26 to 50 of 51 Senior Software Engineer Jobs in Dartford

Senior C++ Software Engineer Global FinTech Remote (NI & RoI) Permanent | Full-time Market based salary + bonus & excellent benefits package IT Search is proud to partner with a global FinTech leader expanding its UK engineering presence. We're looking for a Senior C++ Software Engineer More ❯

Senior Software Engineer Tech Stack: C#, .NET, Microservices, Docker, Kubernetes, AWS/Azure United Kingdom Full Remote: Perm Role Salary: £85,000 - £110,000 Harrington Starr has partnered with an innovative start up FinTech who specialise in providing market access and data from their ultra low-latency … platform to financial service firms, leading exchanges and single dealers across digital assets, FIX and more. They are looking to hire a Senior C#, .NET Engineer with strong experience in start-up/scale up firms, able to take ownership of developing new applications, adding features to existing More ❯

provider of Network Security solutions specializing in automatic detection and mitigation, network visibility, analytics, and reporting tools. About the Role Are you a seasoned software engineer with a passion for designing and developing cloud-native Infrastructure-as-Code (IaC) solutions from the ground up? Our client is seeking … a talented and motivated Senior Software Engineer to lead the development of our next-generation observability platform. THIS IS NOT A DEVOPS ROLE. Responsibilities Collaborate within a dynamic software engineering team to architect and build a new cloud-native IaC platform. Develop software using technologies … or on-premises setups. Engage in the full development lifecycle: design, define work, document, debate, code, debug, and support features from inception. Qualifications A software developer experienced in designing and delivering complex IaC capabilities from scratch, not merely operating existing environments. A background in developing cloud-native systems software More ❯

Senior Software Engineer – C/C++ Global FinTech Remote (NI & RoI) Permanent | Full-time £60K + bonus & excellent benefits package IT Search has partnered with a global fintech that’s growing its UK engineering team. They’re looking for a Senior C/C++ Engineer … maintain secure, high-performance systems that power real-time payments on a global scale. In this role, you’ll design and develop core backend software, working closely with a talented team to integrate with partner APIs and tackle challenges around performance, scalability, and reliability. It’s a product-focused … in a collaborative environment with strong technical standards. What you need: Solid experience with C or C++ in a production environment Familiarity with modern software engineering practices: version control, testing, code reviews Comfortable working with structured data (e.g. XML, JSON) and API interactions Strong analytical and problem-solving skills More ❯

Exciting Opportunity: Senior Embedded Software Engineer We are working with a pioneering client at the forefront of innovation in the telecoms and technology space. They are seeking a talented Senior Embedded Software Engineer to join their growing R&D team. If you're passionate … be the perfect role for you! The Role This is a unique chance to work with a highly skilled, multidisciplinary team, designing and developing software for market-leading test and measurement products. You'll contribute to delivering solutions that meet the latest telecom standards, focusing on precise timing synchronization. … Your Responsibilities End-to-end embedded software development: from requirements analysis to integration and testing. Collaborate with product owners to turn high-level requirements into innovative software solutions. Work alongside hardware engineers and high-level software developers to optimize system interfaces. Deliver projects on time, maintaining exceptional More ❯

I am exclusively supporting a FinTech Product Company who are currently hiring for 2 x Senior Software Engineers to join their remote engineering team. They are profitable and already have their product (which i can expand on) used by a number of enterprise clients. They are looking for … a confident, experienced & passionate Senior Software Engineer with a product mindset and a deep understanding of Software Engineering. As a business, they are heavily driven by quality engineering & innovation and try to do things in a product mindset based around their end users. The role is … + experience with another backend language (Ruby, C++. Elixir, Haskell, Go, Clojure or Scala) Private projects to showcase + deep interest/passion for software engineering is also a plus! They are also working heavily within AI and working with up to date AI technologies They are paying up More ❯

Senior/Lead Software Engineer AI/ML Based in London this Hybrid option working on an exciting new technology focusing on Data Centres to develop technology for reducing energy consumption to help support a sustainable future. The team is full of really keen technologists who are … extremely passionate about their technology. The Senior Lead Software Engineer will be responsible for Software Architecture definition in collaboration with a broader Team. The key focus of this role is in developing Software for High Speed Drivers and preferably Linux PCIe Driver Development. In addition … responsibilities will be developing Software for integration and interface frameworks on CPU and GPU and also Embedded Software Development (although not essential, as any Software Development for Drivers is key) The successful candidate will have a good relevant Degree and have a real passion for Software More ❯

