At a Glance
- Tasks: Build and enhance core data systems and APIs in a dynamic environment.
- Company: Fast-growing, VC-backed data platform with an innovative culture.
- Benefits: Competitive salary, hybrid work, and opportunities for career development.
- Other info: Join a small, energetic team with significant scope for influence.
- Why this job: Make a real impact on complex data problems and mentor fellow engineers.
- Qualifications: Strong TypeScript and backend experience, comfortable in fast-paced environments.
The predicted salary is between 60000 - 80000 £ per year.
Our client is a fast-growing, VC-backed data platform that helps global brands understand and monetise user behaviour within next-generation digital environments. The company fosters a dynamic, innovative culture with a focus on ownership and impactful work. This role involves working as a backend-leaning fullstack engineer (80/20 split), building and enhancing core data systems and APIs. The position requires collaboration with data pipelines, end-to-end feature ownership, and contributions to the technical growth of a developing engineering team. It offers a fast-paced environment with significant scope for influence and career development.
The Senior Software Engineer will be integral to enhancing the company's data platforms, working primarily on backend systems with a focus on TypeScript, Node.js, and AWS. The role provides an opportunity to work on complex data problems, improve system architecture, and mentor fellow engineers within a small, energetic team.
Key Skills & Experience- Strong TypeScript engineering experience with real backend expertise
- Experience with data pipelines and high-volume data processing (e.g., S3, transformations)
- Proficiency in building and maintaining APIs and working with databases such as MySQL, MongoDB, or PostgreSQL
- Hands-on experience with Node.js, Express, and SQL/NoSQL databases
- Familiarity with cloud services, particularly AWS, including S3 and Kubernetes
- Experience working within startup or small team environments, comfortable with fast-paced tradeoffs
- Ability to mentor and review code proactively
- Solid understanding of database design and API development
- Build and improve core data systems and APIs
- Manage data pipelines involving high-volume data transformations
- Own features end-to-end, including API development, database management, and internal tools
- Collaborate closely with the engineering team to enhance system performance and scalability
- Contribute to the team’s technical growth and share knowledge through mentoring and code reviews
- Right to work in the UK
- Experience in a similar senior engineering role
- On-site work at our client's London (Paddington) location, with a hybrid working environment
- Ability to start on 17/04/2026
- Demonstrated experience with JS Node API, MongoDB, Postgres, SQL, and Typescript
- Experience with Kubernetes and Elasticsearch
If you're a proactive, experienced engineer looking to make a meaningful impact within a fast-moving environment, apply now to join this innovative team.
Senior Software Engineer in Sunbury employer: Gravitas Group
Our client is an exceptional employer, offering a vibrant and innovative work culture that empowers employees to take ownership of their projects and make a significant impact. Located in the heart of London (Paddington), the company provides ample opportunities for professional growth and mentorship within a small, dynamic team, making it an ideal environment for those looking to advance their careers while tackling complex data challenges.
StudySmarter Expert Advice🤫
We think this is how you could land Senior Software Engineer in Sunbury
✨Tip Number 1
Network like a pro! Reach out to your connections in the tech industry, especially those who work at companies you're interested in. A friendly chat can lead to referrals and insider info that could give you the edge.
✨Tip Number 2
Show off your skills! Create a portfolio or GitHub repository showcasing your projects, especially those involving TypeScript, Node.js, and AWS. This gives potential employers a taste of what you can do beyond just a CV.
✨Tip Number 3
Prepare for technical interviews by brushing up on your coding skills and system design knowledge. Practice common algorithms and data structures, and be ready to discuss your past projects and how you tackled challenges.
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets seen. Plus, we love seeing candidates who take the initiative to connect directly with us.
We think you need these skills to ace Senior Software Engineer in Sunbury
Some tips for your application 🫡
Tailor Your CV:Make sure your CV reflects the skills and experiences mentioned in the job description. Highlight your TypeScript, Node.js, and AWS expertise, as well as any experience with data pipelines and APIs. We want to see how you can contribute to our dynamic team!
Craft a Compelling Cover Letter:Your cover letter is your chance to show us your personality and passion for the role. Share specific examples of your past work that align with the responsibilities listed, like owning features end-to-end or mentoring fellow engineers. Let us know why you're excited about this opportunity!
Showcase Your Problem-Solving Skills:In your application, don’t shy away from discussing complex data problems you've tackled in the past. We love seeing how you approach challenges, especially in a fast-paced environment. This will help us understand your thought process and technical growth potential.
Apply Through Our Website:We encourage you to apply directly through our website for a smoother application process. It’s the best way for us to receive your application and ensures you don’t miss out on any important updates. We can’t wait to hear from you!
How to prepare for a job interview at Gravitas Group
✨Know Your Tech Stack Inside Out
Make sure you’re well-versed in TypeScript, Node.js, and AWS. Brush up on your knowledge of data pipelines and high-volume data processing. Be ready to discuss specific projects where you've used these technologies and how they contributed to the success of your team.
✨Showcase Your Problem-Solving Skills
Prepare to talk about complex data problems you've tackled in the past. Think of examples where you improved system architecture or optimised performance. This will demonstrate your ability to think critically and contribute to the company's goals.
✨Emphasise Collaboration and Mentorship
Since this role involves working closely with a small team, highlight your experience in mentoring and collaborating with others. Share instances where you’ve helped fellow engineers grow or contributed to team projects, showcasing your leadership potential.
✨Be Ready for Fast-Paced Scenarios
Given the dynamic environment of a startup, prepare for questions that assess your adaptability. Think of examples where you successfully navigated trade-offs or made quick decisions under pressure. This will show that you can thrive in a fast-moving setting.
