Senior Software Engineer (TypeScript / React / AWS) - AI startup

🏢 Summary: B2B contract for a Senior Software Engineer to design and build backend services and full-stack features for an AI platform, working primarily with TypeScript. The role focuses on developing REST/GraphQL APIs, optimizing PostgreSQL databases, and containerizing services with Docker in a remote-first environment within Poland. 🗂️ Requirements: Minimum 5 years of experience in JavaScript and TypeScript, Experience designing and building RESTful or GraphQL APIs, Hands-on experience with Next.js and/or NestJS, Experience with TypeScript ORM, preferably Drizzle, Strong PostgreSQL skills including schema design and query optimization, Experience with Docker for development and deployment, Ability to use AI tools in daily engineering work, Fluency in Polish, Advanced English level (B2/C1) 📃 Skills: JavaScript, TypeScript, REST, GraphQL, Next.js, NestJS, Drizzle, PostgreSQL, Docker, AI, ORM 🏢 Description: Contract: B2B Rate: 140 - 150 PLN/h net+VAT Location: Remote within Poland Start: ASAP Key Technologies: JavaScript, TypeScript Backend APIs: REST, GraphQL Frameworks: Next.js, NestJS ORM: Drizzle (or similar modern TypeScript ORM) Database: PostgreSQL Containerization: Docker AI tooling: AI-assisted development, agentic coding workflows Nice to have: Kubernetes, BullMQ, Puppeteer, web scraping, AI integrations: Model Context Protocol (MCP) and agent-to-system interfaces Project Overview We’re looking for a Senior Software Engineer who is comfortable working on both backend and full-stack tasks when needed. As an early member of the team, you will help design and build the systems behind our AI platform. You will work mainly in TypeScript, build APIs and services, and contribute to full-stack features in Next.js. Responsibilities: Design and build backend services and APIs (REST and/or GraphQL). Develop full-stack features in Next.js when needed. Design database schemas and optimize queries in PostgreSQL. Work with a TypeScript ORM, preferably Drizzle. Containerize services for development and deployment using Docker. Troubleshoot issues, improve performance, and maintain reliability. Review code, share best practices, and support team development. Write and maintain clear technical documentation Requirements: Min. 5 years of experience in JavaScript and TypeScript. Experience designing and building RESTful or GraphQL APIs. Hands-on experience with Next.js and/or NestJS . Experience with ORMs in TypeScript, ideally Drizzle. Strong PostgreSQL skills, including schema design and query optimization. Docker experience for local development and deployments. Interest in using AI tools in day-to-day engineering work and improving development workflows. Fluency in Polish and an advanced level of English (B2/C1) Nice to have: Kubernetes experience. BullMQ or similar background job and queue systems. Puppeteer or web scraping and browser automation. Knowledge of Model Context Protocol (MCP) or how AI agents integrate with systems. Why join us? Rite NRG is a vibrant outsourcing technology company driven by the Right People . We are dedicated to empowering businesses through innovative software solutions. We focus on building strong partnerships and providing top-notch software solutions that drive real business growth. Our business model revolves around collaboration and delivering impactful results for our clients. Join us, and be part of a team where great minds, Right Energy , and strong partnerships come together to shape the future of technology! Stable, long-term, full-time collaboration. Remote work within Poland and flexible working hours. High engineering culture with a focus on growth and learning. Multinational teams. Benefits: Private medical care, Multisport card, and workation (work for a week from Barcelona or elsewhere).

