SeniorSoftwareEngineer - TS, React, Next.js, Node £70,000-85,000 3-4 days p/week in London Would you like the opportunity to work for a fast-growing start-up, currently looking for a Senior Fullstack TypeScript Engineer? You will be joining a dynamic product team, where you will be building great software … world of AI. The company is committed to providing a seamless experience for both customers and internal teams. You will work within a unified codebase that drives their B2B software and custom AI. As a SeniorSoftwareEngineer, you will be working across their stack using TypeScript, React, Next.js, Node.js, and LLMs. Core requirements: Commercial experience … Strong expertise in designing and maintaining scalable, high-performance web applications Hands-on experience integrating with AI models like ChatGPT A good understanding of databases Experience working on B2B software platforms with multiple users would be a bonus. If you’re a SeniorSoftwareEngineer (TypeScript) who enjoys the idea of working in a fast-paced More ❯
SeniorSoftwareEngineer - TS, React, Next.js, Node £70,000-85,000 3-4 days p/week in London Would you like the opportunity to work for a fast-growing start-up, currently looking for a Senior Fullstack TypeScript Engineer? You will be joining a dynamic product team, where you will be building great software … world of AI. The company is committed to providing a seamless experience for both customers and internal teams. You will work within a unified codebase that drives their B2B software and custom AI. As a SeniorSoftwareEngineer, you will be working across their stack using TypeScript, React, Next.js, Node.js, and LLMs. Core requirements: Commercial experience … Strong expertise in designing and maintaining scalable, high-performance web applications Hands-on experience integrating with AI models like ChatGPT A good understanding of databases Experience working on B2B software platforms with multiple users would be a bonus. If you’re a SeniorSoftwareEngineer (TypeScript) who enjoys the idea of working in a fast-paced More ❯
.Senior SoftwareEngineer II - Cirium page is loaded SeniorSoftwareEngineer II - Ciriumlocations: Surreytime type: Full timeposted on: Posted Todayjob requisition id: R99991 About the Business: At Cirium, our goal is to keep the world connected. We are the industry leader in aviation analytics; helping our customers understand the past, present, and predicting what will … manufacturers, financial institutions and many more accelerate their own digital transformation. You can learn more about Cirium About the Team: You will be joining a collaborative, curious, team of Software Engineers at all different levels. By joining us you will have the opportunity to share ownership in solving this problem end to end. About Role: The SeniorSoftwareEngineer II role is a key contributor role supporting the curation, development and supply of Schedules data, a foundational Cirium dataset supporting internal stakeholders (Data Operations, Data Delivery and Supply Management) and a large customer base. This position performs complex research, design, and software development assignments, and provides direct input to project plans, schedules, and methodology in More ❯
Teversham, Cambridgeshire, United Kingdom Hybrid / WFH Options
SoCode Limited
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, 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 ❯
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 ❯
Job Title: SeniorSoftwareEngineer - SDK & GUI Development Description: We are hiring for our client, an innovative technology company based in Larne, who require an experienced SeniorSoftwareEngineer to lead the architecture, development and maintenance of a cross-platform Software Development Kit (SDK). The successful SeniorSoftwareEngineer will also design intuitive Graphical User Interfaces (GUIs) and integrate advanced third-party hardware drivers (USB3, CoaXPress, CameraLink). This is a senior technical role combining strategic architectural input with hands-on coding, with an emphasis on building robust, scalable and developer-friendly tools and offering the opportunity to shape core product technology and mentor a talented R … QA, and the cross-functional R&D team to align the SDK with product strategy. Mentor junior engineers and contribute to building a culture of technical excellence and building software development skills. Provide input into long-term technology road maps and product architecture decisions. The Person Technical Expertise Proven experience in designing and maintaining SDKs (C, C++, C#). 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 ❯
