May 26, 2026

Senior / Staff Full Stack Engineer

Senior • Remote

27,000 - 30,000 PLN

Krakow, Poland

We are looking for a Senior / Staff Full Stack Engineer with strong Python and React experience to build and scale an AI driven product platform in a fully remote setup. The role focuses on frontend experiences, backend APIs, document processing, retrieval systems, and structured AI / ML outputs.

✅ Your responsibilities:

  • Building frontend experiences in React and TypeScript for evidence review, workflow status, recommendations, and decision outputs.

  • Developing backend APIs in Python, ideally with FastAPI, for document upload, asynchronous processing, job status, retries, partial success, and structured results.

  • Connecting frontend, backend, data workflows, retrieval systems, and AI generated outputs into a reliable product experience.

  • Building product features that make AI outputs easier to inspect through source references, confidence signals, warnings, and clear error states.

  • Working with structured data, documents, tables, financial metrics, and normalized evidence flows.

  • Writing tests around API contracts, edge cases, error cases, and realistic user workflows.


🧠 Our requirements:

  • 5+ years of professional full stack engineering experience.

  • Strong experience with Python and backend API development.

  • Strong experience with React and TypeScript in production applications.

  • Experience with modern API frameworks, ideally FastAPI or similar.

  • Understanding of AI / ML product workflows or strong interest in building software around AI outputs.

  • Experience designing and consuming API contracts, schemas, and structured JSON payloads.

  • Comfort with asynchronous workflows, background jobs, retries, partial failures, and user visible process status.

  • Good testing habits, especially around edge cases, failure cases, and API behavior.

⭐ Nice to Have:

  • Experience with AI / ML product workflows, including retrieval systems, embeddings, vector search, LLM based applications, or LLM APIs such as OpenAI, Gemini, Anthropic/Claude.

  • Experience with data heavy products, including data workflows, document processing, data normalization, or working with structured evidence.

  • Experience with cloud and data infrastructure, ideally Firebase, Firestore, Google Cloud Platform, Cloud Run, Cloud SQL, vector search, or Neo4j.


🌟 What we offer:

  • 100% remote work

  • Opportunity to work on modern ML/AI infrastructure

  • Private healthcare and Multisport

  • Life insurance

  • Real influence on technical decisions and architecture

  • Exposure to cutting-edge technologies

  • Collaborative and supportive team environment

Similar jobs you might like

Technology

Link Group

Senior Full Stack Software Engineer

Senior

Hybrid

Warsaw, Poland

30,000 - 40,000 PLN

🏢 Summary: The offer is for a Full Stack Software Engineer to design and develop scalable backend services, RESTful APIs, and modern frontend applications using TypeScript and React or Angular. The role involves working with Python, PostgreSQL, and AWS-based cloud environments to deliver reliable, high-performance solutions. It also includes contributing to CI/CD pipelines and cloud-native infrastructure setup. 🗂️ Requirements: Strong experience with TypeScript, Proficiency in React or Angular, Backend and RESTful API development experience, Experience with Python, Knowledge of relational databases, Experience with PostgreSQL, Experience with AWS cloud services, Ability to work across the full stack, Experience with CI/CD pipelines, Experience with cloud infrastructure setup 📃 Skills: TypeScript, React, Angular, Python, REST, PostgreSQL, AWS, CI/CD, Kubernetes, Docker 🏢 Description: Do you enjoy building polished, user-friendly applications while working across the full stack? We are looking for a talented Full Stack Software Engineer to design and develop scalable backend services, RESTful APIs, and modern frontend applications using TypeScript and React or Angular. You’ll also get to leverage Python for backend scripting and work with cloud-native systems to deliver solutions that make a real impact. What You’ll Do: Build and maintain RESTful APIs and backend services in a cloud environment. Develop responsive frontend applications using React/TypeScript or Angular. Work with relational databases (PostgreSQL) and integrate multiple data sources. Ensure applications are reliable, scalable, and performant. Collaborate with stakeholders to translate requirements into high-quality technical solutions. Contribute to CI/CD pipelines, deployment automation, and cloud infrastructure setup. Must Haves: Strong experience with TypeScript and React or Angular Backend/API development experience and familiarity with Python Knowledge of relational databases and cloud-based systems (AWS preferred) Ability to work across the full stack and take ownership of solutions Nice to Haves: Experience with distributed systems or service-oriented architectures Familiarity with containers, Kubernetes, and cloud-native deployment patterns Exposure to data-intensive or analytics-driven applications

