Full-Stack Developer – Next-Gen E-commerce (Shopify)

🏢 Summary: The offer is for an experienced Shopify Developer to lead end-to-end technical architecture and development of Shopify (mainly Shopify Plus) stores, including headless implementations and complex integrations. The role focuses on storefront development, custom app creation, system integrations, and architectural decision-making within modern commerce environments. It combines hands-on development with strategic technical leadership in a hybrid work model. 🗂️ Requirements: 5+ years experience in e-commerce solution architecture or senior technical role, Minimum 3 years of dedicated Shopify experience, Proven expertise with Shopify platform, especially Shopify Plus, Experience with headless Shopify architectures including Hydrogen and Oxygen, Experience developing custom Shopify apps, Experience with Shopify Functions and Checkout UI extensions, Strong experience with Shopify REST and GraphQL APIs, Strong knowledge of HTML, CSS, JavaScript or TypeScript, Experience with React or Next.js, Experience integrating ERP, OMS or PIM systems 📃 Skills: Shopify, ShopifyPlus, Liquid, HTML5, CSS3, SCSS, JavaScript, TypeScript, React, Next.js, Hydrogen, Oxygen, REST, GraphQL, ERP, OMS, PIM, Node.js, Ruby, ShopifyFunctions, Webhooks 🏢 Description: Shopify Developer IT · Warsaw (City Center) · Hybrid About the Client Our Client is a fast-growing, international technology company that provides innovative digital solutions for the global market. They are currently expanding and developing their R&D center in Warsaw. They are a leader in AI-powered enterprise operations, delivering digital solutions and consulting services that drive value and transform businesses. They specialize in using advanced technology to streamline operations, improve efficiency, and unlock new revenue opportunities, particularly within the private capital markets. With over a decade of experience supporting high-growth companies, they bring deep domain expertise and a proven ability to turn technology into a strategic advantage. Role Overview We are seeking an experienced Shopify Developer to design and document the complete end-to-end technical architecture for new and existing Shopify (primarily Shopify Plus) stores. In this role, you will be responsible for storefront design (headless or theme-based), backend services, integration strategies, and security. You will act as a key technical expert evaluating modern commerce patterns and guiding architectural decisions. Key Responsibilities Architecture & Strategy: Design and document end-to-end technical architectures, evaluate modern commerce patterns (headless, composable commerce), and lead decisions on build vs. buy vs. extend within the Shopify ecosystem. Storefront Development: Build and maintain complex custom themes and storefronts using Liquid, HTML5, CSS3/SCSS, and JavaScript/TypeScript or other JS frameworks like React. App & Feature Integration: Integrate, build, and maintain custom Shopify applications (private or public). Implement advanced functionality using Shopify Functions, webhooks, and Checkout Extensibility. Optimization: Customize checkout, cart, and product flows for enhanced analytics and conversion optimization. System Integrations: Lead and manage integrations with external ERP systems, PIM systems, and payment gateways. Collaboration: Partner closely with product managers, stakeholders, and designers to implement changes and enhancements. Requirements & Qualifications Experience: 5+ years of experience in e-commerce solution architecture, technical consulting, or an equivalent senior technical role, including at least 3 years of dedicated Shopify experience. Shopify Expertise: Proven expertise with the Shopify platform (especially Shopify Plus), its admin features, Liquid templating, and the app ecosystem. Headless Commerce: Proven expertise with headless Shopify architectures, including Hydrogen/Oxygen implementations. Customization: Experience developing custom Shopify apps, utilizing Shopify Functions, and implementing Checkout UI extensions for advanced customizations. Technical Skills: Strong hands-on experience with Shopify's APIs (REST and GraphQL) and a solid understanding of modern web technologies including HTML, CSS, JavaScript/TypeScript, and React/Next.js. Integrations: Experience in architecting and implementing integrations with major enterprise back-office systems (ERP, OMS, PIM). Soft Skills: Excellent communication skills, critical thinking, creativity, and a systematic, logical approach to problem-solving and teamwork. Nice-to-Haves: Shopify Certification or other relevant e-commerce platform certifications, prior experience in re-platforming from legacy systems, and familiarity with back-end languages (e.g., Node.js, Ruby). What Is Offered Compensation: Monthly compensation up to $6,500 USD . Contract Type: B2B contract via Optiveum. Work Model: Hybrid (3 days working from the office located in the center of Warsaw, 2 days working from home). Stability: Long-term cooperation with a stable, international organization. Culture: We value creative problem solvers who learn fast, work well in an open and diverse environment, and enjoy pushing the bar for success ever higher. We work hard, but we also choose to have fun while doing it.