🏢 Summary: Full-time hybrid Software Engineer role focused on building responsive, AI-driven web applications for enterprise platforms using modern JavaScript technologies. The position involves developing high-quality React-based interfaces, applying TDD and CI practices, and collaborating within cross-functional Agile teams. Long-term B2B contract based in Warsaw with competitive salary. 🗂️ Requirements: 6+ years experience with JavaScript, 6+ years experience with TypeScript, Strong knowledge of design patterns in JavaScript, Proficiency in React with Redux, Experience with Next.js, Understanding of functional programming concepts, Strong knowledge of asynchronous programming, Experience with Git and branch management, Experience debugging front-end applications, Experience creating and integrating custom packages, Understanding of object-oriented programming principles, Practical experience with HTML5, Practical experience with CSS3, Experience in Agile environments, Ability to develop cross-browser compatible code 📃 Skills: JavaScript, TypeScript, React, Redux, Next.js, HTML5, CSS3, Git, TDD, CI, Agile 🏢 Description: 💰 Salary: 14,500-17,000 PLN/month 🌎 Hybrid from Warsaw, Poland 🕦 Full-time position, long-term ☑️ B2B We are looking for a Software Engineer to join our client, a technology company that builds AI-powered platforms and consulting solutions for enterprise operations, with a strong focus on the private capital sector. The company has over ten years of experience working with high-growth and PE-backed businesses, combining deep domain expertise with advanced technology to drive measurable results. Requirements: 6+ years of experience working with JavaScript and TypeScript Solid understanding of design patterns and how to apply them in JavaScript development. Proficiency in a modern front-end JavaScript framework such as React.js with Redux; experience with Next.js is an advantage. Familiarity with functional programming concepts. Strong grasp of asynchronous programming and its best practices. Knowledge of Git and experience with branch management. Experience troubleshooting front-end issues and using relevant debugging tools. Familiarity with creating and integrating custom packages. Good understanding of object-oriented programming principles and their use in JavaScript. Ability to perform effectively under pressure and meet strict deadlines. Practical experience with HTML5 and CSS3. Experience working within Agile development environments and practices. Strong communication and organizational abilities. Skilled in developing cross-browser compatible code. A Bachelor’s degree in Computer Science or a related field is preferred. Key Responsibilities: Creating and building responsive user interfaces using React. Applying and maintaining test-driven development (TDD) practices along with continuous integration processes. Working closely with a cross-functional team that includes project managers, analysts, and sales representatives to deliver high-quality, interactive products within deadlines. Promoting and implementing best practices in testing, accessibility, and performance optimization. Partnering with design, backend, QA, and product teams to develop reliable, user-focused solutions.

🏢 Summary: Senior AI-first Engineer role focused on building and modernizing full-stack systems using advanced AI-assisted development workflows. The position involves designing scalable architectures, delivering production-grade .NET and React solutions, and orchestrating multiple AI agents for parallel task execution. Work spans distributed systems, cloud environments, and high-quality engineering practices in client-facing projects. 🗂️ Requirements: Hands-on experience with AI coding assistants (Claude Code, GitHub Copilot, Cursor or equivalent), Ability to build custom AI skills and orchestrate multiple AI agents in parallel, Strong prompt engineering with critical evaluation of AI-generated output, Production experience with .NET and C# for REST APIs and middleware, Deep knowledge of OAuth2, OpenIDConnect, and JWT, Strong proficiency in JavaScript and TypeScript, Minimum 2 years production experience with React, Experience with state management, asynchronous patterns, and frontend testing, Experience designing monolith, microservices, and distributed architectures, Knowledge of DDD, CQRS, EventSourcing, and event-driven systems, Experience with message brokers (Kafka, RabbitMQ, AzureServiceBus or similar), Hands-on experience with Docker and knowledge of Kubernetes, Experience with CI/CD pipelines, Experience with cloud platforms (Azure, AWS, or GCP), Strong knowledge of SQL and ORM tools 📃 Skills: C#, .NET, REST, OAuth2, OpenIDConnect, JWT, JavaScript, TypeScript, React, DDD, CQRS, EventSourcing, Kafka, RabbitMQ, AzureServiceBus, Docker, Kubernetes, GitHubActions, AzureDevOps, Azure, AWS, GCP, SQL, NoSQL, Python, Java, Node.js, Copilot, Claude, Cursor 🏢 Description: We are looking for a Senior AI-first Engineer who combines deep technical expertise with a genuine, hands-on approach to