Technology

Link Group

Senior Full Stack Software Engineer

Senior

Hybrid

Warsaw, Poland

30,000 - 40,000 USD

🏢 Summary: Full Stack Software Engineer role focused on building scalable backend services and RESTful APIs while developing modern frontend applications using TypeScript and React or Angular in a cloud environment. The position involves working across the full stack, leveraging Python, PostgreSQL, and AWS to deliver reliable, high-performance solutions. You will contribute to CI/CD pipelines and cloud infrastructure setup to support scalable deployments. 🗂️ Requirements: Strong experience with TypeScript, Strong experience with React or Angular, Backend and RESTful API development experience, Experience with Python, Knowledge of relational databases, Experience with cloud-based systems, Ability to work across the full stack 📃 Skills: TypeScript, React, Angular, Python, REST, PostgreSQL, AWS, CI/CD, Kubernetes, Docker 🏢 Description: Do you enjoy building polished, user-friendly applications while working across the full stack? We are looking for a talented Full Stack Software Engineer to design and develop scalable backend services, RESTful APIs, and modern frontend applications using TypeScript and React or Angular. You’ll also get to leverage Python for backend scripting and work with cloud-native systems to deliver solutions that make a real impact. What You’ll Do: Build and maintain RESTful APIs and backend services in a cloud environment. Develop responsive frontend applications using React/TypeScript or Angular. Work with relational databases (PostgreSQL) and integrate multiple data sources. Ensure applications are reliable, scalable, and performant. Collaborate with stakeholders to translate requirements into high-quality technical solutions. Contribute to CI/CD pipelines, deployment automation, and cloud infrastructure setup. Must Haves: Strong experience with TypeScript and React or Angular Backend/API development experience and familiarity with Python Knowledge of relational databases and cloud-based systems (AWS preferred) Ability to work across the full stack and take ownership of solutions Nice to Haves: Experience with distributed systems or service-oriented architectures Familiarity with containers, Kubernetes, and cloud-native deployment patterns Exposure to data-intensive or analytics-driven applications

