April 9, 2026
Senior PHP Developer
Senior • On-site
110 - 140 PLN/hr
Warsaw, Poland
Warsaw (Onsite – near Metro Plac Wilsona)
💼 B2B
About Silk Software House
Silk Software House builds and maintains business-critical backend and web systems for fintech, payments, and large-scale platforms. We value ownership, strong engineering judgment, and the ability to design solutions, not just implement tickets.
Your Role
As a Senior PHP Developer, you’ll take ownership of backend solutions end-to-end: from gathering requirements, through architecture and implementation, to explaining and defending technical decisions. You’ll work closely with clients and mentor other developers.
Responsibilities
Design and develop PHP applications from scratch
Gather requirements and propose well-reasoned technical solutions
Design and maintain APIs, internal services, and data exchange systems
Design and implement CMS systems
Create new modules and evolve existing systems
Make architectural decisions and evaluate alternatives
Review code and support less experienced developers
Collaborate with DevOps on deployment, CI/CD, and monitoring
Requirement
This role requires full-time onsite work (no remote or hybrid options). Candidates must be willing and able to work from our office near the Plac Wilsona metro station
5+ years of commercial experience as a PHP Developer
Very good knowledge of PHP 8.1+
Strong commercial experience with Symfony or Laravel
Deep understanding of relational databases (MySQL/PostgreSQL)
Strong knowledge of OOP principles, design patterns, and coding standards
Experience with automated testing and testing concepts
Good understanding of application security and common vulnerabilities
Solid understanding of Git and software development workflows
Experience working in a team using Agile methodologies
Ability to independently gather requirements, design solutions, and justify decisions
Effective use of AI-assisted development tools (ChatGPT, Claude, Cursor, etc.)
English at B2+ level
Nice to Have
Docker and containerized environments
CI/CD pipelines (GitLab or GitHub)
Monitoring and observability tools
Experience in fintech or high-traffic systems
Basic frontend knowledge (HTML, CSS, JS)
Rates (B2B)
110–140 PLN / hour
Recruitment Process
Intro call (30 min)
Senior-level technical interview
Architecture & decision-making discussion
Offer
Similar jobs you might like
Technology
SILK SOFTWARE HOUSE
Mid PHP Developer
Mid
On-site
Warsaw, Poland
80 - 110 PLN/hr
🏢 Summary: Mid PHP Developer role focused on building and maintaining web applications, REST APIs, and backend services using modern PHP frameworks. The position involves developing new modules, integrating systems, and ensuring production-ready, testable code within an onsite team environment. This is a full-time B2B role based in Warsaw. 🗂️ Requirements: 3–5 years of commercial experience in PHP projects, Very good knowledge of PHP 8+, Practical experience with Symfony or Laravel, Good knowledge of MySQL or PostgreSQL, Understanding of object-oriented programming, Knowledge of design patterns, Ability to write automated tests, Knowledge of application security fundamentals, Familiarity with Git, Understanding of CI/CD concepts, Basic understanding of Docker, Full-time onsite availability in Warsaw 📃 Skills: PHP, Symfony, Laravel, MySQL, PostgreSQL, REST, OOP, DesignPatterns, Git, CI/CD, Docker, Security, Testing 🏢 Description: 📍 Warsaw (Onsite – near Metro Plac Wilsona)💼 B2B About Silk Software House Silk Software House is a Warsaw-based development company delivering high-quality fintech, e-commerce, and enterprise systems for long-term clients. We focus on clean architecture, pragmatic engineering, and building software that runs reliably in production. Your Role As a Mid PHP Developer, you’ll work on existing and new web applications, APIs, and internal systems. You’ll implement features, collaborate with the team, and grow toward greater ownership of system components. Responsibilities Develop and maintain web applications and backend services in PHP Work with Symfony or Laravel frameworks Design and maintain REST APIs and system integrations Implement new modules for existing systems Work with relational databases ( MySQL, PostgreSQL ) Write clean, testable, production-ready code Collaborate with frontend, QA, and DevOps teams