Senior Software Engineer

UK💼 Full-time💰 $65,000–$75,000🗓 2026-08-01 → 2026-09-26

Core

Design, build, test, and refactor complex, loosely coupled backend services and database systems in C#/.NET while driving architectural decisions and platform modernization.

Role type

Senior Backend Engineer (IC)

Builds

Backend services, database systems, and containerized serverless workloads

Domain

CPaaS, Cloud Infrastructure, Distributed Systems

Deliverable

production ML models | product features | infrastructure

Required skills

C#/.NET, Distributed Systems, SQL, Unit & Integration Testing, CI/CD, Azure, Git, AI Coding Assistants

Preferred skills

.NET 10, Bicep/Terraform, Serverless/Containerized Infrastructure, Angular, High-throughput messaging

Technologies

C#, .NET, Azure, SQL, Git, Bicep, Terraform, Angular

Responsibilities

Design and build backend services and database systems; Migrate serverless workloads to containerized services; Lead code reviews and mentor engineers; Collaborate with Product Owners on acceptance criteria; Build and improve CI/CD pipelines and observability; Evaluate design trade-offs and manage technical debt.

Seniority

Senior, hands-on IC with mentorship responsibilities

Sourced via codingjobboard · Listed on CareerPlan, which tracks 70,000+ jobs from 20+ sources.

About Commify

Commify is the umbrella brand for a portfolio of business messaging companies. In the German market, the two active brands are Esendex and Spryng. While customers interact with these brands directly, both operate under the Commify group and benefit from its shared technology, expertise, and resources. Therefore, the role supports and collaborates with both Esendex and Spryng, reflecting Commify’s unified approach to serving the German market.