Technology

N-iX

Senior Full-Stack Python Engineer

Senior

Remote

Krakow, Poland

6,000 - 7,100 USD

🏢 Summary: Senior Full-Stack Engineer role focused on building and scaling an AI-powered document processing and automation platform in a cloud environment. The position involves developing backend services in Python and front-end applications in TypeScript while delivering scalable APIs, microservices, and data workflows. The role requires hands-on contribution to architecture, cloud deployment, and integration of AI-driven features. 🗂️ Requirements: 6+ years of professional software engineering experience, Strong proficiency in Python, Experience with FastAPI, Flask, or Django, Solid experience with TypeScript, Experience with React or Next.js, Hands-on experience designing and implementing microservices, Experience building and integrating REST APIs, Strong knowledge of relational or NoSQL databases, Experience with AWS or Azure, Familiarity with CI/CD pipelines, Experience with Docker, Proficiency with Git, Understanding of scalability, reliability, performance, and security principles 📃 Skills: Python, FastAPI, Flask, Django, TypeScript, React, Next.js, REST, Microservices, PostgreSQL, MySQL, MongoDB, Firestore, AWS, Azure, Docker, Git, CI/CD 🏢 Description: Client Overview Our client is a global UK-based financial services and investment banking organization developing an AI-powered document processing and automation platform used across multiple business units. The platform focuses on large-scale data processing, workflow automation, integration with internal systems, and delivering modern digital capabilities for the wider banking group. Position Overview We are looking for a Senior Full-Stack Engineer to join a cross-functional engineering team building core components of the AI-driven document processing platform. This position requires strong backend engineering experience with Python as well as solid front-end or full-stack proficiency with TypeScript (preferably React, Next.js, or similar frameworks). You will work on delivering scalable APIs, microservices, data workflows, and UI components that power document automation features, internal tools, and operational dashboards. The role involves close collaboration with product, architecture, GenAI, and platform engineering teams. This role is ideal for someone who is hands-on, highly technical, and comfortable designing, developing, and deploying production-grade systems in cloud environments (preferably Google Cloud). Key Responsibilities Design, develop, and maintain backend services using Python (FastAPI, Flask, Django, or similar frameworks). Build front-end components and UIs using TypeScript (React, Next.js, or similar frameworks). Develop and integrate REST APIs and microservices, ensuring strong performance, reliability, and observability. Collaborate closely with GenAI engineers to integrate AI-driven features and document-processing flows. Implement data processing pipelines for structured and unstructured data. Contribute to the platform’s architecture, design patterns, and technical decision-making. Write automated tests and ensure a high level of code quality, maintainability, and security. Partner with product managers, designers, and QA engineers to deliver high-quality solutions on time. Document code, service interfaces, workflows, and architectural decisions. Requirements 6+ years of professional software engineering experience, with significant work in both backend and full-stack roles. Strong proficiency in Python (FastAPI, Flask, Django, or similar). Solid experience with TypeScript and modern front-end frameworks (React, Next.js, or similar). Hands-on experience designing and implementing microservices, APIs, and backend systems. Strong understanding of databases: relational (PostgreSQL, MySQL) and/or NoSQL (MongoDB, Firestore). Experience with any cloud providers (AWS/Azure). Familiarity with CI/CD pipelines, Docker, Git, and modern DevOps practices. Strong understanding of software engineering principles: scalability, reliability, performance, and security. Experience working in agile, cross-functional teams on complex products. Excellent communication skills and ability to work with both technical and non-technical stakeholders. Nice to Have Experience working with AI/ML or GenAI-driven systems. Experience with Google Cloud Platform Familiarity with Vertex AI, Gemini, or integration with LLM-powered services. Experience with WebSockets, event-driven architectures, or Pub/Sub. Knowledge of authentication/authorization standards (OAuth2, JWT, IAM). Experience with document processing, OCR, or workflow automation.

Technology

Upvanta sp. z o.o.

Senior Full Stack Developer (React & .NET Core) (m/k/n)