Requirements This role requires full-time onsite work (no remote or hybrid options). Candidates must be willing and able to work from our office near the Plac Wilsona metro station 3–5 years of commercial experience in PHP projects Very good knowledge of PHP (8+) Practical experience with Symfony or Laravel Good knowledge of relational databases ( MySQL/PostgreSQL ) Understanding of object-oriented programming and design patterns Ability to write automated tests General knowledge of application security (common threats and protections) Familiarity with Git and basic CI/CD concepts Basic understanding of Docker (what it is and how it’s used) English at B2 level or higher Nice to Have Experience with CMS systems Basic frontend knowledge (HTML, CSS, JS) Monitoring basics (what to log, what not to log) Experience with GitLab or GitHub CI/CD pipelines Rates (B2B) 80–110 PLN / hour Recruitment Process Intro call (30 min) Technical interview or short task Final fit & project discussion Offer
Technology
SILK SOFTWARE HOUSE
Senior Java Developer
Senior
On-site
Warsaw, Poland
120 - 160 PLN/hr
🏢 Summary: Senior Java Developer role focused on designing and owning mission-critical backend systems in fintech and high-scale environments. The position involves leading microservices architecture, optimizing performance and reliability, and mentoring engineers. Full-time onsite work in Warsaw with strong emphasis on architectural quality and production-grade systems. 🗂️ Requirements: Full-time onsite availability in Warsaw, 5+ years commercial experience in Java development, Strong commercial experience with Java and Spring (Boot, Security, Data), Deep knowledge of Hibernate ORM and SQL databases, Strong understanding of JVM internals, Experience designing scalable backend architectures, Proficiency with CI/CD pipelines, Proficiency with Git, Proficiency with Gradle, Experience with production debugging, Ability to use AI-assisted development tools, English level B2 or higher 📃 Skills: Java, Spring, SpringBoot, SpringSecurity, SpringData, Hibernate, SQL, JVM, PostgreSQL, CI/CD, Git, Gradle, REST, SOLID, DDD, ChatGPT, Claude, Cursor, Grok 🏢 Description: 📍 Warsaw (Onsite – near Metro Plac Wilsona) 💼 B2B / Freelance About Silk Software House Silk Software House builds and maintains mission-critical backend systems for fintech, payments, and large-scale platforms. We value strong engineering judgment, ownership, and long-term cooperation over short-term delivery pressure. Your Role As a Senior Java Developer, you’ll take technical ownership of backend services, influence architectural decisions, and mentor other engineers. You’ll work directly on complex domains where performance, security, and reliability matter. Responsibilities Design and implement backend architectures using Java 11+ and Spring Lead development of microservices and APIs Optimize performance, scalability, and data consistency Work deeply with Hibernate , transactions, and database internals Review code, mentor developers, and set engineering standards Collaborate with DevOps on deployments and observability Requirements This role requires full-time onsite work (no remote or hybrid options). Candidates must be willing and able to work from our office near the Plac Wilsona metro station 5+ years of commercial experience as a Java Developer Strong commercial experience with Java & Spring (Boot, Security, Data) Deep knowledge of Hibernate ORM , SQL databases, and JVM behavior Experience designing scalable, maintainable backend architectures Proficiency with CI/CD, Git, Gradle, and production debugging Effective use of AI-assisted development tools ( ChatGPT, Claude, Cursor, Grok ) English at B2+ level Nice to Have Event-driven architecture (Kafka, queues) Cloud-native systems (AWS/GCP/Azure) Kubernetes, Docker, observability tools Experience in fintech or high-traffic systems Rates (B2B) 120–160 PLN / hour Recruitment Process Intro call (30 min) Senior-level technical interview Architecture & project discussion Offer Tech Stack Java: Advanced Spring Boot: Advanced Hibernate: Advanced PostgreSQL: Advanced Solid: Advanced DDD: Advanced REST API: Advanced
Technology
SILK Software House
Senior Java Developer
Senior
On-site
Warsaw, Poland
120 - 160 PLN/hr