AI-assisted development. You will work across varied client engagements — from modernizing legacy systems to architecting new products — and are expected to contribute at a high level regardless of project context. The ideal candidate has built a real, personalized AI development workflow — including custom skills, reusable prompt templates, and project-level instructions — and continues to refine it. Out-of-the-box tool usage is not sufficient for this role. We follow a remote-first setup with no mandatory regular office visits for this position. From time to time, you may be invited to join in-person meetings in one of our offices (Warsaw, Lodz, Wroclaw, Gdansk, or Bialystok), for example for client visits or team reunions. Responsibilities Design, develop, and maintain full-stack features with high standards of quality, performance, and reliability Apply AI tools throughout the workflow: generation, refactoring, review, testing, and research Contribute to architectural decisions — technology selection, system design, and trade-off analysis Conduct thorough code reviews and uphold engineering best practices across the team Identify risks, bottlenecks, and security concerns proactively and propose solutions Work directly with clients in English — requirements clarification, technical discussions, progress updates Mentor junior and mid-level engineers through day-to-day guidance and knowledge sharing Stay current with AI tooling developments and contribute findings to the broader team Requirements Hands-on experience with Claude Code, GitHub Copilot, Cursor, or equivalent AI coding assistants Ability to create custom skills and sub-agents and orchestrate multiple AI agents in parallel for concurrent task execution Strong prompt engineering skills; able to produce reliable, high-quality output and critically evaluate AI-generated results Production-grade .NET / C# (REST APIs, middleware, dependency injection) with solid understanding of OAuth 2.0, OpenID Connect, and JWT Deep proficiency in JavaScript and TypeScript 2+ years of hands-on production experience with React (highly preferable) and/or Angular Strong grasp of state management, asynchronous patterns, and frontend testing Confident designing systems across monoliths, microservices, and distributed architectures Working knowledge of DDD, CQRS, Event Sourcing, and event-driven systems, including message brokers (Kafka, RabbitMQ, Azure Service Bus, or similar) Hands-on use of Docker and working knowledge of Kubernetes, along with CI/CD pipelines (GitHub Actions, Azure DevOps, or similar) Experience with cloud platforms (Azure, AWS, or GCP) and observability practices (structured logging, distributed tracing, alerting) Solid background with SQL databases and ORMs; familiarity with NoSQL is a plus Additional exposure to Python, Java, or Node.js is highly desirable Clear communication skills in English (B2+), both written and spoken; comfortable in client-facing environments Salary ranges B2B 135 - 195 PLN/ hour EC 17000 - 24000 PLN/ month

🏢 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: Senior Software Engineer role focused on building and scaling enterprise-grade compensation and rewards platforms using full-stack technologies and AI-powered features. The position involves end-to-end product development, technical ownership, and close collaboration with Product and Design teams in a hybrid startup-like environment. 🗂️ Requirements: 5+ years building full-stack customer-facing web applications, Experience with TypeScript, Experience with Node.js, Experience with React, Ability to translate user needs into technical solutions, Ability to work in ambiguous environments, Strong code quality and testing practices, Strong system reliability practices, Collaboration skills, Technical leadership skills 📃 Skills: TypeScript, Node.js, React, MySQL, Redis, AI 🏢 Description: Position: Senior Software Engineer Location: Krakow, hybrid working model- 3 days per week from the office Salary: 28 000 – 33 000 PLN About the company Our client is building a modern platform that helps organizations manage compensation and effectively communicate pay, rewards, and benefits. Their products are designed to bring greater transparency, trust, and clarity to compensation decisions for both employees and candidates. The company focuses on delivering enterprise-grade solutions for large, global organizations, leveraging advanced technologies and AI-driven capabilities. Operating in a fast-paced, startup-like environment, they offer engineers strong ownership and real impact on product direction. Their platform is used by leading companies to make smarter compensation decisions and improve employee experience. Role summary In this role, you will be responsible for designing and building high-quality product experiences related to compensation communication and rewards. You will work end-to-end, from shaping requirements and technical design to implementation and post-release improvements. The position offers a high level of ownership and influence over technical