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Python and AI expert with 5+ years of professional experience starting and managing VC backed startups engineering and design teams, as well as publishing Machine Learning research in top bio-medical journals.
Currently continuing research in diagnosing COVID from Lung Scans in partnership with Imperial University.
If there's anything I can help you with feel free to contact me, I always go above and beyond to ensure you get the best result.
I can help with:
- Machine Learning (Design and Implementation)
- Full Stack Development
- Bug Fixes and Issue Resolving
- Code Review
- Project Design and Implementation
- Cloud Setup
- Mentoring or Freelance
With 13+ years in the HighTech industry, including 9 years in FinTech, I specialize in building scalable, high-performance backend systems for eCommerce and financial platforms. My expertise lies in Java, Spring Boot, Microservices, Domain-Driven Design (DDD), and Relational Databases, ensuring businesses have reliable, efficient, and secure infrastructures.
Beyond my technical role, I am passionate about mentorship and community impact. I led a Backend Guild, fostering knowledge sharing and best practices across engineering teams. I also co-managed the Tech-Blogging Program at Baot, helping women in tech publish their first technical articles, and served as an Intuit Women’s Network ERG Leader, advocating for career growth and inclusion in tech.
Over the years, I played a pivotal role in architectural transformations and financial integrations, including:
✅**Hybrid SDK for Sensitive Data Detection (Intuit)** – Designed a Hybrid SDK that enabled dynamic configuration updates without requiring SDK version upgrades. Extracted validation logic from the SDK and represented it as mathematical expressions. This approach was secured through a patented method: Secure, Dynamically Loaded Input Validation Using Mathematical Expressions.
✅ **Monolith to Microservices Transition (Behalf)** – Led the company’s first microservice transition, mentored other teams, and introduced an Anti-Corruption Layer (ACL) to bridge legacy dependencies and ensure a smooth migration.
✅ **Wells Fargo Integration** – Engineered a seamless connection to enhance payment processing.
✅ **Cross River Bank & PPP Integration** – Led the integration efforts during the pandemic, enabling SMBs to access critical funding through the Paycheck Protection Program (PPP).
Now, as a freelance backend engineer, consultant, and mentor, I help businesses architect scalable eCommerce platforms, optimize payment flows, and build robust backend infrastructures tailored to their needs.
💡 What I Offer:🔹 **Backend Development** – Scalable, high-performance Java & Spring Boot applications.
🔹 **Consulting & Mentorship** – Guiding teams on architecture, best practices, and code quality.
🔹 **Code Reviews** – Ensuring clean, efficient, and maintainable codebases.
🔹 **Public Speaking & Thought Leadership** – Sharing insights on backend development, FinTech, and eCommerce.
Let’s connect! Whether you need backend expertise, consulting, or mentorship, I’m happy to help. 🚀
Experienced Software Engineer specializing in distributed systems and scalable architectures. Skilled in React, Next.js, TypeScript, Golang, and backend scheduling systems. Passionate about backend performance optimization and open-source contributions, with contributions to dicedb and open-feature/flagd.
I’ve spent over a decade working remotely—long before it was common—primarily with SaaS startups and scale-ups. I also spent several years collaborating with my long-time friend, Odysseas Tsatalos (the founder of Upwork), helping to shape engineering organizations and cultures from the ground up. I’m the author of Argo CD in Practice and love sharing my knowledge on technology, leadership, and innovative ways of working. Off the clock, I explore my creative side by playing jazz (and other genres) with my band, while staying active with CrossFit and running. My passion for music, fitness, and continual learning keeps my professional and personal life both fun and inspiring.
What’s the real value of a content writer who gets it?
More than words—it's growth, impact, and connection.
For 9 years, I’ve been crafting B2B content that does more than fill a page. It speaks to people. It drives results.
What sets my work apart:
→ I’ve tackled complex industries—tech, IoT, digital transformation, finance, education, manufacturing—and turned intricate ideas into stories that connect.
→ My process? A mix of tools like Google Analytics, SEMrush, and Keyword Planner, paired with a deep understanding of audience needs.
→ The result? SEO-friendly, engaging content that builds trust, drives traffic, and supports business goals.
But here’s the thing: great content isn’t just about keywords or analytics. It’s about resonance.
It’s about telling a story that fits seamlessly into your brand, aligns with your objectives, and makes your audience think, “This is for me.”
I collaborate with cross-functional teams to ensure that every blog, whitepaper, or web copy I create isn’t just another piece of content—it’s a strategic asset.
