right to opt-out. For detailed information about personal information we collect and third parties having access to it, please select 'More Information' or refer to our privacy policy.Senior SoftwareEngineer page is loaded SeniorSoftware Engineerlocations: United Kingdom - London Localtime type: Full timeposted on: Posted Todayjob requisition id: JR100055Snyk is the leader in secure AI … software development, helping millions of developers develop fast and stay secure as AI transforms how software is built. Our AI-native Developer Security Platform integrates seamlessly into development and security workflows, making it easy to find, fix, and prevent vulnerabilities - from code and dependencies to containers and cloud.Our mission is to empower every developer to innovate securely in … build Snyk on One Team, Care Deeply, Customer Centric, and Forward Thinking.It's how we stay driven, supportive, and always one step ahead as AI reshapes our world.As a SeniorSoftwareEngineer, you'll play a significant role in shaping the technology at Snyk. You will work within a collaborative, forward-thinking team to build foundational, scalable More ❯
Arlington, Virginia, United States Hybrid / WFH Options
Segue Technologies, Inc
SeniorSoftwareEngineer - Maximo Application Suite (MAS) Position Summary: Segue Technologies seeks a Maximo SoftwareEngineer to provide deliverable-focused development, maintenance, and sustainment support for IBM Maximo Application Suite (MAS), MIF interfaces and related enterprise applications. The softwareengineer will play a key role in supporting ongoing application development, maintenance, and support … Job Duties and Responsibilities: Work independently and as part of a team to analyze issues, requirements, changing/evolving business needs and translate these into processes and/or software development tasks. Perform Maximo version upgrades, including upgrade to MAS 9.x from Maximo 7.6.1.x, evaluate and implement new features in Maximo, such as build interfaces. Provide development support for … of Arlington, VA, with a presence in over 14 states and DC. We support Federal and DoD organizations to develop and enhance mission-critical business systems. We provide custom software applications, solve data management problems, and support the evolution of the mobile workforce. Segue Technologies, Inc. is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive More ❯
Fairfax, Virginia, United States Hybrid / WFH Options
General Dynamics Information Technology
SoftwareEngineer Sr Advisor Deliver simple solutions to complex problems as a SoftwareEngineer Sr Advisor 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 differentiator. As a SoftwareEngineer Sr Advisor you will help ensure today is safe and tomorrow is smarter. Our work depends on SoftwareEngineer Sr Advisor joining our team to drive the design and development of mission-focused software solutions for the U.S. Intelligence Community. This role requires both deep … technical expertise and strong leadership capabilities to support national security initiatives through advanced application development. As a lead engineer, you will guide a high-performing team building secure, resilient, and scalable systems that support critical intelligence operations-from data ingestion and analysis to real-time situational awareness and decision support. HOW A SOFTWAREENGINEER SR ADVISOR WILL More ❯
Manchester, Lancashire, United Kingdom Hybrid / WFH Options
InterQuest Solutions
SeniorSoftwareEngineer (£70k + benefits) Great opportunity for Software Engineers to work for a tech start-up in Manchester going through a period of growth ahead of seeking Series B investment early next year. You'd join a small engineering department and would work within a cross functional product based team responsible for building cloud … on, from ideation through to deployment and maintenance, and they value teamwork over individual heroics, so focus on engineering best practice like TDD, SOLID and Pair Programming. As a SeniorSoftwareEngineer, you'd also have the opportunity to mentor other team members and collaborate with product managers. Skills: TypeScript (Node, React) Observability tools (Datadog, Dynatrace, Honeycomb More ❯
South Glamorgan, United Kingdom Hybrid / WFH Options
IntaPeople
who have been recognised as a Great place to Work for several years running. Due to a large amount of continued growth we re looking to hire 4-5 Software Engineers within their tech agnostic engineering teams. The team work remotely so candidates based throughout the UK are welcome to apply but a Cardiff based office location is also … basis, so candidates must be living and working within the UK. This is a fantastic time to join their product teams who have a wide range of technology products, software and services on offer. Being an experienced Engineer you will also contribute to a wide range of development projects whilst championing engineering excellence which will help shape the … technologies so we re looking to speak with candidates with the below skills. Skills and experience at a glance: A minimum of 4-7+ years experience as a Software/SeniorEngineer Strong experience with technologies such as Java, Golang, TypeScript or Python. Experience with both JavaScript and frameworks such as React and Express.js (or similar More ❯
