[Remote] API Engineer, Mid-level

Note: The job is a remote job and is open to candidates in USA. Modus21, LLC. is a Charleston, South Carolina-based business and technology consulting firm that helps global business and government clients streamline, measure, and improve business processes through business intelligence and business architecture. The API Engineer will serve on a scrum team supporting the modernization and sustainment of the TRAC2ES system by designing, deploying, and optimizing secure API platforms, integrating backend systems, implementing authentication and monitoring, and supporting testing, documentation, and client meetings.

Responsibilities

• Designing, deploying, and optimizing robust API platforms for efficient data exchange, system integrations, and secure communication
• Write secure, efficient server-side logic and integrate APIs with backend systems and databases
• Implement authentication (OAuth, JWT), rate limiting, and monitoring to prevent bottlenecks and vulnerabilities
• Build programmatic API validation, integration, and resiliency testing, often integrating with CI/CD pipelines
• Maintain detailed documentation so developers can easily understand and consume the APIs
• Explain technical considerations at related meetings, including those with internal clients

Skills

• HS Diploma or GED
• 3+ years of experience in backend or platform engineering, including distributed systems and API design
• 3+ years of experience in software development using Java or Python; 2+ years of experience with designing, deploying, and operating real-time, low-latency API platforms at scale such as Apigee, Gravitee, Kong, AWS API Gateway, or Mulesoft
• 1+ years of experience with DevOps practices and technologies, including Docker, Helm, Kubernetes, and GitOps workflows
• Experience with protocols, including HTTP, gRPC, or WebSockets, caching, load balancing, and API security
• Experience with AWS, Azure, or GCP
• Experience with Git and collaboration tools, including Jenkins, JIRA, Confluence, Nexus, or Bitbucket
• Experience in gathering requirements and engaging with clients
• Experience with SQL, Server-Side Development, Middleware, Application or Data Integration, API Development, Core Application Systems, Node.js, Groovy, Scala, Spring Cloud, Spring Core, Spring-Boot, or Spring Data
• Experience with using a message broker, such as Kafka or RabbitMQ
• CompTIA Security+ Certification or higher DoD 8570 cybersecurity certification
• Familiarity with software delivery methodologies such as agile/scrum
• Strong problem-solving and design skills
• Strong written and oral communication skills
• Strong interpersonal skills and customer service skills
• Ability to effectively prioritize and execute tasks in a high-pressure environment is crucial
• Ability to work in a self-guided manner; excellent organizational skills
• Must be a US citizen and hold or be able to obtain a Department of Defense (DoD) SECRET Security Clearance

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