Grant Delivery Specialist

🏢 Summary: Opportunity for experienced Fullstack developers to join a flexible freelance network supporting modernization and feature development of a large-scale aviation platform. The role focuses on migrating legacy PHP solutions to a modern JavaScript/TypeScript stack, improving AI-assisted workflows, and enhancing search, UX, and database-driven processes. Engagements are project-based (approx. 3 months) with potential for future collaborations across modernization and MVP initiatives. 🗂️ Requirements: Hands-on full-stack development experience, Strong JavaScript knowledge, Strong TypeScript knowledge, Experience with databases and data-driven workflows, Experience migrating or modernizing legacy systems in production, Experience with AI-powered features or workflow automation, Ability to work with AWS-based environments, Direct collaboration with business stakeholders 📃 Skills: JavaScript, TypeScript, PHP, AWS, Cloudflare, SQL, AI 🏢 Description: We are building a verified network of experienced freelancers and consultants who can support our clients in flexible cooperation models: from short-term delivery acceleration and MVP initiatives to outcome-based consulting engagements. This is not a traditional recruitment process. We are looking for experienced Fullstack interested in becoming part of network and open to future collaboration opportunities adjusted to project needs, availability and specialization fit. Remuneration depends on the type of assignment. For hourly rates, our range is 150-190 PLN net + VAT. Examples of what you could do 👇 The product is is a large-scale platform used by a global community of aviation enthusiasts, going through a major modernization phase. The team is replacing legacy PHP-based solutions with a modern JavaScript/TypeScript stack while continuously delivering value to thousands of active users. Some of the challenges you might help solve: Improving the photo upload and moderation process by introducing AI-assisted mechanisms. Modernizing legacy administration and screening tools. Improving search capabilities and overall discoverability of content. Increasing the reliability and consistency of database-driven workflows. Delivering UX improvements. Supporting the migration of consent management solutions to ensure compliance across multiple markets The platform runs on AWS and Cloudflare, and the focus is on evolving the application layer, developer experience, and product capabilities rather than rebuilding the infrastructure from scratch. Estimated duration: 3 months. What other projects could you work on with us? Depending on business demand and your availability, potential engagements may include: greenfield product development, feature acceleration initiatives, modernization projects, MVP and rapid prototyping work, delivery reinforcement for existing engineering teams, consulting and outcome-based delivery projects, short-term high-impact initiatives. What would we expect? Hands-on experience with full-stack development, including JavaScript and TypeScript and database-related challenges. Experience modernizing or migrating legacy systems while keeping production environments stable. Strong communication skills and willingness to collaborate directly with business stakeholders. Experience with AI-powered product features or workflow automation. Bonus points for experience with PHP! Important! joining the network does not guarantee immediate project allocation, potential engagements may vary in duration, scope and workload, part-time, full-time and short-term cooperation models are possible. By joining the network, you may gain: access to international projects and consulting initiatives, including collaborations with Scandinavian clients, opportunities adjusted to your availability, preferred engagement model and technical strengths, long-term relationship instead of one-off transactional recruiting processes. Sounds like a fit? Let’s talk! 🚀

🏢 Summary: Hybrid delivery leadership role focused on end-to-end implementation of AI-enabled cybersecurity solutions in an enterprise environment. The position drives Agile/Hybrid programs across cybersecurity, data, and engineering teams to deploy secure, compliant, and scalable AI capabilities. Responsibilities include governance, risk management, and operationalization of AI models in production. 🗂️ Requirements: Advanced English proficiency, Proven experience leading large-scale cybersecurity and AI delivery programs, Experience coordinating multiple teams in complex enterprise environments, Practical knowledge of AI/ML model deployment and lifecycle management, Experience with operational monitoring and model retraining processes, Experience in highly regulated environments with governance and audit compliance, Strong knowledge of cybersecurity operations and incident response, Understanding of detection engineering methodologies 📃 Skills: AI, ML, Cybersecurity, Agile, DevOps, GenAI, SOC, Governance, Risk, Compliance, Monitoring, IncidentResponse, DetectionEngineering, Data, Cloud 🏢 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: In this project, you will lead the end-to-end delivery of AI-enabled cybersecurity capabilities designed to reduce risk and strengthen detection, response, and operational resilience. The role involves close collaboration with cybersecurity, data, engineering, and risk/control stakeholders to drive initiatives from concept through production deployment while ensuring compliance, security, and measurable outcomes. Please note: this is a hybrid position, you will be expected to come into the office 6 days per month overall (the office is located in Kraków). 