226 to 250 of 5,089 Permanent Software Engineering Jobs

Software Engineer - SC or DV Cleared | Defence Sector Hybrid - 4 Days/Week Onsite in Gloucestershire Permanent | £55,000 - £75,000 DOE | I'm working with a highly regarded technology consultancy delivering advanced software solutions into the UK defence and national security sectors . As they continue to grow their footprint in this space, they're looking to … add an experienced Software Engineer to their team. This role is perfect for someone who enjoys working across the full software development lifecycle while contributing to mission-critical projects in secure environments. You'll be supporting both internal greenfield projects and defence-focused client work , with a clear emphasis on innovation, quality, and impact. Responsibilities: Design, develop, test … and deploy bespoke greenfield software solutions. Provide software consultancy and hands-on development across: Backend/frontend coding Unit, integration, and system testing CI/CD workflows and deployment automation Diagnostic tooling and support Requirements: Essential: Strong experience with at least one of the following: JavaScript (Node.js) , Python , or another OO language Active SC or DV clearance If More ❯

Tech Lead/Lead Software Engineer £up to £80,000 GBP Bonus Hybrid WORKING Location: United Kingdom (Greater London) Type: Permanent Role: Lead Software Engineer/Technical Lead Work Type & Location: Hybrid - London (2-3 days on-site per week) Role Type: Permanent, £55-80k Start Date: ASAP Must hold SC to start* A leading consultancy is … partnering with a national security-focused client on high-impact digital projects supporting law enforcement and public safety missions. We are looking for an experienced Lead Software Engineer/Technical Lead to join a multidisciplinary agile team and help design and build secure applications that make a difference on a national scale. This is a fantastic opportunity for someone … who's confident leading from the front-technically, strategically, and collaboratively-while mentoring and growing development teams. As a Lead Software Engineer/Technical Lead, you will: • Lead technical delivery across agile software teams, helping shape architecture and development practices • Engage directly with end-users and stakeholders in mission-critical environments • Design, develop, and deploy secure software More ❯

Top-Secret/Eligible for SCI Onsite in DC Metro Software Engineer - Senior (Full Stack) The team is seeking two (2) Senior Software Engineers to serve as Full Stack Engineers, supporting software application development and operational maintenance for a portfolio of mission-critical, custom-built web applications. These engineers will deliver secure, high-performing, and scalable technical … the organization and its partners. Key Responsibilities: Design, develop, test, deploy, and maintain full-stack web applications in support of mission-specific requirements. Participate in all phases of the software development lifecycle, including planning, requirements analysis, design, implementation, testing, deployment, and sustainment. Collaborate with internal and external teams to deliver high-quality, secure software aligned with organizational goals. More ❯

Backend Software Engineer/Developer (C# .Net Core Cloud CQRS) London/WFH to £80k Are you a technologist with strong backend C# .Net skills? You could be progressing your career at in a senior, hands-on role Backend Software Engineer role at a successful and scaling Retail FX Brokerage working on complex and interesting Greenfield systems with … continual learning and self development opportunities. As a Backend Software Engineer you'll be designing and developing high quality, maintainable, and reliable code for a real-time, low latency trading systems built mostly in C# and React deployed to Azure. You'll focus on C# .Net backend development within an AWS environment, but also with exposure across the full … TypeScript/React.js or Angular You have strong analytical and problem solving skills You're collaborative with excellent communication skills What's in it for you: As a Backend Software Engineer/Developer you will earn a competitive package: Up to £80k salary Bonus Private Healthcare Pension 25 days holiday Apply now to find out more about this Backend More ❯

Senior Full Stack Software Engineer Location : Home based Salary : £60,000-£91,000 Hours: Monday-Friday 40 hours per week 8.30am-5pm Contract Type : Permanent Purpose of the Role: Our client, a leading housing solutions provider, is seeking a Senior Full Stack Software Engineer to help modernise and rebuild their software environment. This role is central to … support strategic business goals. The ideal candidate is highly skilled in Azure cloud development, experienced in Agile and DevOps environments, and capable of leading development teams. Duties and Responsibilities: Software development, evaluating and improving codebases. Implement long-term development strategies with incremental improvements. Lead and mentor software engineers to enhance performance. Refine development processes, tools, and standards for … technical and non-technical stakeholders. Stay updated on industry standards, including version control, code reviews, testing, and CI/CD. Apply Agile methodologies in development practices. Required Skills: Extensive software development experience with a proven record of improving codebases. Skilled in C#, .NET, Azure, and SQL. Strong background in API development and provider application implementation. Capable of shaping long More ❯

