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I am a Senior .NET Full Stack Developer with over 13 years of experience delivering robust, scalable software solutions across various industries, including government and high-security sectors in Singapore and Dubai. I have expertise in a wide range of technologies including .NET Core, C#, Python, Node.js, Angular, React, and cloud platforms like Azure and AWS. I excel in agile environments and bring strong technical leadership skills, mentoring teams, and driving strategic architecture decisions. Beyond coding, I have worked extensively as a Technical Lead, DevOps and Security Lead, and Scrum Master, focusing on quality, security, and continuous improvement. I am passionate about innovation, personal growth, and social responsibility, actively engaging in community initiatives and enjoying sports like cricket and football during leisure time.…I am a Senior .NET Full Stack Developer with over 13 years of experience delivering robust, scalable software solutions across various industries, including government and high-security sectors in Singapore and Dubai. I have expertise in a wide range of technologies including .NET Core, C#, Python, Node.js, Angular, React, and cloud platforms like Azure and AWS. I excel in agile environments and bring strong technical leadership skills, mentoring teams, and driving strategic architecture decisions. Beyond coding, I have worked extensively as a Technical Lead, DevOps and Security Lead, and Scrum Master, focusing on quality, security, and continuous improvement. I am passionate about innovation, personal growth, and social responsibility, actively engaging in community initiatives and enjoying sports like cricket and football during leisure time.

Nirmal Samaranayaka

Full Stack Developer, DevOps Developer, Cloud Developer, +1

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I am a Senior .NET Full Stack Developer with over 13 years of experience delivering robust, scalable software solutions across various industries, including government and high-security sectors in Singapore and Dubai. I have expertise in a wide range of technologies including .NET Core, C#, Python, Node.js, Angular, React, and cloud platforms like Azure and AWS. I excel in agile environments and bring strong technical leadership skills, mentoring teams, and driving strategic architecture decisions. Beyond coding, I have worked extensively as a Technical Lead, DevOps and Security Lead, and Scrum Master, focusing on quality, security, and continuous improvement. I am passionate about innovation, personal growth, and social responsibility, actively engaging in community initiatives and enjoying sports like cricket and football during leisure time.…I am a Senior .NET Full Stack Developer with over 13 years of experience delivering robust, scalable software solutions across various industries, including government and high-security sectors in Singapore and Dubai. I have expertise in a wide range of technologies including .NET Core, C#, Python, Node.js, Angular, React, and cloud platforms like Azure and AWS. I excel in agile environments and bring strong technical leadership skills, mentoring teams, and driving strategic architecture decisions. Beyond coding, I have worked extensively as a Technical Lead, DevOps and Security Lead, and Scrum Master, focusing on quality, security, and continuous improvement. I am passionate about innovation, personal growth, and social responsibility, actively engaging in community initiatives and enjoying sports like cricket and football during leisure time.

Available to hire

I am a Senior .NET Full Stack Developer with over 13 years of experience delivering robust, scalable software solutions across various industries, including government and high-security sectors in Singapore and Dubai. I have expertise in a wide range of technologies including .NET Core, C#, Python, Node.js, Angular, React, and cloud platforms like Azure and AWS. I excel in agile environments and bring strong technical leadership skills, mentoring teams, and driving strategic architecture decisions.

Beyond coding, I have worked extensively as a Technical Lead, DevOps and Security Lead, and Scrum Master, focusing on quality, security, and continuous improvement. I am passionate about innovation, personal growth, and social responsibility, actively engaging in community initiatives and enjoying sports like cricket and football during leisure time.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

Sinhala, Sinhalese

Fluent

English

Fluent

Swedish

Intermediate

Work Experience

Senior Full stack Developer / Security Lead at Alten Sweden AB

January 1, 2023 - Present

Working as a senior full stack consultant for a leading European heavy vehicle company, developing a multi-brand Digital Connected Services troubleshooting tool. Responsible for full-stack development using micro front-end architecture with React, Redux, MobX, full backend API development with .NET 8, and AWS cloud services. Led security initiatives, vulnerability remediation, and integrated AI features to enhance troubleshooting efficiency. Engaged in agile ceremonies, code reviews, testing, and customer interaction.

Senior Full stack Developer at Utvecklarbolaget Stockholm AB

December 31, 2022 - August 29, 2025

Developed end-to-end digital payment solutions for Purspot AB, including POS systems integrating third-party APIs, backend middleware, database migration from MySQL to Azure MS-SQL, report APIs development, security fixes, and feature implementation for retail sectors.

Full stack Technical Lead, Lead Developer, Scrum Master at UST Global Pvt Ltd, Singapore

September 30, 2022 - August 29, 2025

Led development of Path Wave WAND Test Solution for Keysight Technologies, a smart manufacturing testing platform. Designed system architecture, implemented secure scalable microservices, managed scrum teams, performed performance optimizations, built reporting and STDF generation features, and conducted UAT with global clients.

