26 to 50 of 127 Permanent Senior Software Developer Jobs

Senior Software Developer (PHP/Laravel/JS) Job Description Senior Software Developer (PHP/Laravel/JS) Shape the Future of Software Development at Verisk - A Global Leader in Next-Gen Insurance Technology At Verisk, we empower businesses around the world with advanced data analytics and cloud-native solutions. As pioneers in … and analytics to help business, people, and society become stronger, more resilient, and sustainable. Job Description We have an exciting opportunity to join our growing team as a fullstack Senior SoftwareDeveloper (PHP/Laravel/JS) where you will bedeveloping innovative SaaS applications, delivered via the cloud, working on a combination ofnewprojects, maintenance and supportacrossthe entire lifecycle from concept … making use of the latest cloud technologies, serverless and micro services architecture to meet our client and business requirements. Responsibilities Key Responsibilities: Assist with team leadership working alongside other Senior Software Developer. Design and build component-based applications in a web/internet delivery environment. Work on new and existing applications along with enhancements to websites and .web More ❯

Oak Grove Technologies, LLC, a dynamic and fast-growing federal contractor, is seeking a highly skilled and motivated Senior Software Developer. Oak Grove Technologies is a Service-Disabled Veteran-Owned Business based in Raleigh, NC, with a Test and Training Center located near Fort Bragg and Camp Mackall. With over 20 years of expertise in training, consulting, technology … offers a competitive compensation and benefits package. What You'll Be Doing: Offensive capability development Will develop exploits, shellcode, and bypassing mitigations Conduct dynamic analysis Malware development, analysis and software vulnerability research What Required Skills You'll Bring: Must have 8 years of experience overall Active TS/SCI Clearance 3+ years as a software developer Proficient … experience in offensive capability development for Windows environments Should have 1+ years' experience working in an agile/scrum environment. Special requirements: Must pass the Advanced Cyber Red Team senior developer aptitude test Must be able to travel 15%- OCONUS and CONUS locations What Desired Skills You'll Bring: Experience with C2 frameworks, especially Cobalt Strike Experience with More ❯

Senior .NET Software Developer Manchester - One Day a Week I'm currently working with a client based in Manchester City Centre, who have an exciting opportunity for a Senior Software Developer to join their growing team. In this role, you will be responsible for developing software and application solutions as an integral part … of a fast-moving and passionate team. You should be able to apply modern software development and quality assurance practices to improve software development quality, timeliness, efficiency, and productivity. You will also be heavily involved in the development of a responsive Single Page Application using cutting-edge front-end web development technologies, such as Angular, HTML5, NativeScript, and … TypeScript. This is supported by C# .Net APIs and hosted on Azure. As a Senior you will be expected to lead on: solution design, story refinement, identifying and recommending options, and coaching staff. Key experience: Front-end development using Angular, TypeScript, and JavaScript Developing using C#, EF Core, .NET 8, LINQ, .NET Framework SQL Server - T-SQL System build More ❯

Senior .NET Software Developer Manchester - One Day a Week I'm currently working with a client based in Manchester City Centre, who have an exciting opportunity for a Senior Software Developer to join their growing team. In this role, you will be responsible for developing software and application solutions as an integral part … of a fast-moving and passionate team. You should be able to apply modern software development and quality assurance practices to improve software development quality, timeliness, efficiency, and productivity. You will also be heavily involved in the development of a responsive Single Page Application using cutting-edge front-end web development technologies, such as Angular, HTML5, NativeScript, and … TypeScript. This is supported by C# .Net APIs and hosted on Azure. As a Senior you will be expected to lead on: solution design, story refinement, identifying and recommending options, and coaching staff. Key experience: Front-end development using Angular, TypeScript, and JavaScript Developing using C#, EF Core, .NET 8, LINQ, .NET Framework SQL Server - T-SQL System build More ❯

