May 27, 2026
Principal Fullstack Engineer (React + Node.js)
Senior • Remote
170 - 220 PLN
Warsaw, Poland
Craftware is a technology company of over 500 experts, empowering large organizations to solve complex business challenges with modern IT solutions - from sales systems and automation to data platforms and AI. We operate where technology must be reliable, secure, and scalable. We deliver end-to-end projects: from analysis and architecture through implementation to development and maintenance. We are a trusted partner of industry leaders such as Salesforce, Veeva, UiPath, and Databricks.
Model: remote
Employment type: full-time
Position Context:
We are looking for a Principal Fullstack Engineer with extensive experience in web development (approx. 8–10+ years) who will play a key role in designing and building modern web portals powered by a headless CMS architecture.
This role combines deep technical ownership, system architecture design, and close collaboration with business stakeholders in an international enterprise environment.
About the project:
You will be part of a team responsible for developing and migrating large-scale web portals built on a headless CMS (Contentful) and a modern content-as-a-service architecture.
The project includes:
migration of existing portals to a new architecture
development of next-generation web applications
improving performance, scalability, and platform stability
working in a complex enterprise environment with multiple stakeholders
Responsibilities:
Architecture & Technology
design and develop scalable web systems using React and Node.js
define architectural direction across frontend, backend, and integrations
ensure system quality in terms of performance, security, and observability
make key decisions regarding refactoring and technical debt
Technical Leadership (IC, not management)
provide technical leadership across teams and initiatives
mentor senior and mid-level engineers
define engineering standards and best practices
support product decisions from a technical perspective
Stakeholder & business collaboration
work closely with business and product stakeholders
identify and communicate technical risks
influence roadmap and technical priorities
translate technical decisions into business impact
Operations & ownership
participate in resolving critical production issues
stabilize and improve complex enterprise systems
proactively prevent systemic issues
Requirements:
8–10+ years of experience in web software engineering
strong expertise in React.js and Node.js
experience building full-stack applications and APIs
solid understanding of system architecture (e.g. microservices, cloud-native systems)
experience with headless CMS (e.g. Contentful)
ability to design systems and make architectural decisions
experience with Azure or other cloud platforms
strong communication skills with business stakeholders
-
experience working in Agile / Scrum environments
Nice to have
experience with Remix.js or modern full-stack frameworks
experience in large-scale migrations or platform transformations
experience in enterprise or regulated environments
experience working with distributed teams
Employment conditions:
B2B contract,
Daily support from team leaders,
Dedicated certification budget,
Assistance in defining and support in your development path,
Benefits package,
Integration trips/events.
Similar jobs you might like
Technology
Craftware
Senior Java Developer (DevOps)
Senior
Remote
Warsaw, Poland
125 - 170 PLN
🏢 Summary: Full-time remote Backend Java Developer role focused on designing, developing, and maintaining scalable backend services in an Agile environment. The position involves end-to-end ownership of backend components, CI/CD and cloud deployments, performance optimization, and close collaboration with cross-functional teams. The role also includes mentoring and driving technical improvements across the backend stack. 🗂️ Requirements: 5+ years of experience with Java (11–17+), Strong experience with Spring Boot, Experience in backend development with Angular collaboration, Experience with PostgreSQL, Experience with Hibernate, Experience with Liquibase, Experience with Maven, Experience with Redis, Experience with SAML authentication, Experience with CI/CD pipelines (GitLab CI or GitHub Actions), Experience with Docker and Heroku deployments, Experience with code quality tools (e.g., SonarQube), Experience with testing, debugging, and production support, Knowledge of design patterns and clean code principles, Proficiency with Git workflows, Ability to mentor and conduct code reviews 📃 Skills: Java, Spring, SpringBoot, PostgreSQL, Hibernate, Liquibase, Maven, Redis, SAML, CI/CD, GitLab, GitHub, Docker, Heroku, SonarQube, Git, Angular 🏢 Description: Craftware is a technology company of over 500 experts, empowering large organizations to solve complex business challenges with modern IT solutions - from sales systems and automation to data platforms and AI. We operate where technology must be reliable, secure, and scalable. We deliver end-to-end projects: from analysis and architecture through implementation to