🏢 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.

🏢 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.

🏢 Summary: The role involves end-to-end development of custom Shopify themes and frontend solutions, delivering medium to high complexity features in eCommerce projects. The position requires strong expertise in Shopify best practices and modern frontend technologies, with ownership of the release process and technical quality. 🗂️ Requirements: 3–5 years of experience in eCommerce environments, Strong knowledge of Liquid, JavaScript, React, Tailwind CSS, GraphQL, REST, Git, Hands-on experience with Shopify (themes, APIs, apps, functions, extensions), Solid understanding of frontend and component-based architectures, Understanding of microservices architecture, Familiarity with SDLC and Agile methodologies, Experience with Jira, Confluence or similar tools, Understanding of user behavior and marketing principles in eCommerce 📃 Skills: Liquid, JavaScript, React, Tailwind, GraphQL, REST, Git, Shopify, APIs, Microservices, Agile, Jira, Confluence, eCommerce 🏢 Description: 🌍 Hello World! We are The Codest -  International Tech Software Company with tech hubs in Poland delivering global IT solutions and projects. Our core values lie in “Customers and People First” approach that prioritises the needs of our customers and a collaborative environment for our employees, enabling us to deliver exceptional products and services. Our expertise centers on web development, cloud engineering, DevOps and quality. After many years of developing our own product - Yieldbird, which was honored as a laureate of the prestigious Top25 Deloitte awards, we arrived at our mission: to help tech companies build impactful product and scale their IT teams through boosting IT delivery performance. Through our extensive experience with product development challenges, we have become experts in building digital products and scaling IT teams. But our journey does not end here - we want to continue our growth. If you’re goal-driven and looking for new opportunities, join our team! What awaits you is an enriching and collaborative environment that fosters your growth at every step. 💡 Project Description: As a Shopify Developer you will be responsible for delivering end-to-end technical execution of custom Shopify themes and frontend solutions. The ideal candidate brings several years of experience leading Shopify development projects, has a strong grasp of platform best practices, and is comfortable working with modern technologies. 📈 Your Responsibilities : Develop high-quality frontend solutions using Liquid, JavaScript, React, Tailwind, and GraphQL Bring strong experience with the Shopify platform and its best practices Work effectively both independently and within a team to maintain high standards Communicate clearly with clients, developers, and project stakeholders Pay close attention to detail, including edge cases and acceptance criteria Make informed decisions balancing code quality, timelines, and delivery Support and coordinate the release process to ensure smooth deployments Own and deliver medium to high complexity frontend features end-to-end 🔑 Key Requirements: Strong knowledge of Liquid, JavaScript, React, Tailwind CSS, GraphQL, REST, and Git Hands-on experience with Shopify development (themes, APIs, apps, functions, extensions) 3–5 years of experience in eCommerce environments Solid understanding of frontend, component-based architectures and microservices Familiarity with software development lifecycle and Agile methodologies Experience using Jira, Confluence, or similar ticketing tools Strong problem-solving skills and attention to detail Good understanding of user behavior and marketing principles in eCommerce ➕Nice to have: Ability to work independently and take ownership of tasks Confidence in making decisions with minimal supervision Experience handling complex, non-standard Shopify projects 📜Our Promise (what you can expect from us): 19-22k PLN on B2B 100% remote work 300 PLN to use on our benefits platform, Worksmile - gift cards, medical services, sports, etc. Our B2B contract contains provisions that allow you to obtain IP BOX support Integration events, education opportunities and much more… A unique opportunity to take your career to the next level - we’re looking for people who want to create an impact. You have ideas, we want to hear them! 📌Recruitment process: 30 minute screening call online with our recruiter 30 minute screen call with the team lead A technical task Offer Questions, insights? Feel free to reach out to our recruiting team: ewa.szczodrak@thecodest.co In the meantime, feel free to visit our website where you can find key facts about us.

