OpenNash Jobs
Gallagher · Colombo, Sri Lanka

Senior Software Engineer - .Net + React.js + Azure

Colombo, Sri LankaFull-timeSenior individual contributorSoftware Engineering

Listed on Gallagher’s official careers site. Posted October 6, 2026. Check that it is still open and apply there.

Apply on Gallagher’s careers site →

Job description

Introduction At Gallagher, we help clients face risk with confidence because we believe that when businesses are protected, they’re free to grow, lead, and innovate.

You’ll be backed by our digital ecosystem

a client-centric suite of consulting tools making it easier for you to meet your clients where they want to be met. Advanced data and analytics providing a comprehensive overview of the risk landscape is at your fingertips. Here, you’re not just improving clients' risk profiles, you’re building trust. You’ll find a culture grounded in teamwork, guided by integrity, and fueled by a shared commitment to do the right thing.

We value curiosity, celebrate new ideas, and empower you to take ownership of your career while making a meaningful impact for the businesses we serve. If you’re ready to bring your unique perspective to a place where your work truly matters; think of Gallagher.

Overview

You’ll join as a Senior Software Engineer with 5 years’ professional software development experience, working across .NET, React.js, SQL Server and Microsoft Azure. You’ll contribute through the full software development life cycle, from requirements and design through to development, testing, deployment and support, and you’ll also work with OutSystems where needed. How you'll make an impact Design, build, test and maintain scalable web applications using .NET and React.js.

Develop and optimise database solutions using Microsoft SQL Server. Take part in requirements gathering, design, development, testing, deployment and support activities across the SDLC. Work closely with product owners, business analysts, QA engineers and other developers to deliver quality solutions. Support cloud-based application development and deployment using Microsoft Azure. Carry out code reviews and help maintain coding standards and best practice.

Troubleshoot and resolve application defects and performance issues. Contribute to continuous improvement and support agile delivery teams. Learn and work with OutSystems where required as part of project delivery. About you 5 years’ experience in software engineering or application development. Hands-on experience with C#, .NET Framework or .NET Core, React.js and SQL Server database development. Working knowledge of Microsoft Azure services, software testing methodologies, Agile/Scrum, SDLC, REST APIs, web services and Git.

Exposure to OutSystems, or a willingness to learn low-code development platforms. Experience with CI/CD pipelines, DevOps practices, enterprise application environments, application security and performance optimisation. Able to explain technical issues clearly, work independently, collaborate with others and keep a close eye on quality and detail. A Bachelor’s degree in Computer Science, Software Engineering, Information Technology or a related field is preferred, and relevant industry certifications are an added advantage. #LI-Hybrid

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