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Performance Engineering tutor
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. 🚀
Performance Engineering tutor
Versatile **Performance Test Engineer** with around 8+ years of experience in the field of performance testing & engineering, framework designing, cloud architecture, automation, scalability testing, chaos engineering and analysis of Application/Database servers thereby optimizing the overall cost alongside ensuring enhanced performance. Coupled with exceptional communication skill in addition to providing expert solutions to complex scenarios, leadership capabilities, initiating automation driven approach, troubleshooting performance bottleneck to ensure a fault tolerant and optimized system. * Around 8+ years of extensive and diversified experience in IT specialized in Performance Engineering and analysis of Client/Server, Database, Distributed and Cloud based Applications. * Proficient in analyzing Business Requirements, Design performance artefacts specially comprising of Non-Functional Requirements (NFR) to formulate Performance test Strategies and timelines. * Excellent skills in creating standardized set of performance test requirement/report templates * Expertise in Planning, scheduling and environment readiness for performance testing. * Extensive experience in installation, configuration of performance engineering tools such as **Jmeter/ Loadrunner /Neoload /Netstorm/Nmon/Sniff/Dynatrace/ Grafana/ Influx DB/ Telegraf.** * Extensive experience in creating Vuser scripts with **wide range of LoadRunner protocols** using HP VUGEN. * Experience in script development and load testing primarily for web/web services using **JMETER** in addition to various other protocols * Well versed in script enhancement using custom codes, inbuilt tool functionalities in addition to correlation and parameterization. * Extensively involved in various flavors of performance tests such as Baseline, Peak, Scalability, Stress, Endurance, fail over testing alongside analysis of servers, applications & Databases. * Expertise in detailed performance analysis of Cloud base platform such as **Kubernetes, etc.** * Expertise in creating **Jenkins** **CICD, build jobs and end to end pipeline** in order to automate the load testing and performance analysis using plugins and **Shell scripting** * Expertise in detailed performance analysis of Java applications, Oracle/SQL DB and its infrastructure using **different monitoring and performance analysis tools such as JVisual VM, Java Flight Recorder etc.** * Highly experienced in analyzing, interpreting and summarizing performance statistics from Load testing and Monitoring tools and preparing automated detailed analysis report with recommendations to tune the performance * Experience in Bug Reporting, Tracking and Documentation using **JIRA , Bugzilla and Other Utility tools.** * Expertise in writing **Shell scripts** to automate performance statistics collection.
Performance Engineering tutor
I transform business challenges into breakthrough mobile experiences by fusing cutting-edge AI with sophisticated iOS engineering. **DEEP EXPERTISE THAT DELIVERS RESULTS:** • 13+ years developing enterprise-grade iOS solutions using Swift, SwiftUI, and UIKit • Specialized in integrating LLMs, ML models, and AI systems into production applications • Former Senior Engineer at Uber (wallet team) and lead developer for nu.nl (Netherlands' largest news platform) • Creator of open-source Whisperboard (voice transcription app with on-device AI processing) **WHAT SETS MY WORK APART:** I don't just code – I architect transformative solutions with meticulous attention to scalability, performance, and business impact. My projects consistently deliver enhanced user experiences while optimizing development workflows. My recent innovations focus on revolutionizing productivity through AI automation pipelines, custom LLM implementations, and Stable Diffusion integration – creating tools that provide unmatched competitive advantages. **WHY EXECUTIVES & PRODUCT TEAMS CHOOSE MY EXPERTISE:** • Technical excellence combined with business acumen and strategic vision • End-to-end delivery capability – from initial concept to deployed, scalable solutions • Predictable execution through rigorous planning and architectural foresight • Clear communication and commitment to measurable outcomes I've transitioned beyond standard development to focus on building exceptional digital products that create freedom, efficiency, and measurable ROI. My approach blends technical mastery with an unwavering commitment to your business objectives. **READY TO ELEVATE YOUR MOBILE & AI STRATEGY?** Let's discuss how my expertise can deliver exceptional value to your organization. **SIGNATURE PROJECTS:** • [Whisperboard](https://apps.apple.com/us/app/whisperboard/id1661442906) - Revolutionary open-source voice transcription app powered by AI • [GetLost](https://apps.apple.com/us/app/getlost-explore-consciously/id1584133759) - Feature-rich social platform for travelers with location intelligence • nu.nl - Developed core features for the Netherlands' highest-traffic news application • Uber - Engineered critical wallet functionality used by millions globally tarasenko.dev
Performance Engineering tutor
I have long-term (15+ years) experience in software engineering, both professional and mentoring. I enjoy learning as well as teaching new technologies and I'm passionate about bringing value to my mentees.
