Senior Fullstack Developer – JavaScript, Node.js, React, AWS

🏢 Summary: Senior Fullstack Developer role focused on building sustainable crop science solutions in a global agile environment. The position involves developing and supporting business-critical applications, designing technical architectures, and solving identity and account management challenges using modern fullstack technologies. Hybrid work model in Warsaw with opportunities for innovation, mentoring, and collaboration across global teams. 🗂️ Requirements: 5+ years of software development or engineering experience, Strong knowledge of JavaScript runtimes, APIs, and ecosystem, Experience with backend development using Node.js, Proficiency in TypeScript, Strong frontend development skills with React, Experience with AWS services, Ability to design and document technical architecture, Experience working in agile global teams, Excellent English communication skills, Legal right to work in Europe 📃 Skills: JavaScript, Node.js, TypeScript, React, AWS, DynamoDB, Lambda, StepFunctions, Medusa.js, SAP, Salesforce 🏢 Description: Ignite innovation in environmental care — shape sustainable solutions through cutting-edge software engineering. Warsaw-based opportunity with a fully remote workmode! As a Senior Fullstack Developer , you will be working for our client, a global leader in healthcare and agriculture. You will contribute to solving major global challenges by developing innovative crop science solutions that promote sustainability, resilience, and community well-being. This role offers a platform for impactful work and career growth in a dynamic, global environment. Your main responsibilities: Develop and support business-critical solutions within an agile, product-oriented team. Solve organization-wide challenges related to identity and account management. Design and document technical architecture and software solutions across multiple teams. Ensure consistency, quality, and performance of all developed solutions. Evaluate and recommend new technologies to enhance system efficiency and scalability. Build and maintain relationships with key stakeholders and partner organizations. Mentor junior engineers, fostering technical growth and best practices. Continuously enhance your technical skills in a fast-paced environment. You're ideal for this role if you have: 5+ years of experience in software development or engineering. Strong problem-solving skills, proactive attitude, and collaborative mindset. Deep knowledge of JavaScript, including runtimes, APIs, and ecosystem. Extensive experience with backend development using Node.js. Proficiency in TypeScript and writing clean, maintainable code. Strong front-end skills in React, build tools, and performance optimization. Cloud expertise with AWS services, including DynamoDB, Lambda, and Step Functions. Product-oriented mindset, understanding business domains to suggest pragmatic solutions. Excellent English communication skills and experience working in an agile, global team. Willingness to learn, develop, and innovate in a fast-paced environment. It is a strong plus if you have: Knowledge of Medusa.js. Experience with SAP or Salesforce integrations. Language required for the role: Communicative English. Eligibility to work in: 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.

🏢 Summary: Senior Fullstack Developer role focused on building sustainable crop science solutions within a global healthcare and agriculture environment. The position involves designing and delivering business-critical, identity-related systems using modern JavaScript technologies in an agile, product-oriented team. Hybrid work model in Warsaw with strong emphasis on cloud architecture, scalability, and technical leadership. 🗂️ Requirements: 5+ years of software development experience, Strong knowledge of JavaScript ecosystem, Commercial experience with Node.js, Proficiency in TypeScript, Strong experience with React, Experience with AWS services (DynamoDB, Lambda, Step Functions), Experience designing technical architecture, Experience working in agile teams, Fluent English communication skills, Legal right to work in Europe 📃 Skills: JavaScript, Node.js, TypeScript, React, AWS, DynamoDB, Lambda, StepFunctions, APIs, Cloud, Architecture, Agile 🏢 Description: Ignite innovation in environmental care — shape sustainable solutions through cutting-edge software engineering. Warsaw-based opportunity with a hybrid work model (once every two weeks in the office). As a Senior Fullstack Developer , you will be working for our client, a global leader in healthcare and agriculture. You will contribute to solving major global challenges by developing innovative crop science solutions that promote sustainability, resilience, and community well-being. This role offers a platform for impactful work and career growth in a dynamic, global environment. Your main responsibilities: Develop and support business-critical solutions within an agile, product-oriented team. Solve organization-wide challenges related to identity and account management. Design and document technical architecture and software solutions across multiple teams. Ensure consistency, quality, and performance of all developed solutions. Evaluate and recommend new technologies to enhance system efficiency and scalability. Build and maintain relationships with key stakeholders and partner organizations. Mentor junior engineers, fostering technical growth and best practices. Continuously enhance your technical skills in a fast-paced environment. You're ideal for this role if you have: 5+ years of experience in software development or engineering. Strong problem-solving skills, proactive attitude, and collaborative mindset. Deep knowledge of JavaScript, including runtimes, APIs, and ecosystem. Extensive experience with backend development using Node.js. Proficiency in TypeScript and writing clean, maintainable code. Strong front-end skills in React, build tools, and performance optimization. Cloud expertise with AWS services, including DynamoDB, Lambda, and Step Functions. Product-oriented mindset, understanding business domains to suggest pragmatic solutions. Excellent English communication skills and experience working in an agile, global team. Willingness to learn, develop, and innovate in a fast-paced environment. It is a strong plus if you have: Knowledge of Medusa.js. Experience with SAP or Salesforce integrations. Language required for the role: Communicative English. Eligibility to work in: 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.