development and maintenance. We are a trusted partner of industry leaders such as Salesforce, Veeva, UiPath, and Databricks. Model: remote Employment type: full-time Responsibilities: Design, develop, and maintain backend services Participate in refinement sessions, proposing technical approaches and identifying risks Collaborate with Business Analyst, Frontend Developers, QA, and UX Take ownership of backend components and deliver features end-to-end Contribute to sprint planning, estimation, and Agile delivery Ensure code quality (reviews, testing, best practices) Support CI/CD, Docker, and Heroku deployments Monitor, debug, and optimize performance Mentor team members and contribute to technical improvements Requirements: 5+ years Java (11–17+) with strong Spring Boot experience Solid backend development and collaboration with Angular teams PostgreSQL Hibernate, Liquibase, Maven Redis (caching/session management) SAML-based authentication CI/CD (GitLab CI or GitHub Actions) Docker & Heroku deployments Code quality tools (e.g., SonarQube) Experience with testing, debugging, and production support Clean code, design patterns, and Git workflows Ability to mentor, review code, and drive improvements Nice to have: Performance optimization & monitoring tools Experience with AI-assisted coding tools (e.g., Copilot) Experience with enterprise/HR systems System modernization or migration projects DevOps / Platform Experience CI/CD pipeline design Docker (multi-stage builds, Compose) Environment management (dev → prod) Heroku configuration and deployment Security practices (OWASP) Employment conditions: B2B contract, Daily support from team leaders, Dedicated certification budget, Assistance in defining and support in your development path, Benefits package, Integration trips/events.
Technology
Craftware
Java Developer (DevOps)
Senior
Remote
Warsaw, Poland
130 - 135 PLN
🏢 Summary: Full-time remote Backend Java Developer role focused on designing, developing, and maintaining scalable backend services in an Agile environment. The position involves end-to-end feature delivery, collaboration with cross-functional teams, and ownership of CI/CD, containerization, and cloud deployments. Emphasis is placed on code quality, performance optimization, and secure, reliable system architecture. 🗂️ Requirements: 3+ years Java (11–17+), Strong Spring Boot experience, Backend development experience, Experience collaborating with Angular teams, PostgreSQL, Hibernate, Liquibase, Maven, Redis, SAML authentication, CI/CD pipelines (GitLab CI or GitHub Actions), Docker, Heroku deployments, Code quality tools (e.g., SonarQube), Testing and debugging experience, Production support experience, Clean code and design patterns, Git workflows, Ability to mentor and conduct code reviews 📃 Skills: Java, Spring, SpringBoot, PostgreSQL, Hibernate, Liquibase, Maven, Redis, SAML, CI/CD, GitLab, GitHub, Docker, Heroku, SonarQube, Git, Angular 🏢 Description: Craftware is a technology company of over 500 experts, empowering large organizations to solve complex business challenges with modern IT solutions - from sales systems and automation to data platforms and AI. We operate where technology must be reliable, secure, and scalable. We deliver end-to-end projects: from analysis and architecture through implementation to development and maintenance. We are a trusted partner of industry leaders such as Salesforce, Veeva, UiPath, and Databricks. Model: remote Employment type: full-time Responsibilities: Design, develop, and maintain backend services Participate in refinement sessions, proposing technical approaches and identifying risks Collaborate with Business Analyst, Frontend Developers, QA, and UX Take ownership of backend components and deliver features end-to-end Contribute to sprint planning, estimation, and Agile delivery Ensure code quality (reviews, testing, best practices) Support CI/CD, Docker, and Heroku deployments Monitor, debug, and optimize performance Mentor team members and contribute to technical improvements Requirements: 3+ years Java (11–17+) with strong Spring Boot experience Solid backend development and collaboration with Angular teams PostgreSQL Hibernate, Liquibase, Maven Redis (caching/session management) SAML-based authentication CI/CD (GitLab CI or GitHub Actions) Docker & Heroku deployments Code quality tools (e.g., SonarQube) Experience with testing, debugging, and production support Clean code, design patterns, and Git workflows Ability to mentor, review code, and drive improvements Nice to have: Performance optimization & monitoring tools Experience with AI-assisted coding tools (e.g., Copilot) Experience with enterprise/HR systems System modernization or migration projects DevOps / Platform Experience CI/CD pipeline design Docker (multi-stage builds, Compose) Environment management (dev → prod) Heroku configuration and deployment Security practices (OWASP) Employment conditions: B2B contract, Daily support from team leaders, Dedicated certification budget, Assistance in defining and support in your development path, Benefits package, Integration trips/events.