North American Specialist Lines, Financial Lines, International Casualty, UK Liability Insurance), Property (Direct, Facultative, and Treaty), Accident & Health, Agriculture, and Energy. We are offering an opportunity for a Senior Software Engineer . Context of the Role: We seek a highly skilled Senior Software Engineer with expertise in building scalable, high-performance solutions on the Microsoft technology stack (.NET … for the Microsoft stack. Key Responsibilities Design, develop, test, support, and deploy custom web and mobile applications based on .NET (Blazor, C#), C++. Gather customer requirements and develop related software applications. Collaborate with architects, engineers, and team members to design scalable solutions. Implement Azure Cloud Services to enhance performance and reliability. Research and evaluate new software technologies and … testing and maintenance procedures. Develop high-quality coding standards. Required Skills & Experience: University degree in Computer Science, Information Systems, or related field, or equivalent work experience. Proven experience in software development with C# in the .NET environment, including ASP.NET Core and Entity Framework Core. Experience with iterative methodologies like Scrum or Design Thinking, using Azure DevOps and Git. Experience More ❯

Software Engineer - Full Stack Full?time, permanent, Dundee, 1 - 2 days a week in the office Salary £45 - £55k Head Resourcing are recruiting for a software engineer for a fintech company based in Dundee. We use data to transform the commercial insurance market. The role focuses on designing, building and running the software and data that power More ❯

Software Engineer - Full Stack Full time, permanent, Dundee, 1 - 2 days a week in the office Salary £45 - £55k Head Resourcing are recruiting for a software engineer for a fintech company based in Dundee. We use data to transform the commercial insurance market. The role focuses on designing, building and running the software and data that power More ❯

You will sit inside a cross-cutting technical pod, supported by dedicated UI/UX, PMO and DevOps roles. Key Responsibilities Software Development: Design and develop software solutions: Write clean, maintainable, and efficient code for our platform and applications. This includes developing new features, fixing bugs, and optimising existing code. Implement features and enhancements: Collaborate with product managers … ones. Participate in design discussions and provide input on technical feasibility and best practices. Ensure security by design: Integrate security best practices into the development process to ensure that software is secure from the ground up. Conduct regular code reviews and security assessments to identify and mitigate potential vulnerabilities. Optimise for performance and scalability: Design and implement solutions that … platform's functionality. Ensure that APIs are secure, scalable, and well-documented. Quality Assurance: Develop and execute test plans: Create comprehensive test plans and test cases to ensure that software meets quality standards. This includes functional, regression, performance, and security testing.o Automate testing processes: Use to automate functional, regression, and performance testing. Ensure that automated tests are integrated into More ❯

Senior Software Engineer London, UK - Fully Onsite Key Technologies: Java, JavaScript, React, Docker, Kubernetes Perm Role | £80,000 - £120,000 Harrington Starr has partnered with a leading financial institution on a mission to transform investment banking through cutting-edge technology. Their Investment Banking Middle Office Technology team plays a crucial role in enabling efficient trade management with institutional counterparties. … development experience Expertise in microservices architectures (Spring Boot, Docker, Kubernetes) Strong experience with GUI technologies (React, TypeScript, HTML5) Experience in full SDLC (Git, Maven, Bamboo) Strong understanding of modern software design & architecture A proactive mindset and a collaborative approach Key Benefits: Private pension plan Up to £120,000 base salary 30 days holiday allowance Private health & life insurance Enhanced More ❯

NextGen Federal Systems is seeking a Principal Software Engineer with experience supporting Defense (DoD) and Intelligence Community (IC) C4ISR programs delivering capabilities to the warfighter. Selected candidates will support the design, development, integration, and maintenance of cloud native data services for the National Geospatial-Intelligence Agency (NGA) in Springfield, VA. The work location will be hybrid-remote with a … combination of remote and part-time on-site support at NGA Campus East (NCE). NextGen software engineers will be developing and modernizing NGA systems using industry best practices, standards and agile development processes; utilizing open source software solutions, cutting-edge technologies, with DevOps tools and techniques with development on unclassified networks and then promoted to other networks. … SOA technologies, RESTful web services, geospatial databases and/or geospatial (GIS) technologies About NextGen: NextGen Federal Systems is an innovative technology and professional services provider specializing in advanced software solutions and comprehensive mission and business support services. We work in close collaboration with our customers to truly understand their business and mission goals. Our approach is to design More ❯