Performance Engineering tutor
I have 12 years of advanced front-end development experience as well as skills in development with VueJS and WordPress. As an ex-PM of the company I work with, I can also offer design critique and feedback for 60% of the standard rate. Please let me know if you wish to find out more.
Performance Engineering tutor
I believe that the only way to grow sustainably is to invest in yourself, and others. Helping to grow high performing teams through mentorship is one of my favorite things. It's fulfilling to help individuals and teams realize their potential. If you run an organization and want to cultivate lasting value in your product team, let's connect.
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See the power of our Performance Engineering tutors through glowing user reviews that showcase their successful Performance Engineering learning journeys. Don't miss out on top-notch Performance Engineering training.
“Vitor is incredibly knowledgeable and very practical in his approach which allowed for me to gain a much better understanding of my project. On top of that he is incredibly patient and a very nice person which made the whole process that much easier.“
Philip Mortillaro / Feb 2025
Vitor Bottazzi
Performance Engineering tutor
“Dejan is extremely knowledgeable when it comes to interview prep and data structures/algorithms. He explains concepts in depth, giving useful tips and breaking down complex ideas into digestible pieces. His teaching style is incredibly clear and engaging, ensuring that even the most challenging topics feel approachable. Whether you're struggling with a particular algorithm or just need guidance on how to approach problems more efficiently, Dejan provides invaluable insights that help boost both your confidence and problem-solving skills. I couldn’t recommend him more for anyone looking to improve their interview prep or deepen their understanding of data structures and algorithms“
Josh Woods / Mar 2025
Dejan B.
Performance Engineering tutor
“Very patient, knowledgeable and understanding. We were appreciative of his insights. Best of all his on-demand available during U.S. working hours was mission critical. Having Rahul as a mentor was the best investment that we made in our businesses, empowering us to complete our project efficiently but most importantly learn the skills required to become self sufficient and self sustaining. Code Mentor is the best for mentors and freelance developers.“
Rhonda Coleman / Mar 2025
Rahul Choudhary
Performance Engineering tutor
“If not the best, undoubtedly one of the best. I recently had the pleasure of working with Jeff, and I can confidently say he is the best when it comes to solving complex Excel issues. From the very start, he demonstrated an exceptional depth of knowledge, tackling advanced functions and formulas with ease. Not only did he solve my problem quickly, but he also explained the process in a way that was clear and easy to understand. His approach was thorough, patient, and highly efficient. If you're looking for an expert in Excel, Jeff is definitely the go-to person.“
Steve / Mar 2025
Jeff Aalto
Performance Engineering tutor
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Find the most suitable Performance Engineering tutor by chatting with Performance Engineering experts.
Arrange regular session times with Performance Engineering tutors for one-on-one instruction.
We'll help connect you with a Performance Engineering tutor that suits your needs.
Find the most suitable Performance Engineering tutor by chatting with Performance Engineering experts.
Arrange regular session times with Performance Engineering tutors for one-on-one instruction.
Learning Performance Engineering 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:
The time it takes to learn Performance Engineering 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:
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.
The cost of finding a Performance Engineering 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:
To find the best rate, browse through our Performance Engineering 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.
Learning Performance Engineering with a dedicated tutor from Codementor offers several significant benefits that can accelerate your understanding and proficiency:
By leveraging these benefits, you can significantly improve your competency in Performance Engineering in a structured, supportive, and effective environment.
Personalized Performance Engineering mentoring through Codementor offers a unique and effective learning approach compared to traditional classroom learning, particularly in these key aspects:
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 Performance Engineering.
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