Note The job is a remote job and is open to candidates in USA. JSR Tech Consulting is seeking a Full Stack / Backend Developer for a contract-to-hire role. The position focuses on developing enterprise applications using Java, Python, JavaScript, AWS cloud services, microservices, data streaming, and enterprise GenAI technologies, while collaborating with cross-functional teams. Skills 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 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 Company Overview JSR Tech Consulting provides contract consulting services for business and technology leaders in financial services. It was founded in 2015, and is headquartered in Cranford, New Jersey, USA, with a workforce of 51-200 employees. Its website is https//www.jsrtechconsulting.com/.