Technology
Craftware
Integration Developer (Node.js / AWS)
Senior
Remote
Warsaw, Poland
150 - 200 PLN
🏢 Summary: Full-time remote role for an experienced Node.js developer focused on designing and maintaining reliable, scalable system integrations in distributed, serverless AWS environments. The position involves analyzing complex data flows, implementing API- and message-based integrations, and ensuring fault-tolerant communication between internal and external systems. The role combines hands-on development with technical analysis and integration architecture responsibilities. 🗂️ Requirements: 4+ years of experience with Node.js (server-side JavaScript), 2+ years of experience in system and data integration (analysis, transformation, validation), 2+ years of experience in REST API design and implementation, 1+ year of experience with distributed systems (async patterns, fault tolerance, scalability, replication), Experience with AWS serverless services: Lambda, SQS, CloudWatch, S3, Experience with GitHub including branching and GitHub Actions (CI/CD), Basic Linux CLI knowledge, Shell scripting skills, English proficiency (written and spoken) 📃 Skills: Node.js, JavaScript, REST, API, AWS, Lambda, SQS, CloudWatch, S3, GitHub, CI/CD, Linux, Bash, DistributedSystems, Serverless 🏢 Description: Craftware is a technology company of over 500 experts, empowering large organizations to solve complex business challenges with modern IT solutions - from sales systems and automation to data platforms and AI. We operate where technology must be reliable, secure, and scalable. We deliver end-to-end projects: from analysis and architecture through implementation to development and maintenance. We are a trusted partner of industry leaders such as Salesforce, Veeva, UiPath, and Databricks. Model: remote Employment type: full-time About the role We're looking for an experienced developer who doesn't just implement solutions — but understands the broader business and system context behind them. If you enjoy untangling complex problems, tracing data flows, and building reliable distributed systems, this role is built for you. Who we're looking for Someone who can navigate ambiguity, ask the right questions, and translate complex integration requirements into practical solutions. A developer with an analytical, detective-like mindset — comfortable investigating system behaviors, uncovering dependencies, and making sound technical decisions based on evidence. What you'll do Design, develop, and maintain integrations between internal and external systems Collaborate with internal stakeholders and external partners to gather, clarify, and refine business and technical requirements Lead or participate in technical meetings and workshops with cross-functional teams and third-party organizations Analyze existing system landscapes, message flows, and interface behaviors to identify integration needs Produce clear technical documentation: integration specs, interface contracts, data mappings, and operational guidelines Implement server-side integration logic using message-based and API-based communication patterns Develop and maintain solutions in distributed, asynchronous architectures with a focus on reliability and fault tolerance Validate, transform, and analyze data exchanged between systems for accuracy, consistency, and compliance Monitor, troubleshoot, and support integration processes in production environments Identify inefficiencies and risks in current solutions and recommend improved architectural patterns Technical requirements 4+ years of experience in Node.js (server-side JavaScript) 2+ years of experience in system/data integration (analysis, transformation, validation) 2+ years of experience in REST API design and implementation 1+ year working with distributed systems (async patterns, fault tolerance, scalability, replication) AWS serverless — must-have: Lambda, SQS, CloudWatch, S3 GitHub — branching, GitHub Actions (CI/CD), working with issues/tickets Basic Linux CLI and shell scripting Good written and spoken English Nice to have: Terraform / Infrastructure-as-code for AWS AWS: DynamoDB, DocumentDB, streaming services Employment conditions: B2B contract, Daily support from team leaders, Dedicated certification budget, Assistance in defining and support in your development path, Benefits package, Integration trips/events.
