Senior Backend Software Engineer

Senior Backend Software Engineer - Java AILocation: Phoenix, AZ (Onsite) Duration: 6 months Pay Range: $40 - $45/Hour on W2/C2C (All inclusive)Design, develop and maintain secure, scalable and reliable backend services for Digital Banking platforms.• Build Java microservices, REST APIs, batch jobs and event-driven workflows using modern engineering patterns.• Lead distributed-system design covering scalability, latency, throughput, fault tolerance, consistency and recovery.• Implement Kafka/event-driven integration and workflow-orchestration patterns.• Ensure services are testable, observable, maintainable, safely extensible and aligned to production SLAs.• Drive code quality, automated testing, CI/CD, secure coding and operational readiness across the SDLC.• Participate actively in architecture, design and code reviews while remaining hands-on with development.• Partner with product, architecture, operations and business stakeholders to translate capabilities into pragmatic technical solutions.• Mentor engineers, resolve complex technical problems and raise engineering standards across the team.• Where applicable, integrate GenAI capabilities responsibly into enterprise applications with appropriate security, guardrails and governanceSkill Required:Core Backend Engineering• 8+ years software development with strong hands-on Java; Java 17+ preferred.• Spring, Spring Boot, Spring Batch, REST APIs, JSON/XML, JDBC, JPA/Hibernate.• Strong microservices and distributed-systems design: service decomposition, asynchronous communication, fault tolerance, idempotency, backpressure, consistency trade-offs and graceful degradation.• Kafka or similar event-streaming technology; Kafka Streams highly desirable.• High availability, low-latency services, multithreading/concurrency, caching and performance analysis.• PostgreSQL, MongoDB and Redis or comparable relational/NoSQL/in-memory platforms.• JUnit, Maven/Gradle, Jenkins, Git/GitHub/GitLab, CI/CD, automated/repeatable testing and secure coding.• Docker, Kubernetes/container platforms, observability and production-readiness practices.• Strong API-first architecture, service contracts, integration patterns and API lifecycle practices.• Banking/payments, real-time transaction platforms, customer/account management or fintech API experience strongly preferred.• Hands-on technical leadership: architecture/design reviews, code reviews, mentoring and cross-team engineering influence.Big Plus - GenAI / Cloud / Governance• LLM applications, prompt engineering, structured outputs, tool/function calling and MCP concepts.• RAG: ingestion, chunking, embeddings, vector search, reranking, relevance tuning and semantic search.• AI guardrails/evaluation, hallucination mitigation, PII handling, prompt-injection and data-leakage controls.• AWS EC2, RDS, S3 and SQS; cloud-native architecture and DevOps practices.• Data governance, secure data access, shared schemas, auditability, compliance controls and risk-aware engineering.Desired Skills:Strong communication, problem solving, technical ownership, mentoring and stakeholder collaboration. Ability to work through ambiguity and influence engineering decisions while remaining hands-on.Experience: 8-10 YearsCompany Benefits & CultureOpportunity to work with a dynamic team in a fast-paced environmentExposure to cutting-edge technologies and methodologiesSupportive and collaborative work culture