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- Tasks: Lead full-stack development and shape APIs for a high-growth tech startup.
- Company: Join an ambitious startup transforming digital platforms with data and automation.
- Benefits: Enjoy remote work, competitive salary up to £85,000, and a culture of learning.
- Why this job: Be part of a dynamic team, take ownership of projects, and drive real impact.
- Qualifications: 5-6+ years in full-stack development with strong API integration skills required.
- Other info: Ideal for those who thrive in fast-paced environments and embrace new challenges.
The predicted salary is between 48000 - 68000 £ per year.
This ambitious, early-stage tech startup is transforming how digital platforms leverage data and automation. Backed by a growing client base and a clear product vision, they are building a solution that integrates complex data sources to power real-time insights and streamlined workflows. They are now seeking a Senior Full-Stack Developer to join their lean, high-performing team. This is a pivotal opportunity for someone who thrives in fast-paced environments, enjoys autonomy, and brings deep technical experience across both frontend and backend development.
You’ll take ownership of end-to-end feature development from shaping APIs to delivering high-performance user interfaces helping define the technical direction of a rapidly evolving product.
Responsibilities- Lead full-stack development using NestJS, MongoDB, React, and TypeScript.
- Integrate and manage third-party APIs, including Meta’s API and a separate API for aggregating social media data.
- Contribute to system architecture and backend service design, including authentication and data flow across services.
- Deliver responsive, accessible, and performant web interfaces with Next.js and TailwindCSS.
- Collaborate with design, product, and engineering peers to bring new features to life.
- Implement robust testing strategies using Jest and other modern QA tools.
- Participate in code reviews and help define best practices for the engineering team.
- Communicate complex technical ideas clearly to both technical and non-technical stakeholders.
- Champion continuous improvement and a culture of experimentation and learning.
- 5–6+ years of experience in full-stack development roles.
- Solid experience with API integration (GraphQL, REST, OAuth).
- Familiarity with infrastructure tools like Docker or cloud platforms (e.g., AWS, Vercel, or GCP).
- Comfortable working in dynamic startup environments with shifting priorities.
- Demonstrated ability to take ownership of features from concept to release.
- Excellent problem-solving and communication skills.
- A collaborative, adaptable mindset and willingness to support teammates and business goals even if that means getting hands-on with unfamiliar tools or occasionally working outside of regular hours.
Senior Full Stack Engineer employer: JR United Kingdom
Contact Detail:
JR United Kingdom Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Senior Full Stack Engineer
✨Tip Number 1
Familiarise yourself with the tech stack mentioned in the job description, particularly NestJS, MongoDB, React, and TypeScript. Having hands-on experience or personal projects showcasing these technologies can significantly boost your chances.
✨Tip Number 2
Engage with the startup community, especially those focused on data and automation. Networking with professionals in similar roles can provide insights into the company culture and expectations, which can be invaluable during interviews.
✨Tip Number 3
Prepare to discuss your experience with API integration, particularly with GraphQL and REST. Be ready to share specific examples of how you've successfully integrated third-party APIs in past projects.
✨Tip Number 4
Showcase your problem-solving skills by preparing for technical challenges or coding tests that may be part of the interview process. Practising common algorithms and system design questions can help you stand out.
We think you need these skills to ace Senior Full Stack Engineer
Some tips for your application 🫡
Tailor Your CV: Make sure your CV highlights relevant experience in full-stack development, particularly with NestJS, MongoDB, React, and TypeScript. Emphasise any previous roles where you took ownership of features from concept to release.
Craft a Compelling Cover Letter: In your cover letter, express your enthusiasm for the role and the company. Mention specific projects or experiences that demonstrate your ability to thrive in fast-paced environments and your familiarity with API integration and cloud platforms.
Showcase Your Technical Skills: Include a section in your application that outlines your technical skills, especially those mentioned in the job description like API integration (GraphQL, REST, OAuth) and testing strategies using Jest. This will help you stand out as a qualified candidate.
Prepare for Interviews: If selected for an interview, be ready to discuss your past projects in detail. Prepare to explain complex technical concepts clearly, as you'll need to communicate effectively with both technical and non-technical stakeholders.
How to prepare for a job interview at JR United Kingdom
✨Showcase Your Technical Skills
Be prepared to discuss your experience with NestJS, MongoDB, React, and TypeScript in detail. Highlight specific projects where you've successfully integrated APIs or developed complex features, as this will demonstrate your capability to handle the responsibilities of the role.
✨Demonstrate Problem-Solving Abilities
Expect technical questions that assess your problem-solving skills. Prepare to walk through your thought process on how you would tackle common challenges in full-stack development, especially in a fast-paced startup environment.
✨Communicate Clearly
Since the role involves explaining complex technical ideas to non-technical stakeholders, practice articulating your thoughts clearly and concisely. Use examples from your past experiences to illustrate how you've successfully communicated in similar situations.
✨Emphasise Collaboration and Adaptability
Highlight your experience working in dynamic teams and your ability to adapt to shifting priorities. Share examples of how you've supported teammates and contributed to a positive team culture, as this aligns with the company's values.
