Senior API Engineer (.NET, GraphQL) - Azure - English Required job opportunity at DaCodes.

Home Jobs In Argentina Tag: GraphQL) - Azure - English Required Senior API Engineer (.NET, GraphQL) - Azure - English Required position at DaCodes


Date2026-01-30T01:23:58.214Z bot
DaCodes Senior API Engineer (.NET, GraphQL) - Azure - English Required
Experience: 10-years
Pattern: full-time
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GraphQL) - Azure - English Required

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Argentina

Work at DaCodes! We are a high-impact software and digital transformation firm. For over 10 years, we have built technology-driven solutions powered by innovation, thanks to our team of nearly 300 talented #DaCoders, including developers, architects, UX/UI designers, PMs, QA testers, and more. Our team collaborates on projects with clients across LATAM and the United States, delivering outstanding results. At DaCodes, you’ll have the opportunity to accelerate your professional growth, work on diverse projects across multiple industries, and contribute to the design, implementation, and optimization of cloud-based infrastructures. Our DaCoders play a critical role in the success of our business and our clients. You’ll be the expert contributing to impactful projects and working with disruptive startups and global brands. Interested? As a Senior API Engineer (.NET, GraphQL) , you will take full ownership of mission-critical APIs , designing, building, and operating high-performance, scalable GraphQL and backend services running in production on Microsoft Azure . This role goes beyond implementation. You will be accountable for API performance, reliability, scalability, and long-term maintainability , working closely with product, platform, and DevOps teams to ensure APIs support real business needs at scale. REQUIREMENTS Key Responsibilities Design, build, and own GraphQL APIs using C# .NET , optimized for performance and scalability. Define schemas, resolvers, and data access patterns for complex, distributed systems. Ensure best practices in API design, versioning, documentation, observability, and security . Take end-to-end ownership of APIs: from design and development to deployment and production support. Identify, troubleshoot, and resolve performance bottlenecks in APIs and backend services. Optimize query execution, caching strategies, and data modeling. Deploy and operate distributed services on Microsoft Azure , ensuring high availability and reliability. Collaborate with DevOps and platform teams on monitoring, incident response, and continuous improvement. Integrate APIs with event-driven workflows when required (Kafka or similar systems as supporting components). Contribute to architectural decisions and mentor other engineers. Desired Profile Experience & Seniority Senior-level profile with 5+ years of experience in backend or API engineering. Proven experience owning APIs in production environments . Technical Skills Strong expertise in C# .NET and the .NET ecosystem. Hands-on experience designing and operating GraphQL APIs . Solid understanding of API performance optimization and distributed systems. Experience with Microsoft Azure (compute, networking, monitoring). Strong knowledge of relational and/or NoSQL databases and data modeling. Familiarity with RESTful APIs and microservices architectures. Soft Skills Strong sense of ownership and accountability . Proactive problem solver with a production mindset. Clear communicator, comfortable collaborating with cross-functional teams. Ability to balance technical excellence with business impact. Nice to Have Experience with Kafka or event-driven architectures. Docker and containerized environments. Kubernetes or orchestration platforms. Experience with high-throughput or real-time systems. Additional Requirements English: Advanced (spoken and written) . Availability to work with distributed teams. Open to remote collaboration across LATAM time zones.

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