Software Engineer ( Java, Typescript, AWS ) As a Software Engineer, your responsibilities will include: Analyze, develop, test, maintain, correct, and write support documents for Speos' client and administrative solutions. Review and improve existing code. Participate in the continuous improvement of client application development. Provide second-level support, identify root causes and resolutions, and adhere to support procedures. Resolve malfunctions … message-driven architectures (SQS, ActiveMQ, RabbitMQ). Experience working with databases (SQL & NoSQL, e.g., MariaDB, MongoDB). Understanding of cloud computing (AWS, Azure) and containerization (Docker). Knowledge of software development lifecycle (SDLC) and DevOps methodologies. Comfortable working in an Agile environment. Mindset & Soft Skills Passionate about technology and software development. Eager to learn and adapt to new More ❯

Top-Secret/SCI Eligible Onsite in DC Metro Software Engineer - Senior (.NET Web Developer) The team is seeking one (1) Senior Software Engineer with expertise in .NET web development to support a portfolio of custom-built, mission-critical web applications. The .NET Web Developer will work closely with internal and external partners to design, develop, and maintain More ❯

Title: Senior Software Engineer (C#) Department: Procode IT Location: Commutable distance of Chandlers Ford Salary: Circa £56,238 + 15% discretionary bonus scheme Are you an experienced Software Engineer with a strong track record in C#, .NET core & ASP.NET core? Do you enjoy guiding, mentoring and supporting others within a team? If so, then this could be the … role for you! About us We are a dynamic software company. Established in 2006, with a vision of helping the energy and utilities sectors improve customer experience and lower their cost to serve, using smarter process automation. Are you curious about what the future in tech holds? Do you have the drive to want to deliver great solutions for … customers? Then we have an exciting opportunity as a Senior Software Engineer (C#), where we aim to provide you with a uniquely inclusive and diverse workplace, which showcases the extraordinary in all of us, by enabling you to be the best you can be. Our promise is to put customers at the heart of everything we do; its part More ❯

Senior Full Stack Software Engineer - FX Pricing (React, Typescript, Java, API) - London (VP) Overview Citi is a world-leading global bank. We have approximately 200 million customer accounts and a presence in more than 160 countries and jurisdictions worldwide. We provide consumers, corporations, governments, and institutions with a broad range of financial products and services, including consumer banking and … role We are seeking a Senior Applications Developer to join a successful team delivering pricing projects for the Foreign Exchange (FX) Business. The role involves all aspects of the software development life cycle: analysis, design and implementation. We need a flexible and practical technologist who demonstrates excellent problem solving skills enjoys all aspects of software development and will … programming will help your team raise their game, meeting your standards, as well as satisfying both business and functional requirements. Overview/What will you do: As a Senior Software Engineer (Vice President), your mission is to help shape our team of innovators and technologists toward creating next-level solutions that improve the way our business is run. Closely 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 More ❯

tangible impact on our world. Whether you join our London HQ or the wider global organisation, you'll be a part of collaborative, high-performing teams, creating cutting-edge software, platforms, and infrastructure. The Role Our Product Development organization is made up of small teams of engineers who work collaboratively to build cross functional capabilities, streamline user workflows and … continuously improve our software's efficiency and reliability. We are seeking a highly motivated and experienced Backend Engineer to join our growing team. As a Backend Engineer, you will play a critical role in designing, building, and maintaining a wide range of platform and application-level services for end users across myriad sectors. Required skills/expertise: Strong command More ❯

Senior Software Engineer - Identity and Access Management (f/m/d) Join Contentful as a Senior Software Engineer and take a central role in enhancing our Identity and Access Management ( IAM ) capabilities. Our platform serves billions of requests daily, with customers trusting us with their content-making scalability and security equally crucial. We seek engineers passionate about … ways of working and our development processes as well as our domain and its components. What you need to be successful? Professional Experience : Proven track record as a Senior Software Engineer in product development, with demonstrated success in building high-traffic APIs and services. Technical Expertise : Strong proficiency in Ruby, TypeScript/Node.js, relational databases ( MySQL/PostgreSQL), non More ❯

experience developing serverless functions using Azure Functions. REST API Development: Proficiency in designing and implementing RESTful APIs using C# and .NET. Azure DevOps: Hands-on experience with Azure DevOps. Software Development Lifecycle (SDLC): Understanding of agile methodologies. Problem-Solving Skills: Excellent analytical and problem-solving skills. Communication Skills: Strong written and verbal communication skills. Self-motivated and results-oriented. More ❯

