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- Tasks: Build and scale a cutting-edge SaaS platform while influencing architecture.
- Company: Fast-growing SaaS company at the intersection of data and security.
- Benefits: Equity, fully remote work, and genuine ownership of product direction.
- Other info: Join a dynamic team with opportunities for technical leadership.
- Why this job: Make a real impact on a meaningful platform with high-calibre engineers.
- Qualifications: Strong Java and Vue.js experience, plus mentoring skills.
The predicted salary is between 70000 - 90000 £ per year.
We’re working with a fast-growing SaaS company operating at the intersection of data, enterprise platforms, and security. They’re building a highly sophisticated product used by large-scale organisations to make smarter, data-driven decisions across complex systems.
They’re now looking to bring in a Senior / Principal Full Stack Engineer to play a key role in shaping the product and technical direction as they scale. This is a hands‑on role with real ownership — ideal for someone who enjoys building high-quality systems, influencing architecture, and working closely with product.
What You’ll Be Doing
- Building and scaling a modern, high-performance SaaS platform
- Working across the full stack with a strong emphasis on clean architecture and scalability
- Collaborating with product and leadership to translate ideas into technical solutions
- Designing and developing robust APIs and backend services
- Leading technical initiatives and mentoring other engineers
- Contributing to CI/CD pipelines and cloud-based infrastructure
- Frontend: Vue.js
What They’re Looking For
- Strong experience in Java + Spring Boot at a senior level
- Deep expertise in Vue.js and modern frontend development
- Proven experience building scalable, production-grade systems
- Solid understanding of API design, databases, and cloud environments
- Ability to take high-level requirements and break them down into technical delivery
- Experience mentoring engineers or leading technical projects
Nice to have:
- Exposure to cybersecurity, data platforms, or complex enterprise systems
Why This Role?
- Genuine ownership and impact on product direction
- High-calibre engineering environment
- Equity as part of the package
- Fully remote within the UK
- Opportunity to work on a technically challenging, meaningful platform
Process
- 3-stage interview process (efficient and well-structured)
If this sounds like something you’d be open to exploring, apply directly or drop me a message for more details.
Principal Full Stack Engineer in London employer: OpenSourced - Search & Selection
Contact Detail:
OpenSourced - Search & Selection Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Principal Full Stack Engineer in London
✨Tip Number 1
Network like a pro! Reach out to your connections in the tech industry, especially those who might know someone at the company you're eyeing. A friendly chat can sometimes lead to a referral, which is gold when it comes to landing that Principal Full Stack Engineer role.
✨Tip Number 2
Show off your skills! Create a portfolio or GitHub repository showcasing your projects, especially those involving Java, Spring Boot, and Vue.js. This gives potential employers a taste of what you can do and how you approach building scalable systems.
✨Tip Number 3
Prepare for the interview by brushing up on your technical knowledge and soft skills. Be ready to discuss your experience with API design and cloud environments, and don’t forget to highlight any mentoring you've done. We want to see how you can influence architecture and lead initiatives!
✨Tip Number 4
Apply through our website! It’s the best way to ensure your application gets seen. Plus, if you drop us a message, we can help you navigate the process and give you tips tailored to the role. Let’s get you that job!
We think you need these skills to ace Principal Full Stack Engineer in London
Some tips for your application 🫡
Show Off Your Skills: Make sure to highlight your experience with Java, Spring Boot, and Vue.js in your application. We want to see how you've built scalable systems and tackled complex challenges in the past!
Be Clear and Concise: When writing your application, keep it straightforward. Use clear language to explain your technical expertise and how it aligns with what we're looking for. We appreciate a well-structured application!
Tailor Your Application: Don’t just send a generic application! Tailor it to reflect how your background fits the role of Principal Full Stack Engineer. Mention specific projects or experiences that relate to building high-performance SaaS platforms.
Apply Through Our Website: We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you’re considered for this exciting opportunity!
How to prepare for a job interview at OpenSourced - Search & Selection
✨Know Your Tech Stack Inside Out
Make sure you’re well-versed in Java, Spring Boot, and Vue.js. Brush up on your knowledge of clean architecture and scalable systems. Be ready to discuss specific projects where you've applied these technologies.
✨Showcase Your Problem-Solving Skills
Prepare to talk about how you've tackled complex technical challenges in the past. Think of examples where you translated high-level requirements into actionable technical solutions, especially in a SaaS environment.
✨Demonstrate Leadership and Mentorship
Since this role involves mentoring other engineers, be prepared to share your experiences in leading technical initiatives. Highlight any instances where you’ve guided a team or influenced project direction.
✨Engage with Their Vision
Research the company’s product and its impact on data-driven decision-making. Show genuine interest in their mission and be ready to discuss how you can contribute to shaping their technical direction.