oxford district, south east 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 - Reporting & Delivery Engineering page is loaded SeniorSoftwareEngineer - Reporting & Delivery Engineeringlocations: London, GBRtime type: Full timeposted on: Posted Todaytime left to apply: End Date: November 30, 2025 (30+ days left to apply)job requisition id: R29828FactSet creates flexible, open data and software solutions for over 200,000 investment professionals … can come from anyone, anywhere, at any time, and that curiosity is the key to anticipating our clients' needs and exceeding their expectations.The Analytics Reporting group is seeking a SeniorSoftwareEngineer to join the Publisher Infrastructure team.This team is primarily responsible for the design and development of the Publisher Service, FactSet's premier cloud-based reporting … Analytics products. We are also focused on expanding into the "Digital Strategy" market with portals, components, and interactive data, and these services are critical to that functionality.The team: 2 Software engineers based in the USA and 4 Software Engineers based in the UKTechnical stack: AWS, .NET, Docker, SQL, NoSQL, WPF, Terraform, Jira, Confluence Responsibilities: Contribute new features, fixes 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 ❯
SENIORSOFTWAREENGINEER - eDV CLEARED NEW PERMANENT JOB OPPORTUNITY AVAILABLE WITHIN A GLOBALLY LEADING NATIONAL SECURITY COMPANY FOR A SENIORSOFTWAREENGINEER WITH eDV CLEARANCE Permanent job opportunity for a SeniorSoftwareEngineer Globally leading defence/cyber security company Salary up to £100,000 plus clearance bonus London based organisation More ❯
Are you a Software professional with a background in DSP and have exposure to developing 5G applications? If so I'd like to speak with you! A well-established R&D organisation who are also a market leader, are looking to rapidly expand their engineering team and as such are seeking an Embedded SoftwareEngineer to join … their development team near Leicestershire. As an Embedded SoftwareEngineer you will have a background in Digital Signal Processing and a working knowledge of communications systems engineering. To successful candidate for the Embedded SoftwareEngineer job will have a mixture of embedded/bare metal experience alongside an understanding of implementing communication signal processing algorithms such … as DDCs, filters, FFTs. Skills/Experience required for the Embedded SoftwareEngineer job include: - BEng/BSc or MSc/Meng within Engineering (Ideally Electronics, Telecommunication or similar) - Experience in DSP Algorithm simulation and 5G development - Experience in Bare Metal/Embedded C - Experience with RF a bonus Experience of the following would be advantageous: - Cross compilers More ❯
SeniorSoftwareEngineer Location: Surrey Salary: c.£75,000 Overview An excellent opportunity for a SeniorSoftwareEngineer to join a leading technology business developing high-performance electronic and communication systems for use in regulated, safety-critical environments . We're seeking an experienced embedded softwareengineer who has worked on human … interfaced equipment —ideally within telecommunications, avionics, defence, or other regulated sectors —and is confident taking projects through the full software lifecycle from requirements analysis to release . Purpose of the Role To design, develop, test, and deliver high-quality embedded software to agreed schedules and standards, supporting new and existing product developments. Key Responsibilities Design, code, debug, test … and maintain embedded software in C. Develop and implement application logic, device drivers, communication protocols, and human-machine interfaces. Work closely with hardware and software engineers to deliver product features and ensure seamless integration. Take responsibility for requirement analysis, software design, documentation, and traceability in line with company and regulatory standards. Participate in peer reviews, continuous improvement More ❯
SeniorSoftwareEngineer/Architect C#, Azure, DevOps, ElasticSearch, Kubernetes Hybrid - 2 days per week on-site in Southampton Salary: £65,000 - £75,000 + bonus Are you an experienced SeniorSoftwareEngineer looking for your next big challenge? Join a global tech leader where innovation, high performance, and career growth are at the … heart of everything they do. This is your chance to make a real impact as a SeniorSoftwareEngineer/Architect , working on mission-critical systems in a cutting-edge environment. You will be responsible for: Owning the architecture, and carrying out design, implementation and developer-level test, of UI, server, and interface components, using C#, in More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Harrington Starr
