Junior/Mid AI-first Software Engineer

🏢 Summary: Engineering role focused on building an AI-native legal platform with scalable agentic AI workflows for document review, drafting, analysis, anonymization, translation, and semantic search. The position involves close collaboration with product teams, high ownership, and development of performant systems handling large legal documents using a modern Python and React-based stack. 🗂️ Requirements: Strong English communication (C1+), Experience building scalable backend systems, Experience with Python-based backend stack, Hands-on use of AI coding tools, Ability to work in a fast-paced startup environment 📃 Skills: Python, FastAPI, Redis, SQL, NoSQL, Celery, Azure, React, Next.js, TypeScript, Zustand, shadcn/ui, LangChain, OpenAI, Anthropic 🏢 Description: About the role You'll work on an AI-native platform for the legal industry — building agentic AI workflows that let legal teams delegate complex, multi-step work. Not just chat-based assistance, but actual end-to-end execution on documents: review, drafting, analysis, anonymization, translation, and semantic search. The product is highly scalable and performant, handling large volumes of large legal documents. You'll work very closely with the product, with real ownership and impact on its direction. We're looking for top-tier engineers who deliver high-quality code and challenge decisions rather than just execute tickets. Tech stack - Python - FastAPI - Redis - SQL - NoSQL - Celery - Azure Cloud - React - Next.js - TypeScript - shadcn/ui - Zustand Must-have - Strong English communication (C1+) - Experience building scalable, robust backend systems within (or close to) the stack above - Hands-on experience with AI tooling in your daily work (Claude Code, Cursor, etc.) — this is a hard requirement - Comfort in a fast-paced, international startup environment Nice to have - Experience building LLM-powered features or workflows (OpenAI/Anthropic APIs, LangChain, agentic systems)

🏢 Summary: Long-term remote DevOps contract for a large-scale e-commerce logistics platform undergoing API migration using KIRO and spec-driven development. The role focuses on building and maintaining cloud infrastructure, CI/CD pipelines, and API management solutions to ensure scalability, reliability, and fast software delivery. Immediate joiners from Poland, Romania, or Bulgaria are required. 🗂️ Requirements: 3–5 years DevOps experience, Hands-on AWS infrastructure and networking, Experience with KIRO, Tyk, Apigee, Kubernetes experience (EKS preferred), Strong scripting skills, CI/CD pipeline implementation experience, Experience with AI-powered coding assistants, English B2/C1 level, Immediate availability 📃 Skills: AWS, KIRO, Tyk, Apigee, Kubernetes, EKS, Python, Terraform, Helm, ArgoCD, GitLab, GitHubActions, Bash, PowerShell, Prometheus, Grafana, AppDynamics, OpenSearch, CI/CD, Networking 🏢 Description: Dear Consultant, Join a large-scale e-commerce logistics platform supporting millions of parcel transactions weekly , currently undergoing API migration using KIRO (agentic AI, spec-driven development) . Send CV to (marcillina.tietjen@dcvtechnologies.co.uk 📍 Remote (Poland / Romania / Bulgaria) 💼 Contract (Long-term) 🚀 Start: ASAP (Immediate joiners only) You will be: building and supporting the tools, processes and infrastructure empowering faster delivery and scaling of software iterations ensuring availability, reliability and scalability of application infrastructure building and supporting CI/CD and release tools ensuring the right metrics are collected and monitored Tech Stack AWS (DevOps, mid-level) KIRO Tyk.io Google Cloud Apigee Kubernetes (EKS preferred) Python Terraform, Helm ArgoCD (GitOps) CI/CD (GitLab / GitHub Actions) Bash / PowerShell Monitoring: Prometheus, Grafana, AppDynamics, OpenSearch 🎯 Requirements 3–5 years DevOps experience Practical experience with AI-powered assistants (Copilot, Claude, Cursor, etc.) Hands-on AWS infrastructure & networking Experience with Kiro, Tyk, Apigee (MANDATORY) Kubernetes experience (EKS preferred) Strong scripting + CI/CD English B2/C1 ⚠️ Important Immediate availability ONLY Remote role (PL / RO / BG)