The digital space is crowded, but I’m here to help your voice stand out. I stay ahead of trends, continuously learn, and fine-tune my strategies to keep your content fresh and relevant.
Because at the end of the day, it’s not just about writing words—it’s about writing the _right_ words.
Let’s create content that performs, resonates, and grows your business.
Software Developer with 4+ years of experience specializing in backend development using Node.js and Java, with additional expertise in React.js and Angular for frontend. Skilled in building scalable microservices, RESTful APIs, and database management (SQL & NoSQL). Experienced in DevOps practices, including CI/CD, cloud platforms (AWS/GCP), and Docker. Strong problem-solving abilities, performance optimization skills, and a collaborative approach to software development and operations.
Users love our Cross-functional collaboration tutors
See the power of our Cross-functional collaboration tutors through glowing user reviews that showcase their successful Cross-functional collaboration learning journeys. Don't miss out on top-notch Cross-functional collaboration training.
“I've started working with Mario, and it's been a fantastic experience so far. He's incredibly knowledgeable, kind, and always willing to help. He quickly identified and fixed an issue I was stuck on, and explained the solution in a clear, simple way that helped me grow as a developer. I truly appreciate his guidance and patience—I'm already learning so much!“
Lena / Mar 2025
Mario K.
Cross-functional collaboration tutor
“I've started working with Mario, and it's been a fantastic experience so far. He's incredibly knowledgeable, kind, and always willing to help. He quickly identified and fixed an issue I was stuck on, and explained the solution in a clear, simple way that helped me grow as a developer. I truly appreciate his guidance and patience—I'm already learning so much!“
Lena / Mar 2025
Mario K.
Cross-functional collaboration tutor
“Outstanding Tableau mentoring tutoring session with Niket. His swift thinking skills is amazing and truly understand Tableau and a subject matter expert in Tableau. I 100% recommend Niket for all your professional freelance and tutoring projects. He is very good.“
Ruhgaris Ruhle / Mar 2025
Niket Kedia
Cross-functional collaboration tutor
“I am a Junior in college preparing for a technical interview for an internship at a technical company. I have been grinding leetcode and watching hundreds of videos in preparation of this interview, but one meeting with Dejan revealed all the gaps in my knowledge. Problems that I though I truly understood, I really only had a surface level understanding of them and had memorized how to write the code for them. I would highly recommend working with Dejan if you want to feel 100% ready for technical interviews“
ajay tadinada / Mar 2025
Dejan B.
Cross-functional collaboration tutor
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Frequently asked questions
How to learn Cross-functional collaboration?
Learning Cross-functional collaboration effectively 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 Cross-functional collaboration. 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 Cross-functional collaboration, 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 Cross-functional collaboration 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 Cross-functional collaboration through forums and online communities. This engagement offers support, new learning resources, and insights into industry practices.
Build real-world projects: Apply your Cross-functional collaboration skills to real-world projects. This could be anything from developing a simple app to contributing to open source projects. Using Cross-functional collaboration in practical applications not only boosts your learning but also builds your portfolio, which is crucial for career advancement.
Stay updated: Since Cross-functional collaboration 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 Cross-functional collaboration?
The time it takes to learn Cross-functional collaboration 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 Cross-functional collaboration typically 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 Cross-functional collaboration’s more advanced features and best practices.
Advanced level: Achieving proficiency or an advanced level of skill in Cross-functional collaboration generally requires at least 2 years of consistent practice and learning. This includes mastering sophisticated aspects of Cross-functional collaboration, contributing to major projects, and possibly specializing in specific areas within Cross-functional collaboration.
Continuous learning: Technology evolves rapidly, and ongoing learning is essential to maintain and improve your skills in Cross-functional collaboration. Engaging with new developments, tools, and methodologies in Cross-functional collaboration 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 Cross-functional collaboration tutor on Codementor?
The cost of finding a Cross-functional collaboration tutor 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 Cross-functional collaboration 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 Cross-functional collaboration 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 Cross-functional collaboration with a dedicated tutor?
Learning Cross-functional collaboration 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 Cross-functional collaboration, 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 Cross-functional collaboration 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 Cross-functional collaboration 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 Cross-functional collaboration in a structured, supportive, and effective environment.
How does personalized Cross-functional collaboration mentoring differ from traditional classroom learning?
Personalized Cross-functional collaboration 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 Cross-functional collaboration.