Cardiff, Butetown Community, South Glamorgan, United Kingdom Hybrid / WFH Options
IntaPeople
who have been recognised as a ‘Great place to Work’ for several years running. Due to a large amount of continued growth we’re looking to hire 4-5 Software Engineers within their tech agnostic engineering teams. The team work remotely so candidates based throughout the UK are welcome to apply but a Cardiff based office location is also … basis, so candidates must be living and working within the UK. This is a fantastic time to join their product teams who have a wide range of technology products, software and services on offer. Being an experienced Engineer you will also contribute to a wide range of development projects whilst championing engineering excellence which will help shape the … technologies so we’re looking to speak with candidates with the below skills. Skills and experience at a glance: A minimum of 4-7+ years experience as a Software/SeniorEngineer Strong experience with technologies such as Java, Golang, TypeScript or Python. Experience with both JavaScript and frameworks such as React and Express.js (or similar More ❯
Bristol, Avon, England, United Kingdom Hybrid / WFH Options
ARCA Resourcing Ltd
Job Title: SoftwareEngineer/SeniorSoftware Engineers – Linux, C++, Networking, Python (All Levels) Location: Bristol - Hybrid Type: Full-time, 12 month FTC Salary: Competitive, commensurate with experience Whether you have 18 months or 5+ years of relevant experience, if you’re passionate about building high-performance systems in a dynamic environment, we’d love to … hear from you. About the Role We are partnering with a well-established high-tech scale-up to find experienced Software Engineers to join their dynamic and innovative team. This is a hands-on engineering role where you’ll be instrumental in the design, development, and maintenance of advanced systems and associated platforms. You’ll work across planned software feature development, real-time troubleshooting, and complex systems integration. This is a great opportunity to deepen your skills in high-performance software and modern infrastructure while working in a collaborative, fast-paced environment. Key Responsibilities Develop, enhance, and maintain robust software solutions for mission-critical systems. Design and implement multithreaded C++ applications for data processing. Script tools More ❯
JOB DETAILS Role Title: SeniorSoftwareEngineer Possibility of remote work : Hybrid 2-3 weeks from office. Contract Duration 6+ months (can be extended based upon performance. ) Locations: SHEFFILED or BIRMINGHAM or EDINBURGH The client is looking for a highly motivated and experienced SeniorSoftwareEngineer to support development of services hosted on Public … Cloud platforms. You will leverage your expertise in Software Development, along with your Cloud Engineering experience across AWS/GCP, to design and implement resilient frontend client, backend services and cloud-native solutions. This is an opportunity to work on high-impact systems within a secure, high-availability environment at one of the world's leading financial institutions. Key … experience: The ideal candidate for this role will have the below experience and qualifications: • Bachelor's or master's degree in computer science or equivalent industry experience. • Comes from Software Engineering background with infrastructure experience. • 5+ years of development experience with a strong focus on large-scale, distributed systems. • Proficient in Python, Golang and PostgreSQL. • Experience with Liquibase or More ❯
Southampton, Hampshire, South East, United Kingdom Hybrid / WFH Options
Claremont Consulting
SeniorSoftwareEngineer for hybrid IT role with my client's offices being based in Southampton My client is looking to recruit a SeniorSoftwareEngineer with excellent .Net c# developer skills The Technology function is responsible for the delivery of business and technology change including the provision of robust infrastructure and IT service … Experience of taking business requirements and designing, implementing and producing high quality end to end products. Working with other members of the team to collaborate to produce high-quality software solutions contributing to and following established development practices. Experience of designing, developing and maintaining RESTful APIs Understanding of integrating with React, Next.js and Ionic applications Technical knowledge and experience More ❯
Arlington, Virginia, United States Hybrid / WFH Options
Segue Technologies Inc
SeniorSoftwareEngineer - Maximo Application Suite (MAS) Position Summary: Segue Technologies seeks a Maximo SoftwareEngineer to provide deliverable-focused development, maintenance, and sustainment support for IBM Maximo Application Suite (MAS), MIF interfaces and related enterprise applications. The softwareengineer will play a key role in supporting ongoing application development, maintenance, and support More ❯
Arlington, Virginia, United States Hybrid / WFH Options
Rackner
