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Engineering leader and hands-on CTO with 13+ years of experience building SaaS platforms and the engineering teams behind them. Author of React - The Road To Enterprise and Vue - The Road To Enterprise. Speaker at React Summit, React Advanced London, and Vue Amsterdam.
I'm currently contracting as Engineering Lead at Kaya AI, an AI-powered construction supply chain platform, where I lead 12 engineers and client-facing leads and own the product and client roadmaps. I made a core product that stalled on large data sets respond in under a second (key actions from 10+ seconds, data loading, search and filtering from ~15-20 seconds to ~1 second), cut data loading for non-English users from 30+ seconds to under one, and built a shared library of AI development workflows (spec review, multi-agent implementation and PR review, ticket creation) that 17 engineers adopted within two months, raising per-engineer delivery throughput by ~25%. I also shipped Amber Insights, an AI risk-analysis feature for clients, and designed an enterprise-grade, policy-based permissions system.
Before that I contracted as CTO for IQONICS in the energy sector. I built the engineering function from zero, consolidated three separate codebases into a single multi-tenant white-label platform (tenant-isolated data, custom domain routing, and an RBAC permissions system built from scratch), found and fixed SQL injection and path traversal vulnerabilities in production, moved PDF generation that blocked the whole server for 60+ seconds onto background workers, and halved feature delivery time with AI-assisted development.
I still work hands-on across the full stack, but what I bring beyond it is the ability to make hard architectural calls, turn business needs into a plan a team can deliver, and follow through on it in production.
Credentials
I'm the author of "React - The Road To Enterprise" and "Vue - The Road To Enterprise," covering advanced patterns, scalability, and best practices for building production-grade applications (https://theroadtoenterprise.com/)
I've spoken at and led workshops at major international conferences including:
• React Summit — Composition vs Configuration: How to Build Flexible, Resilient and Future-proof Components (https://portal.gitnation.org/contents/composition-vs-configuration-how-to-build-flexible-resilient-and-future-proof-components)
• React Advanced London — Advanced Patterns for API Management in Large-Scale React Applications (https://portal.gitnation.org/contents/advanced-patterns-for-api-management-in-large-scale-react-applications)
• Vue Amsterdam — Vue Experts Panel & The Case Study of Findlay Web Tech (https://www.youtube.com/live/El8Jw2CFj7g?si=EUVzHQgAbtPNUAwq&t=5507)
• React Wednesdays — Best Practices for Testing React Apps (https://www.telerik.com/react-wednesdays/react-wednesdays-best-practices-for-testing-react-apps)
• GDG React Workshop — How to Handle APIs in React Applications
I've also written 50+ in-depth technical articles for the Telerik/Progress blog. I hold an MSc in Advanced Computer Science (Distinction) from the University of Exeter and a First-Class BSc in Web Design & Development from Northumbria University.
Technical Stack
• Leadership: Team leadership, hiring, product and client roadmaps, PRDs and technical specs, QA process, engineering standards
• AI: Claude Code, Cursor, multi-agent development workflows, LLM integration, AI-assisted code review
• Frontend: React, Next.js, Vue, Nuxt, React Native, TypeScript, TanStack
• Backend: Node.js, Express, Fastify, Python, FastAPI, PHP
• Databases: PostgreSQL, MySQL, MongoDB, Firebase, Supabase
• Infrastructure: AWS (incl. Lambda), Kubernetes, Docker, Celery, BullMQ, GitHub Actions, Datadog, PostHog, VPS
• Testing: Playwright, Vitest, Cypress, E2E & API test automation
• Security: Penetration testing, RBAC and policy-based permissions design, SQL injection & path traversal remediation
Who I Work With
Open to remote full-time and part-time contract roles as CTO, Head of Engineering, Engineering Lead, or Tech Lead, as well as senior full-stack engagements. Also available for architectural consulting, technical due diligence, and mentoring.
I am a **Multi-talented** professional adept in **Full Stack Web Development**, **Web Security Research**, and **Robotics Engineering**. As a dedicated Web Security Researcher and ethical hacker, I uncover vulnerabilities and mitigate security risks, bridging the gap between development and cybersecurity. Additionally, as a Robotics Engineer, I design and build sophisticated robotic systems, applying my deep understanding of mechanics, electronics, and programming. Passionate about crafting clean, scalable code and innovative robotics solutions, I contribute to projects that prioritize both robust development, cybersecurity practices, and cutting-edge robotic technology.
I have 20+ years of experience working in major software development projects internationally for innovation, engineering, the stock market and R&D supporting business goals.
My intention is always to turn my clients into independent problem solvers, capable of leveraging the knowledge required to accomplish their projects. I can help you to get a solid understanding of the concepts you need to deliver your project.
Feel welcome to book a 15-minute session to discuss your project before we start working together. Looking forward to assisting you in bridging your technical and/or academic gaps towards your desired outcome.