Senior

Remote

Warsaw, Poland

900 - 1,150 PLN

🏢 Summary: Senior Full Stack Developer role focused on building scalable, cloud-native applications using React and C# .NET Core within capital markets risk domains. The position involves developing microservices, REST APIs, data pipelines with Python (pyspark), and enterprise Power BI solutions. Strong emphasis on event-driven architectures, CI/CD automation, and Azure-based cloud environments. 🗂️ Requirements: 10+ years software development experience, Strong proficiency in React.js and JavaScript/TypeScript, Expertise in C# and .NET Core, Experience building REST APIs and microservices, Hands-on experience with Python and pyspark, Extensive Power BI development experience, Strong knowledge of microservices and event-driven architectures, Experience with CI/CD pipelines, Experience with Azure or AWS, Proficiency in SQL databases, Experience with Docker and Kubernetes, Understanding of credit risk and market risk domains 📃 Skills: React, JavaScript, TypeScript, Redux, C#, .NET, Python, pyspark, PowerBI, DAX, SQL, SQLServer, PostgreSQL, Docker, Kubernetes, Azure, AWS, Kafka, EventHub, Jenkins, GitHub, AzureDevOps, REST, Microservices 🏢 Description: About the Role We are seeking a highly experienced Senior Full Stack Developer with deep expertise in React on the frontend and C# .NET Core on the backend. The ideal candidate will have substantial hands-on experience developing scalable applications, strong exposure to cloud-native architectures, and a solid understanding of capital markets—particularly in credit risk and market risk domains. Experience with Python (pyspark) for data-driven workflows and a strong command of CI/CD, microservices, and event-driven architectures is essential. ________________________________________ Key Responsibilities Design, develop, and maintain full stack applications using React, C#.NET Core, and supporting technologies. Build high-performance backend services, RESTful APIs, and microservices with focus on scalability, maintainability, and resilience. Develop responsive, modular, and accessible UI components using React and modern JS/TS patterns. Collaborate closely with business stakeholders and risk domain experts to deliver solutions in credit risk, market risk, and related capital markets functions. Work with Python (pyspark) for data transformation, data pipelines, and analytics workflows. Develop, optimize, and maintain Power BI dashboards, data models, and analytical reports for business users. Implement and optimize CI/CD pipelines, ensuring robust automated testing, deployment, and monitoring. Architect and contribute to event-driven and distributed system designs using technologies such as Kafka, Event Hub, or similar. Drive engineering best practices: code reviews, unit/integration testing, performance tuning, documentation. Contribute to cloud migration and modernization initiatives, especially in Azure or AWS environments. Mentor junior developers and collaborate within a cross-functional agile team. ________________________________________ Required Skills & Experience Technical Skills 10+ years of professional software development experience. Front-end: Strong proficiency in React.js, JavaScript/TypeScript, Redux/RTK, hooks, and modern UI patterns. Back-end: Expertise in C# .NET Core, C#, REST APIs, Web APIs, and microservices-based development. Python (pyspark): Hands-on experience with distributed data processing, data pipelines, and analytic transformations. Power BI: Extensive experience developing dashboards, data models, DAX calculations, and enterprise-grade BI solutions. Strong understanding of data modeling, performance tuning, and governance in Power BI. Architecture: Strong knowledge of microservices, API design, event-driven architectures, and distributed systems. DevOps / CI/CD: Experience with Azure DevOps, GitHub Actions, Jenkins, or similar. Strong understanding of automated builds, testing, deployment, and monitoring. Cloud Platforms: Experience with Azure or AWS (Azure preferred). Databases: Proficiency with SQL Server, PostgreSQL, or other relational databases; NoSQL knowledge a plus. Containerization: Experience with Docker, Kubernetes, container orchestration. Domain Knowledge Understanding of capital markets, specifically: Credit risk (PD, LGD, EAD, credit exposure modeling, counterparty risk). Market risk (VaR, sensitivities, stress testing, pricing concepts). Familiarity with regulatory frameworks (e.g., Basel, FRTB, IFRS9) is a strong advantage. ________________________________________ Soft Skills Strong analytical and problem solving abilities. Excellent communication skills and ability to interact with technical and non-technical stakeholders. Collaborative, agile mindset with experience in Scrum/Agile environments. Ability to work independently and lead technical solutions end to end.

Technology

ITDS

Senior Full-Stack React and Python Developer — Financial Technology

Senior

Remote

Warsaw, MZ, Poland

6,300 - 8,400 USD

🏢 Summary: Senior Full-Stack React and Python Developer role focused on building and enhancing an AI-driven investment research platform. The position involves developing React frontend features and Python/Node.js backend services, integrating REST APIs, and ensuring high-quality, scalable solutions in a fintech environment. Fully remote within the EU. 🗂️ Requirements: 6+ years Full-Stack development experience, Strong React experience with hooks, Backend development in Python or Node.js, Experience building and integrating REST APIs, Understanding of state management patterns, Ability to work across frontend and backend, Experience with code reviews, Strong debugging skills across full stack, Fluent English, Legal right to work in the EU 📃 Skills: React, JavaScript, Python, Node.js, REST, APIs, HTML, CSS, Git 🏢 Description: Empower innovation at the forefront of financial technology — shape the future of AI-driven investment research! EU-based opportunity with a remote work model (up to 5 days per week). As a Senior Full-Stack React and Python Developer , you will be working for our client, a pioneer in building AI-powered infrastructure for investment research. You will contribute to automating expert interviews, managing global expert networks, and delivering critical insights to hedge fund clients under strict compliance standards. Join a growing platform that is redefining data-driven finance and unlock new career heights in a cutting-edge environment. Your main responsibilities: Build and iterate on React-based frontend features for our web application. Develop and maintain backend services in Python and/or Node.js. Integrate frontend components with REST APIs and data services. Participate in code reviews and promote engineering best practices. Debug issues across the entire stack—from UI rendering to API behavior. Collaborate with design and product teams to implement clean, user-friendly interfaces. You're ideal for this role if you have: At least 6 years of experience as a Full-Stack Developer, ideally within fintech or data-heavy environments. Strong React experience with modern hooks-based development. Backend development experience in Python and/or Node.js. Comfort working across the full stack and owning features end-to-end. Solid understanding of REST APIs and state management patterns. Clean coding habits and familiarity with code review processes. It is a strong plus if you have: (optional) Experience with TypeScript on both frontend and backend. Knowledge of cloud deployment platforms such as Azure or AWS. Background in financial technology, data-intensive applications, or compliance-focused products. Experience with testing frameworks like Jest or Pytest. Language Required for the role: Fluent English Eligibility for the role: Only candidates with an existing legal right to work in the European Union will be considered for this role. #MAKEYourCareerBETTER Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.

