1 to 25 of 354 Senior Software Engineer Jobs in the UK

Senior Software Engineer - Remote UK - £85000 What is in it for you? As a talented Senior Software Engineer you can expect: A supportive and adaptive culture Access to a structured training and career progression plan Opportunities to take the lead on critical projects and enhance your career Great salary - Up to £85,000 base … and Package (neg for the right person) We are helping an innovative technology business scale their Software team in in the UK. Their software powers some of the worlds leading consumer brands across the digital commerce and retail experience software space. Due to continued growth and demand for their products they now urgently need a Senior Software Engineer to join their team. Your role will be to focus mainly on backend engineering within their AI product suite. This role would suit a Senior Software Engineer who has a background in AI engineering or a deep passion for AI. This role is Remote within the UK - the team do meet in More ❯

Senior Software Engineer - Remote UK - £85000 What is in it for you? As a talented Senior Software Engineer you can expect: A supportive and adaptive culture Access to a structured training and career progression plan Opportunities to take the lead on critical projects and enhance your career Great salary - Up to £85,000 base … and Package (neg for the right person) We are helping an innovative technology business scale their Software team in in the UK. Their software powers some of the worlds leading consumer brands across the digital commerce and retail experience software space. Due to continued growth and demand for their products they now urgently need a Senior Software Engineer to join their team. Your role will be to focus mainly on backend engineering within their AI product suite. This role would suit a Senior Software Engineer who has a background in AI engineering or a deep passion for AI. This role is Remote within the UK - the team do meet in More ❯

Senior Software Engineer Node.js/AWS/React London (Hybrid, 3 days onsite) Are you the kind of Senior Software Engineer who enjoys taking something fast-and-scrappy and turning it into something scalable, elegant, and genuinely robust? This is a chance for a Senior Software Engineer to join a small … based in the London City Centre thats building products to make sense of massive data streams. Youll be part of a tight-knit team (around ten people total, five software engineers), working on a genuinely greenfield platform with a modern stack and zero legacy The focus now is on maturing the codebase re-architecting, refactoring, testing, and scaling. As … a Senior Software Engineer, youll play a key role in helping the team evolve from early-stage speed to long-term stability, with the freedom to influence both product direction and engineering quality What youll be doing: Building and scaling a Node.js application that sits at the core of the product Designing and implementing new features for More ❯

Senior Software Engineer page is loaded Senior Software Engineerlocations: UK - London (20 Fenchurch)time type: Full timeposted on: Posted Todayjob requisition id: 2025-811 Job Title: Senior Software Engineer (Python) Reporting to: Lead Software Engineer Direct Reports: N/A Position Type: PermanentStanding still is not an option in the … solutions which delight underwritersAbout the OpportunityThe London Market Underwriting & Reinsurance Performance team consists of Actuaries, Reinsurance Specialists and Engineers reporting into the Chief Underwriting Officer (London Market).As a Senior Software Engineer with experience of Agile and DevOps working within the Underwriting Performance Innovation team, you will research, design, test, develop and support software solutions to … an Actuarial Model Management platform, working closely with the central Innovation & Analytics function to define our developing Data Platform and identify opportunities to demonstrate its value.Core Responsibilities Collaborate with software engineers, data engineers, and underwriters to define and deliver the future of Property & Casualty underwriting at TMHCC International Continually improve ways of working, responding to change and maintaining focus More ❯

Senior Software Engineer, .Net London Permanent To £95k + bonus + benefits Senior Software Engineer, .NET Remote/London to £95k + bonus + benefits .Net, Back End, Azure, microservices Senior .NET Software Engineer is required by fintech company who provides cutting-edge systems to the Banking and Financial Services sector. … We are seeking a skilled Senior Software Engineer with extensive .NET experience to become a member of their vibrant team and help them achieve their development goals. You will work on the planning, design, and management of their Back End development in your role as a Senior Software Engineer. To deliver great solutions, we are More ❯

