Android developer • fremont ca
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Job Description
Sr. Full Stack Developer (Java / MERN)
Contract with a major car company.
FTE with Purple Squirrels Software LLC
Newark, CA — Hybrid
Mail resume to staffing@purple-squirrels.com
Responsibilities
· · Develop and mentor a team of developers in building and maintaining enterprise applications using React and Java
· Strong fundamentals in object-oriented programming, data structures, algorithms, and database design
· Expertise architecting and developing full stack web applications with RESTful APIs
· Extensive experience with MongoDB, including schema design, performance tuning, and concurrency considerations (e.g., handling simultaneous read/writes)
· Proficient in developing and managing applications using Java, with a strong understanding of Java concurrency (thread management, synchronization, concurrency libraries) and best practices
· Strong practical experience with Python for application development, scripting, and process automation
· Experience with cloud platforms (e.g., AWS, Azure) and understanding of distributed computing principles
· Ensure the implementation of best practices and standards in coding, software development, and concurrency controls (e.g., using proper design patterns, thread-safe operations)
· Develop solutions using event-driven architecture (MongoDB change streams, Kafka, Schema Registry, and connectors)
· Architect and develop complex features and enhancements for our supply chain platforms, emphasizing reliability, performance, and scalability
· Collaborate with cross-functional teams, including product managers, designers, and other developers, to deliver high-quality, user-centric solutions
· Maintain and improve existing systems, addressing performance, reliability, concurrency, and security issues
· Continuously optimize application performance, scalability, and reliability, focusing on thread safety and concurrency management
· Translate complex business needs into technical specifications and actionable tasks
Required Qualifications
· Minimum of 10 years of experience as a Senior Developer, with extensive expertise in the Java and preferably MERN stack (MongoDB, Express, React, Node.js)
· Strong communication skills
· Demonstrated UI/UX design abilities
· Proven track record of leading development teams and managing large-scale projects
· Strong experience with Kafka and implementing event-driven, serverless architectures, including concurrency considerations and message stream processing
· Background in developing and deploying web applications within the automotive industry or supply chain is a plus
· Proficiency in version control systems (e.g., Git), CI/CD practices, and agile methodologies
· Robust understanding of Java concurrency concepts and the ability to implement multi-threaded solutions securely and efficiently
· Relevant certifications or advanced degrees in computer science or related fields
· Hands-on experience with AI-enabled coding tools (e.g., GitHub Copilot, Cursor, Amazon Q Developer) to accelerate development, code review, and testing
· Experience integrating AI/ML models or LLM-based APIs (e.g., OpenAI, AWS Bedrock) into production applications
· Familiarity with AI-assisted code review, code quality, and automated testing tools
· Comfort using AI-enabled project management tools (e.g., Jira AI, Asana Intelligence) for sprint planning, status reporting, and task tracking
Requirements
6–9 years of QA engineering experience, including at least 2+ years building and maintaining test automation frameworks (Selenium, Playwright, Cypress, or equivalent) Hands-on experience using AI-assisted testing or development tools (e.g., GitHub Copilot, Cursor, AI test-generation platforms) in a production QA workflow Strong scripting ability in Python, JavaScript/TypeScript, or Java for building and maintaining automated tests Experience with API testing (Postman, REST Assured, or similar) and CI/CD pipelines (Jenkins, GitHub Actions, GitLab CI) Comfortable owning full QA cycles beyond automation — test planning, defect management, exploratory testing, release sign-off Familiarity with AI-assisted code review and automated testing/quality tools Comfort using AI-enabled project management tools (e.g., Jira AI, Asana Intelligence) for sprint tracking and status reporting Able to work onsite in Newark, CA Preferred QA experience in automotive, embedded systems, or another hardware-adjacent software environment Experience with performance and load testing tools
