Top Talent like Arjan are on Pangea

Pangea, a YC company, connects companies with fractional talent. Fractional hiring allows companies to move faster and work with more specialized talent, while giving talent more flexibility and independence. If you are talent open to fractional work, apply here. If you’re a company looking for high-quality fractional talent, learn more here.

Arjan Aswal

Full-stack Engineer
Backend Engineer
Toronto, ON, CA
Python
React
Full Stack Development
Node.js
TypeScript
React Native
PostgreSQL
MERN
Software Engineering
Express.js
Docker
Amazon Web Services
Javascript
Microservices
Firebase
Kubernetes
REST
CI/CD
MongoDB
Linux
SQL
Available for hire fromNegotiable
Full-Time Roles
Contracts
An experienced full-stack developer adept at optimizing backend systems, and developing dynamic and user-friendly web interfaces.
As a seasoned software engineer, I have demonstrated a consistent record of accomplishment in designing and implementing web applications that have garnered both favorable feedback and financial success. With an unwavering commitment to precision and meticulousness, I possess exceptional problem-solving abilities and can thrive in dynamic team settings characterized by fast-paced workflows. Proficient in Node.js, React.js, Express.js, NestJS, TypeScript, SQL/NoSQL databases, AWS, Firebase, Docker, and Microservices.

Projects

Stockfish

The Stockfish Chess Engine is a software component developed for the Flutter framework, which facilitates the creation of high-performance mobile applications. This engine leverages C++ bindings to enable seamless communication between the Flutter application and the underlying Stockfish chess engine. Presently, the Lichess organization has adopted this package in its efforts to develop a chess mobile application for both iOS and Android platforms.See More

Noddit

Noddit is an Open Source Reddit clone implemented in Node.js. Noddit is a RESTful API that conforms to the constraints of REST architectural style and allows for interaction with RESTful web services. Features - Nginx as a reverse proxy and load balancer. - Hot ranking algorithm (similar to Reddit) to sort by trending. - Cron job to calculate the score (rank) of each post and comment. - Scalable file upload to Amazon S3 through secure presigned URLs. - Query caching through Redis DB. - Deployed with AWS Elastic Beanstalk. - Integration testing through Jest. - Follows the Model View Controller (MVC) architecture. - Fully automated Continuous Integration and Deployment (CI/CD) through GitHub Actions. - Advanced Database queries for complex requests. - API documentation through Swagger and Postman. - Sendgrid API integration to send emails. - ESLint and Prettier integration. - Fully dockerized app with proper health checking of containers which follows the best practices. - A centralised Error handler for efficient error handling. - Production grade logging through Winston. - Email templating with Pug. See More

JotPad

A minimalistic, distraction-free Rich Text editor that helps you draft your thoughts into concrete rich texts. Using this app, you can write notes, poems, essays, novels, stories, screenplays, drafts, and even your grocery shopping list! Just open the app wherever you are and conveniently ‘jot’ your thoughts into words without losing your content. Tech stack - Flutter, Firebase, RevenueCat SDK, Facebook and Google Ads integration.See More

Work History

I

Senior Full Stack AI Engineer

IdylloFull-time EmployeeMar 2025 - Mar 2026 • 1 yr 1 mo• Spearheaded an LLM-driven data ingestion pipeline to normalize and map complex, hierarchical onboarding data into schema-safe product and production-rate models. • Reduced LLM assistant token consumption and latency by 27% via React state normalization, payload compression, and cleanup of unused editor state. • Built RAG-based AI workflows with Langchain and integrated LangSmith for observability, evaluation, and tracing of multimodal quoting pipelines. • Implemented an LLM-powered natural-language command editor enabling estimate modifications via verbal & NL commands, eliminating 34% of interaction mode switches and 37% of manual UI clicks. • Boosted developer productivity and code quality by creating reusable, context-aware AI rules using Cursor’s .mdc framework across a multi-module React app. • Spearheaded development of a multimodal quoting platform for residential painting services using MERN, AWS (Elastic Beanstalk, S3, Cognito, MongoDB), and OpenAI’s GPT-4o and Whisper.
L