SeniorSoftwareEngineer - Cloud & DevSecOps (Hybrid TS/SCI) Location: Arlington, VA/Charlottesville, VA (Hybrid; a few days per month onsite) Clearance: Active Top Secret (SCI Eligible) Remote Flexibility: Possible for AWS/Azure + Crossplane SMEs Why This Role Matters Take your career to the next level as a SeniorSoftwareEngineer … maintain applications across Python, Go, Java, JavaScript, and C/C++ - Influence security, cloud adoption, and automation strategies at a mission-critical scale What You Bring - 10+ years of software engineering experience in cloud, DevSecOps, and automation - Strong proficiency with Terraform, Crossplane, and multi-cloud IaC - Programming expertise: Python, Go, Java, JavaScript, C/C++ - Linux, networking, and cloud More ❯
Edinburgh, Midlothian, Scotland, United Kingdom Hybrid / WFH Options
InterQuest Group (UK) Limited
SeniorSoftwareEngineer – Java (Digital Consultancy) – Edinburgh – Hybrid – up to £85K We're working with a rapidly growing UK digital consultancy with a headcount of 500+ and offices across the UK. They combine technical excellence with a supportive culture that genuinely puts people first. This is an opportunity to join a cross-functional agile team delivering innovative … finance, e-commerce, gaming, and more. You'll be working alongside engineers, QA, product, and design to build robust systems that make a real impact. The Role As a SeniorSoftwareEngineer, you will: • Work across multiple technologies, producing scalable, testable, and well-architected code. • Develop and maintain RESTful Java APIs and database integrations. • Troubleshoot and solve … complex software issues, ensuring quality and performance. • Guide and mentor less experienced engineers through feedback, pair programming, and coaching. Tech Stack • Backend: Java, RESTful APIs • Cloud & Deployment: AWS, CI/CD pipelines • Other: Third-party API integrations About You • Have strong Java API development experience. • Supports for best practices such as code reviews, pair programming, and automated testing. • Have More ❯
cheltenham, south west england, united kingdom Hybrid / WFH Options
Obsidian Security
Cloud, and a major fundraise on the horizon, we're scaling quickly toward long-term growth and IPO readiness. Join us as we define the future of SaaS security SeniorSoftwareEngineer About The Role As a SeniorSoftwareEngineer at Obsidian, you'll: Build new backend processing systems that power Obsidian's core … and implement APIs and backend services, including multithreaded applications Collaborate with product and engineering teams to support key product themes and ensure delivery of high-impact features Apply strong software engineering practices to requirements gathering, system design, and code reviews Contribute to a fast-moving, collaborative environment where adaptability and teamwork are essential What's In It For You … where your contributions are valued Enjoy a hybrid working, with supported remote working and great office spaces in Cheltenham and Manchester Required Skills & Experience Minimum 5 years in a software engineering role Proficiency in one or more modern programming languages such as Python, Go or SQL Experience building backend services, APIs, and multithreaded applications Familiarity with containerization and orchestration More ❯
Bournemouth, Dorset, United Kingdom Hybrid / WFH Options
Passenger Technology Group Ltd
At Passenger, we build technology for good, and we're looking for a like minded SeniorSoftwareEngineer who is passionate about delivering a positive impact on the world around us. You'll join an existing team of talented engineers, bringing your can do attitude to help us plan, deliver, and improve complex systems. You'll primarily … be working hands on with the Symfony framework deploying to AWS to solve interesting challenges every day. About you You are a highly competent SeniorSoftwareEngineer with 3 or more years of professional experience in a senior role, comfortable in environments where scale and agility are critical. You truly excel at owning the full software … minimal guidance. Technically, you are a full stack expert, comfortable with PHP frameworks like Symfony (or similar) and front end technologies using JavaScript/TypeScript. You are a standout engineer who applies a deep ability to design and test solutions, using a quality first approach to build applications that are robust, secure, scalable, and accessible. More than just a More ❯
Bristol, Avon, England, United Kingdom Hybrid / WFH Options
SR2
SeniorSoftwareEngineer | Golang, Node.js, TypeScript, React & AWS | Fully Remote (Southwest preferred) | Salary £60-70kWould you like to join a fintech that’s taking the pain away from an entire sector of the finance industry This business was founded by someone with deep industry expertise and strong technical ability. They built the first version of their … success. Since then, demand has surged, and they’ve now developed Version 2 and rolled it out to a much larger user base.They’re now looking for a new SeniorEngineer to join the team as they continue to scale. You’ll be an established Senior or a high-end Mid-Level Engineer who’s on More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Interquest
