Senior Backend Engineer (Kotlin)

Location: Remote exclusively for current UK residents; Engineering team based in London

Company

hirify.global develops a research platform that solves problems for internal and external customers.

What you will do

• Define technical solutions to business problems and contribute to a scalable architectural vision.
• Build and ship backend services using Kotlin microservices and Postgres, with some legacy Ruby on Rails services.
• Deploy frequently through CI/CD with CircleCI and Spinnaker, using customer feedback to guide iterations.
• Own the development and operation of team-managed services in alignment with the engineering strategy.
• Monitor services, diagnose root causes, and deploy fixes before users are affected.
• Collaborate with product managers, designers, and business stakeholders while mentoring junior engineers.

Requirements

• Current UK residency is required.
• Visa sponsorship is not available.
• At least 5 years of experience working at a similar level in a mature engineering team.
• Technical expertise in at least one programming language, such as Python, Kotlin, or Ruby.
• Experience with relational databases is preferred.
• A STEM degree is typical, though equivalent practical experience is accepted.

Culture & Benefits

• Cross-functional collaboration with product managers, designers, and business teams.
• High-performance engineering environment with experienced colleagues.
• Learning and development budget for targeted technical competency development.
• Frequent releases and rapid feedback cycles.