April 8, 2026

Senior Shopify Engineer

Senior • Hybrid

6,000 - 6,500 USD

Warsaw, Poland

Overview


We are a company that focuses on AI-based solutions for business operations. We provide digital products and consulting services that help companies grow and improve. We use modern technology to make processes simpler, increase efficiency, and create new ways to earn money, especially in private capital markets.

Our system includes three main parts:

  • PaaS (Platform as a Service): our main platform that helps improve workflows, show useful data, and support growth across companies.

  • SaaS (Software as a Service): a cloud platform that offers strong performance, smart tools, and scalable solutions.

  • Solutions and Consulting: flexible tools and methods to help manage, grow, and improve company results.

We have more than 10 years of experience working with fast-growing companies and private equity businesses. We know how to use technology to create real business value.

Responsibilities and Duties

  • Design and document full technical architecture for Shopify stores (mainly Shopify Plus), including frontend, backend, integrations, and security

  • Use modern e-commerce approaches like headless and composable commerce

  • Decide when to build, buy, or extend solutions in Shopify

  • Develop and maintain custom Shopify themes using Liquid, HTML, CSS, and JavaScript/TypeScript (including React)

  • Build or integrate custom Shopify apps and advanced features

  • Work with Shopify Functions, webhooks, and checkout customization

  • Improve checkout, cart, and product flows to increase sales and track data

  • Manage integrations with systems like ERP, PIM, and payment providers

  • Work closely with product managers, designers, and stakeholders

Requirements

  • At least 5 years of experience in e-commerce architecture or technical roles, including 3+ years with Shopify

  • Strong knowledge of Shopify, especially Shopify Plus, Liquid, and the app ecosystem

  • Experience with headless Shopify (Hydrogen/Oxygen)

  • Experience building custom apps and using Shopify Functions and checkout extensions

  • Good knowledge of Shopify APIs (REST, GraphQL) and web technologies (HTML, CSS, JavaScript/TypeScript, React/Next.js)

  • Experience with integrations (ERP, OMS, PIM systems)

  • Good communication skills

  • Ability to think critically and creatively

  • Strong problem-solving and teamwork skills

Nice-to-haves

  • Shopify certification or similar

  • Experience moving from old systems to new platforms

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Warsaw, Poland

8,000 - 9,000 USD

🏢 Summary: Senior Full Stack Team Lead role focused on building and scaling web applications using React and Node.js while leading a development team. The position combines hands-on front-end and back-end development with architecture design, API development, and deployment in cloud environments. You will drive technical decisions, ensure code quality, and oversee delivery of scalable, production-ready systems. 🗂️ Requirements: 7+ years full-stack development experience with React and Node.js, 2+ years experience in leadership or senior technical role, Strong experience with React.js, Redux, React Hooks, Strong knowledge of HTML5, CSS3, modern JavaScript, Proficiency in Node.js and Express.js, Experience building REST APIs, Experience with PostgreSQL or MySQL, Experience with authentication methods (OAuth, JWT, sessions), Experience with CI/CD and Docker, Experience working with production systems, Experience with Git, Understanding of Agile/Scrum methodologies 📃 Skills: React, Redux, JavaScript, HTML5, CSS3, Node.js, Express, REST, GraphQL, PostgreSQL, MySQL, OAuth, JWT, Docker, Kubernetes, AWS, Azure, GCP, Git, CI/CD, Webpack, Babel, Vite, MongoDB 🏢 Description: Overview We are a leading company in AI-based enterprise operations. We provide digital solutions and consulting services that help businesses grow and improve. We use modern technology to make processes simpler, increase efficiency, and create new ways to earn money, especially in private capital markets. Our ecosystem includes three main parts. First, PaaS (Platform as a Service) with the Orion Platform, which helps improve workflows, show useful insights, and support value growth across portfolios. Second, SaaS (Software as a Service), a cloud platform that offers strong performance and smart tools at scale. Third, our Solutions and Consulting Suite, which includes flexible technology solutions to manage, grow, and improve company performance. With more than 10 years of experience, we support fast-growing companies and private equity platforms, turning technology into a real business advantage. Responsibilities and Duties We are looking for an experienced Full Stack Team Lead with strong skills in React and Node.js. The right person has over 7 years of experience building high-quality web applications and has experience leading a team. You will guide developers, work on both front-end and back-end, take part in all stages of development, and support junior team members. Key Responsibilities Team Leadership & Mentorship: Lead and support a team of developers. Help them grow, review code, and give technical advice. Front-End Development: Build and maintain user interfaces using React.js, Redux, and modern JavaScript. Back-End Development: Create strong and scalable server applications and APIs using Node.js and Express. Integration: Work with database engineers to design databases and manage data using MongoDB or SQL. Application Architecture: Design scalable systems and microservices that meet business needs. Testing & Debugging: Write tests, fix issues, and improve performance. Support good testing practices. Deployment: Manage releases using CI/CD tools and Docker. Collaboration: Work with designers, product managers, and developers to create useful solutions. Communicate with both technical and non-technical teams. Maintenance: Monitor systems, fix problems, and improve applications. Documentation: Write and maintain technical documents for systems and APIs. Requirements Front-End: Strong experience with React.js, Redux, React Hooks, and component-based design Good knowledge of HTML5, CSS3, and modern JavaScript Familiar with tools like Webpack, Babel, or Vite Back-End: Strong skills in Node.js and Express.js Experience building and using APIs (GraphQL is a plus, REST is required) Knowledge of authentication methods like OAuth, JWT, and sessions Database: Experience with PostgreSQL or MySQL Additional Skills: Experience with Docker and Kubernetes is a plus Knowledge of cloud platforms like AWS, Azure, or GCP Experience with Git Understanding of Agile/Scrum methods Qualifications At least 7 years of experience in full-stack development with React and Node.js At least 2 years in a leadership or senior role Experience working with live production systems Bachelor’s degree in Computer Science or similar (preferred) Soft Skills Strong problem-solving and analytical thinking Good communication and teamwork skills Ability to work independently and manage tasks well Willingness to learn new technologies and improve continuously Why Join Us? We look for people who solve problems creatively, learn quickly, and enjoy working in an open and diverse team. We work hard, but we also like to enjoy what we do and aim for high results.

