Jayakrishnan V R
Full-stack software engineer with 4+ years of experience building scalable SaaS applications using React, TypeScript, FastAPI, and PostgreSQL. Proven track record of delivering security-focused features including phishing simulation and training platforms.
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Who am I?
A full-stack software engineer passionate about building scalable, high-performance applications. With 4+ years of hands-on experience, I specialize in React, TypeScript, FastAPI, and PostgreSQL — turning complex problems into elegant, production-ready solutions. Strong expertise in API design, asynchronous systems, and performance optimization across SaaS and enterprise platforms.
What I Do
Frontend Development
Building intuitive, high-performance UIs with React (TypeScript), Redux, Angular, Tailwind CSS, Material UI, Ant Design, HTML, and CSS/SCSS.
Backend & APIs
Designing scalable backend services with FastAPI, Node.js, and ExpressJS. REST API design with validation, structured error handling, and async processing for high-performance workflows.
Security & GRC
Developing security-focused features including phishing simulation systems, awareness training modules, quiz flows, and GRC compliance platforms with evidence management.
Mobile Development
Creating cross-platform mobile applications with React Native and CapacitorJS, delivering native-like experiences on iOS and Android.
Database & Performance
PostgreSQL and MongoDB schema design, query optimization, and data pipeline development for complex relational datasets and third-party integrations.
Technical Expertise
Frontend
Backend & Database
Languages
Tools
Professional Journey
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Hexafort Inc. Senior Software Engineer Aug 2025 – Present
- Core contributor to a GRC platform, evolving it into a scalable SaaS solution
- Built modular FastAPI backend services with async processing
- Led phishing simulation system — campaigns, templates, landing pages, and tracking
- Developed security awareness training and quiz modules with analytics
- Built Artifacts module and integrations with Slack, GitHub, GitLab, Bitbucket, Jira, and Google Chat
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Ernst & Young (EY) Associate Consultant Sep 2024 – Aug 2025
- Built full-stack enterprise applications using Angular and Node.js
- Developed modules for tax and profitability calculations from Excel data
- Integrated SharePoint for automated file ingestion workflows
- Performed XLSX data transformation and backend processing optimization
- Developed responsive UI for a client-facing recruitment portal
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Knowledgelens – Rockwell Automation Software Engineer Jun 2022 – Sep 2024
- Contributed to 15+ projects using Angular, React, Node.js, and MongoDB
- Built web and mobile apps with CapacitorJS and Angular
- Enhanced UI/UX with AG-Grid, Leaflet, MQTT, and Jitsi integrations
- Performed unit and integration testing; followed clean code principles
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EmpireAe, Kochi React Native Developer Intern May 2021 – Nov 2021
- Customized mobile applications based on client requirements
- Implemented new features and improved existing functionalities
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Marian College, Kerala Master of Computer Applications 2019 – 2022MCA — MG University · 8.1 CGPA Coursework: DBMS, Software Engineering, Web Development, Networking, AI. Awarded Best Outgoing Student (MCA 2022).
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SB College, Changanassery Bachelor of Science, Physics 2016 – 2019BSc Physics — MG University Relevant coursework: C/C++, Python.
Continuous Learning
TensorFlow & AI
Deep learning and AI fundamentals with TensorFlow framework.
AI for Everyone
Understanding AI concepts, capabilities, and business applications.
Digital Marketing
Digital marketing strategies, analytics, and online growth fundamentals.
Recognition & Achievements
Best Team Player — Oct 2022
For helping the team in every possible way and taking ownership of any task on the list.
Best Newcomer — 2023
For impeccable performance and excellence at work every day.
Best Team Player — Feb 2024
For tremendous effort and playing a crucial role in project delivery.
Best Outgoing Student — MCA 2022
Award for academic excellence and all-round capabilities at Marian College.
What They Say
Razeen Rasheed
"Jayakrishnan is a standout professional in the technical field, showcasing exceptional expertise across a diverse range of tech-related tasks. Beyond his technical prowess, he excels in problem-solving and quickly grasping new concepts. What sets Jayakrishnan apart is not just his technical skills but also his strong team collaboration and proactive eagerness to assist colleagues."
Software Engineer at Rockwell
Liju Samuel
"Jayakrishnan is very passionate and has great vision for his work. His focus keeps everything moving smoothly — he makes sure all deadlines are met and that every project meets the highest standards."
Software Engineer at Rockwell