151 to 175 of 361 Permanent Senior Software Engineer Jobs

About the Job This position is for a Senior Software Engineer with a minimum of 5 years of experience in backend development and a passion for building robust, scalable systems. We are looking for an engineer with a strong background in the C# .NET ecosystem … preference for candidates with significant experience on AWS. Are you ready for a challenge? We’re looking for a dynamic software engineer excited to help scale a fintech start-up. Here, you won’t be bogged down by legacy code—you’ll have the opportunity to build innovative ...

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

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

Senior/Lead Embedded Software Engineer Hybrid Edinburgh (1-2 days onsite) £60,000 £75,000 Job Overview: An established engineering business is looking for a Senior/Lead Embedded Software Engineer to take ownership of a brand-new hardware development project. This … hands-on with real hardware on the desk, close collaboration with engineering leadership, and long-term technical impact. Key Responsibilities: Develop and lead embedded software and firmware in C++ and Embedded Linux. Build and maintain low-level software and hardware interfaces. Work with hardware engineers on board bring ...

Senior/Lead Embedded Software Engineer Hybrid – Edinburgh (1-2 days onsite) £65,000 – £75,000 Job Overview: An established engineering business is looking for a Senior/Lead Embedded Software Engineer to take ownership of a brand-new hardware development project. This … hands-on with real hardware on the desk, close collaboration with engineering leadership, and long-term technical impact. Key Responsibilities: Develop and lead embedded software and firmware in C++ and Embedded Linux. Build and maintain low-level software and hardware interfaces. Work with hardware engineers on board bring ...

Senior/Lead Embedded Software Engineer Hybrid Edinburgh (1-2 days onsite) £60,000 £75,000 Job Overview: An established engineering business is looking for a Senior/Lead Embedded Software Engineer to take ownership of a brand-new hardware development project. Interested … hands-on with real hardware on the desk, close collaboration with engineering leadership, and long-term technical impact. Key Responsibilities: Develop and lead embedded software and firmware in C++ and Embedded Linux. Build and maintain low-level software and hardware interfaces. Work with hardware engineers on board bring ...

while making a rewarding impact and Keeping Commerce Human. What's the role? Etsy's Services Infrastructure group is looking for a Site Reliability Engineer II to join us in our mission of building and supporting reliable large scale Kubernetes infrastructure. The SRE team owns several aspects of business … search retrieval & ranking and more as you build systems to support the services that support our 86M active buyers and 5.5M sellers! As the Senior Software Engineer I, SRE you will drive the adoption of containers and Kubernetes, improve reliability, automate operations and provide a self service ...

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

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

circularity meets automation: smarter for your team, safer for your data, and better for the planet. 🎯 The Role We’re looking for a Founding (Senior) Software Engineer to build and shape the Klyk platform from zero-to-one. This is a foundational position with significant autonomy, where … automated IT services. 🎯 Autonomy and trust Work directly with founders and influence decisions from day one. 💡 Experienced Co-Founder team Experienced Founder Team across Software Development, IT & Cyber & Business scaling 🧠 Continuous learning Get exposure to product strategy, operations, sales, cyber, AI, and the realities of building a fast-growing ...

Senior Software Engineer – Python/React/Next.js (Agnostic Backend) £140,000–£200,000 Base + Serious equity Rare chance to join a very early stage AI platform that has just raised an unusually large Series A of close to $100 Million from tier one fintech ...

Senior/Lead Embedded Software Engineer Hybrid Edinburgh (1-2 days onsite) £60,000 £75,000 Job Overview: An established engineering business is looking for a Senior/Lead Embedded Software Engineer to take ownership of a brand-new hardware development project. This ...

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

Senior Software Developer (Ruby on Rails) Location Dublin, Ireland, with a healthy balance between remote work and time on-site with the team. 1 day a week onsite in Dublin City Centre. About A growing and successful SaaS startup (in business since 2018) helping businesses gain real-time … product is live and generating good revenue. They are evolving, with an ambitious roadmap for 2026. The Role We're looking for a Senior Software Developer who enjoys building, leading, and taking ownership. You'll be a hands-on contributor while also helping shape how the engineering team ...

Senior Software Engineer St Albans (Hybrid) £75,000 + Bonus + Shares Method Resourcing partnering with a market-leading IoT technology provider supporting sectors such as fire, security, utilities, and critical infrastructure. Backed by private investment and operating internationally, this organisation is continuing to scale its engineering ...