🏢 Summary: Shopify Engineer role focused on building and scaling a multi-brand ecommerce ecosystem on Shopify. The position involves developing custom themes and apps, integrating backend systems, and optimizing performance, accessibility, and user experience. You will contribute to a growing multi-store environment with scalable architecture and reliable integrations. 🗂️ Requirements: 3+ years experience in Shopify ecosystem, Strong knowledge of Liquid and Shopify theme development, Experience with JavaScript and TypeScript, Experience with Shopify APIs (REST or GraphQL), Experience building Shopify apps with Node.js, Understanding of ecommerce flows (catalog, cart, checkout, payments), Ability to work independently and own deliverables 📃 Skills: Shopify, Liquid, JavaScript, TypeScript, Node.js, GraphQL, REST, HTML, CSS, Git, Docker, OAuth, Hydrogen, Remix, Next.js, TailwindCSS, Python 🏢 Description: Client Our client is a global entertainment company. Project overview This project centers on building a flexible multi brand ecommerce environment using the Shopify platform. The team aims to provide fast and accessible storefronts, custom app functionality, and stable backend integrations with internal business systems. The environment is expanding, and your contribution will help shape its evolution. Position overview You will work as a Shopify Engineer focused on creating reliable and scalable ecommerce experiences across several brands. You will develop custom themes, build Shopify applications, and design integrations that support a multi store ecosystem. Your work will contribute directly to improving performance, usability, and operational workflows for the product team. Technology stack Liquid, JavaScript, TypeScript, Node.js, Shopify Admin API, Shopify Storefront API, GraphQL, Git, Docker, Optional Python Responsibilities Develop and customize Shopify themes using Liquid, HTML, CSS, and JavaScript Create reusable templates and components for multi brand setups Build and maintain private or public Shopify applications Integrate with Shopify Admin and Storefront APIs and work with webhooks Implement secure authorization flows using OAuth Build backend services with Node.js for app functionality and platform integrations Support data synchronization with ERP, PIM, or CRM systems Ensure strong performance, SEO readiness, accessibility, and smooth overall UX Troubleshoot platform issues and optimize storefront speed Collaborate with designers, product managers, and QA specialists throughout delivery Requirements Experience of three years or more working in the Shopify ecosystem Strong knowledge of Liquid and Shopify theme development Practical experience with JavaScript and TypeScript Experience with Shopify APIs using REST or GraphQL Background in building Shopify apps with Node.js Understanding of ecommerce flows such as catalog, cart, checkout, promotions, and payments Ability to work independently and take ownership of deliverables Nice to have Python experience useful for data integrations or ETL tasks Headless Shopify experience using Hydrogen, Remix, or Next.js Experience with multi store or multi language setups Familiarity with TailwindCSS or other UI frameworks Experience with Shopify Plus What We Offer: Vacation days : Up to 26 business days per year. 10 illness/special days off per year (fully paid, no medical papers needed) for all contract types Health and life insurance (Luxmed) MyBenefit platform with Multisport option Internal psychological support service English language classes from the first working day Access to external learning platforms : O’Reilly, LinkedIn Learning, Udemy, and a wide catalog of diverse internal training Flexible workplace : work from the office, from home, or choose a hybrid option Tech Skills Mentoring Program Opportunities to develop as a public speaker, mentor, or technical interviewer Fully paid idle (bench) when not involved in a project Certification reimbursement (AWS, GCP, Microsoft, etc.)

