Senior Java Developer

Santex is a global Certified B technology company as well as one of North America's fastest-growing companies, according to the Inc. 5000. It’s present in 18 countries and over 100 cities, and headquartered in Argentina with offices in the United States, Mexico, and Peru.

Its two service lines — AI Tech Consulting and AI-Optimized Engineering — help organizations comprehensively adopt technology, expand their capabilities, and improve business outcomes at scale.

The same approach defines its culture: Santex has 80.4% employee engagement (global average: 21%), 8% annual turnover (tech sector: 20–25%), 9,369 training hours invested in 2025 — more than double the global average —, and a 26.5% year-over-year reduction in carbon footprint, achieving carbon neutrality through offsetting.

Santex. A company with purpose and judgment. Yes, it's possible.

We are an Equal Opportunity Employer and are committed to fostering an inclusive and diverse workplace. We do not discriminate on the basis of race, color, religion, sex, gender identity or expression, sexual orientation, national origin, age, disability, veteran status, genetic information, or any other characteristic protected by applicable law. All qualified applicants will receive consideration for employment without regard to any of these factors. We strongly encourage candidates from all backgrounds to apply.

Job Description: Senior Java Developer

We are seeking skilled Engineers passionate about delivering exceptional software experiences. As part of the team, this individual will design and build features that improve our clients’ customer experience, owning services end-to-end and collaborating closely with product managers and designers to create intuitive, impactful solutions.

The Engineer will simplify complex problems into scalable designs, uphold engineering best practices, and contribute to a culture of continuous improvement. Operating in a fast-paced Agile environment, they will consistently deliver high-quality, production-ready code and embrace continuous delivery. Ideal candidates are detail-oriented, driven to solve real problems, eager to learn, and committed to mentoring and excellence—striving for perfection while knowing when to ship.

Key Areas of Responsibility

• Implement features and deliver production-ready code 
• Create technical documentation, system diagrams, and debugging reports 
• Conduct performance optimizations and monitor key metrics

Product Strategy, Vision, and Planning

• Participate in agile planning events by providing technical insights and feasibility analysis 
• Collaborate with Product Owners, Designers, and Engineers to translate business needs into features and technical solutions 
• Offer input on technology enhancements, emerging tools, and product gaps to inform the roadmap and backlog 
• Support definition of acceptance criteria to guide development and testing

Product Design and Development

• Design, develop, deploy, and maintain software solutions in an agile environment 
• Write clean, scalable code aligned with best practices and engineering standards 
• Collaborate with peers to implement user stories, resolve issues, and improve product functionality 
• Engage in agile events such as daily scrums and product demos 
• Create proof-of-concepts and run experiments to inform technical decisions 
• Conduct peer code reviews for quality and knowledge sharing 
• Continuously improve team processes and development workflows 
• Stay current with emerging technologies, frameworks, and industry practices

Performance Measurement and Optimization

• Monitor delivery metrics such as lead time and deployment frequency 
• Identify and implement improvements to enhance delivery efficiency

Basic Qualifications

• Bachelor's degree in Computer Science, Information Technology, or equivalent 
• 4+ years of experience in software development using Java 
• Strong foundation in data structures, algorithms, and concurrent programming 
• Expertise in designing and troubleshooting transactional systems 
• Experience with microservices architecture, Java EE, Spring Boot, Spring Cloud, Hibernate, Oracle, PostgreSQL, BigTable, BigQuery, NoSQL, Git, IntelliJ IDEA, Pub/Sub, Dataflow 
• Experience in API Governance, API Security & API designing 
• Experience in native and hybrid cloud environments and Agile development 
• Proficient in Python or Java, multi-tenant cloud technologies, and tools like Jira 
• Skilled in translating user stories into scalable, user-centric solutions 
• Strong collaboration and communication skills for cross-functional teamwork 
• Analytical problem-solver with attention to detail and structured thinking 
• Experience with Java IDEs (Eclipse, IntelliJ), application servers (Tomcat), scripting languages (JSON, XML, YAML, Terraform), Git, Maven

Preferred Qualifications

• Champion of Agile Scrum methodologies and SAFe frameworks 
• Experience with CI/CD systems such as Jenkins or GitHub CI 
• Deep understanding of secure solution design principles 
• Familiarity with concurrent backend environments and multithreading 
• Experience with tools or languages including Ruby, Python, Perl, Node.js, Bash, C, C++, Spring, Oracle, Docker, Kubernetes

Product Specific Qualifications / Skillsets

• Full stack is preferred, but could be shared by each pair with front-end/back-end 
• Front-end is React and React Native 
• Native iOS and Android 
• Back-end is Java, Spring Boot with some DB (preferably PostgreSQL)

Location: Argentina, Peru, or Mexico City