Building digital experiences with passion

"Simplicity is the soul of efficiency." - Austin Freeman

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© 2026 Abel Sintaro. All rights reserved

Abel Sintaro

Software Engineer

Software Engineer specializing in cloud microservices and scalable commerce systems using .NET, AWS, and React.

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Tech Stack

Javascript icon

Javascript

GraphQL icon

GraphQL

GitHub Actions icon

GitHub Actions

OpenSearch icon

OpenSearch

Nextjs icon

Nextjs

Datadog icon

Datadog

.Net icon

.Net

AWS icon

AWS

Git icon

Git

React icon

React

TypeScript icon

TypeScript

C# icon

C#

Javascript icon

Javascript

GraphQL icon

GraphQL

GitHub Actions icon

GitHub Actions

OpenSearch icon

OpenSearch

Nextjs icon

Nextjs

Datadog icon

Datadog

.Net icon

.Net

AWS icon

AWS

Git icon

Git

React icon

React

TypeScript icon

TypeScript

C# icon

C#

Javascript icon

Javascript

GraphQL icon

GraphQL

GitHub Actions icon

GitHub Actions

OpenSearch icon

OpenSearch

Nextjs icon

Nextjs

Datadog icon

Datadog

.Net icon

.Net

AWS icon

AWS

Git icon

Git

React icon

React

TypeScript icon

TypeScript

C# icon

C#

Javascript icon

Javascript

GraphQL icon

GraphQL

GitHub Actions icon

GitHub Actions

OpenSearch icon

OpenSearch

Nextjs icon

Nextjs

Datadog icon

Datadog

.Net icon

.Net

AWS icon

AWS

Git icon

Git

React icon

React

TypeScript icon

TypeScript

C# icon

C#

Work Experience

December 2023 - Present

Software EngineerPolestar
  • •Core contributor on a commerce microservices team, working closely with cross-functional stakeholders to support and improve the daily experience of end users.
  • •Handle and streamline event flows from the car factory, contributing to the reliability and efficiency of the broader system.

2023 - 2024

Co-founder & Solution ArchitectByte Kitchen
  • •Co-founded and architected a platform aimed at modernizing and streamlining restaurant operations.
  • •Built a team of four developers, establishing technical direction and development practices.
  • •Designed and implemented the backend architecture using .NET and AWS, focusing on scalability and reliability.
  • •Defined system structure and guided key technical decisions across the product lifecycle.

May 2022 - December 2023

Software EngineerPolestar via SALT (School of Applied Technology)
  • •Initially joined as a consultant before being brought on as a full-time employee.
  • •Core contributor on a commerce microservices team, working closely with cross-functional stakeholders to support and improve the daily experience of end users.
  • •Handle and streamline event flows from the car factory, contributing to the reliability and efficiency of the broader system.

May 2021 - September 2021

Full-stack DeveloperDin Psykolog
  • •Contributed as a full-stack developer in a small, fast-moving team building a platform that enables psychologists to communicate with their patients.
  • •Maintained and improved production code across both frontend (React) and backend (Node.js) components.
  • •Worked under the guidance of a senior developer, incorporating code reviews and feedback to improve code quality and development practices.
  • •Collaborated with the team using GitLab for version control and project management.

May 2021 - August 2021

React FrontendVirtual Connections
  • •Coordinated task planning and worked closely with UI/UX designers to ensure smooth and accurate implementation of design components.
  • •Built and optimized the frontend using Next.js, Material-UI, and Firebase, improving user experience and interface responsiveness for a yoga session platform.

September 2019 - November 2019

Teaching AssistantLinnaeus University
  • •I assisted students in the laboratory, offering guidance and support in understanding course materials and completing assignments.
  • •I evaluated and graded student assignments.

Education

January 2022 - April 2022

Full-stack .Net(C#) developmentSALT (School of applied technology)
  • •Selected for an intensive Full-Stack .NET Bootcamp from a pool of 1,500 applicants.
  • •Completed hands-on training in .NET (C#), TDD, JavaScript, TypeScript, and React.
  • •Applied Agile methodologies, SOLID principles, and modern software engineering best practices throughout the program.

2019 - 2020

Computer Management and Network DesignHalmstad University
  • •Completed a one-year Cisco networking program with a strong emphasis on hands-on lab work and practical network configuration.

2015 - 2020

B.S Computer Science / Network securityLinnaeus University
  • •Bachelor’s degree in Computer Science with a focus on Network Security.
  • •Gained a solid foundation in computer networks, secure system design, and core software development principles.
...Abel gave his opinions wisely and questioned tasks and requirements, which led to fruitful discussions and improved solutions. He will be a great addition to any software development team.

Magnus Bondesson

CTO at Din Psykolog

Abel is genuine, loyal, hardworking and persistent in his work and he contributed with both ideas, development and teambuilding...absolutely recommend him for any employer that's looking to strengthen up their tech team.

Carl-Johan Örndahl

CEO at Virtual Connections