Senior Software Developer (Backend)

TL;DR

Senior Software Developer (Backend) (C#/.NET): Design, build, and maintain high-performance server-side APIs and microservices for Slingshot SaaS work management platform with an accent on scalability, real-time data synchronization, and analytics infrastructure. Focus on architecting data models, optimizing databases across relational and NoSQL systems, and implementing security and reliability features.

Location: Uruguay (Remote)

Company

Product-led team building Slingshot, a data-driven SaaS platform unifying project management, analytics, collaboration, and goal tracking.

What you will do

• Design, build, and maintain robust, high-performance server-side APIs and microservices
• Architect scalable data models and optimize database queries across relational and NoSQL systems
• Contribute to data pipeline and analytics infrastructure for real-time business intelligence
• Implement API versioning, rate limiting, authentication/authorization, and security best practices
• Write clean, well-tested code and conduct code reviews to uphold engineering standards
• Collaborate with Product, Frontend, and DevOps teams; mentor juniors; influence technical roadmap

Requirements

• 7+ years of professional backend/server-side software development experience
• Deep proficiency in C#/.NET
• Strong experience with MongoDB
• Experience with cloud platforms (AWS or Azure), including serverless and containerized deployments
• Familiarity with Docker, Kubernetes, and CI/CD pipelines
• Strong grasp of data structures, algorithms, distributed systems; Agile/Scrum experience

Nice to have

• Experience building SaaS products with multi-tenant architecture
• Background in analytics, BI tooling, or data pipeline development
• Prior experience with enterprise software integrations (OAuth, webhooks, third-party APIs)

Culture & Benefits

• High ownership and influence over technical direction as senior individual contributor
• Product-led team focused on performance, reliability, and scalability
• Collaboration across Product Management, Frontend, and DevOps