📈 Your Responsibilities : Lead end-to-end delivery of AI-driven cybersecurity initiatives across multiple workstreams, managing delivery plans, milestones, dependencies, and risks. Drive Agile/Hybrid delivery processes, translating cybersecurity priorities into actionable backlogs, release plans, and scalable delivery roadmaps. Support implementation of AI-enabled cybersecurity solutions in areas such as SOC operations, threat detection, vulnerability management, identity monitoring, and GenAI-powered analyst assistance. Collaborate with cybersecurity, engineering, platform, and data teams to ensure secure deployment, high data quality, and reliable operational performance of AI solutions. Ensure compliance with security, privacy, and responsible AI standards, including governance processes, documentation, validation, and audit readiness. Implement safeguards for GenAI solutions, including prompt controls, human oversight, logging, and data protection measures. Manage stakeholder communication, governance forums, delivery reporting, and coordination with third-party vendors where required. 🔑 Key Requirements: Advanced English in speaking and writing Proven success leading large-scale delivery programmes across cybersecurity, data, and AI domains, coordinating multiple teams within complex enterprise environments. Effective at building relationships with senior stakeholders and influencing decision-making across technology, security, and risk management functions. Practical understanding of AI/ML delivery frameworks, including model deployment, operational monitoring, performance degradation management, and retraining processes. Experience operating within highly regulated organisations, ensuring compliance with governance standards, audit expectations, and risk controls. Solid knowledge of cybersecurity operations, including security monitoring, incident response practices, and detection engineering methodologies. 📜Our Promise (what you can expect from us): 17-20k PLN on B2B 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 1 hour technical call with the client 30 minute call with the team leader 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: Senior Fullstack Engineer role focused on rebuilding and enhancing a modern web application using a contemporary TypeScript-based stack. The position involves hands-on frontend and backend development, ownership of features, and ensuring high-quality delivery within a small engineering team. Strong emphasis on Next.js, system design, testing, DevOps, and AI-assisted development. 🗂️ Requirements: 5+ years experience as Full-stack Engineer, Expert-level Next.js, Expert-level React, Expert-level TypeScript, Experience with PostgreSQL, Experience with Prisma or modern ORM, Experience with type-safe APIs (tRPC or similar), Experience with monorepo architectures (Turborepo, Nx or similar), Experience with React state management (Tanstack Query, Zustand), Strong understanding of unit, integration, and E2E testing, Experience with CI/CD pipelines, Experience with DevOps principles, Experience with observability (logging, monitoring, tracing), Ability to use AI coding assistants effectively, Fluent English communication skills 📃 Skills: Next.js, React, TypeScript, JavaScript, tRPC, Prisma, PostgreSQL, Supabase, Trigger.dev, Python, Tanstack, Zustand, ReactHookForm, Tailwind, shadcn, better-auth, Vitest, Playwright, Turborepo, pnpm, GitHubActions, CI/CD, DevOps 🏢 Description: About Us Latent AI is a leading AI solutions implementation partner, dedicated to helping our diverse clients solve their most complex challenges with cutting-edge technology. Our strength lies in our small, agile, and expert teams who deliver bespoke AI and machine learning solutions. We foster a culture of collaboration, innovation, and deep technical excellence. As we grow, we are seeking a leader who is passionate about nurturing the talented individuals at the heart of our success. Company Website : https://www.reachlatent.com/ The Role Start Date: March 1st 2026 We are looking for a senior fullstack engineer to join the team and work on rebuilding and enhancing a modern web application. The role is hands-on, covering both frontend and backend development, with a strong focus on quality, collaboration, and delivery. The ideal candidate is comfortable working with modern JavaScript frameworks, rebuilding existing systems, and using AI-assisted development tools effectively. This role suits someone who is proactive, communicates clearly, and can work independently while contributing as part of a close-knit engineering team. Our Tech Stack Frontend: Next.js, React 19, TypeScript, Tailwind v4, shadcn/ui Backend: tRPC, Prisma ORM, PostgreSQL, Supabase Background Jobs: Trigger.dev (TypeScript + Python) State & Data: Tanstack Query (React Query), Zustand, React Hook Form Auth: better-auth Testing: Vitest (unit/integration), Playwright (E2E) Monorepo: Turborepo + pnpm workspaces CI/CD: GitHub Actions What You’ll Do Project & Delivery Team Player: You will operate as part of a small team of full stack engineers who rebuild and maintain a full-stack web application (frontend & backend). Participate in technical discussions, reviews, and solution design. Proactive Ownership : A deep sense of accountability for your solutions, theproduct's quality, and its timely delivery. Own the planning and development of features