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Contractual Api Developer Jobs (NOW HIRING)

VTG

Software Developer (Python)

Herndon, VA · On-site

$180K - $230K/yr

Knowledge of RESTful API development and integration * Understanding of Linux/Unix operating system ... include contractual requirements which may cause an offer to fall outside of this range.

VTG

Software Developer (Python)

Herndon, VA · On-site

$180K - $230K/yr

Knowledge of RESTful API development and integration * Understanding of Linux/Unix operating system ... contractual requirements which may cause an offer to fall outside of this range.

VTG

Software Developer (Mid)

Riverdale, MD · Hybrid

$110K - $150K/yr

API Development: Experience designing, implementing, and maintaining APIs * DevSecOps: Working ... include contractual requirements which may cause an offer to fall outside of this range ...

Dev Technology

DevOps Engineer

Ashburn, VA · Hybrid

$100K - $125K/yr

Experience with tools such as Git, Gitlab, Maven/Gradle, Nodejs, npm, REST API / curl, jq ... Offered salary is based on experience, geographic location, and possibly contractual requirements ...

VTG

Software Developer/Systems Engineer

Herndon, VA · On-site

$180K - $230K/yr

... API updates, data format changes, and vendor issues; • Integrate AI capabilities for data ... contractual requirements which may cause an offer to fall outside of this range.

Steampunk

Salesforce DevOps Engineer

Mclean, VA · On-site

$80K - $175K/yr

Use Salesforce CLI, Salesforce DX, Metadata API, and related tools to support source-driven ... limited to geographic location, contractual requirements, education, knowledge, skills ...

New

Steampunk

Salesforce DevOps Engineer

Mclean, VA

$80K - $175K/yr

Use Salesforce CLI, Salesforce DX, Metadata API, and related tools to support source-driven ... limited to geographic location, contractual requirements, education, knowledge, skills ...

New

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Contractual Api Developer information

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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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Contractual Api Developer jobs near you
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.

Supply Chain Quality Engineer

Buffalo, NY • On-site

API Heat Transfer
Industrial Machinery Manufacturing • 1 - 5K employees
Learn more about API Heat Transferexternal

$60K - $80K/yr

Full-time

Medical, Retirement, PTO

Posted 15 days ago

Job description

API Heat Transfer is looking for people who enjoy being part of our growth. Our Operations Team is focused on building a world-class supply chain that delivers quality, reliability, and value to our customers. If you enjoy solving problems, building supplier partnerships, and driving continuous improvement throughout the supply chain, we'd love to speak with you about our Supply Chain Quality Engineer position.
At API, we take our culture transformation seriously. To help find the best fit for our positions and organization, we ask that you complete our 10-minute Culture Index Survey. Simply follow the link after submitting your application to help us use our interview time to dive deeper into your job behaviors and work history. https://surveys.cultureindex.com/s/7Y0awCvsZZ/91889
What We Offer You
  • Stable and growing 140+ year-old company
  • Career development and advancement opportunities
  • Ability to impact customers across multiple industries
  • Full health & welfare benefits, 401(k), and PTO
  • Competitive salary and performance-based growth opportunities
  • Pay Range: $60,000 - $80,000 (based on experience and qualifications)

What You Will Do
We are seeking a driven and highly organized Supply Chain Quality Engineer to develop, manage, and improve supplier quality performance across our supply chain. This position serves as the primary quality liaison between API and its suppliers, ensuring materials, components, and manufacturing processes consistently meet company requirements.
This role requires frequent interaction with suppliers and includes travel to vendor facilities to conduct audits, assess manufacturing capabilities, certify suppliers, investigate quality concerns, and drive continuous improvement initiatives.
The ideal candidate will possess strong technical expertise, auditing experience, and the ability to build productive partnerships with suppliers while maintaining a focus on quality, compliance, and risk reduction.
Key Responsibilities
Supplier Qualification & Development
  • Evaluate, qualify, and approve new suppliers through capability assessments and quality audits.
  • Conduct on-site supplier audits to verify compliance with API requirements, industry standards, and customer specifications.
  • Assess supplier manufacturing processes, quality systems, and technical capabilities.
  • Develop supplier improvement plans and monitor progress against established objectives.
  • Support supplier certification programs and ongoing supplier performance evaluations.