Associate Fullstack Technical Lead & Developer at Achieve Group Pvt Ltd, Singapore

October 31, 2021 - August 29, 2025

Developed web portals and backend systems for Singapore's national water agency (PUB), including Qualified Persons and Licensed Plumber portals. Responsibilities included SDLC adherence, government security compliance, support, DevOps automation, deployment, and mentoring junior engineers.

Full stack Technical Lead & Developer at John Keells IT (Pvt) LTD, Sri Lanka

May 31, 2020 - August 29, 2025

Led development and architecture design for multiple projects including knitting optimizer for MAS Holdings, integration platforms, quality management systems, and import management systems. Implemented microservices, DevOps pipelines, reporting, security features, and conducted user trainings across diverse sectors.

Senior Software Developer at John Keells IT (Pvt) LTD, Sri Lanka

June 30, 2018 - August 29, 2025

Developed generic frameworks for John Keells IT products, including authentication and audit trail systems, utilizing Identity Server 4, .NET Core, and Angular with focus on code quality and team guidance.

Software Developer at John Keells IT (Pvt) LTD, Sri Lanka

June 30, 2015 - August 29, 2025

Worked on varied projects such as Dubai Government content management system (KHDA), smart curriculum vitae recruitment systems, financial insurance tools, promotion management for Unilever, and consumer survey platforms. Tasks included backend API development, Azure cloud integrations, multilingual support, security enhancements, and reporting.

Software Developer / Trainee Software Developer at Mindcroft (Pvt) LTD, Sri Lanka, UK

May 31, 2013 - August 29, 2025

Developed restaurant and event management systems for UK-based Venue 5 Restaurant. Gained knowledge in hospitality systems, API integration, push notifications, project management tools, and mobile app backends.

Senior Full stack Developer / Security Lead at Alten Sweden AB

January 1, 2023 - Present

Working as a full-stack engineer and security lead supporting a leading European heavy vehicle company developing a Digital Connected Services troubleshooting tool and Variable Editor for multi-brand vehicle manufacturers. Responsibilities include developing micro front-end features with React, Redux, and MobX, backend API development with .NET 8 and microservices, participating in PI planning, code reviews, and introducing AI features and security best practices.

Senior Full stack Developer at Utvecklarbolaget Stockholm AB

December 31, 2022 - August 29, 2025

Developed end-to-end digital payment solutions for Purspot AB, including middleware APIs integration, database migration, report and chart REST APIs, security issue fixes, and POS system knowledge acquisition. Collaborated with product owners and customers for requirements gathering and system analysis.

Full stack Technical Lead, Lead Developer, Scrum Master at UST Global Pvt Ltd, Singapore

September 30, 2022 - August 29, 2025

Led the Path Wave WAND Test Solution project, a smart manufacturing platform for electronic test and measurement equipment. Designed system architecture, managed scrum teams, implemented microservices, DevOps operations, and reporting modules, improved system performance, and conducted UAT sessions with clients.

Associate Fullstack Technical Lead & Developer at Achieve Group Pvt Ltd, Singapore

October 1, 2021 - August 29, 2025

Worked on PUB portals to manage Singapore's water supply and related e-forms. Responsibilities included implementing government security requirements, preparing deployment scripts, mentoring juniors, implementing project architecture and microservices, troubleshooting production issues, and integrating with government systems like SingPass and CorePass.

Full stack Technical Lead & Developer at John Keells IT (Pvt) LTD, Sri Lanka

May 31, 2020 - August 29, 2025

Led multiple projects including knitting optimizer for garment manufacturing, digital platforms integrating SAP and Azure, quality management systems for British Tobacco, import management systems, talent acquisition digitization, commission management systems, and development of core frameworks. Responsibilities included system architecture design, mentoring, DevOps pipeline creation, security implementation, and project delivery.

Senior Software Developer at John Keells IT (Pvt) LTD, Sri Lanka

June 30, 2018 - August 29, 2025

Provided technical leadership and development for various projects such as generic frameworks, WPF applications integrating Active Directory, quality and commission management systems, recruitment digitization platforms, and production monitoring solutions. Engaged in architecture design, code review, deployment and UAT, and supporting application lifecycle management.

Software Developer at John Keells IT (Pvt) LTD, Sri Lanka

June 30, 2015 - August 29, 2025

Worked as team lead for developing a CMS and recruitment systems for the Dubai Government Knowledge and Human Development Authority (KHDA), supporting multilingual content, web accessibility, and cloud integration. Participated in backend API development for mobile apps and offline tools, performance tuning, and integration of third-party APIs.

Software Developer, Trainee Software Developer at Mindcroft (Pvt) LTD, Sri Lanka, UK

May 31, 2013 - August 29, 2025

Developed restaurant and event management systems, project management/time tracking software, and wedding planning applications. Gained experience in backend API development and mobile push notifications, learning hospitality and ERP domains.