Technology

ITDS

Senior Python & React Full-Stack Engineer

Senior

Remote

Warsaw, Poland

25,200 - 31,500 PLN

🏢 Summary: Senior Python & React Full-Stack Engineer role focused on maintaining, troubleshooting, and enhancing an existing live product within a single-client environment. The position involves full-stack development, improving UI/UX, onboarding users, and ensuring system stability and performance. This is a remote EU-based role with strong emphasis on practical problem-solving and product evolution. 🗂️ Requirements: 6+ years of experience as Full Stack Developer/Engineer, Hands-on backend experience with Python, Solid frontend experience with React, Experience with databases, Experience with cloud environments (preferably Azure), Understanding of software development lifecycle, Experience maintaining and improving existing products, Strong debugging and issue-resolution skills, Fluent English, Legal right to work in Europe 📃 Skills: Python, React, SQL, Azure, Cloud, UI, UX, Debugging 🏢 Description: Build what matters—stabilize, improve, and evolve a live product used every day. Remote (EU) • Up to 5 remote days/week As a Senior Python & React Full-Stack Engineer , you will be working for our client on an existing software product used within a single-client environment. Instead of starting from scratch, you will maintain, troubleshoot, and enhance a live solution—helping it grow as new users onboard and new needs emerge. If you enjoy practical problem-solving across frontend and backend, this is the kind of role where your work has immediate impact. Your main responsibilities: Support the ongoing development and maintenance of an existing software product Troubleshoot and fix bugs reported by users during onboarding and day-to-day usage Implement improvements and new features based on user feedback and business needs Enhance the UI/UX experience to keep the platform intuitive and user-friendly Work across both backend and frontend layers of the application Collaborate with stakeholders to understand issues, prioritize enhancements, and deliver practical solutions Help onboard new users by ensuring the platform remains stable and effective Continuously improve code quality, usability, and performance You're ideal for this role if you have: 6+ years of experience as a Full Stack Developer / Full Stack Engineer Hands-on backend experience with Python Solid frontend experience with React Basic to solid experience with databases and cloud-based environments (preferably Azure ) A strong understanding of the software development lifecycle across frontend and backend Experience maintaining and improving existing products (not only building new systems) Strong debugging and issue-resolution skills with clean, practical fixes A product-minded approach with sensitivity to UI/UX and user needs It is a strong plus if you have: (optional) Experience working on client-facing internal tools or single-client product environments Exposure to product support, user onboarding, or post-launch optimization Enthusiasm for AI and a practical understanding of how it works (without training models) Familiarity with Azure cloud-based application architecture Language Required for the role : English (Fluent) Eligibility for the role : Only candidates with an existing legal right to work in Europe will be considered for this role. #MAKEYourCareerBETTER Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.

Technology

Upvanta sp. z o.o.

