201 to 225 of 955 Permanent Senior Developer Jobs

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 rapidly … 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. You will … 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 C#, .NET Core, Blazor, SQL Server Salary up to £65k Hybrid role - 2 days per week on-site in Warwick 25 days holidays plus bank holiday Opportunity to grow your career Call 07584 358 089 or email to apply Based on the outskirts of Warwick we are a well established software house that has received … some big client wins so are now looking for senior developers to join the team We are a small but highly skilled team of software developers working on several greenfield projects. We pride ourselves on providing the best quality and service to our clients. We are long established in the area and count some huge names amongst our client … base. Responsibilities... Your role will centre on performing problem solving, conceptual skills, solving of production issues translating high level requirements from the business into software solutions. As a developer you will also be expected to keep abreast of new technologies and suggest any technologies you feel could work if implemented to current and new projects. You will also be More ❯

Senior .NET Developer - Birkenhead Up to £75k 3 Days Onsite Looking for a chance to work on cutting-edge greenfield projects? Do you thrive in an environment where you can work with microservices and Azure ? If so, this is your opportunity to join a forward-thinking financial company in Birkenhead that's transforming its technology landscape. They're … looking for a Senior .NET Developer to play a pivotal role in a high-impact transformation initiative that will define their future. What's in it for you? Want to work on 100% greenfield projects with no legacy systems? You've got it. Interested in collaborating with a team that values modern coding practices, standards, and innovation ? This More ❯

Senior Web Developer Public Trust required Roles/Responsibilities: Expertise in web development technologies, such as HTML, CSS, JavaScript, and other web development languages and frameworks. Possess a deep understanding of web development standards and best practices and be able to apply this knowledge to develop robust, scalable web applications, to include the Sitecore content management system. Proficiency More ❯

Senior Front-End Developer (React.js, Next.js, Tailwind CSS, MACH) Are you a front-end specialist with a passion for crafting elegant, high-performance user interfaces? Join a leading non-profit organisation as a Senior Front-End Developer , where your skills will help deliver digital experiences that make a real-world impact. This is a remote-first More ❯

Senior Software Developer - C# .Net/Angular/AWS/NoSQL - Hybrid - Nottingham - £70,000 The Role An innovative company within the construction sector are looking to an experienced Software Developer to join their talented development team. You will be working on a range of cloud based products, utilising the latest technologies on a diverse set of … benefits including flexible working hours, 25 days holiday, private healthcare, 5% company pension, Pluralsight access, dedicated learning time and much more. Apply Now If you are an experienced Software Developer looking to join a company where personal progression and development is valued, then this is the role for you. They are interviewing suitable candidates as soon as possible so … apply now and don't miss out. Senior Software Developer - C# .Net/Angular/AWS/NoSQL - Hybrid - Nottingham - £70,000 Oscar Associates (UK) Limited is acting as an Employment Agency in relation to this vacancy. To understand more about what we do with your data please review our privacy policy in the privacy section of the More ❯

Nexeo Belgium is looking for a Senior Java Developer with Tech Lead responsibilities to join one of the top financial institutions in Belgium. As a Senior Java Developer and Technical Lead, you will play a pivotal role in both hands-on development and the coordination of IT delivery. You will design and implement high-quality Java More ❯

Senior Back-End Software Developer (C#, .NET, APIs, Azure, MACH, SQL) £60-72,000 based on experience Are you passionate about building robust, scalable back-end systems that power meaningful change? Join a leading non-profit organisation as a Senior Back-End Software Developer , where your technical expertise will directly contribute to impactful, mission-driven solutions. More ❯

there are products that have aged and for some this is fine. Not us! We are game changers, disruptors and innovators. AND, we are looking for you, an enthusiastic Senior Front End Developer, to join our team! Who are we? Named as 'Europe's fastest growing ecommerce company' by the financial times. We are a Digital Marketplace and … we're launching in 112 new countries, right now! About You: You are an experienced, talented, committed and enthusiastic Senior Front End Developer with knowledge of PHP and MySQL. You have strong front end JavaScript and jQuery skills, sound knowledge of OOP, design principles and building quality, SOLID and robust and reusable solutions. Experience of working with modern More ❯

Senior Software Architect (Developer Experience) Department: Software Engineering Employment Type: Permanent - Full Time Location: Remote, UK Description The Senior Software Architect will play a strategic, high-visibility role within Hazelcast. You will serve as a thought leader and technology evangelist for Hazelcast, influencing architecture across our ecosystem, our customer base, and the broader developer community. This … including Engineering , Product , Marketing , and Field Teams to align product vision with real-world applications and customer needs. WHAT YOU HAVE 10+ years of experience in software architecture or senior technical roles, ideally with experience in distributed systems, high-performance computing, or data platforms. Proficiency in Java , including deep understanding of the JVM . Solid knowledge of Python for More ❯

