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Api Developer Jobs in Baltimore, MD (NOW HIRING)

Momentum Engineering, Inc

ME00660-Agile Developer 3

Annapolis, MD · On-site

$110 - $170/hr

  • Medical

  • Dental

  • Vision

  • Life

  • PTO

Momentum Engineering, Inc. fosters an employee-centric culture. Our strength lies in our people ... Develop and maintain automated functional, API, regression, performance, accessibility, and end-to ...

Eccalon LLC

Full Stack Developer

Hanover, MD

Integrate LLM and AI capabilities into product features using the Anthropic API (Claude) and other model providers; apply prompt engineering, retrieval-augmented generation (RAG), and agentic ...

Excyl Inc

Sr DevOps Engineer

Owings Mills, MD · Remote

$124K - $160K/yr

Significant experience (6+ years) with DevOps tools (Git/Bitbucket, JIRA, Jenkins) * Experience (6+ ... Align API skills can transfer, if candidate can learn fast) * Integrate AWS codepipeline with ...

Excyl Inc

Sr DevOps Engineer

Owings Mills, MD · On-site +1

$124K - $160K/yr

Significant experience (6+ years) with DevOps tools (Git/Bitbucket, JIRA, Jenkins) * Experience (6+ ... Align API skills can transfer, if candidate can learn fast) * Integrate AWS codepipeline with ...

Themis Insight

Application Engineer 4 (API)

Linthicum, MD · On-site

$100 - $120/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

We are hiring an Application Engineer 4 (API) to work in Linthicum Heights, MD . Position location ... The developer will provide middleware and backend support to all system applications. Individual ...

Themis Insight

Application Engineer 4 (API)

Linthicum, MD · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

We are hiring an Application Engineer 4 (API) to work in Linthicum Heights, MD . Position location ... The developer will provide middleware and backend support to all system applications. Individual ...

Power3 Solutions

Application Engineer 4 (API)

Linthicum, MD · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

We are hiring an Application Engineer 4 (API) to work in Linthicum Heights, MD . Position location ... The developer will provide middleware and backend support to all system applications. Individual ...

Momentum Engineering, Inc

ME00663-Agile Developer 3

Annapolis, MD · On-site

$110 - $160/hr

  • Medical

  • Dental

  • Vision

  • Life

  • PTO

Momentum Engineering, Inc. fosters an employee-centric culture. Our strength lies in our people ... Familiarity with automated regression, integration, API, and web application testing Exempt hourly ...

Bertelsmann-Jobs

Developer, Applications

Westminster, MD · On-site

  • Medical

  • Retirement

  • PTO

TCP/IP socket programming, API programming/usage * Git Source Code Repository, VS Code Additional Information The salary for this position is $70,000-$85,000. This position is eligible for bonus ...

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Showing results 41-60

All JobsApi Developer JobsApi Developer Jobs in Baltimore, MD

Api Developer information

See Baltimore, MD salary details

$10

$59

$77

How much do api developer jobs pay per hour?

As of Aug 19, 2026, the average hourly pay for api developer in Baltimore, MD is $59.51, according to ZipRecruiter salary data. Most workers in this role earn between $54.23 and $66.88 per hour, depending on experience, location, and employer.

What does an API developer do?

An API Developer is responsible for designing, building, and maintaining application programming interfaces (APIs) that enable software applications to communicate with each other. They ensure APIs are secure, scalable, and efficient, often working with technologies like REST, GraphQL, and SOAP. API Developers collaborate with front-end and back-end teams to integrate systems and improve functionality. Their role also involves debugging, optimizing performance, and documenting API usage.

What are the key skills and qualifications needed to thrive as an API developer?

To thrive as an API Developer, you need strong programming skills in languages like JavaScript, Python, or Java, as well as a solid understanding of RESTful and SOAP API protocols. Proficiency with tools such as Postman, Swagger, and familiarity with API security, cloud platforms, and relevant certifications (like AWS Certified Developer) are commonly required. Excellent problem-solving abilities, attention to detail, and clear communication skills help you collaborate effectively and navigate complex development challenges. These capabilities are crucial for building reliable, scalable APIs that enable seamless integration between diverse systems and deliver value to users and teams.

What does a typical workday look like for an API developer?

A typical workday for an API Developer involves designing, coding, and testing APIs to ensure they meet business requirements and function optimally. You’ll frequently troubleshoot integration issues, review code for security and performance, and collaborate closely with front-end, back-end, and product teams to address evolving project needs. Daily tasks may include updating API documentation, participating in agile sprint meetings, and responding to technical support queries from other developers or partners. The work environment is often dynamic and collaborative, with a strong emphasis on continuous learning and adapting to new technologies.

Are API developers in demand?