direction, product quality, and engineering standards. You will play a key role in scaling the product for enterprise customers while collaborating closely with Product and Design teams. This is an opportunity to combine strong engineering skills with product thinking in a high-impact environment. Responsibilities Design and build end-to-end product features (full-stack) Develop scalable solutions for enterprise-level organizations Build AI-powered features to support compensation decision-making Contribute to system architecture and engineering best practices Collaborate closely with Product and Design on roadmap and priorities Ensure high standards of code quality, testing, and reliability Solve complex technical and product challenges Requirements 5+ years of experience building customer-facing web applications (full-stack) Strong product mindset and ability to translate user needs into technical solutions Experience with technologies such as TypeScript, Node.js, and React Ability to work in ambiguous environments and break down complex problems High standards for code quality, testing, and system reliability Strong collaboration and technical leadership skills Nice to have: Experience in HR Tech, compensation, or workforce management domains Experience building enterprise-grade B2B software (e.g., permissions, audit logs, data controls) Familiarity with MySQL and Redis Experience using AI tools to enhance productivity Interest in mentoring and supporting team growth Offer: B2B contract Hybrid working model- 3 days per week from the office High level of ownership and impact on product and technology Fast-paced, startup-like environment Opportunity to work with an experienced engineering team Competitive salary and benefits package (e.g., private healthcare, learning budget – depending on the offer)

🏢 Summary: Senior Software Engineer role focused on designing and delivering full-stack, enterprise-grade web features for a modern compensation and rewards platform. The position involves end-to-end ownership from technical design to implementation, contributing to scalable architecture and AI-powered capabilities. It offers high impact on product direction and engineering standards in a fast-paced environment. 🗂️ Requirements: 5+ years experience building full-stack customer-facing web applications, Proficiency in TypeScript, Node.js, React, Experience designing scalable enterprise-level solutions, Experience building AI-powered features, Strong understanding of system architecture, Ability to ensure code quality, testing, reliability, Ability to translate user needs into technical solutions, Experience working with ambiguous requirements and complex problems 📃 Skills: TypeScript, Node.js, React, JavaScript, MySQL, Redis, AI, REST, Git, Testing 🏢 Description: Position: Senior Software Engineer Location: Krakow, hybrid working model- 3 days per week from the office Salary: 28 000 – 33 000 PLN About the company Our client is building a modern platform that helps organizations manage compensation and effectively communicate pay, rewards, and benefits. Their products are designed to bring greater transparency, trust, and clarity to compensation decisions for both employees and candidates. The company focuses on delivering enterprise-grade solutions for large, global organizations, leveraging advanced technologies and AI-driven capabilities. Operating in a fast-paced, startup-like environment, they offer engineers strong ownership and real impact on product direction. Their platform is used by leading companies to make smarter compensation decisions and improve employee experience. Role summary In this role, you will be responsible for designing and building high-quality product experiences related to compensation communication and rewards. You will work end-to-end, from shaping requirements and technical design to implementation and post-release improvements. The position offers a high level of ownership and influence over technical direction, product quality, and engineering standards. You will play a key role in scaling the product for enterprise customers while collaborating closely with Product and Design teams. This is an opportunity to combine strong engineering skills with product thinking in a high-impact environment. Responsibilities Design and build end-to-end product features (full-stack) Develop scalable solutions for enterprise-level organizations Build AI-powered features to support compensation decision-making Contribute to system architecture and engineering best practices Collaborate closely with Product and Design on roadmap and priorities Ensure high standards of code quality, testing, and reliability Solve complex technical and product challenges Requirements 5+ years of experience building customer-facing web applications (full-stack) Strong product mindset and ability to translate user needs into technical solutions Experience with technologies such as TypeScript, Node.js, and React Ability to work in ambiguous environments and break down complex problems High standards for code quality, testing, and system reliability Strong collaboration and technical leadership skills Nice to have: Experience in HR Tech, compensation, or workforce management domains Experience building enterprise-grade B2B software (e.g., permissions, audit logs, data controls) Familiarity with MySQL and Redis Experience using AI tools to enhance productivity Interest in mentoring and supporting team growth Offer: B2B contract Hybrid working model- 3 days per week from the office High level of ownership and impact on product and technology Fast-paced, startup-like environment Opportunity to work with an experienced engineering team Competitive salary and benefits package (e.g., private healthcare, learning budget – depending on the offer)