🏢 Summary: Senior Java Developer role focused on designing and owning high-performance backend systems for fintech and large-scale platforms. The position involves leading microservices architecture, optimizing performance and data consistency, and mentoring engineers in a full-time onsite setup in Warsaw. Strong emphasis on architectural decision-making, security, and reliability in production environments. 🗂️ Requirements: 5+ years commercial experience as Java Developer, Strong commercial experience with Java and Spring (Boot, Security, Data), Deep knowledge of Hibernate ORM and SQL databases, Strong understanding of JVM behavior, Experience designing scalable backend architectures, Proficiency with CI/CD pipelines, Proficiency with Git and Gradle, Experience with production debugging, Ability to work full-time onsite in Warsaw, Effective use of AI-assisted development tools (ChatGPT, Claude, Cursor, Grok), English level B2+ or higher 📃 Skills: Java, Spring, SpringBoot, SpringSecurity, SpringData, Hibernate, SQL, PostgreSQL, JVM, CI/CD, Git, Gradle, REST, SOLID, DDD, ChatGPT, Claude, Cursor, Grok 🏢 Description: 📍 Warsaw (Onsite – near Metro Plac Wilsona) 💼 B2B / Freelance About Silk Software House Silk Software House builds and maintains mission-critical backend systems for fintech, payments, and large-scale platforms. We value strong engineering judgment, ownership, and long-term cooperation over short-term delivery pressure. Your Role As a Senior Java Developer, you’ll take technical ownership of backend services, influence architectural decisions, and mentor other engineers. You’ll work directly on complex domains where performance, security, and reliability matter. Responsibilities Design and implement backend architectures using Java 11+ and Spring Lead development of microservices and APIs Optimize performance, scalability, and data consistency Work deeply with Hibernate , transactions, and database internals Review code, mentor developers, and set engineering standards Collaborate with DevOps on deployments and observability Requirements This role requires full-time onsite work (no remote or hybrid options). Candidates must be willing and able to work from our office near the Plac Wilsona metro station 5+ years of commercial experience as a Java Developer Strong commercial experience with Java & Spring (Boot, Security, Data) Deep knowledge of Hibernate ORM , SQL databases, and JVM behavior Experience designing scalable, maintainable backend architectures Proficiency with CI/CD, Git, Gradle, and production debugging Effective use of AI-assisted development tools ( ChatGPT, Claude, Cursor, Grok ) English at B2+ level Nice to Have Event-driven architecture (Kafka, queues) Cloud-native systems (AWS/GCP/Azure) Kubernetes, Docker, observability tools Experience in fintech or high-traffic systems Rates (B2B) 120–160 PLN / hour Recruitment Process Intro call (30 min) Senior-level technical interview Architecture & project discussion Offer Tech Stack Java: Advanced Spring Boot: Advanced Hibernate: Advanced PostgreSQL: Advanced Solid: Advanced DDD: Advanced REST API: Advanced
Technology
SILK SOFTWARE HOUSE
Senior Frontend Developer (React)
Senior
On-site
Warsaw, Poland
110 - 140 PLN/hr
🏢 Summary: Senior Frontend Developer role focused on designing and owning frontend architecture for complex web applications in fintech and enterprise domains. The position involves building advanced React applications with TypeScript, making architectural decisions, and ensuring high performance, security, and code quality. Full-time onsite work in Warsaw with strong collaboration across backend and product teams. 🗂️ Requirements: Full-time onsite availability in Warsaw, 5+ years professional programming experience, Strong commercial experience with React, Excellent knowledge of TypeScript, Deep understanding of React state management and rendering, Very good knowledge of HTML5 and CSS3, Strong experience with TailwindCSS, Experience designing frontend architectures, Experience integrating REST or GraphQL APIs, Knowledge of authentication and authorization flows, Understanding of frontend security and performance optimization, Experience diagnosing performance and rendering issues, Proficiency with Git and professional workflows, Experience working in Agile teams, Ability to use AI-assisted development tools, English level B2+ 📃 Skills: React, TypeScript, HTML5, CSS3, TailwindCSS, REST, GraphQL, Git, Agile, Next.js, WCAG, CICD, Storybook, i18n, Authentication, Authorization, Security, Performance 🏢 Description: 📍 Warsaw (Onsite – near Metro Plac Wilsona)💼 B2B About Silk Software House Silk Software House builds and maintains business-critical web applications for fintech, payments, and enterprise clients. We value ownership, strong technical judgment, and developers who can design solutions, not just implement tasks. Your Role As a Senior Frontend Developer, you’ll take responsibility for frontend architecture, make key technical decisions, and ensure long-term code quality and performance. You’ll collaborate closely with backend teams and help shape how frontend systems are built and evolved. Responsibilities Design and build frontend architecture for web applications Develop complex React applications using TypeScript Make and justify architectural and technical decisions Optimize performance, rendering, and user experience Define and enforce frontend best practices and coding standards Integrate frontend systems with REST / GraphQL APIs Review code and support less experienced developers Collaborate with architects, backend developers, and product stakeholders Support existing projects through modernization and optimization Requirements This role requires full-time onsite work (no remote or hybrid options). Candidates must be willing and able to work from our office near the Plac Wilsona metro station 5+ years of professional programming experience , including strong React experience Excellent knowledge of TypeScript Deep understanding of React , state management, and rendering behavior Very good knowledge of HTML5, CSS3 , and responsive design Strong experience with TailwindCSS Solid understanding of authentication and authorization flows Good knowledge of frontend security and performance optimization Experience designing and building frontend architectures Experience diagnosing complex performance and rendering issues Familiarity with Git and professional development workflows Experience working in teams using Agile methodologies Ability to use AI-assisted development tools effectively English at B2+ level , enabling smooth communication Nice to Have Next.js Accessibility standards ( WCAG ) E2E testing frameworks CI/CD pipelines Storybook i18n support in production applications Rates (B2B) 110–140 PLN / hour Recruitment Process Intro call (30 min) Senior-level technical interview Architecture & decision-making discussion Offer
Technology
SILK SOFTWARE HOUSE
Senior Fullstack Developer
Senior
On-site
Warsaw, Poland
120 - 180 PLN/hr
🏢 Summary: Fullstack Developer role focused on building and maintaining production-grade backend services in Node.js (NestJS/Express) and frontend applications in React/Next.js with TypeScript. The position involves working with databases and APIs to deliver long-term fintech, e-commerce, and enterprise systems. Onsite work in Warsaw with a strong emphasis on backend expertise and production experience. 🗂️ Requirements: Strong backend skills in Node.js and NestJS, Minimum 5 years of experience in backend development, Minimum 2 years of experience maintaining production applications, Solid frontend skills in React and TypeScript, Experience with database integration, Experience with API integration, Experience mentoring mid or junior developers, Ability to work 100% onsite in Warsaw 📃 Skills: Node.js, NestJS, Express, React, Next.js, TypeScript, PostgreSQL, MongoDB, APIs, Microservices, Cloud 🏢 Description: 📍 Warsaw (Onsite – near Metro Plac Wilsona) 💼 B2B About Silk Software House We build modern, scalable applications with fintech-grade reliability and strong backend architecture. Our projects focus on high-performance web platforms and integrations using Java Spring and Node.js ecosystems. Your Role As a Fullstack Developer, you’ll primarily work with Node.js on the backend, React on the frontend, sometimes also with Next.js Responsibilities Develop backend services with Node.js (NestJS/Express) * Build frontend apps with React/Next.js + TypeScript * Work with databases (PostgreSQL, MongoDB) and APIs Collaborate with design and backend teams Requirements Strong backend skills in Node.js/NestJS At least 5 years of experience in backend applications At least 2 years of experience in maintaining production applications Solid frontend skills in React + TypeScript Database and API integration knowledge Experience mentoring mid/junior developers Ability to work 100% onsite from our office near Metro Plac Wilsona, Warsaw Nice-to-have Microservices and cloud deployment experience Rates (B2B/Freelance) Senior: 120 - 180 PLN/h Recruitment Process 1. Intro Call (30 min) – Quick chat about your experience, expectations, and our projects. 