Senior Full Stack Engineer

Let's Hang!Full-time EmployeeOct 2023 - May 2025 • 1 yr 8 mos• Led the implementation of OpenAI GPT APIs for event suggestion generation and integrated DALL·E for flyer image generation. Designed and optimized a recommendation and event success algorithm to enhance user engagement and event performance. • Addressed failing tests to ensure code reliability, instituted a comprehensive code review process for junior developers, and established guidelines and style guides for a cohesive and high-quality codebase. • Streamlined Stripe integration for payments for paid events, ensuring robust security measures and conducting comprehensive vulnerability testing to safeguard user transactions. • Enhanced data security with scheduled Firestore backups, migrated to TypeScript for improved code maintainability and enabled Over-The-Air (OTA) updates for Expo projects. • Upgraded the development toolchain with Husky pre-commit hooks, linting, and automated CI/CD.
S

Backend Engineer

Sublime Data SystemsFull-time EmployeeMay 2022 - Nov 2023 • 1 yr 7 mos• Overhauled the development toolchain of the company, bringing in features such as TypeScript, ES6, unit testing, bundling, linting, and automated CI/CD • Spearheaded the development of high-performance webhooks, integrating them with WebSockets, resulting in a 30% faster message delivery. • Automated cron jobs reduced manual data cleanups by 90% and improved PostgreSQL query execution performance by 40% by restructuring database schema. • Utilized git submodules to streamline the combined repository, cutting deployment time in half, enhancing code maintainability, and facilitating a more efficient development workflow. • Led a team of software engineers in developing backend infrastructure, successfully delivering functional web applications that met or exceeded client requirements and expectations.
I

Software Engineer

iCitizenContract EmployeeJan 2024 - Apr 2024 • 4 mos• Developed Alexa skills using the Alexa Skills Kit (ASK), enabling voice interactions through custom intents and natural language understanding. • Created and managed AWS Lambda functions to handle business logic and integrate with services like DynamoDB for Alexa skill backends.
I

Software Engineer

INDUSTRY PDXFreelancerJan 2022 - Apr 2022 • 4 mos• Designed and implemented a high-impact software solution to efficiently analyze an electronic board game and translate over 50 game piece positions into data tables and functions accessible via an API. • Worked directly with the libraries analyzing the game and reading data from the electronic board, implementing optimizations that resulted in a 30% improvement in-game data processing speed, facilitating seamless interaction between developers and the board game hardware. • Maintained a near-zero tech debt throughout the project, ensuring long-term sustainability and ease of maintenance.
I

Mobile App Engineer

IonioJun 2021 - Oct 2021 • 5 mos• Developed a cross-platform mobile app seamlessly interacting with Twitter API through Firebase Cloud Functions, enhancing user experience by significantly reducing the build size to approximately 25 MBs. • Implemented robust data caching mechanisms, reducing data transfer and eliminating unnecessary API calls, resulting in a substantial 20% decrease in mobile data usage for app users. • Leveraged Webflow SDK to manage user website metadata in the app, skillfully utilized JavaScript libraries for Mapbox API to provide users with advanced geolocation functionalities and features.
C

Backend Engineer

CodantoContract EmployeeJul 2022 - Nov 2022 • 5 mos• Collaborated on the backend system for an IoT-capable mobile app, optimizing express middlewares for a 30% faster data retrieval. • Implemented caching mechanisms through Redis that reduced server response times, leading to a 15% overall app performance improvement. • Introduced TypeScript and used enums for better type checking, enhanced code consistency by utilizing shared types between the frontend and backend. • Implemented a database sharding strategy to horizontally scale and distribute data, resulting in a significant improvement in system scalability and performance. Integrated and worked with PostGIS to manage and query geolocation data.

Education

Conestoga College

Postgraduate Degree, Mobile Solutions And DevelopmentJan 2024 - Sep 2025
C

Chandigarh University

Bachelor's Degree, Computer Science and EngineeringJul 2019

How Pangea Works

Effortlessly discover top talent

We've distilled the candidate search from endless hours down to just a few minutes. Using Pangea's AI-powered search tools, you can find top fractional talent able to take on your next project. Our system looks at your company's niche and your needs to find the perfect match faster than any traditional hiring platform.

Start working with talent today

The top talent on Pangea is ready to get started with you right now. You can message or hire a candidate right from their profile page and start assigning work as soon as they respond. And the best part? Pangea's fractional contract structure lets you start small and ramp up as your needs change, keeping your costs manageable and your team's capabliities flexible.

Track work and invoices in one place

Assign tasks, track progress, and complete invoices all on Pangea. We've combined every part of the hiring process into one platform to eliminate the miscommunication that's unavoidable on other freelance platforms. We even send out 1099s to your contractors at the end of the year!

