Software Engineer III

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Puzzle

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2021

🎯 Recruiter

🤝 B2B

Recruitment • B2B

Puzzle is a staffing and recruiting firm that connects businesses with top Latin American technology talent. They specialize in engineering staff augmentation and building dedicated engineering teams—providing developers, product managers, QA, and other technical roles to help companies scale. Puzzle focuses on nearshore, technical staffing for organizations seeking skilled IT and engineering professionals.

📋 Description

• Lead the design and implementation of complex features and services across the SaaS platform using C# and .NET • Collaborate with architects and product managers to define technical requirements and system architecture • Write high-quality, maintainable, and well-tested code across the full stack, including Blazor and ASP.NET MVC • Conduct code reviews and provide technical mentorship to junior and mid-level engineers • Identify and resolve performance, scalability, and reliability issues in distributed systems • Contribute to the evolution of engineering best practices, tools, and development processes • Participate in sprint planning, backlog grooming, and cross-functional technical discussions • Apply design patterns and SOLID principles to ensure maintainable and extensible code • Implement unit testing using MSTest, xUnit, or NUnit • Utilize Domain-Driven Design and microservices architecture to support scalable solutions • Author precise, testable specifications, acceptance criteria, and lightweight design documents for AI-agent implementation • Use AI coding agents such as Claude Code and GitHub Copilot for feature delivery, refactoring, test generation, and documentation while retaining ownership of correctness, security, and maintainability • Help establish team standards for AI-assisted engineering, including agent instructions and human review gates

🎯 Requirements

• Bachelor’s degree in Computer Science, Software Engineering, or a related field, or equivalent practical experience • 5–8 years of professional software development experience, preferably in a SaaS or cloud-native environment • Proficiency in C# and .NET Core/.NET Framework • Experience with Blazor and ASP.NET MVC • Strong understanding of RESTful APIs using .NET, microservices architecture, and relational/non-relational databases such as SQL Server and Azure Cosmos DB • Experience with Git, CI/CD pipelines such as Azure DevOps, and Agile development practices • Preferred: Experience with Microsoft Azure and container orchestration such as Docker and Azure Kubernetes Service • Preferred: Familiarity with observability tools such as Azure Monitor and Application Insights and performance tuning • Preferred: Background in SaaS challenges including multi-tenancy, usage metering, and feature flagging • Preferred: Experience with NuGet packages such as AutoMapper, MediatR, FluentValidation, and Entity Framework Core • Preferred: Experience with agentic development workflows and tooling such as Claude Code, GitHub Copilot agent mode, and Model Context Protocol servers integrated into CI/CD • Preferred: Experience evaluating AI-generated code for security, licensing, and quality risk and defining team-wide guardrails • Preferred: Exposure to AI-enabled product features such as Azure OpenAI, retrieval-augmented generation, and prompt orchestration

🏖️ Benefits

• Competitive Salary: Earn a USD salary that matches your skills and experience • Paid Time Off: Generous PTO to support your work-life balance and recharge • Health Insurance Subsidy: Financial assistance to support your healthcare coverage • Annual Salary Reviews: Structured annual evaluations to recognize and reward performance • Paid Training & Certifications: Continuous support for professional growth and upskilling