I'm a backend-focused developer with hands-on experience building real-world, production-style systems using technologies like Node.js, Express, and TypeScript. I thrive ...
I'm a Python-focused backend developer with 5 years of hands-on experience delivering reliable, high-quality solutions. I enjoy designing scalable architectures, writing ...
I'm Seyit, a Backend Developer specializing in Spring Boot, React, TypeScript and AWS serverless technologies.
I design RESTful APIs and build scalable cloud-based app...
I develop digital products for people as a solo developer. I mainly work on web applications and backend services. I focus on building products that are useful, easy to u...
I'm a Java Backend Engineer with 3+ years of experience building scalable microservices and distributed systems, currently at Huawei Istanbul on high-traffic production s...
With 11 years of experience, I am ready to help you.
Some of the projects I worked on:
Customer management system
School management system
Site builder system
R...
I'm a Full-Stack Software Engineer (Microservices, Backend, AWS, Web3, Mobile Apps) with experience in system architecture design, end-to-end product development, and fou...
Hello, I’m Ulaş Körpe, a PHP software engineer with over 15 years of experience delivering scalable web applications. I excel in OOP, MVC architectures, and modern PHP fr...
I am Behran Kankul, an analytical software developer specializing in iOS development, server-side programming, and CI/CD pipelines. I enjoy mentoring teams, optimizing pe...
I'm Ada Deniz Aktas, a Senior Fullstack Software Engineer with 10+ years of experience delivering enterprise-grade systems across medical, industrial, and marketing domai...
I'm Miraçe Mir Öngel, a software engineer based in Istanbul, Turkey. I aim to develop innovative, scalable, and user-centric software by leveraging my knowledge and exper...
"Pet e Life is a full-stack web application designed to connect pet owners with veterinary services, pet shops, and essential pet care resources. The platform aims to simplify pet management by offering appointment scheduling, service listings, and personalized pet profiles in a centralized digital environment.
The..."
"Pet e Life is a full-stack web application designed to connect pet owners with veterinary services, pet shops, and essential pet care resources. The platform aims to simplify pet management by offering appointment scheduling, service listings, and personalized pet profiles in a centralized digital environment.
The project is currently in development and focuses on delivering a modern, responsive user experience combined with a secure and scalable backend architecture.
Key features planned for the platform include user authentication, pet profile management, service booking, and real-time notifications. The system will follow RESTful API standards and clean architecture principles to ensure maintainability and performance.
Pet e Life is being developed as a portfolio and production-ready project to demonstrate strong front-end and back-end engineering practices."
"Working with Ondrej was one of the best technical decisions we made for our product. From the very beginning, he demonstrated not only strong engineering skills but also true ownership and care for the success of our platform. He quickly understood our business requirements, proposed practical architectural improvements,..."
"Working with Ondrej was one of the best technical decisions we made for our product. From the very beginning, he demonstrated not only strong engineering skills but also true ownership and care for the success of our platform. He quickly understood our business requirements, proposed practical architectural improvements, and delivered clean, scalable, and production-ready code.
What impressed me most was his reliability and problem-solving mindset. When we faced performance bottlenecks and complex integration challenges, Ondrej approached them calmly and systematically, identified the root causes, and implemented solutions that significantly improved system stability and response times. He communicates clearly, meets deadlines consistently, and collaborates naturally with both technical and non-technical stakeholders.
Beyond his technical strengths, Ondrej brings a professional attitude and a genuine commitment to quality. He doesn’t just complete tasks — he improves the overall system and elevates the team’s standards. I would confidently recommend him to any company looking for a senior engineer who can be trusted with critical systems and deliver real, measurable impact"
"While on the ES team, in discussions, Lucas would provide insightful and critical solutions to the problems faced by the company. These solutions required the out of the box thinking that Lucas possesses to tackle such multifaceted problems."
Vikram @ The Nationwide Group
Feb 18, 2026
"Achla was great to work with. They really listened to my needs and all work was delivered on time."
Jasspreet @ jassi photography
Feb 17, 2026
"Gonzalo Eloy Vazquez Dieguez was great to work with. They really listened to my needs and all work was delivered on time."
Tomo @ MedServ
Feb 13, 2026
"Mustafa is pro for website development, he rebuilt my website simple to well optimised design. Highly Recommended!"
Jack @ Hulm solutions
Feb 13, 2026
"Working with Twine enabled us to scale projects quicker than before and the Twine Business makes it so easy to manage and pay contractors over the world."
-Josh Bolland
CEO, J B Cole
"I found an amazing designer and she's fast. I now send her my ideas and she transforms them into great design. The collaboration is fast, professional and easy. It feels like she is already part of our team."
-Achim Kohli
CEO, Legal-i
Clients Rate Twine Back End Developers
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