🏢 Summary: B2B Full Stack Engineer role focused on building and scaling an AI-powered SaaS platform for the video and digital content industry. The position involves end-to-end ownership of features, from design to deployment, within a fast-moving product environment leveraging advanced AI models. You will develop full-stack solutions that streamline planning, collaboration, and execution workflows. 🗂️ Requirements: 5+ years experience as Full Stack Engineer, Proficiency in React.js, Proficiency in Node.js, Experience delivering end-to-end solutions independently, Strong knowledge of modern web technologies, Understanding of full-stack architecture, Experience across full SDLC, Experience with CI/CD pipelines, Experience with version control systems, Experience in product-oriented environment, Ability to deploy and maintain production systems, English B2 level or higher 📃 Skills: React, Node.js, JavaScript, TypeScript, Tailwind, AWS, MongoDB, CI/CD, Git, Fal, REST, AI, SaaS 🏢 Description: Employer: US video production company Location: Remotely from Poland Salary:  24 050 - 38 850 PLN on B2B Cooperation model: B2B Start date: ASAP Recruitment process: 3 online steps (Async Loom Screen, Behavior with SVP, Live Case Study) Technology stack: React.js/Query, Tailwind, Node.js, Fal (most image models), AWS, MongoDB Join an innovative product company building an AI-powered platform that supports professionals in the video and digital content industry. The solution focuses on simplifying and accelerating the journey from idea to production, helping teams collaborate, plan, and execute creative projects more effectively. The product leverages advanced AI models (image, text, and video) and combines them into intelligent workflows designed for real-world collaboration. Instead of focusing only on content generation, the platform addresses key challenges in planning, coordination, and execution. We are looking for someone who enjoys ownership, moves fast, and wants to have a real impact on both product and engineering practices. Your role is: Design, develop, and deploy full-stack features for an AI-driven SaaS platform; Work closely with product stakeholders to define solutions and deliver measurable business impact; Take ownership of the full development lifecycle — from idea to production; Build and iterate on new product features (0→1 development); Ensure high quality by owning testing, validation, and release of your solutions; Contribute to improving development processes, increasing delivery speed, and reducing friction; Mentor other engineers and share best practices across the team; Collaborate in a fast-moving environment focused on experimentation and continuous improvement. Your skills and experiences: 5+ years of experience as a Full Stack Engineer; Proficiency with React.js and Node.js; Proven track record of delivering end-to-end solutions independently; Experience working in product-oriented environments with a strong focus on delivery and impact; Solid understanding of modern web technologies and full-stack architecture; Ability to work across the entire SDLC — from development to deployment and maintenance; Experience with CI/CD, version control systems, and modern development workflows; Strong ownership mindset and ability to take responsibility for delivered solutions; Experience mentoring others and contributing to team growth; Strong communication skills and ability to work in cross-functional teams; English proficiency at B2 level or higher. Nice to have: Experience working with AI/ML-based products or integrating external model APIs; Familiarity with building or scaling early-stage (0→1) products; Background in industries related to media, video, or digital content; Experience with prompt engineering or chaining AI models; Knowledge of DevOps or Product Operations practices; Proven ability to improve team delivery speed and efficiency; Interest in product thinking and experimentation; Basic design sense or experience working closely with UI/UX. Our client offers: Great opportunity for personal development in a stable and friendly large multinational company; Career growth and additional education.

🏢 Summary: Design and lead the implementation of high-performance, scalable and observable systems for global ad serving and tracking. The role focuses on building and optimizing HTTP/gRPC services and batch jobs in Java and Python, ensuring production reliability and measurable performance improvements. You will provide hands-on technical leadership while maintaining high engineering and code quality standards. 🗂️ Requirements: Strong knowledge of Java and Python, Experience building and maintaining HTTP and gRPC services, Experience with batch processing systems, Understanding of distributed systems and concurrency, Knowledge of Internet protocols (DNS, HTTP, cookies), Ability to design for high scalability and high availability, Experience monitoring and analyzing production systems, Ability to optimize system performance at scale, Experience deploying and maintaining production environments, Understanding of complex systems from hardware to algorithms 📃 Skills: Java, Python, HTTP, gRPC, DNS, Aerospike, Memcached, GCP, BigQuery, MinIO, Kafka, Clickhouse, PostgreSQL, Elasticsearch, Kubernetes, Prometheus, Jenkins, Graphite, Concurrency, DistributedSystems, Scalability, Availability, Monitoring, Performance 🏢 Description: You will: Design and lead implementation of system changes that deliver high performance, scalability and observability for displaying and tracking ads world wide. Develop tools and optimizations to drive measurable improvements in critical user performance metrics. Implement, test, deploy, monitor and maintain (in all aspects, including setting up environment, writing configuration code, monitor production) HTTP / gRPC services and batch jobs in Java and Python, ensuring adherence to the high engineering standards. Provide hands-on technical leadership: solving complex system challenges, participating in planning and scoping of projects, and ensuring the implementation of the highest coding standards through participation in code reviews. Desired experience: Excellent understanding of how complex IT systems work - from the hardware level, through software, to algorithms. Very good knowledge of fundamental Internet protocols and technologies (DNS, HTTP, cookies and others). Good knowledge of basic methods of creating concurrent programs and distributed systems (from thread level to geo-distributed clusters level). Practical ability to observe, monitor and analyse the operation of production systems (and draw valuable conclusions from it). The ability to critically analyze the solutions created in terms of performance (from estimating the theoretical performance of the designed systems to detecting and removing actual performance problems in production). General knowledge of issues (typical problems and methods of solving them) in the areas of 'high scalability' and 'high availability'. C1 level in English and Polish. Nice to have: Experience in the AdTech/Real Time Bidding space. Experience contributing to Real User Monitoring (RUM) systems. Selected technologies used: Java, Python Aerospike, Memcached Google Cloud Platform, BigQuery, MinIO Kafka, Clickhouse PostgreSQL Elasticsearch Kubernetes, Prometheus Jenkins, Graphite We Offer: Projects focused on extreme performance and high code quality – solid code reviews are our standard. Collaboration within an interdisciplinary, self-sufficient team (including DevOps, database experts, backend developers, product designers, and QA engineers). Hardware and software tailored to your preferences (e.g., MacBook, AI tool licenses). Flexible working conditions – no core hours, fully remote cooperation possible. Apply now! You don't need to tick every box to apply. If you are passionate about software engineering, send us your CV, and we'll review it.

