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Senior Api Developer Jobs in Silver Spring, MD (NOW HIRING)

Quevera is seeking a highly skilled Senior Backend API Engineer with an active TS/SCI clearance with Polygraph to support mission‑critical programs in Linthicum, Maryland. In this role, you will ...

Java API Engineer

Washington, DC · On-site

$58.50 - $80/hr

RIT Solutions, Inc. is seeking a Senior Java API Engineer to support and enhance a REST-based API platform for mobile applications. This role involves maintaining backend services built with Java in ...

API Architect

Arlington, VA · On-site

$107 - $220/hr

... and create developer documentation and examples to facilitate API adoption. This person will ... Senior: 8+ years of experience + Bachelor's Degree * Good communication skills, self-starter ...

New

API Architect

Arlington, VA · On-site

$107K - $220K/yr

... and create developer documentation and examples to facilitate API adoption. This person will ... Senior: 8+ years of experience + Bachelor's Degree * Good communication skills, self-starter ...

... and create developer documentation and examples to facilitate API adoption. This person will ... Senior: 8+ years of experience + Bachelor's Degree * Good communication skills, self-starter ...

Job Title Sr. Drupal Developer # of Hires Needed 1 Date Needed By 2/12/2026 Category Information ... API-driven development (REST / JSON APIs) * Search implementations (Search API, OpenSearch ...

... remote Senior Lead Software Developer to lead the architecture, design, development, and ... Define API standards and governance. * Implement secure authentication and authorization.

Senior Software Developer

Fairfax, VA · On-site

$55.75 - $73.50/hr

Senior Software Developer Location: Onsite- Fairfax, VA 3 Days and in Washington, DC 2 Days per ... This role emphasizes backend architecture, distributed systems, API development, and cloud-native ...

CTAC is seeking a Senior Drupal Developer to architect, build, and maintain customized Drupal ... Search API, and integrations • Contribute to architectural discussions and long-term ...

Role: Sr. MuleSoft Developer Location: Local to Herndon, VA preferred but will accept remote ... Strong expertise in Mule ESB, SOA principles, and RESTful API development using JSON and XML.

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Senior Api Developer information

See Silver Spring, MD salary details

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How much do senior api developer jobs pay per hour?

As of Sep 7, 2026, the average hourly pay for senior api developer in Silver Spring, MD is $63.82, according to ZipRecruiter salary data. Most workers in this role earn between $54.18 and $71.59 per hour, depending on experience, location, and employer.

What is a senior API developer?

Senior API Developers are experienced software engineers who specialize in designing, building, and maintaining Application Programming Interfaces (APIs) that allow different software systems to communicate. They often lead technical projects, mentor junior developers, and ensure APIs are secure, scalable, and well-documented. Senior API Developers typically work with a variety of programming languages and frameworks, and collaborate closely with other teams to align API solutions with business goals.

What skills and qualifications are needed to thrive as a senior API developer?

To thrive as a Senior API Developer, you need advanced programming skills (often in languages such as Java, Python, or Node.js), deep understanding of API design principles, and experience with RESTful and/or GraphQL APIs, typically supported by a relevant degree or professional experience. Familiarity with API management tools (like Postman, Swagger, or Apigee), cloud platforms (such as AWS or Azure), and knowledge of authentication protocols (OAuth, JWT) are vital. Strong problem-solving abilities, effective communication, and leadership skills help in collaborating across teams and mentoring junior developers. These competencies ensure robust, scalable API solutions that meet business needs and integrate seamlessly with other systems.

How do senior API developers typically collaborate with product managers and frontend teams during the development process?

Senior API Developers play a key role in bridging backend systems with product and frontend teams. They work closely with product managers to interpret business requirements into technical specifications for APIs. Regular collaboration with frontend developers ensures that APIs are designed for usability, performance, and scalability, often involving code reviews, feedback sessions, and iterative testing. Effective communication and proactive problem-solving are essential to align API functionality with both business objectives and user experience.

What is the difference between Senior Api Developer vs API Engineer?

AspectSenior API DeveloperAPI Engineer
Required CredentialsBachelor's in CS or related, experience in API developmentBachelor's or higher in CS, software engineering, or related field
Work EnvironmentSoftware development teams, tech companies, startupsDevelopment teams, cloud services, enterprise environments
Employer & Industry UsageTech firms, SaaS providers, e-commerceCloud providers, enterprise software, API platforms
Common Search & ComparisonOften compared for API design and development rolesFocuses on API infrastructure and deployment

While both roles involve working with APIs, a Senior API Developer primarily designs, develops, and maintains APIs, focusing on functionality and integration. An API Engineer often emphasizes the infrastructure, deployment, and scalability of APIs within larger systems. Understanding these distinctions helps employers and professionals choose the right role for their needs.