of our Next.js/Node.js/Python platform. Hands-On Technical Expertise Core Stack Mastery: Expert-level, hands-on ability with Next.js and TypeScript . You must be able to write production-grade code. Full-Stack Context: A strong grasp of the entire system, including the backend data-processing services ( TypeScript ) and databases ( PostgreSQL ). DevOps & CI/CD: Solid experience with DevOps principles and CI/CD pipelines . You must understand how to maintain and improve a fast, reliable, and automated path from code to production. Observability: Experience implementing or managing observability tools (e.g.,logging, monitoring, tracing) to understand system health, debug issues, andensure high availability. Technical Quality & Testing: A strong understanding of modern testing strategies (unit, integration, e2e) and a commitment to shipping high-quality, well-tested code. AI Adoption: Leveraging AI coding assistants wisely to enhance development efficiency while keeping production level quality. Who You Are Technical Expert: Deep, hands-on experience with Next.js , TypeScript , and full-stack systems. Strong Communicator: Fluent in English, with ability to communicate complex technical ideas clearly and confidently to both engineers and clients. Business-Minded Engineer: You understand the “why” behind the code - connecting technical priorities directly to business outcomes. Problem Solver : You have the ability to make recommendations and contribute to the team technical discussions, constantly seeking ways to move forward, even when dealing with ambiguity. Role Requirements Must: Minimum of 5+ years of experience as a full-stack engineer, specifically working with modern web applications. Expert-level, hands-on ability with Next.js, React, and TypeScript. Deep experience with PostgreSQL and modern ORMs (we use Prisma). Experience with type-safe APIs (tRPC or similar approaches). Experience with monorepo architectures (Turborepo, Nx, or similar). Familiarity with React state management (Tanstack Query, Zustand). Working effectively with AI coding agents to enhance productivity. Commitment to high-quality code, including strong understanding of modern testing strategies (unit, integration, e2e). Excellent written and verbal communication skills in English, capable of communicating complex technical ideas clearly. Proven ability to work independently, proactively own outcomes, and contribute effectively as part of a small, close-knit team. Advantage: Experience with Tailwind CSS and modern component libraries (shadcn/ui). Experience with form libraries (React Hook Form or similar). Understanding of background job systems ( Trigger.dev , or similar). Experience with E2E testing frameworks. Understanding and experience with DevOps principles and managing CI/CD pipelines. Experience implementing or managing observability tools (logging, monitoring, tracing). Experience with authentication systems. Bonus Points: Experience in a consulting or professional services environment. Prior exposure to AI, ML, or data-driven platforms. Familiarity with distributed teams and cross-timezone collaboration. Why Join Us? This is a unique opportunity to shape the engineering culture at a growing AI services company. You'll have a direct impact on the careers of our talented engineers and play a pivotal role in our ability to deliver world-class solutions to our clients. If you are a leader who believes that great technology is built by happy, empowered, and supported people, we would love to hear from you.

🏢 Summary: Fullstack Developer role focused on modernizing a mature enterprise financial management platform into a cloud-native architecture using Java, React, and TypeScript. The position combines hands-on development with technical leadership, software architecture design, and AI-assisted engineering practices. The role includes mentoring engineers, driving DevOps adoption, and collaborating with international teams in a remote B2B setup. 🗂️ Requirements: Commercial experience with Java, Experience with Java/Jakarta EE, Hands-on experience with React, Hands-on experience with TypeScript, Experience designing enterprise software architecture, Knowledge of Azure, Knowledge of Docker, Experience with CI/CD, Knowledge of DevOps practices, Experience with AI-assisted development tools, Understanding of software architecture, Knowledge of design patterns, Experience with distributed systems, Experience building scalable applications 📃 Skills: Java, JakartaEE, React, TypeScript, Azure, Docker, CI/CD, DevOps, GitHubCopilot, MicrosoftCopilot, Kubernetes, C, C++ 🏢 Description: Company Description Our mission as a company providing IT services is to provide our clients all over the world with the best solutions. We manage to do this by analyzing the needs of our clients and matching them to the skills and aspirations of our employees. Therefore, one of our main motivations is to provide each Employee and Consultant with a satisfying experience. Joining us means being part of a community with diverse personalities. Start your adventure with act digital Polska ! Job Description We are looking for Fullstack Developer to work on mature enterprise financial management platform , as it evolves towards a modern, cloud-native architecture. The role combines hands-on software engineering with technical leadership, driving architecture, front-end standards, and AI-assisted development practices. Responsibilities Design and evolve application architecture , supporting the modernization of a large-scale