Senior Software Developer Jobs

1 to 25 of 120 Senior Software Developer Jobs

Senior Software Developer

London, South East, England, United Kingdom
Hybrid / WFH Options
Matched Group
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 ❯
Employment Type: Full-Time
Salary: £80,000 - £95,000 per annum
Posted:

Senior Software Developer- SC Cleared

Manchester, Lancashire, England, United Kingdom
Searchability NS&D
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 ❯
Employment Type: Full-Time
Salary: £40,000 - £41,000 per annum
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Senior Software Developer - £65,000 to £85,000 - Hybrid - London

London, United Kingdom
Hybrid / WFH Options
FryerMiles Recruitment
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 ❯
Employment Type: Permanent
Salary: £85,000
Posted:

Senior Application and Integration Developer / Software Developer

Aberdeen, Aberdeenshire, Scotland, United Kingdom
Hybrid / WFH Options
AWD Online
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 ❯
Employment Type: Permanent, Work From Home
Salary: £50,000
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Senior Software Developer

Leeds, West Yorkshire, Yorkshire, United Kingdom
Hybrid / WFH Options
WRK DIGITAL LTD
Senior Software Developer - Digital and Customer Experience Location: Leeds - Hybrid (UK-based) Level: Senior/Lead Developer Tech Stack: C# .NET | Azure | Blazor | Modern Front-End | DevOps | AI Tools Salary : Up to 80,000 + Benefits Are you a passionate and experienced developer who wants to make a real impact in an award-winning … innovation-driven environment? WRK digital are delighted to be shortlisting for a Senior Software Developer to help us reshape how a major legal organisation delivers its digital services. You'll be joining a collaborative, agile team that's already turning heads in the industry - recognised with awards for AI, innovation, and digital transformation, including Transformation Team of … the Year. From AI-powered development tools to cutting-edge cloud architecture, this Software Development team are investing in innovation to deliver smarter, faster, and more secure innovative solutions. ?? About the Role: As a Senior Software Developer, you'll: Lead the design and development of scalable, high-performance applications using the Microsoft stack (C# .NET, Azure More ❯
Employment Type: Permanent, Work From Home
Salary: £80,000
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Senior Software Developer - PHP / Laravel

United Kingdom
RedTech Recruitment
A fantastic opportunity for a Senior Software Engineer to work for a Health-Tech software company, which is making technological advances and solutions that help the NHS. Having grown to almost 100 people, they are looking to bring on an experienced Developer to work within their back-end platform and systems integration team. This team uses … to travel to Ipswich, Suffolk twice a quarter) – must be UK based Salary: Up to £65,000 per annum + benefits (with a clear salary progression path) Requirements for Senior Software Developer Strong commercial experience working in a senior software engineering capacity using PHP, Laravel & MySQL Experience specifically with message queues and event-driven systems … skills - this team is highly collaborative so they are looking to continue this with great communicators Experience in the following is beneficial: RabbitMQ, JavaScript, React, Redis, Electron Responsibilities for Senior Software Developer Working in an agile environment you will be working within the back-end platform and system integration team using a broad range of technologies including More ❯
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Senior Software Developer with Security Clearance

Fort Collins, Colorado, United States
Mindbank Consulting Group
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 ❯
Employment Type: Permanent
Salary: USD 130,000 Annual
Posted:

Senior Software Developer

Edinburgh, Scotland, United Kingdom
Cranleigh STEM, Sustainability & SHEQ Recruitment
company at the forefront of RNA sequencing innovation. Combining advanced bioinformatics with cutting-edge molecular science, this organisation is developing next-generation tools for biomarker discovery and transcriptomic analysis. Senior Software Developer Permanent, Full-time (Hybrid – minimum 2 days on-site) £ Competitive + Excellent Benefits Midlothian, Scotland Senior Software Developer Responsibilities: Develop and maintain … high-performance software to support large-scale RNA data analysis. Optimise existing codebases to improve performance, robustness, and maintainability. Translate research-driven analyses into automated, tested pipelines for routine data processing. Uphold best practices in version control, testing, documentation, and software quality assurance. Guide and mentor team members through code reviews, pair programming, and training. Ensure software compatibility with required computing environments and compliance standards. Senior Software Developer Requirements: Proven commercial Python development experience. Strong understanding of software optimisation and performance tuning. Experience with Python testing frameworks (e.g. unittest, pytest, or nose). Proficiency with Git (preferably GitHub). Comfortable working in Linux command-line environments. Experience mentoring or supporting other developers. More ❯
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Senior Software Developer

