Senior Backend Engineer (Kotlin/Golang/GCP)

Senior Backend Engineer (Kotlin/Golang/GCP)

Posted 6 days ago by TechNET IT Recruitment Limited

£500 Per day
Outside
Remote
United Kingdom

Summary: An established consumer-facing technology business is seeking a Senior Backend Engineer with expertise in Kotlin and Golang to enhance high-scale Back End services for a large international user base. The role involves designing, building, and improving reliable Back End services in a fast-paced, product-focused environment. Candidates should be comfortable with autonomy and transitioning from legacy systems to modern, cloud-native services. This position is remote-first with occasional office visits in London and is classified as outside IR35.

Key Responsibilities:

  • Design, build, and improve reliable Back End services.
  • Collaborate closely with product, mobile, platform, and engineering teams.
  • Translate ambiguous requirements into clear technical direction.
  • Lead technical work from discovery through delivery.

Key Skills:

  • Strong Back End engineering experience with Kotlin.
  • Hands-on experience with Google Cloud Platform.
  • Background in scalable, production-grade systems.
  • Experience in consumer-facing, mobile-first, or high-traffic product environments.
  • Strong communication and ownership mindset.
  • PHP exposure, especially within Legacy or hybrid environments.
  • Golang exposure.
  • Experience supporting Legacy-to-modern platform transitions.
  • Cloud architecture, observability, reliability, and cost optimisation.
  • Mentoring or helping teams adopt modern Back End practices.

Salary (Rate): £500 per day

City: undetermined

Country: United Kingdom

Working Arrangements: remote

IR35 Status: outside IR35

Seniority Level: Senior

Industry: IT

Detailed Description From Employer:

Senior Backend Engineer | Kotlin/Golang/GCP

6-month contract | Outside IR35

Remote First - Occasional London based office visits

Up to £500 per day

An established consumer-facing technology business is looking for a Senior Backend Engineer to support the continued evolution of high-scale Back End services used by a large international user base.

This role would suit an experienced contractor who is comfortable working in Kotlin-heavy Back End environments, can operate with autonomy, and is confident helping teams move from Legacy systems toward more modern, cloud-native services.

The role

You will be involved in designing, building, and improving reliable Back End services, working closely with product, mobile, platform, and engineering teams. The environment is fast-moving, product-focused, and requires someone who can turn ambiguous requirements into clear technical direction.

Key experience

  • Strong Back End engineering experience with Kotlin
  • Hands-on experience with Google Cloud Platform
  • Background in scalable, production-grade systems
  • Experience in consumer-facing, mobile-first, or high-traffic product environments
  • Ability to lead technical work from discovery through delivery
  • Strong communication and ownership mindset

Useful additional experience

  • PHP exposure, especially within Legacy or hybrid environments
  • Golang exposure
  • Experience supporting Legacy-to-modern platform transitions
  • Cloud architecture, observability, reliability, and cost optimisation
  • Mentoring or helping teams adopt modern Back End practices