🏢 Summary: Senior Fullstack JavaScript Developer role focused on building cloud-integrated, data-driven solutions in an agile global team. The position involves designing and developing scalable software, solving identity and account management challenges, and integrating cloud and machine learning capabilities. Remote-friendly role (Warsaw-based) contributing to sustainable, business-critical products. 🗂️ Requirements: 5+ years of software development experience, Strong JavaScript knowledge including runtimes and APIs, Backend development experience with Node.js, Proficiency in TypeScript, Frontend development experience with React, Experience with AWS services (DynamoDB, Lambda, Step Functions), Experience designing technical architecture, Fluent English, Legal right to work in the EU 📃 Skills: JavaScript, TypeScript, Node.js, React, AWS, DynamoDB, Lambda, StepFunctions, REST, APIs, Git, Agile 🏢 Description: Unleash innovation at the intersection of cloud, data, and full-stack development — shape sustainable solutions for a better tomorrow! Warszawa-based opportunity with a remote work model (once every two weeks in the office). As a Senior Fullstack JavaScript Developer – Cloud & Data Solutions , you will be working for our client, a global leader in healthcare and agriculture dedicated to solving major global challenges in the spirit of environmental care. Join a forward-thinking team developing cutting-edge solutions in crop science, contributing to sustainable farming, resilient plants, and thriving communities. Your expertise will drive the development of cloud-integrated software, data analysis tools, and innovative machine learning integrations that foster a sustainable future. Your main responsibilities: Develop and support business-critical software solutions within an agile, global, product-oriented team Solve organization-wide challenges related to identity and account management Design and document technical architecture and software solutions across multiple teams Ensure the technical feasibility, quality, and high performance of all delivered solutions Evaluate and recommend new technologies to enhance efficiency and scalability Build and maintain relationships with key stakeholders and partner organizations Mentor junior engineers, fostering technical growth and innovation Continuously develop your technical skills and career in a fast-paced environment You're ideal for this role if you have: 5+ years of experience in software development or engineering Strong problem-solving skills, proactive attitude, and collaborative mindset Deep knowledge of JavaScript, including runtimes, APIs, and ecosystem Extensive experience with Backend development using Node.js Proficiency in TypeScript, with a track record of writing clean, maintainable code Strong front-end skills with React, build tools, and performance optimization Cloud expertise – working with AWS (DynamoDB, Lambda, Step Functions) Product-oriented mindset – understanding business domains and proposing pragmatic solutions Excellent command of English and experience working in agile, product-driven organizations Ability to collaborate effectively with a global team across time zones Willingness to learn, innovate, and grow in a dynamic environment It is a strong plus if you have: Knowledge of Medusa.js Experience with SAP and Salesforce integration Language required for the role: Fluent in English with excellent communication skills 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 in English or Polish, along with a statement confirming your consent to the processing and storage of your personal data.