Senior Full Stack Developer (React & .NET Core) (m/k/n)

Senior

Remote

Wroclaw, Poland

900 - 1,150 USD

🏢 Summary: Senior Full Stack Developer role focused on building scalable, cloud-native applications using React on the frontend and C# .NET Core on the backend within capital markets risk domains. The position involves developing microservices, REST APIs, data pipelines with Python (PySpark), and enterprise Power BI solutions, while contributing to CI/CD, event-driven architectures, and cloud modernization initiatives. The role requires deep expertise in distributed systems and strong domain knowledge in credit and market risk. 🗂️ Requirements: 10+ years of professional software development experience, Strong expertise in React and JavaScript/TypeScript, Expert-level knowledge of C# and .NET Core, Experience building REST APIs and microservices, Hands-on experience with Python and PySpark for data processing, Extensive experience with Power BI dashboards, DAX, and data modeling, Strong knowledge of microservices and event-driven architectures, Experience with CI/CD pipelines and DevOps practices, Experience with Azure or AWS cloud platforms, Proficiency in SQL and relational databases, Experience with Docker and Kubernetes, Understanding of credit risk and market risk concepts in capital markets 📃 Skills: React, JavaScript, TypeScript, Redux, C#, .NET, REST, Python, PySpark, PowerBI, DAX, SQL, PostgreSQL, SQLServer, Docker, Kubernetes, Azure, AWS, Kafka, EventHub, Jenkins, GitHubActions 🏢 Description: About the Role We are seeking a highly experienced Senior Full Stack Developer with deep expertise in React on the frontend and C# .NET Core on the backend. The ideal candidate will have substantial hands-on experience developing scalable applications, strong exposure to cloud-native architectures, and a solid understanding of capital markets—particularly in credit risk and market risk domains. Experience with Python (pyspark) for data-driven workflows and a strong command of CI/CD, microservices, and event-driven architectures is essential. ________________________________________ Key Responsibilities •     Design, develop, and maintain full stack applications using React, C#.NET Core, and supporting technologies. •     Build high-performance backend services, RESTful APIs, and microservices with focus on scalability, maintainability, and resilience. •     Develop responsive, modular, and accessible UI components using React and modern JS/TS patterns. •     Collaborate closely with business stakeholders and risk domain experts to deliver solutions in credit risk, market risk, and related capital markets functions. •     Work with Python (pyspark) for data transformation, data pipelines, and analytics workflows. •     Develop, optimize, and maintain Power BI dashboards, data models, and analytical reports for business users. •     Implement and optimize CI/CD pipelines, ensuring robust automated testing, deployment, and monitoring. •     Architect and contribute to event-driven and distributed system designs using technologies such as Kafka, Event Hub, or similar. •     Drive engineering best practices: code reviews, unit/integration testing, performance tuning, documentation. •     Contribute to cloud migration and modernization initiatives, especially in Azure or AWS environments. •     Mentor junior developers and collaborate within a cross-functional agile team. ________________________________________ Required Skills & Experience Technical Skills •     10+ years of professional software development experience. •     Front-end: o     Strong proficiency in React.js, JavaScript/TypeScript, Redux/RTK, hooks, and modern UI patterns. •     Back-end: o     Expertise in C# .NET Core, C#, REST APIs, Web APIs, and microservices-based development. •     Python (pyspark): o     Hands-on experience with distributed data processing, data pipelines, and analytic transformations. •     Power BI: o     Extensive experience developing dashboards, data models, DAX calculations, and enterprise-grade BI solutions. o     Strong understanding of data modeling, performance tuning, and governance in Power BI. •     Architecture: o     Strong knowledge of microservices, API design, event-driven architectures, and distributed systems. •     DevOps / CI/CD: o     Experience with Azure DevOps, GitHub Actions, Jenkins, or similar. o     Strong understanding of automated builds, testing, deployment, and monitoring. •     Cloud Platforms: o     Experience with Azure or AWS (Azure preferred). •     Databases: o     Proficiency with SQL Server, PostgreSQL, or other relational databases; NoSQL knowledge a plus. •     Containerization: o     Experience with Docker, Kubernetes, container orchestration. Domain Knowledge •     Understanding of capital markets, specifically: o     Credit risk (PD, LGD, EAD, credit exposure modeling, counterparty risk). o     Market risk (VaR, sensitivities, stress testing, pricing concepts). •     Familiarity with regulatory frameworks (e.g., Basel, FRTB, IFRS9) is a strong advantage. ________________________________________ Soft Skills •     Strong analytical and problem solving abilities. •     Excellent communication skills and ability to interact with technical and non-technical stakeholders. •     Collaborative, agile mindset with experience in Scrum/Agile environments. •     Ability to work independently and lead technical solutions end to end.