Drive the Future of Fleet Tech Senior Software Developer | Hybrid - Portsmouth A leading platform in the fleet management industry is on a mission to revolutionize leased vehicle maintenance. By eliminating friction from a traditionally slow and complex process, we're helping millions of drivers and we're just getting started. They are looking for a Senior Software Developer to join their high-performing team and help shape the future of our web platform. This is an amazing opportunity to join as a Senior and progress into a Lead role within the first 12 months. Salary - Up to £90,000 + Benefits What You'll Do As a Senior Developer, you … thoughtfully designed office with lake views, natural light, and ergonomic workstations A culture that values kindness, curiosity, and high performance Ready to Make an Impact? If you're a developer who thrives in a collaborative, fast-moving environment and wants to help shape the future of fleet technology, we'd love to hear from you. Even if your experience More ❯

Senior Developer (ASP.Net Core, C#) - Nottingham/hybrid remote - Salary £60K - £75K DOE plus flexible hours, hybrid working (2 days a week in office), 25 days holiday + bh, latest technologies, excellent progression and more! The Role A unique and exciting new opportunity has arisen for an experienced Software Developers (ASP.Net Core, C#, AWS) to join a … The expectation for this role is 2 days a week of your choice in the office including flexible hours (their core hours are between 10am - 3pm). As a Software Developer (ASP.Net Core, AWS, C#) you will be responsible for a wide range of innovative projects from development of their innovative cloud-based enterprise system to internal systems. … drive forward their technical direction. You will need to be self motivated and enjoy working in a fast-paced rapidly changing environment. You will be working closely with other senior developers so will have the opportunity to voice your creativity as well as learn and grow with the very latest technology. This role is a FULL STACK role so More ❯

Senior Software Developer Location: Belfast (Hybrid) Type: Full-Time Permanent A leading global technology firm is seeking a Senior Software Developer to help manage and evolve its mission-critical trading systems. This role involves building scalable systems that directly impact market access on a global scale. What you'll do? Develop, enhance, and maintain … Mentor junior team members, lead code reviews, and drive best engineering practices Contribute to architectural discussions and CI/CD pipelines What We're Looking For? Professional experience in software engineering Strong hands-on expertise in C# (.NET Core) and modern JavaScript frameworks (preferably React) Proficiency in Microsoft SQL Server or related relational databases Familiarity with AWS or other More ❯

Senior Software Developer - Shape the Future of Digital Innovation! Are you a seasoned developer ready to lead, inspire, and build cutting-edge web applications that make a real-world impact? Join a fast-growing, forward-thinking tech company that's revolutionizing the way the automotive industry operates. Salary: up to £90,000 + Benefits Location: Hybrid … Mainly Remote) - Portsmouth We're on the hunt for a Senior Software Developer who thrives in a collaborative environment, loves solving complex problems, and is passionate about delivering high-quality digital experiences. If you're looking for a role where your ideas matter and your code powers real change-this is it. What You'll Do: Architect More ❯

Senior Software Developer (PHP/Laravel/JS) £45,000-£60,000 + annual bonus Norwich (hybrid working) Monday-Friday We’re looking for a talented Senior Software Developer to join our growing team. If you’re passionate about building great products, enjoy working with modern cloud-based tech, and love solving real-world … a supportive and collaborative team where your ideas and contributions will make a real difference from day one. What you’ll be doing: Leading by example, working alongside other senior developers. Building and maintaining web apps using PHP (Laravel) and JavaScript (Angular or similar frameworks). Delivering new features and improving existing applications—end to end. Designing and building More ❯

Senior Software Developer ?? Nottinghamshire | ?? Hybrid (3 Days On-Site: Mon, Tue, Thu) | ?? £40,000 - £50,000 Join a global leader in server hosting, where innovation meets infrastructure. We're on the lookout for a Senior Software Developer to join our growing development team of 7. As a trusted name in global server hosting, with … using Vue.js, HTML, and CSS . Work across our core tech stack: PHP, Python, JavaScript (Vue.js), HTML/CSS . ?? What We're Looking For: 6+ years of commercial software development experience. Strong expertise in PHP and Python , with proven delivery of scalable, production-grade applications. Solid front-end development skills using Vue.js , HTML , and CSS . Hands-on More ❯

