Software Application Engineer – Power Conversion

Nextpower Inc; Sorocaba; Hybrid; BRL 120,000 - 150,000; Full time

Job summary

Nextpower Inc. is seeking a Software Application Engineer to develop software tools, test automation scripts, GUIs, and application-level solutions for power conversion systems.

You will collaborate with firmware, electrical, controls, and test teams to automate validation and provide reliable configuration and monitoring tools. The role emphasizes Python, GUI development with PyQt, CI/CD practices in Azure DevOps, and integration with embedded systems, data visualization, and cybersecurity

Qualifications

• Bachelor’s degree in software or related field and 3+ years of software tool development experience.
• Strong Python programming and object-oriented design skills.
• Experience building GUI tools with PyQt/PySide/Tkinter and data visualization.
• Familiarity with CI/CD using Azure DevOps and version control with Git.

Responsibilities

• Develop software applications, scripts, and utilities to support product development and validation.
• Create automated test frameworks for lab, HIL, SIL, and hardware tests.
• Develop GUIs and web interfaces for device configuration, monitoring, and diagnostics.
• Implement communication interfaces (UART, Ethernet, Modbus, CAN, TCP/IP) with embedded systems.
• Collaborate with firmware and controls teams to define interfaces and ensure reliability.

Skills

Python

PyQt

CI/CD

Git

Embedded comms

Data viz

Azure DevOps

Security basics

Education

Bachelor's degree in Software Engineering

Bachelor's degree in Electrical Engineering

Tools

Docker

Linux

Azure DevOps

Git

Job description

Software Application Engineer – Power Conversion### Software Application Engineer – Power ConversionApply: Hybrid: Sorocaba, Sao Paulo - BRA: Full time: Posted Today: End Date: December 21, 2026 (30+ days left to apply): NX-4797**Job Description:****Position Overview** We are seeking a Software Application Engineer to develop software tools, test automation scripts, graphical interfaces, and application-level solutions that support the development, validation, and operation of power conversion systems.This role will work closely with Firmware, Electrical, Controls, Systems, and Test Engineering teams to improve development efficiency, automate validation activities, and provide reliable tools for configuring, monitoring, and analyzing power conversion products.**Key Responsibilities** * Develop software applications, scripts, and utilities to support product development, commissioning, troubleshooting, and validation.* Create and maintain automated test frameworks for laboratory, HIL, SIL, and hardware-based testing.* Develop graphical user interfaces, web interfaces, and engineering tools for device configuration, monitoring, data visualization, and diagnostics.* Implement communication interfaces with embedded systems and test equipment using protocols such as UART, Ethernet, Modbus, CAN, TCP/IP APIs.* Develop scripts for test sequencing, data acquisition, result analysis and report generation.* Integrate scripts into Azure DevOps or similar CI/CD pipelines.* Support the creation of reusable software architectures, libraries, APIs, and documentation.* Collaborate with Firmware Engineering to define interfaces between PC applications, embedded software, and power conversion products.* Support software releases, version control, issue tracking, and configuration management.* Promote best practices related to code quality, cybersecurity, maintainability, and software reliability. **Qualifications** * Bachelor’s degree in Software Engineering, Electrical Engineering, Automation Engineering, or a related field.* At least three years of professional experience developing software applications, engineering tools, or automation scripts.* Strong programming skills in Python and experience with object-oriented programming.* Experience developing graphical user interfaces using frameworks such as PyQt, PySide, Tkinter, or equivalent.* Experience with Git and software development workflows.* Experience using AI-assisted software development tools, with the ability to review and validate generated code.* Familiarity with CI/CD concepts and tools such as Azure DevOps.* Experience working with communication protocols, APIs, data logging, and automated testing.* Ability to troubleshoot software and hardware integration issues.* Experience developing web applications or embedded web interfaces.* Knowledge of embedded systems, microcontrollers or firmware development.* Knowledge of Docker, Linux, databases, data visualization, or cloud-connected systems.* Knowledge in automated report generation and engineering data analysis.* Knowledge of cybersecurity principles for industrial or embedded systems.* Experience working with requirements management and issue-tracking tools such as Jira or similar platforms.* Good written and verbal communication skills in English.* Ability to work collaboratively with distributed and cross-functional engineering teams. At Nextpower, we are driving the global energy transition with an integrated clean energy technology platform that combines intelligent structural, electrical, and digital solutions for utility-scale power plants. Our comprehensive portfolio enables faster project delivery, higher performance, and greater reliability, helping our customers capture the full value of solar power. Our talented worldwide teams are redefining how solar power plants are designed, built, and operated every day with smart technology, data-driven insights, and advanced automation. Together, we’re building the foundation for the world’s next generation of clean energy infrastructure.