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Backend Software Engineer (Mid-Level)The Keyholding CompanyLondon, England, United Kingdom
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Backend Software Engineer (Mid-Level)

The Keyholding Company
  • GB
    London, England, United Kingdom
  • GB
    London, England, United Kingdom
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Backend Software Engineer (Mid-Level)
role at
The Keyholding Company
Overview We are a digitally transformed, tech-enabled security services company. We’re looking for an experienced backend software engineer to join our small but ambitious technology team, thriving in a dynamic, startup‑paced environment.
We’re proud of what we’ve achieved so far and need talented engineers to grow smoothly. This role offers an opportunity to support our innovative products and expand our existing platform by breaking it down into smaller flexible services.
What You Get
Excellent salary of £55k‑£59k per annum (DOE)
Full‑time, permanent, flexible working basis with the ability to work from home but must travel to our London Farringdon HQ twice a month for TKC Collaboration days or as/when required
Internal training and development opportunities, all in an excellent working environment
Personalised career development plans through our My TKC Journey initiative
Auto‑enrolment into our salary sacrifice pension scheme, 24/7 confidential Employee Assistance Program, and a voluntary health cash scheme starting at £1 per week
Regular social events, monthly team days, and an exercise club to keep you connected and active
Fast‑paced and exciting role, no two days are ever the same!
What You'll Be Doing Creating new services to support our product family Contributing to design and architecture discussions
Writing well‑designed, testable, metrics‑driven code
Writing automated tests to ensure product quality
Transforming our existing platform into a new event‑driven microservices architecture
Discovering and trialling new tools to introduce to the company to grow the Agile development environment
Utilizing cloud technologies to confirmé? Wait doc?) .
What We're Working With
Programming Languages: Python, Kotlin, Terraform, Java, JavaScript (Node), TypescriptDatabases: Aurora, Postgres, Snowflake
Infrastructure: AWS, Docker, Kubernetes
Other technologies: Kafka, GitHub Actions, Jenkins, Datadog
What We're Looking For
You’re great at leveraging modern development techniques to create back‑end solutions
You’re ambitious and looking to advance your career
Experience working in an Agile, fast-paced, DevOps environment
Experience working with cloud-native technologies, specifically with AWS
3+ years proven commercial experience as a software developer or a similar role
Experience using Python or Kotlin – JavaScript, Java, or another modern language is a bonus
Equity, Diversity and Inclusion matter to us. We are keen to hear from candidates from a broad range of backgrounds and experiences and are excited about learning from you, as much as we know you can learn from us.
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  • London, England, United Kingdom

Languages

  • English
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