🏢 Summary: Full-time Full Stack Software Engineer role focused on building AI-powered enterprise platforms using Java and React in a hybrid Warsaw setup. The position involves developing responsive front-end applications and scalable microservices-based back-end systems, integrating cloud services, and maintaining CI/CD pipelines. Long-term employment contract with emphasis on high-performance, secure, and maintainable solutions. 🗂️ Requirements: 5+ years experience as Full Stack Developer with Java and React.js, Strong proficiency in React.js and Redux, Strong knowledge of TypeScript, HTML5, CSS3, ES6+, Experience with state management and component-based architecture, Experience with UI libraries (Material-UI, Bootstrap, or Tailwind), Strong expertise in Java, Spring Boot, Hibernate, JPA, Experience building RESTful APIs and microservices, Knowledge of OAuth2, JWT, and session-based authentication, Experience with PostgreSQL or MySQL, Experience with MongoDB or Redis, Hands-on experience with CI/CD tools, Experience with AWS, Azure, or GCP, Experience with Docker and Kubernetes, Bachelor’s or Master’s degree in Computer Science or related field, Experience working in Agile environments 📃 Skills: Java, React, Redux, TypeScript, HTML5, CSS3, JavaScript, Spring, SpringBoot, Hibernate, JPA, REST, Microservices, OAuth2, JWT, PostgreSQL, MySQL, MongoDB, Redis, Jenkins, GitHub, GitLab, AWS, Azure, GCP, Docker, Kubernetes 🏢 Description: 💰 Salary: 21,000-22,000 PLN/month 🌎 Hybrid from Warsaw, Poland 🕦 Full-time position, long-term ☑️ Contract of Employment We are looking for a Software Engineer to join our client, a technology company that builds AI-powered platforms and consulting solutions for enterprise operations, with a strong focus on the private capital sector. The company has over ten years of experience working with high-growth and PE-backed businesses, combining deep domain expertise with advanced technology to drive measurable results. Requirements: 5+ years of professional experience as a Full Stack Developer working with Java and React.js. Strong proficiency in React.js, Redux, TypeScript, HTML5, CSS3, and modern JavaScript (ES6+). In-depth understanding of state management solutions and component-based design principles. Experience working with UI libraries/frameworks such as Material-UI, Bootstrap, or Tailwind CSS. Solid expertise in Java, Spring Boot, Hibernate, JPA, and building RESTful APIs. Experience designing and working with microservices architecture and API Gateway patterns. Knowledge of authentication and authorization approaches, including OAuth2, JWT, and session-based methods. Experience with relational databases (PostgreSQL, MySQL) as well as NoSQL solutions (MongoDB, Redis). Hands-on experience using CI/CD tools like Jenkins, GitHub Actions, or GitLab CI/CD. Familiarity with cloud platforms such as AWS, Azure, or GCP, along with containerization tools like Docker and Kubernetes. Bachelor’s or Master’s degree in Computer Science, Engineering, or a related discipline. Experience operating within Agile development environments. Strong analytical thinking and problem-solving abilities. Key Responsibilities: Build and develop dynamic, responsive, and high-performing user interface components using React.js, Redux, and modern JavaScript (ES6+). Ensure applications function consistently across different browsers while delivering a smooth user experience. Enhance front-end performance and apply best practices in UI/UX design. Design, develop, and maintain RESTful APIs and microservices using Java technologies such as Spring Boot, Hibernate, and JPA. Implement secure authentication, authorization, and effective data management solutions. Work with both relational and NoSQL databases, including PostgreSQL, MySQL, and MongoDB. Integrate external services, APIs, and cloud-based platforms into applications. Oversee deployment processes using CI/CD pipelines and containerization technologies like Docker and Kubernetes. Produce clean, efficient, and maintainable code in line with established best practices. Develop and maintain unit and integration tests for both front-end and back-end systems. Collaborate closely with UI/UX designers, product managers, and DevOps specialists. Take part in Agile/Scrum processes and support ongoing improvements to development workflows.