🏢 Summary: Senior Fullstack JavaScript Developer role focused on building cloud-integrated and data-driven solutions within a global agile team. The position involves designing scalable architectures, developing business-critical applications, and integrating machine learning components in a cloud environment. The role combines backend, frontend, and AWS cloud expertise to deliver high-performance, sustainable digital products. 🗂️ Requirements: 5+ years of software development experience, Strong knowledge of JavaScript and its ecosystem, Extensive backend experience with Node.js, Proficiency in TypeScript, Strong frontend experience with React, Experience with AWS services (DynamoDB, Lambda, Step Functions), Experience designing technical architecture, Fluent English, Legal right to work in the EU 📃 Skills: JavaScript, TypeScript, Node.js, React, AWS, DynamoDB, Lambda, StepFunctions, Medusa.js, SAP, Salesforce 🏢 Description: Unleash innovation at the intersection of cloud, data, and full-stack development — shape sustainable solutions for a better tomorrow! Warszawa-based opportunity with a remote work model (once every two weeks in the office). As a Senior Fullstack JavaScript Developer – Cloud & Data Solutions , you will be working for our client, a global leader in healthcare and agriculture dedicated to solving major global challenges in the spirit of environmental care. Join a forward-thinking team developing cutting-edge solutions in crop science, contributing to sustainable farming, resilient plants, and thriving communities. Your expertise will drive the development of cloud-integrated software, data analysis tools, and innovative machine learning integrations that foster a sustainable future. Your main responsibilities: Develop and support business-critical software solutions within an agile, global, product-oriented team Solve organization-wide challenges related to identity and account management Design and document technical architecture and software solutions across multiple teams Ensure the technical feasibility, quality, and high performance of all delivered solutions Evaluate and recommend new technologies to enhance efficiency and scalability Build and maintain relationships with key stakeholders and partner organizations Mentor junior engineers, fostering technical growth and innovation Continuously develop your technical skills and career in a fast-paced environment You're ideal for this role if you have: 5+ years of experience in software development or engineering Strong problem-solving skills, proactive attitude, and collaborative mindset Deep knowledge of JavaScript, including runtimes, APIs, and ecosystem Extensive experience with Backend development using Node.js Proficiency in TypeScript, with a track record of writing clean, maintainable code Strong front-end skills with React, build tools, and performance optimization Cloud expertise – working with AWS (DynamoDB, Lambda, Step Functions) Product-oriented mindset – understanding business domains and proposing pragmatic solutions Excellent command of English and experience working in agile, product-driven organizations Ability to collaborate effectively with a global team across time zones Willingness to learn, innovate, and grow in a dynamic environment It is a strong plus if you have: Knowledge of Medusa.js Experience with SAP and Salesforce integration Language required for the role: Fluent in English with excellent communication skills 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 in English or Polish, along with a statement confirming your consent to the processing and storage of your personal data. We offer you: ITDS Business Consultants is involved in many various, innovative and professional IT projects for international companies in the financial industry in Europe. We offer an environment for professional, ambitious, and driven people. The offer includes: ●     Stable and long-term cooperation with very good conditions ●     Enhance your skills and develop your expertise in the financial industry ●     Work on the most strategic projects available in the market ●     Define your career roadmap and develop yourself in the best and fastest possible way by delivering strategic projects for different clients of ITDS over several years ●     Participate in Social Events, training, and work in an international environment ●     Access to attractive Medical Package ●     Access to Multisport Program ●     Access to Pluralsight ●     Flexible hours & remote work Internal job number # 6966 You can report violations in accordance with ITDS’s Whistleblower Procedure available here .

