Remote Source

    Full Stack Technical Lead - .NET/React

    Costa Rica
    Full-Time
    Senior (7+ yrs)
    Engineering & Development
    Leadership
    Posted on March 26, 2026

    🌟 Accomplished Tech Visionary:

    Elevate your expertise to new heights at 3Pillar, the premier destination for trailblazing senior software engineers like yourself. Picture collaborating with industry leaders, spearheading transformative projects that redefine urban living, establishing new media channels for enterprise companies, or driving innovation in healthcare. Our mission is to revolutionize the tech landscape, and your skills are integral to achieving this ambitious goal.

    Your role extends beyond the realm of code composition; you will architect transformative solutions that reshape entire industries. Join us and spearhead the charge toward a tech future that transcends the ordinary. 🔮🌐

    Key Responsibilities
  1. Facilitate effective communication with client project stakeholders regarding project status and recommendations.

  2. Craft client code that is not just efficient but also performant, testable, scalable, secure, and of the highest quality.

  3. Actively participate in accurate planning and estimation efforts, utilizing project methods and tools.

  4. Proficiently gather requirements and organize/present developed features for clients.

  5. Execute complex activities within the current methodology and quality standards, showcasing success across diverse engagements.

  6. Promote client success across the team by collaborating with engineers, designers, and managers to understand user pain points, anticipate potential problems, and iterate on solutions that drive client success.

  7. Engage in agile software development, including daily stand-ups, sprint planning, team retrospectives, and other governance activities.

  8. Actively participate in the Engineering Practice community, mentoring others through Communities of Practice (CoPs) or on project teams and supporting the growth of technical capabilities.

  9. Independently drive project delivery within defined architecture, demonstrating autonomy and accountability in all stages from conceptualization to deployment.

  10. Minimum Qualifications:

    -A minimum of 5+ years of experience/expertise in the following areas:

  11. Backend

  12. .Net

  13. Python

  14. Frontend

  15. ReactJS

  16. JavaScript / TypeScript

  17. Database

  18. MySQL

  19. SQL (queries, indexing, joins, etc.)

  20. Testing

  21. JUnit

  22. Mockito

  23. JUnit Jupiter

  24. API & Data Exchange

  25. Microservices

  26. RESTful APIs

  27. JSON

  28. Authentication

  29. Understanding of authentication/authorization mechanisms

  30. Familiarity with OAuth 2.0, JWT, or Microsoft identity (Azure Active Directory)

  31. Version Control & Collaboration

  32. Git

  33. Agile / Scrum methodology

  34. General Knowledge / Nice to have

  35. Basic knowledge of Cloud platforms (Azure)

  36. Familiarity with CI/CD pipelines

  37. Understanding of DevOps practices (deployment, scripting, basic system operations)

  38. -Experience in Agile software development methodologies.

    -Expertise in applying Object-Oriented Programming principles (abstraction, encapsulation).

    -Experience in creating and implementing well-tested, scalable, and performant enterprise-level systems.

    -Practice and initiative mentoring other engineers and decision-makers throughout the organization.

    -Good understanding of SOLID principles.

    -Proficiency in the English language.

    Additional Experience Desired:
  39. Experience with Azure cloud services

  40. Familiarity with OpenAPI specifications

  41. Familiarity with monitoring tools like Grafana and Prometheus

  42. Experience using database backup tools

  43. Experience working with API Gateways

  44. Understanding of authentication/authorization protocols (e.g., LDAP, OAuth)

  45. Experience with MDC (Mapped Diagnostic Context) logging and log aggregators (e.g., Graylog, VictoriaMetrics)

  46. Benefits:
  47. Medical Insurance benefits as per company policy.
  48. Life Insurance as per company policy
  49. 12 days of paid vacation, sick leave and paid holidays as per local law
  50. Paternity and maternity leave as per as per local law
  51. Marriage, bereavement and graduation leaves as per company policy
  52. Sick leave and paid holidays as per local law
  53. Christmas bonus as per local law
  54. Saving Fund “Asociacion Solidarista”
  55. Beach house (Managed by the Asociacion Solidarista)
  56. Discounts in local shops
  57. Direct deposit of payroll.
  58. Paid professional certifications
  59. #LI-Remote
    Apply for this position

    Company:  3Pillar

    Product development and digital transformation services firm.
    1001-5000 employees
    Software & IT Services
    HQ: United States