North West London, London, United Kingdom Hybrid / WFH Options
Client Server
SeniorSoftwareEngineer/Developer (C++ Linux SQL) London/WFH to £110k Global-leading FinTech is seeking a SeniorSoftwareEngineer to take ownership of strategic enhancements on their core platform, as well as directly on bespoke client projects. What's in it for you: Salary to £110k Pension (to 9% contribution) Healthcare … Volunteer/charity days Hybrid working Career development and training Your role: As a Backend SoftwareEngineer, you'll be responsible for designing and building unique technical solutions, meeting user requirements and contributing to the evolution of the cutting-edge platform. The organisation is a pioneer in the field of cross-asset securities and derivatives post-trade processing … technology, and have created ground-breaking, adaptable software that produces secure and scalable solutions for peak operational efficiency and optimum business performance for their clients. This is a great opportunity to accelerate your career alongside established business and technology leaders, and gain/deepen your finance experience. Not only can you take advantage of working in a modern, technology More ❯
SeniorSoftwareEngineer 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 SeniorSoftware 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 Seniorsoftware Developer with experience of leading front and back-end development. The Seniorsoftware 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 SeniorSoftware 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 ❯
SeniorSoftwareEngineer required by an established technology company located in Staines. Hybrid working - three days per week in the office. The SeniorSoftwareEngineer will focus on developing and maintaining SDKs for for four key products spanning JavaScript (TypeScript), Roku (BrightScript), Android (Java) and iOS (Objective-C). The SeniorSoftwareEngineer will be the "code owner" for JavaScript and Roku SDKs. Key Responsibilities Being "code owner" for JavaScript and Roku SDKs Analysing and defining new requirements Maintaining and improving CI/CD Ensuring feature parity and API alignment between different platforms SDK improvements where possible Helping define software development practices, policies & tooling Key Experience Strong JavaScript knowledge … Commercial experience with Java and/or Objective-C Version control and other core software engineering skills Experience in any of the following areas would be advantageous but is not a prerequisite Python or similar scripting language Roku Android and/or iOS React or similar web application framework Node XML/JSON If you are seeking a role More ❯
guildford, south east england, united kingdom Hybrid / WFH Options
Spectrum IT Recruitment
SeniorSoftwareEngineer required by an established technology company located in Staines. Hybrid working - three days per week in the office. The SeniorSoftwareEngineer will focus on developing and maintaining SDKs for for four key products spanning JavaScript (TypeScript), Roku (BrightScript), Android (Java) and iOS (Objective-C). The SeniorSoftwareEngineer will be the "code owner" for JavaScript and Roku SDKs. Key Responsibilities Being "code owner" for JavaScript and Roku SDKs Analysing and defining new requirements Maintaining and improving CI/CD Ensuring feature parity and API alignment between different platforms SDK improvements where possible Helping define software development practices, policies & tooling Key Experience Strong JavaScript knowledge … Commercial experience with Java and/or Objective-C Version control and other core software engineering skills Experience in any of the following areas would be advantageous but is not a prerequisite Python or similar scripting language Roku Android and/or iOS React or similar web application framework Node XML/JSON If you are seeking a role More ❯
Staines-Upon-Thames, England, United Kingdom Hybrid / WFH Options
Spectrum IT Recruitment
SeniorSoftwareEngineer required by an established technology company located in Staines. Hybrid working - three days per week in the office. The SeniorSoftwareEngineer will focus on developing and maintaining SDKs for for four key products spanning JavaScript (TypeScript), Roku (BrightScript), Android (Java) and iOS (Objective-C). The SeniorSoftwareEngineer will be the "code owner" for JavaScript and Roku SDKs. Key Responsibilities Being "code owner" for JavaScript and Roku SDKs Analysing and defining new requirements Maintaining and improving CI/CD Ensuring feature parity and API alignment between different platforms SDK improvements where possible Helping define software development practices, policies & tooling Key Experience Strong JavaScript knowledge … Commercial experience with Java and/or Objective-C Version control and other core software engineering skills Experience in any of the following areas would be advantageous but is not a prerequisite Python or similar scripting language Roku Android and/or iOS React or similar web application framework Node XML/JSON If you are seeking a role More ❯
