1 to 25 of 110 Senior Software Developer Jobs

Senior Software Developer Tech : AWS, NodeJS, TypeScript, JavaScript, ReactJS Why? scaling FinTech, revolutionising the industry Location : Hybrid - 1-2 days in the office (Central London) Our Client A new UK-based financial services provider is launching credit card, personal loans and insurance offerings aimed at delivering fair, flexible, and user-friendly financial products to consumers. The organisation … is committed to empowering individuals by enhancing their understanding and control of personal finance through clarity, intelligence, and technology. Senior Software Developer -Responsibilities Design, develop, and maintain advanced applications. Collaborate with cross-functional teams to define, design, and ship new features. Optimize components for maximum performance across a vast array of web- capable devices and browsers. Maintain … the highest quality. Troubleshoot and debug to optimize performance. Provide code reviews, feedback, and mentorship to junior developers. Stay up-to-date with new technology trends, applications, and protocols Senior Software Developer -Experience Required Proven experience as a Full Stack Developer or similar role with a strong portfolio of projects. Expertise in Node.js and AWS Lambda More ❯

Zachary Piper Solutions is currently looking for a Senior Software Developer in the Colorado Springs, CO area. This Senior Software Developer will join a Software Application Development company dedicated to providing innovative, mission-critical software solutions. The Senior Software Developer will provide effective and accurate testing of materials on … site in the Colorado Springs, CO area. Responsibilities for the Senior Software Developer include: Support a large .NET application Design and develop user interfaces Multi-source data integration and deduplication Analysis of trends and patterns, query development and reporting Required Qualifications for the Senior Software Developer include: 5+ years of experience with .Net Software Development Experience supporting large scale Federal IT Programs with software deelopment, data analysis and reconciliation, multi-source data integration and deduplication. Experience with the .Net Framework, SQL Server, C#, SAFe Agile delivery framework, and Entity Framework Active Secret clearance Compensation for the Senior Software Developer include: Salary Range: $145,000 - $165,000 depending on experience More ❯

SENIOR SOFTWARE DEVELOPER - SC CLEARED BRAND NEW PERMANENT OPPORTUNITY AVAILABLE WITHIN A LEADING COMPANY FOR A SENIOR SOFTWARE DEVELOPER WITH SC CLEARANCE Permanent opportunity for a Software Developer with enhanced SC Clearance, eligible for DV Clearance Industry leading company supporting UK national security projects. Salary up to £85,000 DOE Manchester based … in an easily accessible location. To apply please call or email WHO ARE WE? We are recruiting Senior Software Developers with a wide variety of experience to work with an industry-leading cyber/National Security/defence client with office locations in and around Manchester. The expertise of our engineers drives us forward, and we're looking … us. Due to the nature of these clients, you must hold SC Clearance and be eligible to obtain DV Clearance to work on National Security projects. WE NEED THE SENIOR SOFTWARE DEVELOPER TO HAVE.... SC Cleared and eligible and willing to undergo DV clearance. Proficient in a range of modern programming languages, including Java, Python or Go More ❯

Senior Software Developer - £65,000 to £85,000 – Hybrid – London FryerMiles are delighted to be working with a global AI business to assist with their recruitment of a Senior Software Developer to join their team in London. This is a fantastic opportunity for Senior Software Developer to join a rapidly growing … with AI/Machine Learning Desirable experience, with Angular and Flutter Eligible to work in the UK and obtain UK Security Clearance (as a minimum) If you're a Senior Software Developer with good problem solving and creativity skills, please apply today and one of our Consultant's will be in contact to discuss the role in … more detail. Senior Software Developer - £65,000 to £85,000 – Hybrid – London More ❯

Senior Software Developer - £65,000 to £85,000 – Hybrid – London FryerMiles are delighted to be working with a global AI business to assist with their recruitment of a Senior Software Developer to join their team in London. This is a fantastic opportunity for Senior Software Developer to join a rapidly growing … with AI/Machine Learning Desirable experience, with Angular and Flutter Eligible to work in the UK and obtain UK Security Clearance (as a minimum) If you’re a Senior Software Developer with good problem solving and creativity skills, please apply today and one of our Consultant’s will be in contact to discuss the role in … more detail. Senior Software Developer - £65,000 to £85,000 – Hybrid – London More ❯

