Lead Fullstack Engineer (Java + React)

20k - 30k PLN20 000 - 30 000 PLN/ mies./ mies.B2BB2B (netto)

SeniorZdalnie·KrakówFull-time·B2B

#463469·Dodano 2 dni temu·5

Źródło: nofluffjobs.com

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Tech Stack / Keywords

React TypeScript Java Spring Boot Microservices Redux REST APISystem integrationSQL HibernateJPAAutomated testingJUnit MockitoTestingDocker GitCI/CD PipelinesNext.jsCloud platformAWS Kafka KubernetesInfrastructure as CodeSaaSGitHub Claude

Podsumowanie oferty

Lead the development of a modern SaaS platform for international enterprise clients that automates workflows, manages business operations, and analyzes data in real time. Take technical ownership of platform components and architecture while remaining hands-on with React, TypeScript, Java, and Spring Boot.

Wymagania

7+ years of commercial software development experience, including technical leadership experience.
Strong hands-on experience with React, TypeScript, and modern frontend architecture.
Strong commercial experience with Java, Spring Boot, and microservices.
Experience designing complex React applications, reusable components, and state management using Redux or similar solutions.
Strong understanding of REST APIs, asynchronous communication, and system integrations.
Experience with SQL databases, Hibernate/JPA, and database optimization.
Practical knowledge of automated testing, including JUnit, Mockito, Jest, or React Testing Library.
Experience with Docker, Git, and CI/CD pipelines.
Ability to make architectural decisions, mentor engineers, and remain hands-on in development.
English proficiency at B2 level or higher.

Nice to have:

Experience with Next.js and frontend performance optimization.
Knowledge of cloud platforms, particularly AWS.
Experience with Kafka or other event-driven architectures.
Familiarity with Kubernetes and Infrastructure as Code.
Experience with large-scale enterprise SaaS platforms.
Knowledge of WebSockets and real-time applications.
Experience modernizing legacy applications or leading frontend migrations.
Familiarity with AI-assisted development tools such as GitHub Copilot or Claude Code.

Obowiązki

Lead the design and development of full-stack applications using React, TypeScript, Java, and Spring Boot.
Take ownership of frontend and backend architecture, ensuring scalability, maintainability, and performance.
Design and implement complex React components, reusable UI solutions, and state management patterns.
Develop Java-based microservices, REST APIs, and integrations with external systems.
Drive technical decisions, establish coding standards, and improve engineering practices.
Mentor engineers, conduct code reviews, and support the team in solving complex technical challenges.
Collaborate with Product, QA, and DevOps teams to deliver new platform capabilities.

Benefity

Medical care package and Multisport card.
Professional development through knowledge sharing and technical initiatives.

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