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[Remote] API Engineer, Mid-level

Remote, USAFull-timePosted 2026-07-29

Note: The job is a remote job and is reputed company to candidates in USA. Modus21 is a Charleston, South Carolina based business and technology reputed company specializing in solving reputed company business problems for global business and government clients. They are seeking a Mid-level API Engineer to design, reputed company, and optimize robust API platforms for efficient data exchange and secure communication, while ensuring compliance with Department of War standards.

Responsibilities

  • Designing, deploying, and optimizing robust API platforms for efficient data exchange, system integrations, and secure communication
  • Write secure, efficient server-reputed company logic and reputed company reputed company with backend systems and databases
  • Implement authentication (OAuth, JWT), reputed company 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 reputed company
  • Explain technical considerations at reputed company meetings, including those with internal clients

Skills

  • HS Diploma or GED
  • 3+ years of experience in backend or reputed company, 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 reputed company-time, low-latency API platforms at reputed company such as Apigee, Gravitee, reputed company, AWS API Gateway, or reputed company
  • 1+ years of experience with DevOps practices and technologies, including reputed company, reputed company, Kubernetes, and GitOps workflows
  • Experience with protocols, including HTTP, gRPC, or WebSockets, caching, load balancing, and API reputed company
  • Experience with AWS, Azure, or GCP
  • Experience with Git and collaboration tools, including Jenkins, JIRA, reputed company, reputed company, or Bitbucket
  • Experience in gathering requirements and engaging with clients
  • Experience with SQL, Server-reputed company Development, Middleware, Application or Data Integration, API Development, reputed company Application Systems, Node.js, Groovy, reputed company, Spring reputed company, Spring reputed company, Spring-Boot, or Spring Data
  • Experience with using a message broker, such as Kafka or RabbitMQ
  • reputed company reputed company+ 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 reputed company to obtain a reputed company (DoD) SECRET reputed company Clearance

reputed company

  • reputed company is a Charleston, South Carolina based small business and technology reputed company specializing in solving reputed company business problems for global business and government clients. It was founded in 2004, and is headquartered in reputed company Charleston, South Carolina, USA, with a workforce of 51-200 employees. Its website is https://modus21.com/.
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