Senior Ruby Backend Engineer with affinity for observability (d/w/m)
Hypofriend GmbH
Senior Ruby Backend Engineer with affinity for observability (d/w/m) at Hypofriend GmbH is a full time role based in Berlin, State of Berlin, Germany. Listed skills: Engineering. It was published on 14 August 2026 and was open at last check.
| Role | Senior Ruby Backend Engineer with affinity for observability (d/w/m) |
|---|---|
| Company | Hypofriend GmbH |
| Location | Berlin, State of Berlin, Germany |
| Employment type | Full Time |
| Skills listed | Engineering |
| Published | 14 August 2026 |
| Status | Open at last check |
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
💪🏽 Individuals who like getting things done
💬 Excellent communication skills, able to work closely with backend engineers and product teams
🔍 Eagerness to understand the systems end-to-end, from application code to the infrastructure it runs on
🔧 Someone who is as comfortable writing infrastructure-as-code as they are debugging a production incident
📈 A pragmatic approach to reliability — building the right amount of resilience, focussing on the key building blocks and clean architecture
Our technology stack
⚙️ Backend
- Ruby 4.0 (Rails 8.1)
- PostgreSQL 16
- Serverless Ruby, Node.JS, Python
🖌️ Frontend
- Vue.js 3
- CSS3 (flex & friends)
👷🏽 Infrastructure
- AWS: ECS, Lambda, RDS, CloudFront
- Terraform for infrastructure-as-code
- CI/CD pipelines
🔍 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 (Docker, ECS or Kubernetes)
- Comfort with incident response: on-call rotations, postmortems, and root-cause analysis
- Good grasp of RDBMS operations (PostgreSQL 16+) — backups, performance tuning, failover
- A security-first mindset: familiarity with secrets management, least-privilege access, and cloud security best practices
Nice to have
- Experience with serverless Ruby, Node.JS architectures
- Familiarity with GitHub Actions
- Experience defining and tracking SLIs/SLOs/error budgets
- Scripting/automation experience beyond Ruby (Bash, Python)
- Prior experience in a regulated industry (fintech, proptech, or similar)
Benefits
What can Hypofriend offer you?
👪 A young, motivated, and interdisciplinary team with years of experience building successful digital products
🏠 Work up to 100% from home, with occasional meetings and off-sites near our Berlin Headquarters
💥 In addition to an attractive fixed salary, you get the exciting opportunity to improve the German mortgage industry and be at the forefront of new and innovative practices
📈 Stock options in a growing company
💰 An 1,500 annual euro Learning budget
💼 As a young and rapidly growing company you have an excellent career perspective
💻 Latest Macbook and equipment to work from home
🏃🏼♂️ Urban Sports Membership
📍 A unique 3-story office at Rosenthaler Platz
🏡 Full support to become a homeowner
Create your free OnJob profile to apply — we'll take you to Hypofriend GmbH's application after sign-up. · Posted 14 Aug 2026.
Senior Ruby Backend Engineer with affinity for observability (d/w/m) at Hypofriend GmbH — questions answered
What does the Senior Ruby Backend Engineer with affinity for observability (d/w/m) role at Hypofriend GmbH pay?
Hypofriend GmbH does not publish a salary on this Senior Ruby Backend Engineer with affinity for observability (d/w/m) listing, so OnJob shows no figure for it rather than an estimate. For what this role pays across the market, the OnJob salary guides aggregate the live listings that do disclose pay.
Where is the Senior Ruby Backend Engineer with affinity for observability (d/w/m) role at Hypofriend GmbH based?
Hypofriend GmbH lists this Senior Ruby Backend Engineer with affinity for observability (d/w/m) role in Berlin, State of Berlin, Germany, advertised as full time work at that location. Larger employers sometimes cover several sites under one city name, so confirm the exact office with Hypofriend GmbH before you apply.
What skills does the Senior Ruby Backend Engineer with affinity for observability (d/w/m) role at Hypofriend GmbH require?
The Senior Ruby Backend Engineer with affinity for observability (d/w/m) at Hypofriend GmbH listing names Engineering. Those are the skills the employer put on the posting itself, so they are the ones worth matching in your profile and covering first in an interview.
Is the Senior Ruby Backend Engineer with affinity for observability (d/w/m) role at Hypofriend GmbH still open?
The Senior Ruby Backend Engineer with affinity for observability (d/w/m) posting at Hypofriend GmbH was open at OnJob's last check of the employer's careers page, having been published on 14 August 2026. OnJob re-checks source listings on each build and marks a role closed once it disappears, but listings can close without notice, so the employer's own page is the final word.
How do you apply for the Senior Ruby Backend Engineer with affinity for observability (d/w/m) role at Hypofriend GmbH?
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