Hire the Best Backend Rest API Freelancers
in Germany

⚡️ Do you have a new product to build, and are you looking for an expert backend developer you can trust to design and build the server side of your product? Look no further! I have more than 10 years of experience in web development with various programming languages (mostly PHP and Golang) in very different companies (from big tech to small non-profit projects). Now I specialize in building startups: ✅ I design, implement and deploy features as fast as possible ✅ I always add valuable metrics ✅ I write clean code that can easily grow and evolve for your product's needs. ✅ I can suggest existing services, open-source tools/libraries, or no-code/low-code solutions reducing development. I'm a full-time Upwork freelancer, and this is not just a side hustle for me. I can offer you a professional project delivery with high-quality code and clean architecture. I will take the time to understand your needs and ensure that the product works according to your vision. ⏩ If you're looking for a professional and experienced backend developer who will deliver the results you want, contact me right now to make progress together!

🔧 Senior Full-Stack Developer | 10+ Years Building Production-Grade Laravel & Vue.js Applications New to Upwork, but not new to the work. I've spent the past decade building and scaling web applications for agencies and startups across Germany. You need a developer who architects solutions that drive revenue, scale with your business, and are built to last. That's what I do. I specialize in Laravel and Vue.js full-stack development, covering the entire lifecycle: database architecture, REST API design, and polished frontends with TypeScript and Tailwind CSS. ⚙️ Laravel & PHP Backend ✅ Application architecture: REST APIs, queues, jobs, events, scheduling ✅ MySQL database design, optimization, and migrations ✅ Third-party API integrations and payment systems ✅ Authentication, authorization, and multi-tenancy 🖥️ Vue.js & Nuxt.js Frontend ✅ Single-page and server-rendered applications ✅ TypeScript and Tailwind CSS for responsive, clean UI ✅ Component-driven architecture and state management 🛠️ AI Code Rescue & Modernization AI tools generate code fast, but rarely code that scales. I audit, refactor, and stabilize AI-generated codebases, turning fragile prototypes into production-ready applications with proper structure and testing. If your AI-built project is breaking under real traffic or becoming impossible to maintain, I can fix it. 📌 What Working With Me Looks Like Clear updates, honest timelines, and no disappearing acts. I've been told I have that "German precision" thing going on, and I'll take it. Your deadlines matter to me. Based in Germany (CET), available 30+ hours per week. Fluent in English, native German. I respond fast and keep meetings productive. Docker, CI/CD, and deployment are part of my workflow, not an afterthought. Whether you need a Laravel SaaS built from scratch, a broken codebase rescued, or a Vue.js frontend that actually performs: send me your project details and I'll get back to you within 24 hours.

Dear Sir or Madam, My name is Oleksandr Prognimak. I have been working as a software developer for 33 years. I have extensive and longstanding experience in the following programming languages, frameworks, libraries, and technologies. Currently, my main focus is on the following IT areas: Java, JEE, Spring, Spring Boot, Angular, HTML5, JavaScript, TypeScript, CSS, SQL, PL/SQL, Docker, JUnit, Mockito, WireMock, Pact io, Maven, Oracle, PostgreSQL, and Azure Cloud. Here is the complete list of my skills: Skills, consulting, and development as a freelancer in the following areas: - Java: JDK 1.1 - 21, JSE, Swing, AWT - JEE: J2EE, JEE5,6,7,8,10 (Servlet, CDI, EJB, JPA, JMX, JMS, JSF) - Spring/Spring Boot: Spring Core, Spring Boot, Spring Test, Spring Data, Spring Integration, Spring Batch, Microservices - Cloud: Azure, AWS - Web Development/UI: Angular 4,7,10,16; Vue.js 2,3; TypeScript, GWT, Vaadin, JSP, JSF (RichFaces, PrimeFaces), HTML4, HTML5, JavaScript, JQuery, AJAX, Struts, Spring MVC - Web Services: SOAP, SOA, RESTful, Rest-API, OpenAPI, Swagger, RestEasy, Jersey, JSE HttpClient - ORM: Hibernate, EclipseLink, Apache OpenJPA - RDBMS/SQL: Oracle, Postgres, MySQL, MS-SQL, SQL, PL/SQL, MS Access, Teradata, H2 - App. Server/Servlet Container: Apache HTTP, Apache Tomcat, JBoss, Wildfly, Websphere, OC4J - XML Processing: AXIS-2, XPath, XSLT, XML Schemas, JAXP, JAXB - Build Tools: ANT, Maven, Gradle, Mojo - Source Code Management: GIT, GitLab, GitHub, Bitbucket, SVN, CVS - Case Tools/UML: Magic Draw, Software Architect, Together, ERWin, RationalRose - Report Tools: Jasper Report, BIRT Reports, Oracle Forms and Reports, Eclipse BI-Reports - Security: Java Security, JSSE, PKI, Websecurity, X509 - Test Tools/Testing: JUnit, TestNG, Cucumber, JBehave, Mockito, WireMock, EasyMock, Spring Test, Pact io, LoadTest, IntegrationTest, CI - MS-Office: VB, VBA, Excel-VBA, Access-VBA - Container Virtualization: Docker, Docker-Compose, Swarm, Kubernetes (K8) - Big Data: Apache Kafka, Zookeeper - Very Old Skills: C, C++, Basic, Pascal I am available immediately. Best regards, Oleksandr Prognimak

