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I am a Full Stack Software Engineer with over 13 years of experience, passionate about building new products and contributing to technology strategies and roadmaps. I specialize in clean, maintainable code, emphasizing best practices across the software development cycle including testing, continuous integration, and rapid deployment. I enjoy mentoring and coaching engineers at various experience levels and am dedicated to delivering innovative solutions while keeping up to date with the latest technologies and toolsets. I have strong domain exposure in real estate, fintech, and hiring applications, with solid experience in AWS and API architectures.…I am a Full Stack Software Engineer with over 13 years of experience, passionate about building new products and contributing to technology strategies and roadmaps. I specialize in clean, maintainable code, emphasizing best practices across the software development cycle including testing, continuous integration, and rapid deployment. I enjoy mentoring and coaching engineers at various experience levels and am dedicated to delivering innovative solutions while keeping up to date with the latest technologies and toolsets. I have strong domain exposure in real estate, fintech, and hiring applications, with solid experience in AWS and API architectures.

Nishu Tosh Sharma

Full Stack Developer, Back-End Developer, Web Developer, +3

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I am a Full Stack Software Engineer with over 13 years of experience, passionate about building new products and contributing to technology strategies and roadmaps. I specialize in clean, maintainable code, emphasizing best practices across the software development cycle including testing, continuous integration, and rapid deployment. I enjoy mentoring and coaching engineers at various experience levels and am dedicated to delivering innovative solutions while keeping up to date with the latest technologies and toolsets. I have strong domain exposure in real estate, fintech, and hiring applications, with solid experience in AWS and API architectures.…I am a Full Stack Software Engineer with over 13 years of experience, passionate about building new products and contributing to technology strategies and roadmaps. I specialize in clean, maintainable code, emphasizing best practices across the software development cycle including testing, continuous integration, and rapid deployment. I enjoy mentoring and coaching engineers at various experience levels and am dedicated to delivering innovative solutions while keeping up to date with the latest technologies and toolsets. I have strong domain exposure in real estate, fintech, and hiring applications, with solid experience in AWS and API architectures.

Available to hire

I am a Full Stack Software Engineer with over 13 years of experience, passionate about building new products and contributing to technology strategies and roadmaps. I specialize in clean, maintainable code, emphasizing best practices across the software development cycle including testing, continuous integration, and rapid deployment.

I enjoy mentoring and coaching engineers at various experience levels and am dedicated to delivering innovative solutions while keeping up to date with the latest technologies and toolsets. I have strong domain exposure in real estate, fintech, and hiring applications, with solid experience in AWS and API architectures.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Hindi

Fluent

Panjabi, Punjabi

Fluent

Work Experience

Software Engineer II at Mastercard Technologies

October 1, 2024 - Present

Working as a key contributor on the team developing features for a React and Typescript SPA serving the Identity API. I implemented multi-factor authentication (MFA) using ROTP and collaborated with the product team on security enhancements and feature implementation. Responsibilities also include bug fixing with RSpec and Jest and performing staging and production deployments using AWS and Jenkins.

Software Engineer at REW Digital Ltd

October 1, 2024 - August 7, 2025

Developed multiple greenfield features for New Homes, Agents products, and internal admin tools in Ruby on Rails and React. Led migration of production infrastructure from Heroku to AWS, enhanced automated testing coverage with RSpec and Capybara, implemented application security scanning using Brakeman, and managed deployments on AWS CodeDeploy and Heroku. Participated in on-call rotations handling PagerDuty alerts and production fixes.

Independent Contractor at Celeberbiz Solutions LLP

February 29, 2020 - August 7, 2025

Developed an inventory management and order placing application using Ruby on Rails backend with React frontend and GraphQL APIs. Responsible for application architecture decisions, requirement gathering, stakeholder demos, documentation development, and contributing to hiring and team culture.

Senior Software Engineer at Trantor Softwares Pvt. Ltd.

August 31, 2019 - August 7, 2025

Worked on client interfacing, requirement gathering, development, deployment, and architecture of web applications mainly using Ruby on Rails, PostgreSQL, Python, and SOLR. Contributions include application security, multi-tenancy database architecture, continuous integration, peer code reviews, and mentorship. Projects included fintech applications, presentation management platforms, automation scripts, and marketing toolkits utilizing AWS Lambda and SNS.

RoR Developer at RedBlink Technologies Pvt. Ltd.