Job Title: Senior Embedded Software Engineer Location: Doncaster Salary: Up to £60,000 + benefits Join a forward-thinking team in Doncaster, working with a leading developer of IoT-connected devices that power smarter, safer environments. Our client is passionate about delivering intelligent, reliable solutions that connect … and protect—at home, at work, and beyond. The Role: We’re seeking an experienced Embedded Software Engineer to help design and develop the next generation of IoT-enabled products. You’ll play a key role in building robust embedded systems that support real-time connectivity and intelligent … control. Responsibilities: Develop, implement, and test embedded software for IoT-connected devices Collaborate with cross-functional teams to define system requirements and architecture Troubleshoot and resolve hardware/software integration challenges Optimize embedded software for performance, efficiency, and reliability Participate in code reviews and contribute to continuous More ❯

Senior Software Developer UK Remote £80,000 - £95,000 + Insurance + Pension An excellent opportunity awaits an experienced software developer with strong .NET and React skills to join a leading software company in a role offering strong technical variety, ongoing development opportunities, and involvement in … genuinely interesting projects. This company builds innovative software and data management systems that support critical decision-making in sectors such as environmental monitoring, infrastructure, and energy. In this role you'll join as a senior member of the development team, taking a hands-on role in the full … or interest in scientific, environmental, or infrastructure-related domains is a bonus. This is an excellent opportunity to join a collaborative and tech-focused software team in a senior position offering a mix of engineering depth, meaningful projects, and long-term growth. The Role: *Full-stack development using More ❯

Position Available : Senior Software Engineer Location : Hertfordshire Salary : £50,000 - £68,000 (DoE) Experience needed : Experience of software engineering best practice within a complex, high-technology engineering or manufacturing industry such as aerospace, defence, automotive, robotics, electronics, space technology etc. We have several roles available and … C++ or Ada. About the role In these roles, you will be working across multiple applications on complex high-technology projects in our Test Software department. This role allows for involvement in some of the most sophisticated systems in the world across multiple domains, and provides a great opportunity … for someone wanting to be involved in many differing areas of software. What we are looking for: Strong ability to write software in either C, C++ or Ada Experience in a complex engineering environment Experience with good software engineering practices across the full lifecycle Experience of working in More ❯

Senior Software Engineer – Java - FinTech Remote First | London (UK) | Up to £120k + Benefits Are you a Java developer who thrives in a collaborative, test-driven environment? Do you believe in pair programming, continuous integration, and clean, maintainable code? If so, we’d love to hear from More ❯

We’re partnered with a globally recognised team behind a widely used open-source platform. They’re looking for a Senior Software Engineer with strong Ruby experience to lead on new feature development, performance improvements, and robust testing — all within a fully remote environment. You’ll be More ❯

Senior Fullstack Engineer | React, Node.js, Next.js, API | Tech for Good This is the chance to work for a unique organisation! Our client is a not-for-profit that reviews/certifies companies, governments and financial institutions for their environmental impact and awareness. They are the main global authority … the UK with an office in central London and has 700 staff globally (100 circa in the UK). My client is looking for Senior Full Stack Engineers who will play a key role in the ongoing development and innovation of their newly created platform. This role is fully … the world Paid sabbaticals Generous maternity & paternity benefits This is an urgent role and will go fast. If you are interested, please apply quickly!!! Senior Fullstack Engineer | React, Node.js, Next.js, API | Tech for Good More ❯

to join us in person once a month for team meetings in either Edinburgh or London. How you will make a difference: As the Senior Software Engineer , you will play a key role as part of an agile team building innovative products that make life better for … continuous feedback Advance the values of the organisation (caring, accountability, integrity, empowerment, passion, fun) What will make you stand out: Extensive experience in professional software development, with a strong track record of building and delivering high-quality applications Expert proficiency with JavaScript (NextJS, TypeScript, and SST) Strong experience with More ❯

latest tech. (They have big plans for their 2025 pipeline!!) The team will be breaking into 4 squads and they are looking for a Senior Software Engineer to step into one of the squads. There's huge encouragement to progress and upskill within the business- you'll More ❯

Senior Full Stack Engineer | Remote | React | Node | TypeScript | £95k + Equity La Fosse has partnered with a creator enablement platform that helps some of the world's most famous and talented creators maximise their commercial potential. As they move towards securing Series B funding, they are seeking Senior … with a quick 3-stage virtual interview. If you're interested in the position and feel you fit some of the requirements, apply now! Senior Full Stack Engineer | Remote | React | Node | TypeScript | £95k + Equity More ❯

X2 Senior Software Developers - C#, .Net, EF, SQL, Azure - x1 per week in the office in Wigan - £50,000- £70,000 Are you looking for... An opportunity to work on innovative projects? A collaborative and supportive work environment? Career development and growth opportunities? If that's a yes … then this role could be for you. We are seeking two highly motivated Senior Developers with at least 4 years of experience. These individuals will need a real get-up-and-go attitude and thrive in a collaborative Agile/Scrum environment. Responsibilities Full-stack development using C#, .Net … Azure SQL, and Entity Frameworks Work within an Agile/Scrum team Develop automated tests to ensure software quality and efficiency Contribute to architectural decisions and product development strategies Collaborate across teams to enhance project outcomes Bonus Skills While not required, experience with any of the following would be More ❯

