Senior Product Engineer (£91k-£101k + Equity) at Yonder

Jack & Jill/External ATS; Greater London; On-site; GBP 91,000 - 102,000; Full time

Job summary

A fintech company in London is seeking a Senior Product Engineer (Backend) to develop backend services and enhance the customer experience. The ideal candidate will have expert-level skills in Scala and experience with cloud environments like GCP. You will contribute to building microservices and ensuring seamless integration with external partners. This opportunity is part of a rapidly expanding mission following significant funding, emphasizing a high-ownership culture and impactful work.

Qualifications

• Expert-level proficiency in Scala with a deep understanding of functional programming.
• Experience building and operating distributed microservices in cloud environments.
• A product-first mindset that prioritizes solving customer problems.

Responsibilities

• Build and scale production-grade microservices using Scala and Kafka.
• Design resilient, event-driven architectures and RESTful APIs.
• Manage and optimize containerized workloads using Docker and Kubernetes.

Skills

Proficiency in Scala

Understanding of functional programming patterns

Experience with Kafka

Knowledge of Docker

Experience with Kubernetes

Tools

GCP

Kafka

Docker

Kubernetes

Job description

Senior Product Engineer (Backend)

Salary: £91,211 - £101,381 + Equity

Company Description: Yonder - VC-backed fintech building the future of financial memberships

Job Description: Join Yonder to redefine consumer finance by building a seamless membership experience that combines credit, rewards, and lifestyle. As a Senior Product Engineer, you will own the end-to-end development of backend services in Scala, managing everything from core banking systems to global flight rewards, while shaping the engineering culture of a fast‑growing startup.

Location: London, UK

Why this role is remarkable

• Impact a rapidly scaling product that customers actually love, evidenced by a 4.5 TrustPilot rating and unique features like Yonder Flights.
• Work within a high‑ownership engineering culture where you manage the full lifecycle, from distributed system architecture to cloud infrastructure on GCP.
• Join a well‑capitalized mission following a £23.4M funding round in September 2024 to fuel international expansion and product innovation.

What you will do

• Build and scale production‑grade microservices using Scala and Kafka to power real‑time payments and rewards.
• Design resilient, event‑driven architectures and RESTful APIs that integrate with internal systems and external lifestyle partners.
• Manage and optimize containerized workloads using Docker and Kubernetes, ensuring high availability and performance across the stack.

The ideal candidate

• Expert‑level proficiency in Scala with a deep understanding of functional programming patterns and event‑driven architectures like Kafka.
• Extensive experience building and operating distributed microservices within cloud environments, specifically GCP and Kubernetes.
• A product‑first mindset that prioritizes solving customer problems and delivering business value over technical perfection in isolated silos.