Senior Application and Integration Developer/Software Developer An excellent opportunity to join the organisations IT team, developing innovative applications and systems integrations using Microsoft Power Platform, BizTalk and SharePoint to deliver business-critical digital solutions. If youve also worked in the following roles, wed also like to hear from you: Web Developer, Application Engineer … Systems Developer, API Developer This job is officially known within the organisation as a Senior Application and Integration Developer SALARY: £48,630 to £54,773 per annum + Benefits (see below) LOCATION: Garthdee, Aberdeen/Hybrid working JOB TYPE: Full-Time, Permanent WORKING HOURS: 35 Hours per Week JOB OVERVIEW We have a fantastic new job … opportunity for a Senior Application and Integration Developer/Software Developer. As the Senior Application and Integration Developer/Software Developer, you will design, build and maintain integrations that connect internal and cloud-based systems, ensuring secure, efficient data flow and automation across the organisation. The Senior Application and Integration Developer More ❯

Senior Software Developer/Product Engineer (AI) Knutsford onsite to £130k Are you a technologist with a strong knowledge of AI and its practical uses within software engineering? You could be joining a Cyber Security technology company and enjoying a huge range of perks and benefits from continual learning and self-development opportunities (including "buy any … book" policy) through to health and well-being, enhanced paternity packages, generous holiday allowance, inclusive social events and much more. As a Senior Software Developer you will drive the adoption of AI within the business, assessing how to effectively use AI to optimise production and then rolling out your recommendations across teams. You'll take ownership, working … end-to-end on delivery projects using a range of technology as you see fit. There's a culture of software engineering excellence, with a collaborative team environment that values knowledge sharing and continual improvement. Location: You'll join colleagues in amazing offices in Cheshire five days a week with a wide range of facilities and an array of More ❯

Senior Software Developer Worksite: Falls Church, VA or Fort Collins, CO (They will work onsite 5 days a week) Contract Length: 6 months on current contract left, we will be bidding on the new contract and once that is awarded it will be for 3 - 5 years Pay: $110,000 - $130,000 Must be a U.S. Citizen … or a Permanent Resident Mindbank Consulting Group has an immediate need for a Senior Software Developer. Senior Software Developer Responsibilities: • Move and support applications, data, and dependencies to AWS Cloud and update and integrate workflows and products accordingly. • Improve and update existing software to better serve users. • Continue to provide support (operations and maintenance … of application to the system in the AWS Cloud DKeys. • Support all DKeys already in production, improve DKeys so users can use multiple DKeys for one project. • Improve the developer tools for coding and testing DKeys and deploy them to the AWS Cloud. Senior Software Developer Qualifications: • 6+ years' experience with Java 8 or higher • Experience 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 … other 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 More ❯

Senior Software Developer - PHP/Laravel/React.js/AWS ?? Oscar is proud to be partnering with one of our most trusted clients, a forward-thinking business based in Bristol , who are expanding their engineering team with the addition of a Senior Software Developer . This is an exciting opportunity to join a … strong engineering team , where you'll be surrounded by a fantastic mix of seasoned senior developers and ambitious juniors . You'll work in a truly collaborative environment, reporting directly into the CTO , and play a key role in shaping and delivering high-impact projects that directly influence the company's growth. ?? What you'll be doing: Building and … maintaining high-quality, scalable applications using PHP (Laravel) and React.js . Designing and implementing cloud-first solutions with AWS . Mentoring and supporting junior developers, while also collaborating with senior peers to drive best practices. Working closely with the CTO to define technical strategy and contribute to architectural decisions. Taking ownership of projects from concept to deployment in a More ❯

Responsibilities & Qualifications RESPONSIBILITIES The Senior-Level Software Developer is a highly skilled professional responsible for designing, developing, and maintaining high-quality software solutions. With extensive experience in Agile environments, they play a key role in leading development efforts, implementing best practices, and collaborating with cross-functional teams to deliver value-driven software increments. This role … requires advanced technical expertise, leadership abilities, and a deep understanding of Agile principles to drive successful software development projects. The Contractor shall provide Senior-Level Software Developer services, working alongside the Government Supervisors, Product Owners, and developers. These services shall include: Software Development: Design, develop, and maintain software applications, modules, and components using appropriate … collaborating with Agile teams to prioritize development tasks, estimate effort, and provide regular updates on progress. Technical Leadership: Provide technical leadership and mentorship to junior developers, guiding them in software design principles, coding techniques, and best practices. Code Review and Quality Assurance: Conduct code reviews to ensure code quality, maintainability, and adherence to architectural guidelines. Implement automated testing and More ❯