Are senior API developers in demand?

Senior API developers are in high demand due to the increasing reliance on web services and integrations across industries. They are often required to have expertise in REST, SOAP, and API security, with many organizations seeking experienced professionals to build and maintain scalable, secure APIs. The demand is expected to grow as digital transformation accelerates and companies prioritize cloud-based solutions.

How much do senior API developers make?

Senior API developers typically earn between $100,000 and $150,000 annually, depending on experience, location, and industry. They often have expertise in RESTful APIs, programming languages like Java or Python, and may hold certifications that enhance their earning potential.

What are popular job titles related to Senior Api Developer jobs in Silver Spring, MD?

For Senior Api Developer jobs in Silver Spring, MD, the most frequently searched job titles are:

What job categories do people searching Senior Api Developer jobs in Silver Spring, MD look for?

The top searched job categories for Senior Api Developer jobs in Silver Spring, MD are:

What cities near Silver Spring, MD are hiring for Senior Api Developer jobs?

Cities near Silver Spring, MD with the most Senior Api Developer job openings:

Infographic showing various Senior Api Developer job openings in Silver Spring, MD as of August 2026, with employment types broken down into 76% Full Time, 9% Part Time, and 15% Contract. Highlights an 80% Physical, 6% Hybrid, and 14% Remote job distribution, with an average salary of $132,737 per year, or $63.8 per hour.

