Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

I am a senior full-stack and AI engineer with strong Python and production React experience. At Warner Music Group I own the end-to-end architecture of a global licensing application with React, TypeScript, Java and Spring Boot, from UI to APIs, including LLM features and agentic workflows. At Slice Labs I built a multi-agent underwriting application, integrated third-party APIs and monitored production with Datadog. I have about 4 years with Python (FastAPI, Django), Next.js, Node and MongoDB. I use Cursor, Claude and GitHub Copilot daily, which helps me ship quickly. I work remotely from Ottawa, am flexible on hours, and can start October 13, 2026.…I am a senior full-stack and AI engineer with strong Python and production React experience. At Warner Music Group I own the end-to-end architecture of a global licensing application with React, TypeScript, Java and Spring Boot, from UI to APIs, including LLM features and agentic workflows. At Slice Labs I built a multi-agent underwriting application, integrated third-party APIs and monitored production with Datadog. I have about 4 years with Python (FastAPI, Django), Next.js, Node and MongoDB. I use Cursor, Claude and GitHub Copilot daily, which helps me ship quickly. I work remotely from Ottawa, am flexible on hours, and can start October 13, 2026.

Tarun Singh

Full Stack Developer, Back-End Developer, Front-End Developer, +2





I am a senior full-stack and AI engineer with strong Python and production React experience. At Warner Music Group I own the end-to-end architecture of a global licensing application with React, TypeScript, Java and Spring Boot, from UI to APIs, including LLM features and agentic workflows. At Slice Labs I built a multi-agent underwriting application, integrated third-party APIs and monitored production with Datadog. I have about 4 years with Python (FastAPI, Django), Next.js, Node and MongoDB. I use Cursor, Claude and GitHub Copilot daily, which helps me ship quickly. I work remotely from Ottawa, am flexible on hours, and can start October 13, 2026.…I am a senior full-stack and AI engineer with strong Python and production React experience. At Warner Music Group I own the end-to-end architecture of a global licensing application with React, TypeScript, Java and Spring Boot, from UI to APIs, including LLM features and agentic workflows. At Slice Labs I built a multi-agent underwriting application, integrated third-party APIs and monitored production with Datadog. I have about 4 years with Python (FastAPI, Django), Next.js, Node and MongoDB. I use Cursor, Claude and GitHub Copilot daily, which helps me ship quickly. I work remotely from Ottawa, am flexible on hours, and can start October 13, 2026.

Available to hire

I am a senior full-stack and AI engineer with strong Python and production React experience. At Warner Music Group I own the end-to-end architecture of a global licensing application with React, TypeScript, Java and Spring Boot, from UI to APIs, including LLM features and agentic workflows. At Slice Labs I built a multi-agent underwriting application, integrated third-party APIs and monitored production with Datadog. I have about 4 years with Python (FastAPI, Django), Next.js, Node and MongoDB. I use Cursor, Claude and GitHub Copilot daily, which helps me ship quickly. I work remotely from Ottawa, am flexible on hours, and can start October 13, 2026.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

Work Experience

Founder/Director at ThinkIQ Consulting

January 1, 2022 - November 11, 2025

Established an independent software consulting firm delivering end-to-end development and IT solutions for SMBs. Provided website development, architecture, code reviews, and short-term contracts; managed client relationships, business development, and team coordination to deliver solutions on schedule.

Senior Software Engineer and Technology Consultant at Slice Labs

July 1, 2021 - November 1, 2025

Led backend and AI-enabled solutions using Java, Spring Boot, and Spring AI. Developed and optimized microservices for performance and scalability, integrated third-party APIs (including TransUnion credit APIs) to streamline underwriting and improve risk assessment, and improved production reliability by quickly diagnosing and resolving urgent issues. Built AI-driven automation using ChatGPT APIs for document parsing and web scraping, and created an agentic Spring AI application coordinating multiple autonomous agents for dynamic workflow delegation across underwriting steps. Contributed to system design and delivery for the insurance endorsements flow, collaborated with cross-functional teams, supported frontend feature development with React, and used Datadog for monitoring and troubleshooting. Worked with Kubernetes, AWS services, and Lambda, and wrote SQL scripts to support intelligent data retrieval.

Intermediate Java Developer at KDM Analytics

July 1, 2021 - July 1, 2021

Developed Spring Boot microservices with REST controllers, service and data layers. Dockerized microservices to enable seamless communication with PostgreSQL databases. Used Swagger/OpenAPI to generate API documentation. Implemented JSON schema validation for data import, integrated RabbitMQ for messaging, and contributed to architectural decisions across the full product lifecycle.

Software Developer at Slice Labs

July 1, 2021 - November 11, 2025

Developed and optimized backend microservices using Spring Boot and Java, integrating external APIs (including TransUnion credit APIs) to streamline underwriting and risk assessment. Improved production support by quickly identifying and resolving urgent system issues and implementing APIs to enhance reliability. Leveraged ChatGPT APIs for AI-driven document parsing and web scraping to automate underwriting insights. Designed and implemented payment solutions with Stripe and led the insurance endorsements flow, collaborating with cross-functional teams; supported frontend development in React.

Java Developer at KDM Analytics

January 1, 2020 - July 1, 2021

Developed Spring Boot microservices with REST controllers, service layers, and data layers backed by PostgreSQL. Dockerized microservices to enable consistent communication with databases, maintained API documentation using Swagger/OpenAPI generators, and implemented JSON schema validation for secure and accurate data imports. Integrated RabbitMQ for efficient asynchronous communication and data processing, contributed to architectural decisions, and supported end-to-end product development. Also assisted React-focused front-end work by implementing and supporting new features.

Java Developer at Legal Suite Canada

January 1, 2020 - January 1, 2020

Developed and customized new software features; frontend and backend using Java, SQL Server, Hibernate, and JavaScript; optimized and debugged existing applications to improve reliability. Collaborated with project managers and global clients; deployed and managed applications on Tomcat/Apache in a Linux environment.

Java Developer at Legal Suite Canada

September 1, 2018 - January 1, 2020

Delivered client-requested software enhancements across both frontend and backend. Built and customized features using Java, SQL Server, Hibernate, and related technologies, and developed UI components using GWT/HTML/CSS/JavaScript and AngularJS. Optimized and debugged existing applications to improve reliability, collaborated with project managers and global clients, and deployed applications on Tomcat and Apache in Linux environments.

Software Engineer at SLR Infotech Pvt. Ltd

July 1, 2015 - March 1, 2016

Consulted with business users to understand technological needs and translate requirements into actionable assessments and feedback. Implemented QA enhancements for client web applications and contributed code improvements for both existing and future modules. Collaborated with a team of engineers to develop and upgrade software modules and build web applications for multiple companies, supporting the delivery lifecycle from requirements through implementation and validation.