Java FS developer

DTEL Engineering & Consultants Inc
McLean, United States of America
yesterday

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Languages
English
Experience level
Senior

Job location

McLean, United States of America

Tech stack

Clean Code Principles
Java
API
Automation of Tests
Code Review
Databases
Continuous Integration
ETL
Data Security
Relational Databases
Database Queries
DevOps
Java Database Connectivity
Java Persistence API
JUnit
PostgreSQL
Maven
OAuth
Object-Oriented Software Development
Performance Tuning
Query Optimization
SQL Databases
Systems Integration
Data Logging
Data Processing
Concurrency
Spring-boot
Indexer
Data Lineage
Deployment Automation
Enterprise Integration
REST
Cucumber
Spring Batch
Docker
Crud
Microservices

Job description

We are looking for senior Java FS developer who has strong hands-on experience in QA automation and Spring Batch., * Technically strong in Java FS with Spring batch

  • Design, build, and own high-throughput Java/Spring Boot microservices
  • Lead Spring Batch job development for end-to-end pipelines
  • Develop secure REST integrations with external/internal systems, including OAuth2 client-credentials token flow, API retries, timeout strategies, and observability-friendly logging
  • Build file/API-to-database synchronization processes
  • Drive production readiness
  • Collaborate with cross-functional teams (QA, DevOps, Product, Data
  • Mentor engineers through code reviews, architecture guidance, and engineering standards

Roles & Responsibilities

  • Design, build, and own high-throughput Java/Spring Boot microservices for inbound data processing and enterprise integration workflows.
  • Lead Spring Batch job development for end-to-end pipelines (ingestion, validation, transformation, persistence, reconciliation, and status tracking.
  • Implement and optimize batch orchestration with restartability, idempotency, chunk processing, and robust error-handling patterns for production resilience.
  • Develop secure REST integrations with external/internal systems, including OAuth2 client-credentials token flow, API retries, timeout strategies, and observability-friendly logging.
  • Model and maintain relational data workflows in PostgreSQL, including schema-aware CRUD logic, transactional consistency, and query tuning for large-volume loads.
  • Build file/API-to-database synchronization processes and ensure data lineage across staging, audit, and target tables.
  • Define and enforce quality gates through BDD/integration automation (Cucumber + JUnit), including DB assertions, API response validation, and edge-case coverage.
  • Drive production readiness: health checks, exception taxonomy, failure diagnostics, alerting hooks, and runbook-quality operational behavior.
  • Collaborate with cross-functional teams (QA, DevOps, Product, Data) to deliver reliable releases via Maven, Docker, and CI/CD pipelines.
  • Mentor engineers through code reviews, architecture guidance, and engineering standards for maintainability, testability, and performance.

Requirements

  • 8+ years of hands-on Java development with strong OOP, collections/concurrency basics, and clean code principles.
  • Deep expertise in Spring Boot and Spring Batch, including job/step configuration, readers/processors/writers, chunking, partitioning, and recovery strategies.
  • Strong experience building and consuming RESTful APIs with Spring (Web/WebFlux), including resilient integrations and secure service-to-service communication.
  • Proven SQL and PostgreSQL proficiency: complex queries, indexing fundamentals, transaction handling, and performance tuning for ETL-style workloads.
  • Experience with Spring Data JPA and JDBC Template for both ORM and query-driven data access patterns.

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