We are seeking a Senior Developer with a minimum of 3–4 years of experience in developing robust and scalable services using Java and the Spring ecosystem (Boot). This role is critical for designing, implementing, and maintaining cloud-native solutions, fully leveraging AWS services (Lambda, SQS, RDS, EC2). The ideal candidate must master REST API development, relational database optimization, and be capable of integrating into agile teams and multidisciplinary environments. We are a company specialized in custom software development, tailored to each client’s specific needs. Our focus is on creating solutions that optimize processes, increase productivity, and generate value for businesses. We have a technical team that supports our clients from analysis through to final project implementation. Requirements The AWS & Java Developer will be responsible for the quality, performance, and scalability of backend services. Key responsibilities include: **Core Development:** Designing, coding, and maintaining microservices and backend applications using Java and modern frameworks such as Spring Boot. **Cloud Architecture:** Implementing and managing AWS services (e.g., SQS, Lambda, S3, RDS) to ensure application scalability and availability. **Integration and APIs:** Implementing secure and efficient REST APIs, using documentation tools such as Swagger. **Data Management:** Optimizing queries and managing relational databases (PostgreSQL, MySQL, SQL Server). **Multi-Technology Collaboration:** Integrating complex systems involving other technologies (e.g., Node-RED, PHP). **DevOps:** Collaborating on containerization (Docker) and implementing CI/CD pipelines. **Quality and Support:** Applying best development practices, performing troubleshooting, and maintaining technical documentation. 1. Core Experience (Minimum 3+ Years) **Core Language:** Advanced proficiency in Java and proven experience with Spring Boot for backend and microservice development. **Cloud:** Practical experience with AWS (e.g., EC2, Lambda, SQS, S3, RDS, API Gateway, IAM). **APIs:** Ability to implement and document REST APIs (Swagger). **Databases:** Advanced expertise in managing and optimizing PostgreSQL, MySQL, and/or SQL Server. 2. Secondary Technologies (Plus/Desirable) **Containerization:** Experience with Docker for service deployment. **Frameworks/Languages:** Knowledge of Node.js (Node-RED) and PHP (to facilitate integrations). **Security:** Familiarity with API security standards (JWT, OAuth 2). **Frontend:** Experience or basic knowledge of REACT (or Angular/Vue) for full-stack understanding. 3. Academic Qualifications **Academic Degree:** Bachelor’s degree or university diploma in Software Engineering, Computer Science, Information Systems, or related fields. **Certifications (Desirable):** AWS certifications (e.g., AWS Certified Developer – Associate) are a strong asset. 4. Key Skills and Competencies **Problem Solving:** Ability to address and resolve complex issues in cloud and high-performance environments. **Teamwork:** Ability to collaborate effectively with multidisciplinary teams (functional, cloud, DevOps). **Self-Learning:** Capacity to master new technologies and AWS services. **Results Orientation:** Focus on efficiency, performance, and cost optimization in cloud environments. Benefits If you are passionate about directly contributing to a challenging business—and if your work has a tangible impact on our customers’ satisfaction—this role is for you. Let’s go all in! **We offer:** Opportunities for learning and professional development. A collaborative and dynamic work environment. Training in project management and digital tools.