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Senior Software Engineer (.Net/API/AWS)

SkySys
Full-time San José, San Jose Computer Occupations
Posted:
June 05, 2026
Location:
San José, San Jose, Costa Rica

Job Description


Role: Senior Software Engineer (.Net/API/AWS)
Position Type: Full-Time Contract (40hrs/week)

Contract Duration: 6 months+ (With a Possibility of Contract-To-Hire)

Work Schedule: 8 hours/day (Mon-Fri)

Location: Hybrid - 2x days onsite in Heredia, Costa Rica

Requirements & Qualifications:

  • 10+ years of working experience in an enterprise software development environment.
  • Strong background in API tier and middle tier development utilizing ASP.Net Core/ C#.
  • Extensive experience with Microsoft .NET, ASP.NET MVC, API, ASP.NET Core technologies.
  • Strong working experience with cloud development on the Amazon Web Services (AWS) platform with services including API Gateway, Lambda, EC2, ECS, SQS, SNS, Fargate, DynamoDB/AuroraDB.
  • Expert knowledge of architecture and design fundamentals with design patterns, data structures and application scalability/reliability.
  • So...

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    Job Overview

    Job Type: Full-time
    Location: San José, Costa Rica
    Posted: June 05, 2026
    Deadline: July 15, 2026