2. Technical Interview / Task – Backend (Node.js) and frontend (React) focus. 3. Final Meeting – Culture/fit + project discussion. 4. Offer – Fast decision if it’s a match. 5. Process usually takes 2–3 weeks . 6. Feedback after each stage within a few days
Technology
SILK SOFTWARE HOUSE
Mid Java Developer
Mid
On-site
Warsaw, Poland
90 - 120 PLN/hr
🏢 Summary: Offer for a Mid Java Developer to build and maintain scalable backend systems using Java and Spring Boot in a full-time onsite role. The position involves developing REST APIs and microservices, working with relational databases, and collaborating with cross-functional teams. The role focuses on clean, production-ready code and gradual ownership of system components. 🗂️ Requirements: 3–5 years commercial experience as Java Developer, Strong Java 11+ knowledge, Practical Spring Boot experience, Solid Hibernate ORM knowledge, Experience with SQL and relational databases, Experience with Git, Experience with Gradle or Maven, Experience with CI/CD pipelines, Ability to use AI development tools, English B2 or higher, Full-time onsite availability in Warsaw 📃 Skills: Java, Spring, SpringBoot, Hibernate, SQL, PostgreSQL, MySQL, Git, Gradle, Maven, CI/CD, REST, Microservices, DDD, Kafka, AWS, GCP, Azure, Docker, Kubernetes 🏢 Description: 📍 Warsaw (Onsite – near Metro Plac Wilsona) 💼 B2B About Silk Software House Silk Software House is a Warsaw-based development company delivering high-quality fintech, e-commerce, and enterprise systems for long-term clients. We focus on clean architecture, pragmatic engineering, and building software that actually runs in production for years. Your Role As a Mid Java Developer, you’ll work on real-world backend systems used by thousands of users. You’ll develop and maintain scalable services, collaborate closely with senior engineers, and gradually take ownership of system components. Responsibilities -Develop and maintain backend services in Java (11+) using Spring Boot -Implement and evolve REST APIs and microservices -Work with relational databases ( PostgreSQL, MySQL ) and Hibernate -Write clean, testable, production-ready code -Collaborate with frontend, QA, and DevOps teams Requirements This role requires full-time onsite work (no remote or hybrid options). Candidates must be willing and able to work from our office near the Plac Wilsona metro station 3–5 years of commercial experience as a Java Developer Practical experience with Java and Spring Boot Solid understanding of Hibernate ORM and SQL databases Familiarity with Git, Gradle/Maven, CI/CD pipelines Ability to use modern AI dev tools effectively ( ChatGPT, Claude, Cursor, etc. ) English at B2 level or higher Nice to Have Kafka or event-driven systems Basic cloud experience (AWS, GCP, Azure) Docker, Kubernetes basics Rates (B2B) 90–120 PLN / hour Recruitment Process Intro call (30 min) Technical interview or short task Final fit & project discussion Offer Tech Stack Java: Regular Spring Boot: Regular Hibernate: Regular PostgreSQL: Regular Solid: Regular DDD: Regular REST API: Regular
Technology
SILK SOFTWARE HOUSE
Mid Frontend Developer (React)
Mid
On-site
Warsaw, Poland
80 - 110 PLN/hr
🏢 Summary: Full-time onsite Mid Frontend Developer role focused on building and maintaining modern web applications using React. The position involves translating Figma designs into pixel-perfect, responsive interfaces and integrating with REST/GraphQL APIs. You will collaborate with backend teams to deliver secure, high-performance frontend solutions. 