Senior Software Engineer I page is loaded Senior Software Engineer I Apply locations London time type Full time posted on Posted Yesterday job requisition id R7649 Company Description We're - you might not know our name, but companies like eBay, ASOS, Klarna, Uber Eats, and Sony do. That moment when you check out online … and our partners. And we need your help. Join us to build the digital economy of tomorrow. Job Description Global payments are complex and ever-evolving. At Checkout our software engineers develop the next-generation payments technologies that enable our Merchants to boost their acceptance rates, cut processing costs, fight fraud, and create cutting edge technology that enables extraordinary … customer experiences. We're looking for Senior Software engineers who bring fresh ideas, have a curious nature and are passionate about working in an Engineering environment which focuses on building products to achieve the company's strategic goals. You'll get to work with teams from across 's portfolio of products and services who all have a real More ❯

Senior Software Engineer page is loaded Senior Software Engineerlocations: UK - Shipleytime type: Full timeposted on: Posted Todayjob requisition id: REQ31149 Be visionary Teledyne Technologies Incorporated provides enabling technologies for industrial growth markets that require advanced technology and high reliability. These markets include aerospace and defense, factory automation, air and water quality environmental monitoring, electronics design … radio frequency (RF) technology. With unrivalled RF & microwave application knowledge we have experience of creating innovative solutions for the most challenging applications. What you'll be involved in: The Senior Software Engineer will work within the existing software team to provide Systems Product Software integrated into military RADAR ESM receivers. The software controls the … hardware setup, systems operation and processing of received data. On each project, they will be responsible for the majority of the software development life cycle.The Senior Software Engineer will have the opportunity to support installation and training which may involve international travel.This position will report directly to the Software Engineering Group Lead. Areas responsible for More ❯

Taboola, Connexity, and Shopyourlikes) are constantly iterating on products, solving problems for retailers, content creators & influencers, and publishers, building interest in new solutions. We are actively seeking an experienced Senior Software Engineer for our Skimlinks brand, to help us advance our technology stack and product development endeavours. The Senior Software Engineer is based in … London, reports to the Sr. Principal Software Engineer Team Lead, and is a part of the Skimlink's UK Engineering team. This position is a senior-level role responsible for providing technical leadership, guiding and implementing the architecture and design of complex software systems, and driving innovation by combining strong technical expertise with effective communication and … leadership skills to drive success in software development projects. The position will play a pivotal role in designing, building, and implementing systems across all facets of our intricate platform. From managing high-volume data collection and enrichment to automated analysis, and backend services alongside RESTful APIs, your contributions will be fundamental to our success. Additionally, the Senior Software More ❯

Are you an experienced Senior Software Engineer - C# actively looking for a new role? Do you live in the Hertfordshire area or would love the opportunity to relocate and work in one of the UK's most exciting tech hubs? If so, my client has a superb role available to strengthen their R&D team. You will … play a key role in in all aspects of design, implementation and debugging of software to bespoke robotic applications. In this experienced Senior Software Engineer - C# job based in Royston you will be responsible for the following: Design user interfaces that are both intuitive and easy to navigate. Oversee the complete software development lifecycle for … new projects, taking accountability for the software aspects of assigned responsibilities. The successful applicant for this Senior Software Engineer - C# job based in Royston you must be: Proficient in C# and .NET. Have a 2:1 or above degree in electronic engineering, software engineering, or a comparable technical field. Provable professional experience in a related More ❯

Are you an experienced Senior Software Engineer - C# actively looking for a new role? Do you live in the Hertfordshire area or would love the opportunity to relocate and work in one of the UK's most exciting tech hubs? If so, my client has a superb role available to strengthen their R&D team. You will … play a key role in in all aspects of design, implementation and debugging of software to bespoke robotic applications. In this experienced Senior Software Engineer - C# job based in Royston you will be responsible for the following: Design user interfaces that are both intuitive and easy to navigate. Oversee the complete software development lifecycle for … new projects, taking accountability for the software aspects of assigned responsibilities. The successful applicant for this Senior Software Engineer - C# job based in Royston you must be: Proficient in C# and .NET. Have a 2:1 or above degree in electronic engineering, software engineering, or a comparable technical field. Provable professional experience in a related More ❯