West London, London, United Kingdom Hybrid / WFH Options
Aimtech Recruitment Ltd
SeniorSoftwareEngineer (MongoDB/Django) 6-Month Contract Outside IR35 Fully Remote About the Role Were looking for a SeniorSoftwareEngineer 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 SeniorSoftwareEngineer 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 ❯
City of London, London, United Kingdom Hybrid / WFH Options
La Fosse
SeniorSoftwareEngineer | Hybrid | Node | AWS | TypeScript | £100k + 10% bonus La Fosse has partnered with a global leader in customer loyalty and travel services. We're looking for a SeniorSoftwareEngineer with a strong background in full-stack JavaScript (Backend JS leaning) to join their growing team. Your mission: Build greenfield systems … industry-leading engineering practices. What They're Looking For 6+ years of technical experience with the Full Stack JavaScript ecosystem Experience leading the design, development, and operation of innovative software solutions Strong skills in modern web development (Node.js, AWS, TypeScript) and a solid understanding of web architecture Proficiency in building and managing APIs (GraphQL & RESTful) and strong database fundamentals … twice weekly) Interview Process: Streamlined two-stage virtual interview If this sounds like the next step in your engineering journey, we'd love to hear from you. Apply now! SeniorSoftwareEngineer | Hybrid | Node | AWS | TypeScript | £100k + 10% bonus More ❯
SeniorSoftwareEngineer | Hybrid | Node | AWS | TypeScript | £100k + 10% bonus La Fosse has partnered with a global leader in customer loyalty and travel services. We're looking for a SeniorSoftwareEngineer with a strong background in full-stack JavaScript (Backend JS leaning) to join their growing team. Your mission: Build greenfield systems … industry-leading engineering practices. What They're Looking For 6+ years of technical experience with the Full Stack JavaScript ecosystem Experience leading the design, development, and operation of innovative software solutions Strong skills in modern web development (Node.js, AWS, TypeScript) and a solid understanding of web architecture Proficiency in building and managing APIs (GraphQL & RESTful) and strong database fundamentals … twice weekly) Interview Process: Streamlined two-stage virtual interview If this sounds like the next step in your engineering journey, we'd love to hear from you. Apply now! SeniorSoftwareEngineer | Hybrid | Node | AWS | TypeScript | £100k + 10% bonus More ❯
SeniorSoftwareEngineer (MongoDB/Django) – 6-Month Contract – Outside IR35 – Fully Remote About the Role Aimtech Recruitment are looking for a SeniorSoftwareEngineer 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 … on effective MongoDB usage patterns and integration strategies. Help evolve internal tooling, libraries, and data access layers to streamline development. What We’re Looking For Proven experience as a SeniorSoftwareEngineer 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 ❯
Nottingham, Nottinghamshire, East Midlands, United Kingdom Hybrid / WFH Options
Oscar Associates (UK) Limited
SeniorSoftwareEngineer - SaaS | Nottingham (Hybrid - 2 Days Office) ?? PHP/Laravel or Python | React/Vue.js | SQL | AWS ?? £55,000 - £65,000 DOE Are you a SeniorSoftwareEngineer who loves building elegant, scalable systems that make a real impact? Join a forward-thinking SaaS business based in Nottingham , where innovation, collaboration, and … in technical decisions and opportunities to shape the product roadmap. Regular socials, flexible hours, and a genuinely friendly team environment. Why Apply? This is a brilliant opportunity for a SeniorSoftwareEngineer who wants to work with a modern stack, contribute ideas freely, and see their work make a real difference. If you're ready to take More ❯
Role: SeniorSoftwareEngineer Locations: Gloucestershire | Manchester | London (Hybrid/Remote Options Available) Salary: £40,000 - £75,000 + Comprehensive Benefits Type: Full-time, Permanent PLEASE NOTE: This role requires UK citizenship and the ability to obtain high-level UK Security Clearance (typically requiring 10+ years of UK residency). Are you a skilled SoftwareEngineer … genuine impact on national security? On behalf of our client, a specialist UK technology company at the forefront of defence and cyber security innovation, we are seeking a talented SoftwareEngineer to join their core team. This is an opportunity to work on innovative projects within a culture that blends enterprise-grade engineering with the agility of a … start-up. The Role: As a SoftwareEngineer, you will be integral to the design, development, and maintenance of secure, scalable software platforms for government and defence clients. You'll work within multi-disciplinary teams, contributing to the entire software lifecycle while upholding the highest standards of engineering and security. Key Responsibilities: Design, build, and maintain More ❯
Cambridge, England, United Kingdom Hybrid / WFH Options
SoCode Recruitment