C++ Software Engineers (All Levels) – Edinburgh Hybrid (2 Days On-Site) We’re at a pivotal stage in building the first of two new R&D teams for a cutting-edge medical technology company based in Edinburgh. This is a rare opportunity to join a greenfield project, with up … to 22 hires planned across Principal , Senior , and Mid-Level Software Engineer roles. The product is a next-generation, globally distributed medical device, backed by a major parent organisation that ensures long-term stability and investment. The company offers a positive work-life balance, with standard working More ❯

About the Role Keysight is looking to hire a senior security software engineer to develop automated program analysis and fuzz testing capabilities for our security assessment products. The successful candidate will be key in designing and implementing novel and scalable tools for automated software composition analysis … a sense of belonging, they can be more creative, innovative, and thrive at all points in their careers. Responsibilities: Designing solutions to enable automated software composition analysis and identification of vulnerabilities Developing and maintaining software composition analysis tools Performing research in embedded device firmware security and compose articles More ❯

Senior Full Stack Developer | Remote | > £65,000 Sponsorship is not currently provided for this role. Are you a confident Mid Level Developer looking for a step up into a Senior Role or an established Senior Full Stack Developer looking to join an innovative business on their path … team? We are working with a remote business with a family feel who have created award winning technology to date. Keen to bring a Senior Developer on board to drive the business in their next stage of product growth, and be a pivotal part of their tech team. Essential … be a great role for you. Drop me your CV and contact number to beya@sr2rec.co.uk to discuss further, or a call on 07378548899. Senior Full Stack Developer | Remote More ❯

Senior Java Developer - £75k | FinTech | remote | Java, React, AWS, TypeScript G.Digital have exclusively partnered with a growing FinTech who are looking for a Senior Java Engineer. 🔧 What You’ll Do: Design, develop, and maintain high-performance Java applications Collaborate with cross-functional teams to define, design, and ship … a plus Excellent problem-solving skills and a team-first mindset 💡 Bonus Points For: Experience with Python 🚀 Package up to £75k remote working bonus Senior Java Developer - £75k | FinTech | remote | Java, React, AWS, TypeScript More ❯

Senior Java Developer 🌍 Up to £150k 💸 - Remote Working 🏡 – 6+ years experience (PhD Required) Our client, a GreenTech specialising in optimum renewable energy software, is revolutionising the energy industry by making sustainable living accessible and effortless for both suppliers and consumers. They’re looking for a Senior Java … passionate about new, advanced technologies, being able to create impactful solutions in a fast-paced, collaborative environment. Role Highlights 🌟 Design and implement high-performance software systems using Core Java, without relying on frameworks. Tackle multi-threaded, low-latency challenges, manage extensive data streams, and optimise asynchronous programming for real … sustainable energy solutions, contributing to a greener future. Key Requirements ✅ Compulsory: A PhD in Computer Science and the ability to demonstrate extensive knowledge in Software Development. 6+ years with extensive hands-on experience in Core Java, developing systems from the ground up without frameworks. Advanced proficiency in multi-threading More ❯

About the projects: We are building LLM evaluation and training datasets to train LLM to work on realistic software engineering problems. One of our approaches, in this project, is to build verifiable SWE tasks based on public repository histories in a synthetic approach with human-in-the-loop while … the dataset coverage to different types of tasks in terms of programming language, difficulty level,etc. About the Role: We are looking for experienced software engineers (tech lead level) who are familiar with high-quality public GitHub repositories and can contribute to this project. You should have experience working … with well-maintained, widely-used repos with 500+ stars. This role involves hands-on software engineering work, including development environment automation, issue triaging, and evaluating test coverage and quality Why Join Us? Turing is one of the world’s fastest-growing AI companies accelerating the advancement and deployment of More ❯

development teams in the world and it is a great opportunity to learn from the best of the best. Whilst they are open to software developers of all experiences they are specifically looking for very talented C++ Software Developers who have at least three years commercial experience using More ❯

functioning prototypes and are now scaling our operations in London. Our work environment rewards innovation, speed, and bold thinking. The role We’re hiring Senior and Staff Software Engineers to build the high-performance computing infrastructure that powers our Optical Tensor Processing Units (OTPUs). This isn’t … about scaling models—it’s about rethinking how AI workloads are executed at speed and scale. You’ll lead the design and implementation of software systems that run distributed, low-latency inference across clusters. You’ll work closely with hardware and ML teams to optimise every layer of the … compiler engineers to improve code generation, execution paths, and memory layouts using tools like LLVM or MLIR Work with hardware teams to ensure the software stack fully leverages the capabilities of our OTPU architecture Extend ML frameworks (e.g. PyTorch, ONNX, OpenXLA) to better support performance-critical inference paths Lead More ❯