🏢 Summary: Senior Full Stack Developer role in a hybrid model (Kraków) focused on building and maintaining scalable, mission-critical financial applications. The position involves end-to-end development, from analysis to deployment and support, using Java, React, and SQL. You will contribute to high-quality full-stack solutions while ensuring performance, stability, and adherence to best practices. 🗂️ Requirements: Minimum 5 years of full-stack development experience, Proficiency in Java, Proficiency in SQL, Proficiency in React, Working knowledge of UNIX environments, Understanding of HTTP APIs and RESTful services, Experience with end-to-end software development lifecycle, Fluent English, Legal right to work in the European Union 📃 Skills: Java, React, SQL, Kotlin, UNIX, HTTP, REST, DevOps 🏢 Description: Unleash Innovation — Drive Impact as a Senior Full Stack Developer in Kraków! Kraków-based opportunity with hybrid work model (up to 3 days remote). As a Senior Full Stack Developer , you will be working for our client, a leader in Global Markets Technology, focused on delivering robust, scalable solutions that empower financial services worldwide. Join a dynamic team where your expertise will shape mission-critical applications, enhance operational efficiency, and foster digital transformation. Your main responsibilities: Collaborate within a dedicated team of 4–6 developers, taking ownership of all development phases from analysis to deployment and support. Break down business requirements into user stories and deliver iterative enhancements to production. Design, develop, and optimize full-stack solutions using Java, React, and SQL, ensuring high-quality code and adherence to best practices. Identify and address technical debt, balancing new features with system stability and performance. Participate in pair programming and code reviews to foster knowledge sharing and code excellence. Support existing applications post-deployment, ensuring continuous functionality and performance improvements. Follow technology guidelines and constraints, ensuring solutions are scalable, maintainable, and aligned with project standards. You're ideal for this role if you have: At least 5 years of professional experience in full-stack development or related fields. Strong proficiency in Java, SQL, and React; familiarity with Kotlin is a plus. Working knowledge of UNIX environments. Good understanding of HTTP APIs, particularly RESTful services. Demonstrated willingness to learn new programming languages and frameworks. Excellent communication skills in English. It is a strong plus if you have: Experience with DevOps practices or familiarity with other programming languages. Relevant certifications or training related to full-stack development. Language Required for the role: Fluent English (verbal and written). Eligibility to work in 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.

🏢 Summary: Senior Full Stack Developer role focused on supporting, maintaining, and enhancing a live, client-specific software product in a fully remote EU-based setup. The position involves working across backend and frontend layers to improve stability, scalability, usability, and performance. You will troubleshoot issues, implement new features, and ensure continuous product evolution in a mission-critical environment. 🗂️ Requirements: 6+ years Full Stack development experience, Strong backend experience with Python, Strong frontend experience with React, Experience maintaining and improving existing software products, Understanding of databases and cloud environments (preferably Azure), Knowledge of full software development lifecycle, Ability to debug and resolve production issues, Experience working across frontend and backend layers, Fluent English, Legal right to work in the EU 📃 Skills: Python, React, Azure, SQL, Databases, Cloud, Git, REST, JavaScript, HTML, CSS 🏢 Description: Unleash your full potential — elevate a live product by supporting, refining, and evolving real-world solutions! EU-based opportunity with a fully remote work model (5 days/week). As a Senior Full Stack Developer , you will be working for our client, a leading software environment where your expertise directly impacts a live, client-specific solution. You’ll support, enhance, and maintain an established product, ensuring it remains robust, user-friendly, and scalable as new users and needs emerge. This role offers a unique chance to contribute to a mission-critical platform while advancing your career in a dynamic, innovative environment. Your main responsibilities: Support ongoing development and maintenance of an existing software product. Troubleshoot and resolve bugs reported during onboarding and daily usage. Implement UI/UX improvements and new features based on user feedback. Work across backend and frontend layers to ensure seamless functionality. Collaborate with stakeholders to understand issues, prioritize improvements, and deliver practical solutions. Help onboard new users by maintaining platform stability and efficiency. Contribute to continuous code quality, usability, and performance enhancements. You're ideal for this role if you have: 6+ years of experience as a Full Stack Developer / Engineer. Hands-on experience with Python on the backend. Strong experience with React on the frontend. Basic to solid understanding of databases and cloud environments, preferably Azure. Knowledge of the software development lifecycle from both frontend and backend perspectives. Experience maintaining and improving existing products rather than only building from scratch. Ability to identify issues, debug effectively, and deliver clean, practical fixes. Strong problem-solving skills with a product-minded approach. 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 environments. Enthusiasm for AI and understanding of how it works. Exposure to product support, user onboarding, or post-launch optimization. Familiarity with feature request handling and iterative product improvements. Knowledge of cloud-based architecture in Azure. Language required for this 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.