Senior C++ SoftwareEngineer Salary: Up to £120,000 + Benefits Location: Cambridgeshire Working Env: Hybrid (3 days on-site) The company is a Cambridge based start-up that specialising in ultra-low latency trading technology for financial markets. Following continued growth, they are looking for a SeniorSoftwareEngineer to join the team. … As a SeniorSoftwareEngineer, you will play a leading role in the design, development and maintenance of low latency, high-performance software which oversees the low-latency FPGA in real-time trading, along with comprehensive tests suites to ensure the correct and efficient operation of the system. You will collaborate with software and hardware … network protocols Common CPU architectures and how to exploit them for performance Computational/storage complexities and how to design to optimize for them Experience working across the entire Software Design Life Cycle (Architecture, Design, Implementation, Testing & Deployment Ability to collaborate with cross-functional teams across firmware, software, and DevOps to deliver production-grade solutions. Desired, but not More ❯
cambridge, east anglia, united kingdom Hybrid / WFH Options
SoCode Recruitment
Senior C++ SoftwareEngineer Salary: Up to £120,000 + Benefits Location: Cambridgeshire Working Env: Hybrid (3 days on-site) The company is a Cambridge based start-up that specialising in ultra-low latency trading technology for financial markets. Following continued growth, they are looking for a SeniorSoftwareEngineer to join the team. … As a SeniorSoftwareEngineer, you will play a leading role in the design, development and maintenance of low latency, high-performance software which oversees the low-latency FPGA in real-time trading, along with comprehensive tests suites to ensure the correct and efficient operation of the system. You will collaborate with software and hardware … network protocols Common CPU architectures and how to exploit them for performance Computational/storage complexities and how to design to optimize for them Experience working across the entire Software Design Life Cycle (Architecture, Design, Implementation, Testing & Deployment Ability to collaborate with cross-functional teams across firmware, software, and DevOps to deliver production-grade solutions. Desired, but not More ❯
Sheffield, South Yorkshire, England, United Kingdom Hybrid / WFH Options
Adria Solutions
Senior C# SoftwareEngineer Are you a talented C# and Azure developer ready to take ownership of innovative projects across Web, Desktop, and Cloud environments Our client, a well-established and forward-thinking software development company, is expanding its team and seeking an exceptional Senior C# SoftwareEngineer to help shape the next … just another coding role - it’s a chance to lead projects, influence architecture, and make a measurable impact on the products you help deliver. About the Role As a Senior C# SoftwareEngineer, you’ll play a key role in delivering high-quality, scalable, and performant software across a range of cutting-edge systems - from cloud … UI & Front-End: WPF, Blazor, SignalR, Skia DevOps & Integration: Azure DevOps, CI/CD pipelines, B2B Web APIs Key Responsibilities Lead the design and development of innovative, high-performance software solutions. Translate high-level requirements into clear, efficient, and maintainable code. Influence software architecture and DevOps strategy for cloud-based systems. Collaborate with cross-functional teams to deliver More ❯
SeniorSoftwareEngineer (Tech Lead) page is loaded SeniorSoftwareEngineer (Tech Lead)locations: United Kingdom - London - Paddington (PPS)time type: Full timeposted on: Posted Todayjob requisition id: JR017336Take a step forward and let Edenred surprise you.Every day, we deliver innovative solutions to improve the life of millions of people, connecting employees, companies, and … of discrimination and to providing all our candidates with equal opportunities regardless of their gender and gender expression, disability, origin, religious belief and sexual orientation or any other criteria. SeniorSoftwareEngineer (Tech Lead) - Edenred Paytech Location: Hybrid (London or Swindon office with remote flexibility) Salary: Competitive, with performance-based bonus and comprehensive benefits Contract Type: Full … of scalable, secure, and high-performing systems. Role Overview As Tech Lead, you will be responsible for the technical leadership of a cross-functional agile team. You will guide software architectural decisions, contribute hands-on to development, mentor engineers, and ensure the delivery of robust software aligned with business objectives. Key Responsibilities Lead the design and development of More ❯
Bristol, Gloucestershire, United Kingdom Hybrid / WFH Options