enterprise platform. Lead development using Java, React, and TypeScript , promoting engineering best practices and reusable solutions. Drive adoption of AI-assisted development tools (e.g. GitHub Copilot, Microsoft Copilot) and contribute to AI-enabled engineering capabilities. Mentor engineers, review technical solutions, and collaborate with cross-functional teams to define the product's technical direction. Requirements Strong commercial experience with Java (Java/Jakarta EE) . Hands-on experience with React and TypeScript . Experience designing software architecture for enterprise applications. Knowledge of Azure , Docker , CI/CD , and modern DevOps practices. Experience with AI-assisted development tools (e.g. GitHub Copilot , Microsoft Copilot ). Strong understanding of software architecture , design patterns, distributed systems, and scalable application development. Nice to have Kubernetes. Experience modernizing monolithic applications into cloud-native architectures. Experience with ERP, financial, or other enterprise business applications. Knowledge of C/C++. Experience with AI integrations, APIs, Model Context Protocol (MCP), or developer platforms. Experience mentoring senior engineers and working in distributed international teams. Additional Information Work model: Remote Type of contract: B2B We offer Access to local and international projects - Clients from France, Germany, Portugal, UK, and Benelux. Professional development support - trainings, technical certificates, conference participation, foreign language classes, and soft skills trainings are subsidized for up to 2 000 PLN. Bonus for recommending Candidates starting from 6 000 up to 10000 PLN. Fully paid Medicover healthcare card. Psychological support program WellBee. Multisport card. Regular integration events and gifts. Long-term cooperation. Relocation Program. If You applied for this position the Controller of your personal will be ACT DIGITAL POLSKA Sp. z o.o., with its registered office at Przyokopowa 31, 01-208 Warsaw . The personal data provided by you will be processed for the purpose of the recruitment process and for future recruitment processes. You have the right to access the content of your data, request their rectification, erasure, restriction of processing, the right to data portability, the right to object to the processing of your data and the right to lodge a complaint to the President of the Personal Data Protection Office.

🏢 Summary: Junior+ Fullstack Developer role focused on building and maintaining an API-first medical platform and AI-powered medical agent using text and voice technologies. The position combines backend (Python) and frontend (Vue/Nuxt) development while ensuring compliance, automated testing, and readiness for medical audits. You will contribute to high-performance feature development and support a certified medical device in preparation for market entry. 🗂️ Requirements: Ability to work independently on backend (Python) and frontend (Vue/Nuxt) tasks, Experience with modern, typed, asynchronous Python in web development, Experience with Vue.js and Nuxt.js, Practical knowledge of relational databases, Familiarity with automated testing using Pytest and Playwright, Familiarity with static code analysis tools, Ability to follow established architectural and design patterns, Experience maintaining CI/CD pipelines, Comfortable using English and Polish in written and spoken communication 📃 Skills: Python, Vue, Nuxt, PostgreSQL, Pytest, Playwright, Pylint, Mypy, GitLab, Docker, Kubernetes, LLM, RAG, CI/CD, WebAPI 🏢 Description: We're a remote-first company that gathers folks passionate about redesigning healthcare for millions of people on the planet. If you are led by an ambition to make a good impact in the surrounding world, we would love to meet you. Your impact We are looking for a junior plus-level Fullstack Developer to support the development of our products. We mainly focus on two projects: Sophisticated medical agent that utilizes both text and voice technologies, where we are currently transitioning from a high-growth development phase to market readiness. MGP (Medical Guidance Platform) - a modular, API-first B2B platform currently used by multiple enterprise clients. As we prepare for critical audits and market entry, you will balance maintaining a mature codebase with the rapid development of new, high-performance features. This isn't just about writing code; it’s about developing a certified medical device that will change patient outcomes. You’ll be working with Web APIs, LLMs, and automated testing to ensure our medical assistant remains robust, compliant, and ready for global scale. Responsibilities Developing an API-first platform and a medical agent, specifically tackling the challenges of multitenancy and the integration of text/voice LLM technologies Contributing within technical lifecycle of our Medical Device features (from effort estimation and risk assessment to ensuring all development meets the rigorous documentation standards required for medical audits) Supporting the product development as a full-stack developer with an even split between backend (Python) and frontend (Vue/Nuxt) Supporting the team’s efforts in maintaining a robust CI/CD pipeline and automated testing, ensuring the balance between rapid feature growth and mature system maintenance Supporting other teams with technical knowledge, especially Tech Support or Customer Success Working with agentic tools like Cursor or Claude Code Working in an environment