🏢 Summary: Design and lead the implementation of highly scalable, high‑performance ad serving and tracking systems, building and optimizing HTTP/gRPC services and batch jobs in Java and Python. The role combines hands-on development with technical leadership, focusing on observability, reliability, and measurable performance improvements in distributed production environments. You will work on globally distributed systems handling large-scale traffic with strong engineering and code quality standards. 🗂️ Requirements: Experience designing and implementing high-performance, scalable distributed systems, Strong knowledge of Java and Python, Experience building and maintaining HTTP and gRPC services, Understanding of Internet protocols (DNS, HTTP, cookies), Knowledge of concurrency and distributed systems concepts, Ability to monitor, analyze and optimize production systems, Experience with high scalability and high availability architectures, Fluent English and Polish (C1) 📃 Skills: Java, Python, HTTP, gRPC, DNS, Aerospike, Memcached, GCP, BigQuery, MinIO, Kafka, Clickhouse, PostgreSQL, Elasticsearch, Kubernetes, Prometheus, Jenkins, Graphite 🏢 Description: You will: Design and lead implementation of system changes that deliver high performance, scalability and observability for displaying and tracking ads world wide. Develop tools and optimizations to drive measurable improvements in critical user performance metrics. Implement, test, deploy, monitor and maintain (in all aspects, including setting up environment, writing configuration code, monitor production) HTTP / gRPC services and batch jobs in Java and Python, ensuring adherence to the high engineering standards. Provide hands-on technical leadership: solving complex system challenges, participating in planning and scoping of projects, and ensuring the implementation of the highest coding standards through participation in code reviews. Desired experience: Excellent understanding of how complex IT systems work - from the hardware level, through software, to algorithms. Very good knowledge of fundamental Internet protocols and technologies (DNS, HTTP, cookies and others). Good knowledge of basic methods of creating concurrent programs and distributed systems (from thread level to geo-distributed clusters level). Practical ability to observe, monitor and analyse the operation of production systems (and draw valuable conclusions from it). The ability to critically analyze the solutions created in terms of performance (from estimating the theoretical performance of the designed systems to detecting and removing actual performance problems in production). General knowledge of issues (typical problems and methods of solving them) in the areas of 'high scalability' and 'high availability'. C1 level in English and Polish. Nice to have: Experience in the AdTech/Real Time Bidding space. Experience contributing to Real User Monitoring (RUM) systems. Selected technologies used: Java, Python Aerospike, Memcached Google Cloud Platform, BigQuery, MinIO Kafka, Clickhouse PostgreSQL Elasticsearch Kubernetes, Prometheus Jenkins, Graphite We Offer: Projects focused on extreme performance and high code quality – solid code reviews are our standard. Collaboration within an interdisciplinary, self-sufficient team (including DevOps, database experts, backend developers, product designers, and QA engineers). Hardware and software tailored to your preferences (e.g., MacBook, AI tool licenses). Flexible working conditions – no core hours, fully remote cooperation possible. Apply now! You don't need to tick every box to apply. If you are passionate about software engineering, send us your CV, and we'll review it.