🗂️ Requirements: Full-time onsite work in Warsaw (near Metro Plac Wilsona), 2–4 years commercial experience with React, Strong knowledge of JavaScript, Strong knowledge of TypeScript, Very good knowledge of HTML5, Very good knowledge of CSS3, Practical experience with TailwindCSS, Experience with state management patterns, Understanding of frontend security basics, Experience testing React components, Familiarity with Git workflows, Basic knowledge of Docker, Ability to use AI tools in development, English level B2+ 📃 Skills: React, JavaScript, TypeScript, HTML5, CSS3, TailwindCSS, REST, GraphQL, Git, Docker, Figma, WCAG, Next.js, Storybook, CI/CD, i18n 🏢 Description: Warsaw (Onsite – near Metro Plac Wilsona)💼 B2B About Silk Software House Silk Software House is a Warsaw-based development company delivering high-quality fintech, e-commerce, and enterprise systems for long-term clients. We focus on clean architecture, pragmatic engineering, and software that performs well in production. Your Role As a Mid Frontend Developer, you’ll design and implement modern web applications using React. You’ll work closely with backend developers and designers, translate Figma designs into pixel-perfect UI, and help maintain and evolve existing products. Responsibilities Design and implement modern web applications using React Build responsive, pixel-perfect UI based on Figma designs Integrate frontend applications with REST / GraphQL APIs Implement authentication and authorization flows Maintain and optimize existing frontend codebases Diagnose performance and rendering issues Collaborate with system architects, backend developers, and other stakeholders Ensure code quality, performance, and maintainability Requirements This role requires full-time onsite work (no remote or hybrid options). Candidates must be willing and able to work from our office near the Plac Wilsona metro station 2–4 years of commercial experience with modern React Strong knowledge of JavaScript and TypeScript Very good understanding of HTML5 and CSS3 Practical experience with TailwindCSS Experience with common state management patterns Good understanding of frontend security basics Basic experience with testing React components Familiarity with Git and standard development workflows Basic understanding of Docker Ability to use AI tools as part of the development workflow English at B2+ level with good communication skills Nice to Have Internationalization ( i18n ) E2E tests CI/CD pipelines Accessibility standards ( WCAG ) Experience with Next.js Storybook Rates (B2B) 80–110 PLN / hour Recruitment Process Intro call (30 min) Technical interview or short task Final fit & project discussion Offer
Technology
SILK SOFTWARE HOUSE
Mid Fullstack Developer
Mid
On-site
Warsaw, Poland
90 - 130 PLN
🏢 Summary: Onsite Fullstack Developer role focused on building scalable, production-ready web applications using Java Spring and Node.js on the backend and React on the frontend. The position involves developing REST APIs, integrations, and high-performance systems with relational databases, contributing to architecture and technical decisions. Work is 100% onsite in Warsaw under a B2B contract. 🗂️ Requirements: Ability to work 100% onsite in Warsaw, Commercial experience with Java, Commercial experience with Spring Boot, Commercial experience with Node.js, Experience with React, Experience with TypeScript, Knowledge of PostgreSQL, Knowledge of MySQL, Knowledge of MariaDB, Experience building production applications, Understanding of REST APIs, Understanding of backend architecture, English B2 level or higher 📃 Skills: Java, Spring, SpringBoot, Node.js, NestJS, Express, React, Next.js, TypeScript, PostgreSQL, MySQL, MariaDB, REST, Git, Docker, CI/CD 🏢 Description: 📍 Warsaw (Onsite – near Metro Plac Wilsona) 💼 B2B About Silk Software House We build modern, scalable applications with fintech-grade reliability and strong backend architecture. Our projects focus on high-performance web platforms and integrations using Java Spring and Node.js ecosystems. Your Role As a Fullstack Developer, you’ll primarily work with Java Spring and Node.js on the backend, and React on the frontend. You’ll collaborate closely with backend and frontend engineers to deliver scalable production-ready applications. Responsibilities Develop backend services using Java / Spring Boot and Node.js (NestJS / Express) Build frontend applications with React / Next.js + TypeScript Design and maintain REST APIs and integrations Work with relational databases including PostgreSQL, MySQL, and MariaDB Collaborate with designers, backend developers, and product teams Participate in architecture and technical decision-making Maintain and improve production