Senior Software Developer £80,000-£110,000 depending on experience and skillset Flexible hybrid set up (Worcestershire office anywhere from 5 days a week to monthly, as preferred/dependent on your location) Do you have a Rust software development background? Drive development of an original Linux-based network security appliance as a Senior Software Developer, taking ownership for security software click apply for full job details More ❯

Microsoft Stack Developer, Senior .NET Developer with Software Security Certification, CISSP, CEH, CSSLP, Central London but Mainly Remote Senior .NET Developer with Software Security, Software Security Engineer Lead is required to work for a fast-growing and exciting company based in Central London. However, this will mainly be remote and the expectation … go into the office circa twice a week. Please read in full before applying We need someone with a Microsoft tech-stack background who has experience as a .NET Developer with Software Security experience, Azure DevSecOps Consultant or even a good old fashioned Unix/Linux Systems Administratoror someone who has worked as a Senior .NET Developer and has a Software Security Certification like:like CISSP, CEH (Certified Ethical Hacker) or CSSLP (Certified Secure Software Lifecycle Professional), We want someone with a development/some form of coding background who has blossomed into Software Security/Cloud Security engineer. We NEED for you to have strong Azure skills, NOT AWSalthough a blend would More ❯

Microsoft Stack Developer, Senior .NET Developer with Software Security Certification, CISSP, CEH, CSSLP, Central London but Mainly Remote Senior .NET Developer with Software Security, Software Security Engineer Lead is required to work for a fast-growing and exciting company based in Central London. However, this will mainly be remote and the expectation … go into the office circa twice a week. Please read in full before applying... We need someone with a Microsoft tech-stack background who has experience as a .NET Developer with Software Security experience, Azure DevSecOps Consultant or even a good old fashioned Unix/Linux Systems Administrator...or someone who has worked as a Senior .NET Developer and has a Software Security Certification like: like CISSP, CEH (Certified Ethical Hacker) or CSSLP (Certified Secure Software Lifecycle Professional), We want someone with a development/some form of coding background who has blossomed into Software Security/Cloud Security engineer. We NEED for you to have strong Azure skills, NOT AWS...although a blend would More ❯

Job Title: Senior Software Developer Salary: £70-80K The Business: Founded by a team of financial experts and ex-MAT professionals, IMP Software has a deep understanding of the challenges facing multi-academy trusts. Our mission is to empower multi-academy trusts with the tools and expertise they need to manage their finances more efficiently … and effectively. That's why we're trusted by trusts across the country to provide the only budgeting, forecasting, and reporting software designed specifically for them. From a standing start, in less than 5 years we are now used by most large trusts to help them deliver smarter MAT Finance. We're proud to be at the forefront of … tailor our product to their specific needs, and our team is always available to provide expert advice and support. But at our core, we're more than just a software company. We're a team of passionate and dedicated professionals, committed to helping multi-academy trusts achieve their financial goals. We believe that financial planning should be simpler, more More ❯

Senior Software Developer (Java/Python) Location: Tampa Clearance: SECRET Job Description We are seeking a highly skilled Senior Software Developer with expertise in Java and Python to join our team. The successful candidate will be responsible for designing, developing, and maintaining software applications that meet the needs of our clients. Responsibilities Design … develop, and maintain software applications using Java and Python Collaborate with cross-functional teams to identify and prioritize software features. Write clean, efficient, and well-documented code. Perform code reviews and provide feedback to other developers. Participate in the full software development lifecycle, including requirements gathering, design, development, testing, and deployment. Stay up to date with emerging … trends and technologies in software development. Requirements Bachelor's degree in Computer Science or a related field 5+ years of experience in software development using Java and Python Strong understanding of object-oriented programming principles Experience with web development frameworks such as Spring and Django Experience with database technologies such as MySQL and PostgreSQL Excellent problem-solving and More ❯

