Senior Full Stack (Java&React)

Present Technologies; Coimbra; Presencial; EUR 60 000 - 90 000; Tempo integral

Vantagens oferecidas por esta oferta de emprego

Company/performance bonus

Extra days of holidays

Annual benefits budget for flexible, e

Great offices with free fruit andamp;"

Technical training / learn sessions /

Resumo da oferta

Present Technologies in Portugal is seeking a Senior Fullstack Developer to architect and deliver scalable web apps with Java/Spring Boot and React-based frontends. You will build robust microservices using gRPC and Kafka, and implement GenAI features with careful prompt engineering.

You will work with AI-assisted coding tools and adhere to security, testing, and deployment best practices, targeting production-grade, highly available systems.

Qualificações

• At least 5 years of professional software engineering experience with Java and React.
• Strong knowledge of Java, Spring Boot, microservices and Kubernetes.
• Proficiency in React, TypeScript, Zustand and MUI Materials.

Responsabilidades

• Architect efficient, scalable fullstack systems for large-scale web apps.
• Design and develop robust microservices with Java/Spring Boot, gRPC and Kafka.
• Build front-end with React, TypeScript, Zustand and MUI Materials.
• Implement GenAI features with prompt engineering for deterministic outputs.
• Leverage AI-assisted coding tools while maintaining security standards.
• Ensure production readiness and high availability with Kubernetes.
• Follow clean code, TDD and industry standard guidelines.
• Share knowledge and experiment with new technologies.

Conhecimentos

Java

React

Spring Boot

Kubernetes

Microservices

gRPC

Kafka

TypeScript

Zustand

MUI Materials

Prompt Engineering

AI-assisted coding

Git

Agile

English

Communication

Ferramentas

Cursor

GitHub Copilot

Claude

Descrição da oferta de emprego

Present Technologies, ranked on the Top 2 of the Best Place to Work for in Portugal, is seeking for highly-skilled Senior Fullstack Developers to join our development team. From large-scale digital platforms to market-leading distributed systems, our clients and partners trust us to build reliable software used every day by millions of users.

If you are looking for challenging projects, love to architect modern backends and interactive frontends, and want to be at the forefront of the AI-driven development revolution, this offer is for you!

WE are PRESENT because WE CARE!

ROLE DESCRIPTION - KEY RESPONSIBILITIES:

• Architect efficient, scalable, and reusable fullstack systems that drive complex, large-scale web applications.
• Design and develop robust microservices using Java and Spring Boot, integrating high-performance communication via gRPC and event-driven patterns with Kafka.
• Build responsive, state-managed front-end applications using React, TypeScript, and Zustand, translating Figma designs into pixel-perfect components with MUI Materials.
• Implement production-ready GenAI features, mastering prompt engineering, context optimization, and hallucination reduction to ensure deterministic responses.
• Maximize delivery speed and code quality through the intensive use of AI-assisted coding tools (such as Cursor, GitHub Copilot, Claude, or equivalents) while maintaining strict security standards.
• Ensure applications are production-ready and highly available using Kubernetes.
• Follow best practices using clean code, TDD, and industry standards guidelines.
• Help the team evolve, sharing knowledge and experimenting with new ideas and emerging technologies.

MAIN REQUIREMENTS:

• At least 5 years of professional experience in software engineering (with a strong focus on both Java and React).
• Deep knowledge of Java, Spring Boot, Microservices, and Kubernetes.
• Strong proficiency in React, TypeScript, Zustand, and component libraries like MUI Materials.
• Solid experience with Apache Kafka and gRPC communication protocol.
• Practical experience in Prompt Engineering, context optimization, hallucination reduction, and achieving deterministic LLM responses in production environments.
• Proficiency and enthusiasm in the intensive use of AI-assisted coding tools (Cursor, Copilot, Claude) to accelerate development safely.
• Prior experience with Git source control system (GitHub or GitLab) and Agile methodologies (Scrum/Kanban).
• Good communication and organizational skills.
• Must be based in Portugal.
• Proficiency in English.

NICE TO HAVE:

• Experience with testing frameworks across the stack (e.g., JUnit, Mockito, Jest, or React Testing Library).
• Familiarity with Vector Databases (e.g., Pinecone, Chroma, Milvus) or RAG architectures.
• Knowledge of CI/CD pipelines and automated security scanning for AI-assisted code.
• Experience with cloud platforms (AWS, GCP, or Azure).

PERKS:

• Company/performance bonus
• Extra days of holidays
• Annual budget for flexible benefits (e.g. kindergarten payment, health and well-being, education expenses, savings & retirement, public transportation and family health insurance)
• Great offices with free fruit and coffee
• Technical training / learn sessions / workshops