🏢 Summary: Design and lead end-to-end technical architecture for Shopify (primarily Shopify Plus) stores, including headless and theme-based implementations. Develop complex integrations with enterprise systems and build custom Shopify applications using advanced platform capabilities. Act as a senior technical authority driving architecture, integrations, and development standards. 🗂️ Requirements: 5+ years in e-commerce solution architecture or senior technical role, Minimum 3 years of hands-on Shopify experience, Proven expertise with Shopify Plus and Shopify admin, Experience with headless Shopify architectures (Hydrogen/Oxygen), Experience developing custom Shopify apps, Hands-on use of Shopify Functions and Checkout UI extensions, Strong experience with Shopify REST and GraphQL APIs, Proficiency in HTML, CSS, JavaScript, TypeScript, React or Next.js, Expertise in MS Entity Framework, Experience integrating Shopify with ERP, OMS, or PIM systems 📃 Skills: Shopify, ShopifyPlus, Liquid, Hydrogen, Oxygen, ShopifyFunctions, CheckoutUI, REST, GraphQL, HTML5, CSS3, SCSS, JavaScript, TypeScript, React, Next.js, EntityFramework, ERP, OMS, PIM, WMS, CRM, CDP 🏢 Description: Shopify Architect About the Client Our client is an AI-native enterprise solutions company with purpose-built technology for public and private companies, governments, institutions, asset managers, and family offices. With headquarters in New York City and four global offices, they are supported by more than 300 engineers and delivery professionals across the globe. By centralizing and unifying data, automating workflows, and surfacing predictive insights, they enable organizations to scale operational excellence and generate alpha across complex enterprise environments. The Role Design and document the complete end-to-end technical architecture for new and existing Shopify (primarily Shopify Plus) stores, including storefront design (headless or theme-based), backend services, integration strategy, and security. Architect and develop complex system integrations between Shopify and mission-critical enterprise platforms such as ERP, OMS, PIM, WMS, CRM, and CDP, leveraging REST and GraphQL APIs. Expertly develop, customize, and maintain high-quality Shopify themes, working extensively with Liquid, HTML5, CSS3/SCSS, and JavaScript/TypeScript or other JS frameworks (React). Build and maintain custom Shopify applications (private or public) and implement advanced functionality using Shopify Functions and Checkout Extensibility to meet unique client requirements. Serve as the trusted technical advisor to client executives (CTO, CIO) and technical teams, providing expert guidance on Shopify. Partner with the Sales team to provide technical vetting, solution scoping, effort estimations, and compelling technical presentations to existing and prospective clients. Ensure adherence to development standards and practices. Requirements 5+ years of experience in e-commerce solution architecture, technical consulting, or an equivalent senior technical role with at least 3 years of Shopify experience. Proven expertise with the Shopify platform, especially Shopify Plus, its admin features, Liquid templating, and the app ecosystem. Proven expertise with headless Shopify architectures, including Hydrogen/Oxygen implementations. Experience developing custom Shopify apps, utilization of Shopify functions and Checkout UI extensions for advanced customizations. Strong hands-on experience with Shopify's APIs (REST and GraphQL) and a solid understanding of modern web technologies (HTML, CSS, JavaScript/TypeScript, React/Next.js). Expertise in the MS Entity Framework. Experience in architecting and implementing integrations with major enterprise back-office systems (ERP, OMS, PIM). Excellent communication skills. Ability for critical thinking & creativity. Having a systematic and logical approach to problem-solving and teamwork skills is crucial. Nice to Have Shopify Certification or other relevant e-commerce platform certifications. Prior experience in re-platforming from legacy systems. Familiarity with back-end languages (e.g., Node.js, Ruby). What We Offer Monthly compensation: 6,000 - 8,000 USD. Working model: Hybrid setup with 3 days from the office in the center of Warsaw, and 2 days remote. Contract type: Candidates can choose between a B2B contract or a Contract of Employment. We value creative problem solvers who learn fast, work well in an open and diverse environment, and enjoy pushing the bar for success ever higher. We do work hard, but we also choose to have fun while doing it.