Technology
Craftware
Fullstack Developer (Python+TypeScript)
Senior
Remote
Warsaw, Poland
160 - 180 PLN
🏢 Summary: Part-time remote Senior Software Engineer role focused on building and advancing data analysis tools, combining strong frontend and backend expertise. The position involves leading technical decisions, developing scalable scientific software solutions, and collaborating with distributed Agile teams. The role emphasizes high-quality engineering practices and cloud-based development. 🗂️ Requirements: 5+ years of experience developing data analysis tools, Experience working in Agile self-organized teams, Strong frontend development experience with TypeScript and React, Proficiency in Python, Experience with Django, Experience with Celery, Experience designing REST or GraphQL APIs, Experience with Git-based source control, Experience with relational or NoSQL databases, Solid testing experience with pytest, Experience with AWS, Bachelor’s degree in Bioinformatics, Computer Science, or related field 📃 Skills: TypeScript, React, Python, Django, Celery, REST, GraphQL, GitHub, PostgreSQL, MongoDB, pytest, Playwright, AWS, Agile 🏢 Description: Craftware is a technology company of over 500 experts, empowering large organizations to solve complex business challenges with modern IT solutions – from sales systems and automation to data platforms and AI. We operate where technology must be reliable, secure, and scalable. We deliver end-to-end projects: from analysis and architecture through implementation to development and maintenance. We are a trusted partner of industry leaders such as Salesforce, Veeva, UiPath, and Databricks. Model: remote Employment type: part-time Responsibilities: Provide strong technical leadership with a clear point of view, consistently applying best practices in software engineering (including abstraction, testing, usability, and version control) to build sustainable and reusable solutions. Collaborate pragmatically with cross-functional teams to solve complex scientific software engineering challenges related to quantifying test article effects. Work closely with both local and distributed (offshore) engineering teams to support and advance software development initiatives. Requirements: 5+ years of experience developing data analysis tools (final seniority level will depend on experience and other factors). Experience working iteratively within self-organized Agile teams. Strong frontend development skills, particularly with TypeScript and React. Proficiency in Python, including frameworks such as Django and Celery. Experience designing and working with REST and/or GraphQL APIs. Familiarity with source code management tools (e.g., GitHub). Experience with relational and/or NoSQL databases (e.g., PostgreSQL, MongoDB). Solid testing practices, including experience with pytest; end-to-end testing (e.g., Playwright) is a plus. Experience working with AWS. Biological domain knowledge and basic data analysis skills are a plus, but not required. Bachelor’s degree or higher in Bioinformatics, Computer Science, or a related field. Employment conditions: B2B contract, Daily support from team leaders, Dedicated certification budget, Assistance in defining and support in your development path, Benefits package, Integration trips/events.
