Mid-Level Java Full-Stack/API Developer – Federal Civilian Programs

Job not on LinkedIn

🔥 4 minutes ago

🇺🇸 United States – Remote

⏰ Full Time

🟡 Mid-level

🟠 Senior

🔙 Backend Engineer

👻 Ghost score 14%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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BizFirst LLC

WebsiteLinkedInAll Job Openings

11 - 50 employees

Founded 2022

💼 Consulting

📦 Logistics

📣 Marketing

Consulting • Logistics • Marketing

BizFirst LLC is a recruitment services provider that partners with businesses of various sizes, offering tailored staffing solutions including traditional recruitment, subscription-based services, and on-demand IT staffing. They focus on understanding unique client needs and driving success through flexible and affordable hiring options. BizFirst emphasizes building long-term relationships and operates with a commitment to transparency and value in their recruitment strategies.

📋 Description

• Design, develop, test, and maintain enterprise applications, microservices, and backend services using Java and Spring Boot • Build data-access components with Spring Data, JPA/Hibernate, and JDBC • Develop synchronous and asynchronous integrations between enterprise applications • Design and implement secure RESTful APIs using an API-first approach with OpenAPI • Apply API standards for versioning, error handling, authentication, authorization, pagination, and observability • Participate in API design and governance reviews • Develop event-driven integrations with JMS and Apache Kafka, including producers, consumers, listeners, topics, queues, and event-processing components • Build resilient messaging with acknowledgment, retry, timeout, error-handling, and dead-letter queue/topic strategies • Work with Kafka topics, partitions, consumer groups, offsets, serialization, and schema management • Design and optimize relational database components, schemas, indexes, stored procedures, transactions, and SQL queries • Version database schema changes with Flyway or Liquibase • Develop automated unit, integration, API, database, messaging, and regression tests • Use automated and AI-assisted approaches to generate test cases, test data, and test scenarios • Package applications with Docker and deploy, operate, and troubleshoot them on Kubernetes • Build and maintain CI/CD pipelines integrating builds, tests, migrations, security scanning, container builds, and Kubernetes deployments • Build and maintain API/developer portals with interactive OpenAPI documentation, API catalogs, guides, examples, and onboarding workflows • Develop responsive, accessible web applications and portal interfaces in React and/or Angular using JavaScript/TypeScript, HTML, and CSS • Troubleshoot application, integration, database, messaging, and performance issues • Participate in peer code reviews and continuous improvement • Collaborate with DevOps, platform engineering, UX, API, and backend teams

🎯 Requirements

• U.S. citizenship • CBP positions: able to obtain and maintain a CBP Public Trust background investigation • Department of State positions: active Secret clearance • Approximately three to six (3–6) years of professional software development experience • Strong Java programming experience and hands-on experience with Spring Boot and the Spring ecosystem • Experience designing and developing REST APIs and microservices, with working knowledge of OpenAPI/Swagger and API-first development • Experience with enterprise messaging technologies such as JMS and Apache Kafka • Strong SQL and relational database development experience with PostgreSQL, Oracle, MySQL, or comparable databases • Experience using JPA/Hibernate, Spring Data, and/or JDBC • Experience writing automated unit, integration, API, database, and messaging tests with tools such as JUnit, Mockito, and REST Assured • Experience with Docker and containerized application development, and working knowledge of Kubernetes • Experience with automated CI/CD pipelines, Git, and modern source-control workflows • Experience developing web applications with React and/or Angular, and working knowledge of JavaScript and/or TypeScript • Understanding of application, API, messaging, and database security principles • Strong debugging, troubleshooting, and problem-solving skills • Able to work remotely on East Coast hours and travel approximately once per quarter • Desired: Experience with Spring Kafka and Spring JMS • Desired: Experience with Kafka consumer groups, partitioning, schema management, retries, and dead-letter topics • Desired: Experience with JMS-compatible messaging platforms such as IBM MQ, ActiveMQ, or Artemis • Desired: Experience with automated or AI-assisted test-case generation and Arazzo or comparable API testing tools • Desired: Experience with Flyway or Liquibase • Desired: Experience with API/developer portals such as Scalar, Redocly, Swagger UI, or Backstage • Desired: Experience with AWS, Azure, or Google Cloud • Desired: Experience deploying Spring Boot applications to Kubernetes, with familiarity with Helm • Desired: Understanding of OAuth 2.0, OpenID Connect, JWT, and API authentication and authorization • Desired: Familiarity with API gateways, API management platforms, observability, DevSecOps, and automated security scanning

🏖️ Benefits

• Remote work on East Coast hours • Travel approximately once per quarter • Immediate start • Opportunity to work on mission-critical, cloud-native federal civilian programs • Work with AWS, Azure, and Google Cloud environments • Exposure to modern DevOps, API, messaging, and cloud technologies