Software Engineer

Remote from: Costa Rica
Annual salary: Undisclosed
Salary information is not provided for this position. Check our Salary Directory to estimate the average compensation for similar roles.
Department: Software Engineering
Employment type: Full Time,
Job posted: 22 May 2026
Apply before: 22 Jun 2026
Experience level: Midweight
Views / Applies: 160 / 51

Experian unlocks the power of data to create opportunities for consumers, businesses and society.

Actively Hiring

AI Summary

Experian is seeking a mid-level Software Engineer to join their dynamic team, focusing on understanding, maintaining, and refactoring legacy .NET applications. The role involves improving system design, preparing platforms for gradual modernization, and implementing robust backend services using .NET/.NET Core. The ideal candidate has 4+ years of experience with C#/.NET development, expertise in refactoring legacy codebases, and familiarity with messaging systems like RabbitMQ or NServiceBus. This remote position offers benefits such as medical insurance, paid time off, and an annual performance bonus.

Job Complexity

Easy Hard

AI Insight The role requires 4+ years of experience and expertise in refactoring legacy codebases, which adds complexity, but the requirements are standard for a mid-level position.

Salary Analysis

AI Insight The job listing does not specify a salary range. Based on market data for a mid-level Software Engineer with .NET expertise, the median salary is approximately $110,000 per year. The offered salary is likely competitive within this range.

Key Skills

C# .NET .NET Core Entity Framework Core RabbitMQ NServiceBus CI/CD Agile Refactoring Distributed Systems

Cover Letter Sample

Dear Hiring Manager,

I am writing to express my interest in the Software Engineer position at Experian. With over 4 years of experience in C# and .NET development, I have a strong background in refactoring legacy codebases and improving system design. I am particularly drawn to this role because of the opportunity to contribute to platform modernization and cloud readiness initiatives.

In my previous role, I successfully refactored a complex legacy .NET application, resulting in a 30% improvement in performance and maintainability. I am proficient in Entity Framework Core, RabbitMQ, and CI/CD pipelines, and I enjoy collaborating with cross-functional teams to deliver robust solutions.

I am excited about the chance to bring my skills to Experian and contribute to your innovative projects. Thank you for considering my application.

Sincerely,
[Your Name]

Possible Interview Questions

Can you describe your experience with refactoring legacy .NET applications? Provide a specific example.

In my previous role, I worked on a legacy .NET Framework application that had become difficult to maintain. I analyzed the codebase, identified tightly coupled components, and gradually refactored them using dependency injection and domain-driven design. This improved testability and reduced the time to add new features by 25%.

How do you approach designing a distributed messaging system using RabbitMQ or NServiceBus?

I start by identifying the communication patterns needed, such as event-driven or command-based. I design message schemas, choose appropriate exchange types, and implement reliable delivery with retries and dead-letter queues. I also ensure idempotency and handle failures gracefully.

Explain how you would improve the CI/CD pipeline for a .NET project.

I would automate builds, run unit and integration tests, and implement code quality checks. Using tools like Azure DevOps or Jenkins, I would set up stages for building, testing, and deploying to staging and production environments, with approvals and rollback capabilities.

Describe a time you had to modernize a legacy system. What steps did you take?

I worked on migrating a monolithic .NET application to a microservices architecture. I started by identifying bounded contexts, then extracted services incrementally using strangler fig pattern. I introduced containerization with Docker and orchestration with Kubernetes, and gradually moved data to separate databases.

How do you ensure code quality and maintainability in a team environment?

I advocate for code reviews, pair programming, and adherence to coding standards. I also encourage writing unit tests and using static analysis tools. Regular refactoring sessions and documentation help keep the codebase clean.

Company Description

Experian is a global data and technology company, powering opportunities for people and businesses around the world. We operate across a range of markets, from financial services to healthcare, automotive, agribusiness, insurance, and many more. Experian invests in people and new advanced technologies to unlock the power of data. We have an amazing team of 25,200 people in 32 countries.

Job Description

We are looking for an experienced Mid-level developer to join our dynamic team. You will focus on understanding, maintaining, and refactoring legacy .NET applications, improve system design, and prepare platforms for gradual modernization. You are experienced in backend development, distributed systems, and codebase evolution. You will report to Software Development Manager.

Main Responsibilities:

· Analyze, understand, and refactor complex legacy .NET applications to improve maintainability, scalability, and performance.

· Contribute to efforts to modernize existing systems, including architectural improvements and incremental cloud readiness.

· Implement robust backend services using .NET / .NET Core and related technologies.

· Apply best practices in clean code, refactoring, and domain-driven design to evolve existing systems.

· Implement and maintain distributed messaging patterns using tools such as RabbitMQ, NServiceBus, or similar broker-based systems.

· Develop and improve data access layers using Entity Framework Core.

· Contribute to and improve CI/CD pipelines, build processes, and deployment strategies.

· Collaborate with cross-functional teams to translate our requirements into technical solutions.

· Participate in Agile ceremonies including backlog grooming, sprint planning, and technical design discussions.

· Support the full software development lifecycle, from analysis through deployment and maintenance.

Qualifications

· Bachelor’s degree in Computer Science, Information Technology, or related field.

· 4+ years of experience with C#/.NET/.NET Core development.

· Experience working with and refactoring legacy codebases.

· Deep understanding of software design principles, patterns, and architecture.

· Hands-on experience with Entity Framework Core and relational data modeling.

· Experience implementing messaging systems (e.g., RabbitMQ, NServiceBus, Kafka, or similar).

· Solid understanding of distributed systems and messaging patterns.

· Experience with CI/CD pipelines and DevOps practices.

· Familiarity with Agile methodologies (Scrum or similar).

· Experience with tools such as Jira, Confluence, Bitbucket, Bamboo, or Octopus (or similar products related to source control, requirements management, and CI/CD).

Nice to Have:

· Experience with AWS or other cloud platforms (primarily for deployment and migration support).

· Exposure to frontend technologies (e.g., React) — not a primary focus.

· Familiarity with data parsing and validation frameworks.

· Experience in system modernization or cloud migration plans.

· AWS certification (optional).

· Experience applying GenAI tools to accelerate development workflows.

Additional Information

Our uniqueness is that we celebrate yours. Experian’s people first, inclusive and purpose-driven culture is multi award-winning; World’s Best Workplaces™ 2025 (Fortune Global Top 25), Great Place To Work™ in 26 countries to name a few. Check out Experian Life on social or explore our Careers Site to understand why. Experian is also proud to be an Equal Opportunity and Affirmative Action employer. If you have a disability or special need that requires accommodation, please let us know at the earliest opportunity.

Benefits/Perks:

Medical, life and dental insurance, Asociacion Solidarista, International Share Save Plan, Flex Work/Work from home, Paid time off, Annual Performance Bonus, Education Reimbursement, Family Bonding, Bereavement Leave, Referral Program, and more.

#LI-Remote This is a remote position.

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