Technology

Link Group

Senior Fullstack Engineer - Node, React, Typescript

Senior

Remote

Warsaw, Poland

25,000 - 37,000 PLN

🏢 Summary: Senior Full Stack Engineer role focused on building scalable web applications, solving complex technical challenges, and contributing to architecture decisions in a modern product environment. The position involves full-stack development across frontend, backend, and cloud systems using modern technologies. The offer includes remote work, flexible hours, modern equipment, and growth opportunities in a collaborative team. 🗂️ Requirements: 5+ years of Full Stack Software Engineering experience, Strong algorithmic thinking, Knowledge of data structures, Understanding of software design principles, Performance optimization skills, Experience with TypeScript, Experience with React, Experience with Node.js, Experience with SQL databases, Experience across frontend, backend, and cloud environments, Ability to learn new technologies quickly, Fluent English, Strong communication skills 📃 Skills: TypeScript, React, Node.js, SQL, JavaScript, Cloud 🏢 Description: Senior Full Stack Engineer We are looking for a Senior Full Stack Engineer with strong software engineering fundamentals and excellent algorithmic and problem-solving skills . You'll play a key role in designing scalable applications, solving complex technical challenges and driving architectural decisions in a modern product environment. Responsibilities Design, develop and maintain high-performance web applications. Translate complex business requirements into efficient technical solutions. Build scalable frontend and backend services using modern technologies. Contribute to system architecture, code quality and technical improvements. Collaborate with cross-functional teams and take ownership of features from design to deployment. Requirements 5+ years of experience in Full Stack Software Engineering. Strong algorithmic thinking and solid understanding of data structures, software design principles and performance optimization. Experience with TypeScript, React, Node.js and SQL databases. Ability to quickly learn new technologies and solve complex technical problems. Experience working across frontend, backend and cloud environments. Excellent communication skills and fluent English. What We Offer Remote work model with flexible working hours. Opportunity to work with modern technologies and influence technical decisions. High-quality equipment provided. Fast-paced environment with multiple innovative projects and excellent growth opportunities. Collaborative team where ownership, initiative and continuous learning are highly valued.

Technology

Ready4S

Full Stack Developer (Python+Vue)

Senior

Remote

Krakow, Poland

160 - 200 PLN

🏢 Summary: Senior Full-Stack Engineer role focused on building AI-powered products and internal platforms using Python and modern frontend frameworks. The position involves developing cloud-native systems, contributing to agentic AI initiatives, and delivering secure, production-grade solutions handling sensitive data. You will work in agile teams to create end-to-end features across backend, frontend, cloud, and AI components. 🗂️ Requirements: Bachelor’s or Master’s degree in technical field, Minimum 7 years of software development experience, Senior-level experience in large tech environment, Strong backend experience with Python and FastAPI in production, Solid frontend experience with Vue or other modern JavaScript framework, Hands-on experience with AWS, Azure, or GCP, Experience with Docker or Kubernetes, Experience with SQL and NoSQL databases, Experience with messaging queues, Practical experience with AI systems in production, Understanding of agentic AI concepts or architectures, Knowledge of engineering best practices and secure coding 📃 Skills: Python, FastAPI, Django, Vue, React, Angular, Svelte, AWS, Azure, GCP, Docker, Kubernetes, SQL, NoSQL, Pinecone, AzureAISearch, CrewAI, MicrosoftAgentFramework, AWSAgentCore, A2A, MCP 🏢 Description: We’re looking for a Senior Full‑Stack Engineer to help build AI‑powered products and internal platforms used across the company. You’ll join a fast‑moving engineering team where AI accelerates development, improves productivity, and shapes how new solutions are delivered. Security, compliance, and high engineering standards are essential, especially for production systems handling sensitive data. What you’ll do Build end‑to‑end features using Python (FastAPI, Django) and modern frontend frameworks, with a preference for Vue, though React, Angular, or Svelte are also welcome. Develop cloud‑native systems on AWS, Azure, or GCP, working with containers, databases, and messaging systems. Contribute to AI initiatives, including agentic systems, vector search, and prompt‑driven workflows. Work in small, agile squads with the flexibility to move between projects as priorities evolve. Required qualifications Bachelor’s or Master’s degree in a technical field. At least 7 years of software development experience, including senior‑level work in a large tech environment. Strong backend experience with Python and FastAPI, with proven production delivery. Solid frontend experience with Vue or another modern JavaScript framework. Hands‑on experience with cloud platforms, Docker or Kubernetes, SQL and NoSQL databases, and messaging queues. Practical experience working with AI systems or AI‑driven features in production environments. Understanding of agentic AI concepts or hands‑on exposure to agent‑based architectures. Strong grasp of engineering best practices, design patterns, and secure coding. Clear communication skills and the ability to explain technical concepts. Preferred qualifications Experience with vector databases such as Pinecone or Azure AI Search. Knowledge of prompt engineering, context management, and LLM‑driven workflows. Experience with agentic AI frameworks such as CrewAI, Microsoft Agent Framework, or AWS Agent Core. Familiarity with agentic protocols like A2A or MCP. Background in distributed systems and microservices. Experience working in agile teams. Why join You’ll work on real AI products, help shape an evolving agentic ecosystem, and contribute to a modern engineering environment where innovation meets strong security and compliance standards. Your work will directly influence how AI is used across the organization.

