Front-end Developer with Java skills ( 1-month project)

🏢 Summary: 100% remote B2B contract for a senior Full Stack Developer to deliver and maintain enterprise applications, focusing on urgent project phases through July 2026. The role requires independent ownership of a client’s finance module and rapid delivery of high-quality, scalable, and secure solutions. Work includes both front-end and back-end development in a microservices-based architecture. 🗂️ Requirements: 10+ years of commercial experience, Strong experience in Java development, Strong experience with Spring Boot, Experience with microservices architecture, Experience with React.js, Full-stack development experience, Experience with REST APIs, Knowledge of integration patterns, Experience with cloud-ready applications, Ability to independently handle finance module 📃 Skills: Java, SpringBoot, Microservices, React, REST, APIs, Cloud, Integration, Fullstack 🏢 Description: 100% remote B2B: 180-190 zł/h netto + VAT Contract till end of July 2026 (chance of extension) Experience Level: 10+ years of experience Must be able to work independently and deliver quickly Must be able to independently handle the clients finance module Core Responsibilities: Develop and maintain both front-end and back-end components of enterprise applications Work on urgent deliverables for Phase 1 and potentially Phase 2 Collaborate with internal teams Ensure high-quality, scalable, and secure solutions within tight timelines Technical Skills Required: Java Spring Boot (including microservices architecture) React.js (front-end development) Strong understanding of full stack development principles Experience with REST APIs , integration patterns , and cloud-ready applications Familiarity with CI/CD pipelines , containerisation (Docker/Kubernetes) is a plus Soft Skills: Ability to work independently with minimal supervision Strong problem-solving and troubleshooting skills Excellent communication and collaboration skills What we offer: 100% remote Multisport card Private heatlhcare Life insurance

🏢 Summary: Senior Frontend Developer role focused on building and leading high-performance frontend applications for self-serve advertising platforms in the AdTech domain. The project involves developing campaign management flows, pricing logic, and integrating programmatic components using modern JavaScript frameworks. Fully remote B2B contract for 6 months with possible extensions. 🗂️ Requirements: Proficiency in Nuxt (Vue 3), Strong TypeScript knowledge including Generics and Interfaces, Experience with Pinia state management, Knowledge of PrimeVue 4, Knowledge of Tailwind CSS, Familiarity with AJV or Zod validation libraries, Experience with dayjs and decimal.js, Experience with SSP/DSP or programmatic integrations, Experience with domain-driven architecture, Performance optimization skills 📃 Skills: Nuxt, Vue, TypeScript, Pinia, PrimeVue, Tailwind, AJV, Zod, dayjs, decimal.js, SSP, DSP, JavaScript, ESLint 🏢 Description: 🌍Work mode : remote. 💰 Rate: 140 -160 PLN/h on B2B. ⏰ Start : ASAP/ 1 msc. ⏳ Project length : 6 months + extensions. 📕Project language : English. ⚙️ Industry : AdTech. 💼 Workload : Full time. ⚙️ Recruitment process -1 technical interview. 💻 Equipment : work on own equipment. Summary: The role of the Senior Frontend Developer focuses on leading the development of high-performance frontend applications within the Ad-Tech domain , leveraging modern JavaScript frameworks . Main Responsibilities: Develop and maintain self-serve advertising platforms. Implement campaign management & booking flows. Actively contribute to pricing logic & financial calculations. Integrate SSP/DSP or programmatic components. Create and manage reporting & validation-heavy interfaces. Key Requirements: Proficient in Nuxt (Vue 3) . Strong command of TypeScript , including Generics and Interfaces. Experience with Pinia for state management. Knowledge of PrimeVue 4 and Tailwind CSS. Familiarity with AJV / Zod validation libraries. Skillful in dayjs & decimal.js . Experience with domain-driven architecture and performance optimization. Nice to Have: Experience with Nuxt Layers and modular architecture. Familiarity with the Mapper pattern (DTO → Domain). Experience with ESLint 9. Other Details: Work Environment: Remote position with significant flexibility in working hours. Industry: Engaging in a dynamic Ad-Tech landscape.