SeniorSoftwareEngineer National Security - SC Clearable - Python - AWS Role: SeniorSoftwareEngineer Location: Bristol/Hybrid Work Clearance: SC Cleared/Eligible for SC Salary: £55,000 - £70,000 About the Role We re seeking talented SeniorSoftware Engineers with strong Python and AWS experience to join Agile delivery … teams supporting a range of complex and high-impact Central Government and Critical National Infrastructure projects. You ll help design, develop, and deploy bespoke software solutions that deliver real-world mission value. You ll gain hands-on experience across the full software development lifecycle from concept through delivery working with modern technologies and open-source tools in secure … cloud environments. What You ll Do Design, develop, and test robust software solutions using modern engineering practices. Work with a range of open-source libraries, frameworks, and components. Build and maintain CI/CD pipelines using tools such as GitLab , ensuring code quality and security. Deploy software systems across public (AWS) and private cloud environments. Engage in all More ❯
Cheltenham, Gloucestershire, United Kingdom Hybrid / WFH Options
SeniorSoftwareEngineer National Security - SC Clearable Role: SeniorSoftwareEngineer Location: Cheltenham - Hybrid Work Clearance: SC Cleared/Eligible for SC Salary: 55,000 - 70,000 About the Role Were seeking talented SeniorSoftware Engineers to join Agile delivery teams supporting a range of complex and high-impact Central Government and … Critical National Infrastructure projects. Youll help design, develop, and deploy bespoke software solutions that deliver real-world mission value. Youll gain hands-on experience across the full software development lifecycle from concept through delivery working with modern technologies and open-source tools in secure cloud environments. What Youll Do Design, develop, and test robust software solutions using … Work with a range of open-source libraries, frameworks, and components. Build and maintain CI/CD pipelines using tools such as GitLab , ensuring code quality and security. Deploy software systems across public (AWS) and private cloud environments. Engage in all stages of the software lifecycle from requirements analysis to support and maintenance. Collaborate closely with clients and More ❯
SeniorSoftwareEngineer – Full Stack ⚙️ TypeScript, React, Node 📍 London | Hybrid 💰 up to £100K + Equity We’re partnering with a fast growing London founded scale up that is transforming how companies manage and empower their people. Their intuitive integration rich platform replaces outdated HR systems with a single beautifully designed hub, helping HR, Finance and IT teams … admin and focus on what really matters. Backed by top tier investors and already trusted by a global customer base, they are now expanding their engineering team with several Senior Full Stack Software Engineers to help take their product to the next level. The Role As a SeniorSoftwareEngineer, you will: ✨ Design, build and … enjoy working across the product 🧠 Can make thoughtful architectural decisions in a scaling environment 🗣️ Are comfortable working closely with stakeholders across teams to solve complex problems 🎨 Care about crafting software that balances powerful functionality with excellent usability What’s on Offer 💷 Competitive salary (up to £100K) and meaningful equity in a high growth company 🏢 Hybrid working model with a More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Oliver Bernard
SeniorSoftwareEngineer – Full Stack ⚙️ TypeScript, React, Node 📍 London | Hybrid 💰 up to £100K + Equity We’re partnering with a fast growing London founded scale up that is transforming how companies manage and empower their people. Their intuitive integration rich platform replaces outdated HR systems with a single beautifully designed hub, helping HR, Finance and IT teams … admin and focus on what really matters. Backed by top tier investors and already trusted by a global customer base, they are now expanding their engineering team with several Senior Full Stack Software Engineers to help take their product to the next level. The Role As a SeniorSoftwareEngineer, you will: ✨ Design, build and … enjoy working across the product 🧠 Can make thoughtful architectural decisions in a scaling environment 🗣️ Are comfortable working closely with stakeholders across teams to solve complex problems 🎨 Care about crafting software that balances powerful functionality with excellent usability What’s on Offer 💷 Competitive salary (up to £100K) and meaningful equity in a high growth company 🏢 Hybrid working model with a More ❯
Oxfordshire, England, United Kingdom Hybrid / WFH Options
Humand Talent
SeniorSoftwareEngineer We’re supporting a pioneering technology company who are building some of the most advanced systems in the world. They’re now looking for a SeniorSoftwareEngineer to join their growing team and play a key part in developing cutting-edge solutions. This is a fantastic opportunity to work on … unique challenges that will push the boundaries of what’s possible in computing. You’ll collaborate with highly skilled engineers and scientists, developing the software that drives complex hardware platforms and contributes to world-class innovation. The role As a SeniorSoftwareEngineer, you’ll work across a variety of technical areas, including: Designing and extending More ❯