🏢 Summary: B2B full-stack engineering role in an AI-powered video production platform, focused on end-to-end ownership of the product and software development lifecycle. The position combines hands-on development with process optimization, AI workflow integration, and driving measurable product impact. You will independently ship solutions, integrate AI models, and scale high-velocity engineering practices. 🗂️ Requirements: Proven experience managing SDLC/PDLC end-to-end, Strong full-stack engineering background, Experience delivering solutions independently, Experience working closely with Product/PXM, Strong understanding of business and performance metrics, Experience with AI tools, automation, or AI-driven workflows, Ability to identify and optimize process inefficiencies, Experience mentoring and developing technical teams, Ability to work in fast-paced, high-change environments 📃 Skills: React, ReactQuery, Tailwind, Node.js, AWS, MongoDB, REST, Docker, Git, CI/CD, LLM, PromptEngineering, AIML, APIs 🏢 Description: Employer: US video production company Location: Remotely from Poland Salary:  31 400 - 44 000 PLN on B2B Cooperation model: B2B Start date: ASAP Recruitment process: 3 online steps (Async Loom Screen, Behavior with SVP, Live Case Study) Technology stack: React.js, React Query, Tailwind CSS, Node.js, AWS, MongoDB, Fal (image model APIs), REST APIs, CI/CD pipelines, Docker, Git, AI/ML model integration, prompt engineering, LLM workflows Join an innovative product company building an AI-powered platform that supports professionals in the video and digital content industry. The solution focuses on simplifying and accelerating the journey from idea to production, helping teams collaborate, plan, and execute creative projects more effectively. The product leverages advanced AI models (image, text, and video) and combines them into intelligent workflows designed for real-world collaboration. Instead of focusing only on content generation, the platform addresses key challenges in planning, coordination, and execution. We are looking for someone who enjoys ownership, moves fast, and wants to have a real impact on both product and engineering practices. Your role is: End-to-end ownership of the P/SDLC; identifying bottlenecks; optimizing processes; increasing team velocity from idea to deployment; Designing and implementing an AI-native PDLC; integrating tools; defining and tracking performance metrics; Shipping full-stack solutions independently; collaborating with PXMs on specifications and problem-solving; delivering business and customer outcomes; Mentoring and upskilling the team; raising execution standards; scaling best practices across the organization; Driving product innovation; defining and running experiments; using data to deliver measurable impact; Building a high-velocity, execution-focused culture; unblocking teams; enabling fast iteration and continuous delivery. Your skills and experiences: Proven experience managing SDLC/PDLC end-to-end; Strong ability to identify process inefficiencies and implement improvements; Solid engineering background (full-stack); ability to independently deliver solutions; Experience working closely with Product / PXM; strong understanding of business metrics; Exposure to AI environments, tooling, or automation-driven workflows; Ability to operate in fast-paced, high-change environments; iterative mindset; Experience mentoring and developing technical teams; Strong product mindset; ability to define and execute experiments. Nice to have: Leadership experience; track record of leading teams with clear goals and outcomes; Background in film, video, or creative tech industries; Experience working with image and video model APIs in production; Knowledge of prompt chaining and AI model orchestration; DevOps or Product Ops background; Proven ability to significantly increase team velocity (e.g., 2x improvements); Design skills or experience managing design systems; Strong product sense; ability to identify and execute on market opportunities; Our client offers: Great opportunity for personal development in a stable and friendly large multinational company; Career growth and additional education. If interested, please apply safely through this portal (application rules are in accordance with GDPR). Employment agency Nr 17138.

