Staff Backend Engineer

JR United Kingdom; Dartford; Remote; GBP 120,000; Full time

Job summary

A leading HealthTech start-up is seeking a Staff Backend Engineer to join its new backend team in a fully remote role. You will lead the design and development of scalable systems, shape backend architecture, and help build the future of healthcare technology. With a competitive salary of £120,000 plus equity options, this position offers clear career progression and the chance to make a real impact from day one.

Benefits

Equity options

Competitive salary

Clear career progression

Impactful role from day one

Qualifications

• 7+ years of backend engineering experience.
• Strong background in multithreaded backend languages.
• Experience in the HealthTech space.

Responsibilities

• Lead the design and development of scalable, high-performance backend systems.
• Establish and enforce best practices for backend development.
• Provide solutions to complex technical challenges.

Skills

Backend engineering

System design

API development

Microservices architecture

Multithreaded backend languages

Cloud platforms

Tools

PostgreSQL

AWS

GCP

Docker

Kubernetes

Job description

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Location: Remote (UK-based candidates only)

Reports To: CTO

About the Company:

I’ve partnered with an exciting HealthTech start-up on a mission to revolutionise healthcare through technology. Following investment, they are now looking for a Staff Backend Engineer to join the team and help build their core backend systems. This is a fantastic opportunity to get in early, take ownership, and shape the future of both the technology and the engineering team.

Role Overview:

As a Staff Backend Engineer, you’ll be one of the first key hires on a new backend team. You will play a critical role in shaping the backend architecture, scaling systems, and setting engineering standards. Whether you want to move into engineering leadership or continue developing your technical expertise with a focus on architecture, the role offers a clear path in both directions.

Key Responsibilities:

• Lead the design and development of scalable, high-performance backend systems.
• Establish and enforce best practices for backend development and system architecture.
• Provide solutions to complex technical challenges and continuously improve the product and systems.
• Stay up to date with emerging technologies and apply them to build future-proof, efficient systems.
• Primary language: Kotlin (experience with Java, Go, or similar multithreaded backend languages is welcome)
• Cloud Platforms: AWS or GCP
• CI/CD for continuous integration and deployment

What We’re Looking For:

• 7+ years of backend engineering experience, with a strong background in multithreaded backend languages (Kotlin, Java, Go, Rust, etc.).
• Experience working in the HealthTech space
• Strong experience with PostgreSQL or similar relational databases.
• Proficient in system design, API development, and microservices architecture.
• Hands-on experience with cloud platforms (AWS, GCP), containerisation (Docker), and orchestration (Kubernetes).
• Experience in start-up environments is a plus, as the role will require you to be adaptable and work in a fast-paced, evolving setting.
• Excellent communication skills and the ability to collaborate effectively with both technical and non-technical teams.
• A passion for building scalable, secure, and maintainable systems.

Why Join?

• Competitive £120,000 salary with equity options.
• Fully remote role (UK-based candidates only).
• Opportunity to have a real impact on the product and the team from day one.
• Clear career progression, based on your aspirations.
• Join a mission-driven company that is transforming healthcare and positively impacting lives.

Interview Process:

The interview process will consist of the following stages:

• Intro Call: A brief conversation to discuss your background and the role in more detail.
• Take Home Task or Live Coding (Your Choice): You’ll complete a technical exercise to demonstrate your skills and approach to solving backend challenges.
• Systems Design Interview: A whiteboarding exercise to assess your ability to design scalable, robust backend systems.
• Final Interview with Co-Founders: An in-depth conversation to ensure you’re a great fit for the team and the company’s culture.