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Software Engineering · Heredia · Hybrid

Full Stack Engineer (.Net / RoR / Angular)

We are seeking a Senior Full Stack Engineer (.Net / RoR / Angular) to design, develop, and maintain scalable web applications across both backend and frontend layers. This role will contribute to the development of robust APIs, distributed services, and modern web interfaces while working in a cloud-native, microservices-oriented environment.

You will collaborate with cross-functional teams to build reliable systems, implement business logic, and deliver high-quality features that support mission-critical applications.

The ideal candidate is comfortable working across the full stack, from backend services and data layers to modern frontend frameworks.

About First Factory

We are a software development company with over two decades of experience, boasting a dynamic team of 175+ professionals actively engaged in diverse projects across various industries. We invite you to join us on this journey as we thrive and embrace fresh challenges.

Responsibilities

  • Design, develop, and maintain backend services and APIs using Ruby on Rails and/or .NET technologies.

  • Build and maintain RESTful APIs that support internal and external platform integrations.

  • Contribute to frontend development using Angular, JavaScript, HTML5, and CSS3.

  • Implement business logic, validations, background jobs, and service layers to support application functionality.

  • Work with relational databases and caching layers to support application performance and scalability.

  • Collaborate with cross-functional teams, including product, QA, and platform engineers, to deliver high-quality solutions.

  • Participate in code reviews, testing, and engineering best practices to ensure maintainable and reliable codebases.

  • Support the design and evolution of microservices and distributed architectures.

  • Contribute to CI/CD pipelines, containerized deployments, and cloud-native environments.

  • Monitor application performance and contribute to debugging, observability, and system reliability efforts.

Requirements

  • 5+ years of professional experience in Full-Stack software development.

  • Experience developing backend services using Ruby on Rails and/or .NET (C#).

  • Strong understanding of RESTful API design and MVC architecture.

  • Experience with ORM technologies such as ActiveRecord, LINQ, or Entity Framework.

  • Frontend development experience with Angular and modern JavaScript (ES6+).

  • Solid knowledge of HTML5 and CSS3.

  • Experience working with relational databases such as MySQL or similar systems.

  • Familiarity with authentication and security practices such as JWT or OAuth.

  • Experience working with Git-based version control systems.

  • Strong understanding of testing practices, including unit and integration testing.

  • Experience working in Agile development environments.

  • Excellent problem-solving, collaboration, and communication skills in English.

Nice to have

  • Experience with Redis caching technologies.

  • Experience with event-driven architectures using Kafka or streaming platforms.

  • Familiarity with Kubernetes-based container orchestration environments.

  • Experience with Docker-based deployments.

  • Experience working with observability and monitoring tools such as Datadog.

  • Experience with feature flag platforms such as LaunchDarkly.

  • Experience using CI/CD platforms such as GitLab Pipelines.

  • Experience working with OpenAPI / Swagger documentation frameworks.

  • Familiarity with Angular Material, Bootstrap, or modern UI component frameworks.

  • Experience with SASS or LESS CSS preprocessors.

Department
Software Engineering
Role
Full Stack Engineer (.Net / RoR / Angular)
Locations
Heredia
Remote status
Hybrid

About First Factory

For over 25 years, First Factory ​has been a place where collaborative excellence meets ​modern technologies. We’re a strong team building exceptional software solutions from Costa Rica​ and LATAM for ​primarily US-based clients. With industry-low turnover, top eNPS globally, and 5 consecutive Inc. 5000 awards, we foster an environment where talented engineers thrive on challenging projects using modern tech stacks.​

Founded in 2000
Coworkers 180+
Software Engineering · Heredia · Hybrid

Full Stack Engineer (.Net / RoR / Angular)

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