Hi, I’m Dhruvrajsinh Zala — a Full-Stack Web Developer with 4+ years of experience building custom web applications and eCommerce solutions using PHP, CodeIgniter, CS-Cart, React.js, Next.js, and MySQL. I help businesses build scalable, fast, and user-friendly web applications with clean backend architecture and responsive frontend development. I have hands-on experience working on custom eCommerce platforms, REST APIs, payment gateway integrations, and full-stack applications. 💡 What I Can Help You With: • Custom PHP & CodeIgniter Development • CS-Cart Theme & Add-on Development • React.js & Next.js Development • REST API Development & Integration • Stripe Payment Gateway Integration • MySQL & PostgreSQL Database Design • Bug Fixing & Performance Optimization • Responsive Web Development • Custom E-commerce Features 🛠 Technical Skills: Backend: PHP, CodeIgniter, Node.js Frontend: JavaScript, React.js, Next.js, HTML, CSS, jQuery Database: MySQL, PostgreSQL, MongoDB Tools: Git, Postman, VS Code, CS-Cart 🚀 Experience Highlights: ✔ Developed customized CS-Cart eCommerce solutions with custom add-ons and theme development ✔ Built responsive and SEO-friendly Next.js applications ✔ Worked on Stripe payment integration and REST APIs ✔ Developed backend systems with PHP and MySQL ✔ Built real-world applications with role-based workflows and database management ✔ Worked in Agile/Scrum development environments I focus on delivering clean, maintainable, and scalable solutions while maintaining clear communication and on-time delivery. If you are looking for a reliable developer who can understand your business needs and turn ideas into working solutions, feel free to invite me to your project. Let’s build something great together!

🌟 Expert Vetted Talent – Top 1% on Upwork ✅ Proven Record of Hours, Earnings and Client Satisfaction 🚀 Fast Response and Clear Communication 💯 100% Job Success – Clients’ Top Ratings 🔝 Top Rated Plus (Freelancer and Agency) 🔎 Open to New Challenges and Opportunities 👋 𝐇𝐞𝐥𝐥𝐨 𝐚𝐧𝐝 𝐖𝐞𝐥𝐜𝐨𝐦𝐞! Thank you for visiting my profile. I’m 𝗧𝗮𝗽𝗮𝘀 𝗗𝗮𝘁𝘁𝗮, 𝗮 𝗘𝘂𝗿𝗼𝗽𝗲 𝗯𝗮𝘀𝗲𝗱 𝗳𝘂𝗹𝗹 𝘀𝘁𝗮𝗰𝗸 𝗱𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 with 10 years of experience building scalable, reliable, and business driven software solutions. With thousands of hours logged on Upwork, I’ve helped clients design, develop, and optimize their applications, consistently earning top ratings for quality, problem solving, and responsiveness. If you have a project in mind or a technical challenge to solve, let’s connect. I’d be happy to discuss how I can help you achieve your goals. 💡 𝐖𝐡𝐲 𝐂𝐥𝐢𝐞𝐧𝐭𝐬 𝐂𝐡𝐨𝐨𝐬𝐞 𝐌𝐞 1. 𝙀𝙭𝙥𝙚𝙧𝙞𝙚𝙣𝙘𝙚 𝙖𝙣𝙙 𝙀𝙭𝙥𝙚𝙧𝙩𝙞𝙨𝙚 Years of hands on experience across multiple technologies enable me to find elegant, efficient solutions for complex problems. 🗯️ “He was very responsive and clearly explained what was needed. Definitely an expert in his work.” 2. 𝙀𝙛𝙛𝙚𝙘𝙩𝙞𝙫𝙚 𝙋𝙧𝙤𝙗𝙡𝙚𝙢 𝙎𝙤𝙡𝙫𝙞𝙣𝙜 I quickly identify business needs and deliver customized, high impact solutions. 💭 “Tapas was able to quickly understand what I needed and delivered beyond expectations.” 3. 𝙎𝙮𝙨𝙩𝙚𝙢 𝙇𝙚𝙫𝙚𝙡 𝙏𝙝𝙞𝙣𝙠𝙞𝙣𝙜 I take a holistic approach, ensuring code quality, scalability, and long term maintainability. 💬 “LIFE SAVER! I’ve hired Tapas for multiple projects and will continue to do so. Great developer!” ⚙️ 𝐂𝐨𝐫𝐞 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞 𝗕𝗮𝗰𝗸𝗲𝗻𝗱 𝗮𝗻𝗱 𝗙𝗿𝗮𝗺𝗲𝘄𝗼𝗿𝗸𝘀: PHP, Laravel, Symfony 𝗙𝗿𝗼𝗻𝘁𝗲𝗻𝗱: React, Next.js, JavaScript, HTML, CSS, TailwindCSS, Shadcn, Alpine.js 𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲𝘀: MySQL, PostgreSQL, NoSQL, MongoDB 𝗗𝗲𝘃𝗢𝗽𝘀: Linux, Apache, Nginx, AWS, Git 𝗔𝗣𝗜𝘀 𝗮𝗻𝗱 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻𝘀: REST, GraphQl, JSON, Third Party Integrations 🧩 𝐒𝐞𝐫𝐯𝐢𝐜𝐞𝐬 𝐈 𝐎𝐟𝐟𝐞𝐫 𝐅𝐮𝐥𝐥 𝐒𝐭𝐚𝐜𝐤 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭: Architecture, design, coding, testing, deployment, and long term maintenance. 𝐒𝐲𝐬𝐭𝐞𝐦 𝐀𝐝𝐦𝐢𝐧𝐢𝐬𝐭𝐫𝐚𝐭𝐢𝐨𝐧: Cloud setup, optimization, scaling, recovery, backup, and cost management. 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞 𝐌𝐚𝐧𝐚𝐠𝐞𝐦𝐞𝐧𝐭: Schema design, performance tuning, migrations, and recovery strategies. 𝐏𝐫𝐨𝐣𝐞𝐜𝐭 𝐌𝐚𝐧𝐚𝐠𝐞𝐦𝐞𝐧𝐭 𝐚𝐧𝐝 𝐓𝐞𝐜𝐡𝐧𝐢𝐜𝐚𝐥 𝐋𝐞𝐚𝐝𝐞𝐫𝐬𝐡𝐢𝐩: Planning, requirements, developer guidance, QA, and stakeholder communication. 🚀 𝐋𝐞𝐭’𝐬 𝐁𝐮𝐢𝐥𝐝 𝐒𝐨𝐦𝐞𝐭𝐡𝐢𝐧𝐠 𝐆𝐫𝐞𝐚𝐭 I’m always excited to take on new challenges, whether it’s optimizing existing systems or building powerful new applications from scratch. 𝗦𝗲𝗻𝗱 𝗺𝗲 𝗮 𝗺𝗲𝘀𝘀𝗮𝗴𝗲 𝗼𝗿 𝗮𝗻 𝗶𝗻𝘃𝗶𝘁𝗲 and I’ll respond promptly. Let’s make your next project a success.