Are you an experienced Senior Software Engineer - C# actively looking for a new role? Do you live in the Hertfordshire area or would love the opportunity to relocate and work in one of the UK's most exciting tech hubs? If so, my client has a superb role available to strengthen their R&D team. You will … play a key role in in all aspects of design, implementation and debugging of software to bespoke robotic applications. In this experienced Senior Software Engineer - C# job based in Royston you will be responsible for the following: Design user interfaces that are both intuitive and easy to navigate. Oversee the complete software development lifecycle for … new projects, taking accountability for the software aspects of assigned responsibilities. The successful applicant for this Senior Software Engineer - C# job based in Royston you must be: Proficient in C# and .NET. Have a 2:1 or above degree in electronic engineering, software engineering, or a comparable technical field. Provable professional experience in a related More ❯

Software Engineers - Why You Should Apply Remote Working: Opportunity to work remotely from anywhere in Europe, with quarterly fully expensed visits to the UK site in South Wales for R&D meetings. Shape the Future: This isn't just another coding job; it's a chance to make a real difference by developing software for products that improve … from an industry-leading flexi-time scheme, enabling you to earn an extra day off each month - work-life balance done right! What you'll be doing as the Senior Software Engineer As the Senior Software Engineer, you'll join a friendly, multi-disciplined team. You'll design and implement user-facing application software architecture, coordinate the application development lifecycle from conception to release, and support the applications, engineering, operations, sales, and support teams with the development and maintenance of existing software products. What you will need to apply for the Senior Software Engineer position A degree-level qualification or equivalent. Experience developing application software from scratch using More ❯

We're looking for a Senior Software Engineer to join our team and take our technology and your career into new territories! MBDA is a great a place to learn about the company's entire product portfolio, whilst embracing the change to DevOps and other innovative technologies! Job Title: Senior Software Engineer Salary … paternity leave, neonatal leave and fertility testing and treatments. Facilities : Fantastic site facilities including subsidised meals, free car parking and much more. The opportunity: We're looking for a Senior Software Engineer to join our team and take our technology and your career into new territories! Test Software UK collaborate across Electronic Engineering, our Test Centre … of Excellence and Software Engineering to deliver the MBDA UK test capability. Our mission as a function is to facilitate robust and timely test of missile systems and ensure MBDA continues to provide a decisive military capability for our home nations and their allies. Spanning a diverse portfolio of work packages, Test Software UK directly influences the company More ❯

Senior Software Engineer £75000 GBP Onsite WORKING Location: Stevenage; Bristol, Central London, Greater London - United Kingdom Type: Permanent Senior Software Engineer Location: Stevenage/Hertfordshire (5 Days Per Week Onsite) Job Type: Permanent Salary: Up to £75,000 depending on experience Overview An excellent opportunity has arisen for a Senior Software Engineer … on some of the UK's most advanced missile and weapon systems. This role sits within a dynamic and multi-disciplined team responsible for designing, developing and supporting the software that enables configuration, verification, and validation of product portfolio's. Spanning the full lifecycle from development through to production and field testing, this is a chance to contribute to … mission-critical systems where your software directly impacts the certification, manufacturing output, and operational readiness of UK defence platforms. Key Responsibilities Design, develop, and support test software solutions Collaborate with Electronic Engineering, Test Centre of Excellence, and Systems teams to deliver robust test capability Produce reliable, high-performance software in C, C++, or ADA with clear documentation More ❯

Senior Software Engineer £80000-100000 GBP Equity Hybrid WORKING Location: Central London, Greater London - United Kingdom Type: Permanent Senior Software Engineer - SaaS and Payments London (4 days onsite) £80,000 to £100,000 base plus package A high-growth B2B fintech scale-up transforming how complex industries handle payments and financial workflows are growing … their engineering team! They're profitable, well-funded, and engineering-led, and as their newest Engineer you'll shape their core platform and take ownership of critical features. This is a hands-on senior role where you can influence the technical direction, own features and build software that has a real impact. As a software engineer … CD pipelines, testing and version control practices Solve complex technical problems and deliver simple, user-friendly solutions Collaborate closely with product managers, designers and engineers to ship high-quality software Bring your experience in SaaS and payments to influence product and architecture decisions We are looking for someone with: A minimum of 5+ software engineering experience, ideally including More ❯

