Sr. Software Developer – Application Migration & Modernization ( 102-08SENG-01)

• 2 days ago

OpsBrasil

Role overview

Qualifications

Experience with .NET Framework 4.8
Knowledge of Oracle and PostgreSQL RDS
Familiarity with Windows application servers on EC2
Hands-on engineering experience

Responsibilities

Modernize legacy .NET applications and their data tiers
Ensure seamless migration with no downtime
Modify application layer to support PostgreSQL
Address undocumented application logic and stored procedures

Key facts

Remote from: Brazil, South America, Latin America
Full time
Senior (5-10 years)
Application Developer
English

Hard skills

Other skills

Problem Solving
Detail Oriented

About the company

OpsBrasil

IT Services & Consulting
SME
11–50

Staff augmentation, software development team augmentation, international recruiting, virtual teams, remote tech talent

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Job description

This role modernizes legacy .NET applications and their data tiers onto supportable platforms. Most engagements start with a working-but-aging system — a .NET Framework 4.8 application backed by Oracle — and end with something maintainable, scalable, and testable on PostgreSQL RDS with Windows application servers on EC2. This is hands-on engineering with real constraints: production systems that can't go down, undocumented application logic, business logic buried in stored procedures nobody has read in a decade, and a migration that needs to be seamless and invisible to end users. Critically, this is not a database-only migration: the application layer itself must be modified to support PostgreSQL as the backend, not just have its data moved underneath it.