Technology

Be in IT

Shopify Developer

Mid

Remote

Warsaw, Poland

90 - 110 PLN/hr

🏢 Summary: Full-time B2B role for a Shopify Developer working on advanced international eCommerce projects, delivering end-to-end frontend solutions based on Shopify and modern technologies. The position focuses on building and developing custom themes and functionalities in a component-based architecture. Fully remote work with responsibility for technical decisions and high-quality code delivery. 🗂️ Requirements: 3–5 years of experience in eCommerce projects with Shopify, Strong knowledge of Liquid, Strong knowledge of JavaScript, Strong knowledge of React, Strong knowledge of Tailwind CSS, Strong knowledge of GraphQL, Strong knowledge of REST, Experience in developing Shopify themes, APIs, applications and extensions, Understanding of component-based frontend architecture, Basic knowledge of microservices, Experience working in Agile methodologies, Experience with Jira or Confluence, English level B2 or higher 📃 Skills: Shopify, Liquid, JavaScript, React, Tailwind, GraphQL, REST, Git, Jira, Confluence, Agile, Microservices 🏢 Description: Be in IT to firma rekrutacyjna, wyspecjalizowana w poszukiwaniu Specjalistów z branży technologii informatycznych. Obecnie, dla naszego klienta, poszukujemy osoby na stanowisko: Shopify Developer Zakres obowiązków: Długofalowa współpraca z międzynarodowym klientem realizującym projekty eCommerce, w środowisku opartym o nowoczesne technologie frontendowe oraz platformę Shopify . Realizacja end-to-end rozwiązań frontendowych w oparciu o Shopify, w tym tworzenie i rozwój customowych motywów oraz funkcjonalności. Tworzenie wysokiej jakości kodu przy użyciu technologii takich jak Liquid, JavaScript, React, Tailwind oraz GraphQL. Praca zarówno indywidualna, jak i zespołowa, z zachowaniem wysokich standardów jakości oraz terminowości. Ścisła współpraca z interesariuszami projektu – klientami, zespołami developerskimi oraz product ownerami. Analiza wymagań oraz dbałość o szczegóły implementacyjne, w tym edge case’y oraz kryteria akceptacyjne. Podejmowanie decyzji technicznych z uwzględnieniem kompromisów między jakością kodu a terminami delivery. Wsparcie procesu wdrożeń oraz koordynacja release’ów w celu zapewnienia stabilnych deployów. Realizacja średnio- i wysokozaawansowanych funkcjonalności frontendowych w architekturze komponentowej. Oczekujemy: Minimum 3–5 lat doświadczenia w projektach eCommerce, w szczególności z wykorzystaniem platformy Shopify. Bardzo dobrej znajomości Liquid, JavaScript, React, Tailwind CSS, GraphQL, REST oraz Git. Praktycznego doświadczenia w tworzeniu i rozwijaniu rozwiązań Shopify (motywy, API, aplikacje, rozszerzenia). Zrozumienia architektury frontendowej (component-based) oraz podstaw mikroserwisów. Doświadczenia w pracy w metodykach Agile oraz znajomości narzędzi takich jak Jira, Confluence lub podobnych. Umiejętności analitycznego myślenia oraz rozwiązywania problemów. Dbałości o szczegóły oraz jakościowego podejścia do tworzonego kodu. Zrozumienia zachowań użytkowników oraz podstaw marketingu w eCommerce. Samodzielności w działaniu oraz umiejętności podejmowania decyzji technicznych. Znajomości języka angielskiego na poziomie min. B2. Oferujemy: Wynagrodzenie w przedziale 90–110 PLN/h netto + VAT w modelu B2B (full-time) Pracę w pełni zdalną. Udział w rozwoju nowoczesnych projektów eCommerce opartych o Shopify. Możliwość pracy przy złożonych i niestandardowych wdrożeniach. Sprawny proces rekrutacyjny: rozmowa z rekruterem (30 min), rozmowa z team leaderem (30 min), zadanie techniczne, oferta.