Senior Software Engineer (Node.js) page is loaded Senior Software Engineer (Node.js) Apply locations Birmingham Derry-Londonderry Belfast Homeworker - UK time type Full time posted on Posted 9 Days Ago job requisition id JR_15863 Join Kainos and Shape the Future At Kainos, we're problem solvers, innovators, and collaborators - driven by a shared mission … that celebrates creativity and collaboration. Ready to make your mark? Join us and be part of something bigger. MAIN PURPOSE OF THE ROLE & RESPONSIBILITIES IN THE BUSINESS: As a Senior Software Engineer (Senior Associate) in Kainos, you'll be responsible for developing high quality solutions which delight our customers and impact the lives of users worldwide. … around you. MINIMUM (ESSENTIAL) REQUIREMENTS: • Strong experience with following technical stack - AWS, Node (or any Javascript frameworks), Typescript, Terraform, AWS CDK • Proficient in designing, building, testing and maintaining modern software applications • Experience of applying development best practices and patterns in relation to security, scalability and performance • Contributing to technical decisions and direction in a collaborative team environment, including architecture More ❯

Select how often (in days) to receive an alert: Job Title: Senior Embedded Software Engineer Location: Malvern, England, United Kingdom Role Type: Permanent - Full Time Package: Competitive Salary + Benefits Role ID: SF18535 Are you ready to be part of the future? At QinetiQ, we're not just imagining tomorrow we are creating it. From cutting edge … defence technology to ground breaking innovations our mission is to empower and protect lives. Join us as a Senior Embedded Software Engineer at our Malvern site, where you will have the opportunity to work with cutting-edge technology in partnership with some of the most brilliant minds. The Role: As a Senior Embedded Software Engineer … you willbe working within a team who work with the latest innovations, providing solutions to complex problems. Your responsibilities will include: Being responsible to the Project Design Authority for software development and related software engineering activities Solving technically challenging problems from rapid developments to full scale system developments Applying rigorous engineering practices such as; analysing, designing, implementing, testing More ❯

An innovative and leading tech company based in the Leeds area is looking for a Senior Embedded Software Engineer . We re looking for an experienced engineer that s comfortable working down at bare metal as well as through operating systems. These Senior Embedded Software Engineer roles will be working on advanced projects … from cradle to grave, working with customers delivering solutions against their requirements. As a Senior Embedded Software Engineer, you ll be given the opportunity to develop your key skills further whilst contributing to key projects. Senior Embedded Software Engineer Skills: Degree qualified or equivalent in Computer Science or Software Engineering Embedded C/… C++ programming Bare Metal Development Microcontrollers (STM32 or ARM preferred) RTOS If you have the required skills and experience for this Senior Embedded Software Engineer role, then please get in touch ASAP with an up-to-date copy of your CV. If this role isn t of interest, but you know of someone who could be, Chroma More ❯

An innovative and leading tech company based in the Leeds area is looking for a Senior Embedded Software Engineer . We’re looking for an experienced engineer that’s comfortable working down at bare metal as well as through operating systems. These Senior Embedded Software Engineer roles will be working on advanced projects … from cradle to grave, working with customers delivering solutions against their requirements. As a Senior Embedded Software Engineer, you’ll be given the opportunity to develop your key skills further whilst contributing to key projects. Senior Embedded Software Engineer Skills: Degree qualified or equivalent in Computer Science or Software Engineering Embedded C/… C++ programming Bare Metal Development Microcontrollers (STM32 or ARM preferred) RTOS If you have the required skills and experience for this Senior Embedded Software Engineer role, then please get in touch ASAP with an up-to-date copy of your CV. If this role isn’t of interest, but you know of someone who could be, Chroma More ❯