Full-Stack Shopify Developer with a proven track record - 105+ optimized Shopify stores while maintaining a flawless 100% Job Success Score. As a Top Rated Plus freelancer on Upwork (top 1%), your project is in expert hands and set up for success. With expertise in both, shopify front-end development and back-end development, I ensure that your store is not only visually appealing but also fast, functional and scalable, making it easy to implement marketing solutions and drive higher ROIs. Take a look at my portfolio below and discover what’s possible for your Shopify store. ------------------------------ Ready to take your Shopify store to the next level? Pleasure to meet you – I’m Till. With a keen eye for detail and the passion for solving technical problems, I’m curious about the challenges your Shopify store might bring. Whether it’s theme optimization, custom features or setting up a store from scratch. My clients always appreciate my reliability. That means for you: Consistent communication and delivery on time. After successfully implementing an upselling feature, I’m looking for new projects to apply my expertise. As curious as you are, looking for a dedicated Shopify Expert, I'm eager to solve the challenges you are facing in your Shopify Store. With over 5 years of experience as a Shopify Full Stack Developer, I’ve built, optimized and customized stores across various industries, including: ▸ Fashion & Apparel ▸ Beauty & Cosmetics ▸ Health & Wellness ▸ Home & Living ▸ Electronics & Tech ▸ Food & Beverage ▸ Sports & Outdoor ▸ Luxury & Jewelry ▸ B2B & Wholesale ▸ Digital Products & Subscriptions Working with me guarantees getting a holistic approach to steady improvements and implementing the features you need to boost traffic, revenue and customer satisfaction. With deep expertise in Shopify, as well as frontend, backend and database development, I find solutions to overcome your business’s unique challenges - even if your previous dev said “this can’t be done”. I love Shopify development because it lets me dive deep into data, turning complex challenges into seamless solutions. It’s the kind of work where I lose track of time - constantly refining and connecting with like-minded problem solvers who push existing solutions even further. Looking forward to hearing about your project! Feel free to reach out with any questions or ideas - I’m always happy to connect. Cheers, Till some more terms displaying my range of development services: Shopify Development, Shopify Full Stack, Shopify HTML, HTML5, Shopify CSS, Shopify JavaScript (React, Next, jQuery, TypeScript), Shopify Front End Development, Shopify Theme Customization, Shopify Liquid, Shopify App Development, Shopify Back End, React Developer, nextjs developer, typescript developer, rest api, shopify graphql, ruby on rails full stack (+Hotwire or React), Node (Express), MongoDB, Prisma, Cypress.io, CI/CD, Git/GitHub