Senior API Systems Engineer with Security Clearance

BAE Systems

Sterling, VA • On-site

$103K - $141K/yr

Other

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 8 days ago


BAE Systems rating

8.4

Company rating: 8.4 out of 10

Based on 151 frontline employees who took The Breakroom Quiz

9th of 49 rated military and defense


Job description

Job Description BAE Systems is looking for an Senior Systems Engineer skilled in API gateway design & development to join our technical program driving the Model Based Systems Engineering (MBSE) cloud platform that supports collection, management and analysis of digital engineering information in an architecture that provides seamless digital thread and enables tool interoperability, including data structures suitable for AI applications. We are looking for a skilled API Gateway Systems Engineer to design, develop, test, and deploy secure and scalable API gateways. The successful candidate will be responsible for ensuring the reliability, performance, and security of our API gateways, as well as collaborating with cross-functional teams to integrate APIs with various systems and services. This program delivers engineering services for Linux and Windows cloud-based infrastructure as well as sophisticated enterprise computing infrastructure including end-point devices, Cloud services, virtualized applications, and storage systems. Enterprise Computing Engineering services include modern application technology including containerized solutions with orchestrated workflows. Our platform uses a mix of Open Source, Government-off-the-Shelf (GOTS) and Commercial off-the-Shelf (COTS) software and targets cloud-native constructs. The environment offers a secure-by-default configuration, implementing an Infrastructure-as-Code approach, and governance policies. We follow a mostly Agile workflow and adhere to DevSecOps principles. We value fast iteration and a customer-oriented approach while being mindful about security. This is a fast paced, challenging, and career rewarding experience to recruit and develop top talent and solutions on one of the most complex and high-profile programs within the government customer community. Responsibilities: * Provide IT technical services and technical expertise in systems, technical infrastructure, tools, modeling, external interfaces, and other technical areas * Design, implement, and manage the central entry point for microservices architectures, handling request routing, security, rate limiting, and traffic management. * Design and develop API gateways using industry-standard protocols and technologies. * Create and maintain API documentation, including API definitions, data models, and usage guidelines. * Implement security measures to protect APIs from unauthorized access, data breaches, and other security threats. * Ensure compliance with relevant security standards, regulations, and industry best practices. * Optimize API gateway performance, scalability, and reliability to meet business requirements. * Monitor and analyze API traffic, identifying bottlenecks and areas for improvement. * Integration and Collaboration: * Collaborate with development teams to integrate APIs with various systems, services, and applications. * Work with stakeholders to understand business requirements and translate them into technical solutions. * Develop and execute test plans to validate API functionality, security, and performance. * Identify and resolve defects, ensuring high-quality API gateways. * Deploy and maintain COTS applications in a cloud-based environment * Work with internal engineering resources as well as customer end-users to design and enhance the user interfaces for supported applications, maintaining responsive designs that accommodate challenging technical and functional requirements * Support operations functions, including root cause identification, remediation and documentation (e.g., user guides, 'how to' guides, infrastructure diagrams) * Work closely with clients and cross-functional departments on technical issues including software system troubleshooting and maintenance and to communicate project statuses * Monitor system performance * Prepare technical presentations for government and senior leadership * Work effectively in a team environment * Work across infrastructure that contains both Linux and Windows * Communicate effectively with technical and non-technical, management and customer both written and verbally * Utilize robust troubleshooting skills * Instill and apply solid engineering rigor, to include configuration management, testing * Develop/engineer as part of an Agile scrum team #LI-DE1 XYZ Required Education, Experience, & Skills We are actively seeking candidates with a minimum of 10 years' relevant experience. Bachelor's or Master's degree in a STEM field is required. Specific skills include the following: * At a minimum, meet DoDD 8140 requirements (Security+ CE Certification) * Expertise working with Windows platforms and COTS applications in cloud environments * 5+ years of experience with API gateway technologies (Broadcom API experience is strongly preferred) * Strong understanding of API design principles, security best practices, and industry-standard protocols * Proficiency in programming languages such as Java, Python, or C#. * Experience with cloud-based technologies, including AWS, Azure, or Google Cloud Platform. * Familiarity with containerization (e.g., Docker) and orchestration (e.g., Kubernetes). * Excellent communication and collaboration skills. * Strong problem-solving and analytical skills. * Ability to work in an Agile development environment. * Solid engineering rigor * Expert troubleshooting and solutioning skills, including investigating log files to discover root-cause for challenges * Experience with Cloud architecture and system design * Demonstrated experience with system testing and validation * Strong documentation skills Preferred Education, Experience, & Skills * API-related certifications (e.g., AWS Certified Developer, Azure API Management Certified) * Experience with API management platforms (e.g., MuleSoft, Apigee) * Broadcom API gateway technologies experience * Experience with service mesh technologies (e.g., Istio, Linkerd) * Experience with Model-Based Systems Engineering (MBSE) * Experience with Cloud solution optimization * Experience with ServiceNow * Familiarity with customer system security requirements and processes * Other Cloud experience (Azure, Google, Oracle, IBM) * Integration of virtualized applications and application streaming or layering techniques * Assist with leading and overseeing a total system perspective including technical understanding of relationships, dependencies and requirements of cloud services, infrastructure and security domains * Experience designing APIs such as REST or GraphQL and event-driven systems * Experience with API Gateways, catalogs * Experience integrating complex systems using APIs, message queues, streaming platforms, and ETL pipelines Pay Information
Full-Time Salary Range: $149603 - $254317 Please note: This range is based on our market pay structures. However, individual salaries are determined by a variety of factors including, but not limited to: business considerations, local market conditions, and internal equity, as well as candidate qualifications, such as skills, education, and experience. Employee Benefits: At BAE Systems, we support our employees in all aspects of their life, including their health and financial well-being. Regular employees scheduled to work 20+ hours per week are offered: health, dental, and vision insurance; health savings accounts; a 401(k) savings plan; disability coverage; and life and accident insurance. We also have an employee assistance program, a legal plan, and other perks including discounts on things like home, auto, and pet insurance. Our leave programs include paid time off, paid holidays, as well as other types of leave, including paid parental, military, bereavement, and any applicable federal and state sick leave. Employees may participate in the company recognition program to receive monetary or non-monetary recognition awards. Other incentives may be available based on position level and/or job specifics. About BAE Systems Intelligence & Security BAE Systems, Inc. is a defense, aerospace, and security company headquartered in Falls Church, Virginia, with more than 40,000 employees worldwide. We serve, supply, and protect those who protect us. As one of the most geographically diverse international defense companies, we deliver a full range of products and services spanning air, land, maritime, space, and cyber, including advanced electronics, intelligence solutions, and dedicated customer support. Our culture is performance-driven and values-led, built on curiosity, creativity, and collaboration. Purpose isn't a tagline here. It's what drives us. We're developing breakthrough technologies that defend national security and make a lasting impact on our communities and our planet. When you join BAE Systems, you're not just building a career. You're contributing to a mission that truly matters. This position will be posted for at least 5 calendar days. The posting will remain active until the position is filled, or a qualified pool of candidates is identified.

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About BAE Systems

Sourced by ZipRecruiter

At BAE Systems, we provide some of the world's most advanced, technology-led defence, aerospace and security solutions. We employ a skilled workforce of more than 93,000 in around 40 countries. Working with customers and local partners, we develop, engineer, manufacture, and support products and systems to deliver military capability, protect national security and people, and keep critical information and infrastructure secure.

Industry

National security and international affairs and it services

Company size

10,000+ Employees

Headquarters location

Falls Church, VA, US