Senior Network Software Engineer C Linux - Remote or Hybrid Edinburgh Stuck ? Frustrated ? Know you're better than this ? Career goals not being met ? As a Senior Software Engineer in this Networking Technology company you'll have the opportunity to work on innovative, challenging projects where you'll learn something new in emerging Network technologies. … growth, wellbeing and belonging. The role is Hybrid of 1 day a week in the Edinburgh office though Remote may be an option. What you'll do As a Senior Software Engineer in this Telco/Networking organisation you will work on Products developing a Network that grows smarter, more agile, and more responsive whether accessing the … development of a Debian Linux Network Operating System (NOS) in order to support customers in developing and deploying their virtualized networks, working in a team of 40 Engineers. The Senior Software Engineer will design and implement these Network Components and Routing Protocols to drive the future architecture and implementation of these components in their new Operating System More ❯

Senior Software Engineer Java/JavaScript/Geospatial (Apply online only) per day, Outside IR35 Initial 6 month Contract Fully Remote (Must be based in UK) Our exclusive Consultancy partner urgently requires the services of 4 Senior Software Developers to join a project team, delivering services for a high profile Government customer. No SC Clearance … is required, however experience working in the Public Sector is desirable. Skills & Experience needed: A Senior software Developer with experience of leading front and back-end development. The Senior software Developer must be experienced in using of Java, at least one of these Software Developers must have experience of Delphi, and they must have knowledge … or be able to demonstrate sufficient knowledge of similar tools to adopt these quickly. It is desirable that the candidate will also have experience of Postgres/PostGIS. The Senior Software Developer must be able to pick up existing codebases, and improve/amend them, as well as develop and implement new features. They must be comfortable turning More ❯

Senior Software Engineer - Hybrid - Salary £70K (DOE) We're currently working with a growing SaaS company based in Oxfordshire that have an exciting job opening for a Senior Software Engineer skilled with C# .NET, Angular, and SQL. You will be guiding architectural decisions, ensuring the development of scalable, maintainable, and high-performance solutions using … product, that is soon to be rolled out nationally. Part of this position will involve driving the adoption and effective use of emerging AI-assisted development tools and AI Software in the development life cycle (e.g., Cursor, v0) to enhance team productivity and innovation. Essential Experience: Proven experienced leading/mentoring software engineering teams in an Agile Environment … Benefits: Competitive Base Salary Hybrid Working Private Healthcare Life Assurance 33 Days Holiday plus bank holidays 37.5 Hour work weeks - flexi-hours This is a great opportunity for a Senior Software Engineer skilled with C# .NET and Angular, to join a great company offering an incredible benefits package, with the opportunity for further career progression. Please apply More ❯

Senior Software Engineer Node.js/AWS/React London (Hybrid, 3 days onsite) Are you the kind of Senior Software Engineer who enjoys taking something fast-and-scrappy and turning it into something scalable, elegant, and genuinely robust? This is a chance for a Senior Software Engineer to join a small More ❯

Senior Software Engineer £75000 GBP Onsite WORKING Location: Stevenage; Bristol, Central London, Greater London - United Kingdom Type: Permanent Senior Software Engineer Location: Stevenage/Hertfordshire (5 Days Per Week Onsite) Job Type: Permanent Salary: Up to £75,000 depending on experience Overview An excellent opportunity has arisen for a Senior Software Engineer More ❯

Senior Software Engineer (MongoDB/Django) 6-Month Contract Outside IR35 Fully Remote About the Role Were looking for a Senior Software Engineer with deep expertise in MongoDB to help solve complex integration challenges between Django and MongoEngine within a live production environment. This is a hands-on engineering role, suited to someone who … engineers on effective MongoDB usage patterns and integration strategies. Help evolve internal tooling, libraries, and data access layers to streamline development. What Were Looking For Proven experience as a Senior Software Engineer with a strong focus on backend systems and database design. Advanced MongoDB knowledge schema design, aggregation pipelines, performance tuning, replication, and indexing strategies. Strong experience More ❯