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Senior Backend Developer (m/w/d)

Berg Fidel, Münster🌐 Remote💼 Full-time🗓 2026-05-12 → 2026-08-07

Core

Designing IT and product architectures for individual software solutions and building interfaces to external systems for the financial services sector.

Role type

Senior Backend Developer (Ruby on Rails)

Builds

Innovative, high-quality software solutions and APIs for financial institutions.

Domain

Financial services / Fintech

Deliverable

production ML models | product features | infrastructure

Required skills

Ruby on Rails, REST APIs, TDD, Git-flow, CI/CD, UNIX (Linux/macOS), HTML/CSS/JavaScript

Preferred skills

Agile methodologies (Scrum/Kanban), API versioning, application virtualization platforms

Technologies

Ruby on Rails, UNIX, Linux, macOS, HTML, CSS, JavaScript, REST

Responsibilities

Designing IT and product architectures, building interfaces to external systems, deploying software via CI/CD, maintaining and optimizing existing systems for performance and stability, acting as technical contact for projects, estimating technical effort.

Seniority

Senior, hands-on IC

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