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Lead Software Engineer

Sidley Austin LLP
York, NY Full Time
POSTED ON 12/6/2025 CLOSED ON 4/24/2026

What are the responsibilities and job description for the Lead Software Engineer position at Sidley Austin LLP?

Summary

We are seeking a highly skilled Lead Software Engineer with expertise in building full-stack applications using React, .NET, Next.js, and Azure. This role will be responsible for leading technical development, conducting code reviews, and ensuring high-quality software delivery. The ideal candidate is a hands-on leader who can guide a team while also contributing directly to the codebase.

Duties And Responsibilities

  • Architect, develop, and maintain scalable full-stack applications using .NET, Python, React/Next.js on Azure.
  • Lead technical decision-making, providing expertise on best practices, architecture, and modern software development methodologies.
  • Conduct code reviews, ensuring high code quality, security, and performance optimization.
  • Collaborate with cross-functional teams, including product managers and designers, to define, design, and ship new features.
  • Mentor and coach junior and mid-level engineers, fostering a culture of growth and technical excellence.
  • Monitor and improve application performance, optimizing database queries, front-end rendering, and API interactions.
  • Ensure security best practices in web applications, including authentication, authorization, and data protection.
  • Work with DevOps teams to implement CI/CD pipelines and automate deployments on Azure.
  • Stay up to date with emerging technologies and advocate for their adoption where appropriate.

Salaries vary by location and are based on numerous factors, including, but not limited to, the relevant market, skills, experience, and education of the selected candidate. If an estimated salary range for this role is available, it will be provided in our Target Salary Range section. Our compensation package also includes bonus eligibility and a comprehensive benefits program. Benefits information can be found at Sidley.com/Benefits .

Target Salary Range

$147,700 - $191,580 if located in Boston, California, New York, Illinois, Washington, D.C., or reporting to a supervisor in Illinois.

Qualifications

To perform this job successfully, an individual must be able to perform each Essential Duty and Responsibility (the “Essential Duties”) satisfactorily. The requirements listed below are representative of the minimum knowledge, skill, and/or ability required. Reasonable accommodations may be made to enable individuals with disabilities to perform the Essential Duties. If you need such an accommodation, please email staffrecruiting@sidley.com (current employees should contact Human Resources).

Required

Education and/or Experience:

  • Bachelor’s degree in Computer Science, Software Engineering, or a related field (or equivalent experience).
  • A minimum of 5 years of experience in full-stack software development.
  • Expertise in React, .NET, Next.js, Python, and Azure.
  • Strong experience in code reviews, software design patterns, and scalable application architecture.
  • Proficiency in RESTful APIs and microservices architectures.
  • Hands-on experience with databases, such as SQL Server, PostgreSQL, or NoSQL solutions.
  • Experience with version control systems (Git) and Agile development methodologies.

Preferred

  • Experience with containerization (Docker, Kubernetes, Azure Container Apps) on Azure.
  • Knowledge of serverless computing and cloud-native applications.
  • Familiarity with unit testing frameworks and automated testing best practices.
  • Certifications in Azure or relevant technologies.

Other Skills And Abilities

The following will also be required of the successful candidate:

  • 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
  • A self-starter who desires to show ownership and commitment to the job
  • Strong customer service skills

Sidley Austin LLP is an Equal Opportunity Employer

Salary : $147,700 - $191,580

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