Senior Software Developer – C# .NET Location: Wellingborough, England Contract: 6 or 12-month Fixed Term Contract Salary: £48,000 – £56,000 We’re looking for a Senior Software Developer with strong C#, .NET, and web development skills to join a global engineering and logistics company on a 6 or 12-month FTC. This role … .NET Core Design and build responsive user interfaces with HTML5, CSS3, JavaScript, TypeScript, and Angular Convert business requirements into technical specifications and deliver robust solutions Create test cases, perform software testing, and integrate subsystems into larger systems Write and maintain technical documentation and ensure high-quality, maintainable code Collaborate with international teams on key projects and provide technical support More ❯

Are you an experienced .Net (C#) Developer, looking to take on a Lead/Senior Software Engineering role in a growing SaaS product company ? Keen to grow your technical skills around .Net 8, assist the CTO directly with the adoption of the latest Gen' AI/LLM dev tools (Cursor, v0, Windsurf, Copilot, etc) & act as technical … lead/mentor to a small Dev’ team? If yes to the above & you’d like to join a growing, recently invested in, actually bringing offshore, back onshore, UK Software company – we’d like to speak with you! Job title: Lead Software Developer or Senior Software Developer looking for a step up to Lead. … Banbury, Oxfordshire. Hybrid working: 2 or 3 days per week in the office/from home office. Flexible on this, but we would like some office time, as a senior figure in the software engineering team. Salary: ~ £65K (£60K - £70K range) + Benefits package. We can be somewhat flexible though - so please just get in touch. You’ll More ❯

Are you an experienced .Net (C#) Developer, looking to take on a Lead/Senior Software Engineering role in a growing SaaS product company ? Keen to grow your technical skills around .Net 8, assist the CTO directly with the adoption of the latest Gen' AI/LLM dev tools (Cursor, v0, Windsurf, Copilot, etc) & act as technical … lead/mentor to a small Dev’ team? If yes to the above & you’d like to join a growing, recently invested in, actually bringing offshore, back onshore, UK Software company – we’d like to speak with you! Job title: Lead Software Developer or Senior Software Developer looking for a step up to Lead. … surrounding areas. Hybrid working: 2 or 3 days per week in the office/from home office. Flexible on this, but we would like some office time, as a senior figure in the software engineering team. Salary: ~ £65K (£60K - £70K range) + Benefits package. We can be somewhat flexible though - so please just get in touch. You’ll More ❯

Senior Software Developer Herndon, VA TS/SCI Polygraph Hybrid (Remote with Occasional On-Site) Immediate Hire Join Synertex and bring your expertise to a mission that matters. We're looking for a Senior Software Developer with a background in full-stack software engineering and distributed systems to support critical defense and intelligence … mission and technical objectives Participate in planning, design, and development discussions to drive continuous improvement Ensure system reliability, uptime, and maintainability through operational excellence REQUIREMENTS Minimum 5 years of software development experience Bachelor's degree in Computer Science or related discipline Proficiency in object-oriented design, algorithms, and data structures Experience with: REST-style Web API platforms Client-side … development (JavaScript, Angular 4, HTML5/XML) SQL/T-SQL, stored procedures, and data integration via SSIS Asynchronous programming, parallel processing, concurrency, and security Software engineering lifecycle best practices Strong collaboration and communication skills Ability to work independently and in Agile environments TS/SCI clearance with CI Polygraph PREFERRED QUALIFICATIONS Experience supporting DoD or DIA missions Familiarity More ❯

Senior Software Developer Location: Theale with hybrid working Salary £50-55k pa Reports to: Software Development Manager Hague is a highly successful, customer-focused organisation with offices across the UK and Australia. We work closely with businesses around the world providing unique print, software and IT solutions. Hague has grown significantly over the years … and is now one of the leading SME’s in the Yorkshire region. We now have a new opportunity for an experienced Software Developer to join the team. Key Purpose of the Role: To design, develop, and support software applications that meet business and customer needs, including new web and desktop solutions and enhancements to existing systems. … installations, upgrades, and contributing to ongoing improvements while staying current with technology and ensuring compliance with company standards Key Responsibilities: Analyse user requirements and design, develop, and launch new software and web applications. Support, maintain, and enhance existing software projects, identifying areas for improvement. Write, test, refine, and maintain high-quality code across various platforms and languages. Create More ❯