Technology

Link Group

Full-Stack Engineer

Senior

Remote

Bialystok, PD, Poland

110 - 129 PLN

🏢 Summary: Senior Fullstack Engineer role focused on building modern, scalable web applications using React and Node.js, with strong emphasis on frontend development. The position covers the full application stack, including backend services, API design, and data management. You will collaborate with cross-functional teams to deliver high-quality, accessible, and high-performance digital products. 🗂️ Requirements: Strong commercial experience with React, Strong commercial experience with Node.js, Experience with React Router, Experience with TanStack Query, Experience integrating Headless CMS (preferably Contentful), Understanding of API design principles, Experience with PostgreSQL, Experience with Redis, Experience with Vitest, Experience with Playwright, Knowledge of WCAG accessibility standards, Experience with performance optimisation, Ability to work across full software development lifecycle 📃 Skills: React, Node.js, TypeScript, Fastify, PostgreSQL, Redis, React Router, TanStack Query, Contentful, Vitest, Playwright, WCAG, SAP Gigya, Salesforce 🏢 Description: Senior Fullstack Engineer (React & Node.js) About the Role We are looking for a Senior Fullstack Engineer to join a product team building modern, scalable web applications and digital experiences. You will work across the entire application stack, from user-facing interfaces to backend services and integrations. The role has a strong focus on frontend engineering while also involving backend development, API design, and data management. You will collaborate closely with product, design, and engineering teams to deliver high-quality, accessible, and performant applications. Responsibilities Develop and maintain modern web applications using React, Node.js, and TypeScript. Build scalable and reusable UI components integrated with a design system. Develop and maintain backend services and APIs using Node.js and Fastify. Integrate applications with CMS platforms and third-party services. Work with PostgreSQL and Redis to support application functionality and performance. Write and maintain automated tests, including unit and end-to-end tests. Ensure high standards of accessibility, performance, and code quality. Participate in architectural discussions and contribute to engineering best practices. Requirements Strong commercial experience in fullstack development using React and Node.js. Solid experience with modern frontend technologies, including React Router and TanStack Query. Experience integrating with Headless CMS platforms, preferably Contentful. Good understanding of API design and backend development principles. Experience with PostgreSQL and Redis. Experience with automated testing frameworks such as Vitest and Playwright. Strong understanding of accessibility standards (WCAG) and performance optimisation. Ability to work across the entire software development lifecycle in a product-oriented environment. Nice to Have Experience with authentication and identity platforms such as SAP Gigya. Experience integrating Salesforce products or loyalty platforms. Experience in highly scalable, customer-facing digital products. Experience working in agile, cross-functional product teams.