where automated testing, code reviews, and technical documentation are part of the daily definition of 'done’ Role requirements Ability to work independently with an even split between backend (Python) and frontend tasks (Vue/Nuxt) Experience with modern, typed, and asynchronous Python used in web development Experience with frontend technologies (we use Vue.js and Nuxt.js) Being comfortable with fast-paced environments Ability to follow established Architectural or Design Patterns Practical knowledge of relational databases (we use PostgreSQL) Familiarity with automated testing (Pytest + Playwright) and static code analysis (Pylint, Mypy) Comfortable using English and Polish for both written and spoken communication Nice to have Familiarity with concepts related to LLMs (RAGs, vector databases, prompt engineering, and performing evaluations of model outputs) Familiarity with CI/CD and DevOps concepts or tools like Docker, Docker Compose, CI/CD pipelines (we are using GitLab CI), and Kubernetes

🏢 Summary: Fullstack Developer role focused on building and scaling web-based MVP products from scratch, collaborating with cross-functional teams and leveraging AI tools to deliver scalable, secure, and high-quality solutions. The position involves roadmap ownership, architecture design, cloud deployment, and continuous product improvement based on metrics and user feedback. 🗂️ Requirements: Proven experience as Fullstack Developer with portfolio of web-based products, Strong knowledge of TypeScript or JavaScript, Knowledge of at least one: Python, Rust, or C#, Experience with React and JSX-based frameworks, Experience with Next.js, Understanding of cloud computing platforms and networking, Experience with Docker and CDN technologies, Knowledge of Edge Workers, Experience with data modeling, Experience with relational databases, Knowledge of PostgreSQL, Architecture design skills, Ability to use AI tooling for coding productivity, Familiarity with Agile methodologies, Experience with Jira or Linear 📃 Skills: TypeScript, JavaScript, Python, Rust, C#, React, Next.js, JSX, Docker, CDN, EdgeWorkers, PostgreSQL, SQL, Cloud, AI, Jira, Linear, Agile 🏢 Description: We’re a well-knit digital design studio working with products, brands and (no-)code. Founders come to us because we help them define, build and scale their MVPs. That means we gotta think beyond “u mnie działa” (though we love all the memes). You’re free to do the job your way, but the team is there for you. Doesn’t matter if you’re just in a pickle or need a real talk about your career — there’s always folks happy to give you a hand. And hey, we’re not here to point the finger at what to do. If you see something we can improve or know how to reach our goals — do it and get your cred. The team is already asking about you. Don't make them wait, apply! Your day-to-day Developing and maintaining the product roadmap & ensuring alignment with the project vision. Collaborating with cross-functional teams, including product design, engineering, no-code, to ensure that the product meets the desired specifications Defining growth metrics for individual products in cooperation with the team Writing code with help of AI to match the best standards of product development. Ensuring the product is scalable, reliable, and secure Testing the product thoroughly to identify and fix any issues before launch Monitoring the product's performance and user feedback after launch, iterating and improving as necessary It's a match if you're like this Proven experience as a Fullstack Developer or a similar role, with a portfolio of successful web-based products Solid skills how to leverage AI tooling for productivity gains. Strong knowledge of modern web development languages, TypeScript/JavaScript, and at least one of Python, Rust, C#. Experience with React/JSX-based web frameworks, preferably Next.js (app directory) Strong understanding of cloud computing platforms, networks, and associated technologies like Docker, CDN, Edge Workers, etc. Knowledge of data modeling and relational databases preferably PostgreSQL Architecture design skills Familiarity with Agile development methodologies and project management tools such as Jira or Linear Excellent communication and collaboration skills Passion for innovation and a desire to stay up-to-date with the latest development trends and technologies (nice to have) Bachelor's degree in Computer Science, Engineering, or a related field If you are a highly motivated and skilled Fullstack Developer looking for an exciting opportunity to create innovative products from scratch, we invite you to apply for this position. What you get Work wherever & whenever you want (but bonus points for being relatively close to our HQ) Unlimited budget for growth Unlimited hardware & software budget Paid time off and sick leave No overtime (but paid double if you volunteer) Dinners, retreats, and workations Worksmile cafeteria plan The process 1. You first Hit that big Apply button and tell us about yourself. 2. Vibe check Let’s jump on a call, so we can both figure whether it’s a fit. 3. Show off We’ll ask you to do a little task (that we’ll pay for) so we can see your wizardry. 4. Join the team One last interview to talk details and that’s it, you’re on board! Find out more at tonik.com

