At a Glance
- Tasks: Develop innovative software solutions and tackle complex technical challenges.
- Company: Join a forward-thinking tech company with a collaborative and inclusive culture.
- Benefits: Enjoy competitive salary, private medical insurance, and 33 days annual leave.
- Other info: Flexible working options and strong commitment to diversity and inclusion.
- Why this job: Make a real impact with cutting-edge technologies in a dynamic environment.
- Qualifications: 10+ years of software engineering experience, especially in Java and modern SPA frameworks.
The predicted salary is between 61500 - 78800 £ per year.
Location: Farnborough, with flexibility to work from home dependent on business demands
Salary: £61,500 - £78,800
Role
As a Senior Software Engineer you will play a critical role in both the sustainment of the current environment and the delivery of new capabilities. You will develop solutions to complex technical issues and problems that impact multiple areas or disciplines; regularly employ ingenuity and creativity to develop new technical solutions and systems to achieve functional objectives. This is a senior individual contributor role.
Responsibilities
- Deliver high‑quality, production‑ready software through hands‑on development, spanning both backend and front‑end technologies.
- Develop, debug, test, document, and deploy software enhancements aligned with the Software Development Strategy.
- Contribute to full‑stack delivery, including backend services and REST APIs implemented in Java, and modern single‑page applications implemented using React/TypeScript or equivalent frameworks.
- Make technical decisions within assigned scope, aligning with agreed architectural direction and escalating broader decisions where appropriate.
- Apply strong software engineering practices to ensure solutions are clean, maintainable, well‑documented, and fit for long‑term operation.
- Ensure adherence to established code review standards and quality gates for all changes delivered within the project.
- Continuously validate and maintain the build and deployment pipeline for your own changes: update as necessary and guide other developers on pipeline practices.
- Write and maintain unit tests and integration tests as a standard part of development.
- Support and contribute to test automation efforts, working closely with the test team.
- Collaborate closely with other engineers, architects, and testers to ensure new and modified software is fully verified prior to promotion.
- Support Agile delivery practices, including planning, estimation, backlog refinement, and iterative delivery.
- Use and support development tooling and processes, including CI/CD pipelines and integrated security scanning.
- Mentor and support less experienced engineers through technical guidance, code reviews, and informal coaching.
- Communicate effectively with peers and stakeholders on technical matters, providing clear and well‑reasoned input.
Qualifications
- 10+ years of software engineering experience, including substantial hands‑on delivery using Java (Java 8 and modern Java versions such as 17 and 21) and REST API design and implementation.
- Modern SPA development experience (required) using React and TypeScript, Angular, or Vue.
- Strong understanding of design patterns and a structured approach to software development.
- Proven experience delivering complex changes in production environments.
- Demonstrated experience writing unit and integration tests as a normal part of delivery.
- Familiarity with Agile software development processes and working within iterative delivery models.
- Familiarity with the Atlassian tool suite (e.g. Jira, Bitbucket, Bamboo) or equivalent tooling, with a solid understanding of CI/CD concepts, workflows, and practices.
- Experience working with code review standards, quality gates, CI/CD pipelines, and security scanning processes.
Desirable Skills and Experience
- Familiarity with integration and architectural patterns (e.g. adapters, orchestration patterns such as saga).
- 3+ years C/C++ experience.
- Perl, Python, and/or bash scripting experience.
- Experience contributing to or supporting test automation initiatives (UI and/or API).
Clearance Requirements
Successful candidates will be required to be willing and able to obtain UK Security Clearances - this requires a minimum of 5 years residency in the UK.
Benefits
- Contributory Pension Scheme
- Private Medical Insurance
- 33 days Annual Leave (including public and privilege holidays)
- Access to Flexible benefits (including life assurance, health schemes, gym memberships, annual buy and sell holidays and a cycle to work scheme)
- Flexi‑Time Working
Commitment to Diversity
We welcome applications from every part of the community and are committed to a truly diverse and inclusive culture. We foster a sense of belonging, welcoming all perspectives and contributions, and providing equal access to opportunities and resources for everyone. If you have a disability or need any reasonable adjustments during the application and selection stages please let us know, and we will respond in a way that best fits your needs.
Commitment to Non‑Discrimination
All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.
Senior Software Engineer (Full Stack) in London employer: Leidos
At Leidos, we pride ourselves on being an exceptional employer, offering a dynamic work environment in Farnborough that encourages innovation and collaboration. Our commitment to employee growth is reflected in our comprehensive benefits package, including a contributory pension scheme, private medical insurance, and 33 days of annual leave, alongside flexible working arrangements that promote a healthy work-life balance. Join us to be part of a diverse and inclusive culture where your contributions are valued, and you can thrive both personally and professionally.
StudySmarter Expert Advice🤫
We think this is how you could land Senior Software Engineer (Full Stack) in London
✨Tip Number 1
Network like a pro! Reach out to your connections in the industry, attend meetups, and engage in online communities. You never know who might have the inside scoop on job openings or can refer you directly.
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your projects, especially those using Java, React, and TypeScript. This gives potential employers a taste of what you can do and sets you apart from the crowd.
✨Tip Number 3
Prepare for interviews by brushing up on your technical knowledge and soft skills. Practice coding challenges and be ready to discuss your past experiences in detail. Remember, confidence is key!
✨Tip Number 4
Apply through our website! It’s the best way to ensure your application gets noticed. Plus, we love seeing candidates who are proactive about their job search. Don’t hesitate to follow up after applying!
We think you need these skills to ace Senior Software Engineer (Full Stack) in London
Some tips for your application 🫡
Tailor Your CV:Make sure your CV reflects the skills and experiences that match the Senior Software Engineer role. Highlight your full-stack development experience, especially with Java and modern frameworks like React or TypeScript.
Craft a Compelling Cover Letter:Use your cover letter to tell us why you're the perfect fit for this role. Share specific examples of how you've tackled complex technical issues and contributed to high-quality software delivery in your previous roles.
Showcase Your Projects:If you have any personal or professional projects that demonstrate your skills in backend services, REST APIs, or SPA development, include them! We love seeing real-world applications of your expertise.
Apply Through Our Website:For the best chance of getting noticed, apply directly through our website. It helps us keep track of your application and ensures you’re considered for the role as quickly as possible!
How to prepare for a job interview at Leidos
✨Know Your Tech Stack
Make sure you’re well-versed in the technologies mentioned in the job description, especially Java, React, and TypeScript. Brush up on your knowledge of REST APIs and be ready to discuss your past experiences with these technologies.
✨Showcase Your Problem-Solving Skills
Prepare to discuss specific examples where you've tackled complex technical issues. Think about how you used creativity and ingenuity to develop solutions, as this is a key part of the role.
✨Demonstrate Agile Experience
Since the role involves Agile practices, be ready to talk about your experience with Agile methodologies. Share examples of how you've contributed to planning, estimation, and iterative delivery in previous projects.
✨Prepare for Code Reviews
Understand the importance of code quality and be prepared to discuss your approach to code reviews. Highlight any experience you have with maintaining code standards and mentoring less experienced engineers.