Senior Developer Marshall Space Flight Center (MSFC) Huntsville, AL HX5 is an award-winning provider of engineering, research and development, and technical services to clients such as NASA and the Department of Defense. Founded in 2004, HX5 is a fast-growing veteran- and woman-owned company with locations nationwide. HX5 is currently seeking a Senior Developer to join our team at Marshall Space Flight Center. Essential Duties and Responsibilities: The Senior Software Developer will work with the telemetry processing and apps (TPA), and tool development team to support the Payload Operations Integration Center (POIC) International Space Station (ISS) and Space Launch System (SLS) mission ground systems hosted in the Huntsville Operations Support Center More ❯

England, North West England, Scotland, South East England, South West England, Wales, West Midlands (England), Yorkshire and the Humber About the job Job summary These positions are based Nationally Senior Software Developer Location: National Closing Date: 15th July Interviews: w/c 21st July (TBC) Grade: G7 (MoJ candidates who are on a specialist grade, will be able … model, allowing for a balance between remote work and time spent in your local office. Office locations can be found ON THIS MAP The Role We're recruiting for Senior Software Developers with experience of Java or Node.js at Justice Digital, to join one of our dynamic and collaborative teams. About Us : At Justice Digital, we're dedicated to … leveraging technology to drive impactful change across the justice system. As a Senior Software Developer, you'll play a pivotal role in enhancing access to justice and improving outcomes for offenders through innovative digital solutions. Responsibilities : You'll collaborate closely with fellow developers on our diverse tech stack and embrace opportunities to learn new technologies and systems. We More ❯

Howdens Joinery are looking for a Senior .NET Developer to join our Supply Chain Application Development Team What you will be doing: You will be joining a dynamic and collaborative team based in Howden, East Yorkshire, where innovation is at the heart of our approach. The role is remote with regular visits to the Howden site for collaboration … business. This position provides the opportunity to leverage your technical expertise to transform business requirements into enterprise-grade solutions while ensuring high system availability and robust support. As a Senior member of the team, you will be responsible for leading the development work on projects and managing sprints and backlog when required. There will be the opportunity to share … understanding of Web services using Restful APIs. Applicants with any exposure to GraphQL and cloud hosting is advantageous. We are interested in speaking with developers already operating at a senior level or mid/intermediate developers who are looking to take the next step in their career. What we can offer you Competitive salary and annual company bonus Excellent More ❯

Title Cleared Senior Appian Developer Clearance Requirements Secret Clearance Certification Requirements Location Washington, D.C. Description Location: Remote HumanIT Solutions LLC is seeking a Cleared Senior level Appian Developer. Your responsible for design; development, testing and implementation of process-centric business process management solutions based on Appian software. You will be required to analyze and understand both the More ❯

Senior Low Latency Java Developer Contract Length: 12 months AND Introduction At AND, we accelerate the development of digital capabilities. In practice, that means helping ambitious leaders and organisations build the teams, products, processes and even operational structures they need to close the digital skills gap within their organisation today, so that they thrive tomorrow. Clients rely on … a deeply-held belief that digital products and technology alone won't transform a business or save the world: it's the people that count. About you As a Senior Low Latency Java Developer, you champion software quality and technical vision for AND and our clients. As a result, you will need to be able to: Work on More ❯

Digital Delivery Senior Developer - IPO - SEO £46,262 - £59,906 please read allowances on the Civil Service Jobs link Published on Full-time (Permanent) £46,262 - £59,906 please read allowances on the Civil Service Jobs link Published on 26 June 2025 Deadline 7 July 2025 Location Newport, NP10 8QQ About the job Job summary Please note: Applicants … If reviewing via a screen reader, please note that the Job summary, Job description, Person specification, Benefits and Things you need to know sections have been emphasised Digital Delivery Senior Developer The IPO is a modern organisation which depends on its IT services to operate and innovate effectively. In order to provide up to date services to our … services. You will be expected to be proactive and take accountability for assigned deliverables. The role will also require the investigation, diagnosis and fix of any system issues. A Senior Developer is expected to contribute to the technical strategy for the department. As a multi-skilled individual, you will have the opportunities to develop and mature skills in More ❯

Senior Full Stack Web Developer Location: Central Cardiff Salary: £50-60K plus excellent benefits package Main Purpose of the Role As a Senior Full Stack Web Developer, you will be instrumental in evolving our clients digital platforms. This includes leading end-to-end development projects, mentoring junior developers, and collaborating across departments to deliver robust More ❯

