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Senior Software Engineer with 8+ years of experience building scalable backend systems using Ruby on Rails, Java, and AWS across SaaS, healthcare, and enterprise domains. Strong focus on API design, system reliability, cloud infrastructure, and delivery of production-grade systems in agile environments. Experienced in both monolithic and microservice architectures with a track record of improving system stability and delivery efficiency.…Senior Software Engineer with 8+ years of experience building scalable backend systems using Ruby on Rails, Java, and AWS across SaaS, healthcare, and enterprise domains. Strong focus on API design, system reliability, cloud infrastructure, and delivery of production-grade systems in agile environments. Experienced in both monolithic and microservice architectures with a track record of improving system stability and delivery efficiency.

Ayoma Nilakshi Dewaraja

Web Developer, Full Stack Developer, Back-End Developer, +2

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Senior Software Engineer with 8+ years of experience building scalable backend systems using Ruby on Rails, Java, and AWS across SaaS, healthcare, and enterprise domains. Strong focus on API design, system reliability, cloud infrastructure, and delivery of production-grade systems in agile environments. Experienced in both monolithic and microservice architectures with a track record of improving system stability and delivery efficiency.…Senior Software Engineer with 8+ years of experience building scalable backend systems using Ruby on Rails, Java, and AWS across SaaS, healthcare, and enterprise domains. Strong focus on API design, system reliability, cloud infrastructure, and delivery of production-grade systems in agile environments. Experienced in both monolithic and microservice architectures with a track record of improving system stability and delivery efficiency.

Available to hire

Senior Software Engineer with 8+ years of experience building scalable backend systems using Ruby on Rails, Java, and
AWS across SaaS, healthcare, and enterprise domains. Strong focus on API design, system reliability, cloud infrastructure,
and delivery of production-grade systems in agile environments. Experienced in both monolithic and microservice
architectures with a track record of improving system stability and delivery efficiency.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Advanced

Work Experience

Senior Software Engineer at Culture Amp Pty Ltd

May 1, 2022 - November 30, 2024

Developed and maintained Ruby on Rails backend services supporting core product workflows; improved system reliability by introducing stronger testing practices and expanding TDD adoption; worked with AWS-based infrastructure to support scalable deployments and improve service stability; contributed to CI/CD pipeline improvements, reducing deployment friction and improving release cadence and developer velocity; participated in cross-functional design and architecture discussions, contributing to feature planning and system design decisions for production services.

Senior Software Engineer at Aeturnum Lanka (Pvt) Ltd

June 1, 2021 - April 30, 2022

Led the development of Java-based microservices for enterprise applications, contributing to scalable and maintainable distributed systems; collaborated with stakeholders to define technical requirements, evaluate solution approaches, and provide delivery estimates for project planning; contributed to system design and architectural discussions, helping shape service boundaries, integration patterns, and scalability considerations; mentored junior engineers through code reviews, technical guidance, and onboarding activities, supporting team productivity and knowledge sharing; participated in client-facing engagements to translate business requirements into technical solutions and align implementation plans with project objectives.

Senior Software Engineer at X Gen Group (Pvt) Ltd

January 1, 2021 - April 30, 2021

Led R&D initiatives to evaluate and prototype new technologies for client solutions; conducted feasibility analysis and technical research for new system features; worked directly with clients to refine requirements and validate solutions.

System Analyst at Fullerton Health Care Pte Ltd

May 1, 2019 - July 31, 2020

Developed Java backend services improving system reliability and performance; worked on requirement analysis and accurate project estimation; contributed to production bug fixing and system stability improvements; participated in code reviews and quality assurance processes.

Senior Software Engineer at Aspitio Pvt. Ltd

September 1, 2018 - May 31, 2019

Led client solution design discussions and implementation planning; conducted code reviews and improved engineering standards within the team; mentored junior engineers and improved team delivery practices; supported continuous improvement of development workflows.

Software Engineer at LSEG Technology Pvt. Ltd

April 1, 2017 - August 31, 2018

Developed backend systems and delivered features on schedule; resolved production defects and improved system reliability; collaborated with cross-functional teams on requirements and delivery; supported testing and deployment activities.

Senior Software Engineer at Program a Pty. Ltd

June 1, 2015 - June 1, 2016

Delivered full-stack features using Ruby on Rails in an Agile environment, contributing to production systems supporting core customer workflows.