Would you like to perform rewarding work while contributing to the success of an established, growing company? Navstar is an award-winning organization that has a proven track record of successfully providing IT services and solutions both as a prime More ❯

Senior Site Reliability Engineer/ex - software engineer Fully Remote working for candidates based in the UK – Salary £85k to £90k + Benefits We are looking for a Senior Site Reliability Engineer/DevOps Engineer that has come from a Software Development Background in the past and who still has strong C# or Java or other similar OO … with strong knowledge of DevOps tools like Kubernetes and/or Docker and Azure or AWS Cloud platforms. We are looking for a Senior Site Reliability Engineer with a Software Engineering background to join their growing global Cloud Infrastructure team supporting their SaaS products. Our client who are a Global Digital SaaS Software Company have a fantastic …/DevOps Engineer to join their UK Cloud Infrastructure team. Senior Site Reliability Engineers at this company are responsible for keeping the SaaS products running properly. Using concepts of software and systems engineering, they work to improve the reliability of all cloud systems while keeping levels of manual work low. SREs are expected to be experienced in software More ❯

Title: Reprogramming Specialist We are a company of innovators, thinkers, creators, explorers, volunteers and dreamers who all share one goal - to improve the world. We deliver science, technology and engineering solutions to governments and companies around the world. KBR employs approximately 37,000 people worldwide with customers in more than 80 countries and operations in over 30 countries. For … delivery and mission execution, no other company can match the breadth and depth of KBR. Learn more about our business here. The Opportunity: We are seeking a highly skilled Software Engineer to join our team to support critical Modernisation and uplifting of Electronic Warfare capability that protect national security. As Software Engineer, you have a passion for designing … developing, and maintaining cutting-edge software solutions. With expertise in programming languages, agile software development methodologies, and system integration, you excel at turning complex problems into elegant, functional and maintainable code. Your ability to collaborate, adapt to new technologies, and deliver high-quality solutions makes you an indispensable part of any team. Responsibilities Perform all activities associated with More ❯

edge web analytics tools to a B2B audience. We're hiring a Senior Full Stack Developer who is passionate about clean code, scalable systems, and setting the standard for engineering excellence in a team of like-minded professionals. You'll join a talented, remote-first team working on complex products using Node, TypeScript and Vue. The environment is fast … development processes and coding standards Support live production systems and respond to incidents What You'll Bring 6+ years' experience in full stack development Experience working within a large Software Engineering Team. Deep experience in Node, TypeScript/Javascript Experience working in a large Software Engineering Team. Proven track record of designing scalable and secure systems … Strong grasp of software architecture, SOLID principles, CI/CD and design patterns Experience working in cloud-first (AWS) and test-driven environments Excellent communication skills and a collaborative mindset A degree in Computer Science or equivalent experience What's on Offer 100% remote working (with flexible hybrid options available) Huge scope for impact and growth in a collaborative More ❯

Lead Software Engineer (.NET/C#) Location: Leeds (Hybrid - 2 days in office) Clearance Required: Must be eligible for UK National Security Vetting (UK resident for 5+ years, UK national or dual national) Salary: £55,0000 - 69,000 + Package Tech is evolving. We are too. And we’re building something different. Our client are a bold new digital … delivery venture created to solve complex challenges for critical sectors — from national security and defence to infrastructure and sustainability. Operating at the sharp edge of innovation, we fuse advanced engineering practices with purpose-driven delivery. They're not a typical consultancy. No billable targets. No pressure to sell. Just hands-on, high-impact work, with real room to grow. … career without being pushed into management. Stay deeply technical, lead from the front, and shape solutions that matter. - Modern Tools & Real Autonomy Work with a modern tech stack and engineering culture built around CI/CD, automation, containers, and microservices. - Learning That’s in Your Hands Get a dedicated learning budget to drive your growth, whether that’s certifications More ❯

Associates degree or higher in engineering, computer science, or related field and 5+ years of experience as a DevOps/Cloud/Software engineer -OR- 8+ years of experience as a DevOps/Cloud/Software engineer Proficiency in programming languages such as Python, Java, or Scala. Strong experience with relational databases (e.g., PostgreSQL, MySQL) and big More ❯