John Mark Olfindo Olesco

Professional Summary John Mark Olesco Software Engineer Level IV Email:-Contact: - Address : Catanduanes, Bicol Philippines GitHub: https://github.com/jmolesco LinkedIn: https://www.linkedin.com/in/john-markolesco-64aa4293/ ▪ Back-End: C#.net, .net core, ASP.net, ASP.net MVC, Entity Framework, LINQ, Lambda ▪ Front-End: Reactjs, HTML, CSS, Javascript, Telerik Kendo UI, React redux, Bootstrap, Ant Design, Material UI ▪ Databases: SQL, PostgreSQL, MYSQL, Stored Procedure, T-SQL, Functions, Triggers, Snowflakes ▪ Cloud Services: Microsoft Windows Azure (SQL, Blob, Keyvaults, App Insights, Document Intelligence), Kubectl, Docker, CICD Pipeline ▪ Project Architecture: Architecture, Onion Architecture, N-Tier Architecture, MVVM, MVC, Dependency Injection ▪ Design Patterns: Repository Pattern, Unit of Work ▪ Software Methodology: Agile Scrum, SDLC, Kanban ▪ Arch Global Services Philippines Inc - Software Engineer Level IV | Mar 2022 - Present • Ensured solutions conformed to best practices and enhanced system reliability. • Designed and coded new business functionality for strategic platforms, improving claim processing time by 50%. • Led cross-functional teams to deliver high-impact software solutions. ✓ Technologies: C#.net, .net core, ReactJS, Azure (SQL, Keyvault, App Insights, Document Intelligence), Microsoft Graph API, Kubectl, Docker, Entity Framework, RulesEngine, Agile, Unit of work ▪ Encora Philippines – Senior Software Developer (Contract) | Sept 2021 – Mar 2022 • Integrated payment channels like Apple Pay, Google Pay and Samsung Pay feature in enhancing user payment experiences. • Collaborated on system enhancements and feature development for mobile payment platforms. • Conducted trial runs of programs and software applications • Performed Level 1 support to business user by providing fix to the issue raised. ✓ Technologies: C#.net, .net core, Entity Framework, LINQ, Lambda, Agile, Repository Pattern ▪ PCCW Solution Limited – Senior Solution Analyst | Mar 2020 – Sept 2021 • Delivered middleware and customer-facing applications for the Hong Kong government. • Led a team in implementing .NET solutions and trained developers to expedite project timelines. • Created web-based applications for process automation and paper-based system conversion. • Mentored junior engineers, fostering a culture of continuous learning. • Developed innovative features, boosting customer satisfaction ratings. ✓ Technologies: C#.net, .net core, ReactJS, Entity Framework, Agile, Onion Architecture party Microsoft Libraries: Microsoft GraphAPI, RulesEngine, Fluent Validation, AutoMapper ▪ Other Professional Experience • Managing deployment of applications from DEV, QA, STAGING, COPY environment. Technical Skills ▪ 3rd for collaborative problem-solving and delivering impactful business solutions. significantly improving efficiency. ▪ Polytechnic University of the Philippines – Bachelor of Science in Information Technology Clean scalable applications and streamlining processes, achieving up to 50% efficiency improvements. Known • Streamlined the business process by 73% through the development of an automated triage feature, Education Background jQuery, ▪ Software Engineer with 10+ years of experience in .NET, ReactJS, and API development. Adept at creating tools: Git, GitHub, Jira, Confluence, Gitlab, Azure Dev ops, Team Foundation Server (TFS) ▪ Blotocol Incorporated Philippines -Senior Software Engineer | Apr 2018 – Apr 2020 • Collaborated with stakeholders to align tech solutions with business goals. • Conducted code reviews, ensuring high-quality standards and best practices. • Drove revenue growth by developing solutions that met market resulting in substantial employee bonuses. • Performed systems analysis and programming for software maintenance Achievements & Certifications ▪ 2024 – LEAP Training ▪ 2023 – Best Team Collaboration Award ▪ 2022 – Hall of Famer Awardee ▪ 2020 – Scrum Foundation Certificate Languages ▪ Filipino - Native or Bilingual Proficiency ▪ English - Professional Working Proficiency • Translated project specifications into codable flowcharts and technical requirements ✓ Technologies: C#.net, .net core, ReactJS, Azure (SQL, key vaults), Kubectl, Docker, Entity Framework, Redux, Nodejs, Python, Web scraper, Agile ▪ Strategic Synergy Inc & TIM Software - Programmer | Feb 2016 – Apr 2018 • Automated business processes through ERP development, streamlining client operations. • Analyzed client needs and develop software system from scratch based on requirements. • Contribute to team effort by accomplishing related results as needed. • Implemented cutting-edge technologies, enhancing system performance by 40% • Successfully collaborated with cross-functional teams to achieve shared goals and deliver impactful results. ✓ Technologies: C#.net, SDLC, Telerik Kendo UI, jQuery, Javascript, HTML, SQL, MVVM, MVC ▪ Wiki Malahini – Jr System Integration Developer | Apr 2014 – Nov 2015 • Demonstrated the business users and trained them on how to use the application. • Consistently delivered high-quality results while effectively collaborating with team members to achieve project objectives. • Successfully led the full software development lifecycle, from requirements analysis and design to implementation and testing. • Maintained and enhanced existing software systems by modifying program logic and code. ✓ Technologies: C#.net, SDLC, Bootstrap, jQuery, Javascript, HTML, SQL, MVVM, MVC, Webforms