🏢 Summary: The offer is for a senior Shopify Architect responsible for designing and implementing end-to-end technical architecture for Shopify Plus e-commerce solutions, including headless and composable approaches. The role involves building custom themes and apps, integrating external systems, and optimizing checkout and product flows. It combines architectural decision-making with hands-on development and system integrations. 🗂️ Requirements: 5+ years in e-commerce architecture or technical roles, 3+ years of experience with Shopify, Strong expertise in Shopify Plus and Liquid, Experience with headless Shopify (Hydrogen/Oxygen), Experience building custom Shopify apps, Experience with Shopify Functions and checkout extensions, Knowledge of Shopify APIs (REST, GraphQL), Proficiency in HTML, CSS, JavaScript/TypeScript, Experience with React or Next.js, Experience with ERP, OMS, or PIM integrations 📃 Skills: Shopify, ShopifyPlus, Liquid, Hydrogen, Oxygen, REST, GraphQL, HTML, CSS, JavaScript, TypeScript, React, Next.js, ERP, OMS, PIM, Webhooks 🏢 Description: 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

🏢 Summary: Front-End Developer role focused on building high-quality, design-driven e-commerce stores for global DTC brands using a modern tech stack. The position involves creating responsive, performant, and accessible user interfaces while collaborating closely with a senior engineering team. It offers clear growth levels and end-to-end ownership of features from concept to deployment. 🗂️ Requirements: Minimum 2 years of experience with JavaScript, Minimum 2 years of experience with HTML, Minimum 2 years of experience with CSS, Experience building responsive layouts, Knowledge of web performance best practices, Knowledge of accessibility standards, Knowledge of SEO principles, Experience integrating third-party APIs, Fluent Polish language, Communicative English (verbal and written) 📃 Skills: JavaScript, TypeScript, HTML, CSS, Sass, React, Remix, Next.js, Shopify, Hydrogen, Liquid, Oxygen, Vercel, Cloudflare, APIs, SEO, CoreWebVitals 🏢 Description: More about us and our projects [ click ] Hey! We’re looking for a talented Front-End Developer to help us build beautiful e-commerce stores for some of the world’s best DTC brands. If you want to level up your front-end skills, work in a modern tech stack, and be part of a senior team - this role is for you. We also take growth seriously. We have four clearly defined engineering levels (SE I, SE II, Senior SE I, Senior SE II), each with explicit expectations. You’ll always know where you stand and what’s required to reach the next level. What we do Since 2019, we’ve worked with brands like Lady Gaga, Carhartt WIP, Magda Butrym and Rolex , and collaborated with designers from Pentagram , ex-Tesla , and ex-Apple . We're focused entirely on eCommerce , and our goal is simple: to be one of the best eCommerce tech teams in the world . About the Role Skills we're looking for 2+ years of experience in Javascript, HTML and CSS Experience in building high-quality, responsive layouts Eye for the design detail and caring about user experience Awareness of web performance best practices (Core Web Vitals), developing for accessibility and SEO Interpreting and working with third-party APIs Communicative in both verbal and written English Fluency in Polish language What makes a strong fit You think in trade-offs - when you choose an approach, you can explain why and what you're giving up You own your work end-to-end: from unclear brief to deployed feature, including the parts nobody explicitly asked you to handle When something isn't going to plan, you raise it early - and you bring a proposal, not just the problem You can explain a technical decision clearly to a developer and a PM in the same conversation Nice to have: Experience in e-commerce (any platform) What it’s really like to work here At Commerce-UI, we trust each other’s judgment and take pride in our craft. Everyone here owns their work - not because someone expects it, but because we care about what we build and the people we build it with. We believe in high standards and flexibility, and we back that with real autonomy from day one. You’ll quickly see how we operate: fast, focused, and with a lot of trust that everyone knows what they’re doing. We don’t rely on layers of management or rigid playbooks. Instead, we collaborate closely, share context openly, and help each other grow. Things move quickly, but that’s part of the fun - it’s how we learn, adapt, and ship meaningful products for iconic brands. If you value ownership, clarity, and a team that believes in mutual trust and high craftsmanship, you’ll feel right at home with us. Why you’ll love working here Small, senior, passionate team - no bureaucracy, real impact Work on ambitious, design-led projects for global brands Freedom to shape how we build things Competitive pay and flexible, remote-friendly culture Our Tech stack Shopify Hydrogen (React-Router 7/Remix) or Next.js Oxygen, Vercel, Cloudlfare Shopify Liquid/Online Store 2.0 Typescript (always) CSS, Sass, CSS Modules, Stitches, Vanilla extract Toolkit Cursor, Webstorm