🏢 Summary: Senior Full Stack Developer role focused on maintaining, enhancing, and scaling an existing live product in a fully remote EU-based setup. The position involves working across backend and frontend layers to improve functionality, fix issues, and implement new features based on user feedback. You will contribute to product stability, performance, and continuous improvement in a mission-critical environment. 🗂️ Requirements: 6+ years experience as Full Stack Developer, Strong backend experience with Python, Strong frontend experience with React, Understanding of databases, Experience with cloud environments, preferably Azure, Knowledge of full software development lifecycle, Experience maintaining and improving existing products, Strong debugging and troubleshooting skills, Fluent English, Legal right to work in the EU 📃 Skills: Python, React, Azure, SQL, Cloud, Git, REST, JavaScript, HTML, CSS 🏢 Description: Unleash your full potential — elevate a live product by supporting, refining, and evolving real-world solutions! EU-based opportunity with a fully remote work model (5 days/week). As a Senior Full Stack Developer , you will be working for our client, a leading software environment where your expertise directly impacts a live, client-specific solution. You’ll support, enhance, and maintain an established product, ensuring it remains robust, user-friendly, and scalable as new users and needs emerge. This role offers a unique chance to contribute to a mission-critical platform while advancing your career in a dynamic, innovative environment. Your main responsibilities: Support ongoing development and maintenance of an existing software product. Troubleshoot and resolve bugs reported during onboarding and daily usage. Implement UI/UX improvements and new features based on user feedback. Work across backend and frontend layers to ensure seamless functionality. Collaborate with stakeholders to understand issues, prioritize improvements, and deliver practical solutions. Help onboard new users by maintaining platform stability and efficiency. Contribute to continuous code quality, usability, and performance enhancements. You're ideal for this role if you have: 6+ years of experience as a Full Stack Developer / Engineer. Hands-on experience with Python on the backend. Strong experience with React on the frontend. Basic to solid understanding of databases and cloud environments, preferably Azure. Knowledge of the software development lifecycle from both frontend and backend perspectives. Experience maintaining and improving existing products rather than only building from scratch. Ability to identify issues, debug effectively, and deliver clean, practical fixes. Strong problem-solving skills with a product-minded approach. 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 environments. Enthusiasm for AI and understanding of how it works. Exposure to product support, user onboarding, or post-launch optimization. Familiarity with feature request handling and iterative product improvements. Knowledge of cloud-based architecture in Azure. Language required for this 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.

🏢 Summary: Senior Fullstack Developer role focused on designing and building secure, scalable microservices and modern SPA applications in an international environment. The position is hands-on, backend-oriented with active frontend development, emphasizing high code quality, event-driven architecture, and strong security standards. The role includes architecture contribution, CI/CD implementation, and maintaining large-scale systems. 🗂️ Requirements: Strong fullstack development experience (backend and frontend), Senior-level hands-on coding experience, Expertise in Java 17–21, Experience with Spring Boot 3.x microservices, Experience with Kafka and event-driven architecture, Strong SQL knowledge (Oracle), Experience with Redis, Experience with Angular SPA development, Strong TypeScript knowledge, Knowledge of Node.js, Understanding of DDD, Knowledge of web security principles, Experience with OIDC and OAuth2, Experience with CI/CD pipelines, Experience with large-scale applications, Fluent English, Availability to work from Warsaw office 2x/week 📃 Skills: Java, SpringBoot, Kafka, SQL, Oracle, Redis, DDD, Node.js, TypeScript, Angular, Webpack, OIDC, OAuth2, OWASP, Git, GitLab, Jenkins, Maven, Docker, Kubernetes, IntelliJ, VSCode, Jira, Confluence, Python, CICD 🏢 Description: Mission & Responsibilities As a Senior Fullstack Developer, you will design, build, and maintain modern, secure, and scalable applications that support critical business processes. You will work hands-on across both backend and frontend, contributing directly to software development rather than people management. Your mission is to ensure service continuity, high code quality, and alignment with business and security standards, while actively collaborating with international stakeholders in an English-speaking environment. Key Responsibilities Design, develop, and maintain fullstack applications (backend-focused with modern frontend) Build