Backend Engineer

Blink group; City of London; On-site; GBP 55,000 - 75,000; Full time

Job summary

A technology company in the UK is seeking a Backend Engineer to enhance their platform's backend infrastructure. You will be developing solutions with Scala while collaborating with cross-functional teams. The ideal candidate has 3+ years of experience working with JVM languages and is passionate about scalable systems. The role offers competitive salary and additional benefits in a supportive working environment.

Benefits

Competitive salary and equity allocations

Private health insurance

Learning & development focus

Private healthcare

Pension scheme

Qualifications

• 3+ years of experience working with any JVM language, preferably Scala.
• Strong understanding of SQL and relational database concepts.
• Excellent collaborative skills for building cross-functional relationships.

Responsibilities

• Develop technical solutions to solve user problems.
• Produce well-documented, maintainable code.
• Debug issues and improve application performance.
• Support customer-facing teams with backend support.

Skills

Experience with any JVM language

Passion for scalable systems

Understanding of SQL and relational databases

Knowledge of transport protocols (REST, gRPC, WebSockets)

Collaborative skills

Process improvement mindset

Tools

Scala

AWS

Aurora MySQL

Kafka

Job description

Overview

Blink is an employee app for frontline workers, with industry-leading engagement and a DAU of 99%. We're dedicated to scaling our platform through precision, automation, and innovation. As part of a world-class engineering team, you'll play a key role in shaping the future of how we support frontline workers.

As a Backend Engineer, you will work within a cross-functional squad alongside developers, designers, and product managers to build and enhance our platform's backend infrastructure. Your work will directly impact thousands of frontline workers, providing them with essential tools for their day-to-day activities. You will be responsible for designing, building, testing, and launching new product features on top of our backend stack, ensuring the platform remains scalable, reliable, and easy to maintain.

What you'll be doing

• Design and Build Solutions: Develop technical solutions to solve real-world user problems by building new functionality on top of Blink's existing backend stack, which includes Scala, Akka, AWS, Aurora MySQL, GitOps, Kafka, and more
• Write Clean, Maintainable Code: Produce well-documented, testable, and maintainable code, ensuring it is easy to read and modify while supporting rapid iteration and continuous delivery
• Collaborate and Share Knowledge: Work closely with other engineers, teaching best practices and contributing to the future direction of our backend stack. You will also refine our development tooling and processes to enhance efficiency
• Debug and Optimise: Debug issues, fix bugs, and continuously improve application performance to ensure a seamless experience for users
• Support Cross-Functional Teams: Assist customer-facing teams by providing backend support for requests such as statistics or data analysis, ensuring they have the information they need to assist users

About you

• 3+ years of experience working with any JVM language (we use Scala)
• A passion for working with globally distributed, scalable systems
• Experience or a solid understanding of SQL and relational database concepts
• A strong understanding of transport protocols, including RESTful concepts, gRPC, and WebSockets
• A self-starter attitude, eager to learn and thrive in a high-functioning team
• A solution-focused mindset, committed to helping customers and teams find answers to their challenges
• Excellent collaborative skills, able to build strong cross-functional relationships
• A process improvement mindset, with a keen ability to identify and implement improvements in a rapidly scaling environment

What we offer

• Competitive salary and equity allocations with significant upside potential
• Private health insurance
• A quirky, spacious, natural light-filled office in London
• Learning & development focus, plus mentorship options. We'll do everything we can to get you to the top of your game
• The ability for you to grow, learn, and solve a variety of challenges, working in a supportive environment with smart people
• Private healthcare, Ride2Work, pension scheme

At Blink, we're committed to creating an inclusive and diverse culture where our people feel they truly belong. We value and respect individual differences, so all applications will receive fair and equal consideration without regard to ethnicity, religion, gender, gender identity or expression, sexual orientation, nationality, disability or age.