SeniorSoftwareEngineer C#, Azure, DevOps, ElasticSearch, Kubernetes Hybrid - 2 days per week on-site in Southampton Salary: £70,000 + 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 , 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 on-premise, multi-threaded, multi-server 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 ❯
.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 ❯
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 ❯
Cambridgeshire, Teversham, 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, 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 ❯
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 ❯
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 ❯
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 ❯
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 ❯
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 ❯
portsmouth, hampshire, south east england, united kingdom Hybrid / WFH Options
Spectrum IT Recruitment
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 ❯
SeniorSoftwareEngineer - Global Financial Technology Firm Location: Belfast (Hybrid working) Job Type: Permanent Full-Time Posted by: VANRATH VANRATH is delighted to be recruiting on behalf of a global market infrastructure and trading technology firm for the position of SeniorSoftwareEngineer . This role offers an exciting opportunity to work within a … collaborative Agile engineering environment, delivering high-impact, business-critical software solutions for both internal and external stakeholders across global financial and commodities markets. This is an ideal position for an experienced engineer with strong proficiency in C# or Java, a passion for quality and testing, and a desire to be part of a modern, forward-thinking development culture. … The Opportunity As a SeniorEngineer, you will join a high-performing technology division within a multinational organisation that powers price discovery, liquidity access, and data distribution across 60+ global offices. Working as part of a cross-functional, self-organising Agile team, you will contribute to the design and delivery of innovative solutions, applying best practices in CI More ❯
A market-leading organisation is looking to add a Senior Embedded SoftwareEngineer to its growing R&D team in Livingston, Midlothian. This company develop state-of-the-art complex products and are sold all over the world. They are market leaders in their industry and are growing year on year. Due to growth, they are looking … to add an additional Senior Embedded SoftwareEngineer to their team. As a Senior Embedded SoftwareEngineer, you will be responsible for working on the full product lifecycle of software for embedded systems, from concept through to manufacture. In this role, you will continuously play an integral role in the development of high … performance, real-time embedded products. You will have some leadership responsibility and will direct the workload of graduate and junior embedded software engineers. The Senior Embedded SoftwareEngineer must have: Degree in Computer Science or Electronics 6+ years of experience in software development using C and C++ Deployment of applications and drivers onto an embedded More ❯
SeniorSoftwareEngineer - Up to £300,000 - Cambridge Title : SeniorSoftwareEngineer Company : Proprietary HFT Location : Cambridge Pay : Up to £300,000 with huge potential to increase Company : A proprietary trading firm in Cambridge, specialising in the research and development of ultra-low-latency automated trading strategies, are looking for a SoftwareEngineer with a demonstrable background of delivering complex projects from a concept through to delivery. It is important that you have been involved in the entire software development life cycle (SDLC), as this dynamic role will require you to rapidly prototype - and ultimately move into production - highly complex, reliable and performant systems - oftentimes from scratch. Role : Develop ultra-low … latency exchange connectivity layers using reliable C++ code Work closely with a close-knit team of Software Developers and Quant Traders Build mission-critical research systems from scratch This is an early-stage hire for the team. Much of your work will be completely greenfield. You will be involved in the designing, prototyping, testing and productionising new software. Providing More ❯
Cambridge, Cambridgeshire, East Anglia, United Kingdom
Platform Recruitment Limited
SeniorSoftwareEngineer - Up to £300,000 - Cambridge Title : SeniorSoftwareEngineer Company : Proprietary HFT Location : Cambridge Pay : Up to £300,000 with huge potential to increase Company : A proprietary trading firm in Cambridge, specialising in the research and development of ultra-low-latency automated trading strategies, are looking for a SoftwareEngineer with a demonstrable background of delivering complex projects from a concept through to delivery. It is important that you have been involved in the entire software development life cycle (SDLC), as this dynamic role will require you to rapidly prototype - and ultimately move into production - highly complex, reliable and performant systems - oftentimes from scratch. Role : Develop ultra-low … latency exchange connectivity layers using reliable C++ code Work closely with a close-knit team of Software Developers and Quant Traders Build mission-critical research systems from scratch This is an early-stage hire for the team. Much of your work will be completely greenfield. You will be involved in the designing, prototyping, testing and productionising new software. Providing More ❯
