At ARCOS, we don't just build software—we innovate, transform, and push boundaries. We're searching for a Full-stack Senior Software Engineer to join our dynamic team—a technical leader and mentor who thrives on solving complex challenges and driving impactful solutions.

If you have a passion for scalable system design, secure and high-performing software, and empowering others through mentorship, this is the role for you. We value not only technical excellence but also proactive collaboration, strategic thinking, and a relentless drive to deliver results.

What You'll Do

Design and build high-quality, scalable software aligned with ARCOS's goals
Set standards for clean code, design patterns, and unit testing
Solve complex technical challenges with both immediate and long-term impact
Guide junior engineers in technical and professional growth
Partner with product teams, architects, and UX designers to create seamless solutions
Foster a culture of knowledge-sharing and teamwork
Actively engage in Agile Scrum rituals—stand-ups, sprint planning, and retrospectives
Take ownership of projects, delivering quality solutions on time
Identify and implement process optimizations
Stay ahead of technology trends, championing innovative tools and practices

Requirements

What you bring

5+ years of full-stack enterprise software development experience (UI, backend, API, database)
A strong foundation in software engineering design principles and scalable architectures
Proven leadership in solving technical challenges and mentoring teams
Effective communication skills—explaining complex concepts to both technical and non-technical audiences
Expertise in Agile development, CI/CD pipelines, and secure coding practices
Experience with multi-tenant, cloud-based, high-availability systems

Required Technical Skills:

Java (version 8 and above) Spring Boot or similar frameworks
SQL (relational) databases
REST, React or JavaScript/TypeScript, HTML/CSS
Cloud-native development with AWS
Unit testing practices (experience with frameworks like JUnit, Mockito)
Event-driven architectures

Desired Technical Skills

Mobile cross-platform development with React Native or equivalent frameworks (.NET Maui / Xamarin or Flutter)
Testing automation using frameworks like Selenium and RestAssured or equivalent
Generative AI/LLMs
NoSQL databases (AWS DynamoDB or equivalent)
Atlassian tools (Jira, Bitbucket, Confluence) or equivalent

Benefits