JOB DETAILS:
Location: Portugal (Portuguese residency required)
Work model: Hybrid (Porto or Lisbon 1x per week)
DAY-TO-DAY DUTIES:
Design, develop, and maintain scalable and secure backend services using Java (Spring Boot).
Build modern, responsive web applications with React, leveraging hooks, state management tools (Redux, Context API), and understanding component lifecycle.
Collaborate closely with backend and frontend teams to ensure seamless integration of RESTful APIs.
Develop and implement solutions using HTML5, CSS3, JavaScript (ES6+), and modern UI frameworks such as Material-UI or Bootstrap.
Work with relational databases like MySQL or PostgreSQL, and NoSQL databases such as MongoDB or Redis, focusing on schema design and query optimization.
Implement and maintain CI/CD pipelines for continuous integration and deployment using tools such as Jenkins, GitLab CI, or CircleCI.
Write and execute backend and frontend tests using testing frameworks like JUnit.
REQUIREMENTS:
5+ years of experience with Java and deep expertise in Spring Boot for building backend services.
3+ years of experience developing responsive web applications using React, including knowledge of hooks, Redux, Context API, and component lifecycle management.
Proficiency in HTML5, CSS3, and JavaScript (ES6+), with experience using UI frameworks like Material-UI or Bootstrap.
Strong understanding of RESTful API design and integration between backend services and React applications.
Experience working with both relational databases (MySQL, PostgreSQL) and NoSQL databases (MongoDB, Redis).
Proficiency in version control using Git, along with experience in CI/CD pipeline tools like Jenkins, GitLab CI, or CircleCI.
Experience with testing frameworks like JUnit for backend and frontend tests.
BENEFITS AND PERKS:
25 days of holiday.
Anniversary day off.
Office setup budget.
Working hours exemption allowance.
Capitalization Insurance.
Training budget and paid learning subscriptions.
Health insurance.
Food allowance.
ABOUT TOP SIGMA:
Welcome to Top Sigma, a provider of innovative DevOps & SRE Services and Cloud Solutions. We focus on DevSecOps integration, performance optimization, and cost efficiency to help our clients achieve scalability, security, and cost savings. We provide Cloud Training, Workshops, and Consultancy services to help clients achieve their DevOps Transformation Strategy goals. Additionally, through our Cloud Resilience teams, we ensure the data security of our clients, allowing them to focus on their core business with peace of mind.
We look forward to welcoming you to our team!
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