CareerPlan

Senior Software Engineer / Entwickler .net Zahlungsverkehrssysteme (m/w/d)

Frankfurt am Main, HESSENFull-time2026-11-03 → 2026-11-10
Hybrid

Core

Responsible for technical product maintenance and development of on-premise payment processing products for public sector, insurance, and banking clients across Europe.

Role type

Senior Software Engineer (.NET)

Builds

On-premise payment processing products and standards libraries

Domain

Financial services / Payment systems

Deliverable

production ML models | product features

Required skills

C#/.NET (Framework 3.5 to .NET 10), Relational databases (Oracle, MS SQL Server), Software architecture, Legacy modernization, Multi-targeting, CI/CD, Azure DevOps

Preferred skills

C++, Python, Rust, AI/LLM tools (Claude Code, Agentic Coding)

Technologies

Visual Studio, Azure DevOps, Docker, Kubernetes, RabbitMQ, Terraform, GCP, Claude Code, crewAI

Responsibilities

Analyze requirements and translate to technical concepts, Design and implement components, Develop and maintain multi-targeting libraries, Debug and fix issues in legacy code, Support customer operations and 3rd-level support, Create architectural designs and document technical decisions, Conduct code reviews and define quality standards, Build and maintain CI/CD pipelines

Seniority

Senior, hands-on IC