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Sheromi ParamanathanSP
Open to opportunities

Sheromi Paramanathan

@sheromiparamanathan

I build scalable SaaS and AI-integrated systems using Laravel, Python, React, and LLM workflows, with a focus on backend architecture and automation.

Sri Lanka
Message

What I'm looking for

I'm looking for Software Engineering opportunities where I can build reliable, scalable SaaS and AI-driven products, with a focus on backend architecture, AI/LLM integrations, automation, and production-ready systems in collaborative engineering teams.

I’m a Software Engineer focused on building scalable SaaS products, AI-integrated systems, and backend architectures. At Balanita, I worked on production systems spanning SaaS, recruitment, LMS, and AI-powered workflows.

I built and contributed to AI-integrated platforms, including an ATS system serving 500+ users that reduced manual resume-screening effort by 70% through LLM-based evaluation. I also worked on multi-tenant systems and re-architected REST APIs using database indexing, query optimization, and caching, reducing average API response time by 40%.

My technical experience includes Laravel, PHP, Python, React, JavaScript/TypeScript, MySQL, REST APIs, RBAC, ETL pipelines, and AI/LLM technologies including OpenAI, Google Gemini, and Anthropic Claude. I have experience with embeddings, vector search, and multi-LLM workflows.

Outside of professional work, I build end-to-end products such as ExecutionOS, a productivity SaaS platform, and a real-time yoga pose correction system using MoveNet and Keras.

I’m particularly interested in backend engineering, software architecture, AI/LLM engineering, automation, SaaS products, and product-focused engineering roles where I can solve complex problems and build systems that create measurable impact.

I also build end-to-end products such as ExecutionOS, a productivity SaaS platform, and a real-time yoga pose correction system that achieved 90%+ classification accuracy using MoveNet and Keras.

Experience

Work history, roles, and key accomplishments

BL

Associate Software Engineer

Balanita Pvt Ltd

Jul 2025 - May 2026 (10 months)

Built production SaaS and AI systems across recruitment, LMS, and content intelligence. Owned backend architecture for an AI ATS serving 500+ users, reducing manual screening by 70%. Led multi-tenant LMS and RBAC development. Optimized REST APIs with indexing, query optimization, and caching, reducing response time by 40%. Built LLM workflows with OpenAI and vector search.

Balanita Pvt Ltd logoBL

Intern Software Engineer

Balanita Pvt Ltd

Jan 2025 - Jul 2025 (6 months)

Developed enterprise SaaS for recruitment, automation, and BPM. Built backend features, auth systems, and production workflow automation. Resolved data integrity, performance, and UX issues to boost platform stability. Triaged 15+ production defects while supporting testing, deployment, and system maintenance.

Education

Degrees, certifications, and relevant coursework

Eastern University of Sri Lanka logoEL

Eastern University of Sri Lanka

Bachelor of Science in Computer Science, Computer Science

2021 - 2025

Grade: Second Class Upper

Activities and societies: N/A

Pursued a Bachelor of Science in Computer Science, graduating with a GPA of 3.60 out of 4.00 and achieving Second Class Upper honors.

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