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Karl J. — Mid-Level Software Engineer from Philippines

Karl J.

Mid-Level Software Engineer

Philippines 6+ years
Open to offersNew to Platform
Languages
English
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About

Karl J. is an accomplished Software Engineer with a robust track record in building and optimizing technology solutions for diverse environments. Specializing in JavaScript and its frameworks like React and Node.js, he has effectively contributed to both frontend and backend development. His work at companies like Evolutionflight.com and Open AI has seen him develop scalable RESTful APIs, enhance system reliability, and integrate data solutions across platforms. With a firm grasp of AI tools such as OpenAI API and a keen focus on automation, Karl's achievements include reducing error rates and improving system performance. Throughout his career, from compulsory service with EDEKA Group to freelancing, his commitment to excellence is evident through his successful deployment of SaaS tools, real-time analytics, and e-commerce features. Karl's educational foundation in Computer Science and Engineering, alongside his Data Science studies, supports his technical acumen, which consistently meets client satisfaction and business objectives.

Experience

  • Backend Engineer

    Evolutionflight.com · 2023 — Present
    Developed and sustained Node.js APIs to support real-time workflows. Engaged in automation pipelines and backend services while collaborating within a fully remote team and maintaining fast iteration cycles. Integrated databases such as MongoDB and Redis for efficient data management.

  • Intermediate Software Engineer

    Open AI · 2021 — 2022
    Created and maintained multiple React + Node.js applications designed for multi-tenant SaaS workflows. Optimized RESTful API endpoints, significantly enhancing response times. Implemented role-based access control (RBAC) and authentication systems catering to a large user base. Worked in a remote team to ensure bi-weekly feature releases and contributed to system reliability by troubleshooting performance bottlenecks.

  • SOFTWARE ENGINEER & SECURITY RESEARCHER (COMPULSORY MILITARY SERVICE)

    EDEKA Group · 2018 — 2020
    Developed and launched numerous web application features for both e-commerce and internal business systems. Created responsive frontend interfaces alongside backend services for thousands of daily users. Effectively translated business needs into functional production features while consistently achieving sprint deadlines. Enhanced application performance and load times through optimization efforts.

  • Self-Employed

    Upwork.com | Freelancer.com · 2015 — 2017
    Delivered a variety of MERN stack projects for clients across Germany, the US, and Australia, including admin dashboards and e-commerce backends. Managed the entire software development life cycle from requirements gathering to deployment while focusing on performance optimization and client satisfaction.

Skills & Expertise

German (Fluent)AI EngineerSquarespaceBackend DeveloperFull Stack Developer

Education

  • Bachelor of Science in Computer Science and Engineering
    Ateneo de Manila University · 2013 — 2017
  • Bachelor of Science in Data Science
    STI College · 2010 — 2013