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Contractual Api Developer Jobs (NOW HIRING)

Integration Developer

Mclean, VA ยท On-site

$125 - $150/hr

Versed with API Gateways (i.e., Kong, Apigee, etc.) and authentication providers such as OKTA ... limited to geographic location, contractual requirements, education, knowledge, skills ...

Integration Developer

Mclean, VA ยท On-site +1

$100K - $160K/yr

Versed with API Gateways (i.e., Kong, Apigee, etc.) and authentication providers such as OKTA ... limited to geographic location, contractual requirements, education, knowledge, skills ...

Integration Developer

Mclean, VA ยท On-site +1

$100K - $160K/yr

Versed with API Gateways (i.e., Kong, Apigee, etc.) and authentication providers such as OKTA ... limited to geographic location, contractual requirements, education, knowledge, skills ...

Integration Developer

Mclean, VA ยท On-site

$100K - $160K/yr

Versed with API Gateways (i.e., Kong, Apigee, etc.) and authentication providers such as OKTA ... limited to geographic location, contractual requirements, education, knowledge, skills ...

Integration Engineer

Mclean, VA ยท On-site +1

$100K - $160K/yr

Minimum 2 years of experience as a REST API Developer - designing, creating, and supporting complex ... limited to geographic location, contractual requirements, education, knowledge, skills ...

Integration Engineer

Mclean, VA ยท On-site +1

$100K - $160K/yr

Minimum 2 years of experience as a REST API Developer - designing, creating, and supporting complex ... limited to geographic location, contractual requirements, education, knowledge, skills ...

Minimum 2 years of experience as a REST API Developer - designing, creating, and supporting complex ... limited to geographic location, contractual requirements, education, knowledge, skills ...

Integration Engineer

Mclean, VA ยท On-site

$125 - $150/hr

Minimum 2 years of experience as a REST API Developer - designing, creating, and supporting complex ... limited to geographic location, contractual requirements, education, knowledge, skills ...

Integration Engineer

Mclean, VA ยท On-site +1

$100K - $160K/yr

Minimum 2 years of experience as a REST API Developer - designing, creating, and supporting complex ... limited to geographic location, contractual requirements, education, knowledge, skills ...

Minimum 2 years of experience as a REST API Developer - designing, creating, and supporting complex ... limited to geographic location, contractual requirements, education, knowledge, skills ...

Integration Engineer

Mclean, VA ยท On-site +1

$100K - $160K/yr

Minimum 2 years of experience as a REST API Developer - designing, creating, and supporting complex ... limited to geographic location, contractual requirements, education, knowledge, skills ...

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Contractual Api Developer information

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$10

$59

$77

How much do contractual api developer jobs pay per hour?

As of Sep 9, 2026, the average hourly pay for contractual api developer in the United States is $59.89, according to ZipRecruiter salary data. Most workers in this role earn between $54.57 and $67.31 per hour, depending on experience, location, and employer.

What is a contractual API developer?

Contractual API Developers are professionals hired on a contract basis to design, build, and maintain Application Programming Interfaces (APIs) for organizations. They typically work for a specified period or project, rather than as full-time employees. These developers ensure that APIs function correctly, are secure, and meet business requirements, enabling different software systems to communicate efficiently. Contractual API Developers are often brought in for specialized expertise or to handle increased workloads during specific projects.

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

To thrive as a Contractual API Developer, you need strong programming skills in languages such as JavaScript, Python, or Java, along with a solid understanding of API design principles and RESTful architecture. Familiarity with API management tools, documentation platforms like Swagger/OpenAPI, and version control systems such as Git is typically required. Excellent problem-solving, communication, and time management skills help you collaborate with clients and deliver solutions efficiently on project-based timelines. These skills ensure you can build secure, scalable APIs and meet diverse client requirements within contractual constraints.

What are some common challenges faced by contractual API developers, and how can they be managed effectively?

Contractual API developers often face challenges such as quickly adapting to unfamiliar codebases, aligning with the client's existing development standards, and ensuring smooth communication with in-house teams. Managing these challenges requires strong documentation practices, proactive communication, and a clear understanding of project requirements before development begins. Staying organized and setting regular check-ins with stakeholders can help address issues early and keep the project on track.
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Infographic showing various Contractual Api Developer job openings in the United States as of September 2026, with employment types broken down into 85% Full Time, 3% Part Time, and 12% Contract. Highlights an 79% Physical, 4% Hybrid, and 17% Remote job distribution, with an average salary of $124,567 per year, or $59.9 per hour.

