Java Backend Developer

Rep AI; West Virginia; On-site; USD 90,000 - 120,000; Full time

Benefits offered by this job

Generous equity package

Remote-first work

Worldwide team collaboration

Retirement benefits

Company offsites

Job summary

Rep AI is seeking a Talented Java Backend Developer to join our remote-first backend team. You will design and optimize scalable services powering our AI-driven platform, building robust REST APIs and distributed systems.

Work spans DevOps with AWS, microservices, NoSQL databases, and AI integration. You will collaborate with product and frontend teams, emphasizing performance, code quality, and secure deployments.

Qualifications

• 3+ years of experience developing in Java 11 and above.
• Experience with AWS cloud and microservices architecture.
• Proven experience in developing high-scale services.
• Experience with NoSQL databases (Elasticsearch, MongoDB).
• Experience working with distributed caching (Redis).
• Experience developing REST APIs.
• Familiarity with Agile/Scrum methodology.
• Strong problem-solving skills and a team-player mentality.

Responsibilities

• Design and develop scalable Java backend services.
• Implement RESTful APIs and integrate AI features.
• Collaborate with DevOps to deploy on AWS and monitor performance.

Skills

Java

REST APIs

Microservices

AWS

NoSQL Databases

Redis

Agile/Scrum

English Fluency

Teamwork

Tools

AWS Cloud

Elasticsearch

MongoDB

Redis

REST API Design

Docker/Kubernetes

CI/CD

Job description

• Proven experience in developing high-scale services

Full-Time & Remote

Java Backend Developer

We are looking for a talented Java Backend Developer to join our backend team. As part of our core development team, you will play a key role in building and optimizing the backend infrastructure that powers our AI-driven platform. You will work on designing and developing scalable, high-performance systems while integrating cutting-edge AI technologies.

The role extends beyond backend development and includes DevOps tasks with AWS cloud, AI service integration, and optimizing sophisticated algorithms. Given our need for large-scale, high-speed interactions, code efficiency and scalability are critical.

• Fluent English level
• Critical thinker and problem-solving skills
• Good time-management skills
• Great interpersonal and communication skills
• Team player

Requirements

• 3+ years of experience developing in Java 11 and above
• Experience with AWS cloud and microservices architecture
• Proven experience in developing high-scale services
• Experience with NoSQL databases (e.g., Elasticsearch, MongoDB)
• Experience working with distributed caching (e.g., Redis)
• Experience developing REST APIs
• Familiarity with Agile/Scrum methodology
• Strong problem-solving skills and a team-player mentality

Nice to have

• Experience working with AI-driven systems
• Experience developing chatbots or virtual assistants using LLMs
• Experience in e-commerce platforms and APIs

Why join us

Benefits

• Generous equity package
• Have skin in the game and share in Rep AI’s future success.
• Company offsites
• Connect with the global team, collaborate in person, and build relationships beyond the screen.
• Retirement benefits
• Plan ahead with benefits designed to support your future.
• Remote-first work
• Join a global team and do meaningful work from wherever you do your best work.