I am a software engineer who loves turning complex problems into clean, scalable software. I specialize in building web and cloud-based platforms using React, Node.js, Java Spring Boot, and AWS, delivering maintainable code and robust APIs. I thrive on performance tuning and thoughtful architecture that scales with business needs. I enjoy collaborating with cross-functional teams to deliver valuable features, automate pipelines, and continuously improve the software delivery lifecycle. I'm always eager to learn new technologies and apply them to real-world challenges to help products succeed.…

Mark Anthony Tolentino

I am a software engineer who loves turning complex problems into clean, scalable software. I specialize in building web and cloud-based platforms using React, Node.js, Java Spring Boot, and AWS, delivering maintainable code and robust APIs. I thrive on performance tuning and thoughtful architecture that scales with business needs. I enjoy collaborating with cross-functional teams to deliver valuable features, automate pipelines, and continuously improve the software delivery lifecycle. I'm always eager to learn new technologies and apply them to real-world challenges to help products succeed.…

Available to hire

I am a software engineer who loves turning complex problems into clean, scalable software. I specialize in building web and cloud-based platforms using React, Node.js, Java Spring Boot, and AWS, delivering maintainable code and robust APIs. I thrive on performance tuning and thoughtful architecture that scales with business needs.

I enjoy collaborating with cross-functional teams to deliver valuable features, automate pipelines, and continuously improve the software delivery lifecycle. I’m always eager to learn new technologies and apply them to real-world challenges to help products succeed.

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Skills

Experience Level

Node.js
Expert
Python
Expert
AWS
Expert
TypeScript
Expert
JavaScript
Expert
Java
Expert
Docker
Expert
CSS
Expert
Amazon Web Services
Expert
SQL
Expert
Spring
Expert
React JS
Expert
PostgreSQL
Expert
Kubernetes
Expert
Django
Expert
GraphQL
Expert
HTML5
Expert
Laravel
Expert
MongoDB
Expert
MySQL
Expert
Tailwind
Expert
Github
Expert
Express
Expert
C#
Expert
Redis
Expert
Bootstrap
Expert
Go
Expert
DynamoDB
Intermediate
Azure
Intermediate
Stripe
Intermediate
Selenium
Intermediate
Ruby
Intermediate
PayPal
Intermediate
Cassandra
Intermediate
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Language

