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Back End Engineer

Job Overview

Location

Job Type

Full-time

Category

Software Engineering

Date Posted

January 8, 2026

Full Job Description

đź“‹ Description

  • • Architect and evolve the core Ruby on Rails API that powers Codekeeper’s next-generation software-escrow platform, ensuring every line of code you write is secure, performant, and ready to scale from hundreds to millions of transactions.
  • • Own the end-to-end lifecycle of new product features—from white-boarding and schema design to deployment and post-release monitoring—while collaborating daily with front-end engineers who rely on your GraphQL/REST endpoints to deliver pixel-perfect React interfaces.
  • • Champion test-driven development by writing RSpec and Minitest suites that keep our test coverage above 90 %, enabling continuous deployment multiple times a day without fear of regressions.
  • • Optimize PostgreSQL queries and design data models that balance normalization with read performance, ensuring sub-100 ms response times for critical escrow verification workflows.
  • • Leverage AWS primitives (EC2, RDS, S3, Lambda, SQS) to build fault-tolerant, auto-scaling infrastructure; you will script infrastructure as code with Terraform and automate CI/CD pipelines via GitHub Actions.
  • • Collaborate in agile, two-week sprints where retros, pair programming, and code reviews are the norm; expect to both mentor junior developers and be mentored by senior architects in a culture of radical candor.
  • • Contribute to architectural decisions on service extraction, event-driven design, and eventual migration to a micro-service mesh as we grow beyond our monolithic Rails app.
  • • Build and maintain secure, versioned APIs that integrate with third-party SaaS marketplaces, legal-tech partners, and enterprise identity providers (SAML, OAuth 2.0).
  • • Instrument everything—Datadog dashboards, custom metrics, and distributed tracing—so that performance anomalies are caught before customers notice.
  • • Participate in rotating on-call duties with a blameless post-mortem culture; we ship resilient software, but when things break we learn together and improve.
  • • Shape product direction by translating customer feedback from our Customer Success team into actionable engineering tasks, ensuring that every feature solves real escrow pain points.
  • • Keep security at the forefront: conduct threat modeling, dependency scanning, and regular penetration-test remediation to protect the source-code assets entrusted to us.
  • • Experiment fearlessly: prototype new ideas in Python or Node.js micro-services when Ruby isn’t the best tool, then bring learnings back to the team.
  • • Foster a remote-first culture across time zones (CET ±3) through concise documentation, recorded demos, and asynchronous stand-ups that respect deep-work hours.
  • • Celebrate wins together—whether it’s shipping a major release, shaving 50 % off an endpoint’s latency, or simply sharing a clever refactoring during Friday lightning talks.

🎯 Requirements

  • • 3+ years of professional experience building production-grade APIs with Ruby on Rails
  • • Demonstrated expertise in AWS cloud services and infrastructure-as-code (Terraform or CloudFormation)
  • • Solid grasp of relational databases (PostgreSQL) including indexing, query optimization, and migrations
  • • Experience writing automated tests (RSpec, Minitest, or similar) and maintaining CI/CD pipelines
  • • Nice-to-have: working knowledge of React front-end patterns and TypeScript

🏖️ Benefits

  • • Fully remote-first culture with flexible hours and a results-only work environment
  • • Annual learning & conference budget of €2,500 plus paid time off for professional development
  • • Quarterly team off-sites in The Hague (all expenses covered) to foster connection and creativity
  • • Stock option plan that aligns your success with the long-term growth of Codekeeper

Skills & Technologies

Python
JavaScript
Ruby
React
Node.js
Remote

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About Codekeeper

Codekeeper provides comprehensive software escrow solutions designed to ensure business continuity and regulatory compliance for organizations. Specializing in Software, SaaS, Continuity, and AI Escrow, Codekeeper securely stores critical application source code, complete SaaS environments, and full-stack AI components. Their services help businesses eliminate software risk, meet stringent compliance requirements like DORA and NIS2, and deliver certified proof of system resilience. Codekeeper serves a diverse clientele, including compliance officers, legal advisors, and tech teams, by offering audit-ready solutions that protect intellectual property and guarantee uninterrupted software availability. With over a decade of experience protecting critical software, Codekeeper is ISO 27001 certified, providing a trusted framework for operational resilience.

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