SeniorSoftwareEngineer Key Technologies: C#, .NET, React, AWS, Docker, Kubernetes City of London, United Kingdom Perm Role: £80,000 - £120,000 Harrington Starr has partnered with a Global Financial Services Vendor and they are looking for a Senior C#, .NET SoftwareEngineer to join their growing team! This role provides the perfect opportunity … communication skills. Unrestricted right to work in the UK. This role offers hybrid working, with an office location based in the City of London. This role will suit a SeniorSoftwareEngineer, with expert C#, .NET experience and commercial use of React having a direct impact from the get-go. Apply below and if you have any More ❯
SeniorSoftwareEngineer Key Technologies: C#, .NET, React, AWS, Docker, Kubernetes City of London, United Kingdom Perm Role: £80,000 - £120,000 Harrington Starr has partnered with a Global Financial Services Vendor and they are looking for a Senior C#, .NET SoftwareEngineer to join their growing team! This role provides the perfect opportunity … communication skills. Unrestricted right to work in the UK. This role offers hybrid working, with an office location based in the City of London. This role will suit a SeniorSoftwareEngineer, with expert C#, .NET experience and commercial use of React having a direct impact from the get-go. Apply below and if you have any More ❯
london, south east england, united kingdom Hybrid / WFH Options
Harrington Starr
SeniorSoftwareEngineer Key Technologies: C#, .NET, React, AWS, Docker, Kubernetes City of London, United Kingdom Perm Role: £80,000 - £120,000 Harrington Starr has partnered with a Global Financial Services Vendor and they are looking for a Senior C#, .NET SoftwareEngineer to join their growing team! This role provides the perfect opportunity … communication skills. Unrestricted right to work in the UK. This role offers hybrid working, with an office location based in the City of London. This role will suit a SeniorSoftwareEngineer, with expert C#, .NET experience and commercial use of React having a direct impact from the get-go. Apply below and if you have any More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Harrington Starr
SeniorSoftwareEngineer Key Technologies: C#, .NET, React, AWS, Docker, Kubernetes City of London, United Kingdom Perm Role: £80,000 - £120,000 Harrington Starr has partnered with a Global Financial Services Vendor and they are looking for a Senior C#, .NET SoftwareEngineer to join their growing team! This role provides the perfect opportunity … communication skills. Unrestricted right to work in the UK. This role offers hybrid working, with an office location based in the City of London. This role will suit a SeniorSoftwareEngineer, with expert C#, .NET experience and commercial use of React having a direct impact from the get-go. Apply below and if you have any More ❯
slough, south east england, united kingdom Hybrid / WFH Options
Harrington Starr
SeniorSoftwareEngineer Key Technologies: C#, .NET, React, AWS, Docker, Kubernetes City of London, United Kingdom Perm Role: £80,000 - £120,000 Harrington Starr has partnered with a Global Financial Services Vendor and they are looking for a Senior C#, .NET SoftwareEngineer to join their growing team! This role provides the perfect opportunity … communication skills. Unrestricted right to work in the UK. This role offers hybrid working, with an office location based in the City of London. This role will suit a SeniorSoftwareEngineer, with expert C#, .NET experience and commercial use of React having a direct impact from the get-go. Apply below and if you have any More ❯
Southampton, Hampshire, South East, United Kingdom Hybrid / WFH Options
Spectrum It Recruitment Limited
Are you an experienced SeniorSoftwareEngineer with strong Delphi expertise? Join a forward-thinking technology business, working on a diverse range of bespoke applications, APIs, and databases that underpin both customer-facing products and internal systems. SeniorSoftwareEngineer - Delphi & C# Location: Hybrid (office in Southampton, Hampshire) Salary: Circa … + up to 15% discretionary bonus Benefits: Bonus scheme, pension, healthcare, EV car scheme, volunteering day, career progression & more The Role As a SeniorSoftwareEngineer, you'll be part of a collaborative Agile product team, responsible for designing, developing, and maintaining innovative software solutions. You will: Write clean, efficient, and secure code in Delphi and … part in Agile ceremonies, code reviews, and sprint delivery. Support out-of-hours incident resolution on a rota basis. This role offers the chance to work across the full software lifecycle, while shaping technical direction and supporting the growth of your peers. About You You'll be a strong communicator and problem-solver, with the ability to work across More ❯