🏢 Summary: Remote B2B role for a senior full-stack engineer to own and optimize the end-to-end SDLC/PDLC for an AI-powered video production platform. The position focuses on building and shipping AI-native workflows, integrating advanced models, and driving measurable product and engineering impact. You will independently deliver full-stack solutions while scaling engineering standards and execution velocity. 🗂️ Requirements: Proven end-to-end SDLC/PDLC management experience, Strong full-stack engineering background, Ability to independently design and deliver production-ready solutions, Experience optimizing engineering processes and increasing delivery velocity, Experience working closely with Product/PXM on specifications and metrics, Hands-on experience with AI tools, model integration, or automation workflows, Experience mentoring and upskilling technical teams, Ability to define, run, and measure product experiments 📃 Skills: React, ReactQuery, Tailwind, Node.js, AWS, MongoDB, REST, Docker, Git, CI/CD, LLM, PromptEngineering, AI, Fal 🏢 Description: Employer: US video production company Location: Remotely from Poland Salary:  31 400 - 44 000 PLN on B2B Cooperation model: B2B Start date: ASAP Recruitment process: 3 online steps (Async Loom Screen, Behavior with SVP, Live Case Study) Technology stack: React.js, React Query, Tailwind CSS, Node.js, AWS, MongoDB, Fal (image model APIs), REST APIs, CI/CD pipelines, Docker, Git, AI/ML model integration, prompt engineering, LLM workflows Join an innovative product company building an AI-powered platform that supports professionals in the video and digital content industry. The solution focuses on simplifying and accelerating the journey from idea to production, helping teams collaborate, plan, and execute creative projects more effectively. The product leverages advanced AI models (image, text, and video) and combines them into intelligent workflows designed for real-world collaboration. Instead of focusing only on content generation, the platform addresses key challenges in planning, coordination, and execution. We are looking for someone who enjoys ownership, moves fast, and wants to have a real impact on both product and engineering practices. Your role is: End-to-end ownership of the P/SDLC; identifying bottlenecks; optimizing processes; increasing team velocity from idea to deployment; Designing and implementing an AI-native PDLC; integrating tools; defining and tracking performance metrics; Shipping full-stack solutions independently; collaborating with PXMs on specifications and problem-solving; delivering business and customer outcomes; Mentoring and upskilling the team; raising execution standards; scaling best practices across the organization; Driving product innovation; defining and running experiments; using data to deliver measurable impact; Building a high-velocity, execution-focused culture; unblocking teams; enabling fast iteration and continuous delivery. Your skills and experiences: Proven experience managing SDLC/PDLC end-to-end; Strong ability to identify process inefficiencies and implement improvements; Solid engineering background (full-stack); ability to independently deliver solutions; Experience working closely with Product / PXM; strong understanding of business metrics; Exposure to AI environments, tooling, or automation-driven workflows; Ability to operate in fast-paced, high-change environments; iterative mindset; Experience mentoring and developing technical teams; Strong product mindset; ability to define and execute experiments. Nice to have: Leadership experience; track record of leading teams with clear goals and outcomes; Background in film, video, or creative tech industries; Experience working with image and video model APIs in production; Knowledge of prompt chaining and AI model orchestration; DevOps or Product Ops background; Proven ability to significantly increase team velocity (e.g., 2x improvements); Design skills or experience managing design systems; Strong product sense; ability to identify and execute on market opportunities; Our client offers: Great opportunity for personal development in a stable and friendly large multinational company; Career growth and additional education. If interested, please apply safely through this portal (application rules are in accordance with GDPR). Employment agency Nr 17138.

🏢 Summary: Senior Software Engineer role focused on building a real-time AI platform, owning features end-to-end across frontend, backend, and cloud infrastructure. The position involves developing full-stack solutions and contributing to technical architecture in a remote-first startup environment. 🗂️ Requirements: Strong experience with TypeScript, Strong experience with React, Hands-on experience with AWS, Experience with Docker, Experience with Linux, Experience with Git, Fluent English 📃 Skills: TypeScript, React, AWS, Docker, Linux, Git, Express, Tailwind, WebSockets, LangChain 🏢 Description: 💰 Salary: 25 000 – 28 000 PLN net/month (B2B) + 26 days paid annual leave + equity (ESOP) 📍 Location: Remote (Poland) + meetup in Poznań once per month Our client is an early-stage startup building a real-time AI platform that supports professionals during live conversations. The system processes interactions in real time and delivers contextual insights, knowledge, and guidance while conversations are happening. The founding team has strong experience in distributed systems, AI platforms, and enterprise SaaS and is currently expanding the engineering team to accelerate product development. Role The client is looking for a Senior Software Engineer who enjoys owning features end-to-end, from frontend interfaces to backend services and cloud infrastructure. You will work closely with the founding team on building a real-time AI-powered product , contributing to both product development and technical architecture. Responsibilities Build full-stack features using TypeScript Develop React-based user interfaces Design and maintain backend services and APIs Work with AWS cloud infrastructure Build and run Docker-based services Improve performance and reliability of real-time systems Requirements Strong experience with TypeScript and React Hands-on experience with AWS Experience with Docker and Linux Comfortable working with Git workflows Fluent English Experience working in remote teams Nice to Have Express Tailwind CSS Experience with real-time systems Knowledge of WebSockets / streaming Experience with LLM frameworks (e.g. LangChain) What the Client Offers Opportunity to build a product from an early stage Direct influence on architecture and product direction Work with experienced founders Remote-first environment Competitive salary + equity High level of ownership and autonomy

🏢 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: 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.