Java Software Engineer (m/w/d)
Sol-Ark
Company Overview
Sol-Ark
Allen, TX, United States
2013
Approximately 180 employees and generated $65.1 million in revenue (latest available figure, pre-2023 expansion) (source: zoominfo.com).
What They Do
Sol-Ark is a privately held, veteran-owned solar and energy storage technology company that specializes in hybrid inverters and battery energy storage systems designed for solar integration. Their innovative all-in-one designs combine inverters, MPPT charge controllers, monitoring, and grid interactivity, making them suitable for grid-tied, off-grid, hybrid, and backup applications. This technology is particularly notable for its lightweight construction, being three times lighter than legacy systems, which enhances efficiency and ease of installation (source: zoominfo.com). The company has developed six generations of products, with a seventh in development, and has expanded its offerings to include electric vehicle chargers, string inverters, micro-inverters, and load management devices (source: sol-ark.com). Their target markets include residential, small commercial, and industrial segments, with clients ranging from individual homeowners to Fortune 50 companies and defense organizations.
Projects & Track Record
While specific completed projects are not detailed in available sources, Sol-Ark's systems are utilized in a variety of applications, including residential whole-home backups, commercial decarbonization sites, off-grid resorts, and critical infrastructure for defense and space agencies. Their products are deployed through partnerships with companies like Unbound Solar and NAZ Solar Electric, facilitating installations for both roof and ground mounts as well as generator-tied setups (source: sol-ark.com). The company is also engaged in ongoing expansions that include fleet-level commercial deployments and battery-only installations, which are part of their strategy to enhance resilience and optimize costs for businesses (source: sol-ark.com). Their geographic presence spans the U.S. and international markets, supported by a network of thousands of distributors and installers.
Recent Developments
In recent years, Sol-Ark has made significant strides in its product offerings and corporate achievements. Notably, on May 8, 2024, they announced the launch of the Commercial L3 Series Battery Energy Storage System aimed at business decarbonization and resilience (source: zoominfo.com). Additionally, on November 20, 2023, CEO Tom Brennan was honored with the EY Entrepreneur Of The Year 2023 National Award for his contributions to energy technology, highlighting the company's nine consecutive years of profitable growth and commitment to employee rewards (source: zoominfo.com). The company also relocated its headquarters to a new facility in Allen, Texas, which spans over 300,000 square feet, as part of its preparations for an IPO in 2024 (source: sol-ark.com).
Working There
Sol-Ark offers a variety of roles across product assembly, engineering, manufacturing, sales, and support, particularly as they expand their operations in Allen, Texas. With approximately 180 employees, the company emphasizes a culture of innovation led by veterans, focusing on the mission of protecting families through reliable energy solutions (source: sol-ark.com). The company has a strong commitment to employee performance incentives, including over $1 million awarded to employees, and is preparing for stock sharing as part of their upcoming IPO (source: zoominfo.com). Their workplace culture is characterized by a focus on resilience and reliability, with products designed to withstand harsh environments and provide dependable energy solutions.
Last updated on 2026-02-23 | Report an issue
Job Description
Seeking Java Software Engineer proficient in developing high quality and high reliability middleware and backend enterprise grade custom applications. The ideal candidate will have a strong technical background, excellent problem-solving skills, and some experience delivering high-quality software solutions.
Key Job Responsibilities
- Experience in DevOps, maintaining AWS Infrastructure Storage, Compute & Network
- Experience in setting up ECS, DB, Java Cloud
- Experience in deployments of customer Java/JEE software using Containers, Dockers(maintaining multiple environments i.e. integration, AQ and production)
- Design and develop high quality java custom enterprise software applications in AWS cloud, ensuring adherence to project specifications, timelines, and quality standards.
- Collaborate with cross-functional teams i.e. hardware engineers, firmware engineers, and system architects, to design and develop software systems and interfaces.
- Develop optimized code for high availability, scalable and cost contained cloud systems.
- Debug and troubleshoot software, cloud configurations, and firmware integration issues, utilizing appropriate tools and techniques.
- Conduct code reviews to ensure software quality and maintainability.
- Design and implement software to work with relational and NoSql databases
- Ability to manage and run DB SQL dumps, scripts and help with data mining.
- Develop CI/CD pipelines to build, deploy on-demand micro-services and enterprise java applications and software systems and APIs.
- Work with test automation to maintain CI/CD pipelines for all software projects.
Skills and Experience
- Experience using latest enterprise Java 17+ and Spring IoC Frameworks
- Experience developing Micro-Service and Event Driven Architectures
- Experience developing MQTT, Kafka Streams, messaging systems, and Data streaming Solutions for real time and near real time Iot applications
- Experience in relational and NoSQL databases (i.e. MongoDB, MySQL, Postgres).
- Experience in design and development of RESTFUL Web Services
- Experience in lightweight Server-side technologies (Spring Boot, GoLang, Next.js, NodeJS, Scala).
- Familiarity with software development methodologies, i.e. Agile or Scrum.
- Proficient knowledge of modern software security concepts (i.e. TLS 1.2+).
- Kknowledge of Ansible, Terraform and DOCKER or similar toolsets
- DevOps to deploy front-end, back-end components and databases to the AWS cloud
- Familiarity with Code Quality tools i.e. SonarCube, Corbeturra, KLOCKWORK etc
- Familiarity with Unit testing frameworks for developing bug free software applications.
- Familiarity with software configuration management tools and version control systems.
- Self-starter, with ability to work independently to deliver against aggressive timelines.
- Excellent communication skills to collaborate with multidisciplinary teams.
- Strong analytical and problem-solving abilities, with an attention to detail.
Desired Qualifications
- Bachelor's or Master's in computer engineering or computer science or electrical engineering, or a related field from an accredited US university or renowned international university.
- Experience with AWS Cloudwatch and/or other monitoring platforms i.e. Graphana
- Experience in developing software for real-time IOT applications.
- Knowledge of scripting languages (Python, Perl, YAML etc.) for CICD automation.
- Familiarity with TLS 1.3 implementations.
- Experience in one or more Web development technologies (VueJS, ReactJS, Angular).
- Understanding of electrical systems and power distribution.
- Stay up to date with industry trends and emerging technologies related to cloud.
Benefits
Contractor - hourly rate (depending on experience).
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About the role
February 19, 2026
Contract Position
Company
February 21, 2026
On-site
- Allen, Texas, United States
2+ years
UTC-06:00
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