Hire a Freelance Distributed Systems Engineering Developer

Olajide Olanrewaju

Freelance Distributed Systems Engineering Developer5.0 (200 reviews)

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.

Sourav Paul

Sourav is a Senior Software Developer at IBM Research Lab. He is working as a Full-Stack Developer in building highly scalable, resilient distributed systems. Sourav will help you with to prepare coding interviews, System Design for FAANG and other top product companies Have been passionately solving Leetcode, HackerRank, Codechef, Codeforces, Codesignal problems, and enthusiastically solving problems with the analysis of space... ♛ Career Domain - ▪️ Data structures & algorithms. ▪️ Large-scale distributed systems(HLD/LLD). ▪️ E2E Backend system architecture(API Gateways/LB/Cache/DB/Messaging Queues/Microservices). ▪️ REST APIs/Data Streams/Batch Jobs/Event-driven systems. ▪️ Java/Rx/SpringBoot/Hibernate/MySQL/Cassandra/Docker/Kubernetes/CICD/Git/Cloud. ▪️ Software engineering mentorship to the freshers/experienced professionals. ♛ Key Responsibilities - ▪️ Building scalable quality software solutions by designing, writing code, and unit tests through consistent development practices with a focus on continuous integration/continuous deployment, continuous monitoring, and automated testing(TTD/BDD). ▪️ Debugging software components, identifying code defects, and remediating the buggy flow. ▪️ Participating in code reviews and collaborating on best practices with colleagues. ▪️ Enabling the deployment, support, and monitoring of software across test, integration, and production environments. ▪️ Identifying opportunities for adopting new technologies. ▪️ Demonstrating increased self-reliance to achieve team goals. Influencing team members with creative changes and improvements by challenging the status quo and demonstrating risk-taking. ▪️ Effectively interpreting technical & business objectives, functional/non-functional requirements, involved challenges, and articulating solutions. ▪️ Collaborating with a team of Engineers, Scrum Master, and Product Owner to effectively achieve objectives by clearly communicating ideas and concepts. ▪️ Mentoring and guiding junior team members to success within the team. ▪️ Interviewing college grads/senior engineers as part of global hiring events across the org. ```Feel free to reach out for anything related to,``` ▪️ Software Design/Development/Prototyping/Pair coding. ▪️ Web Technologies/API design/Code reviews. ▪️ Career development/Consulting/Training/Mentorship/Interviews in technology/DSA/System Design. ▪️ Business Idea and its transformation into technology.

João Vitor Boverio da Silva Gomes

Results-driven engineering leader with 10+ years of experience spearheading AI, Software and ML initiatives. Proven track record of driving innovation, managing cross-functional teams, and delivering high-impact projects in both public and private sectors. Expertise in leveraging cutting-edge technologies to solve complex business challenges and mentor next-generation talent.

George Ndu O.

I'm an expert software engineer and I handle application development with PHP (Laravel), Dart (Flutter), Golang, Javascript (VueJs & ReactJs, Nodejs), and Typescript. Github: [github.com/omept](https://github.com/omept) LinkedIn: [linkedIn.com/in/george-onwuasoanya](https://linkedin.com/in/george-onwuasoanya)

Gene Zeiniss

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, 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. In addition, I co-managed the Tech-Blogging Program at Baot, organizing workshops to inspire women in tech to 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 financial integrations, including: ✅ 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 and individuals on best practices in architecture & 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 here to help. 🚀

