Full-Stack Engineer - Shop/Ecosystem

black.ai; Greater London; On-site; GBP 60,000 - 80,000; Full time

Benefits offered by this job

Employee options program

Annual development budget

Private health insurance

25 days of holiday

Professional development leave

Vibrant office culture

Job summary

Eucalyptus is seeking a Senior Fullstack Engineer to join our Shop/Ecosystem squad in Greater London. You'll build impactful features and collaborate with cross-functional teams to enhance patient services through technology.

This role offers autonomy and ownership of feature lifecycles, working in a fast-paced, innovative environment. Enjoy hybrid working with flexible hours, and the opportunity to make a real difference in the healthcare sector.

Qualifications

• Strong React or frontend framework skills.
• Experience with backend development in Go, Node.js, or similar.
• Experience with distributed systems and fullstack skillset.
• Ability to work in fast-paced environments.

Responsibilities

• Build fullstack features using React + Go/Node.js.
• Collaborate with Data Science to design product-facing solutions.
• Implement scalable solutions across frontend and backend.
• Contribute to engineering best practices.
• Partner with product, design, and other teams to drive impact.

Skills

React or frontend framework skills

Backend development in Go or Node.js

Distributed systems knowledge

Collaboration across teams

Job description

Shape Juniper and our expanding product ecosystem with fullstack impact

The Shop/Ecosystem squad focuses on expanding Juniper into new product lines and areas of care, helping patients discover the right products and services at the right time. One of the squad’s most exciting initiatives will be a recommendations tool, working with Data Science to shape how patients interact across web and mobile.

The impact you will have

• Build fullstack features using React + Go/Node.js for Juniper and new product lines, shaping how these features work across web and mobile
• Collaborate with cross-functional teams, including Data Science, to design product‑facing solutions and make decisions on trade‑offs and integration
• Implement scalable, maintainable solutions across frontend and backend, including features for the mobile app
• Contribute to engineering best practices and help mentor other squad members
• Partner with product, design, and other teams to prioritize what drives real impact

Who succeeds here

• Have strong React or frontend framework skills
• Are experienced with backend development in Go, Node.js, or other languages
• Have experience with distributed systems and a balanced fullstack skillset
• Thrive in fast‑paced, iterative environments
• Can work on complex systems and collaborate effectively across multiple teams

Nice to haves

• Experience with React Native and mobile app development

This is a senior, high‑autonomy role where engineers get to own the lifecycle of features from design through delivery, working in a team that values experimentation, collaboration, and delivering real impact for patients. You’ll have the chance to work on Juniper and its expanding ecosystem, helping define engineering practices that will scale as the company grows.

Why join Eucalyptus?

Here’s what makes joining Euc unique:

• What’s next – Our goal for the next three years is to support 1 million patients globally to live better for longer. We’re launching into new conditions, demographics, and geographies as we build a truly preventive healthcare ecosystem.
• Build something world‑changing – We’re on the path to becoming the world’s largest international digital healthcare company. It will be challenging, fast‑paced, and deeply rewarding.
• Make real impact – You will deliver work that directly shapes patient outcomes and scales evidence‑based care across markets.
• Accelerate your growth – You will have high ownership, continuous feedback, and dedicated development support.
• Join a motivated team – You will collaborate with talented peers to solve complex clinical and operational problems at scale.

What’s ahead in the UK

• Be an owner – Your own stake in the business with our employee options program
• Invest in your growth – Annual development budget plus 3 days of professional development leave
• Work flexibly – Hybrid setup with 3 days a week in our Old Street office, designed for focus and collaboration
• Support your well‑being – Private health insurance through Vitality or opt for a monthly wellness allowance to spend on what matters most to you
• Take time off – 25 days of holiday, enhanced parental leave and work from anywhere 3 weeks out of the year
• Join a connected team – A vibrant office culture with regular socials, clubs, after‑school sport, and seasonal events

At Eucalyptus, we value individuals from all backgrounds, experiences, and perspectives, and we embrace the unique qualities each person brings. When you apply, please let us know of any reasonable adjustments you may need during the interview process.