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Java Developer

American Technology Consulting LLCColumbus, OH🇺🇸United States

Why this role stands out

This hybrid Java Developer role offers a fantastic opportunity to leverage your expertise in Java, Spring Boot, and Kafka within an Agile team, contributing to impactful projects while developing your skills. If you're a seasoned developer with a passion for building robust APIs and a knack for backend challenges, you'll thrive in this collaborative environment. Apply now to join a reputable company and advance your career.

Quick overview

SeniorityMid Senior
Work modeHybrid
LocationColumbus, OH, United States
DockerDynamoDBSQLSpringSpring BootAWSSplunkAgileCDKCloudFormationCypressJavaKafkaPlaywrightReactRedisTerraformTesting LibraryTypeScript

Job description

Position Title: Full Stack Developer Advanced
Location: Columbus, OH
Duration: Contract 12 months (possible extension)
Interview Process:
  • 1-hour Zoom panel interview (Behavioral + Technical)
Notes:
  • Senior-level role working within an Agile team
Must-Have Skills:
  • Backend-focused role (Java 70%, React 30%)
  • Strong experience with Java, Spring Boot, and Kafka
  • Ability to develop APIs from scratch
  • AWS experience (ECS, EC2, S3, Lambda)
Job Description:
  • Java Full Stack - (Hands-on IC, 7 plus years) Spring + React + AWS + Kafka
Backend (Java/Spring Boot) expert:
  • Java: strong OOP + functional style, concurrency, collections, memory/perf awareness; can read thread dumps/heap dumps and profile hotspots.
  • Kafka: Experience designing, building, and operating Kafka-based event streaming platforms topics/partitions, producers/consumers, consumer groups, schema/serialization (Avro), Kafka Connect/Streams, security (ACLs/TLS), monitoring and tuning
  • Spring Boot: controllers/validation, exception handling, interceptors/filters, content negotiation, file upload/streaming, async request handling where needed.
  • Spring Data/JPA: entity modeling, transactions, isolation levels, pagination, query tuning; handles N+1/fetch strategy issues; sensible use of projections vs entities.
  • Spring Security: OAuth2/OIDC integration patterns, method-level security, custom auth filters, CORS/CSRF, secure session/token handling.
  • API design: OpenAPI-first mindset, versioning strategy, idempotency, consistent error schema, backward compatibility.
  • Integration: consuming/producing APIs, resilient client patterns (timeouts, retries, circuit breaker), request signing if applicable.
  • Build/deps: Photon/Maven/Gradle, BOMs, dependency hygiene, vulnerability remediation workflow.
Frontend (React) strong:
  • React + TypeScript: component design, hooks, state management, form handling, routing.
  • UI quality: accessibility basics, performance, error boundaries, loading states.
  • API integration: robust data fetching/caching, pagination/infinite scroll, optimistic updates, consistent client-side error handling.
  • Testing: React Testing Library; e2e basics with Cypress/Playwright.
AWS and runtime strong hands-on:
  • Identity and access: IAM roles/policies, least privilege, cross-account basics, secrets management patterns.
  • Infrastructure as Code: Terraform or CloudFormation/CDK (one strongly); environment promotion strategy (dev/test/prod), parameterization, drift awareness.
  • Containerization: Docker images, health checks, resource limits, multi-stage builds.
  • Core AWS fluency (expected to have shipped production workloads):
  • Compute: ECS and EC2 autoscaling concepts
  • Networking: VPC, subnets, security groups, NACL basics, private vs public connectivity
  • Storage/data: S3; RDS/Aurora Postgress fundamentals; DynamoDB awareness even if not primary
  • Integration: SQS/SNS
  • Observability: Splunk and CloudWatch logs/metrics/alarms, log retention, dashboards
Data and persistence advanced:
  • SQL: indexes, query plans, joins, transaction semantics; can tune slow query issues end-to-end (app + DB).
  • Migrations: Flyway/Liquibase discipline; zero-downtime schema evolution patterns.
  • Caching: Redis (ElastiCache) usage patterns, TTL design, cache stampede prevention, invalidation strategy.
Observability and production excellence expert:
  • Structured logging with correlation IDs; PII redaction discipline.
  • Metrics + SLO thinking: latency/error rate saturation signals; actionable alarms (not noise).
  • Tracing: Open Telemetry
  • Operability: runbooks, on-call readiness, meaningful postmortems with preventative actions.
Testing and quality expert:
  • Backend: JUnit5, Mockito, Spring test slices, Test containers; contract tests (Pact) preferred for service-to-service APIs.
  • Performance: basic load testing and interpreting results; capacity and tuning recommendations.
  • Security: SAST/dependency scans; remediates CVEs quickly and safely.
Security (practical, senior-level) non-negotiable:
  • AuthZ: RBAC/ABAC concepts; least privilege both in app and AWS IAM.
  • Secrets: no secrets in code/logs; uses managed secrets and rotation patterns.
Additional Skills:
  • Full Stack Java Developer with Spring Batch, AWS(ECS, S3, Lambda), Infrastructure, Aurora Postgres DB, Kafka excellent communication.

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