Talk with a Talent Expert

Members of our team are available to help you speed through the hiring process.
Available Now
Book a Call
An experienced full-stack developer adept at optimizing backend systems, and developing dynamic and user-friendly web interfaces.
As a seasoned software engineer, I have demonstrated a consistent record of accomplishment in designing and implementing web applications that have garnered both favorable feedback and financial success. With an unwavering commitment to precision and meticulousness, I possess exceptional problem-solving abilities and can thrive in dynamic team settings characterized by fast-paced workflows. Proficient in Node.js, React.js, Express.js, NestJS, TypeScript, SQL/NoSQL databases, AWS, Firebase, Docker, and Microservices.

Talk with a Talent Expert

Members of our team are available to help you speed through the hiring process.
Available Now
Book a Call

Top Talent like Arjan are on Pangea

Pangea, a YC company, connects companies with fractional talent. Fractional hiring allows companies to move faster and work with more specialized talent, while giving talent more flexibility and independence. If you are talent open to fractional work, apply here. If you’re a company looking for high-quality fractional talent, learn more here.

Arjan Aswal

Full-stack Engineer
Backend Engineer
Toronto, ON, CA
Python
React
Full Stack Development
Node.js
TypeScript
React Native
PostgreSQL
MERN
Software Engineering
Express.js
Docker
Amazon Web Services
Javascript
Microservices
Firebase
Kubernetes
REST
CI/CD
MongoDB
Linux
SQL
Available for hire fromNegotiable
Full-Time Roles
Contracts

Projects

Stockfish

The Stockfish Chess Engine is a software component developed for the Flutter framework, which facilitates the creation of high-performance mobile applications. This engine leverages C++ bindings to enable seamless communication between the Flutter application and the underlying Stockfish chess engine. Presently, the Lichess organization has adopted this package in its efforts to develop a chess mobile application for both iOS and Android platforms.

Noddit

Noddit is an Open Source Reddit clone implemented in Node.js. Noddit is a RESTful API that conforms to the constraints of REST architectural style and allows for interaction with RESTful web services. Features - Nginx as a reverse proxy and load balancer. - Hot ranking algorithm (similar to Reddit) to sort by trending. - Cron job to calculate the score (rank) of each post and comment. - Scalable file upload to Amazon S3 through secure presigned URLs. - Query caching through Redis DB. - Deployed with AWS Elastic Beanstalk. - Integration testing through Jest. - Follows the Model View Controller (MVC) architecture. - Fully automated Continuous Integration and Deployment (CI/CD) through GitHub Actions. - Advanced Database queries for complex requests. - API documentation through Swagger and Postman. - Sendgrid API integration to send emails. - ESLint and Prettier integration. - Fully dockerized app with proper health checking of containers which follows the best practices. - A centralised Error handler for efficient error handling. - Production grade logging through Winston. - Email templating with Pug.

JotPad

A minimalistic, distraction-free Rich Text editor that helps you draft your thoughts into concrete rich texts. Using this app, you can write notes, poems, essays, novels, stories, screenplays, drafts, and even your grocery shopping list! Just open the app wherever you are and conveniently ‘jot’ your thoughts into words without losing your content. Tech stack - Flutter, Firebase, RevenueCat SDK, Facebook and Google Ads integration.

Work History

I

Senior Full Stack AI Engineer

IdylloFull-time EmployeeMar 2025 - Mar 2026 • 1 yr 1 mo• Spearheaded an LLM-driven data ingestion pipeline to normalize and map complex, hierarchical onboarding data into schema-safe product and production-rate models. • Reduced LLM assistant token consumption and latency by 27% via React state normalization, payload compression, and cleanup of unused editor state. • Built RAG-based AI workflows with Langchain and integrated LangSmith for observability, evaluation, and tracing of multimodal quoting pipelines. • Implemented an LLM-powered natural-language command editor enabling estimate modifications via verbal & NL commands, eliminating 34% of interaction mode switches and 37% of manual UI clicks. • Boosted developer productivity and code quality by creating reusable, context-aware AI rules using Cursor’s .mdc framework across a multi-module React app. • Spearheaded development of a multimodal quoting platform for residential painting services using MERN, AWS (Elastic Beanstalk, S3, Cognito, MongoDB), and OpenAI’s GPT-4o and Whisper.
L

