Senior Full Stack Product Engineer

Zinc Work Limited; Greater London; On-site; GBP 70,000 - 80,000; Full time

Benefits offered by this job

24 days holiday + Bank Holidays + your birthday off

£1200 annual benefits allowance from month 2

Early finish Fridays (16:00)

Yearly company retreat abroad

30 days to work from anywhere

Enhanced Maternity, Paternity, and Adoption Leave

Statutory pension with NEST

Zinc shares through the EMI Scheme

Unlimited access to coaching + Spill therapy

Company socials and quarterly team socials

Nursery workplace benefit scheme

Option to lease an electric car

Job summary

Zinc Work Limited is seeking a Senior Full Stack Product Engineer to join our Tech - Engineering team in London. You will play a vital role in shaping our platform, building high-quality features while collaborating closely with Product and Design teams.

This role requires advanced full stack development skills, primarily with Node.js and modern frontend frameworks. We offer an attractive compensation package including benefits such as 24 days holiday and a £1200 annual benefits allowance.

Qualifications

• Advanced skills with Node.js, Express/Nest.js and frontend frameworks like Vue/Nuxt or React/Next.
• Deep expertise in JavaScript and TypeScript with production-grade applications.
• Experience with MongoDB and AWS services for cloud-native solutions.

Responsibilities

• Design and deliver scalable, high-impact solutions for thousands of customers.
• Lead technical challenges and support fellow engineers with knowledge sharing.
• Maintain and optimize systems to perform at their best.

Skills

Full Stack Development

TypeScript & JavaScript Mastery

System Design & Architecture

Database & Cloud

DevOps & CI/CD

Testing & Quality Assurance

Highly Collaborative

Product-Minded

Clear Communicator

Kind & Supportive

Job description

Senior Full Stack Product Engineer

Department: Tech - Engineering

Employment Type: Full Time

Location: Zinc - London

Reporting To: Rob Leonard

Compensation: £70,000 - £80,000 / year

Description

We are expanding our engineering team to boost our development capacity and take our product to the next level. As a Senior Full Stack Product Engineer, you’ll play a central role in shaping the technical direction of our platform, building high-quality features, influencing system architecture, and ensuring we deliver a product that’s efficient, robust, and a delight for thousands of customers to use.

You’ll work closely with Product, Design, and customers to deeply understand problems, translate them into elegant technical solutions, and help decide not only what we build but how we build it for long-term success.

Key Responsibilities

• Design and deliver high-impact solutions that are clean, scalable, and built to last, delighting thousands of customers.
• Work with Product, Design, and customers to define what we build and how we build it for long-term success.
• Maintain, optimise, and secure our systems so they perform at their best, even at scale.
• Lead the charge on tricky technical challenges, turning complex problems into elegant, maintainable solutions.
• Support and guide other engineers, sharing knowledge and raising the technical bar for the team.
• Keep up with new tools, trends, and best practices, helping us continuously evolve our stack and processes.
• Take full responsibility from initial idea to production, ensuring every detail delivers value to users.

Skills, Knowledge and Expertise

• Full Stack Development: Advanced skills with Node.js (Express/Nest.js) and modern frontend frameworks like Vue/Nuxt or React/Next, building smooth, scalable experiences end‑to‑end.
• TypeScript & JavaScript Mastery: Deep, hands‑on expertise delivering production‑grade applications using modern JS/TS best practices.
• System Design & Architecture: Proven ability to create scalable, maintainable, and high‑performance systems.
• Database & Cloud: Strong experience with MongoDB and AWS services (Lambda, S3, API Gateway) for robust, cloud‑native solutions.
• DevOps & CI/CD: Skilled at creating and managing pipelines, automated deployments, and infrastructure‑as‑code.
• Testing & Quality Assurance: Proficient with tools like Jest and Cypress to ensure quality, reliability, and confidence in every release.
• Highly Collaborative: Thrives in cross‑functional teams, working closely with engineers, designers, and product.
• Product‑Minded: Always focused on customer impact, thinking beyond code to how features improve the user experience and meet business goals.
• Clear Communicator: Able to explain technical decisions simply, provide constructive feedback, and make complex ideas accessible to all stakeholders.
• Kind & Supportive: Builds a positive, respectful team culture, lifting others up and working with humility and empathy.

What we offer

Zinc offers a chance to work on a product that brings a fresh perspective on data ownership in hiring.

• 24 days holiday + Bank Holidays + your birthday off
• £1200 annual benefits allowance from month 2
• Early finish Fridays (16:00)
• Yearly company retreat abroad
• 30 days to work from anywhere
• Enhanced Maternity, Paternity, and Adoption Leave (2 months full pay, then statutory)
• Statutory pension with NEST (3% employer, 5% employee)
• Zinc shares, issued through the EMI Scheme
• Unlimited access to coaching + Spill therapy
• Company socials, quarterly team socials, free Monday lunches
• Nursery workplace benefit scheme (Yellownest)
• Option to lease an electric car through Electric Car Scheme
• Celebrated Zinc anniversaries