Senior Full Stack Engineer - Hybrid | .NET & Cloud

Harrington Starr; Belfast City District; Hybrid; GBP 70,000 - 110,000; Full time

Benefits offered by this job

Flexible hybrid working structure

Competitive salary and comprehensive/2

Job summary

Harrington Starr is partnering with a global technology organisation to hire a Senior Full Stack Engineer to join a growing engineering team in Belfast. You will design, build, and modernise enterprise-scale applications used across markets, contributing to technical strategy and best practices.

You'll work in a flexible hybrid environment, collaborating with Product, QA, and Engineering, and mentoring peers while delivering resilient software using C#/.NET, SQL Server, and cloud services such

Qualifications

• 5+ years of commercial C#/.NET development experience.
• Strong SQL Server and relational database knowledge.
• Experience with cloud platforms (Azure or AWS).
• Familiarity with APIs, CI/CD, and source control practices.
• Effective communication and stakeholder management.
• Experience in Agile software development environments.

Responsibilities

• Design, develop, and maintain scalable full-stack applications using .NET and modern frontend technologies.
• Build features and enhance enterprise products for performance and scalability.
• Collaborate with Product, QA, and Engineering throughout the software development lifecycle.
• Contribute to architectural decisions, code quality initiatives, and continuous improvement of engineering practices.
• Mentor engineers and drive technical excellence across the team.

Skills

Strong communication

Stakeholder management

Agile software development

Tools

Azure

AWS

SQL Server

CI/CD

Source control

Job description

Harrington Starr is partnering with a global technology organisation to hire a Senior Full Stack Engineer to join a growing engineering team in Belfast. You will design, build, and modernise enterprise-scale applications used across markets, contributing to technical strategy and best practices.

You'll work in a flexible hybrid environment, collaborating with Product, QA, and Engineering, and mentoring peers while delivering resilient software using C#/.NET, SQL Server, and cloud services such