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Software Engineer in Longmont, Colorado at Stored Energy Systems

Recently UpdatedSalary: $116000 - $164000Job Function: Information Technology
Stored Energy Systems
Longmont, Colorado, 80503, United States
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Job Description

Who We Are

Stored Energy Systems (SENS) is an award-winning manufacturer of premium quality power conversion products located in Longmont, CO. In business for over 50 years, SENS is the market leader with a proven track record of providing highly reliable battery chargers, DC power systems, and related products to industrial markets. For more information on our company please see our web site at www.sens-usa.com.

View the SENS Product Catalog

Summary

SENS is seeking an experienced Software Engineer to join our Engineering team. This role is primarily responsible for improving and extending the Build & Test software used in our manufacturing environment, including resolving persistent performance and reliability issues that affect production.

The successful candidate will be a seasoned application developer who can work deeply within an existing codebase, diagnose difficult software and software/hardware integration problems, and deliver maintainable solutions for sustaining projects. The role will also maintain and improve customer-facing software utilities.

Responsibilities

  • Own the ongoing improvement, optimization, and reliability of SENS Build & Test software used to configure, calibrate, and test products in production.
  • Investigate and resolve complex Build & Test performance issues by profiling applications, tracing execution, and data flow, analyzing software/hardware interactions, and identifying root causes within existing code.
  • Design and develop new Build & Test functions and utilities for sustaining engineering projects, ensuring products are built and tested correctly and consistently.
  • Debug, maintain, and enhance customer-facing applications, and other desktop, mobile, or web-based tools.
  • Serve as a technical expert on SENS application software and its integration with SENS hardware for both manufacturing and customer use cases.
  • Contribute to application architecture and software component design, emphasizing maintainability, performance, automated testing, and reuse of common code, libraries, and DLLs.
  • Develop, test, document, and implement software-related engineering changes that improve manufacturing flow, product quality, and customer experience.
  • Provide escalated software troubleshooting and problem-solving support to Manufacturing, Engineering, and Customer Service.
  • Conduct code reviews and collaborate across Engineering, Manufacturing, Quality, and Customer Service to deliver robust, supportable software solutions.

    • Required Qualifications

  • Bachelor's degree in Electrical Engineering, Computer Engineering, Computer Science, or related technical field.
  • 5+ years of software engineering experience, with extensive experience developing, troubleshooting, and optimizing production-quality software utilities or applications.
  • Experience developing applications in C# and with .NET and/or .NET Core.
  • Strong command of object-oriented programming, design patterns, software architecture, and maintainable coding practices.
  • Demonstrated ability to diagnose difficult performance, reliability, and integration problems in mature or complex codebases.
  • Experience developing and deploying applications on Windows and Linux platforms.
  • Experience with relational databases, including schema design and SQL for creating, storing, retrieving, and modifying data.
  • Experience creating, running, and deploying containerized applications such as Docker.
  • Experience developing, testing, and troubleshooting software/hardware integrations.
  • Experience with scripting languages such as Bash, PowerShell, and/or Python.
  • Experience using source control platforms such as GitHub.
  • Experience conducting code reviews and providing constructive feedback to promote code quality and engineering best practices.
  • Excellent analytical, problem-solving, decision-making, written communication, and verbal communication skills, including the ability to explain technical issues and progress to technical and non-technical audiences.
  • Collaborative and flexible team player who can manage multiple priorities and build effective working relationships across the organization.


    • Preferred Qualifications

  • Experience with Entity Framework and Blazor.
  • Experience developing software utilities for product assembly, configuration, calibration, and testing in a manufacturing environment.
  • Experience using profilers, diagnostic tools, automated tests, or logging/telemetry to resolve application performance problems.
  • Experience interfacing software with test equipment such as digital multimeters, data acquisition systems, load banks, and similar instrumentation.
  • Experience with CAN bus and Modbus communication protocols.
  • Ability to read and understand electrical schematics and wiring diagrams.
  • Experience working with ERP systems in a manufacturing environment.
  • Knowledge of critical power systems, generator-set backup systems, industrial battery chargers, battery systems, or battery monitoring systems.


    • Location: Longmont, CO

    Base Compensation: $116,000 - $164,000 is the projected annual base salary range and will be determined based on the candidate’s overall qualifications and experience.


    Bonus: This position is eligible for an annual bonus based on individual and company performance.


    Closing Date: October 26th. While we expect to keep the position open through this date, the posting may be extended or closed early based on applicant volume and hiring needs.

    Onsite Perks

  • Free gym with 24/7 access
  • Free Electric Vehicle charging
  • Breakfast and Lunch Café
  • After hours Grab & Go snacks
  • Basketball court
  • Walking paths


    • Benefits

  • Paid Time Off
  • Paid holidays
  • Medical insurance
  • Dental insurance
  • Vision insurance
  • Short-term and long-term disability
  • Life insurance
  • 401(k) plan with immediate vesting
  • Employee referral program
  • Tuition reimbursement
  • Professional development


    • At SENS, our culture is rooted in a set of core values that reflect who we are and how we work. In a recent 2025 poll, our employees identified the values that best define us: “Innovative”, “Respectful”, “Inviting”, “Flexible”, “Collaborative”, and “Growth Driven”. Our team describes us as a dynamic, forward-thinking company where everyone has the opportunity to thrive.

    We pride ourselves on being an equal opportunity employer, fully dedicated to fostering inclusion and diversity. We welcome all applicants, regardless of race, color, religion, sex, sexual orientation, gender identity, genetic information, national origin, age, disability, veteran status, or any other legally protected characteristic.


    We hope you're interested in making a difference with us. Even if you don't feel that you meet every qualification listed in this job description, we still encourage you to apply.

    Job Location

    Longmont, Colorado, 80503, United States

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