We are hiring a

Senior Full-stack Engineer - Angular, Node.js

to help modernize core systems by retiring COBOL and rebuilding capabilities with Node.js and Angular. You will translate legacy business logic into scalable services, partner with stakeholders across teams, and uphold code quality from build to release.
Responsibilities
Develop new backend capabilities using Node.js
Create and maintain frontend UI components using Angular
Leverage services available on AWS
Participate in technical and functional analysis of existing COBOL processes
Collaborate on migrating business logic from legacy systems into new applications
Work with relational databases, SQL queries, and stored procedures when needed
Contribute to technical definitions with the Tech Lead and other team members
Ensure strong engineering practices, code quality, testing, and maintainability
Support technical and functional documentation for migrated processes
Investigate incidents, bugs, or functional differences between the legacy system and the new solution
Assist comprehensive testing, user validation, and production deployment phases
Build understanding of implemented processes, their interactions, and the impact of delivered changes
Requirements
Proven software development experience of 3+ years working with Node.js, Angular, and cloud services on AWS
Solid background in building backends with Node.js and delivering frontends with Angular
Hands-on familiarity with AWS services




Strong knowledge of REST API design and consumption
Practical experience with relational databases and strong SQL proficiency
Demonstrated exposure to production systems with complex business logic
Proven ability to analyze legacy processes and migrate them to modern solutions
Sound technical judgment to produce maintainable, scalable, and testable code
Experience collaborating within agile teams
Ability to engage with technical, functional, and business stakeholders
English proficiency at B2 (Upper-Intermediate) level or higher
Nice to have
Experience with COBOL shutdown projects or legacy system migrations
Familiarity with batch processes, scheduled jobs, or file-based integrations
Background in financial, fintech, or payment processing and high-transaction industries
Knowledge of CI/CD
Understanding of observability, logging and monitoring, service-oriented architectures, or microservices
We offer
International projects with top brands
Work with integral teams of highly skilled, diverse peers
Healthcare benefits
Employee financial programs
Paid time off and sick leave
Upskilling, reskilling and certification courses
Unlimited access to the Linked In Learning library and 22,000+ courses
Global career opportunities
Volunteer and community involvement opportunities
EPAM Employee Groups

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📌 Senior Full-stack Engineer - Angular, Node.js (Buenos Aires)
🏢 EPAM Systems
📍 Buenos Aires