John Lien

Technical Leader and Entrepreneur

About Me

I am an experienced technical leader and entrepreneur, currently serving as a Software Engineering Manager at Oracle and the Technical Advisor of a cybersecurity startup. With a solid background in software engineering and a passion for innovation, I have a proven track record of building scalable solutions and driving technical excellence across diverse industries.My career spans roles as a Principal Software Engineer, investor, and technical advisor in various companies, including Microsoft and Oracle, where I have contributed to complex projects and led high-performing teams. I founded DetectBee, a cybersecurity company focused on scalable solutions for vendor and customer security, demonstrating my entrepreneurial spirit and commitment to solving real-world challenges.I hold a Master's degree in Computer Science from the State University of New York at Albany and have been actively involved in developing cutting-edge tools and technologies for threat intelligence and cybersecurity automation.When I'm not immersed in tech, I enjoy exploring new business opportunities and mentoring the next generation of innovators. Let’s connect if you’re interested in discussing technology, startups, or collaborative ventures!

Work

Oracle
Software Engineering Manager
July 2024 – Present
- Leading a team of engineers to develop enterprise-level applications.Principal Software Engineer, Enterprise Application
January 2023 – June 2024
- Developed and maintained critical enterprise applications, contributing to significant improvements in performance and scalability.SpeechSplashNY
Investor
April 2024 – Present
- Providing strategic investment and guidance to drive growth and innovation.Vibrant
Investor
January 2024 – Present
- Supporting the company's mission to streamline cybersecurity processes.Technical Advisor
December 2022 – Present
- Advising on technical strategy and implementation to enhance productivity and ROI.DetectBee
Founder & CTO
January 2020 – January 2023
- Founded and led a cybersecurity startup focused on scalable solutions for managing security across large networks of vendors and customers.
- Drove product development and market strategy, achieving a 150% ROI.Microsoft
Software Engineer (Contract)
October 2021 – October 2022
- Contributed to the development of software solutions for enterprise clients, ensuring quality and timely delivery.Cubic Corporation
Principal Software Engineer
April 2019 – October 2021
- Led a team in the development of software systems for defense and transportation sectors.ReconMetrics
Founder
November 2018 – January 2020
- Developed cybersecurity tools for threat intelligence, automated decision-making, and threat remediation.Orbital ATK
Principal Software Engineer
December 2018 – April 2019
- Provided technical leadership for complex software engineering projects.Senior Software Engineer
March 2017 – December 2018
- Developed and maintained software solutions for mission-critical applications.General Dynamics Mission Systems
Senior Software Engineer
June 2015 – March 2017
- Designed and implemented software for secure communication systems.Pearson Education
Consultant
April 2014 – May 2015
- Provided consultancy services for the development of educational software products.The Institute for Informatics, Logics and Security Studies (ILS)
Software Developer
May 2012 – February 2015
- Developed software for research in informatics and security studies.

  • Founded and scaled a cybersecurity startup to a valuation of $1.6M, securing investment.

  • Successfully signed pilot customers for a cybersecurity venture.

  • Modernized internal systems at Microsoft, leading to a 30% increase in operational efficiency.

  • Developed and scaled a serverless infrastructure using AWS services, partnering with industry leaders.

  • Professional SAFe Scrum Master Certification.

  • Professional SAFe Product Owner Certification.

  • Proficient in React, Node.js, C/C++, Python, Java.

  • Experienced with OCI, AWS, Azure, Docker, Kubernetes.

  • Skilled in databases such as Postgres, MySQL, DynamoDB, RDS.

  • Publication: "The Argument X Algorithm".

  • Publication: "Seam Carving Using The Laplacian Pyramid".

  • Publication: "Social, Security, and Privacy Implications of Modern Computing".

Contact

Feel free to connect with me through any of the platforms below! Whether you have a project in mind, a question, or just want to network, I’m always open to new opportunities and conversations.