🏢 Summary: Long-term remote B2B contract for a technical leader responsible for guiding a development team in building and maintaining scalable applications within an agile environment. The role combines hands-on .NET development with strategic oversight, technical analysis, and quality management. Focus is on delivering robust, cloud-oriented solutions and improving application delivery speed. 🗂️ Requirements: Proficiency in .NET and C#, Experience in full-stack development, Experience with front-end technologies, Experience with document-based databases, Knowledge of event-based messaging frameworks, Experience with cloud services, Experience with containerization, Ability to lead development team, Experience in building scalable systems 📃 Skills: .NET, C#, Angular, MongoDB, Cloud, Docker, Messaging, SQL 🏢 Description: Work model: 100% remote Start date: 30.06.2026 Rate: 160-180 PLN/h netto + VAT Contract : B2B, long-term cooperation (12-month contract up front + extensions) Recruitment process : 2 stages, including a technical test estimated to take 2-4 hours. Summary: The role focuses on leading the development team to create new solutions and maintain systems within an agile environment, emphasizing the importance of robust applications and strategic direction. Main Responsibilities: Lead the development team in creating and maintaining applications. Adopt wider technology practices and address the speed of new application delivery. Engage in hands-on development while guiding the strategic direction of projects. Collaborate with teams to gather specifications and perform technical analysis. Navigate complex systems and ensure they are built to scale. Manage developer quality and capacity amidst organizational constraints. Key Requirements: Proficient in .NET and C#. Experience with full-stack development, including front-end technologies. Familiarity with document-based databases. Knowledge of event-based messaging frameworks. Experience with cloud services and containerization. Nice to Have: Prior experience in the banking or financial services sector. Familiarity with Angular or other modern front-end frameworks. Experience with MongoDB or similar environments. Other Details: Environment: .NET, C#, Angular, MongoDB, moving towards cloud solutions. Team Structure: Full Stack Developers working closely with Business Analysts.

🏢 Summary: Technical leadership role focused on driving the development and maintenance of scalable .NET-based applications in an agile environment. The position combines hands-on full-stack development with strategic oversight of architecture, quality, and delivery speed. It involves close collaboration with cross-functional teams to build robust, cloud-oriented solutions. 🗂️ Requirements: Proficiency in .NET and C#, Experience in full-stack development, Knowledge of front-end technologies, Experience with document-based databases, Knowledge of event-based messaging frameworks, Experience with cloud services, Experience with containerization, Ability to design scalable systems, Experience leading development teams 📃 Skills: .NET, C#, Angular, MongoDB, Cloud, Docker, Kubernetes, Microservices, REST, Git 🏢 Description: Work model: 100% remote Start date: 30.06.2026 Rate: 160-180 PLN/h netto + VAT Contract : B2B, long-term cooperation (12-month contract up front + extensions) Recruitment process : 2 stages, including a technical test estimated to take 2-4 hours. Summary: The role focuses on leading the development team to create new solutions and maintain systems within an agile environment, emphasizing the importance of robust applications and strategic direction. Main Responsibilities: Lead the development team in creating and maintaining applications. Adopt wider technology practices and address the speed of new application delivery. Engage in hands-on development while guiding the strategic direction of projects. Collaborate with teams to gather specifications and perform technical analysis. Navigate complex systems and ensure they are built to scale. Manage developer quality and capacity amidst organizational constraints. Key Requirements: Proficient in .NET and C#. Experience with full-stack development, including front-end technologies. Familiarity with document-based databases. Knowledge of event-based messaging frameworks. Experience with cloud services and containerization. Nice to Have: Prior experience in the banking or financial services sector. Familiarity with Angular or other modern front-end frameworks. Experience with MongoDB or similar environments. Other Details: Environment: .NET, C#, Angular, MongoDB, moving towards cloud solutions. Team Structure: Full Stack Developers working closely with Business Analysts.

