Senior Software Engineer (C#, .Net)

Date de publication :26 novembre 2025
Taux d'activité :80 – 100%
Type de contrat :Durée indéterminée
Salaire:CHF 110 000 - 130 000 /an
Langue :anglais (Courant)
Lieu de travail :Basel

Introduction

Keywords: C# .NET; Back-end; MS SQL / T-SQL; On-Prem Systems; Distributed Services; Secure Transaction Platforms
Location: Basel-City (on-site)
Salary: CHF 110'000 - 130'000 p.a., depending on seniority

A long-standing private bank in Basel is seeking a Senior Software Engineer to strengthen its technology team. The position focuses on backend development for a customer-facing digital interaction platform, central to the bank's secure online services. All systems run fully on-premises, relying on Microsoft SQL Server, T-SQL, and a modern .NET environment.

You will work closely with engineering leads and domain experts to ensure reliability, performance, and security across core banking processes.

À propos de cette offre

You will

Develop and enhance backend components and services using C# and .NET

Design and optimise data models, stored procedures, and queries on MS SQL Server

Contribute to the evolution of a high-availability digital client portal

Collaborate with cross-functional teams (architecture, security, operations)

Maintain integration points with internal systems and third-party services

Ensure code quality, testing discipline, and documentation standards

Support continuous improvement of internal engineering practices

You bring

Several years of professional experience in backend software development in financial services

Strong command of C#, .NET, and SQL Server (including T-SQL)

Background working with on-prem enterprise systems

Understanding of security and performance considerations in financial environments

English proficiency suitable for daily collaboration

This is an opportunity to join a stable and respected financial institution with a long-term perspective on technology and engineering excellence. If you see yourself contributing to robust, mission-critical backend systems, your application would be welcomed.