Back-end Programming – Advice from Experts

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Back-end Programming

Duran Inci

Miami, FL

$300.0/min 5.0 9 $5/min

Serial Entrepreneur. A results-driven, high-energy and dedicated Marketing Executive and an Internet Technology Consultant with over 12 years experience in E-business, including all forms of Business & IT Development.

Florent Vilmart

Montreal, QC, CA

$100.0/min 5.0 1 $1.67/min

Engineer, Founder, CTO, technology atheist. Award winning mobile app developer.

Richardson Dackam

Toronto, Canada

$100.0/min 4.0 1 $1.67/min

Building and maintaining apps while teaching the process with systems you can steal | 13+ Years of Experience building apps | I ran a one person +6 figures web development agency specialize in building SaaS products for 10 years. ( Previous client include Ticketmaster/Livenation, Freshbooks, Rogers, Sportsnet, Aurora Solar, and more...)

Syah Reza Pahlevi

indonesia

$60.0/min N/A 0 $1/min

Backend Engineer, Skilled at PFP, with high skill of Public Speaking during college days, fast-learner and adaptable.

CRISTIANO CORTEZ

Rio de Janeiro, RJ, Brazil

$60.0/min N/A 0 $1/min

Experienced software developer with a focus on mobile app development and enterprise systems. Proven track record in building scalable and innovative solutions using modern technologies. Skilled in Kotlin, Flutter, Kotlin Multiplatform, Firebase, and Agile methodologies. Key Achievements: - Developed a field service monitoring app using Flutter, integrating with Firebase and Google Maps. - Created a custom streaming solution using Wowza Stream Engine and Java. - Led the development of a corporate management system for field teams. Technical Skills: - Kotlin - Flutter - Kotlin Multiplatform - Firebase - Google Maps - Java - MongoDB - Agile methodologies Looking to help with: - Building scalable mobile apps - Developing enterprise solutions - Integrating with cloud-based services

Gaurao Bharambe

India

$100.0/min N/A 0 $1.67/min

With over 7 years of experience in Desktop/Web/Mobile Application Development and Project Management. I have handled diversified set of clients in IT Industries. By successfully closing junior to senior level positions in my previous workplace, I find myself extremely passionate and inclined towards developing and delivering products. I am skilled in NodeJs, ReactJS, ReactNative, SvelteJS, SvelteNative, AngularJS, Angular, MongoDB, MSSQL, SQLite, Web API Development Also have experience in web hosting platforms such as AWS, MS Azure and Google Cloud.

Taher Abouzeid

New York, NY

$300.0/min N/A 0 $5/min

Project/Team Lead & Software Engineer with 20 years of experience. Experienced mentor and developer of multiple greenfield projects in a wide variety of industries.

Faisal Qureshi

Mumbai, India

$60.0/min N/A 0 $1/min

Senior Developer. Lead Developer @ 2 startups. Thought full insights in application development.

Muhammad Junejo

Karachi, Pakistan

$60.0/min N/A 0 $1/min

Programming Lecturer at HyperionDev (Mar 2023-Present) | Full Stack Developer at TechMateTech (Dec 2020-May 2022)

Onyango Staphone Omondi

Nairobi, Kenya

$60.0/min N/A 0 $1/min

I'm a web developer with a passion for art, design, coding, and human psychology. I believe that great web design is more than just making something look pretty. It's about creating an experience that is both visually appealing and functionally effective. I'm always looking for new ways to use technology to solve problems and make people's lives easier. In my spare time, I enjoy painting, drawing, and playing guitar. I'm also a big fan of reading and learning new things. I'm always looking for ways to expand my knowledge and grow as a web developer.

Kartikey Tripathi

Agra, Uttar Pradesh, India

$120.0/min N/A 0 $2/min

Kartikey Tripathi Computer Science & AI Engineer | Backend Developer | LLM Trainer 📧 kartikeytripathiietkhandari@gmail.com | 🔗 LinkedIn Profile Versatile Computer Science professional with experience in backend development, Java & Python programming, AI/LLM training, and data annotation. Strong foundation in DSA, DBMS, computer networks, and artificial intelligence. Known for analytical thinking, quality-focused execution, and reliable delivery in technical projects. Experience Highlights Cognibot — LLM Trainer (Python) & LiDAR Data Annotator (Aug 2025 – Present) Train and evaluate LLMs, perform LiDAR data annotation, validate datasets, and provide structured feedback to improve AI model performance. Codingal Technologies Pvt. Ltd. — Backend Developer (Feb 2025 – Aug 2025) Built backend services using Python & Java, designed APIs, integrated databases, and improved system reliability and performance. Unifize — Java Developer (Mar 2024 – Dec 2025) Developed Java backend components, worked with DBMS, applied DSA for optimization, and contributed to production systems. Web Treta — SEO Technical Writer (Oct 2023 – Feb 2024) Wrote technical, SEO-optimized content and collaborated with marketing teams to improve content reach and quality. Skills Python, Java, C/C++, Backend Development, APIs, DSA, DBMS, Computer Networks, AI, LLM Training & Evaluation, Data & LiDAR Annotation, Technical Writing, MS Office Education B.Tech in Computer Science & Engineering, Dr. Bhim Rao Ambedkar University (2023–2027, Expected)

Apurba Biswas Dipto

Saint John

$100.0/min N/A 0 $1.67/min

I am a 5 year experienced developer with a strong background in Computer Science, physics and math. With a Bsc degree in Computer from University Of New Brunswick, I consistently demonstrated the ability to learn and adapt to new technologies quickly. I have a proven track record of successfully developing and implementing solutions for a variety of clients and has excellent problem-solving skills. I am highly motivated and always seeking new challenges to further develop my skills. In my free time, I enjoys staying up-to-date with the latest developments in the tech industry and exploring new programming languages.