Warmest regards,
Vitor
# Summary
Leveraging over a decade of experience, I am a Full-Stack Engineer specializing in the architecture and scaling of sophisticated software solutions spanning multiple industries. My deep technical proficiency covers modern web frameworks, resilient backend systems, cloud infrastructure, and efficient CI/CD pipelines, promoting seamless product delivery. I am adept at leading initiatives from concept through production, consistently achieving a balance of velocity, quality, and maintainability to meet defined business requirements. My contributions extend beyond coding; I apply learned leadership principles to mentor engineers, optimize team workflows, and ensure technical roadmaps integrate tightly with overarching business strategies, driving impactful results in any organizational context.
# Website
[https://jacobheater.com](https://jacobheater.com)
# Skills
## Languages & Frameworks
- C#
- .NET Core
- .NET Framework
- Node.js
- Python
- JavaScript
- TypeScript
- SQL
- NoSQL
## Frontend Technologies
- React
- Angular
- jQuery
## Backend & API
- Express
- REST
- SOAP
- WCF
- SignalR
## DevOps & Infrastructure
- Docker
- Kubernetes
- Terraform
- CI/CD
- AWS
- Azure
## Tools & Methodologies
- Jira
- Agile
- Scrum
- TFS
- Git
Working at Amazon Lab126, completed Google Summer of Code 2015 and 2016, also mentored Google Code In 2015 and 2016.
Also an open source enthusiast. Have contributed a lot to open source projects. Most of my work can be found @ https://github.com/mananwason.
I began building websites in the 90s, did freelancing in the 00s, and have been working as a salaried software engineer at small and large companies in and around NYC since the 2010s.
Most of my experience is on the front-end but I've done a little of everything – frontend, backend, app development, infrastructure, cloud... Nowadays I'm focused more on *mentorship* and **big-picture thinking**. I've also become a bit of a specialist in "Dev Experience" and "Software Testing methodologies.
See the power of our Library Design tutors through glowing user reviews that showcase their successful Library Design learning journeys. Don't miss out on top-notch Library Design training.
“Great session with Joel discussing my portfolio and job application strategies. I've been working with Joel for around 2 years now and in that time I've built a very strong game dev portfolio. Joel has provided excellent support and guidance throughout this period. Great mentor and very experienced and knowledgeable about game dev and the industry.“
Zeshan Rasul / May 2026
Joel Gompert
Library Design tutor
“I really enjoyed the session and liked your teaching style. The explanations were clear, and I hope to continue learning with you.
One suggestion: I think it would be helpful to explain the benefit or purpose of each step. Knowing why we're doing something makes it easier to understand and remember. It would also be great if the steps could be shared afterward as a reference.“
Nouf / Aug 2026
Alok Agarwal
Library Design tutor
“A MILLION STARS for Samir's technical expertise, dedication and professionalism. He is truly talented and helps us tremendously every time in finding solutions and quick debugging. THANK YOU for everything Samir!!“
Ch Chan / Aug 2026
Samir Habib Zahmani
Library Design tutor
“Jason is great to work with. He approached me ready to meet me at my level and brought upmost professionalism and knowledge. His attention to security risks and how to solve them is top tier. Highly reccomended.“
thetreepirate / Aug 2026
Jason White
Library Design tutor
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We'll help connect you with a Library Design tutor that suits your needs.
Find the most suitable Library Design tutor by chatting with Library Design experts.
Arrange regular session times with Library Design tutors for one-on-one instruction.
Frequently asked questions
How to learn Library Design?
Learning Library Designeffectively takes a structured approach, whether you're starting as a beginner or aiming to improve your existing skills. Here are key steps to guide you through the learning process:
Understand the basics: Start with the fundamentals of Library Design. You can find free courses and tutorials online that cater specifically to beginners. These resources make it easy for you to grasp the core concepts and basic syntax of Library Design, laying a solid foundation for further growth.
Practice regularly: Hands-on practice is crucial. Work on small projects or coding exercises that challenge you to apply what you've learned. This practical experience strengthens your knowledge and builds your coding skills.
Seek expert guidance: Connect with experienced Library Design tutors on Codementor for one-on-one mentorship. Our mentors offer personalized support, helping you troubleshoot problems, review your code, and navigate more complex topics as your skills develop.
Join online communities: Engage with other learners and professionals in Library Design through forums and online communities. This engagement offers support, new learning resources, and insights into industry practices.
Build real-world projects: Apply your Library Design skills to real-world projects. This could be anything from developing a simple app to contributing to open source projects. Using Library Design in practical applications not only boosts your learning but also builds your portfolio, which is crucial for career advancement.
Stay updated: Since Library Design is continually evolving, staying informed about the latest developments and advanced features is essential. Follow relevant blogs, subscribe to newsletters, and participate in workshops to keep your skills up-to-date and relevant.