Senior Software Developer with Angular or Liferay Our Client is looking to recruit a Senior Software Developer with Angular or Liferay. You will have at least 5 years experience of developing software with Angular and/or Liferay. A degree in Engineering, Computer Science or other IT related education please (Bachelor/Master More ❯

We are looking for a Senior Software Developer to join the Frontier team, on a permanent, full-time basis. This is a fully homebased role but there will be a requirement to attend sites when needed. You are an experienced developer who seeks simplicity of solutions and excellence in code. You are able to lead the … Cycle to Work Scheme, employee retail discount scheme and free eye test vouchers About You Expert understanding and project-based experience of GIS principles, special data structures, and GIS software such as ArcGIS and QGIS Expert skills in JavaScript, TypeScript, Python, Git, SQL Strong web development skills Excellent documentation and communication Azure DevOps experience essential Object-oriented programming (OOP … Solid design principles Extensive experience in Scrum/Agile teams Aptitude and passion for data structure & software application Ability to focus across multiple tasks & technologies in a diverse environment Critical thinking Problem solving CICD and Pipeline management experience desirable Linux command line experience Your Role As a Senior Software Developer, you will: Find effective solutions to More ❯

We are looking for a Senior Software Developer to join the Frontier team, on a permanent, full-time basis. This is a fully homebased role but there will be a requirement to attend sites when needed. You are an experienced developer who seeks simplicity of solutions and excellence in code. You are able to lead the … create clear and comprehensive documentation Azure DevOps experience essential Object-oriented programming (OOP) Solid design principles Extensive experience in Scrum/Agile teams Aptitude and passion for data structure & software application Ability to focus across multiple tasks & technologies in a diverse environment Critical thinking Problem solving CICD and Pipeline management experience desirable Linux command line experience Your Role As … a Senior Software Developer, you will: Find effective solutions to technical problems, individual application architecture design and drive the full-stack framework forwards Design and develop system components to agreed standards against complex requirements Accurately estimate and record project effort and guide the estimation process with developers using story points Participate in and lead design sessions and More ❯

Senior Software Developer Location: Hybrid, Croydon The Company: At Amber Labs, we are a cutting-edge UK and European technology consultancy that prioritises empowering autonomy, promoting experimentation, and facilitating rapid learning to provide exceptional value to our clients. Our company culture is centred around collaboration, where all colleagues, regardless of their role, work together to minimise risk … and shorten delivery times. Our team consists of highly-skilled cross-functional consultants, analysts, and support staff. Job Overview We are seeking a talented and experienced Senior Software Developer to join our dynamic team. The ideal candidate will have a strong background in government operations and a deep understanding of cloud technologies, particularly Amazon Web Services (AWS More ❯

Our client, a leading organisation in the Defence & Security sector, is currently seeking a Senior Software Developer to join their team in Cheltenham on a permanent basis. This is an excellent opportunity to work on mission-focused projects, where your input will have a real-world impact. Key Responsibilities: Developing and maintaining software solutions using languages … and supportable systems Contributing to the overall system architecture and providing input on best practices Engaging in continuous learning and professional development activities Ensuring the security and integrity of software solutions Testing and debugging code to ensure high-quality deliverables Documenting software designs and ensuring comprehensive test coverage Job Requirements: Experience in software development using C++, Python … days of leave (excluding public holidays) A strong commitment to work-life balance Attractive pension scheme with 10% employer contribution and 5% employee contribution If you are an experienced Senior Software Developer with a passion for making a difference in the Defence & Security sector, we would love to hear from you. Apply now to join our client More ❯