Senior Software Engineer - React.js/.Net (IGT1: Sitecore)

About IGT1

IGT1 is a rapidly growing offshore technology and talent solutions company based in Port City Colombo. We are a fully owned subsidiary of IGT I Holdings Sweden AB, funded by the three of world’s leading private equity firms; EQT Group, Hg, and TA Associates. We’re also proud to be a sister company of IFS, Sri Lanka’s largest and most established technology company. 

At IGT1, we partner with global businesses to provide them with an operation that maximizes efficiency, spurs growth, allows them to develop and deliver world-class product and services, and create long-term value. Our people-first culture champions diversity, teamwork, and continuous learning, creating an environment where talent thrives. 

With a team of over 500 professionals and counting, we are always looking for passionate, skilled individuals who want to make a global impact while being part of something extraordinary. 

Through our offshore collaboration model, you'll be embedded within the team of one of our esteemed international clients, contributing directly to high-impact, enterprise-level initiatives. 

About the client: Sitecore 

Sitecore delivers a composable digital experience platform that empowers the world’s smartest and largest brands to build lifelong relationships with their customers. A highly decorated industry leader, Sitecore is the leading company bringing together content, commerce, and data into one connected platform that delivers millions of digital experiences every day. Thousands of blue-chip companies including American Express, Porsche, Starbucks, L’Oréal, and Volvo Cars rely on Sitecore to provide more engaging, personalized experiences for their customers.

About the role:

As a Senior Software Engineer, you’ll be part of a dynamic team, driving Sitecore implementations with customers and partners to solve real-world business challenges. This role involves integrating enterprise systems, developing scalable software solutions and delivering high-quality results. This is a non-customer-facing, engineering-focused role that emphasizes precision, scalability, and operational excellence across repeatable development tasks.

Key Responsibilities:

• Full Stack Development: Design, develop, and maintain scalable modern JavaScript frameworks, such as React, Angular, Vue.js and next js.
• Code Reviews: Conduct comprehensive code reviews to maintain code quality and ensure best practices.
• Problem Solving: Identify and resolve complex technical issues and blockers, ensuring timely delivery of project milestones.
• Performance Optimization: Diagnose and resolve performance bottlenecks, optimize application speed, and ensure efficient resource utilization.
• Hands-On Development: Develop and implement software solutions using Sitecore’s product suite.
• Documentation & Presentations: Create high-quality technical documentation and present Sitecore's capabilities to customers and partners in a professional and impactful manner.

Preferred Skills and Experience:

• Bachelor’s or master’s degree in computer science or a related field, or equivalent practical experience.
• Minimum 5 years of hands-on full stack development experience.
• Strong front-end expertise with React or Next.js, along with JavaScript, TypeScript, and Redux.
• Back-end experience with C#, ASP.NET, Web APIs, Entity Framework, and SQL Server is strongly preferred.
• Product-oriented mindset with hands-on experience developing or maintaining SaaS-based platforms or enterprise software products.
• Proficiency in GraphQL, SCSS, SASS, CSS, HTML, Storybook, and tools like Git, Jira, Netlify, or Vercel.
• Strong verbal and written communication skills in English, with the ability to collaborate with cross-functional teams and customers.
• Demonstrated ability to work in a consulting environment, collaborating with project managers and technical teams to estimate project timelines and deliverables.
• Self-motivated with a strong desire to learn, tackle new challenges, and deliver high-quality solutions.

Nice to have:

• Sitecore Knowledge: Experience with Sitecore products and familiarity with the Sitecore ecosystem.
• SDLC Knowledge: Experience working within a structured Software Development Life Cycle (SDLC).
• Certifications: Microsoft certifications are a plus.

We champion flexibility and hybrid work options to support varying lifestyles and personal needs. At the same time, we value the power of in-person collaboration to build community, spark innovation, and strengthen connections. Our approach ensures you can work in ways that suit you best while still engaging with colleagues to share ideas and grow together. #LI-Hybrid #LI-DNP