🏢 Summary: Senior Frontend Developer role focused on building and optimizing high-performance self-serve advertising platforms in the AdTech domain using modern JavaScript frameworks. The position involves implementing campaign management flows, pricing logic, financial calculations, and integrating programmatic components. Fully remote B2B contract for 6 months with possible extension. 🗂️ Requirements: Proficiency in Nuxt (Vue 3), Strong TypeScript knowledge including Generics and Interfaces, Experience with Pinia state management, Knowledge of PrimeVue 4, Knowledge of Tailwind CSS, Familiarity with AJV or Zod, Experience with dayjs, Experience with decimal.js, Experience with domain-driven architecture, Experience with performance optimization 📃 Skills: Nuxt, Vue, TypeScript, Pinia, PrimeVue, Tailwind, AJV, Zod, dayjs, decimal.js, JavaScript 🏢 Description: 🌍Work mode : remote. 💰 Rate: 140 -160 PLN/h on B2B. ⏰ Start : ASAP/ 1 msc. ⏳ Project length : 6 months + extensions. 📕Project language : English. ⚙️ Industry : AdTech. 💼 Workload : Full time. ⚙️ Recruitment process -1 technical interview. 💻 Equipment : work on own equipment. Summary: The role of the Senior Frontend Developer focuses on leading the development of high-performance frontend applications within the Ad-Tech domain , leveraging modern JavaScript frameworks . Main Responsibilities: Develop and maintain self-serve advertising platforms. Implement campaign management & booking flows. Actively contribute to pricing logic & financial calculations. Integrate SSP/DSP or programmatic components. Create and manage reporting & validation-heavy interfaces. Key Requirements: Proficient in Nuxt (Vue 3) . Strong command of TypeScript , including Generics and Interfaces. Experience with Pinia for state management. Knowledge of PrimeVue 4 and Tailwind CSS. Familiarity with AJV / Zod validation libraries. Skillful in dayjs & decimal.js . Experience with domain-driven architecture and performance optimization. Nice to Have: Experience with Nuxt Layers and modular architecture. Familiarity with the Mapper pattern (DTO → Domain). Experience with ESLint 9.

🏢 Summary: 100% remote B2B opportunity to lead a development team in building and maintaining scalable applications within an agile environment. The role combines hands-on full-stack development with strategic technical leadership, focusing on robust system architecture and faster delivery of new solutions. Long-term cooperation with a two-stage recruitment process including a technical test. 🗂️ Requirements: Proficiency in .NET, Proficiency in C#, Experience in full-stack development, Experience with front-end technologies, Experience with document-based databases, Knowledge of event-based messaging frameworks, Experience with cloud services, Experience with containerization, Ability to lead development teams, Experience working in agile environment 📃 Skills: .NET, C#, Angular, MongoDB, Cloud, Docker, Microservices, REST, Git 🏢 Description: Work model: 100% remote Start date: Flexible Rate: up to 215 PLN/h netto + VAT Contract : B2B, long-term cooperation (12-month contract up front + extensions) Recruitment process : 2 stages, including a technical test estimated to take 2-4 hours. Summary: The role focuses on leading the development team to create new solutions and maintain systems within an agile environment, emphasizing the importance of robust applications and strategic direction. Main Responsibilities: Lead the development team in creating and maintaining applications. Adopt wider technology practices and address the speed of new application delivery. Engage in hands-on development while guiding the strategic direction of projects. Collaborate with teams to gather specifications and perform technical analysis. Navigate complex systems and ensure they are built to scale. Manage developer quality and capacity amidst organizational constraints. Key Requirements: Proficient in .NET and C#. Experience with full-stack development, including front-end technologies. Familiarity with document-based databases. Knowledge of event-based messaging frameworks. Experience with cloud services and containerization. Nice to Have: Prior experience in the banking or financial services sector. Familiarity with Angular or other modern front-end frameworks. Experience with MongoDB or similar environments. Other Details: Environment: .NET, C#, Angular, MongoDB, moving towards cloud solutions. Team Structure: Full Stack Developers working closely with Business Analysts.