Senior C# Software Engineer X 4 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# Software Engineer to help shape the next generation of their technology solutions click apply for full job details ...

organisation is developing high-performance RF and electronic systems used across telecoms, defence and advanced communications. The team are now looking for an Embedded Software Engineer to take a leading role in the design, development and optimisation of embedded software for complex hardware platforms, from early concept … closely with FPGA, digital and systems engineers, helping to manage, control and calibrate advanced RF platforms built on modern SoC architectures. For this Embedded Software Engineer role, we are looking for someone with: Strong experience developing bare-metal embedded software and bootloaders Hands-on experience with Xilinx ...

Senior Software Engineer Edinburgh Permanent iO Associates are working with an outstanding Engineering provider who are looking to add a new Senior member to join their Software team, due to ongoing growth. They design and manufacture electronic instruments and electromechanical devices across different markets. With … this role being a senior vacancy, you will have the chance to take ownership of development with the projects that you will be working on. Required skills: Embedded Software development Linux operating systems C programming Knowledge of networking fundamentals Responsibilities: Develop embedded GNU/Linux software Deliver ...

early space missions - Spacelabs empowers care teams with real-time insights to improve patient outcomes across critical and perioperative care environments. ROLE OVERVIEW: The Senior Software Engineer will be a member of the Spacelabs R&D engineering team working on the development of Spacelabs Patient Monitoring … solid design and development practices and the ability to apply those to Spacelabs product development. The person will be accountable for developing and delivering software that supports the next generation patient monitoring products. They will work with other cross-functional members to provide technical software level expertise ...

Senior C++ Software Developer, Python - Financial/Banking Candidates will have 5+ years C++ experience (ideally more) and excellent knowledge of Python - ideally coming from a Financial/Banking background with knowledge of Equities, Futures & Options and Fixed Income and Exchange Connectivity, FIX Protocol and some Low Latency … work with the Product, Infrastructure and QA teams, to produce high performance, low latency and highly reliable code. Your goal will be to develop software which handle large amount of TPS to drive a highly efficient technology used by several markets around the world. To be successful in this ...

Role: Senior Software Engineer Location: Edinburgh/Towcester Start Date: ASAP Duration: Permanent Salary: Depending on Experience Role Summary You will work as part of a small, focused team responsible for developing and supporting a complex software platform used across multiple hardware products. The role spans … full software development lifecycle-from requirements analysis and system design through implementation, verification, release, documentation, and post-delivery support-within a structured, quality-driven engineering environment. The position involves development across multiple layers of the software stack, including low-level bootloaders and Linux kernels, hardware interfacing and management ...

Senior .NET Software Engineer - Drive a High-Impact Greenfield Rebuild! Location: Dublin City Centre (On-site, 5 days/week - non-negotiable) Tech Stack: C# .NET 8+ Azure SQL Server/Cosmos DB Camunda A High-Ownership, Fast-Moving Engineering Opportunity with a Market Leader … senior C#/.NET engineer looking for genuine technical impact? A place where you're not just coding, but architecting, shaping, and steering an entire platform from the ground up? This is your opportunity to join one of the most profitable, rapidly expanding companies in the industry ...

Title: Senior Embedded Software Engineer Rank: Determined by the confirmed level and scope of experience Company: Chevalier Tech Limited Location: Colindale, Greater London (On-site) Salary: Salary is competitive and negotiable based on experience. Job Type: Full-time, Permanent About Us Chevalier Tech Limited is a tier … Smart Door Handles, and Control Electronics, which are integrated into high-end passenger and super cars worldwide. About the Role As a highly Experienced Software Engineer , you will lead the software engineering team, play a pivotal role in the design, development, and implementation of embedded software ...

Title: Senior Embedded Software Engineer Location: Edinburgh Salary: We know salary transparency matters. While we can’t list a figure on this advert, the client is genuinely flexible and open to shaping the package around the right person. Employment Type: Permanent Working Arrangements: On-Site working. … long‑established engineering and technology company is seeking an Embedded Software Engineer to take ownership of embedded Linux and low‑level software development across its next generation of high‑performance products. This is a hands‑on, influential role, working from concept through to production. ...

your impact and unlock incredible career growth opportunities, join us, and build real world value. THE WORK: We are looking for a Senior Software Engineer passionate about solving ambitious problems and working directly with Ripple Trading and Markets in the cross-border payments space. We are passionate … complement Ripple’s Payments, Custody and Stablecoin business units WHAT YOU’LL DO: Be an ambitious builder, working up and down the stack, mixing software engineering, data engineering, and distributed systems knowledge to build modern enterprise payment applications. Build reliable, high-throughput, low-latency microservices to power a diverse ...