API Software Engineer (W2 Hybrid)

Posted 23 Days Ago
Chicago, IL, USA
Hybrid
Mid level
Artificial Intelligence • Blockchain • Information Technology • Software
The Role
Design, build, and maintain scalable, secure backend services and REST/GraphQL APIs. Integrate data pipelines, apply CI/CD and containerization (Docker/Kubernetes), write unit/integration tests, monitor performance, troubleshoot issues, and document API specs while collaborating with cross-functional teams.
Summary Generated by Built In

We own our architecture end-to-end — from design to deployment to production operations. This is a team for engineers who want real technical ownership, real scale, and real-world impact.


Job Purpose

As a Senior Software Engineer on the API & Infrastructure team, you will design and build distributed, cloud-native systems that power precision agriculture at global scale.
 

This role is not just limited to implementing tickets. You will:

  • Help to architect highly available, resilient APIs serving millions of requests daily
  • Design scalable data access patterns across relational, NoSQL, and object storage systems
  • Drive technical direction for cloud-native application development in Azure
  • Contribute to and help evolve our agile engineering practices
  • Own services from concept through deployment and production operations
  • Mentor engineers while raising the technical bar across the team
  • Provide recommendations and AI-assisted workflows on tooling to increase productivity and delivery speed

 

You will play a key role in shaping the backbone that connects agricultural machines in the field to customer-facing applications and advanced analytics platforms in the cloud.


Key Responsibilities

Architecture & System Design

  • Design and implement scalable, highly available RESTful APIs using C# and modern .NET
  • Define and evolve service architectures supporting high throughput and low latency
  • Make informed decisions around distributed systems tradeoffs (consistency, availability, scalability)
  • Collaborate with internal stakeholders to define reliable data contracts and service boundaries

 

Cloud & Infrastructure Ownership

  • Build and maintain cloud-native services in Microsoft Azure
  • Containerize applications using Docker
  • Design and maintain CI/CD pipelines in GitLab
  • Implement infrastructure patterns that support resiliency, fault tolerance, horizontal scalability, and cost efficiency

 

Performance, Reliability & Observability

  • Optimize APIs for performance under heavy load— including the seasonal spikes that come when millions of acres of equipment hit the field simultaneously during planting and harvest
  • Implement structured logging, tracing, and monitoring using tools such as Datadog
  • Participate in production support and incident response
  • Continuously improve system reliability and operational maturity

 

Engineering Excellence

  • Write clean, maintainable, well-tested code
  • Conduct thoughtful code reviews and mentor junior engineers
  • Lead or influence technical initiatives across teams
  • Contribute to architectural standards and long-term technical strategy
  • Champion automation, AI-assisted development practices, and continuous improvement

Experience Required

  • Experienced engineer with 5+ years of career experience, with Bachelor’s degree.  3+ years experience with Master’s degree.  
  • Or equivalent combination of education and experience.  
  • Demonstrated leadership abilities.  
  • Capable of defining appropriate approaches and solutions.  
  • Furthers knowledge of profession through continued education and/or seeking or providing mentorship.   

Preferred Qualifications

  • Strong experience with C#, ASP.NET Core, and modern .NET
  • Experience building cloud-native applications (preferably in Microsoft Azure or AWS)
  • Experience with Git-based version control systems (GitLab, Azure DevOps, or similar)
  • Experience with relational databases (preferably SQL Server) and data modeling
  • Experience designing and consuming RESTful APIs
  • Experience with CI/CD pipelines and DevOps practices
  • Experience with unit testing frameworks (NUnit, xUnit, MSTest, or similar)
  • Experience working in an Agile team environment
  • Familiarity with agricultural technology, telemetry systems, or data-intensive platforms is a plus


Skills Required

  • Bachelor's degree in Computer Science, Engineering, or related field
  • 4-6+ years in backend/API development
  • Proficiency in Java, Node.js, or Python
  • Experience with API management platforms (Apigee, Kong, Layer7, etc.)
  • Strong knowledge of cloud platforms (AWS, Azure, or GCP)
  • Familiarity with data integration, microservices, and event-driven architecture
  • Experience with CI/CD, automation, and containerization (Docker/Kubernetes)
  • Experience writing unit and integration tests; test-driven development
  • Strong communication, problem-solving, and collaboration skills
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The Company
23 Employees

What We Do

Performix Business Services LLC is a Minnesota-based technology company specializing in custom software development and IT consulting. Founded in 1997, the firm provides innovative AI, blockchain, cloud, IoT, and Web3 solutions for SMBs, enterprises, and government agencies. They focus on driving business efficiency and digital transformation through software solutions, IT training, and project outsourcing.

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