Senior Developer - DB Marshall Space Flight Center (MSFC) Huntsville, AL HX5 is an award-winning provider of engineering, research and development, and technical services to clients such as NASA and the Department of Defense. Founded in 2004, HX5 is a fast-growing veteran- and woman-owned company with locations nationwide. HX5 is currently seeking a Senior Developer - DB to join our team at Marshall Space Flight Center. Essential Duties and Responsibilities: The Software Developer will work with the commanding and database production (C&DB) team to support the Payload Operations Integration Center (POIC) International Space Station (ISS) and Space Launch System (SLS) mission ground systems hosted in the Huntsville Operations Support Center (HOSC). The More ❯

Senior Full Stack Web Developer Location: Central Cardiff Salary: £50-60K plus excellent benefits package Main Purpose of the Role As a Senior Full Stack Web Developer, you will be instrumental in evolving our clients digital platforms. This includes leading end-to-end development projects, mentoring junior developers, and collaborating across departments to deliver robust More ❯

Insight Investment is looking for a Senior Developer to join the Individual Retirement Solutions team in Manchester. The team is seeking a Senior Developer with expertise in .NET and Python to design, develop, and maintain our Retirement Pathway products. The role involves working within a collaborative, cross-functional team to create a secure, user-friendly suite More ❯

Job Title: Senior Backend Developer Location: Liverpool City Centre, Hybrid working available Salary: Up to £75,000 per annum depending on experience Job Type: Permanent, Full Time Hours: 37.5 hours per week, Monday to Friday, 9am to 5:30pm The Acorn Group are looking for a highly skilled, experienced Backend developer to join our team. We are … looking for a developer that has experience developing scalable applications using the latest .Net Technologies. You will have the chance to work on complex projects involving large datasets, message bus architectures, and streaming large sets of data. What you'll be doing: Application Development: Design, develop, and maintain robust applications using NET 8 and C#. Implement and manage microservices … until checks are completed to a satisfactory standard. Please click the ' APPLY' button to submit your CV for this role. Candidates with experience or relevant job titles of; Software Developer, Senior System Developer, Software Engineer, Systems Developer, Software Tester, Backend Services, API's, API, Application Programming Interface may also be considered for this role. More ❯

Job Title: Senior Backend Developer Location: Liverpool City Centre, Hybrid working available Salary: Up to £75,000 per annum depending on experience Job Type: Permanent, Full Time Hours: 37.5 hours per week, Monday to Friday, 9am to 5:30pm The Acorn Group are looking for a highly skilled, experienced Backend developer to join our team. We are … looking for a developer that has experience developing scalable applications using the latest .Net Technologies. You will have the chance to work on complex projects involving large datasets, message bus architectures, and streaming large sets of data. What you'll be doing: Application Development: Design, develop, and maintain robust applications using NET 8 and C#. Implement and manage microservices … until checks are completed to a satisfactory standard. Please click the ' APPLY' button to submit your CV for this role. Candidates with experience or relevant job titles of; Software Developer, Senior System Developer, Software Engineer, Systems Developer, Software Tester, Backend Services, API's, API, Application Programming Interface may also be considered for this role. More ❯

Web Developer McLean, VA. Active TS/SCI with Polygraph is required. Cohere is seeking a Senior Web Developer to support our client with design, creation, deployment, and maintenance of multiple web sites supporting the Intelligence Community. You will also be establishing and maintaining an effective and collaborative relationship with customers, end users, and other team members. … Online, O365) by maintaining large lists and libraries, permissions and site structures, custom workflows, and Microsoft best practices. Develop and integrate multiple data sources to provide customized Dashboards for senior management and government clients. You Will Bring These Qualifications: Active TS/SCI with Polygraph is required. Bachelor's degree preferably in an IT related field 6 years of … own contracting business. If you have a background in coding and computer security and want to take your career to the next level, with the ability to learn from senior engineers invested in your success, apply today More ❯

that people actually want. We are an early stage startup launched in April 2020, and are now looking for a new family member. Joining the Tech team as a Senior Frontend Developer is an opportunity to take a leading role in shaping the user-facing side of our platform and to build interfaces that elevate the experience of … experience deploying Next.js applications outside of Vercel-whether on custom Node.js servers, Docker containers, AWS, Google Cloud, or similar environments. While familiarity with our full stack is a plus, senior-level expertise with React and Next.js is non-negotiable, along with a strong desire to master our specific tech stack. As a Senior Frontend Developer you will … of learning and frontend craftsmanship. Propose and lead improvements in tooling, workflows, and architecture. Could you be the one? Minimum of 2-3 years of experience as a frontend developer, with a focus on web development. Thrives on complex implementations-whether that's building intricate interactions, smooth animations, or translating bold design into seamless experiences. Loves the puzzle-solving More ❯

Job Title: Lead Senior Specialist - Back-end .NET Developer - Fully Remote Job Overview: We are seeking a talented Lead Senior Specialist in Back-end .NET Development to join our client's dynamic Agile development team. This role is crucial in shaping strategic product modules, particularly the payroll calculation engine. The ideal candidate will possess a strong technical More ❯