Position Title: Software Developer, Senior (TS/SCI Required) Location: Washington, DC Clearance: TS/SCI Salary Requirement: $175,000.00 - $200,000.00 (Negotiable Depending on Experience) Position Summary: Command Cyber Solutions is seeking a talented and motivated Software Developer to join our growing development team. The Software Developer will be responsible for designing … coding, testing, and maintaining software applications that support mission-critical business operations. This role requires a strong foundation in modern programming languages, software engineering principles, and collaborative development practices. The Software Developer will contribute to full-stack development projects, work closely with cross-functional teams, and play a key role in delivering scalable and secure solutions. … Essential Duties & Responsibilities: Design, develop, and maintain web-based, desktop, and/or cloud-native software applications. Write clean, efficient, and well-documented code that follows industry best practices and coding standards. Collaborate with product owners, designers, and QA teams to translate business requirements into technical specifications. Participate in software development lifecycle activities including requirements gathering, design implementation More ❯

Senior Software Developer Bath Are you an experienced Software Developer passionate about collaborative development and fostering growth in others? A dynamic company in Bath is looking for a Senior Software Developer to join their innovative team. Their Culture: They thrive on a close-knit, fun, and technology-driven environment. Their development approach … their current stack includes PHP, Slim Framework, JavaScript, React, and MySQL, they're primarily interested in candidates with commercial experience in modern programming languages and a strong grasp of software development principles. Demonstrable experience with MVC frameworks and/or modern JavaScript frameworks is essential. Beyond specific technologies, they highly value (and encourage learning in) the following areas: Accessibility … best practices and standards for front-end development Testing frameworks Software design best practices Source control, specifically Git They seek individuals who will: Exhibit genuine passion for both their mission and the technologies they employ. Enjoy close collaboration with technical and non-technical colleagues alike. Be comfortable with the practices of pair programming and comprehensive code reviews. Possess a More ❯

corporation, our work helps secure an enduring future for our shareholders. Join our team and discover why we are a top veteran employer and Certified Great Place to Work Software Developer Senior III Location: Onsite - Aberdeen Proving Ground, MD Job Description ASRC Agile Decision Sciences LLC is currently seeking qualified candidates to support our Army G … mission under the CECOM SEC SETA program at Aberdeen Proving Ground, MD. ASRC is seeking a qualified candidate to fill the Software Developer Senior III position to support our customer at Aberdeen Proving Ground. The Software Developer Senior III will lead the design, development, testing, and deployment of advanced Appian-based solutions in support … G-1 stakeholders to translate business requirements into functional, automated Appian workflows. Required Qualifications Bachelor's degree in Computer Science, Engineering, or relevant experience. 5 - 7 years of professional software development experience with Appian. Proven ability to design and deploy complex Appian applications in production environments. Desired Qualifications Prior experience developing solutions for the Department of Defense (DoD) or More ❯

decisions on their most challenging issues. SPA's NATO Allied Command Transformation Group, within JOID, provides capability development, portfolio management, program management, quality management, cost estimation analysis, standardization, reporting, software solutions and information management, and capability management support. We also provide an improved capability requirements capture process, including the generation, documentation and tracing of user requirements, with appropriate technical … scrutiny, over the entire lifecycle of the requirements from capability definition through capability realization and capability usage. We have a near-term need for a Data Science & AI Branch: Senior Software Developer to provide onsite support out of Norfolk, VA. Responsibilities The Data Science & AI Branch Senior Software Developer will design, develop, and maintain … robust software components focusing on scalability, performance, and security. Implement and optimise AI/ML algorithms, ensuring compliance with NATO-specific requirements. Design and manage data pipelines for secure handling of classified data. Develop, test, and integrate model training and inference systems. Deploy and support AI applications within NATO's secure environments. Collaborate with data scientists and AI engineers More ❯

Senior Software Developer - C# Senior Software Developer required by a leading Cloud Technology company based in Bracknell. The company are working on cutting-edge technology including AI and propensity modelling. This is a brand-new position due to growth and will join a well-established, high calibre development team. The company operate on a … in the office and 2 days from home. Essential experience: Degree in Computer Science or other STEM subject ideally from a Russell Group University 5+ years' experience in a software development role C# SQL Server Source control, ideally Git Experience working within an Agile environment Any experience in the following would be advantageous: .NET 5/6 JavaScript, TypeScript 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 Platform Software Developer | 3-Month Contract (Possible Extension) | £550-£650p/day | Fully Remote | GCP, Docker, Kubernetes | Start: Immediately The Opportunity My client is seeking a senior-level software developer to design and build core services for their cloud-native platform. This role is critical to improving scalability, performance, and reliability across distributed … Pub/Sub, Kafka) Clear communicator & proven technical leader If you think that this is the role for you, then APPLY NOW and I shall give you a call! Senior Platform Software Developer | 3-Month Contract (Possible Extension) | £550-£650p/day | Fully Remote | GCP, Docker, Kubernetes | Start: Immediately Oscar Associates (UK) Limited is acting as an More ❯