Technology
Craftware
Salesforce DevOps Specialist
Senior
Remote
Warsaw, Poland
120 - 150 PLN
🏢 Summary: Full-time remote DevOps Engineer role focused on managing and optimizing Salesforce release processes and CI/CD pipelines. The position involves implementing DevOps best practices, automating deployments, and supporting development and QA teams in Salesforce environments. The role centers on ensuring reliable, secure, and scalable Salesforce application lifecycle management. 🗂️ Requirements: 4+ years of experience in DevOps or similar role, Experience with Git version control and conflict management, Experience building and maintaining CI/CD pipelines, Experience with Jenkins and GitHub Actions, Experience managing Salesforce release processes and lifecycle, Knowledge of Salesforce packages (unlocked packages), Experience with Salesforce DX tools, Experience implementing static code analysis (e.g., SonarQube), Knowledge of backup and restore processes, Experience with environment monitoring tools, Experience optimizing and automating environments, Fluent English 📃 Skills: Salesforce, Git, Jenkins, GitHub, GitLab, CI/CD, SonarQube, SalesforceDX, Veeva 🏢 Description: Craftware is a technology company of over 500 experts, empowering large organizations to solve complex business challenges with modern IT solutions - from sales systems and automation to data platforms and AI. We operate where technology must be reliable, secure, and scalable. We deliver end-to-end projects: from analysis and architecture through implementation to development and maintenance. We are a trusted partner of industry leaders such as Salesforce, Veeva, UiPath, and Databricks. Model: remote Employment type: full-time Responsibilities: Creating, improving, and maintaining release processes and deployment strategies in Salesforce environments. Creating, improving, and maintaining CI/CD pipelines (Jenkins, GitHub Actions, GitLab). Implementing DevOps and CI/CD best practices in Salesforce projects. Collaborating with developers to ensure adherence to DevOps procedures and optimize processes. Managing version control processes, backups, sandboxes, and Salesforce backup/restore tools. Implementing static code analysis in CI/CD processes and configuring tools such as SonarQube. Optimizing DevOps processes and tools. Knowledge of Salesforce packages (unlocked packages). Experience with Salesforce environment monitoring tools. Creating and maintaining DevOps documentation (release processes, CI/CD configuration, environment management). Supporting development and QA teams in resolving technical issues. Requirements: 4+ years of experience in a similar role. Knowledge of the Git version control system and experience in managing conflicts within repositories. Experience in building and maintaining CI/CD pipelines using tools such as Jenkins and GitHub Actions. Practical knowledge of CI/CD tools and processes, as well as experience with Salesforce packages (unlocked packages). Experience in managing and automating release processes and the Salesforce application lifecycle. Knowledge of backup and restore tools and processes. Experience in implementing static code analysis (e.g., SonarQube). Knowledge of Salesforce development lifecycle models and Salesforce DX tools. Knowledge of tools for monitoring and analyzing environment performance. Strong communication skills due to frequent interactions with business stakeholders. Experience in building and continuously optimizing environments. Fluent English proficiency (working in an international environment). Nice to have: Experience working in a Veeva environment. Experience in managing a team responsible for DevOps and release management. Employment conditions: B2B contract, Daily support from team leaders, Dedicated certification budget, Assistance in defining and support in your development path, Benefits package, Integration trips/events.
Technology
Craftware
Senior QA Engineer
Senior
Remote
Warsaw, Poland
80 - 110 PLN
🏢 Summary: Full-time remote role focused on quality assurance for enterprise-grade web applications, including complex workflows, integrations, and regulatory compliance. The position involves quality process validation, risk analysis, eQMS supervision, and collaboration across departments to ensure high standards in production and development. The role also supports CAPA activities, audits, and continuous process improvement in regulated environments. 🗂️ Requirements: Experience testing enterprise-grade web applications, Experience with complex workflows and data validation, Experience with cross-functional system integrations, Internationalization and localization testing experience, Communicative English (spoken and written), Ability to manage CAPA, complaints, and post-audit activities, Experience working with Quality Management Systems (eQMS), Understanding of regulatory requirements and quality standards 📃 Skills: Playwright, Cypress, SQL, API, Salesforce, eQMS, EHR, CRM 🏢 Description: Craftware is a technology company of over 500 experts, empowering large organizations to solve complex business challenges with modern IT solutions – from sales systems and automation to data platforms and AI. We operate where technology must be reliable, secure, and scalable. We deliver end-to-end projects: from analysis and architecture through implementation to development and maintenance. We are a trusted partner of industry leaders such as Salesforce, Veeva, UiPath, and Databricks. Model: remote Employment type: full-time Responsibilities: Conducting quality activities such as process validation and risk analysis Overseeing corrective actions (CAPA), complaints, and post-audit activities Collaborating with other departments on data analysis and process improvement Supervising documentation within the Quality Management System (eQMS) Supporting quality across production, product development, and supplier collaboration Providing mentoring and substantive support to junior team members Ensuring compliance with regulatory requirements and quality standards Requirements: Experience testing enterprise-grade web applications, including handling complex workflows, data validation, and cross-functional integrations. Internationalization and localization testing experience, ensuring proper functionality, accurate content, and expected behavior across various countries, regions, and languages. Communicative English (spoken and written). Nice to have: Experience in regulated or healthcare domains and familiarity with EHR/CRM systems. Basic knowledge of test automation tools (such as Playwright or Cypress) and API testing tools. Experience in SQL and integration testing. Knowledge of Salesforce. Employment conditions: B2B contract, Daily support from team leaders, Dedicated certification budget, Assistance in defining and support in your development path, Benefits package, Integration trips/events.