applications Requirements Ability to work 100% onsite from our office near Metro Plac Wilsona, Warsaw Commercial experience with Java / Spring Boot, Node.js backend development Experience with React + TypeScript Good knowledge of relational databases (PostgreSQL, MySQL, MariaDB) Experience building and maintaining production applications Understanding of API integrations and backend architecture English at least B2 level Nice to have Experience with microservices architecture Cloud deployment experience CI/CD knowledge Docker and containerization experience Experience with scalable backend systems Tech Stack Area: Technologies Backend: Java Spring Boot, Node.js, NestJS, Express Frontend: React, Next.js, TypeScript Databases: PostgreSQL, MySQL, MariaDB DevOps: Docker, CI/CD Tools: Git, REST APIs Recruitment Process 1. Intro Call – Quick chat about your experience, expectations, and our projects 2. Technical Interview / Task – Backend and frontend discussion focused on Java Spring, Node.js, and React 3. Final Meeting – team fit and project discussion 4. Fast feedback after each stage within a few days. 5. Process usually takes 2–3 weeks .
Technology
New offer
Antal Sp. z o.o.
PHP/Apache Developer
Senior
Hybrid
Warsaw, Poland
130 - 150 PLN/hr
🏢 Summary: Senior PHP/Apache Developer role focused on maintaining, supporting, and enhancing a warehouse management application for a global logistics organization. The position involves system integrations, application customization, troubleshooting, and performance optimization in an Agile environment. Hybrid work model in Warsaw with long-term project stability and B2B contract. 🗂️ Requirements: 6+ years commercial software development experience, Strong PHP experience, Strong Apache experience, Strong SQL experience, Java knowledge for integrations and existing components support, Experience maintaining business-critical applications, Experience with system integrations, Analytical and problem-solving skills, Ability to work independently, Agile/Scrum experience, English proficiency at B2 level or higher 📃 Skills: PHP, Apache, SQL, Java, Agile, Scrum, WMS 🏢 Description: Senior PHP/Apache Developer Warsaw, Poland (Hybrid – 1–2 days per week onsite) Up to 150 PLN/hour (B2B) Start Date: August 2026 About the Project: We are looking for an experienced Senior PHP/Apache Developer to join a long-term project for a leading global organization operating in the logistics and transportation sector. In this role, you will be responsible for the support, maintenance, and further development of a warehouse management application that plays a key role in daily business operations. You will also contribute to system integrations and application customizations tailored to business needs. Your Responsibilities: - Maintain and enhance a warehouse application built with PHP. - Provide production support and troubleshoot complex technical issues. - Develop and maintain integrations with internal and external systems. - Analyze business requirements and implement new functionalities. - Customize existing solutions to meet evolving operational needs. - Optimize application and database performance. - Collaborate closely with technical teams and business stakeholders. Requirements: Must-have: - 6+ years of commercial experience as a software developer. - Strong hands-on experience with: - PHP - Apache - SQL - Java (for supporting and understanding existing integrations and components) - Experience supporting and maintaining business-critical applications. - Proven track record working with system integrations. - Strong analytical and problem-solving skills. - Ability to work independently and communicate effectively with stakeholders. - Practical experience working in Agile/Scrum methodologies. - English proficiency at B2 level or higher, with the ability to communicate effectively in daily interactions with international teams and stakeholders. Nice to Have: - Experience in logistics, transportation, warehouse management, or supply chain projects. - Familiarity with Warehouse Management Systems (WMS). - Experience working in enterprise-scale environments. What We Offer: - Private healthcare (LuxMed). - Sports card (MultiSport). - Opportunity to work on a business-critical application used in a global logistics environment. - Collaborative and experienced team.