Senior Full Stack Engineer

Let's Hang!Full-time EmployeeOct 2023 - May 2025 • 1 yr 8 mos• Led the implementation of OpenAI GPT APIs for event suggestion generation and integrated DALL·E for flyer image generation. Designed and optimized a recommendation and event success algorithm to enhance user engagement and event performance. • Addressed failing tests to ensure code reliability, instituted a comprehensive code review process for junior developers, and established guidelines and style guides for a cohesive and high-quality codebase. • Streamlined Stripe integration for payments for paid events, ensuring robust security measures and conducting comprehensive vulnerability testing to safeguard user transactions. • Enhanced data security with scheduled Firestore backups, migrated to TypeScript for improved code maintainability and enabled Over-The-Air (OTA) updates for Expo projects. • Upgraded the development toolchain with Husky pre-commit hooks, linting, and automated CI/CD.
S

Backend Engineer

Sublime Data SystemsFull-time EmployeeMay 2022 - Nov 2023 • 1 yr 7 mos• Overhauled the development toolchain of the company, bringing in features such as TypeScript, ES6, unit testing, bundling, linting, and automated CI/CD • Spearheaded the development of high-performance webhooks, integrating them with WebSockets, resulting in a 30% faster message delivery. • Automated cron jobs reduced manual data cleanups by 90% and improved PostgreSQL query execution performance by 40% by restructuring database schema. • Utilized git submodules to streamline the combined repository, cutting deployment time in half, enhancing code maintainability, and facilitating a more efficient development workflow. • Led a team of software engineers in developing backend infrastructure, successfully delivering functional web applications that met or exceeded client requirements and expectations.
I

Software Engineer

iCitizenContract EmployeeJan 2024 - Apr 2024 • 4 mos• Developed Alexa skills using the Alexa Skills Kit (ASK), enabling voice interactions through custom intents and natural language understanding. • Created and managed AWS Lambda functions to handle business logic and integrate with services like DynamoDB for Alexa skill backends.
I

Software Engineer

INDUSTRY PDXFreelancerJan 2022 - Apr 2022 • 4 mos• Designed and implemented a high-impact software solution to efficiently analyze an electronic board game and translate over 50 game piece positions into data tables and functions accessible via an API. • Worked directly with the libraries analyzing the game and reading data from the electronic board, implementing optimizations that resulted in a 30% improvement in-game data processing speed, facilitating seamless interaction between developers and the board game hardware. • Maintained a near-zero tech debt throughout the project, ensuring long-term sustainability and ease of maintenance.
I

Mobile App Engineer

IonioJun 2021 - Oct 2021 • 5 mos• Developed a cross-platform mobile app seamlessly interacting with Twitter API through Firebase Cloud Functions, enhancing user experience by significantly reducing the build size to approximately 25 MBs. • Implemented robust data caching mechanisms, reducing data transfer and eliminating unnecessary API calls, resulting in a substantial 20% decrease in mobile data usage for app users. • Leveraged Webflow SDK to manage user website metadata in the app, skillfully utilized JavaScript libraries for Mapbox API to provide users with advanced geolocation functionalities and features.
C

Backend Engineer

CodantoContract EmployeeJul 2022 - Nov 2022 • 5 mos• Collaborated on the backend system for an IoT-capable mobile app, optimizing express middlewares for a 30% faster data retrieval. • Implemented caching mechanisms through Redis that reduced server response times, leading to a 15% overall app performance improvement. • Introduced TypeScript and used enums for better type checking, enhanced code consistency by utilizing shared types between the frontend and backend. • Implemented a database sharding strategy to horizontally scale and distribute data, resulting in a significant improvement in system scalability and performance. Integrated and worked with PostGIS to manage and query geolocation data.

Education

Conestoga College

Postgraduate Degree, Mobile Solutions And DevelopmentJan 2024 - Sep 2025
C

Chandigarh University

Bachelor's Degree, Computer Science and EngineeringJul 2019

How Pangea Works

Effortlessly discover top talent

We've distilled the candidate search from endless hours down to just a few minutes. Using Pangea's AI-powered search tools, you can find top fractional talent able to take on your next project. Our system looks at your company's niche and your needs to find the perfect match faster than any traditional hiring platform.

Start working with talent today

The top talent on Pangea is ready to get started with you right now. You can message or hire a candidate right from their profile page and start assigning work as soon as they respond. And the best part? Pangea's fractional contract structure lets you start small and ramp up as your needs change, keeping your costs manageable and your team's capabliities flexible.

Track work and invoices in one place

Assign tasks, track progress, and complete invoices all on Pangea. We've combined every part of the hiring process into one platform to eliminate the miscommunication that's unavoidable on other freelance platforms. We even send out 1099s to your contractors at the end of the year!

Talk with a Talent Expert

Members of our team are available to help you speed through the hiring process.
Available Now
Book a Call
Pangea empowers fractional work across the world for marketing and design roles.