Integration Developer

Mclean, VA โ€ข On-site

Steampunk
IT Servicesย โ€ขย 201 - 500 employees

$125 - $150/hr

Other

Re-posted 8 days ago


Job description

Overview

As a Steampunk Integration Developer, you will design, develop, evaluate, and modify system interfaces and integrations. You will participate in the testing process through test execution, test script development, test review, and analysis. You should have experience using middleware to integrate a variety of cloud and on-premise systems, including SaaS systems, SQL databases, document storage solutions, and APIs. You will follow coding standards and participate in code reviews during projects to ensure appropriate design patterns are followed.

Contributions
  • Provide technical knowledge and analysis of highly specialized applications and operational environment, high-level functional systems analysis, design, integration, documentation, and implementation advice on moderately complex problems that require an appropriate level of knowledge of API development, deployment, and support for effective implementation.
  • Able to visualize and translate business integration requirements into functional execution requirements.
  • Design REST APIs using the OpenAPI specification implemented on the Spring Boot and Camel open-source stack and Optional MuleSoft Anypoint Platform is essential
  • Should have a wide breath of integration experience with RDMS systems, SAP, Salesforce, SharePoint, NoSQL data sources and various ERP integration experience.
  • Well versed with EIA patterns and integration best practices associated with Microservices. Versed with the challenges surrounding transactional based systems and large bulk data consumers.
  • Able to design and implement multi-level secure integration networks.
  • Comfortable working closely with business stakeholders to clarify and document integration requirements.
  • Responsible for maintaining consistency between Salesforce sandbox environments, from Development through QA, UAT and Production + Manage deployments between sandbox environments
  • Negotiate, plan, and manage all release activities.
  • Manage risks and resolve issues that affect release scope, schedule, and quality.
  • Measure and monitor progress to ensure application releases are delivered on time.
  • Communicate all key project plans, commitments, and changes including requirements, QA plans, schedule, and scope changes.
  • Communicate release details, expectations and schedules to the Business as required.
  • Conduct release readiness reviews, milestone reviews, and business Go/No-Go reviews.
  • Provide regular release reporting to Stakeholders and project team.
  • Work closely with development staff to resolve build problems and merge conflicts
  • Continually work towards making improvements in the release process by documenting release issues and developing plans to improve process or automation
  • Maintain a release repository and manage key information such as build and release procedures, dependencies, and notification lists.
Qualifications
  • Must be a U.S. citizen
  • Minimum 5 years of hands-on information technology implementation experience.
  • Minimum 3 years of experience as a REST API Developer โ€“ designing, creating, and supporting complex integration networks.
  • Bachelorโ€™s degree in computer science, information systems or equivalent.
  • Experienced Spring Boot and Camel Microservices Developer. Should be very comfortable operating in the ranks of a developer.
  • 2 to 3 yearsโ€™ experience with a range of RDBMS (i.e. Oracle, DB2, SQL Server, etc.) technologies.
  • Versed in security implements such as OAUTH2, OpenID, JWT.
  • Versed with API Gateways (i.e., Kong, Apigee, etc.) and authentication providers such as OKTA, AUTH0, etc.) a plus.
  • 2 to 3 years MuleSoft experience a plus.
  • Demonstrated ability to coordinate cross-functional work teams toward task completion.
  • Previous handsโ€‘on experience in release management
  • Knowledge of software development lifecycle
  • Solid understanding of project management principles

Preferred:

  • Experience managing Salesforce integrations along with core development and delivery skills
  • Experience in the CRM domain; understanding of overall SFDC architecture and working knowledge of SFDC integration approach, architecture and release management
  • Experience with SAFe Agile development methodologies
About steampunk

Steampunk relies on several factors to determine salary, including but not limited to geographic location, contractual requirements, education, knowledge, skills, competencies, and experience. The projected compensation range for this position is $100,000 to $160,000. The estimate displayed represents a typical annual salary range for this position. Annual salary is just one aspect of Steampunkโ€™s total compensation package for employees. Learn more about additional Steampunk benefits here.

Identity Statement

As part of the application process, you are expected to be on camera during interviews and assessments. We reserve the right to take your picture to verify your identity and prevent fraud.

Steampunk is a Change Agent in the Federal contracting industry, bringing new thinking to clients in the Homeland, Federal Civilian, Health and DoD sectors. Through our Human-Centered delivery methodology, we are fundamentally changing the expectations our Federal clients have for true shared accountability in solving their toughest mission challenges.If you want to learn more about our story, visit http://www.steampunk.com.

We are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability status, protected veteran status, or any other characteristic protected by law.Steampunk participates in the E-Verify program.

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