How long does it take to learn Library Design?
The time it takes to learn Library Design depends greatly on several factors, including your prior experience, the complexity of the language or tech stack, and how much time you dedicate to learning. Here’s a general framework to help you set realistic expectations:
Beginner level: If you are starting from scratch, getting comfortable with the basics of Library Designtypically takes about 3 to 6 months. During this period, you'll learn the fundamental concepts and begin applying them in simple projects.
Intermediate level: Advancing to an intermediate level can take an additional 6 to 12 months. At this stage, you should be working on more complex projects and deepening your understanding of Library Design’s more advanced features and best practices.
Advanced level: Achieving proficiency or an advanced level of skill in Library Design generally requires at least 2 years of consistent practice and learning. This includes mastering sophisticated aspects of Library Design, contributing to major projects, and possibly specializing in specific areas within Library Design.
Continuous learning: Technology evolves rapidly, and ongoing learning is essential to maintain and improve your skills in Library Design. Engaging with new developments, tools, and methodologies in Library Design is a continuous process throughout your career.
Setting personal learning goals and maintaining a regular learning schedule are crucial. Consider leveraging resources like Codementor to access personalized mentorship and expert guidance, which can accelerate your learning process and help you tackle specific challenges more efficiently.
How much does it cost to find a Library Design tutor on Codementor?
The cost of finding a Library Designtutor on Codementor depends on several factors, including the tutor's experience level, the complexity of the topic, and the length of the mentoring session. Here is a breakdown to help you understand the pricing structure:
Tutor experience: Tutors with extensive experience or high demand skills in Library Design typically charge higher rates. Conversely, emerging professionals might offer more affordable pricing.
Pro plans: Codementor also offers subscription plans that provide full access to all mentors and include features like automated mentor matching, which can be a cost-effective option for regular, ongoing support.
Project-based pricing: If you have a specific project, mentors may offer a flat rate for the complete task instead of an hourly charge. This range can vary widely depending on the project's scope and complexity.
To find the best rate, browse through our Library Design tutors’ profiles on Codementor, where you can view their rates and read reviews from other learners. This will help you choose a tutor who fits your budget and learning needs.
What are the benefits of learning Library Design with a dedicated tutor?
Learning Library Design with a dedicated tutor from Codementor offers several significant benefits that can accelerate your understanding and proficiency:
Personalized learning: A dedicated tutor adapts the learning experience to your specific needs, skills, and goals. This personalization ensures that you are not just learning Library Design, but exceling in a way that directly aligns with your objectives.
Immediate feedback and assistance: Unlike self-paced online courses, a dedicated tutor provides instant feedback on your code, concepts, and practices. This immediate response helps eliminate misunderstandings and sharpens your skills in real-time, making the learning process more efficient.
Motivation and accountability: Regular sessions with a tutor keep you motivated and accountable. Learning Library Design can be challenging, and having a dedicated mentor ensures you stay on track and continue making progress towards your learning goals.
Access to expert insights: Dedicated tutors often bring years of experience and industry knowledge. They can provide insights into best practices, current trends, and professional advice that are invaluable for both learning and career development.
Career guidance: Tutors can also offer guidance on how to apply Library Design in professional settings, assist in building a relevant portfolio, and advise on career opportunities, which is particularly beneficial if you plan to transition into a new role or industry.
By leveraging these benefits, you can significantly improve your competency in Library Design in a structured, supportive, and effective environment.
How does personalized Library Design mentoring differ from traditional classroom learning?
Personalized Library Design mentoring through Codementor offers a unique and effective learning approach compared to traditional classroom learning, particularly in these key aspects:
Customized content: Personalized mentoring adapts the learning material and pace specifically to your needs and skill level. This means the sessions can focus on areas where you need the most help or interest, unlike classroom settings which follow a fixed curriculum for all students.
One-on-one attention: With personalized mentoring, you receive the undivided attention of the tutor. This allows for immediate feedback and detailed explanations, ensuring that no questions are left unanswered, and concepts are fully understood.
Flexible scheduling: Personalized mentoring is arranged around your schedule, providing the flexibility to learn at times that are most convenient for you. This is often not possible in traditional classroom settings, which operate on a fixed schedule.
Pace of learning: In personalized mentoring, the pace can be adjusted according to how quickly or slowly you grasp new concepts. This custom pacing can significantly enhance the learning experience, as opposed to a classroom environment where the pace is set and may not align with every student’s learning speed.
Practical, hands-on learning: Mentors can provide more practical, hands-on learning experiences tailored to real-world applications. This direct application of skills is often more limited in classroom settings due to the general nature of the curriculum and the number of students involved.
Personalized mentoring thus provides a more tailored, flexible, and intensive learning experience, making it ideal for those who seek a focused and practical approach to mastering Library Design.