Dan Gardiner

Toronto, ON

$120.0/min N/A 5 $2/min

Founder @EnginuitySearch - Search Engine and Content Analytics Platform. Principal Software Engineer and Hacker. Experience in Web, Mobile, Security, Cloud, Linux & Enterprise technology and the people that use it.

Alejandro Carrasquero

Fort Lauderdale FL

$60.0/min N/A 0 $1/min

Manager, Leader and Administrator Senior for analysis, design, integration, modelling and implementation of Business Intelligence Systems on ERPs using OLAP tools with Multidimensional Databases and Dashboard tools; Overall computer savvy for designing, implementing, and managing Business Intelligence systems, Big Data, Data Mining, Data Warehouse, Integration platforms and dashboards for a variety of corporate purposes such as business analysis, statistics, and corporate economics. Demonstrated expertise in designing and implementation of new business intelligence systems or renovating existing ones. Strong strategic planning skills for efficient project management; Extensive background in Business Analysis, Expert Systems, Business Rules (Artificial Intelligence) and web technologies in the several industrial areas. Spanish fluency and ability to function in a variety of industrial environments.

Mohammed Aljuboori

Sacramento, CA

$120.0/min N/A 0 $2/min

Why take a call with me? I know how to put you on the right path. I have over 15 years experience in software development. I built software that manage Billions of dollars. I hired and managed successful software engineering teams.

Bekzod Norkulov

Samarkand, Uzbekistan

$60.0/min N/A 0 $1/min

Hello world, I'm 18 and I'm php Laravel developer. I can add whatever functionality you wnat to see in your website beginning from simple registrations to complicated online chats and payment integrations. I'm full of energy and love what I do. In my works I like to use all the elegance of the laravel at full power. Furthermore, I'm also proficient with vuejs library, which combined with laravel become a powerfull tool to create SPA websites. I love logic and server side coding. This is what I'm best at. My skills : - PHP - Laravel - Vuejs - Javascript - jQuery - MySQL

Thomas Cremers

The Hague, The Netherlands

$150.0/min N/A 0 $2.5/min

Owner at VicinitySoftware. Helped and worked for over 10 startups using different tech and a lot of research. Experience with Ruby on Rails (+9 years) Android (+6 years) Hybrid mobile apps, iBeacon technology, Angular and much more.

George Godik

Greater New York City Area

$60.0/min N/A 1 $1/min

for all of your software engineering needs - implementation, design, C++, python, web technologies, databases

Miguel Diaz

Santiago, Chile

$150.0/min N/A 0 $2.5/min

Software Architect for Yapo.cl, part of Schibsted Media Group. Used to be Head of Development for A2 Systems. Speaks English and Spanish fluently. Teaches Salsa, all levels.

Marcio Galli of MePlex, HackATalk, FastClip, Loando.io

Ribeirão Preto

$100.0/min N/A 0 $1.67/min

I am a founder and constant learner. My background is in computer science but I am always an entrepreneur. I have worked for Netscape, Yahoo! and Mozilla and today I am launching multiple product — I am failing incredibly and also learning a lot and I am certain that we have serious subjects to talk. The topics that I have studied, and continue to be involved, in a serious approach, therefore beyond surface: canvas, MVP, customer discovery, qualitative, culture, and related early stage topics. Books I study — Andy Grove High Output Management, Zero to One, Measure What Matters (OKR), Radical Focus (OKR), Value Proposition Design (Lean), The Startup Way (Lean, Innovation), Maslow on Management (Management, Psychology), Conscious Business (Culture), The Hard Things about Hard Things (Culture), How (Culture), Design Thinking (Innovation, Lean) Coursera Courses I did Entrepreneurship: Launching an Innovative Business Specialization Issuing Organization: Coursera Issue Date: July 2015 Credential ID: 3UJHNRR3Z77T Credential URL: https://www.coursera.org/account/accomplishments/specialization/3UJHNRR3Z77T Business Model Canvas: A Tool for Entrepreneurs and Innovators (Project-Centered Course) University System of Georgia Grade Achieved: 97.1% Learning How to Learn: Powerful mental tools to help you master tough subjects McMaster University & University of California San Diego Grade Achieved: 96.7% Coursera Mentor Community and Training Course Coursera Community Team Grade Achieved: 97.8% How to Finance and Grow Your Startup – Without VC University of London & London Business School Grade Achieved: 98.1% Cracking the Creativity Code: Discovering Ideas Technion - Israel Institute of Technology Grade Achieved: 88.7% Entrepreneurship Capstone University of Maryland, College Park Grade Achieved: 97.1% New Venture Finance: Startup Funding for Entrepreneurs University of Maryland, College Park Grade Achieved: 75.0% Innovation for Entrepreneurs: From Idea to Marketplace University of Maryland, College Park Grade Achieved: 89.8% Developing Innovative Ideas for New Companies:The First Step in Entrepreneurship University of Maryland, College Park Grade Achieved: 97.0%

Ulrich Sossou

Cotonou, Benin

$100.0/min N/A 0 $1.67/min

Full Stack Web Developer. Entrepreneur. Learned computer programming and started first Internet business out of a cyber cafe, without even owning a computer. Now co-founder @flyerco & @tekxlllc.