I am an experienced software developer with over 5 years of expertise in backend and full-stack development, specializing in Node.js and React.js. I have a proven track record of delivering scalable solutions, improving system performance, and driving impactful projects in blockchain technology and cloud-based systems. I collaborate effectively across teams, solving complex problems and deploying high-quality code that enhances user experience and system efficiency. I am eager to leverage my expertise to contribute to innovative software development projects.

Vishnu Shyni Krishnan

I am an experienced software developer with over 5 years of expertise in backend and full-stack development, specializing in Node.js and React.js. I have a proven track record of delivering scalable solutions, improving system performance, and driving impactful projects in blockchain technology and cloud-based systems. I collaborate effectively across teams, solving complex problems and deploying high-quality code that enhances user experience and system efficiency. I am eager to leverage my expertise to contribute to innovative software development projects.

Available to hire

I am an experienced software developer with over 5 years of expertise in backend and full-stack development, specializing in Node.js and React.js. I have a proven track record of delivering scalable solutions, improving system performance, and driving impactful projects in blockchain technology and cloud-based systems.

I collaborate effectively across teams, solving complex problems and deploying high-quality code that enhances user experience and system efficiency. I am eager to leverage my expertise to contribute to innovative software development projects.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
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Work Experience

Blockchain Intern at Earth ID, London
October 1, 2023 - Present
Led development of self-sovereign identity solutions on Veramo, reducing authentication latency by 50% and verification expenditures by 30% for over 10,000 users. Integrated robust error handling and logging mechanisms into API wrappers for SSI layers using Node.js and Docker, achieving 99.99% uptime and improved system stability. Managed and optimized SSI servers, achieving 99.9% uptime and reducing deployment errors by 40% through automation and monitoring enhancements.
Systems Engineer at TCSL, Bangalore, India
September 30, 2023 - August 8, 2025
Scaled backend services for the SONYLIV OTT platform, boosting API response times by 35% and enabling platform reliability for 20M+ concurrent users. Delivered over 30 user stories within Agile sprints, improving user retention and decreasing page load times by 25%. Resolved 95% of reported bugs, collaborating with SRE and frontend teams to boost system reliability by 20%. Migrated legacy Marriott reservation system codebase to Node.js v18, improving performance benchmarks by 2.5x. Collaborated with frontend and SRE teams to redesign API workflows, decreasing API call latency by 15%.
Developer Analyst at ULTS, Kozhikode, India
July 31, 2021 - August 8, 2025
Engineered middleware using Hyperledger Indy, reducing blockchain transaction processing time by 40%. Automated deployment workflows with shell scripting, cutting manual tasks by 60% and deployment time by 50%. Contributed to 15+ Agile sprints, delivering key functionality and closing 100+ Jira tickets related to bug fixes and enhancements.
Intern at Activebytes, Thiruvananthapuram, India
September 30, 2019 - August 8, 2025
Completed a three-month RPA internship program offered by Activebytes.
Intern at AI Agency Marketplace, London, UK
February 1, 2025 - Present
Developing financial model automation and market forecasting solutions using n8n.
Blockchain Intern at Earth ID, London
October 1, 2023 - Present
Spearheaded the development of self-sovereign identity solutions on Veramo, reducing authentication latency by 50% and shrinking verification expenditures by 30% for over 10,000 users. Integrated robust error handling and logging mechanisms in API wrappers for SSI layers developed with Node.js and Docker, achieving 99.99% uptime and improved system stability. Managed and optimized SSI servers, achieving 99.9% uptime and reducing deployment errors by 40% through automation and monitoring improvements.
Systems Engineer at TCSL, Bangalore, India
September 30, 2023 - August 19, 2025
Scaled backend services for the SONYLIV OTT platform, boosting API response times by 35% and enabling platform reliability for 20M+ concurrent users. Delivered over 30 new user stories within Agile sprints, directly improving user retention and decreasing page load times by 25%. Resolved 95% of reported bugs, collaborating with SRE and frontend teams to boost system reliability by 20%. Migrated legacy codebase for Marriott’s reservation system to Node.js v18, improving performance benchmarks by 2.5x. Collaborated with frontend and SRE teams to redesign API workflows, resulting in a 15% decrease in API call latency.
Developer Analyst at ULTS, Kozhikode, India
July 31, 2021 - August 19, 2025
Engineered middleware using Hyperledger Indy, reducing blockchain transaction processing time by 40%. Automated deployment workflows with shell scripting, cutting manual tasks by 60% and deployment time by 50%. Contributed to 15+ Agile sprints, delivering key functionality and closing 100+ Jira tickets related to bug fixes and enhancements.
Intern at Activebytes, Thiruvananthapuram, India
September 30, 2019 - August 19, 2025
Completed a three-month RPA internship program offered by Activebytes.
Intern at AI Agency Marketplace, London, UK
February 1, 2025 - Present
Developed financial model automation and market forecasting solutions using n8n.

Education

MSc Computer Science at Middlesex University, London
January 1, 2023 - January 1, 2024
Advanced Diploma in Big Data Analytics at NIELIT, Calicut, India
January 1, 2018 - January 1, 2019
B.Tech in Computer Science at College of Engineering Chengannur, India
January 1, 2014 - January 1, 2018
MSc in Computer Science at Middlesex University, London
January 1, 2023 - December 31, 2024
Advanced Diploma in Big Data Analytics at NIELIT, Calicut, India
January 1, 2018 - December 31, 2019
B.Tech in Computer Science at College of Engineering Chengannur, India
January 1, 2014 - December 31, 2018

Qualifications

Game Design Certification (Kings Trust and Playstation)
January 11, 2030 - August 8, 2025
Blockchain Development (Ethereum & Hyperledger)
January 11, 2030 - August 8, 2025
SQL, Java, and Android Development Workshop by Audrey Technology Education
January 11, 2030 - August 8, 2025
Game Design Certification (Kings Trust and Playstation)
January 11, 2030 - August 19, 2025
Blockchain Development (Ethereum & Hyperledger)
January 11, 2030 - August 19, 2025
SQL, Java, and Android Development Workshop by Audrey Technology Education
January 11, 2030 - August 19, 2025

Industry Experience

Software & Internet, Financial Services, Education, Media & Entertainment, Professional Services