livingston, central scotland, united kingdom
Cranleigh STEM, Sustainability & SHEQ Recruitment
company at the forefront of RNA sequencing innovation. Combining advanced bioinformatics with cutting-edge molecular science, this organisation is developing next-generation tools for biomarker discovery and transcriptomic analysis. Senior Software Developer Permanent, Full-time (Hybrid – minimum 2 days on-site) £ Competitive + Excellent Benefits Midlothian, Scotland Senior Software Developer Responsibilities: Develop and maintain … high-performance software to support large-scale RNA data analysis. Optimise existing codebases to improve performance, robustness, and maintainability. Translate research-driven analyses into automated, tested pipelines for routine data processing. Uphold best practices in version control, testing, documentation, and software quality assurance. Guide and mentor team members through code reviews, pair programming, and training. Ensure software compatibility with required computing environments and compliance standards. Senior Software Developer Requirements: Proven commercial Python development experience. Strong understanding of software optimisation and performance tuning. Experience with Python testing frameworks (e.g. unittest, pytest, or nose). Proficiency with Git (preferably GitHub). Comfortable working in Linux command-line environments. Experience mentoring or supporting other developers. More ❯
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Senior Software Developer

broughton, central scotland, united kingdom
Cranleigh STEM, Sustainability & SHEQ Recruitment
company at the forefront of RNA sequencing innovation. Combining advanced bioinformatics with cutting-edge molecular science, this organisation is developing next-generation tools for biomarker discovery and transcriptomic analysis. Senior Software Developer Permanent, Full-time (Hybrid – minimum 2 days on-site) £ Competitive + Excellent Benefits Midlothian, Scotland Senior Software Developer Responsibilities: Develop and maintain … high-performance software to support large-scale RNA data analysis. Optimise existing codebases to improve performance, robustness, and maintainability. Translate research-driven analyses into automated, tested pipelines for routine data processing. Uphold best practices in version control, testing, documentation, and software quality assurance. Guide and mentor team members through code reviews, pair programming, and training. Ensure software compatibility with required computing environments and compliance standards. Senior Software Developer Requirements: Proven commercial Python development experience. Strong understanding of software optimisation and performance tuning. Experience with Python testing frameworks (e.g. unittest, pytest, or nose). Proficiency with Git (preferably GitHub). Comfortable working in Linux command-line environments. Experience mentoring or supporting other developers. More ❯
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Senior Software Developer

dunfermline, north east scotland, united kingdom
Cranleigh STEM, Sustainability & SHEQ Recruitment
company at the forefront of RNA sequencing innovation. Combining advanced bioinformatics with cutting-edge molecular science, this organisation is developing next-generation tools for biomarker discovery and transcriptomic analysis. Senior Software Developer Permanent, Full-time (Hybrid – minimum 2 days on-site) £ Competitive + Excellent Benefits Midlothian, Scotland Senior Software Developer Responsibilities: Develop and maintain … high-performance software to support large-scale RNA data analysis. Optimise existing codebases to improve performance, robustness, and maintainability. Translate research-driven analyses into automated, tested pipelines for routine data processing. Uphold best practices in version control, testing, documentation, and software quality assurance. Guide and mentor team members through code reviews, pair programming, and training. Ensure software compatibility with required computing environments and compliance standards. Senior Software Developer Requirements: Proven commercial Python development experience. Strong understanding of software optimisation and performance tuning. Experience with Python testing frameworks (e.g. unittest, pytest, or nose). Proficiency with Git (preferably GitHub). Comfortable working in Linux command-line environments. Experience mentoring or supporting other developers. More ❯
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Senior Software Developer

Nottingham, Nottinghamshire, England, United Kingdom
Hybrid / WFH Options
Oscar Technology
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 ❯
Employment Type: Full-Time
Salary: £60,000 - £70,000 per annum
Posted:

Senior Software Developer with Security Clearance

Springfield, Virginia, United States
TekSynap
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 ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Software Developer, Senior (TS/SCI Required) with Security Clearance

Washington, Washington DC, United States
Potawatomi Federal Solutions, LLC
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 ❯
Employment Type: Permanent
Salary: USD 200,000 Annual
Posted:

Senior Software Developer

Bath, Somerset, South West, United Kingdom
YT Technologies
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 ❯
Employment Type: Permanent
Salary: £70,000
Posted:

Appian Software Developer Senior III with Security Clearance

Aberdeen Proving Ground, Maryland, United States
ASRC Federal
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 with at least an active Secret … clearance to support our Army G-1 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 … 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 ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Software Developer Senior with Security Clearance

