Legacy Modernization Engineer - Remote Work | REF#290531

BairesDev; México; Remote; MXN 1,486,000 - 2,043,000; Full time

Benefits offered by this job

Remote work

Competitive pay (USD or local currency

Home equipment provided

Flexible hours

Paid parental leave & holidays

Job summary

BairesDev is seeking a Legacy Modernization Engineer to lead the transformation of outdated monoliths into scalable microservices. You will design RESTful APIs, refactor in .NET or Java, and implement modern CI/CD pipelines to accelerate delivery while minimizing business disruption.

Join a fully remote team that collaborates globally and emphasizes mentorship, growth, and diverse opportunities across top tech projects.

Qualifications

• 4+ years of software engineering, focusing on legacy modernization.
• Proficient in .NET or Java with experience refactoring legacy WebForms or VB.
• Experience designing RESTful APIs for microservices migration.
• Strong CI/CD knowledge and modern delivery pipelines.
• Familiar with Strangler Fig pattern for incremental migration.
• Advanced English proficiency.

Responsibilities

• Decompose monoliths into microservices by business domain.
• Design and implement RESTful APIs for legacy to new services.
• Refactor code in .NET or Java to improve maintainability and security.
• Integrate CI/CD pipelines to automate deployment.
• Define migration roadmaps minimizing disruption to business.

Skills

Legacy modernization

Microservices

RESTful APIs

CI/CD

Strangler Fig pattern

English proficiency

Tools

.NET

Java

Job description

At BairesDev® we've been leading the way in technology projects for over 15 years. We deliver cutting-edge solutions to giants like Google and the most innovative startups in Silicon Valley.

Our diverse 4,000+ team, composed of the world's Top 1% of tech talent, works remotely on roles that drive significant impact worldwide.

When you apply for this position, you're taking the first step in a process that goes beyond the ordinary. We aim to align your passions and skills with our vacancies, setting you on a path to exceptional career development and success.

As a Legacy Modernization Engineer, you will lead the transformation of outdated monolithic applications into agile, scalable microservices architectures. You will orchestrate the transition from legacy stacks to modern ecosystems, ensuring business continuity while reducing technical debt and improving system resilience.

What You'll Do

• Decompose complex monoliths into well-defined, loosely coupled microservices based on business domains.
• Design and implement robust RESTful APIs to facilitate communication between legacy components and new services.
• Refactor brittle codebases in .NET or Java to improve maintainability, performance, and security.
• Integrate modern CI/CD pipelines to automate deployment workflows and accelerate delivery cycles.
• Define migration roadmaps that minimize business disruption while transitioning to modern cloud-ready platforms.

What We Are Looking For

• 4+ years of experience in Software Engineering, focusing on legacy modernization and monolith decomposition.
• Strong proficiency in .NET or Java ecosystems, including refactoring legacy codebases like WebForms or VB.
• Proven expertise in designing and implementing RESTful APIs to facilitate microservices migrations.
• Solid understanding of CI/CD adoption and modernizing software delivery pipelines.
• Experience with architectural patterns for incremental migration, such as the Strangler Fig pattern.
• Advanced proficiency in English.

How we do make your work (and your life) easier:

• 100% remote work (from anywhere).
• Excellent compensation in USD or your local currency if preferred
• Hardware and software setup for you to work from home.
• Flexible hours: create your own schedule.
• Paid parental leaves, vacations, and national holidays.
• Innovative and multicultural work environment: collaborate and learn from the global Top 1% of talent.
• Supportive environment with mentorship, promotions, skill development, and diverse growth opportunities.

Join a global team where your unique talents can truly thrive and make a significant impact!