🏢 Summary: Opportunity for experienced Fullstack Consultants to join a verified freelance network supporting diverse projects such as greenfield development, MVPs, modernization, and consulting engagements. Collaboration is flexible (short-term, part-time, full-time) and project-based, depending on business needs and availability. Consultants are expected to independently deliver end-to-end solutions and support clients in outcome-driven initiatives. 🗂️ Requirements: Experience delivering end-to-end backend and frontend solutions, Ability to design software architecture and drive implementation to production, Experience estimating scope, timelines and engagement level, Ability to independently structure implementation work, Experience collaborating with technical and business stakeholders, Focus on software quality and maintainability, Active practical use of AI tools 📃 Skills: Backend, Frontend, Architecture, Estimation, AI, Prototyping, MVP, Consulting, Modernization, Delivery 🏢 Description: We are building a verified network of experienced freelancers and consultants who can support our clients in flexible cooperation models: from short-term delivery acceleration and MVP initiatives to outcome-based consulting engagements. This is not a traditional recruitment process. We are looking for experienced Fullstack Consultants interested in becoming part of network and open to future collaboration opportunities adjusted to project needs, availability and specialization fit. Remuneration depends on the type of assignment. For hourly rates, our range is 150-190 PLN net + VAT. What kind of projects may you support? Depending on business demand and your availability, potential engagements may include: greenfield product development, feature acceleration initiatives, modernization projects, MVP and rapid prototyping work, delivery reinforcement for existing engineering teams, consulting and outcome-based delivery projects, short-term high-impact initiatives. Examples of what you could do 👇 You should be capable of: independently delivering end-to-end technical solutions, collaborating directly with technical and business stakeholders, structuring implementation scope and estimating effort, balancing engineering quality with pragmatic delivery decisions. What would we expect? experience estimating implementation scope, delivery timelines and required level of engagement based on business needs, strong experience building end-to-end solutions across backend and frontend (from architecture design to implementation and production readiness), focus on software quality, maintainability and real business impact, active and pragmatic use of AI tools. No specific tech stack? That's intentional. We work with companies facing different challenges, so we're always open to professionals with unique combinations of skills and experience. If you can create value through technology, we'd love to hear from you. Important! joining the network does not guarantee immediate project allocation, potential engagements may vary in duration, scope and workload, part-time, full-time and short-term cooperation models are possible. By joining the network, you may gain: access to international projects and consulting initiatives, including collaborations with Scandinavian clients, opportunities adjusted to your availability, preferred engagement model and technical strengths, long-term relationship instead of one-off transactional recruiting processes. We want to build a high-quality network of experienced consultants we know, trust and can match with the right opportunities over time. Sounds like a fit? Let’s talk! 🚀

🏢 Summary: Opportunity for experienced Fullstack Consultants to join a flexible collaboration network supporting diverse client projects such as greenfield development, MVPs, modernization, and delivery acceleration. Engagements vary in scope and duration, focusing on end-to-end solution delivery and outcome-based consulting. Compensation is assignment-based with hourly rates in the 150–190 PLN net + VAT range. 🗂️ Requirements: Proven experience delivering end-to-end backend and frontend solutions, Ability to design architecture and deliver production-ready systems, Experience estimating scope, timelines, and level of engagement, Capability to independently structure and implement technical solutions, Experience collaborating with technical and business stakeholders, Strong focus on software quality and maintainability, Practical use of AI tools in development work 📃 Skills: Backend, Frontend, Architecture, APIs, Databases, Testing, DevOps, Git, AI, Estimation 🏢 Description: We are building a verified network of experienced freelancers and consultants who can support our clients in flexible cooperation models: from short-term delivery acceleration and MVP initiatives to outcome-based consulting engagements. This is not a traditional recruitment process. We are looking for experienced Fullstack Consultants interested in becoming part of network and open to future collaboration opportunities adjusted to project needs, availability and specialization fit. Remuneration depends on the type of assignment. For hourly rates, our range is 150-190 PLN net + VAT. What kind of projects may you support? Depending on business demand and your availability, potential engagements may include: greenfield product development, feature acceleration initiatives, modernization projects, MVP and rapid prototyping work, delivery reinforcement for existing engineering teams, consulting and outcome-based delivery projects, short-term high-impact initiatives. Examples of what you could do 👇 You should be capable of: independently delivering end-to-end technical solutions, collaborating directly with technical and business stakeholders, structuring