ChatGPT Google Workspace Jira Notion Loom Team Most of the time, you’ll collaborate closely with: Tomek and Kuba - Engineering Managers Robert - Head of Project Management Michał - Co-Founder & CTO Szymon - Co-Founder How our hiring process looks like? Application → send us your CV and any link/portfolio that show your craft. We review every application and always get back to you - regardless of the outcome. Discovery call → this is short (30 minutes) mutual check-in - we want to understand your expectations and share ours. We will talk in Polish, and English. Task → a short focused task based on the kind of work we actually do. 1-1,5 hours with clear instructions. We respect your time. Tech call → a deep dive into how you think and solve problems. You’ll chat with Kuba or Tom (our Engineering Managers) - no trick questions, just real talk about tech and delivery. Offer → if it’s a match, we’ll schedule a short call (20-30 minutes) to go over the details and next steps. If we don’t move forward we’ll do our best to give you thoughtful feedback.

🏢 Summary: Mid-level Full-Stack Developer role focused on building and modernizing a cloud-based practice management and CRM platform. The position involves a 60/40 split between Angular frontend and Node.js/Nest.js backend, contributing to migration from monolith to microservices and upgrading to the latest Angular version. Fully remote (Poland-based) with strong impact on architecture and product quality. 🗂️ Requirements: 2–3 years of commercial experience in full-stack web development, Commercial experience or strong willingness to work with Angular, Experience with Node.js backend development, Practical knowledge of Nest.js, Basic knowledge of SQL, Experience or willingness to implement automated E2E tests, Polish residency, Working proficiency in Polish, Notice period of 1 month or less 📃 Skills: Angular, Node.js, Nest.js, SQL, Playwright, Microservices, Cloud, ORM, E2E 🏢 Description: Position: Full-Stack Developer Location: Remote (Poland-based) Salary: 14500 – 19500 PLN / month Our client is an innovative software company delivering a modern, cloud-based practice management and CRM solution dedicated to professional services. The platform streamlines day-to-day operations, including workload management and automated document generation. The development team is highly autonomous, focused on refactoring their core product from a monolith into scalable microservices, migrating to the newest technology stacks, and fostering an environment with strong developer ownership. We are looking for a mid-level Full-Stack Developer (approx. 2–3 years of commercial experience) to join a tight-knit Polish development team. In this role, you will work on both frontend and backend tasks (approx. 60% Front-End and 40% Back-End workload), having a real impact on technology choices and product quality. Requirements: Around 2–3 years of commercial experience in full-stack web development. Professional experience or strong openness to working with Angular (the project is currently on Angular 6 and undergoing a migration to the latest stable version). Solid knowledge of backend development using Node.js, preferably with Nest.js (used for all new microservices). Basic understanding of SQL (complex queries are supported by in-house ORM and AI tools, backed by thorough code reviews). Familiarity with or interest in testing practices (manual testing with beta users and expanding automated E2E tests using Playwright ). Polish residency and working proficiency in Polish (mandatory for active participation in daily sync meetings). Notice period of 1 month or less . Mindset focused on autonomy, taking ownership of tasks, and willingness to challenge the status quo. Responsibilities: Developing new features and maintaining the cloud-based platform (60% FE / 40% BE split). Actively participating in architecture modernization (refactoring the monolith into microservices and migrating the legacy frontend to the latest Angular version). Writing clean, maintainable code and participating in peer code reviews. Ensuring software quality through self-testing and implementing automated E2E test scenarios with Playwright. Onboarding smoothly into the codebase (handling smaller bug fixes and minor features in Month 1, progressing to designing and delivering a major complex feature by Month 3). Attending daily team synchronization meetings (at 10:00 AM Polish time). Offer: Salary: 14500 – 19500 PLN / month (depending on experience). Contract type: Long-term B2B Contract (open to both permanent-like cooperation and 12-month fixed contracts). Working model: 100% Fully Remote work. Flexible working hours (with core presence during the 10:00 AM daily sync). Hardware: Company-provided laptop and necessary equipment. No on-call duties or weekend shifts. Great culture: High levels of engineering autonomy, flat structure, and direct impact on the final product. Fast recruitment process: 3 stages (1h Live Coding data processing task $\rightarrow$ ~3h Homework assignment $\rightarrow$ 1h final CTO interview) with rapid feedback provided within 1–2 business days after each stage.

