Kotlin Jobs in Arizona.
All active Kotlin roles based in Arizona.
Pick a job to read the details
Tap any role on the left — its description and apply link will open here.
About the Opportunity
As a Full Stack Engineer on our growing EV team, you will be responsible for developing our backend services while maintaining a high security posture within our growing infrastructure. Working directly with other engineers, you will develop new services/products that EnergyHub is building in the connected EV space, engaging drivers and OEMs on new initiatives that help the proliferation of EVs worldwide.
This role is a full-stack role, giving candidates the opportunity to build services, APIs, and front-end user interfaces for drivers and clients to interact with.
Main Responsibilities: What you’ll do
- Develop and maintain the backend services of our EV platform, ensuring that all components work together seamlessly.
- Integrate with third-party APIs to implement external services into our platform, enhancing OEM partners and other external solutions.
- Manage ingestion and storage of multivariate data sets that can scale to millions of users/connected vehicles.
- Build and enhance data lakes to provide additional data analysis for different services and consumers.
- Develop services to interact with connected vehicles at scale.
- Develop and maintain front end “web apps” to provide UIs for our various different products and services.
- Ensure proper security and data protection policies, procedures, and monitoring are in place.
- Design, develop, and maintain third-party accessible APIs for data ingest/egress within the platform.
- Write and maintain technical documentation.
- Drive and embody the “Dev Owns Quality” culture.
- Other duties as assigned
Required Skills and Experience: What you need
- 3+ years professional software engineering experience, preferably in a small to medium-sized team, with a proven exceptional ability as a FullStack engineer or similar role.
- Strong comfortability with Kotlin/Java and familiarity with web services and RESTful APIs using Spring.
- Expertise in API ingestion and data normalization processes.
- Experience with front end languages, such as React/Typescript.
- Experience with containerized systems.
- Knowledge of modern security best practices, authentication/authorization frameworks, and system/API hardening.
Preferred Skills and Experience: Nice-to-haves
- Experience with AWS or other cloud providers.
- Experience with GraphQL.
- Typical development tools and processes (automated testing, continuous integration/deployment, monitoring systems)
- Experience with Event-Driven systems and data processing pipelines (Kafka, SNS/SQS, Kinesis, S3, etc)
Please note that sponsorship of new applicants for employment authorization, or any other immigration-related support, is not available for this position at this time.
Why work for EnergyHub?
- Collaborate with outstanding people: Our employees work hard, do great work, and enjoy collaborating and learning from each other.
- Make an immediate impact: New employees can expect to be given real responsibility for bringing new technologies to the marketplace. You are empowered to perform as soon as you join the team!
- Gain well rounded experience: EnergyHub offers a diverse and dynamic environment where you will get the chance to work directly with executives and develop expertise across multiple areas of the business.
- Work with the latest technologies: You'll gain exposure to a broad spectrum of IoT, SaaS and machine learning obstacles, including distributed fault-tolerance, device control optimization, and process modeling to support scalable interaction with disparate downstream APIs.
- Be part of something important: Help create the future of how energy is produced and consumed. Make a positive impact on our climate.
About EnergyHub
EnergyHub empowers utilities and their customers to create a clean, distributed energy future. We help consumers turn their smart thermostats, EVs, batteries, and other products into virtual power plants that keep the grid stable and enable higher penetration of solar and wind power.
To learn more, visit energyhub.com.
Company Benefits
EnergyHub offers a generous benefits package including 100% paid medical for employees and a 401(k) with employer match. We offer a casual environment, the flexibility to set your own schedule, a fully stocked fridge and pantry, free Citi Bike membership, secure bike rack, gym subsidy, paid parental leave, and an education assistance program.
EnergyHub is an Equal Opportunity Employer
EOE, Including Disability/Vets. Reasonable accommodations are available for individuals with disabilities throughout the application process. If you are a person with a disability needing assistance with the application process, please contact accommodations.apply@energyhub.net.
In connection with your application, we collect information that identifies, reasonably relates to or describes you ("Personal Information"). The categories of Personal Information that we may collect include your name, government-issued identification number(s), email address, mailing address, other contact information, emergency contact information, employment history, educational history, and demographic information. We collect and use those categories of Personal Information about you for human resources and other business management purposes, including identifying and evaluating you as a candidate for potential or future employment or future positions, recordkeeping in relation to recruiting and hiring, conducting analytics, and ensuring compliance with applicable legal requirements and Company policies. By submitting your application, you acknowledge that we may retain some of the personal data that you provide in your application for our internal operations such as managing our recruitment system and ensuring that we comply with labor laws and regulations even after we have made our employment decision.
Notice To Third Party Agencies:
EnergyHub understands the value of professional recruiting services. However, we are not accepting resumes from recruiters or employment agencies for this position. In the event we receive a resume or candidate referral for this position from a third-party recruiter or agency without a previously signed agreement, we reserve the right to pursue and hire those candidate(s) without any financial obligation to you.
The base salary range of this opportunity is listed below and is determined within a range based on factors including qualifications, location and experience. This allows opportunity for growth and development within the role. The base salary offered is part of a total compensation package.
Ready to apply?
Apply to EnergyHub
AI/ML Intern
Share this job
About your role
Rocket Lawyer is looking for a motivated and passionate AI/ML Software Engineering Intern to join our team working on Rocket Copilot, our AI assistant launched in December 2023. In this internship, you will collaborate with our cross-functional teams to assist in building a cutting edge AI platform. You’ll have the opportunity to learn from experienced engineers while working on real-world AI/ML projects, helping design, implement, test, and maintain new AI features.
We value a collaborative and supportive work environment, where we celebrate learning and growth. This is a great opportunity for someone eager to expand their skills and contribute to innovative AI solutions.
Responsibilities
- Assist in prompting, evaluating, fine-tuning, and maintaining large language models (LLMs) for AI features
- Support the creation, monitoring, and troubleshooting of backend API services that interact with ML models
- Collaborate with cross-functional teams to integrate AI into existing and new Rocket Lawyer products
- Research and stay up-to-date with industry trends around generative AI and machine learning
- Prototype product features to explore new AI capabilities and write clean, understandable code
What you’ll need
- Currently pursuing a BS, MS, or PhD in Computer Science, Mathematics, Statistics, or a related field.
- Basic understanding of machine learning concepts and algorithms.
- Familiarity with generative AI technologies and models (Deep Learning, RAG, Neural Networks, Agents).
- Interest or experience working with large language models (LLMs) and generative AI.
- Strong programming skills in Python
A bonus if you have
- Experience with backend Python frameworks like FastAPI, Flask, Django, etc.
- Familiarity with vector databases.
- Additional programming skills in languages such as Java, Kotlin, or NodeJS.
- SQL knowledge.
- Interest in building user-facing products.
- Understanding of microservices architectures and distributed systems.
Interview Process
- Recruiter Phone Screen
- Hiring Manager Interview
- Team Interview
Duration: June 8, 2026 - August 14, 2026, working 40 hours per week
- San Francisco Bay Area, CA: $50.00
- California (outside of San Francisco Bay Area): $46.25
- Colorado: $42.50
- Utah, Arizona, and North Carolina: $40.00
Actual compensation packages are determined by various factors unique to each candidate, including but not limited to skill set, depth of experience, certifications, specific work location, and performance during the interview process. In addition to base salary, this role may include variable compensation and be eligible for an equity grant, depending on the position and level.
By applying for this position, your data will be processed as per Rocket Lawyer Privacy Policy.
Ready to apply?
Apply to Rocket Lawyer