Summary: CONSULTFIZ LATAM is seeking a Senior Software Engineer – Full Stack (React/UI Focus) to lead the design and delivery of scalable, enterprise-grade web applications. Highlights: 1. Lead design and delivery of scalable, enterprise-grade web applications 2. Contribute hands-on to architecture, development, testing, and support 3. Mentor junior developers and promote engineering best practices **Overview** CONSULTFIZ LATAM, a wholly owned subsidiary of Confiz LLC, is seeking a **Senior Software Engineer – Full Stack (React/UI Focus)** to lead the design and delivery of scalable, enterprise\-grade web applications. This role requires a highly experienced engineer who can lead technical discussions, guide problem\-solving efforts across teams, and contribute hands\-on to architecture, development, testing, and production support. Strong English communication skills are essential, as this position involves close collaboration with cross\-functional stakeholders and mentoring team members. The ideal candidate combines deep frontend expertise with solid backend and cloud knowledge to deliver robust, high\-quality solutions in modern distributed environments. **Responsibilities** * Design, develop, and maintain advanced web\-based software systems with a focus on scalability, performance, and maintainability * Lead technical problem\-solving sessions and guide team members through architectural and implementation challenges * Collaborate cross\-functionally with product, DevOps, QA, and backend teams to deliver end\-to\-end solutions * Develop and maintain RESTful APIs and microservices\-based applications * Implement and maintain CI/CD pipelines and automation processes * Contribute to cloud\-native deployments and containerized environments * Ensure high code quality through unit, integration, regression, and load testing * Participate in data analysis, troubleshooting, logging, and monitoring efforts * Provide on\-call support during designated working hours * Mentor junior developers and promote engineering best practices **Qualifications** * 5\+ years of hands\-on software development experience * Proven experience designing and building enterprise\-level applications * Strong background in system design and architecture **Technical Skills** **Frontend \& Web Development** * 5\+ years of Web Development experience * Strong proficiency in **React** and **JavaScript** * Experience building scalable UI architectures **Backend \& Frameworks** * Strong proficiency in **Java (required)** * Experience with **Spring Boot** * RESTful architecture and microservices **Cloud \& DevOps** * AWS (preferred) * Kubernetes and AWS Lambda (preferred) * CI/CD pipelines (GitLab CI/CD, Terraform or similar) * Messaging technologies (Kafka, SQS) **Testing \& Quality** * Test automation (Unit, Integration, Regression, Load testing) **Data \& Observability** * Familiarity with relational databases * Logging and monitoring tools (e.g., New Relic, Splunk) **Additional Requirements** * Strong English communication skills (verbal and written) * Ability to lead discussions and collaborate across distributed teams * Strong analytical and problem\-solving skills **About Confiz** Confiz is a global technology services and solutions company delivering innovative enterprise projects and products to Fortune 100 retailers and CPG companies, leading store chains, fast\-growing fintech organizations, and Silicon Valley startups. What sets Confiz apart is its commitment to quality, security, and operational excellence. Confiz is certified in: * ISO 9001:2015 (Quality Management System) * ISO 27001:2022 (Information Security Management System) * ISO 20000\-1:2018 (IT Service Management System) * ISO 14001:2015 (Environmental Management System) We foster a collaborative culture focused on continuous learning, innovation, and professional growth. Our teams work with cutting\-edge technologies while contributing meaningfully to impactful global projects. To learn more, visit: https://www.linkedin.com/company/confiz