SeniorSoftwareEngineer – Java (Digital Consultancy) – London – Hybrid – up to £85K We’re working with a rapidly growing UK digital consultancy with a headcount of 500+ and offices across the UK. They combine technical excellence with a supportive culture that genuinely puts people first. This is an opportunity to join a cross-functional agile team delivering innovative … finance, e-commerce, gaming, and more. You’ll be working alongside engineers, QA, product, and design to build robust systems that make a real impact. The Role As a SeniorSoftwareEngineer, you will: • Work across multiple technologies, producing scalable, testable, and well-architected code. • Develop and maintain RESTful Java APIs and database integrations. • Troubleshoot and solve … complex software issues, ensuring quality and performance. • Guide and mentor less experienced engineers through feedback, pair programming, and coaching. Tech Stack • Backend: Java, RESTful APIs • Cloud & Deployment: AWS, CI/CD pipelines • Other: Third-party API integrations About You • Have strong Java API development experience. • Supports for best practices such as code reviews, pair programming, and automated testing. • Have More ❯
City Of Bristol, England, United Kingdom Hybrid / WFH Options
IC Resources
Senior Embedded SoftwareEngineer now needed in Bristol by market leader in the Embedded Safety and Security market. I am seeking a highly skilled Senior Embedded SoftwareEngineer to work alongside industry experts developing our clients portfolio of embedded software products. *Salary £50K TO £70K PLUS benefits, hybrid working, visa support** Suitable Senior Embedded Software Engineers will be well educated with proven low level embedded C/assembler expertise and knowledge of real time operating systems, ideally FreeRTOS and ARM architectures. Networking knowledge should include TCP, UDP. Expertise in Safety Software standards: IEC 61508, DO 178B/C, ISO26262, IEC 61508, IEC 62304 would be beneficial. Super salary with flexible More ❯
Reston, Virginia, United States Hybrid / WFH Options
ICF
know success doesn't happen by accident. It takes the right team of people, working together on the right solutions for the customer. We are looking for a seasoned SeniorSoftwareEngineer who will be a key driver to make this happen. Our team supports the vision to improve patient quality care and consumer decision-making by … practices, and cloud-based infrastructure, our dynamic work environment involves multiple project teams collaborating toward a common vision of delivering an integrated solution. The Work We are seeking a SeniorSoftwareEngineer to join our dynamic team. In this role, you will be responsible for working with a team of engineers and building enterprise-level backend solutions … will be expected to design, develop, test, and deploy Java applications that meet the needs of our clients and partners. The ideal candidate will have a strong understanding of software development principles and a proven track record in backend development. Experience with Agile software development methodologies is a must, as we value collaboration and flexibility in our approach More ❯
Southampton, Hampshire, United Kingdom Hybrid / WFH Options
Spectrum It Recruitment Limited
Are you an experienced SeniorSoftwareEngineer with strong Delphi expertise? Join a forward-thinking technology business, working on a diverse range of bespoke applications, APIs, and databases that underpin both customer-facing products and internal systems. SeniorSoftwareEngineer - Delphi & C# Location: Hybrid (office in Southampton, Hampshire) Salary: Circa More ❯
Newcastle Upon Tyne, Tyne and Wear, England, United Kingdom Hybrid / WFH Options
Reed
SeniorSoftwareEngineer – Cutting-Edge Tech Projects | £58,000–£73,000 | Hybrid (UK-wide) Permanent | Active SC Clearance needed | Flexible Locations: London, Manchester, Leeds, Newcastle Are you a passionate SeniorSoftwareEngineer looking to work on impactful projects across cloud, data, and modern application development? We’re hiring on behalf of a fast-growing … experimentation. You’ll be part of agile teams working on diverse client engagements, building scalable solutions using the latest technologies. What You’ll Be Doing: Designing and developing robust software systems across the full lifecycle Collaborating with architects, consultants, and stakeholders to deliver high-quality solutions Working with cloud infrastructure and modern DevOps practices Contributing to projects that span More ❯
great abington, east anglia, united kingdom Hybrid / WFH Options
Illumina