🏢 Summary: Senior Full-Stack Developer role focused on building a modern, headless e-commerce and marketing platform using cloud-based, composable architecture. The position involves end-to-end development across backend and frontend, CI/CD automation, and production support within a 12-month B2B contract. The project aims to deliver a fully personalized customer experience in the building materials industry. 🗂️ Requirements: Minimum 4 years experience with DotNet and ASPNETCore, Strong experience with C# and full-stack web development, Experience with SQLServer, Experience with Optimizely, Knowledge of software architecture and design patterns, Experience with CI/CD pipelines, Experience with TDD, Knowledge of web application security and performance principles, Experience with Kafka, Experience with Git and Gitflow 📃 Skills: DotNet, ASPNETCore, C#, SQLServer, Optimizely, Kafka, Webpack, TailwindCSS, Storybook, Chromatic, Rider, VisualStudio, Git, GitHub, Gitflow, React, CICD, TDD 🏢 Description: We are looking for an experienced Senior Full-Stack Developer (with Optimizely) to join the team of our client. The project focuses on building a modern e-commerce and marketing platform based on composable, headless, cloud architecture, with the goal of delivering a seamless and fully personalized end-to-end customer experience. Who we are: We are Inspeerity (part of DevelopX group), a modern software house, providing software development, consultancy, and maintenance services. We specialize in full stack development – from defining project requirements, to designing, building, and deploying software applications for web, backend, enterprise and mobile. We are crazy about technology, serious about people. TL;DR • Who : Senior Full-Stack Developer (with Optimizely) • Contract Type : B2B • Salary range: Up to 210 PLN/h + VAT • Start date : ASAP • Project lenght : ~12 months, with the possibility of extension. • Company : Software House • Project topic : Building Materials Industry What you’ll be doing: Developing scalable technical solutions. Building and maintaining automated build and deployment pipelines. Developing features across the full technology stack, from data access and business logic to the user interface. Writing unit tests, fixing bugs, and preparing documentation. Troubleshooting and resolving production issues. Collaborating closely with business stakeholders to translate requirements into effective technical solutions. You will be the best fit if you have: At least 4 years of practical experience working with Microsoft .NET / ASP. NET Core and SQL Server. Strong understanding of software architecture, design patterns, and engineering best practices. Hands-on experience in full-stack development using C# and web technologies. Solid knowledge of web application performance, quality standards, and security principles. Genuine interest in Generative AI and its application in optimizing and automating the software development lifecycle. Experience working in Agile environments, including CI/CD pipelines, TDD, and peer code reviews. In addition to the stack mentioned above, experience in working with Apache Kafka, Webpack, TailwindCSS, Storybook, Chromatic, Rider, Visual Studio, Git, Github, Gitflow. Experience with React is a plus. English level B2 or higher. What we offer Remote work model with occasional visits to our client's office in Poznań or Warsaw. B2B contract. You’ll join a collaborative team of 12 specialists. About process: Step 1 - Call with with someone from our People Team. Step 2 - Meeting with our .NET Team Lead as a technical interviewer. Step 3 - Final stage. A technical interview with the client-side representatives. Time for your turn! ;)