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Hashim Kalam - Software Engineer Intern in Colombo, Sri Lanka

Hashim Kalam

Junior Software Engineer specializing in backend systems and applied AI

IFSUniversity of WestminsterColombo, Sri Lanka3 Years ExperienceJunior LevelWorks Remote

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About

Full-stack and backend-oriented engineer with experience spanning customer-facing web products, LLM-based multi-agent systems, and enterprise Go microservices. They’ve worked on a ticketing/payments platform with Stripe, an NLP-to-2D-CAD MVP, and AI orchestration using LangChain, OpenAI, and Gemini, showing a mix of product thinking, backend architecture, and applied AI experimentation.

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Key Strengths

  • End-to-end full-stack product ownership
  • Built booking and payments workflows with Stripe
  • Scalable backend and API design using simple relational models
  • Type-safe application development with TypeScript
  • AI/LLM orchestration across multiple agents
  • Grounding and guardrail design for out-of-scope control
  • Structured output design using OpenAI and Gemini via LangChain
  • Production-minded AI reliability with retries and timeouts
  • AI feature evaluation using accuracy, latency, token, error, and engagement metrics
  • Human-in-the-loop decision design for operational risk control
  • Early-stage ambiguity handling across engineering, QA, and DevOps
  • Built and productionized Go microservices integrated with Kafka and enterprise systems

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Experience

Software Engineer InternIFS · Jun 2024 – Jun 2025internship
Part-Time Full-Stack EngineerAvantous · Jul 2024 – Dec 2025part-time
Freelance Full-Stack EngineerAxle Global · Nov 2023 – Dec 2025freelance

Education

University of Westminsterbachelor, Computer Science (2026)

Awards

  • Vibeflow AI Hackathon, Top 3, 2025
  • INSL Business Ideathon, Top 5, 2024
  • Devthon Ideathon, Top 4, 2024
  • Toastmasters Humorous Speech Contest, 3rd Place, 2023

Languages

English

Publications

2 publications

Explainable AITime-series machine learningAdversarial machine learningRobust AITime-series analysis

Memberships

  • Toastmasters International

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Hashim KalamJunior Software Engineer specializing in backend systems and applied AI