Backend Engineer (Kotlin/Java) for Fintech Platform

Methodfi; Greater London; On-site; GBP 60,000 - 80,000; Full time

Job summary

A financial technology company in Greater London is seeking a Backend Engineer to join their team. In this role, you will be responsible for maintaining and evolving mission-critical backend services that power their ecosystem. The ideal candidate has over 5 years of experience in backend engineering with expertise in Java or Kotlin, strong debugging skills, and a commitment to clean code practices. You will thrive in a dynamic environment, collaborating across teams while delivering high-quality code.

Benefits

Continuous learning opportunities

Supportive community

Comprehensive benefits

Qualifications

• At least 5+ years of Backend Engineering experience.
• Proven hands-on experience (3+ years) in production systems with Java or Kotlin.
• Strong knowledge of RDBMS with experience in transactions and optimization.

Responsibilities

• Maintain and evolve backend services in real production systems.
• Ensure high code quality through clean code practices and testing.
• Take ownership of features from design through deployment.

Skills

Backend Engineering experience

Production systems experience with Java or Kotlin

Strong debugging and communication skills

RDBMS knowledge

Clean code practices

Distributed systems experience

Monitoring tools

AWS services knowledge

REST APIs experience

Fluent in English

Tools

Spring Boot

JUnit

Grafana

Docker

Kubernetes

Job description

A financial technology company in Greater London is seeking a Backend Engineer to join their team. In this role, you will be responsible for maintaining and evolving mission-critical backend services that power their ecosystem. The ideal candidate has over 5 years of experience in backend engineering with expertise in Java or Kotlin, strong debugging skills, and a commitment to clean code practices. You will thrive in a dynamic environment, collaborating across teams while delivering high-quality code.