Senior Java Developer; Kotlin

Position: Senior Java Developer (with Kotlin)
Location:

Atlanta;
Phoenix; USAWork type:
Hybrid Seniority:
Senior Primary skill:
Java Posted:
We're seeking a Senior Java Developer with strong Kotlin expertise to build and scale the Backend for Frontend (BFF) service layer powering mobile applications used by tens of millions of users worldwide. This is a hybrid role requiring 3 days onsite in Atlanta, GA or Phoenix, AZ. If you thrive on solving complex problems, writing clean code, and building high-performance APIs — we'd love to connect.

Req# Responsibilities Build & Scale Backend Services:
Design, develop, and maintain the server-side API layer consumed by award-winning mobile applications

Write High-Quality Code:
Deliver clean, well-tested, production-ready Kotlin/Java code with a focus on performance and maintainability

Optimize & Refactor:
Improve existing systems, modernize legacy code, and drive performance analysis and optimization efforts

Integrate Complex Systems:
Connect with internal backend services, third-party APIs, and data sources across a distributed architecture

Collaborate Cross-Functionally:
Work closely with mobile engineers, product managers, designers, and QA to deliver seamless end-to-end experiences

Requirements

Experience:

5+ years of professional experience in server-side software development with Java;
Bachelor's degree in Computer Science or equivalent experience

Kotlin:
Strong hands-on proficiency in Kotlin for backend development is required API Development:
Solid experience building and maintaining RESTful APIs, with familiarity in asynchronous programming and performance optimization

Engineering Practices:
Strong foundation in unit testing, CI/CD, build tools (Gradle), code reviews, and software development lifecycle best practices

Problem Solving:
Proven ability to design solutions for open-ended problems, debug complex issues, and work effectively with legacy systems

Collaboration & Ownership:
Self-starting mindset with excellent communication skills and the ability to thrive in a large, cross-functional team environment

Nice to have

Experience with GraphQL (GQL) or RAML for API design and documentation

Contributions to or experience working with open-source projects

Background in building Backend for Frontend (BFF) layers or mobile-facing service architectures

We offer

Medical, Dental and Vision Insurance (Subsidized)
Health Savings Account Flexible Spending Accounts (Healthcare, Dependent Care, Commuter)
Short-Term and Long-Term Disability (Company Provided)
Life and AD&D Insurance (Company Provided)
Employee Assistance Program Unlimited access to Linked In learning solutions

Matched 401(k) Retirement Savings Plan Paid Time Off Legal Plan and Identity Theft Protection Accident Insurance Employee Discounts Pet Insurance Employee Stock Purchase Program