implementation scope and estimating effort, balancing engineering quality with pragmatic delivery decisions. What would we expect? experience estimating implementation scope, delivery timelines and required level of engagement based on business needs, strong experience building end-to-end solutions across backend and frontend (from architecture design to implementation and production readiness), focus on software quality, maintainability and real business impact, active and pragmatic use of AI tools. No specific tech stack? That's intentional. We work with companies facing different challenges, so we're always open to professionals with unique combinations of skills and experience. If you can create value through technology, we'd love to hear from you. Important! joining the network does not guarantee immediate project allocation, potential engagements may vary in duration, scope and workload, part-time, full-time and short-term cooperation models are possible. By joining the network, you may gain: access to international projects and consulting initiatives, including collaborations with Scandinavian clients, opportunities adjusted to your availability, preferred engagement model and technical strengths, long-term relationship instead of one-off transactional recruiting processes. We want to build a high-quality network of experienced consultants we know, trust and can match with the right opportunities over time. Sounds like a fit? Let’s talk! 🚀

🏢 Summary: Product Owner role responsible for translating product vision into clear, testable user stories and leading agile delivery for a US-based client. The position focuses on backlog management, sprint execution, stakeholder collaboration, and data-driven product decisions. You will bridge business needs and technical teams to ensure high-quality, customer-focused software delivery. 🗂️ Requirements: Proven experience as Product Owner in software development environment, Strong knowledge of Agile principles and SAFe framework, Hands-on experience with backlog management and sprint planning, Ability to write clear, testable user stories and acceptance criteria, Experience defining and tracking KPIs and product metrics, Experience leading requirements workshops and backlog refinement, Proficiency with Jira or similar agile management tools, Advanced English (C1), Polish language proficiency (B2/C1) 📃 Skills: Agile, SAFe, Scrum, Jira, KPIs, ROI, Backlog, UserStories, PIPlanning, English, Polish 🏢 Description: We don’t follow best practices, we set them! Callstack supports and inspires top industry leaders to ship better digital products and services to their users. We are a team of high-level experts in cross-platform development and consultancy. We co-create the technology, collaborate with the Meta team on setting the direction for the future growth of the React Native framework, and much more! We are recognized in the React Native Community as contributors to Open Source projects , organizers of React Universe Conf , as well as speakers at international conferences. We also organize regular community meetups in our HQ in Wrocław, Poland. We truly believe that you can get the best out of people when you give them a chance to participate and develop. At Callstack you are the one to decide in which area you want to grow, you’ll have an individual self-development budget to empower your competencies and gain new skills. Our goal is to allow every employee to speak up and introduce their ideas to build the future together. Join us and work with the TOP Silicon Valley and Fortune 500 companies in the USA! We're looking for a Product Owner to translate product vision into actionable, high-quality user stories for development teams. In this role you will be the voice of the customer, bridging the gap between stakeholder expectations and technical execution. You'll collaborate directly with our US‑based client, operating within US adaptive hours (Monday - Friday 12:00–20:00 CET) , and champion both project delivery and agile execution. As a Product Owner you will: Write clear, comprehensive user stories with detailed acceptance criteria, user journeys, and relevant design and architectural specifications. Define and uphold a strict Definition of Ready (DoR) and Definition of Done (DoD) to ensure clarity and the highest quality throughout the development lifecycle. Prepare and lead engaging Sprint Demos for stakeholders, showcasing the team's achievements and gathering valuable feedback. Act as the final gatekeeper for sprint deliverables , signing off on user stories and bugs to confirm they meet all acceptance criteria. Embrace a data-driven approach by defining success metrics (KPIs, ROI) and aligning with stakeholders on product impact goals. Lead requirements gathering workshops (Inspect Phase) with technical experts and stakeholders to elicit business needs and mitigate gaps. Conduct backlog refinement sessions , breaking down epics into manageable, well-defined stories and mapping all dependencies. Collaborate closely with the Scrum Master and development team during PI Planning and throughout sprints to manage priorities, resolve blockers, and ensure a high story completion rate. Champion a customer-focused mindset , deeply understanding user pain points and ensuring they are addressed in the product backlog. You are the right candidate if you have: Proven professional experience as a Product Owner , ideally in a software development or corporate environment. Exceptional communication skills , with the ability to