Full Stack Developer (United States)
Part-time
JSR Tech Consulting
Full Stack / Backend Developer (Backend-Focused)
Location: Newark, NJ area
Employment Type: Contract-to-Hire (W2)
Requirements:
- Experience with Python, Java, and JavaScript; working in distributed systems, object-oriented programming, design patterns, and design methodology
- Experience with Java services using Spring CLI, Maven, Microservices, multi-threading, concurrency, and parallel processing
- Frameworks: Spring Boot, Node.js (Full/MEAN/MERN stack)
- Data Store: Non-relational and relational data structures; MongoDB; BPM tools
- Data Streaming: SQS, Kinesis
- Ability to work effectively in cross-functional teams and with business partners to develop high-quality applications
- Hands-on experience with AWS cloud services and cloud-native application development
- Recent experience building enterprise GenAI solutions, including AI agents, chatbots, or RAG applications
- Experience with AWS Bedrock or other enterprise LLM platforms
- 5+ years of relevant experience with Java-related technologies on Unix or Linux
- 5+ years of relevant experience with backend technologies including JBoss, Spring Boot, REST
- 3+ years of relevant experience with client-side technologies including React, JavaScript, JSON, REST
Knowledge/Understanding of:
- Application Programming Interfaces (APIs): consumption and development; implementing service-oriented architecture (SOA) patterns; web service technologies such as APIs, REST, JSON, JDBC
- Experience with AWS AgentCore
- Unit, interface, and end-user testing concepts and tooling (functional and non-functional)
- Automated testing, agile development methodologies, and Test-Driven Development (TDD)
- Accessibility awareness
- Software security skills including secure coding, web application security, and DevSecOps; solid grasp of security concepts (authentication, authorization, encryption, digital signature, JWT, SSL, web service proxies, firewall, SAML 2.0, OpenID Connect, OAuth 2.0)
- DevOps tools and practices: branching techniques and usage of GitHub, Bitbucket, or Subversion; DevOps, Jenkins
- Software Development Life Cycle (SDLC): monitoring and logging techniques
- AWS core services such as CloudWatch and CodeDeploy
Vacancy posted 18 hours ago
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