Junior Java Backend Developer Jobs in Fairfield, CA

We're seeking skilled a Senior Software Engineer to design and develop the core API services and backend systems that power InfiniteChoice's platform. You'll build cloud-native software solutions that serve millions of users, process billions in transactions, and provide the foundation for exceptional user experiences.

As a backend engineer, you'll own the complete development lifecycle for critical services - from architectural design through production deployment and monitoring. You'll work with modern programming languages and cloud-native technologies to build scalable, resilient systems that form the backbone of our growing platform.

• Design: Architect scalable API services and backend systems that meet business and technical requirements

• Development: Build high-performance services using Python, Go, Java, or similar modern programming languages

• Testing: Implement comprehensive testing strategies including unit, integration, and contract testing

• Deployment: Manage CI/CD pipelines and deploy services using cloud-native deployment patterns

• Monitoring: Implement observability, logging, and alerting for production services and performance optimization

• Design and implement RESTful APIs and GraphQL services with proper authentication, authorization, and rate limiting

• Build microservices architecture using containerization and orchestration platforms

• Develop event-driven systems with message queues, pub/sub patterns, and asynchronous processing

• Implement caching strategies, database optimization, and performance tuning for high-traffic applications

• Create serverless functions and cloud-native applications optimized for scalability and cost efficiency

• Design and develop distributed systems that handle high concurrency and large-scale data processing

• Build robust data pipelines and real-time streaming applications

• Implement security best practices including encryption, secure communication, and compliance frameworks

• Optimize database performance with proper indexing, query optimization, and data modeling

• Create automated backup, disaster recovery, and business continuity solutions

• Write clean, maintainable, and well-documented code following established best practices

• Participate in architectural discussions and technical design reviews

• Contribute to engineering culture and knowledge sharing

• Collaborate with other engineering teams to deliver integrated solutions

• Drive technical decisions that balance performance, scalability, maintainability, and development velocity

• Programming expertise: Strong proficiency in Python, Go, Java, or similar backend programming languages

• API development: Extensive experience building RESTful APIs, GraphQL services, and web services at scale

• Database proficiency: Hands-on experience with both SQL (PostgreSQL, MySQL) and NoSQL (MongoDB, Redis, Cassandra) databases

• Cloud-native development: Proven experience building applications designed for cloud environments - experience with GCP is a plus

• System design: Understanding of distributed systems, microservices patterns, and scalability principles

• Familiarity with AI-powered development tools (Cursor, Claude Code) is a huge plus.

• Independent execution with ability to own projects from conception to production deployment

• Proactive problem-solving with strong initiative in identifying and addressing technical challenges

• Quality-focused mindset with commitment to testing, code quality, and operational excellence

• Continuous learning approach to staying current with backend technologies and best practices

• Collaborative spirit with excellent communication and truly believe in teamwork

• Message systems: Experience with Apache Kafka, RabbitMQ, Google Pub/Sub, or similar

• Caching technologies: Redis, Memcached, or distributed caching solutions

• Search engines: Elasticsearch, Solr, or cloud search services

• Security: OAuth, JWT, encryption, and secure coding practices

• Performance optimization: Profiling, load testing, and performance tuning techniques

• Bachelor's degree in Computer Science, Engineering, or equivalent professional experience

• 8+ years of hands-on experience in software development

• Strong analytical and systematic problem-solving skills

• Ability to work effectively in fast-paced, evolving environments

• Passion for building robust, scalable backend systems

• Commitment to operational excellence and system reliability

• Work with cutting-edge cloud-native technologies and architectural patterns

• Access to AI-driven development tools and emerging backend technologies

• Build systems that serve millions of users and process billions in transactions

• Direct impact on platform scalability, performance, and reliability

• Opportunity to create lasting engineering culture and operational excellence

• Remote-first culture with in-person meeting on need basis

• Collaborative environment with smart, passionate engineers and cross-functional teams

• Competitive compensation, equity participation, and comprehensive benefits

Join our team of passionate engineers building the backend systems and APIs that power millions of user experiences. If you're a self-driven developer who loves system design, values end-to-end ownership, and wants to work with modern cloud-native technologies at scale, we'd love to hear from you.

InfiniteChoice was founded to help people find the experiences they want simply and effortlessly. We leverage a new type of business model and platform that uniquely applies automation and technology to solve the challenges of scale and complexity in experience discovery.

Existing business and marketing technologies can no longer handle the demands of connecting millions of consumers with vast inventories of experiences across a fragmented, global marketplace of people, partners, and providers.

Our mission is to disrupt this status quo by creating seamless connections between consumers and experiences. We're just at the beginning of this journey, but our approach is working: we've helped over 275 million visitors connect to millions of experiences, generating over $2 billion in revenue for our brands and partners.