Mark Dj Junio
Full Stack Developer
Taguig City,Metro Manila
Summary
Product Engineer with a strong foundation in technical sales, combining technical execution with business acumen to develop scalable web applications that drive commercial value. Specialized in managing the entire product lifecycle, from planning and database modeling to deployment and long-term scaling, while optimizing complex production codebase and integrating modern AI solutions. Acted as a strategic partner for high-growth product teams and startups, focusing on rapid delivery, clean code maintenance, and efficient scaling of data-heavy applications.
Overview
1
1
Language
10
10
years of professional experience
3
3
Years of Technical and Sales Manager
3
3
Years of Technical and Sales Assistant
Work History
Full Stack Engineer
Tonic Labs Ltd (Really Good Software)
Dublin
01.2024 - Current
- Developed scalable web applications using JavaScript frameworks and RESTful APIs.
- Optimized application performance through code refactoring and system architecture improvements.
- Implemented automated testing procedures to ensure code quality and functionality.
- Deployed applications on cloud platforms, streamlining deployment processes and improving scalability.
- Designed and maintained databases using SQL, ensuring data integrity and security.
- Collaborated with cross-functional teams to define project requirements and deliver solutions.
- Worked closely with product managers from conception through launch to address client needs and ensure successful project outcomes.
- Performed development, debugging, optimization and automation to support implementation of products and applications.
- Understood full technology stack and underlying applications, services and databases, resulting in optimal program performance.
Technical Mentor
Uplift Codecamp
08.2023 - 01.2024
- Guided mentees through personal and professional development initiatives.
- Developed tailored mentoring programs to address individual learning needs.
- Facilitated workshops on effective communication and leadership skills.
- Provided constructive feedback to enhance mentee performance and confidence.
- Monitored progress and adjusted strategies to ensure successful outcomes for participants.
- Offered constructive feedback on mentee progress, enabling them to refine their skills and enhance their potential.
Full Stack Developer Trainee
Uplift Code Camp
Taguig City
01.2023 - 07.2023
- Developed and designed personal web developer portfolio (https://dj-port.netlify.app/) to effectively showcase projects and skills to potential employers.
- Designed and implemented interactive game using vanilla JavaScript, highlighting problem-solving skills and core programming concepts.
- Developed multiple projects using React and JavaScript, illustrating strong proficiency in modern web development technologies.
- Designed and implemented an interactive game using vanilla JavaScript, showcasing problem-solving abilities and understanding of core programming concepts.
- Developed and designed a personal web developer portfolio (https://dj-port.netlify.app/) to showcase projects and skills.
Technical Sales Engineer
Eagle Wings Enterprises
Marikina
01.2017 - 01.2023
- Preparing and delivering technical presentations that demonstrate how the product or service works and meets the customer’s needs.
- Monitored industry trends, technologies, and competitors to inform sales strategies and product development.
- Assisted customers in resolving product usage issues and recommended enhancements tailored to their needs.
- Served as a technical resource for clients and sales team, addressing technical inquiries, resolving issues, and advising on product integration within client infrastructure.
Education
Bachelor of Science - Aeronautical Engineering
PATTS College of Aeronautics
Paranaque City, Philippines01-2017
Skills
Back-End Development
Database Management
Performance optimization
Responsive Design
Responsive web design
SQL database management
RESTful API integration
Timeline
Full Stack Engineer
Tonic Labs Ltd (Really Good Software)
01.2024 - Current
Technical Mentor
Uplift Codecamp
08.2023 - 01.2024
Full Stack Developer Trainee
Uplift Code Camp
01.2023 - 07.2023
Technical Sales Engineer
Eagle Wings Enterprises
01.2017 - 01.2023
Bachelor of Science - Aeronautical Engineering
PATTS College of Aeronautics
Tech Stack
- Core Stack: Ruby, JavaScript, Ruby on Rails, React.js
- Libraries & Databases: Mini-js, Hyperscript, SQL, PostgreSQL, MySQL,NoSQL
- Cloud & Analytics: AWS (SES, S3, EC2), PowerBI, Git, RESTful APIs
- AI-Assisted Workflows: Cursor, Claude Code, GitHub Copilot