March 1, 2014 - August 7, 2025

Led development and deployment of Ruby on Rails applications including email marketing and reminder services. Delivered test-driven development, database optimization, client interfacing, and global team coordination. Built and scaled teams and established code quality and security processes.

Software Engineer II at Mastercard Technologies, Vancouver

October 1, 2024 - Present

Working on contract via Harvey Nash as a key contributor in feature development for a Single Page Application built with React and Typescript serving the Identity API. Responsibilities include continuously delivering new security enhancement features such as MFA using ROTP, collaborating with product teams for feature design, bug bashing, and managing staging and production deployments using Rspec, Jest, AWS, and Jenkins.

Software Engineer at REW Digital Ltd, Vancouver, BC

October 1, 2024 - August 22, 2025

Developed multiple greenfield features across products including New Homes, Agents, and Internal Admin tools. Led migration of production infrastructure from Heroku to AWS. Improved code quality with Rubocop, optimized database models and queries, implemented persistent search filters, increased automated tests coverage using RSpec and Cypress, and handled deployments with AWS CodeDeploy. Participated in on-call rotations to address PagerDuty alerts.

Independent Contractor at Celeberbiz Solutions LLP, Remote (Chandigarh)

February 29, 2020 - August 22, 2025

Developed inventory management and order placing application using Ruby on Rails backend serving React front-end and mobile app via GraphQL APIs. Responsibilities included application architecture design, API development, documentation, requirement gathering, stakeholder demos, and building organizational culture including hiring.

Senior Software Engineer at Trantor Softwares Pvt. Ltd., India

August 31, 2019 - August 22, 2025

Handled client interfacing, requirement gathering, application development and deployment using Ruby on Rails, PostgreSQL, SOLR, Python, and AWS services. Worked on fintech applications, SaaS products, presentation management platforms, and implemented high availability multi-zone deployments. Led application security initiatives, increased test coverage, collaborated across teams, and earned multiple employee of the quarter awards.

RoR Developer at RedBlink Technologies Pvt. Ltd., India

March 1, 2014 - August 22, 2025

Client interfacing, requirement gathering, application development and deployment with Ruby on Rails. Developed newsletter platforms and scheduler services with NodeJS and CouchDB for high-performance email processing. Led team building for Ruby on Rails developers and improved code quality and security through automated tools.

Software Engineer II at Mastercard Technologies, Vancouver

October 1, 2024 - Present

Key contributor responsible for feature development of SPA built in React and TypeScript to serve the Identity API. Delivered features for security enhancements, including MFA implementations using multiple OTP types. Participated in bug bashing, testing with RSpec and Jest, feature architecture design, and deployment in staging and production environments.

Software Engineer at REW Digital Ltd, Vancouver, BC

October 1, 2024 - August 25, 2025

Developed multiple greenfield features for New Homes, Agents products, and internal admin tools. Contributed to migration of production infrastructure from Heroku to AWS and improved automated test coverage using RSpec and Capybara. Implemented application security scanning and participated in on-call rotations to address PagerDuty alerts. Enhanced search filters with persistent cookie-based searches.

Independent Contractor at Celeberbiz Solutions LLP, Remote for Chandigarh

February 29, 2020 - August 25, 2025

Developed a Ruby on Rails backend for React frontend and mobile app using GraphQL APIs. Led application development and architecture decisions from scratch. Prepared base application and API architecture, developed documentation, performed initial requirements gathering, and conducted stakeholder demos. Also participated in hiring.

Senior Software Engineer at Trantor Softwares Pvt. Ltd., India

August 31, 2019 - August 25, 2025

Responsible for client interfacing, requirement gathering, application development and deployment, web app architecture, API integration, functional and E2E automation testing, data migration, CI/CD, documentation, and peer code review. Worked on multiple SaaS, fintech, and presentation management platforms. Contributed to application security initiatives and mentoring junior engineers. Recognized multiple times as Employee of the Quarter.

RoR Developer at RedBlink Technologies Pvt. Ltd., India

March 1, 2014 - August 25, 2025

Handled client interfacing, requirements gathering, application development and deployment, test-driven development, database optimization, and global team coordination. Developed products including an email marketing platform and reminder service from scratch, integrating Mailgun and Sendgrid for newsletter and email scheduling. Built and grew a team of 11 Ruby on Rails developers.