Software Engineer

Rhombus Power, Inc.; Washington; On-site; USD 115,000 - 155,000; Full time

Benefits offered by this job

Medical, dental, vision coverage

401k matching

PTO and holidays

Bonus programs

Mental health program

FSAs

Job summary

Rhombus Power, Inc. is seeking a Software Engineer to design and implement innovative software solutions, collaborating across departments to bring our AI-driven platform to life.

You will work closely with the product team to translate user needs into scalable backend and frontend components, while engaging with clients and leading training sessions to refine the platform. The role emphasizes a startup culture, strong technical fluency, and the ability to switch between individual contributor

Qualifications

• Bachelor's or Master's degree in Science, Mathematics, Engineering, or related discipline.
• 5+ years of experience in full-stack software development with a focus on Node.js.
• Strong system design skills for scalable, high-performance software.
• Expertise in PHP (Backend), MySQL, and relational database design.
• Proficiency with HTML, CSS, JS, jQuery, Git, SVN, and Linux command line.
• Experience with MVC design patterns, preferably CodeIgniter (CI).
• Awareness of product constraints, scalability, and security principles.
• Knowledge of AWS, Docker, and Kubernetes is a plus.

Responsibilities

• Lead backend design and development of product’s backend systems and APIs.
• Collaborate with frontend to design APIs/GraphQL and improve quality/productivity.
• Lead code reviews and draft technical documentation.
• Define SDLC standards and promote best practices.
• Design frontend components using React for web applications.
• Develop backend components using Node.js for scalable code.
• Work with UX/UI to deliver user-friendly web/mobile interfaces.
• Write clean, maintainable code following best practices.
• Implement automated testing and CI/CD practices.

Skills

Full-stack development

Node.js

React

PHP

MySQL

CI/CD

Linux

System design

MVC CodeIgniter

AWS

Docker

Kubernetes

Education

Bachelor's or Master's in Science/Engineering

Tools

Git

SVN

CI tools

Job description

Rhombus Power, Inc. delivers AI-powered predictive intelligence in real time for defense and national security organizations worldwide. Our mission-built products— Ambient AI and Guardian— are transforming strategic, operational, and tactical decision-making. By empowering the shift from reactive analysis to proactive, predictive intelligence and decision support, Rhombus Power is providing foresight and freedom of action when it matters most.

Come join our cross-disciplinary and world-class team that is delivering game-changing solutions to transform global security.

Learn more about Rhombus Power, Inc. and watch a demonstration of Guardian, our AI Platform here:

https://www.youtube.com/watch?v=3PxY6su1Q-Q

https://www.youtube.com/@rhombuspower8558/videos

https://www.youtube.com/watch?v=Iby5WVNfQiI

See the following articles to learn more about what we do:

https://www.rhombuspower.com/news-and-media

Job Description

As a Software Engineer you’ll be collaborating across departments to conceptualize, design, and implement innovative software solutions, owning the end-to-end responsibility to bring our product vision to life.

Additionally, you will engage closely with our product team to understand current user needs and anticipate future user needs, facilitating the seamless integration of user requirements into software solutions. Regular interaction with internal and external clients will be essential, as you spearhead user training sessions and gather invaluable feedback to continually refine and enhance our AI platform.

Rhombus embodies a start-up culture where we’ll be relying on you to bring your exceptional technical fluency to a small but mighty team of developers and engineers. Join us as we build game-changing analytical tools and shape the future of national security.

Ideal candidates will bring strong academic backgrounds, a tireless work ethic, and have a minimum of 5 years of development experience. Candidates with start-up experience (particularly in SaaS) and/or AI defense contracting is highly desired.

Roles and Responsibilities:

Lead the design and development of our product’s backend systems, and translate software requirements into stable, working, high-performance software. We’re seeking deeply experienced “doers’ who can switch seamlessly between individual contributors and team leaders.

• Work closely with front-end developers to design and develop functional, performing, and complete APIs or GraphQL, and work tirelessly to define initiatives to improve quality and/or productivity, such as implementing automated test tools or new development methodologies within the team.
• Lead code reviews and prepare (or guide) technical documentation, and ensure team members are contributing with speed and accuracy.
• Define standards and processes to be followed during SDLC, and challenge ideas and opinions to avoid pitfalls and inefficient solutions!
• Design and implement front-end components using React, ensuring a seamless user experience for web applications.
• Develop back-end components using Node.js, writing scalable and efficient code.
• Collaborate with the UX/UI team to implement user‑friendly and visually appealing interfaces for web and mobile applications.
• Write clean, scalable, and maintainable code using best practices and modern software development methodologies.
• Implement automated testing and continuous integration/continuous deployment (CI/CD) practices.

Qualifications:

• Candidates holding either a bachelors or masters degree in Science, Mathematics, Engineering, or other related discipline are highly desired for this role.
• 5+ years of experience in full-stack software development with a strong focus on Reach and Node.js.
• Strong system design skills with experience architecting scalable, high-performance software systems.
• Exceptional knowledge of PHP (Back end), MySQL, relational database design, and able to pull data from databases/design user tables.
• Strong familiarity with HTML, CSS, JS, jQuery, version control systems (Git, SVN), and Linux based web hosting systems/command-line interfaces.
• Previous experience with MVC (Model View Controller) design patterns, preferably CodeIgnitor (CI) PHP framework. The ability to get up to speed on CI framework is highly desired.
• Awareness and understanding of product technical constraints, resources, scalability constraints, and security principles
• Knowledge of AWS, Docker, and Kubernetes is a plus.

Personality Traits:

• Has deep empathy for the end user and is excited to talk to customers to reach a deep understanding of requirements.
• Able to take customer requests and feedback and turn them into technical requirements for our product roadmap.
• Can verbalize several proposed solutions for a given problem. Earnest to collaborate, but defaults to action and can autonomously figure out the solution to a problem!
• Is opinionated but enjoys the benefits of being a generalist and not tied down to a specific language, framework, or part of our codebase. Gets tasks done regardless of the conditions.
• Are naturally curious and willing to pick up new skills/opportunities, including training junior members of the team.
• Gets excited about solving interesting problems.
• Is resourceful and resilient when faced with ambiguity and new challenges.

Salary Range

• The estimated base salary range for this position is$115,000/year - $155,000/year.

Benefits

• Full medical, dental, vision coverage for employee and dependents
• 401k matching program
• PTO and Holidays
• Bonus and other incentive programs
• Access to mental health program
• Access to Flexible Spending Accounts for Health Care, Dependent and Commuter

About Rhombus

Rhombus Power Inc. (Rhombus) is a startup located in the heart of Silicon Valley at Stanford Research Park in Palo Alto. We use cutting‑edge cross-disciplinary approaches to solve pressing Big Data and Sensing problems in security,energy,and healthcare. Our advisory board includes two Nobel Laureates and a Draper Prize winner.

Rhombus compensates, motivates, and develops employees, who are trusted, empowered, and involved. Employees have clear roles and expectations – and their roles are flexible enough to move at the speed of innovation​ in order to meet and exceed client expectations. We have a unique culture of global purpose, rooted in the innovation and progress of Silicon Valley.

Rhombus knows that diversity is a condition for success. We are committed to hiring and retaining a diverse workforce. We are proud to be an Equal Opportunity/Affirmative Action Employer.