Senior Software Engineer

Sidley Austin LLP•Chicago, IL

14d•$180,000 - $200,000•Hybrid

About The Position

The Senior Software Engineer is a hands-on technical contributor responsible for building and maintaining automation solutions on our cloud-native platform. This role requires strong software engineering fundamentals combined with cloud architecture knowledge—you'll be writing C# backend APIs, TypeScript custom nodes, Infrastructure-as-Code, and designing event-driven workflow architectures.

Requirements

Bachelor's degree in Computer Science, Software Engineering, Information Systems, or related technical field; or equivalent professional experience with demonstrable software development skills
A minimum of 4 years of professional software development experience building web applications, APIs, or distributed systems
A minimum of 2 years of experience with cloud platforms (Azure preferred, AWS/GCP acceptable with Azure learning commitment)
Experience with at least one of: ASP.NET Core or Node.js, Spring Boot, Django, or equivalent backend framework
Understanding of object-oriented programming principles (SOLID, DRY, KISS), Async/await patterns, Task-based asynchronous programming, Dependency injection, inversion of control, LINQ queries and lambda expressions
Basic understanding of Entity Framework Core or similar ORM
Proficiency with TypeScript including types, interfaces, generics, and decorators
Node.js development: Async programming with Promises and async/await, REST API consumption using fetch/axios/http clients
Unit testing with xUnit, Jest, or equivalent testing frameworks
Hands-on experience with at least 3 of the following: Azure Container Apps or Azure App Service, Azure Storage, Azure SQL Database or Azure PostgreSQL, Azure Key Vault, Azure Service Bus, Application Insights
Docker fundamentals (Dockerfile, image building, container running)
CI/CD pipeline concepts (build, test, deploy stages)
Azure DevOps or GitHub Actions experience (modifying YAML pipelines)
Distributed Systems Understanding: Asynchronous messaging patterns, API integration, Error handling, Idempotency, Data consistency, Observability
Experience with n8n, Zapier, Make, Power Automate, Apache Airflow, Temporal, or Prefect
Strong organizational skills
Strong attention to detail
Good judgment
Strong interpersonal communication skills
Strong analytical and problem-solving skills
Able to work harmoniously and effectively with others
Able to preserve confidentiality and exercise discretion
Able to work under pressure
Able to manage multiple projects with competing deadlines and priorities

Nice To Haves

Experience with Microsoft Graph API, Redis, .NET Aspire, MediatR, FluentValidation and Polly
Azure certifications: AZ-204 (Developing Solutions for Microsoft Azure), AZ-104 (Azure Administrator)
Azure networking: Understanding of VNETs, private endpoints, Network Security Groups, and DNS resolution
Professional services industry experience (legal, financial services, accounting, consulting)
Data integration: ETL patterns, data mapping, schema transformation, data quality validation
Security and compliance: Understanding of data privacy, PII handling, audit logging, and SOC 2 requirements

Responsibilities

Implement CQRS handlers using MediatR pattern
Build ASP.NET Core Web API endpoints with Controllers pattern
Implement Entity Framework Core data access layer
Build custom n8n nodes for enterprise integrations
Design and implement n8n workflows for business process automation including email processing, document routing, data synchronization, and API integrations
Translate business requirements into technical workflow specifications with data flow diagrams and sequence diagrams
Implement complex data transformations using JavaScript/Python code nodes
Design event-driven architectures using Service Bus triggers and webhook patterns
Optimize workflow performance through batch sizing, parallel processing, and work distribution
Apply data/control plane separation: store large data in Data Tables/SQL/Blob Storage, pass references in messages
Implement error handling strategies including retry logic, dead-letter queue handling, and compensating transactions
Write workflow documentation including data schemas, error scenarios, and operational runbooks
Troubleshoot production issues including workflow failures, API integration errors, and Azure service connectivity
Conduct code reviews for peer pull requests focusing on code quality, security, and architectural patterns
Contribute to platform improvements including CI/CD pipeline enhancements, observability, and developer tooling
Document technical designs, API contracts, and integration patterns