🏢 Summary: Full Stack Engineer role in the banking sector focused on building and delivering high-quality solutions within a microservices architecture. The position involves hands-on backend development, REST API design, and collaboration within a global team while promoting engineering best practices. Long-term project with frequent production deployments and strong emphasis on scalable architecture. 🗂️ Requirements: Strong software engineering experience, Backend application design and development expertise, Experience with microservices architecture, Experience delivering changes to production frequently, Experience developing and deploying RESTful APIs, Experience writing schemas for PostgreSQL, Experience working with PostgreSQL databases, Fluent English for project communication 📃 Skills: Java, REST, PostgreSQL, Microservices, Docker, Kubernetes, GCP, ReactJS 🏢 Description: 🌍 Work mode: hybrid – 6 days per month in the Kraków office (days of your choice, including the option to attend all 6 days in a row). ⏰Start: ASAP/1 month. 📝Contract: B2B. ⚙️Recruitment process: 2 meetings; live coding, technical interview. ⏳Duration: >12 months contracts. 📕Project language: English. 💼Industry: Banking. 💻Workload: Full time. Summary: This full stack engineer role focuses on delivering high-quality code through a microservices architecture while promoting engineering best practices within the team. Main Responsibilities: Be hands-on, delivering code to production, supporting the architecture and design aligned to a microservice structure. Maintain awareness of business, engineering, and non-functional requirements to support company growth. Drive a positive engineering culture across teams. Collaborate with a global team across regional boundaries. Proactively remove impediments, address risks, and communicate issues to program management. Identify process inefficiencies and find innovative solutions to eliminate them. Key Requirements: Strong experience in software engineering with proven expertise in backend application design, development, and deployment. Experience with delivering code in a microservice architecture. Demonstrated ability to deliver changes to production frequently. Experience in developing and deploying RESTful APIs. Prior experience writing schemas for and working with PostgreSQL databases. Nice to Have: Experience with Java, preferably recent versions. Understanding of containerization and orchestration technologies like Docker/Kubernetes and GCP Cloud platform. Experience in developing UI applications using ReactJS. Previous experience in the financial sector, specifically banking. Other Details: Team Structure: Global team collaboration across regions. Project Context: Focus on microservices and engineering culture.

🏢 Summary: Full Stack Engineer role in the banking industry focused on building and delivering high-quality solutions within a microservices architecture. The position involves hands-on backend and API development, frequent production deployments, and collaboration with global teams to promote strong engineering practices. Hybrid work model with long-term B2B contract and technical recruitment process including live coding. 🗂️ Requirements: Strong experience in backend application design, development, and deployment, Experience delivering code in microservices architecture, Experience deploying changes to production frequently, Experience developing and deploying RESTful APIs, Experience writing schemas and working with PostgreSQL databases, Fluent English for project communication 📃 Skills: Java, REST, PostgreSQL, Docker, Kubernetes, GCP, ReactJS, Microservices 🏢 Description: 🌍 Work mode: hybrid – 6 days per month in the Kraków office (days of your choice, including the option to attend all 6 days in a row). ⏰Start: ASAP/1 month. 📝Contract: B2B. ⚙️Recruitment process: 2 meetings; live coding, technical interview. ⏳Duration: >12 months contracts. 📕Project language: English. 💼Industry: Banking. 💻Workload: Full time. Summary: This full stack engineer role focuses on delivering high-quality code through a microservices architecture while promoting engineering best practices within the team. Main Responsibilities: Be hands-on, delivering code to production, supporting the architecture and design aligned to a microservice structure. Maintain awareness of business, engineering, and non-functional requirements to support company growth. Drive a positive engineering culture across teams. Collaborate with a global team across regional boundaries. Proactively remove impediments, address risks, and communicate issues to program management. Identify process inefficiencies and find innovative solutions to eliminate them. Key Requirements: Strong experience in software engineering with proven expertise in backend application design, development, and deployment. Experience with delivering code in a microservice architecture. Demonstrated ability to deliver changes to production frequently. Experience in developing and deploying RESTful APIs. Prior experience writing schemas for and working with PostgreSQL databases. Nice to Have: Experience with Java, preferably recent versions. Understanding of containerization and orchestration technologies like Docker/Kubernetes and GCP Cloud platform. Experience in developing UI applications using ReactJS. Previous experience in the financial sector, specifically banking. Other Details: Team Structure: Global team collaboration across regions. Project Context: Focus on microservices and engineering culture.