Javanese
Fluent
Aragonese
Advanced
Afar
Intermediate
English
Fluent

Work Experience

Software Engineer at Bookipi
September 1, 2025 - October 24, 2025
Developed, optimized, and maintained high-performance backend services and APIs using Node.js, NestJS, and TypeScript for the company’s financial management platform. Migrated legacy services to AWS Lambda and containerized microservices, improving scalability and reducing infrastructure costs by 25%. Implemented GraphQL APIs for analytics dashboards, enhancing data retrieval efficiency. Collaborated with cross-functional teams to deliver new invoice automation features that increased customer satisfaction scores by 18%.
Software Engineer at CodingChiefs
April 1, 2023 - October 24, 2025
Remote full-stack engineer delivering end-to-end web applications using React, Laravel, and Django. Designed and implemented modular, reusable UI components with Next.js and TailwindCSS, improving frontend development efficiency by 30%. Built secure REST and GraphQL APIs supporting thousands of concurrent users. Integrated third-party APIs (Stripe, PayPal, Firebase, SendGrid) to expand client feature sets.
Backend Developer (Intern) at Xendit
May 1, 2020 - October 24, 2025
Engineered robust backend systems for a fintech payment gateway handling millions of daily transactions. Designed and developed Java Spring Boot microservices integrated with PostgreSQL and Redis, improving request handling speed by 45%. Created internal APIs for transaction tracking and fraud detection using Flask and GraphQL. Worked closely with the DevOps team to deploy and monitor services using AWS ECS, CloudWatch, and Kubernetes.
Software Engineer at Bookipi
September 1, 2025 - October 26, 2025
Developed, optimized, and maintained high-performance backend services and APIs using Node.js, NestJS, and TypeScript for the company’s financial management platform. Migrated legacy services to AWS Lambda and Dockerized microservices, improving scalability and reducing infrastructure costs by 25%. Implemented GraphQL APIs for analytics dashboards, enhancing data retrieval efficiency. Collaborated with cross-functional teams to deliver new invoice automation features that increased customer satisfaction scores by 18%.
Software Engineer at CodingChiefs
April 1, 2023 - October 26, 2025
Remote full-stack engineer for multiple international clients, delivering end-to-end web applications using React, Laravel, and Django. Designed and implemented modular, reusable UI components with Next.js and TailwindCSS, improving frontend development efficiency by 30%. Built secure REST and GraphQL APIs supporting thousands of concurrent users. Integrated third-party APIs (Stripe, PayPal, Firebase, SendGrid) to expand client feature sets.
Backend Developer (Intern) at Xendit
May 1, 2020 - October 26, 2025
Engineered robust backend systems for a fintech payment gateway handling millions of daily transactions. Designed and developed Java Spring Boot microservices integrated with PostgreSQL and Redis, improving request handling speed by 45%. Created internal APIs for transaction tracking and fraud detection using Flask and GraphQL. Worked closely with the DevOps team to deploy and monitor services using AWS ECS, CloudWatch, and Kubernetes.
Software Engineer at Bookipi
September 1, 2025 - September 1, 2025
Developed, optimized, and maintained high-performance backend services and APIs using Node.js, NestJS, and TypeScript for the company’s financial management platform. Migrated legacy services to AWS Lambda and Dockerized microservices, improving scalability and reducing infrastructure costs by 25%. Implemented GraphQL APIs for analytics dashboards, enhancing data retrieval efficiency. Collaborated with cross-functional teams to deliver invoice automation features that improved customer satisfaction scores by 18%.
Software Engineer at CodingChiefs
April 1, 2023 - April 1, 2023
Remote full-stack engineer for multiple international clients, delivering end-to-end web applications using React, Laravel, and Django. Designed and implemented modular, reusable UI components with Next.js and TailwindCSS, improving frontend development efficiency by 30%. Built secure REST and GraphQL APIs supporting thousands of concurrent users. Integrated third-party APIs (Stripe, PayPal, Firebase, SendGrid) to expand client feature sets.
Backend Developer (Intern) at Xendit
May 1, 2020 - May 1, 2020
Engineered robust backend systems for a fintech payment gateway handling millions of daily transactions. Designed and developed Java Spring Boot microservices integrated with PostgreSQL and Redis, improving request handling speed by 45%. Created internal APIs for transaction tracking and fraud detection using Flask and GraphQL. Worked closely with the DevOps team to deploy and monitor services using AWS ECS, CloudWatch, and Kubernetes.
Software Engineer at Bookipi
July 1, 2023 - September 1, 2025
Developed, optimized, and maintained high-performance backend services and APIs for the company's financial management platform using Node.js, NestJS, and TypeScript. Migrated legacy services to AWS Lambda and Dockerized microservices, enhancing scalability and reducing infrastructure costs by 25%. Implemented GraphQL APIs for analytics dashboards, elevating data retrieval efficiency. Collaborated with cross-functional teams to deliver new invoice automation features that increased customer satisfaction scores by 18%.
Software Engineer at CodingChiefs
August 1, 2020 - April 1, 2023
Remote full-stack engineer for multiple international clients, delivering end-to-end web applications using React, Laravel, and Django. Designed and implemented modular, reusable UI components with Next.js and TailwindCSS, improving frontend development efficiency by 30%. Built secure REST and GraphQL APIs supporting thousands of concurrent users. Integrated third-party APIs (Stripe, PayPal, Firebase, SendGrid) to expand client feature sets.
Backend Developer (Intern) at Xendit
September 1, 2019 - May 1, 2020
Engineered robust backend systems for a fintech payment gateway handling millions of daily transactions. Designed and developed Java Spring Boot microservices integrated with PostgreSQL and Redis, improving request handling speed by 45%. Created internal APIs for transaction tracking and fraud detection using Flask and GraphQL. Worked closely with the DevOps team to deploy and monitor services using AWS ECS, CloudWatch, and Kubernetes.

Education

Bachelor of Science (B.S.) in Information Technology at Angeles University
June 1, 2015 - June 1, 2019
Bachelor of Science in Information Technology at Angeles University
June 1, 2015 - June 1, 2019
Bachelor of Science (B.S.) Information Technology at Angeles University
June 1, 2015 - June 1, 2019
Bachelor of Science (B.S.), Information Technology at Angeles University
June 1, 2015 - June 1, 2019
Bachelor of Science (B.S.), Information Technology at Angeles University
June 1, 2015 - June 1, 2019
Bachelor of Science (B.S.), Information Technology at Angeles University
June 1, 2015 - June 1, 2019
Bachelor of Science (B.S.), Information Technology at Angeles University
June 1, 2015 - June 1, 2019

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Financial Services, Computers & Electronics, Professional Services, Media & Entertainment

Skills

Experience Level

Node.js
Expert
Python
Expert
AWS
Expert
TypeScript
Expert
JavaScript
Expert
Java
Expert
Docker
Expert
CSS
Expert
Amazon Web Services
Expert
SQL
Expert
Spring
Expert
React JS
Expert
PostgreSQL
Expert
Kubernetes
Expert
Django
Expert
GraphQL
Expert
HTML5
Expert
Laravel
Expert
MongoDB
Expert
MySQL
Expert
Tailwind
Expert
Github
Expert
Express
Expert
C#
Expert
Redis
Expert
Bootstrap
Expert
Go
Expert
DynamoDB
Intermediate
Azure
Intermediate
Stripe
Intermediate
Selenium
Intermediate
Ruby
Intermediate
PayPal
Intermediate
Cassandra
Intermediate
See more