🏢 Summary: Senior Frontend Software Engineer role focused on building and delivering cloud-based software using modern JavaScript technologies, React, and Software Craftsmanship practices in a remote-first environment. The position involves end-to-end software development, collaboration with international teams, and working with distributed systems and cloud platforms. Candidates will contribute to scalable solutions while leveraging AI-assisted development tools and clean architecture principles. 🗂️ Requirements: 5+ years of professional experience with JavaScript, Experience with Modern JavaScript, Experience with TypeScript, Experience with React, Experience with RxJS, Experience with Node, Experience with Mocha, Experience with Express, Experience with Enzyme, Understanding of distributed systems, Understanding of microservices, Understanding of event-driven architectures, Experience with cloud platforms, AI-assisted software development experience, Ability to design, test, deploy, and maintain cloud-based systems 📃 Skills: JavaScript, TypeScript, React, RxJS, Node, Mocha, Express, Enzyme, AWS, GCP, Azure, Microservices, Cloud, Claude 🏢 Description: We are looking for a Senior Frontend Software Engineer who is hungry to deliver quality software at pace, by utilising the latest technology trends and modern Software Craftsmanship techniques. Who are we ? We are a remote-first boutique software house company founded by a group of seasoned software experts (average experience in the team is 12 years). What connected all of us, despite a long-term relationship, is a passion for building Great Software that matters. We believe in people, so this is why the key values of Shaped Thoughts are autonomy and trust. Our people have a real and direct impact on what and how we build things. We put extra effort into ensuring everyone can make a difference and grow among other experts. Qualifications: Modern JS, TypeScript, React, RxJS, Node, Mocha, Express, Enzyme 5+ years of professional experience with JavaScript Understanding of distributed systems, microservices, and event-driven architectures Experience with cloud platforms (AWS / GCP / Azure) AI-assisted software development experience As a part of the team you will : Design, implement, code review, test and deploy cloud-based systems Develop software from start to finish - you ship it, you run it! Collaborate with other international teams on paving the way for a successful delivery Work closely with senior stakeholders on identifying business requirements and shaping the product Deliver quality technical solutions that come from a robust design and clean architecture Build & improve the software delivery process using tools such as Claude Code How do we work? We work as a team - all people can freely exchange knowledge and tasks, that’s why we’re looking for strong team players We believe in continuous improvement (Kaizen mindset) We’re happy to share knowledge and spend time learning our domain and new technologies We value asynchronous communication for work, however we meet in person to improve our personal relationships What do we offer ? Being a part of a strong senior team with an ability to learn and exchange knowledge Remote-first work environment (or you can work from our office in Wroclaw if you fancy :-) B2B rate 140-190 PLN / hour, depending on your level of expertise Open-ended B2B contract or contract of employment Recruitment process It consists of the following stages: CV screening Tech screening (45 min) Live coding session (1.15h) The last stage is F2F and requires on-site presence in one of the major cities: Wrocław, Poznań, Katowice, Kraków, Warszawa or Gdańsk. We actively encourage AI-assisted development in our daily work. However, during recruitment, we want to assess your individual skills - please don't use AI assistance unless explicitly permitted for a given stage.

🏢 Summary: Senior Full Stack Software Engineer role focused on building and scaling a production-ready AI product, covering feature development, infrastructure, and client integrations. The position involves hands-on work with Python, DevOps/MLOps, and GenAI solutions, ensuring system reliability and production readiness. This is a remote contract role with expected extensions. 🗂️ Requirements: Strong Python development experience, DevOps expertise with CI/CD pipelines, MLOps experience with automated deployment and monitoring, Experience building agentic AI products, Experience with API integrations, Hands-on experience with GenAI/LLM, Ability to harden systems for production, Experience fine-tuning AI models, Experience with prompt engineering 📃 Skills: Python, CI/CD, DevOps, MLOps, GenAI, LLM, APIs, Automation, Deployment, Monitoring, Fine-tuning, Prompt-engineering 🏢 Description: Location : Remote with occasional visits to Łódź Employment type : 2 months initial contract - to be extended, B2B/Umowa Zlecenie Salary: up to 160zł/hour (B2B) Senior Software Engineer – AI Product (Full Stack) We’re looking for a Senior Software Engineer to help build and scale a production-ready AI product. This is a hands-on, full-stack role covering feature development, infrastructure, and client integration. What you’ll do Design, build, and deploy new features in Python Own DevOps/MLOps: CI/CD pipelines, automated model deployment, monitoring Integrate AI solutions into client-facing products Improve system reliability, performance, and production readiness Enhance AI models through fine-tuning and prompt engineering Contribute to short-term R&D initiatives and product innovation Build and evolve internal systems for model evaluation and performance tracking Must-have Strong Python development experience DevOps & MLOps expertise (CI/CD, automation, deployment) Experience building agentic AI products and API integrations Hands-on GenAI/LLM experience (classic ML not required) Proven ability to harden systems for production Nice to have Experience building model evaluation/monitoring systems Fine-tuning, prompt engineering, and performance optimization Details Contract extensions expected If you enjoy building real-world AI products end-to-end—from models to production—we’d love to hear from you.

🏢 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.