{"@context":"https://schema.org","@type":"JobPosting","directApply":"https://schema.org/False","title":"API Senior Developer (R-00166)","description":"

True Zero Technologies, a veteran-owned small business, was founded on the principle that the purposeful enablement of people and technology in an organization directly ties to the quality of its outcomes. True Zero recognizes that those outcomes begin and end with our people, and that is what we have built a community of like-minded, driven, and passionate individuals and innovators who are aligned in a common goal of delivering top-tier services to our customers. Our culture and commitment have been recognized through numerous accolades, including being named one of the Best Places to Work in 2023 in two categories (“Prosperous and Thriving” ($5MM–$50MM in gross revenue) and “Mid-Atlantic Region” (DC, DE, MD, NC, VA, WV)), and again in 2025 as a Best Places to Work honoree. In addition, True Zero earned coveted spots on the Inc. 5000 list of fastest-growing companies in America in 2022, 2023, and 2025, a testament to our sustained growth driven by our people-first approach and unwavering dedication to excellence.

Job Responsibilities

Design and implement RESTful, SOAP, or GraphQL services following industry best practices and API-first principles.
Integrate third-party services, APIs, and databases to enhance the capabilities of internal applications.
Implement robust authentication and authorization mechanisms (e.g., OAuth, JWT) to protect sensitive endpoint data.
Write and maintain comprehensive, easy-to-understand documentation for internal and external developers to consume.
Monitor performance, resolve bottlenecks, and implement caching and load-balancing technique
Proficiency in backend languages such as Python, Java, JavaScript, or C#.
Strong understanding of web protocols and architectural styles, specifically REST, GraphQL, and SOAP.
Experience with tools like Postman, Swagger, OpenAPI, or SoapUI.
Familiarity with cloud platforms (AWS, Azure, GCP)
Basic knowledge of DevOps practices, containerization (Docker, Kubernetes), and automated testing pipelines
Experience handling JSON and XML data formats.
Expertise in authentication and authorization mechanisms such as OAuth2 and JWT.
Experience in code versioning along with querying and managing both SQL and NoSQL databases (e.g., PostgreSQL, MongoDB).

Job Qualifications

Bachelor’s degree in Cybersecurity, Information Technology, Computer Science, Engineering, or related technical field.
5+ years of API development experience including at least 2+ years at a senior level
Strong communication skills and ability to collaborate in a team environment will be required
Clearance Requirement
Ability to obtain may be required

We’re actively searching for talented security and technology practitioners who are ready to experience the True Zero difference. As a True Zero team member, you'll enjoy:

Competitive salary, paid twice per month
Best in class medical coverage
100% of medical premiums covered by True Zero
Company wide new business incentive programs
Contribution Incentives (i.e. white papers, blog posts, internal webinars, etc.)
3 weeks of PTO starting + 11 Paid Holidays Annually
401k Program with 100% company match on the first 4%
Monthly reimbursement of Cell Phone and Home Internet costs
Paternity/Maternity Leave
Investment in training and certifications to broaden and deepen your technical skills

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