secure, scalable, maintainable, and testable software Develop Java-based microservices using Spring Boot Contribute to Single Page Applications (SPA) development Collaborate with business and technical stakeholders on requirements Participate in architecture design and technical decisions Integrate systems using event-driven architectures (Kafka) Optimize and maintain existing codebases Implement automated testing and CI/CD pipelines Ensure application security (authentication, identity management) Maintain technical documentation Share best practices within developer communities Continuously improve skills and stay up to date with modern technologies Requirements Backend & Architecture Java 17–21 (modern Java, no legacy) Spring Boot 3.x (microservices) Kafka (event-driven systems) SQL (Oracle) Redis (experience or strong understanding) Domain Driven Design (DDD) Frontend Node.js TypeScript Angular (SPA development) Strong knowledge of Angular best practices Webpack (nice to have) Security Strong web security knowledge OIDC & OAuth2 Identity management platforms (nice to have) OWASP awareness (certifications are a plus) DevOps & Tools Git CI/CD: GitLab CI (Jenkins nice to have) Maven (nice to have) Docker & Kubernetes (nice to have) IntelliJ, VS Code Jira & Confluence Additional Python (nice to have) AI-based coding tools (nice to have) Ways of Working Agile (Scrum, Kanban) DevOps mindset Distributed, international collaboration Soft Skills Strong teamwork and collaboration Analytical and problem-solving mindset Independent work on complex topics Adaptability and results-driven attitude Continuous learning mindset Candidate Profile (Must-have) Strong fullstack experience (backend-only profiles will not be considered) Senior-level hands-on developer (not a manager or lead) Experience with large-scale applications Excellent English communication skills Willingness to work from the office in Warsaw 2x/week If you're a hands-on engineer who enjoys building high-quality systems and working in an international environment — we’d love to hear from you.

🏢 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.

🏢 Summary: Senior Fullstack Engineer role focused on building scalable enterprise applications using .NET and React in a hybrid Krakow-based environment. The position involves full software lifecycle ownership, UI improvements, DevOps automation, architecture contributions, and customer-facing solution delivery. 🗂️ Requirements: 7+ years of experience in .NET application development, Experience with React frontend development, Proficiency in C#, Experience with Web API development, Advanced SQL Server and T-SQL skills, Understanding of SDLC processes, Experience with DevOps practices, Fluent English, Legal right to work in the European Union 📃 Skills: .NET, React, C#, WebAPI, SQL, SQLServer, TSQL, DevOps, SDLC, Docker, Kubernetes 🏢 Description: Unleash innovation — shape the future of enterprise applications. Krakow-based opportunity with hybrid work model. As a Senior Fullstack Engineer – .NET and React Development , you will be working for our client, a leader in enterprise software solutions, dedicated to delivering robust, scalable, and innovative digital tools. Your expertise will drive the development of cutting-edge applications that empower businesses worldwide, supporting their digital transformation journeys. Your main responsibilities: Implement solutions following best Design Patterns to ensure maintainability and scalability Analyze requirements to fully understand solutions and recommend improvements for optimal performance Lead UI enhancements and improvements to boost user experience and application stability Actively participate in DevOps automation and improve the CI/CD lifecycle processes Manage changes through the entire service management lifecycle, ensuring seamless updates Contribute to software architecture design and technical decision-making Develop and prototype applications to validate concepts and designs Provide exceptional customer support by addressing and resolving issues promptly Communicate effectively with clients to understand needs and deliver tailored solutions You're ideal for this role if you have: A minimum of 7 years of professional experience in production application development within .NET ecosystems, including front-end (preferably React) and DevOps practices Proficiency in C# and Web API development, with a focus on scalable, secure backend services Strong hands-on experience with React, building dynamic, responsive web applications Advanced SQL skills, particularly with SQL Server, including T-SQL scripting, query optimization, and performance tuning Solid understanding of the SDLC, from requirement gathering to deployment and maintenance Exceptional problem-solving abilities and an eye for detail to ensure high-quality deliverables It is a strong plus if you have: (optional) Certifications in cloud or DevOps tools Experience with containerization (e.g., Docker, Kubernetes) Language Required for the role: Fluent English (written and spoken) 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.