Senior Software Developer | Surrey | Hybrid | £65,000 - £75,000 Are you an experienced systems-level engineer craving impact We’re seeking a Senior Software Developer versed in Rust, or an equivalent systems language, who thrives in high-availability, mission-critical environments. Our client is a fast-growing technology provider delivering next-generation communications solutions … scalable, performance-critical platforms under pressure. Experts in one area who can learn quickly in another are highly valued and will be supported through mentorship and training. Qualifications Robust software engineering foundation (systems-level preferred). Some experience with Rust, or strong proficiency in another low-level language. Domain experience in telecoms, fintech, or similarly demanding architectures. Familiarity with More ❯

Senior Software Developer - Backend Team London - Adhoc - mostly remote Salary up to £70k Interview ASAP Join a private equity-backed organisation currently undergoing significant transformation and change. This is an exciting opportunity to be part of a small, dynamic development team driving global and UK initiatives within a large, established business. We are seeking a talented Senior Software Developer with expertise in .NET and C# to support backend operations and deliver innovative, scalable solutions. Key Responsibilities: Develop and maintain robust backend systems using .NET and C#. Integrate with Azure services, including ServiceBus, to enhance system functionality. Implement and support event-driven architecture to improve system responsiveness and scalability. Drive faster, more visible integrations across More ❯

Are you an experienced .Net (C#) Developer, looking to take on a Lead/Senior Software Engineering role in a growing SaaS product company ? Recent investment means we are scaling & growing our Software Engineering & product teams - we are keen to add a Senior/Lead Engineer into this. So, if 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. Location: Banbury, Oxfordshire. Very commutable from Warwick, Bicester, Milton Keynes, Northampton, Rugby, Coventry, etc. Hybrid working: 2 days … per week in the office. Flexible on this, but we would like some office time, as a senior figure in the software engineering team. Salary: Up to £70K Basic + Benefits package. We can be somewhat flexible though - so please just get in touch. You ll have the full support of an Agile Scrum Master, excellent technical product More ❯

Are you an experienced .Net (C#) Developer, looking to take on a Lead/Senior Software Engineering role in a growing SaaS product company ? Recent investment means we are scaling & growing our Software Engineering & product teams - we are keen to add a Senior/Lead Engineer into this. So, if 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. Location: Banbury, Oxfordshire. Very commutable from Warwick, Bicester, Milton Keynes, Northampton, Rugby, Coventry, etc. Hybrid working: 2 days … per week in the office. Flexible on this, but we would like some office time, as a senior figure in the software engineering team. Salary: Up to £70K Basic + Benefits package. We can be somewhat flexible though - so please just get in touch. You ll have the full support of an Agile Scrum Master, excellent technical product More ❯

Are you an experienced .Net (C#) Developer, looking to take on a Lead/Senior Software Engineering role in a growing SaaS product company Recent investment means we are scaling & growing our Software Engineering & product teams - we are keen to add a Senior/Lead Engineer into this. So, if 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. Location: Banbury, Oxfordshire. Very commutable from Warwick, Bicester, Milton Keynes, Northampton, Rugby, Coventry, etc. Hybrid working: 2 days … per week in the office. Flexible on this, but we would like some office time, as a senior figure in the software engineering team. Salary: Up to £70K Basic + Benefits package. We can be somewhat flexible though - so please just get in touch. You’ll have the full support of an Agile Scrum Master, excellent technical product More ❯

Are you an experienced .Net (C#) Developer, looking to take on a Lead/Senior Software Engineering role in a growing SaaS product company Recent investment means we are scaling & growing our Software Engineering & product teams - we are keen to add a Senior/Lead Engineer into this. So, if 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. Location: Banbury, Oxfordshire. Very commutable from Warwick, Bicester, Milton Keynes, Northampton, Rugby, Coventry, etc. Hybrid working: 2 days … per week in the office. Flexible on this, but we would like some office time, as a senior figure in the software engineering team. Salary: Up to £70K Basic + Benefits package. We can be somewhat flexible though - so please just get in touch. You’ll have the full support of an Agile Scrum Master, excellent technical product More ❯

Senior Software Developer - £100k - Discretionary Bonus - Hybrid Overview We are partnering with a global digital marketing and technology agency specialising in online gaming to hire a Senior Software Developer. In this senior role, you’ll take technical ownership of solutions end-to-end, mentor junior developers, and ensure delivery of highly scalable, high-availability … platforms that drive cutting-edge online gaming experiences.You’ll also play a senior position in driving the move from a PHP-heavy stack to a modern TypeScript/React front end, helping define and deliver greenfield solutions with a premium, customer-first focus. Role and Responsibilities Drive full-stack development projects, ensuring high-quality delivery across both frontend and More ❯