Backend Engineer Job at Copper.co (London)

Backend Engineer

Copper.co

Location:
United Kingdom , London

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Not provided

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Job Description:

We are looking for a skilled Backend Engineer to join our Core team. This team is responsible for building and maintaining the foundational microservices that power critical parts of our platform, including authorisation, invoicing, notifications, and user management. As a Backend Engineer on this team, you'll be working on systems that directly support and secure the entire product ecosystem. Your work will be central to enabling internal teams and delivering seamless, secure experiences to our users.

Job Responsibility:

Design, build, and maintain scalable and reliable backend services in a microservices architecture
Write clean, well-tested, and maintainable code
Collaborate with product managers, front end engineers and QA engineers on new features
Participate in code reviews, testing, and debugging to maintain quality of our products
Ensure high availability, performance, and security of the services you own
Support and solve problems from clients and stakeholders

Requirements:

Experience building software with a JVM language: Scala, Kotlin, or Java
Familiarity with relational databases such as PostgreSQL
Strong understanding of REST APIs
An understanding of the critical importance of testing, well-versed and able to build automated tests of server-side code
Excellent communication skills. Able to formulate well defined questions and appropriately articulate ideas, problems, and solutions to various stakeholder groups
Capacity to adapt in a fast changing environment and being able to work with elements of a tech stack that you haven’t faced before

Nice to have:

Experience working within microservice based architecture
Possessing an understanding of distributed systems

What we offer:

Paid Time Off - A minimum of 35 days of paid time off per year, inclusive of annual leave and public holidays. Employees also receive one additional day of annual leave for each year of service
Comprehensive Medical Insurance - Inclusive of dental, optical, audiology, and mental health coverage, with medical history disregarded
Life Insurance
Enhanced Pension Contributions - Includes an enhanced employer matching contribution
24/7 Employee Assistance Programme (EAP)

Additional Information:

Job Posted:
January 07, 2026

Employment Type:

Fulltime

Work Type:

Hybrid work

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