has the opportunity to make a difference. Surrounded by extraordinary people, inspiring leaders, and world changing projects, you will do more and become more than you ever thought possible. SeniorSoftwareEngineer – Remote or Cambridge, UK Hybrid working available from our Cambridge office or fully remote within the UK As SeniorSoftwareEngineer here … the team that powers our industry-leading DNA sequencing and genotyping instruments. Working within Agile scrum teams, you'll design, implement, and test the operating system (OS) and control software that drives our cutting-edge biotech devices. This role is pivotal in ensuring the reliability and performance of our instruments across development, manufacturing, and field environments. You'll collaborate … closely with cross-functional teams and contribute to the full software lifecycle, from requirements gathering to deployment. Illumina's employee benefits are industry-leading and include, flexible time off, private medical insurance, compassion and care time off, leisure travel insurance, pension, employee stock purchasing program, volunteer time off, and much more Why You You are a passionate technologist with More ❯
South Glamorgan, United Kingdom Hybrid / WFH Options
IntaPeople
been recognised as a Great place to Work for several years running. Due to a large amount of continued growth we re looking to hire an experienced AI focussed Software Engineering within their core product team. The team work remotely so candidates based throughout the UK are welcome to apply but a Cardiff based office location is also available … basis, so candidates must be living and working within the UK. This is a fantastic time to join their product teams who have a wide range of technology products, software and services on offer. Being an experienced Engineer you will also contribute to a wide range of development projects whilst championing engineering excellence which will help shape the … future of their products. Skills and experience at a glance: 5-10years experience as a SoftwareEngineer Significant experience in software engineering with proficiency in at least one programming language such as Golang, Java, Python, or Typescript. Strong understanding of AI/ML concepts and ability to integrate AI-driven solutions into applications Experience with front More ❯
Cardiff, Butetown Community, South Glamorgan, United Kingdom Hybrid / WFH Options
IntaPeople
been recognised as a ‘Great place to Work’ for several years running. Due to a large amount of continued growth we’re looking to hire an experienced AI focussed Software Engineering within their core product team. The team work remotely so candidates based throughout the UK are welcome to apply but a Cardiff based office location is also available … basis, so candidates must be living and working within the UK. This is a fantastic time to join their product teams who have a wide range of technology products, software and services on offer. Being an experienced Engineer you will also contribute to a wide range of development projects whilst championing engineering excellence which will help shape the … future of their products. Skills and experience at a glance: 5-10years experience as a SoftwareEngineer Significant experience in software engineering with proficiency in at least one programming language such as Golang, Java, Python, or Typescript. Strong understanding of AI/ML concepts and ability to integrate AI-driven solutions into applications Experience with front More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Novatus Global
plans do not stop here; we are on the lookout for top-tier talent to join us on our journey and enable our next phase of success. The Role: SeniorSoftwareEngineer Location: London HQ Hybrid working and flexible hours: 4 days in the office and 1 WFH. Novatus Global is seeking an experienced SeniorSoftwareEngineer to join our growing team. This role is critical in helping us design, build, and scale our platform. You will be hands-on with system design, data engineering, and solution delivery. Strong experience with Snowflake is essential, as you will play a lead role in architecting and optimising our Snowflake data platform. Key Responsibilities Serve as a … application architecture to ensure performance, scalability, and security. Use prior experience building products on the Snowflake platform to help drive innovation for Novatus’ En:ACT platform. Build high-quality software by developing reliable applications and data pipelines (ETL/ELT) and writing clean, maintainable, and testable code. Collaborate closely with Product, Data, and Regulatory Insights teams to translate complex More ❯
plans do not stop here; we are on the lookout for top-tier talent to join us on our journey and enable our next phase of success. The Role: SeniorSoftwareEngineer Location: London HQ Hybrid working and flexible hours: 4 days in the office and 1 WFH. Novatus Global is seeking an experienced SeniorSoftwareEngineer to join our growing team. This role is critical in helping us design, build, and scale our platform. You will be hands-on with system design, data engineering, and solution delivery. Strong experience with Snowflake is essential, as you will play a lead role in architecting and optimising our Snowflake data platform. Key Responsibilities Serve as a … application architecture to ensure performance, scalability, and security. Use prior experience building products on the Snowflake platform to help drive innovation for Novatus’ En:ACT platform. Build high-quality software by developing reliable applications and data pipelines (ETL/ELT) and writing clean, maintainable, and testable code. Collaborate closely with Product, Data, and Regulatory Insights teams to translate complex More ❯