SeniorSoftwareEngineer (Node.js) Location: Hybrid working in London Salary: £80,000-95,000 + options Are you passionate about using technology to tackle real-world sustainability challenges? As a SeniorSoftwareEngineer (Node.js), you’ll be at the heart of building scalable backend systems that process and analyse massive streams of performance data … production-grade backend systems. Strong proficiency in Node.js, JavaScript/TypeScript. Solid understanding of distributed or event-driven systems. Experience with cloud platforms, AWS ideally. If you’re a SeniorSoftwareEngineer (Node), looking to work in an early stage start-up, please apply. More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Oliver Bernard
SeniorSoftwareEngineer (Node.js) Location: Hybrid working in London Salary: £80,000-95,000 + options Are you passionate about using technology to tackle real-world sustainability challenges? As a SeniorSoftwareEngineer (Node.js), you’ll be at the heart of building scalable backend systems that process and analyse massive streams of performance data … production-grade backend systems. Strong proficiency in Node.js, JavaScript/TypeScript. Solid understanding of distributed or event-driven systems. Experience with cloud platforms, AWS ideally. If you’re a SeniorSoftwareEngineer (Node), looking to work in an early stage start-up, please apply. More ❯
Leeds, England, United Kingdom Hybrid / WFH Options
WRK digital
SeniorSoftware Developer - Digital and Customer Experience Location: Leeds - Hybrid (UK-based) Level: Senior/Lead Developer Tech Stack: C# .NET | Azure | Blazor | Modern Front-End | DevOps | AI Tools Salary : Up to 80,000 + Benefits Are you a passionate and experienced developer who wants to make a real impact in an award-winning, innovation-driven environment … WRK digital are delighted to be shortlisting for a SeniorSoftware Developer to help us reshape how a major legal organisation delivers its digital services. You’ll be joining a collaborative, agile team that’s already turning heads in the industry — recognised with awards for AI, innovation, and digital transformation, including Transformation Team of the Year. From AI … powered development tools to cutting-edge cloud architecture, this Software Development team are investing in innovation to deliver smarter, faster, and more secure innovative solutions. 🚀 About the Role: As a SeniorSoftware Developer, you'll: Lead the design and development of scalable, high-performance applications using the Microsoft stack (C# .NET, Azure) Drive front-end development to More ❯
Leeds, West Yorkshire, United Kingdom Hybrid / WFH Options
SeniorSoftware Developer - Digital and Customer Experience The information below covers the role requirements, expected candidate experience, and accompanying qualifications. Location: Leeds - Hybrid (UK-based) Level: Senior/Lead Developer Tech Stack: C# .NET Azure Blazor Modern Front-End DevOps AI Tools Salary : Up to 80,000 + Benefits Are you a passionate and experienced developer who … wants to make a real impact in an award-winning, innovation-driven environment? WRK digital are delighted to be shortlisting for a SeniorSoftware Developer to help us reshape how a major legal organisation delivers its digital services. You ll be joining a collaborative, agile team that s already turning heads in the industry recognised with awards for … AI, innovation, and digital transformation, including Transformation Team of the Year. From AI-powered development tools to cutting-edge cloud architecture, this Software Development team are investing in innovation to deliver smarter, faster, and more secure innovative solutions. About the Role: As a SeniorSoftware Developer, you'll: Lead the design and development of scalable, high-performance More ❯
Edinburgh, Midlothian, United Kingdom Hybrid / WFH Options
User Testing Company
SeniorSoftwareEngineer lI (Front-end focused) page is loaded SeniorSoftwareEngineer lI (Front-end focused)remote type: Remotelocations: Remote - Spain: Edinburghtime type: Full timeposted on: Posted Todayjob requisition id: R-100889We're UserTesting-the leader in human insight. Our mission is to help organizations craft exceptional customer experiences through fast, actionable feedback.We … means being part of a passionate group focused on transforming how companies understand and connect with their customers.Let's build experiences people love-together.# About this opportunity: As a SeniorSoftwareEngineer, you'll play a critical role in designing and building scalable, reliable systems. You'll collaborate closely with a diverse team to create software … mentor and learn effectively, and contribute meaningfully to our technical evolution.# What you'll do: Daily analyzing and designing reliable & scalable Engineering solutions. Guiding the team to bring solid software to production. Collaborating with product, design and architecture Critically reviewing and documenting architectural decisions, and able to defend & discuss proposals with managers and teammates. Providing technical context and finding More ❯