Fort Belvoir, Virginia, United States
Hybrid / WFH Options
General Dynamics Information Technology
Deliver simple solutions to complex problems as a Software Developer, Senior at GDIT. Here, you'll tailor cutting-edge solutions to the unique requirements of our clients. With a career in application development, you'll make the end user's experience your priority and we'll make your career growth ours. At GDIT, people are our differentiators. … As a Software Developer you will help ensure today is safe and tomorrow is smarter. Our work depends on Software Developer joining our team to support DoD Red Team's assessments support external customers and target sites, not DTRA. These projects support critical defense capabilities managed by multiple DoD and/or US Government customers. Senior … to implement risk management strategies for mission assurance to prevent, protect, and mitigate threats to assets and operations critical to national security and the National Military Strategy HOW A SOFTWARE DEVELOPER WILL MAKE AN IMPACT: Host-based computer forensics, network-based forensics, cyber incident response, cyber-criminal investigation, intrusion detection/analysis, designing countermeasures and mitigations against potential More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Senior Software Developer

Nottingham, Nottinghamshire, England, United Kingdom
Searchability
Senior Software Developer On-Site role in Nottingham Salary of £45-55k Multiple roles available No sponsorship offered To apply please email About the client: My client are a successful Nottingham based software company who design and build solutions for a range of leading clients. A series of wins means that they are now looking … for local and dedicated Software Developers to join their close-knit team. The Software Developer role: You will be developing high quality code and maintaining our clean coding practices. C#, .Net, VB.Net, SQL Software Developer - Essential Skills: Experience working with C# Commercial experience of .NET Can do attitude with good communication skills Knowledge of MS More ❯
Employment Type: Full-Time
Salary: £45,000 - £55,000 per annum
Posted:

Senior Software Developer

Nottingham, Nottinghamshire, East Midlands, United Kingdom
Hybrid / WFH Options
Oscar Associates (UK) Limited
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 ❯
Employment Type: Permanent, Work From Home
Salary: £75,000
Posted:

Senior Platform Software Developer

United Kingdom
Hybrid / WFH Options
Oscar Associates (UK) Limited
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 ❯
Employment Type: Contract, Work From Home
Rate: £550 - £650 per day
Posted:

Senior Software Developer

Greater London, England, United Kingdom
Premier Group
Senior Software Developer London – Twice a week in the office £70,000-£90,000 I’m currently working for a well-established tech consultancy business of over 70 years who are based in Central London and looking for a Senior Software Developer , paying up to £90,000 and requiring office working of twice a More ❯
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Senior Software Developer

london, south east england, united kingdom
Premier Group
Senior Software Developer London – Twice a week in the office £70,000-£90,000 I’m currently working for a well-established tech consultancy business of over 70 years who are based in Central London and looking for a Senior Software Developer , paying up to £90,000 and requiring office working of twice a More ❯
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Senior Software Developer

slough, south east england, united kingdom
Premier Group
Senior Software Developer London – Twice a week in the office £70,000-£90,000 I’m currently working for a well-established tech consultancy business of over 70 years who are based in Central London and looking for a Senior Software Developer , paying up to £90,000 and requiring office working of twice a More ❯
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Senior Software Developer

London, United Kingdom
Hybrid / WFH Options
Tria
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 ❯
Employment Type: Permanent
Salary: £65000 - £70000/annum excellent benefits
Posted:

Senior Software Developer (TS/SCI with Poly/NEW HIRE SIGN-ON BON with Security Clearance

Hanover, Maryland, United States
General Dynamics Information Technology
position is eligible for a sign-on bonus up to $30,000 for New Hires You receive an additional 5 days of PTO for TS/SCI with Poly SOFTWARE DEVELOPER SR PRINCIPAL Transform technology into opportunity as a Software Developer Sr Principal at GDIT. Shape what's next for mission-critical government projects while shaping … what's next for your engineering career. MEANINGFUL WORK AND PERSONAL IMPACT As a Software Developer Sr Principal, the work you'll do at GDIT will be impactful to the mission of our customer. You will play a crucial role in designing and developing software solution that support our customer's national security mission. • Designs, develops, evaluates … plans and tests engineering specifications for software programs and applications • Participate in sprint planning •Monitor and maintain software systems supporting high priority customer missions • Interact with end users to generate requirements and enhancement to existing systems WHAT YOU'LL NEED TO SUCCEED Bring your engineering expertise along with a drive for innovation to GDIT. The Software Developer More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:
Senior Software Developer
10th Percentile
£55,500
25th Percentile
£60,000
Median
£67,500
75th Percentile
£80,000
90th Percentile
£85,000