Gianfranco.JS

### [Escuela.dev](https://escuela.dev/en) Learn how to code in Malaga, Madrid or online. Perfect for aspiring developers or career changers. Book a free trial lesson <https://escuela.dev/en/free-class/> ## Generative AI skills: - Text generation (OpenAI, Anthropic, Groq, Amazon Bedrock, Google Gemini models) and offline models such as LLaMA - LangChain, Autogen, CrewAI - DALLE and Stable Diffusion for image generation 🤖 - MongoDB Vector Database for RAG (Retrieval-Augmented Generation) models. ## Software Development skills: - JavaScript and TypeScript (React, React Native, Next.js, Astro) 📱 - NodeJS, GraphQL, REST APIs (Express, Fastify, Mongoose) 🚀 - Web development (SCSS, CSS, HTML) 🌐 - Testing (Jest, Vitest, Playwright) - Python 3 (Flask, FastAPI) 🐍 - MongoDB, PostgreSQL and Redis ## DevOps and SysAdmin skills: - Linux (Ubuntu, Debian and Bash) 🐧 - Virtualization (Docker) 📦 - Amazon AWS, Google Cloud, DigitalOcean, MongoDB Atlas, Vercel ☁️ - Cloud Functions (AWS Lambda, Vercel Edge) 🐑 - Monitoring and Backup (New Relic, Sentry, Coralogix) - Continuous Deployment (CD) and Continuous Integration (CI) (GitHub Actions, Jenkins) 🚀 Open source enthusiast: ❤️ https://github.com/gianpaj ⬅️ Click on the **Let's Chat** button to discuss your goals.

Sudip Maji

Software Engineer with a demonstrated history of working in the software industry. Skilled in developer operations, web applications development and designing distributed systems, micro-services, low latency fault-tolerant services, and managing infrastructure security.

John Nichol

I am a recently retired Software Engineer with 30+ years of experience. My most recent experience is in Kotlin and Compose on Wear OS/Android. At Google I was part of the Android API Council reviewing and providing feedback and advice on Android public APIs. I worked in Java extensively from 1996 until transitioning to mostly Kotlin from 2020. I have experience of lots of other languages through my career such as Python, C/C++, Go, ... - but haven't been actively developing in them recently. My career has spanned small, medium and large firms in Tech Companies and Investment Banking. I would like to help others learn and develop their skills to hopefully have an exciting and fulfilling career in Software Engineering.

Asif Iqbal

Greetings!! This is Asif Iqbal. I am a software engineer based in Toronto, Canada. I am more than happy to help people with solving their coding problems, design issues, databases, interview preparation and providing with any other sort of programming tutorials. My strongest language is Java and SQL. However, recently I have also worked a bit with Python and in the past worked with other languages and tehnologies as well. In general, I am kind of technology agnostic and willing to pick up anything on demand. I have been absorbed in software development and design for the past few years, with an emphasis to back-end, data pipelines, server side development, databases, performance optimization and system analysis. Over the years, I have gained expertise in object oriented programming, design patterns, best practices, reverse engineering, code re-factoring, coding standards, security guidelines, performance tuning, writing high-performance and scalable code, query optimization, finding and fixing critical bugs in existing code-base, and of course, collaborating and working in harmony with other team members. Recently I have been growing interest in big data, data analytics and data management; and looking to pursue a career with an emphasis to these areas. My ideal goal would be to join a team in where I get to pursue a role that is somewhat in alignment with these stuffs, and get to develop in depth expertise in big data engineering by successfully contributing myself as well as collaborating with and gaining knowledge from my team-mates. I am always ready and open to switch to pursue and explore any new tools and technology stack that fits the needs. As for my academics, in 2011, I completed my master's in Software Engineering from McMaster University, Hamilton, Ontario, Canada. Back in 2008, I gained my Bachelor degree in Computer Science and Engineering from Bangladesh University of Engineering and Technology.

Chris Mhley

# Greetings aspiring coders and game developers! I'm a passionate game developer and software engineer with over 12 years of experience, including AAA and Indie studios: Amazon Game Studios (New World), AWS (Game Services), and my own company, Power Proc Studios (Soul Kingdoms). I have a breadth of knowledge across games and non-games, and I'm here to guide you on your coding journey and help you level up your coding skills! I specialize in Unity, however I also have experience with other game engines like Unreal and GameMaker. Whether it's game development or general coding, let's collaborate and write some awesome code together!