Supplier Quality Management
  • Establish and maintain supplier quality requirements, specifications, and expectations.
  • Analyze supplier performance metrics and identify opportunities for improvement.
  • Lead supplier corrective action requests (SCARs) and verify effectiveness of implemented corrective actions.
  • Partner with suppliers to resolve non-conformances and recurring quality issues.
  • Drive root cause investigations using methodologies such as 8D, 5 Whys, Fishbone Diagram, and Pareto Analysis.
  • Support containment activities and recovery plans related to supplier quality concerns.

Material & Process Qualification
  • Review and approve supplier PPAPs, FAI documentation, inspection plans, and qualification packages as applicable.
  • Evaluate raw materials, components, and outsourced manufacturing processes for compliance with engineering and quality requirements.
  • Participate in material qualification and validation activities.
  • Ensure suppliers maintain required certifications and compliance documentation.

Supply Chain Risk & Continuous Improvement
  • Identify and mitigate supplier-related quality risks.
  • Collaborate with Supply Chain, Engineering, Operations, and Quality teams to improve supplier performance and product quality.
  • Support supplier scorecard development and quarterly business reviews.
  • Recommend sourcing improvements based on supplier capability, quality performance, and risk assessments.
  • Participate in strategic initiatives aimed at improving supply chain reliability and quality.

Compliance & Auditing
  • Conduct supplier audits in accordance with ISO 9001 and company standards.
  • Ensure supplier compliance with contractual, customer, regulatory, and quality requirements.
  • Maintain supplier audit reports, qualification records, and corrective action documentation.
  • Support customer audits involving supplier quality and traceability requirements.

Qualifications
Required
  • Bachelor's degree in Engineering, Manufacturing Engineering, Industrial Engineering, Quality Engineering, or related technical field.
  • Minimum 3 years of experience in Supplier Quality, Quality Engineering, Manufacturing Engineering, or a related discipline.
  • Working knowledge of ISO 9001:2015 quality management systems.
  • Experience conducting supplier audits and supplier assessments.
  • Strong understanding of manufacturing processes, machining, fabrication, welding, castings, electrical components, and purchased materials.
  • Ability to interpret engineering drawings, specifications, and technical requirements.
  • Strong problem-solving and analytical skills.

Preferred
  • ASQ Certified Quality Engineer (CQE) and/or Certified Quality Auditor (CQA).
  • Lead Auditor certification.
  • Experience with supplier qualification and development programs.
  • Experience in manufacturing, heat transfer, industrial equipment, or engineered-to-order environments.
  • Knowledge of PPAP, APQP, FMEA, SPC, and MSA methodologies.
  • Experience with non-destructive examination (NDE); certified VT and/or PT Level I.

Skills & Competencies
  • Strong relationship-building and supplier management skills.
  • Excellent verbal and written communication skills.
  • Ability to influence suppliers and drive accountability.
  • Strong project management and organizational skills.
  • Data-driven decision making and analytical thinking.
  • Ability to balance quality, cost, and delivery considerations.
  • Self-motivated and capable of working independently with minimal supervision.

Physical Requirements
  • Frequent use of computers and office equipment.
  • Ability to travel to supplier facilities, manufacturing sites, and customer locations.
  • Ability to walk production floors and manufacturing environments.
  • Occasionally lift up to 20 pounds.
  • Ability to conduct inspections in industrial environments.

Travel Required
25-50% travel required, including visits to supplier facilities throughout North America and occasional international travel as business needs dictate.
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