🏢 Summary: Full Stack Engineer role in the banking sector focused on building and deploying high-quality solutions within a microservices architecture. The position involves hands-on backend development, frequent production releases, and collaboration within a global team. The contract is long-term B2B with a hybrid work model. 🗂️ Requirements: Strong software engineering experience, Backend application design and development expertise, Experience with microservices architecture, Experience delivering code to production frequently, Experience developing and deploying RESTful APIs, Experience with PostgreSQL and schema design, Fluent English for technical communication 📃 Skills: Java, REST, PostgreSQL, Microservices, Docker, Kubernetes, GCP, ReactJS 🏢 Description: 🌍 Work mode: hybrid – 6 days per month in the Kraków office (days of your choice, including the option to attend all 6 days in a row). ⏰Start: ASAP/1 month. 📝Contract: B2B. ⚙️Recruitment process: 2 meetings; live coding, technical interview. ⏳Duration: >12 months contracts. 📕Project language: English. 💼Industry: Banking. 💻Workload: Full time. Summary: This full stack engineer role focuses on delivering high-quality code through a microservices architecture while promoting engineering best practices within the team. Main Responsibilities: Be hands-on, delivering code to production, supporting the architecture and design aligned to a microservice structure. Maintain awareness of business, engineering, and non-functional requirements to support company growth. Drive a positive engineering culture across teams. Collaborate with a global team across regional boundaries. Proactively remove impediments, address risks, and communicate issues to program management. Identify process inefficiencies and find innovative solutions to eliminate them. Key Requirements: Strong experience in software engineering with proven expertise in backend application design, development, and deployment. Experience with delivering code in a microservice architecture. Demonstrated ability to deliver changes to production frequently. Experience in developing and deploying RESTful APIs. Prior experience writing schemas for and working with PostgreSQL databases. Nice to Have: Experience with Java, preferably recent versions. Understanding of containerization and orchestration technologies like Docker/Kubernetes and GCP Cloud platform. Experience in developing UI applications using ReactJS. Previous experience in the financial sector, specifically banking. Other Details: Team Structure: Global team collaboration across regions. Project Context: Focus on microservices and engineering culture.

🏢 Summary: Full Stack Engineer role focused on building and delivering high-quality backend solutions within a microservices architecture in the banking domain. The position involves hands-on development, frequent production deployments, and collaboration within a global team to support scalable systems. The engineer will design, develop, and maintain RESTful services and ensure alignment with engineering best practices. 🗂️ Requirements: Strong experience in backend application design, development, and deployment, Experience delivering solutions in microservices architecture, Experience developing and deploying RESTful APIs, Experience working with PostgreSQL databases and writing schemas, Ability to deliver changes to production frequently 📃 Skills: Microservices, REST, PostgreSQL, Backend, APIs, Deployment 🏢 Description: 🌍 Work mode: hybrid – 6 days per month in the Kraków office (days of your choice, including the option to attend all 6 days in a row). ⏰Start: ASAP/1 month. 📝Contract: B2B. ⚙️Recruitment process: 2 meetings; live coding, technical interview. ⏳Duration: >12 months contracts. 📕Project language: English. 💼Industry: Banking. 💻Workload: Full time. Summary: This full stack engineer role focuses on delivering high-quality code through a microservices architecture while promoting engineering best practices within the team. Main Responsibilities: Be hands-on, delivering code to production, supporting the architecture and design aligned to a microservice structure. Maintain awareness of business, engineering, and non-functional requirements to support company growth. Drive a positive engineering culture across teams. Collaborate with a global team across regional boundaries. Proactively remove impediments, address risks, and communicate issues to program management. Identify process inefficiencies and find innovative solutions to eliminate them. Key Requirements: Strong experience in software engineering with proven expertise in backend application design, development, and deployment. Experience with delivering code in a microservice architecture. Demonstrated ability to deliver changes to production frequently. Experience in developing and deploying RESTful APIs. Prior experience writing schemas for and working with PostgreSQL databases. Nice to Have: Experience with Java, preferably recent versions. Understanding of containerization and orchestration technologies like Docker/Kubernetes and GCP Cloud platform. Experience in developing UI applications using ReactJS. Previous experience in the financial sector, specifically banking. Other Details: Team Structure: Global team collaboration across regions. Project Context: Focus on microservices and engineering culture.