Hypofriend GmbH
Senior Ruby Backend Engineer with affinity for observability (d/w/m)
Full-time4-5 yrsBerlinNot disclosedApply by 13 Oct 2026
Overview
Hypofriend has helped thousands of customers navigate the difficult journey of buying a home. Our online platform helps customers from calculating their affordability to getting matched to relevant properties to calculating and processing the optimal mortgage. As a Senior Backend Engineer with an affinity for observability, you would be supporting both a customer-facing and an advisor-facing produ
What you'll do
- Hypofriend has helped thousands of customers navigate the difficult journey of buying a home.
- Our online platform helps customers from calculating their affordability to getting matched to relevant properties to calculating and processing the optimal mortgage.
- As a Senior Backend Engineer with an affinity for observability, you would be supporting both a customer-facing and an advisor-facing product that run on Vue.js, GraphQL, and Ruby on Rails, powered by AWS.
- Our customer-facing products include complex calculators wrapped in a simple UI, with a powerful calculation engine that takes thousands of mortgage products and optimizes them for our customers.
- Our advisor-facing products include a fully-fledged back-office that ensures customer interactions over email, chat, and telephone, as well as the processing and handling of mortgage applications and financial documents, are reliable, efficient, and secure.
- You'll help ensure our calculation engines, back-office tools, and customer-facing platform become more resilient and secure as we grow.
- Tasks ๐ช๐ฝ Individuals who like getting things done ๐ฌ Excellent communication skills, able to work closely with backend engineers and product teams ๐ Eagerness to understand the systems end-to-end, from application code to the infrastructure it runs on ๐ง Someone who is as comfortable writing infrastructure-as-code as they are debugging a production incident ๐ A pragmatic approach to reliability, building the right amount of resilience, focussing on the key building blocks and clean architecture Our technology stack โ๏ธ Backend Ruby 4.0 (Rails 8.1) PostgreSQL 16 Serverless Ruby, Node.JS, Python ๐๏ธ Frontend Vue.js 3 CSS3 (flex & friends) ๐ท๐ฝ Infrastructure AWS: ECS, Lambda, RDS, CloudFront Terraform for infrastructure-as-code CI/CD pipelines ๐ Testing & Reliability RSpec Monitoring & alerting tooling Requirements Strong commercial experience with Ruby (min 4-5 years), ideally including Ruby on Rails 7/8 RSpec experience Good grasp of OO patterns Sentry , GitHub and Datadog are your best friends Hands-on production experience with Terraform for infrastructure-as-code Working knowledge of AWS (ECS, Lambda, RDS, CloudFront, VPC networking, IAM) Experience building and maintaining CI/CD pipelines Solid understanding of observability : monitoring, logging, and alerting Experience with containerization (Dock.
Requirements
- Practical experience with Engineering.
- Experience level: 4-5 yrs.
- Strong written and verbal communication in English.
- Comfortable working on-site in Berlin.
Skills
Engineering