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Nikhil Mahajan

Software Engineer

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About Me

I'm an enthusiastic problem solver who thrives on tackling hard, ambiguous challenges. Give me a blurry roadmap, and I’ll bring clarity through execution—figuring things out as I go. I’ve worked in fast-paced startup environments under tight deadlines, where adaptability, ownership, and speed were key. Over the years, I’ve worn multiple hats—engineering, product, team management, and even customer interaction. I’ve led small teams, collaborated across diverse functions, and know how to stitch together the moving parts into a coherent solution. I’m passionate about building real, impactful products and love being involved end-to-end—from brainstorming ideas and giving product feedback to writing code and gathering insights directly from users. For me, it’s not just about writing great code—it's about contributing to something meaningful and continuously pushing the product and team forward.

Education

Indian Institute of Technology Roorkee

November 2021 - April 2025

B.Tech in Chemical Engineering

Experience

Astrikos.AI

Software Engineer (Intern)
Remote

  • Designed and developed a flow engine to enable dynamic execution of Python code through a node-based system.
  • Built a dynamic console for managing global datacenter operations, improving visibility and control.
  • Worked with real-time telemetry data to support data-driven infrastructure management.
  • Collaborated across multiple teams to coordinate deployments and ensure smooth delivery of features.
  • Utilized ReactJS for the frontend and Django, Celery, PostgreSQL, and TimescaleDB on the backend.

Recepto.AI

Software Engineer (Intern)
Remote

  • Designed and implemented a workflow to regularly retrieve the latest and most relevant leads from the internet.
  • Developed custom web scraping tools to extract leads from multiple online sources, including a specialized LinkedIn scraper for profiles, job listings, and posts.
  • Integrated all tools into the lead generation system.
  • Contributed to both backend (FastAPI, MongoDB) and frontend (React) development during the product’s early stages.
  • Actively participated in product discussions, proposed new features, and collaborated closely with the founders, gaining hands-on experience in a fast-paced startup environment.

Repello.AI

Software Engineer (Intern)
Remote

  • Designed and developed the user interface for an automated red teaming platform, based on a thorough under- standing of product needs.
  • Built the platform with features including real-time log streaming and PDF report generation.
  • Conducted red teaming on emerging AI products to identify and report security vulnerabilities.
  • Implemented frontend components using React and backend services with Flask.
  • Contributed to the improvement of the automated red teaming engine.

Wikimedia Foundation

Open Source Contributor (Google Summer of Code)
Remote

  • Developed end-to-end (E2E) tests for various user journeys to improve application reliability.
  • Contributed to a large-scale codebase by fixing minor bugs in Wikipedia.
  • Gained practical experience working within a global, distributed open-source development team.
  • Utilized WebdriverIO for browser automation to streamline testing workflows.

Self-Employed

Full Stack Developer (Freelance)
IIT Roorkee

  • Developed a web-based platform for simulating stock trading.
  • Integrated third-party APIs to fetch and display real-time stock market trends and data.
  • Built a responsive frontend using React.js and Bootstrap, and implemented backend using Django.

Projects

Election Portal

Developed and maintained the official platform for conducting campus-wide elections at IIT Roorkee, enabling over 10K voters to elect Positions of Responsibility (PORs). Implemented robust security measures to ensure secure and tamper-proof voting processes. Wrote clean, extensible, and production-grade code across frontend and backend. Built using Next.js, Django, PostgreSQL, Strapi, and Docker. Managed scalable infrastructure with AWS and Terraform, ensuring high availability and fault tolerance.

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IKS Console

Developed for the Indian Knowledge Systems (IKS) Division, Ministry of Education, Government of India Built a dynamic certificate generation platform that allows users to upload templates via a web console and generate personalized certificates from excel data. Automated the emailing of generated certificates directly to participants. Utilized Django, React.js, PostgreSQL, Docker, Pillow, and Nginx. Managed infrastructure including AWS SQS, Lambda, and S3 for scalable and efficient processing.

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Extracurricular Activities

Project Manager

MDG Space (Technical Club)
April 2022 – April 2025

Participant

Google Gen AI Hackathon
Sep 2024 – Oct 2024

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Skills

Github Stats

nik-55
nik-55 Github Stats

Blogs

How does Node Js work behind the scene?

Node Js is not a programming language but it is a Javascript runtime environment. It is built on top of V8 Engine and LibUv. Node Js has the Event-Driven Architecture and the event loop is said to be the heart of this architecture.

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Bits on the Move

Files are collections of binary digits. Whether it’s an image, audio, video, text, or any other data type, the interpretation of those binary values determines what the data represents. Binary data might seem a bit strange, but it’s the backbone of our digital world.

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