Muhammad Soleh Fajrin
Software Design Engineer Backend
Jakarta,JK
Summary
Software developer with expertise in designing and implementing software solutions for complex business challenges. Proficient in various programming languages and frameworks, with a proven track record of enhancing system performance through strategic updates. Strong skills in algorithm design, system architecture, and code optimization, contributing to successful project outcomes. Known for effective collaboration and communication, ensuring timely project delivery and team success.
Overview
9
9
years of professional experience
6
6
years of post-secondary education
1
1
Certification
3
3
Languages
Work History
Software Design Engineer Backend
Global Digital Niaga .Ltd (Blibli.com)
Jakarta, Indonesia
06.2022 - Current
- Architected and maintained robust APIs and backend services using Java Spring Boot with optimized database integration.
- Developed responsive, accessible user interfaces utilizing React, Vue, or Angular through collaboration with design teams.
- Spearheaded technical planning, estimations, and design reviews for complex features and system upgrades.
- Mentored junior and mid-level developers through code reviews and technical guidance sessions.
- Championed clean code practices, modular architecture, and CI/CD processes to enhance codebase quality.
- Collaborated with DevOps to containerize applications with Docker and orchestrate Kubernetes deployments.
- Drove cross-functional collaboration with product managers, designers, QA, and stakeholders to align execution with business objectives.
- Diagnosed performance bottlenecks and implemented monitoring to optimize system reliability.
Senior Software Development Engineer Fullstack
Global Digital Niaga .Ltd (Blibli.com)
08.2019 - 09.2019
- Led the end-to-end development of full-stack applications, delivering scalable web platforms and tools using modern front-end and back-end technologies.
- Architected, developed, and maintained robust APIs and backend services using Java and Spring MVC, the main programming language.
- Built responsive, accessible, and high-performance user interfaces using React, Vue, or Angular, collaborating closely with design teams to ensure optimal UX.
- Spearheaded technical planning, estimations, and design reviews for complex feature sets and system upgrades.
- Mentored and coached junior and mid-level developers through code reviews, technical guidance, and pairing sessions.
- Championed clean code practices, modular architecture, automated testing, and CI/CD processes to ensure codebase quality and delivery efficiency.
- Drove cross-team collaboration, working with product managers, designers, QA, and stakeholders to align technical execution with business goals.
- Diagnosed and resolved performance bottlenecks, implemented monitoring, and optimized end-to-end system reliability.
Software Development Engineer Fullstack/Android De
Global Digital Niaga .Ltd (Blibli.com)
08.2018 - 07.2019
- Designed and maintained frontend and backend components of web applications using Java and ReactJs/AngularJs.
- Developed native Android applications with Kotlin and Java, ensuring high performance.
- Created unit, integration, and UI tests for both web and Android platforms.
- Debugged bugs, performance issues, and crashes across various systems.
- Optimized applications for enhanced speed, scalability, and stability.
- Collaborated with product managers, UI/UX designers, and developers in Agile environment.
- Participated in sprint planning, daily stand-ups, and retrospectives to align team goals.
- Conducted code reviews and facilitated knowledge sharing within team.
Associate Software Developer Fullstack
Global Digital Niaga .Ltd (Blibli.com)
04.2017 - 07.2018
- Designed and implemented new features on frontend and backend in collaboration with the team.
- Wrote clean, maintainable code using modern technologies and best practices, with Java and ReactJS as the main programming languages.
- Debugged and troubleshot technical issues across entire stack.
- Collaborated with UI/UX designers to integrate visual elements for consistent user experience.
- Participated in code reviews, unit testing, and integration testing to ensure quality.
- Monitored and resolved bugs, performance issues, and security vulnerabilities.
- Engaged in Agile/Scrum methodologies, attending daily standups and sprint planning sessions.
Software Development Intern
Global Digital Niaga .Ltd (Blibli.com)
03.2016 - 02.2017
- Assisted in designing, developing, and testing web and mobile applications under senior developers' guidance.
- Wrote clean and maintainable code in Java and Spring MVC.
- Collaborated with cross-functional teams to deliver timely solutions based on project requirements.
- Participated in Agile rituals including daily stand-ups, sprint planning, and code reviews.
- Developed and integrated RESTful APIs with third-party services.
- Performed debugging and troubleshooting for assigned modules and features.
- Contributed to internal technical documentation and knowledge base development.
- Utilized Git for version control while adhering to standard commit practices.
Education
No Degree - Behavioral Informatics
Shizuoka University
Hamamatsu, Japan 10.2021 - 03.2022
No Degree - Japanese
Syonan Academy Hamamatsu Campus
Hamamatsu 10.2019 - 09.2021
Bachelor of Computer Science - Computer Science
Bachelor of Computer Science
Jakarta, Indonesia 10.2013 - 08.2017
Skills
Java
Spring Boot
Reactive Programming
Software Design
Git
Google Cloud Platform (GCP)
SQL and non-SQL
Elasticsearch
JUnit
WireMock Testing (Integration Test)
Kubernetes
Apache Kafka
CI/CD
Redis
Web development
Certification
Japanese Proficiency N2
Timeline
Software Design Engineer Backend
Global Digital Niaga .Ltd (Blibli.com)
06.2022 - Current
No Degree - Behavioral Informatics
Shizuoka University
10.2021 - 03.2022
Japanese Proficiency N2
08-2021
No Degree - Japanese
Syonan Academy Hamamatsu Campus
10.2019 - 09.2021
Senior Software Development Engineer Fullstack
Global Digital Niaga .Ltd (Blibli.com)
08.2019 - 09.2019
Software Development Engineer Fullstack/Android De
Global Digital Niaga .Ltd (Blibli.com)
08.2018 - 07.2019
Associate Software Developer Fullstack
Global Digital Niaga .Ltd (Blibli.com)
04.2017 - 07.2018
Software Development Intern
Global Digital Niaga .Ltd (Blibli.com)
03.2016 - 02.2017
Bachelor of Computer Science - Computer Science
Bachelor of Computer Science
10.2013 - 08.2017
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