Senior Software Engineer

ETAP Software
Irvine, California, United StatesFull-time$112,800–$150,500Posted Aug 26, 2026

About the role

ETAP empowers customers to make informed decisions throughout the life cycle of their projects with innovative software solutions for electrical systems. By applying ETAP solutions, customers experience continuous intelligence during design and engineering and into operations and maintenance using a unified electrical digital twin platform. ETAP supports customers in their digital transformation and sustainable energy transitions for a green and smart future, helping them to prioritize safety, maximize reliability, and stay resilient.

Our employees' passion for excellence, innovation, and customer satisfaction is our most-prized resource. If you share that passion — and want to be part of a company that leads the energy transition towards a cleaner and more resilient world for future generations — we invite you to join us!

ETAP is committed to creating a diverse work environment and is proud to be an Equal Opportunity Employer.

Job Title: Senior Software Engineer

Location: Irvine, CA

Employment Type: Full-time

Position Overview

We are looking for a talented and forward-thinking Senior Software Engineer to join our R&D team. This role is perfect for someone who enjoys building robust desktop applications, solving complex technical challenges, and working on impactful products in the energy domain.

You’ll collaborate with a highly skilled team to design and develop high-performance software while continuously improving code quality, scalability, and user experience.

What You’ll Do

Design, develop, and maintain high-performance Windows desktop applications

Collaborate with product managers, engineers, and QA teams to deliver new features and enhancements

Build and optimize database-driven solutions with a focus on performance and scalability

Write clean, maintainable, and efficient code following best practices

Contribute to architectural decisions and technical direction

Continuously improve development processes, code quality, and system performance

Troubleshoot and resolve complex technical issues

What You Bring

7+ years of experience in Windows desktop application development

Strong proficiency in C++, C#, and Visual Studio

Solid experience working with ODBC, SQL Server, and LocalDB

Deep understanding of database design, SQL queries, stored procedures, and performance tuning

Experience with multithreading and parallel programming

Strong knowledge of object-oriented design principles and STL

Good understanding of Windows architecture and backend systems

Excellent problem-solving and analytical skills

Bachelor’s degree in Computer Science, Computer Engineering, or a related field

U.S. citizenship or permanent residency required. No visa sponsorship will be provided

Salary Range: $112,800.00 - $150,500.00

This pay range represents the minimum and maximum compensation that the position offers, and final compensation can vary within the range depending on work location, job experience, skills, and relevant educational attainment and/or training.

ETAP requires all successful applicants to undergo and pass a comprehensive background check before they start employment. Background checks will be conducted in accordance with local laws and may, subject to those laws, include proof of educational attainment, employment history verification, proof of work authorization, criminal records, identity verification, credit check. Certain positions dealing with sensitive and/or third party personal data may involve additional background check criteria.

ETAP is an Equal Opportunity Employer. We are committed to being an exemplary employer with an inclusive culture, developing a workplace environment where all our employees are treated with dignity and respect. We value diversity and the expertise that people from different backgrounds bring to our business.

Come and join ETAP to create the transformative technology that enables our customers to engineer a better world.

Responsibilities

  • Design, develop, and maintain high-performance Windows desktop applications
  • Collaborate with product managers, engineers, and QA teams to deliver new features and enhancements
  • Build and optimize database-driven solutions with a focus on performance and scalability
  • Write clean, maintainable, and efficient code following best practices
  • Contribute to architectural decisions and technical direction
  • Continuously improve development processes, code quality, and system performance
  • Troubleshoot and resolve complex technical issues

Qualifications

  • 7+ years of experience in Windows desktop application development
  • Strong proficiency in C++, C#, and Visual Studio
  • Solid experience working with ODBC, SQL Server, and LocalDB
  • Deep understanding of database design, SQL queries, stored procedures, and performance tuning
  • Experience with multithreading and parallel programming
  • Strong knowledge of object-oriented design principles and STL
  • Good understanding of Windows architecture and backend systems
  • Excellent problem-solving and analytical skills

Skills mentioned

C++C#SQLMicrosoft SQL ServerDatabase DesignQuery OptimizationMultithreadingPerformance OptimizationDebuggingSystem Design

About ETAP Software

Optimize, simulate, and control electrical systems with confidence across utilities, infrastructure, manufacturing, and building sectors. Built on 40 years of expertise, ETAP is a global leader in electrical digital twin solutions and power system simulation. The ETAP portfolio, including ETAP, SEE, and Caneco, provides engineers, designers, operators, and panel builders with the tools to design, analyze, operate, and optimize electrical systems safely, reliably, and efficiently throughout their full lifecycle. From cable sizing and panel design to arc flash safety, microgrid integration, and data center resiliency, ETAP solutions deliver insight, control, and operational performance tailored to your needs even in the most regulated environments. Our comprehensive training programs ensure engineers, operators, and designers can fully leverage ETAP tools, enhancing expertise, compliance, and operational confidence at every stage of the electrical system lifecycle. With AI-enabled automation, cloud-ready technology, and a unified platform, ETAP empowers accelerated digital transformation, reduces risk, and optimizes energy usage, improving the safety, reliability, and efficiency of electrical infrastructure. Trusted by engineers worldwide, ETAP defines efficiency and resilience with field-proven technology, delivering continuous energy intelligence for the complete electrical lifecycle. Innovation Highlight: ETAP powers next-generation solutions including the world’s first AI Factory power simulation from chip to grid integrated with NVIDIA Omniverse, enabling predictive maintenance, advanced energy efficiency, and reduced total cost of ownership. Learn more at etap.com

Software Development1,001-5,000 employeesIrvine, CA