Technology
Craftware
Senior .Net Developer
Senior
Remote
Warsaw, Poland
160 - 180 PLN
🏢 Summary: Remote full-time contract role for a senior technical specialist supporting a Diagnostics Commercial Quote Management team. The position focuses on resolving XSLT production issues, leading migration from XSLT to .NET, integrating AI-generated code into CI/CD pipelines, and providing technical mentorship in a US-hours environment. 🗂️ Requirements: Strong experience with XSLT, Strong experience with .NET, Experience with CI/CD pipeline integration, Ability to support US-hours coverage, Experience resolving production issues, Experience with migration from XSLT to .NET 📃 Skills: XSLT, .NET, CI/CD, GitHub, Copilot, Claude, GDC, CLM 🏢 Description: Craftware is a technology company of over 500 experts, empowering large organizations to solve complex business challenges with modern IT solutions - from sales systems and automation to data platforms and AI. We operate where technology must be reliable, secure, and scalable. We deliver end-to-end projects: from analysis and architecture through implementation to development and maintenance. We are a trusted partner of industry leaders such as Salesforce, Veeva, UiPath, and Databricks. Model: remote Employment type: full-time We are looking for a contractor to backfill a senior technical resource on our Diagnostics Commercial Quote Management team. Responsibilities: US-hours coverage – Leverage US/US-friendly time zone to manage and troubleshoot complex US-specific document outputs XSLT ticket resolution – Directly resolve production XSLT issues while supporting the transition to new standards Migration execution – Lead/support migration from XSLT to .NET, including environment setup and implementation CI/CD pipeline integration – Integrate AI-generated code into CI/CD pipelines, ensuring secure and effective deployment within the Quote Management system (GDC) environment Technical mentorship – Serve as a technical liaison for output-related topics and GDC/CLM-specific questions Requirements: Strong hands-on experience with XSLT and .NET Experience integrating code into CI/CD pipelines Familiarity with AI-assisted development tools (e.g., GitHub Copilot, Claude Code) is a plus
Technology
Craftware
Project Manager (Salesforce)
Senior
Remote
Warsaw, Poland
110 - 160 PLN
🏢 Summary: Full-time remote role leading Salesforce project delivery within a global transformation initiative, ensuring alignment with product roadmap, scope, and timelines. The position coordinates cross-functional teams and oversees end-to-end project execution, risk management, and stakeholder communication. Focused on delivering high-quality Salesforce solutions in complex, large-scale environments. 🗂️ Requirements: Proven experience in Salesforce project management, Experience leading cross-functional teams (developers, QA, business analysts), Strong stakeholder management skills, Experience in project planning and resource coordination, Ability to manage risks, issues, and dependencies, Experience in large-scale or global transformation programs 📃 Skills: Salesforce, ProjectManagement, StakeholderManagement, RiskManagement, ResourcePlanning, QA, BusinessAnalysis 🏢 Description: Craftware is a technology company of over 500 experts, empowering large organizations to solve complex business challenges with modern IT solutions – from sales systems and automation to data platforms and AI. We operate where technology must be reliable, secure, and scalable. We deliver end-to-end projects: from analysis and architecture through implementation to development and maintenance. We are a trusted partner of industry leaders such as Salesforce, Veeva, UiPath, and Databricks. Model: remote Employment type: full-time Responsibilities: Lead Salesforce project delivery within the Galderma One initiative, ensuring alignment with the global product roadmap Coordinate the work of development, QA, and business analysis teams Act as the main point of contact between business stakeholders, product owners, and technical teams to ensure alignment on scope, priorities, and milestones Plan and oversee project schedules, delivery timelines, and resource coordination Monitor progress of development, testing, and analysis activities to ensure timely delivery and quality standards