobile Apps 11 Month contract Location: Stratford - 4 days onsite/1 remote Up to £548 per day Inside IR35 Overview The Mobile App Engineering department within Connected Vehicle Software brings together people, skills, tools, and methods to create world-class software … focusing on actionable insights, reduced fleet downtime, and improved operational efficiency. You will join the company's Pro Telematics Drive App team as a Senior Platform Software Engineer, acting as a technical lead and championing software craftsmanship. Key Responsibilities Technical Leadership - Translate business needs into technical ...

Senior Embedded Software Engineer - eDV Cleared Location: Worcestershire Clearance: eDV Salary: Up to £80,000 + Clearance bonus To apply, email: or call: About the Role We're supporting a specialist organisation delivering high-assurance technology solutions for UK national security. As a Senior Embedded Software Engineer , you will contribute to the development of advanced embedded systems used to protect critical assets and counter sophisticated threats. Working as part of a close-knit engineering team, you'll help design, build and integrate innovative software solutions that underpin next-generation secure systems. What ...

Software Engineer London/Hybrid | Perm Role £80,000 - £100,000 Harrington Starr has partnered with a fast-growing fintech that’s transforming how businesses manage foreign exchange and treasury operations. Their technology enables clients to access institutional-grade execution, automate manual workflows, and gain greater transparency across … product offering and deliver cutting-edge solutions that help clients manage risk more effectively. The Role This is an excellent opportunity for an experienced Software Engineer — ideally with a background in financial technology or FX — to join a high-performing engineering team within a scaling fintech. ...

Senior C# Engineer City of London (On-site) Permanent | £90,000 – £120,000 We’re partnered with an innovative proprietary trading firm in the City of London that is hiring a Senior C# Software Engineer . You’ll work on greenfield projects, cutting-edge technology ...