Fullstack Product Engineer in London

We are expanding our engineering team to boost our development capacity and take our product to the next level. As a Fullstack Product Engineer, you'll play a hands-on role in building high-quality features across our platform, contributing to technical decisions, and helping us deliver a product that's efficient, robust, and a delight for thousands of customers to use. You'll work closely with Product, Design, and more senior engineers to understand problems deeply, translate them into well-crafted solutions, and grow your ability to shape how we build for long-term success.

Key Responsibilities

• Building powerful features – Design and deliver high-impact solutions that are clean, scalable, and built to last, delighting thousands of customers.
• Contributing to the big picture – Collaborate with Product, Design, and the wider engineering team to understand what we're building and why, and bring thoughtful input to technical decisions.
• Keeping things running smoothly – Help maintain, optimise, and secure our systems so they perform at their best, even at scale.
• Problem-solving like a pro – Tackle tricky technical challenges with support from the team, building your ability to turn complex problems into elegant, maintainable solutions.
• Growing and sharing – Learn from senior engineers around you, share what you know, and contribute to a team culture of continuous improvement.
• Staying ahead of the game – Keep up with new tools, trends, and best practices, and bring fresh ideas to how we evolve our stack and processes.
• Owning your work end-to-end – Take responsibility for features from initial idea to production, making sure every detail delivers value to users.

Skills, Knowledge and Expertise

• Hard skills
• Full Stack Development – Solid working experience with Node.js (Express/Nest.js) and modern frontend frameworks like Vue/Nuxt or React/Next, building reliable experiences end-to-end.
• TypeScript & JavaScript – Good hands-on experience delivering production applications using modern JS/TS practices, with a desire to deepen your expertise.
• System Design – An understanding of how to build scalable, maintainable systems, and an eagerness to develop stronger architectural instincts over time.
• Database & Cloud – Working familiarity with MongoDB and AWS services (Lambda, S3, API Gateway), comfortable building and shipping cloud-native features.
• DevOps & CI/CD – Some experience with deployment pipelines and automated processes, with appetite to grow your infrastructure skills.
• Testing & Quality Assurance – Comfortable writing tests using tools like Jest and Cypress to ship with confidence.
• Soft skills
• Highly Collaborative – Works well in cross-functional teams alongside engineers, designers, and product, and actively contributes to a positive team dynamic.
• Product-Minded – Thinks beyond the code, staying curious about how features improve the user experience and serve broader business goals.
• Clear Communicator – Can explain technical thinking clearly, ask good questions, and engage constructively with feedback.
• Kind & Supportive – Contributes to a respectful, inclusive team culture and brings a collaborative, humble attitude to their work.

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 (ThanksBen, 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 MoreHappi coaching.
• 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.