Technology
DevsData LLC
Senior Software Engineer (Shopify)
Senior
Hybrid
Warsaw, Poland
21,500 - 28,700 PLN/mo
🏢 Summary: Senior Software Engineer role focused on designing, developing, and integrating advanced Shopify (primarily Shopify Plus) solutions within enterprise environments. The position involves building custom applications, headless architectures, and complex integrations with core business systems. Hybrid full-time role in Warsaw with B2B or CoE contract options. 🗂️ Requirements: 5+ years of experience in e-commerce architecture or technical consulting, Minimum 3 years of hands-on experience with Shopify ecosystem, Strong experience with Shopify Plus, including admin and app ecosystem, Experience building custom Shopify applications, Experience with Shopify Functions and Checkout UI extensions, Experience with headless Shopify architectures, Hands-on experience with Microsoft Entity Framework, Experience working with Shopify REST and GraphQL APIs, Strong knowledge of HTML, CSS, JavaScript, TypeScript, Experience integrating Shopify with ERP, OMS, PIM or similar enterprise systems 📃 Skills: Shopify, ShopifyPlus, Liquid, Hydrogen, Oxygen, EntityFramework, REST, GraphQL, HTML, CSS, JavaScript, TypeScript, SCSS, ShopifyFunctions, CheckoutUI, Node.js, Ruby 🏢 Description: 💰 Salary: 21,500-28,700 PLN/Month 💻 Warsaw, Poland (Hybrid - 3 days in office, 2 days remote) 🕦 Full-time ☑️ B2B or CoE We’re looking for a Senior Software Engineer to join a fast-growing international tech company focused on building modern, data-driven platforms that power digital transformation in the financial and enterprise sectors. Requirements: 5+ years of experience in e-commerce architecture, technical consulting, or a comparable senior level role, with a minimum of 3 years focused on the Shopify ecosystem. Strong hands-on experience with the Shopify platform, particularly Shopify Plus, including admin capabilities, Liquid templating, and the broader app ecosystem. Proven experience building custom Shopify applications, including advanced customizations using Shopify Functions and Checkout UI extensions. Solid understanding of headless Shopify architectures, with experience in Hydrogen and Oxygen implementations. Hands-on experience working with Microsoft Entity Framework. experience working with Shopify APIs, including REST and GraphQL, along with strong knowledge of modern web technologies such as HTML, CSS, JavaScript and TypeScript. Demonstrated ability to design and deliver integrations with enterprise systems such as ERP, OMS, and PIM. Nice to have: Previous experience leading or contributing to re platforming projects from legacy systems. Familiarity with backend technologies such as Node.js and Ruby. Shopify certifications or other relevant e-commerce platform certifications. Key Responsibilities: Design and document end to end technical architectures for both new and existing Shopify (primarily Shopify Plus) stores, covering storefront implementation (headless or theme based), backend services, integration strategy, and security. Develop, customize, and maintain high quality Shopify themes using HTML5, Liquid, CSS3/SCSS, along with JavaScript and TypeScript. Implement and design complex integrations between Shopify and core enterprise platforms such as CRM, CDP, WMS, PIM, OMS, and ERP, utilizing GraphQL and REST APIs. Develop and manage custom Shopify applications, delivering advanced capabilities through Shopify Functions and Checkout Extensibility to support specific client requirements. Collaborate closely with the Sales team to support technical evaluations, define solution scope, estimate effort, and deliver clear, compelling technical presentations to clients. Provide technical guidance to stakeholders and engineering teams, advising on Shopify solutions, architecture decisions, and industry best practices.