API developers are in high demand due to the increasing reliance on web services and integrations across industries. Skills in REST, SOAP, and cloud platforms like AWS or Azure enhance job prospects, and demand is expected to grow as digital transformation accelerates.

How much does an API developer make?

An API developer's salary varies based on experience, location, and skills, but typically ranges from $70,000 to $130,000 annually. Senior developers with expertise in RESTful APIs, security, and cloud platforms can earn higher salaries, especially in competitive markets.

Is an API developer a good career?

An API developer is a valuable role in software development, focusing on designing and maintaining application programming interfaces that enable different software systems to communicate. The role often requires knowledge of programming languages, API protocols, and tools like REST or GraphQL, and offers opportunities for growth in technology companies and development teams. It can be a stable and well-paying career path with demand driven by digital integration needs.

What are popular job titles related to Api Developer jobs in Baltimore, MD?

For Api Developer jobs in Baltimore, MD, the most frequently searched job titles are:

What job categories do people searching Api Developer jobs in Baltimore, MD look for?

The top searched job categories for Api Developer jobs in Baltimore, MD are:

What cities near Baltimore, MD are hiring for Api Developer jobs?

Cities near Baltimore, MD with the most Api Developer job openings:

Api Developer jobs near you
Infographic showing various Api Developer job openings in Baltimore, MD as of August 2026, with employment types broken down into 81% Full Time, 5% Part Time, and 14% Contract. Highlights an 83% Physical, 5% Hybrid, and 12% Remote job distribution, with an average salary of $123,775 per year, or $59.5 per hour.

Full Stack Developer

SYSTEM SOFT TECHNOLOGIES LLC

Woodlawn, MD • On-site

Other

Posted 28 days ago

Job description

Senior Full Stack developer (Java/Angular) to be part of the mission solution and help lead our divisions Digital Modernization Strategy. Join one of our high performing teams responsible for building the next-generation enterprise APIs and modern responsive user interfaces. We are a team of forward-looking professionals in need of a strong candidate with these key required skills: Strong knowledge of modern Java, Angular 9 and above, Spring boot, and REST API.

*** Selected candidate must be willing to work on-site in Woodlawn, MD 5 days a week.

In-Person Interview Required

DAY TO DAY RESPONSIBILITIES

  • Design and develop software applications using Twelve-Factor App methodology from functional requirement Design and develop applications using Angular, Java, REST API and spring boot
  • Collaborate with product design and engineering teams to develop an understanding of needs.
  • Attend all Agile ceremonies.
  • Mentor Junior staff
  • Design and develop Microservices using Spring Boot, Java and RESTful architecture.
  • Solid understanding of DevOps practices, CI/CD pipelines, and tools such as Jenkins, Git, Bitbucket, and experience with cloud platforms (AWS, Azure, or Google Cloud) and containerization technologies.
  • All other duties as assigned or directed.

FOUNDATION FOR SUCCESS (Basic Qualifications)

  • Bachelor's degree in computer science, Mathematics, Engineering, or a related field. Additional years of experience may be substituted in lieu of degree.
  • Masters or Doctorate degree may substitute for required experience
  • Hands on experience with Java and Angular development
  • 10+ years of experience with programming and designing software with Java
  • 8+ years of experience on an Agile development team, preferable Scaled Agile Framework (SAFe)
  • Must be able to obtain and maintain a Public Trust. Contract requirement.
  • Extensive understanding and experience in programming and designing software with Angular and Java. Strong experience in Java/J2EE, Angular 9 and above, Spring Boot, and Spring.
  • Strong understanding of Hibernate, JPA and JDBC
  • Strong understanding of OOPS, Twelve Factor Application Design principles, architecture styles and APIs (Web API/Rest API)
  • Develop applications using Java/Spring Boot and design and develop database components using PostgreSQL DB or Oracle as needed for application.
  • Strong front-end development skills: Angular 9.0 and above, HTML/JavaScript, React.js, Cascading Style Sheets (CSS), YUI and/or JQuery
  • Strong development experience on Microservices and REST API.
  • Work on Agile projects and work with tools including VersionOne/JIRA

(Desired Skills)

Showcase your knowledge of modern development through the following experience or skills:

  • Experience with modern development software, tools, and methodologies; Jenkins, Splunk, Git/BitBucket, Jira/VersionOne, Nexus, Maven, Jenkins, OpenShift, XML/XSLT, VisualVM/Eclipse Profiler (Java performance monitoring tool), Amazon Web Services (S3), BDD (Cucumber or similar)
  • Experience working on Agile projects and understanding Agile terminology.
  • Work in DevOps Environment.
  • Experience with Linux environments.
  • Participate in daily scrum and provide updates.

Apply