work effectively with cross-functional teams and stakeholders. Deep understanding of Agile principles and frameworks (SAFe) , with hands-on experience in backlog management, refinement, and sprint planning. A strong analytical and data-driven mindset , with experience in defining and tracking product KPIs. A genuine passion for understanding customer needs and translating them into functional product requirements. Demonstrated ability to write clear, concise, and testable user stories and acceptance criteria. Proactive, curious, and adaptable , with a continuous learning attitude in a fast-paced setting. Experience with agile management tools such as Jira. Strong command of business English language (C1), both written and verbal. Ability to communicate in Polish language (B2/C1). Independence and proactiveness in daily work. Nice to have: Professional Scrum Product Owner (PSPO) or Certified Scrum Product Owner (CSPO) certification. Experience working directly with end-users and conducting user research. A background in business analysis or a related field. What we offer: 24 paid days off & 30 days paid sick leave for B2B contractors Fully-covered life insurance Private healthcare for you and your family Free access to mental health platform - Helping Hand Multisport Card or monthly allowance for other sports activities Individual Wellbeing & Development Budget Monthly lunch allowance Flexible working hours and the possibility of remote work Accounting costs refund for B2B contractors Cool office in Wrocław city center Magnificent team events and activities Company-wide workation and team building workshops Top-notch hardware - Apple devices

🏢 Summary: Fullstack Developer role focused on building and enhancing a large-scale corporate webstore and self-service portal, covering end-to-end development and DevOps. The position involves working with modern cloud infrastructure, contributing to architecture decisions, and delivering high-quality, secure solutions. The project emphasizes UX improvements, AI-assisted development, and scalable web platforms. 🗂️ Requirements: Proven professional experience as Fullstack Developer, Fluent English communication skills, Proficiency in React, Proficiency in TypeScript, Proficiency in Golang, Proficiency in Node.js, Experience with MariaDB, Experience with ElasticSearch, Hands-on experience with Docker, Hands-on experience with Kubernetes, Experience with AWS or GCP, Experience with GitHub Actions, Experience using AI tools in development workflow, Ability to write unit tests, Knowledge of secure development practices 📃 Skills: React, TypeScript, Golang, Node.js, MariaDB, ElasticSearch, Docker, Kubernetes, AWS, GCP, GitHub, GitHubActions, Copilot, DevOps, Scrum, Salesforce, GA4 🏢 Description: Fullstack Developer (Go / React / Node.js) At Link Group , we connect top-tier IT talent with global industry leaders. We are more than just a recruitment agency; we are your strategic partner in career growth. We pride ourselves on transparency, a deep understanding of the tech landscape, and a commitment to matching the right people with projects that truly matter. Join a community where your expertise is valued and your professional development is our priority. Project Description We are looking for a Fullstack Developer to join a Corporate Online Development team. The project focuses on implementing a world-class webstore and self-service portal for corporate customers. Depending on the team, you will focus on bringing new services and products into assisted and unassisted sales channels or significantly improving customer and user experiences (UX). Responsibilities End-to-end Development: Handle fullstack development and DevOps responsibilities for large-scale websites and self-service portals. Collaboration: Actively contribute to the codebase and participate in architectural discussions. Team Support: Coach and support junior members of the team, fostering a culture of knowledge sharing. Teamwork: Maintain a "team-first" attitude—willing to help others and work together to solve complex challenges. Requirements (Must have) Experience: Proven professional experience as a Fullstack Developer. Communication: Full capability to work efficiently and communicate fluently in English. Mindset: Driven and eager to find solutions (proactive approach to learning, developing, and getting things done). Tech Stack: Proficiency in React, TypeScript, Golang, Node.js, MariaDB, and ElasticSearch . Infrastructure: Hands-on experience with Docker, Kubernetes, AWS/GCP, and GitHub Actions . AI Integration: Practical experience using AI tools as part of the development workflow (e.g., GitHub Copilot ). Quality Focus: A "quality-first" attitude—writing unit tests, following secure development practices, and ensuring high solution performance. Nice to have Experience in developing sophisticated, customer-facing user interfaces (UI). Business knowledge specific to the Telco industry. Familiarity with TM Forum Open Digital Architecture . Skills and experience working with both public and private clouds. A track record of practical experimentation with new ideas and R&D. Real familiarity with Agile (Scrum) methodologies—Scrum Master experience is a huge plus. Experience working with Salesforce APIs . Knowledge of Web Analytics (specifically GA4 ). What We Offer Opportunity to work on a high-impact, global corporate platform. A mature environment that values clean code and secure development. A "fail-fast" and experimental culture where new ideas are encouraged.