Identify, track, and manage project risks, issues, and dependencies, coordinating mitigation actions when needed Provide regular project status updates and reports, ensuring transparency on progress, risks, and outcomes Requirements: Proven experience in project management within Salesforce environments Experience leading cross-functional teams including developers, QA specialists, and business analysts Strong stakeholder management and communication skills with the ability to align business and technical teams Experience in project planning, resource coordination, and delivery management Ability to identify and manage risks, issues, and dependencies in complex projects Experience working in global or large-scale transformation programs is an advantage Strong organizational, leadership, and problem-solving skills Employment conditions: B2B contract Daily support from team leaders Dedicated certification budget Assistance in defining and support in your development path Benefits package Integration trips/events
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.
Technology
ITDS
Senior Java & React Fullstack Engineer – Software Development
Senior
Hybrid
Krakow, Poland
25,200 - 32,760 PLN
🏢 Summary: Senior Fullstack Engineer role focused on designing and building scalable Java and React applications in a hybrid model. The position involves architecture design, backend and frontend development, DevOps practices, and driving high-quality software delivery across the full SDLC. 🗂️ Requirements: 8+ years of experience in Java application development, Strong proficiency in Java and React, Experience in Web API development, Experience building scalable backend services, Strong SQL skills, Experience with PostgreSQL, Experience with T-SQL scripting, Experience in query optimization and performance tuning, Experience with CI/CD pipelines, Strong knowledge of SDLC 📃 Skills: Java, React, SQL, PostgreSQL, T-SQL, CI/CD, DevOps, SDLC, WebAPI, REST, DesignPatterns, UX 🏢 Description: Empower innovation at the forefront of software development — shape scalable solutions that transform user experiences! Krakow-based opportunity with hybrid work model (up to 3 remote days per week). As a Senior Java & React Fullstack Engineer – Software Development , you will be working for our client, a leading technology company dedicated to delivering cutting-edge digital solutions. You’ll contribute to designing and building robust applications that enhance customer engagement and operational efficiency, fueling digital transformation and innovation. Your main responsibilities: Participate in software architecture design to ensure scalable, secure, and high-quality systems. Lead UI improvements and implement solutions to elevate UX and application stability. Develop according to best practices and Design Patterns to produce maintainable and efficient code. Analyze requirements thoroughly and recommend enhancements for optimal solutions. Create clear documentation to support ongoing development and maintenance. Develop and validate application prototypes to test concepts and user interactions. Manage changes throughout the Service Management lifecycle, supporting automation and continuous improvement initiatives. Provide exceptional customer support by promptly addressing and resolving technical issues. Communicate effectively to understand customer needs and deliver tailored solutions. You're ideal for this role if you have: 8+ years of professional experience in Java application development, including front-end (preferably React). Strong proficiency in Java, Web API development, and building scalable backend services. Solid SQL skills with PostgreSQL, including T-SQL scripting, query optimization, and performance tuning. Experience with DevOps practices such as CI/CD pipelines. Extensive knowledge of the SDLC, from requirements gathering to deployment and maintenance. Exceptional problem-solving skills and keen attention to detail to ensure high-quality deliverables and resolve complex issues efficiently. It is a strong plus if you have: (optional) Certifications in Java, React, or DevOps. Experience with cloud platforms such as AWS or Azure. Language Required for the role: Fluent English proficiency. Eligibility to work on this 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.