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The Sr. Backend Developer Contractor will design, develop, and maintain robust backend services and APIs, with a strong emphasis on security, performance, and reliability. You will collaborate closely with cross-functional teams to deliver scalable solutions that meet business and technical requirements.This is a hybrid role based in Columbus, Ohio. Candidates must reside in the Columbus area. In-office attendance will align with the department’s schedule, which is determined collaboratively by the team.
RESPONSIBILITIES:
To perform this job successfully, an individual must be able to perform each essential job duty satisfactorily, with or without reasonable accommodation:
- Design, develop, and maintain Java/Spring Boot applications including RESTful APIs and microservices
- Implement and manage secure authentication and authorization flows using OAuth2 and Spring Security
- Build and integrate webhook and event-driven architectures
- Manage secrets and credentials securely, including environment separation between sandbox and production
- Develop and maintain Postman collections for API testing, documentation, and automation
- Ensure API resilience through proper error handling, logging, and monitoring
- Collaborate with database teams on data access layer design and optimization
- Write and maintain unit and integration tests; manage builds with Maven and version control with Git
- Leverage AI-assisted development tools to improve code quality, velocity, and maintainability
- Perform other duties as assigned
QUALIFICATIONS:
- High school diploma or equivalent required
- Strong experience with Java and Spring Boot, including Spring Security and Spring Web
- Hands-on expertise with RESTful API design, development, and consumption
- Experience with OAuth2 flows, token management, and secure authentication patterns (including client credentials grant)
- Experience with webhooks and event-driven architecture patterns
- Understanding of secrets and vault management for secure credential storage and retrieval, with environment separation for sandbox and production
- Strong Postman skills: collections, environments, variables, scripting, pre-request tests, and OAuth helpers
- Familiarity with JSON and XML data handling, API error resiliency, and logging/monitoring
- Experience with Git, Maven, and writing unit and integration tests
- Experience working with database access layers
- Experience leveraging AI-assisted development tools (e.g., GitHub Copilot, LLM-based code generation) to enhance code quality and developer velocity
- Ability to apply AI-driven techniques in software design, refactoring, debugging, and documentation
REMOTE WORK REQUIREMENTS:
- Stable, high-speed internet connection
- Experience with teleconferencing
- Access to a quiet workspace
- Smartphone/mobile device
Reference: 1051822
Worried that you don’t meet every single requirement listed in the job ad? Studies have shown that individuals from marginalized groups are less likely to apply to jobs unless they meet every single qualification. Hive + Co. is dedicated to building a diverse, inclusive and representative workplace, so if you’re excited about this role, but worried that you don’t meet every requirement, we encourage you to apply anyways. We’d love to get to know you.