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Freelance Integration Software Engineer Jobs in Washington

TIAG

Senior AI-ML Integration Software Engineer

Reston, VA · On-site

$127K - $168K/yr

... integration of cutting-edge Artificial Intelligence (AI) and Machine Learning (ML) capabilities into our product suite. The ideal candidate will combine strong traditional software engineering ...

Cymertek

Software Integration Engineer

Reston, VA · On-site

$108K - $145K/yr

Software Integration Engineer LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a highly motivated and detail ...

Cymertek

Software Integration Engineer

Tysons, VA · On-site

$104K - $140K/yr

Software Integration Engineer LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a highly motivated and detail ...

Cymertek

Software Integration Engineer

Chantilly, VA · On-site

$107K - $144K/yr

Software Integration Engineer LOCATION Chantilly, VA 20151 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a highly motivated and ...

Cymertek

Software Integration Engineer

Annapolis Junction, MD · On-site

$106K - $143K/yr

Software Integration Engineer LOCATION Annapolis Junction, MD 20701 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a highly motivated ...

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Freelance Integration Software Engineer information

What is the difference between Freelance Integration Software Engineer vs Freelance Software Developer?

AspectFreelance Integration Software EngineerFreelance Software Developer
Primary FocusDesigning and implementing system integrations and APIsDeveloping standalone applications or features
Required SkillsAPI development, system architecture, integration toolsProgramming languages, application development, UI/UX
Work EnvironmentClient sites, remote, collaborative with IT teamsRemote, independent, project-based
Common CertificationsAPI certifications, cloud platform credentialsProgramming language certifications, software development courses

Freelance Integration Software Engineers focus on connecting different systems and APIs, often working closely with IT teams. Freelance Software Developers create standalone applications or features. While both roles require programming skills, integration engineers emphasize system interoperability, whereas developers focus on application creation.

What are some common challenges a Freelance Integration Software Engineer might face when working with multiple clients?

Freelance Integration Software Engineers often encounter challenges such as managing different client expectations, working with diverse technology stacks, and aligning integration standards across various systems. Since each client may use unique tools and workflows, adaptability and strong communication skills are essential to ensure seamless integration. Additionally, coordinating with remote development teams and adhering to project timelines can be demanding, but these experiences also help build a versatile skill set and professional reputation.

What is a Freelance Integration Software Engineer?

A Freelance Integration Software Engineer is an independent professional who specializes in connecting and combining different software systems so they can work together seamlessly. They are typically hired on a project basis to develop, implement, and maintain integrations between applications, databases, APIs, and other digital services. These engineers ensure data flows smoothly across platforms, streamline business processes, and resolve compatibility issues. Freelancers in this role often work remotely and serve multiple clients across industries.

What are the key skills and qualifications needed to thrive as a Freelance Integration Software Engineer, and why are they important?

To thrive as a Freelance Integration Software Engineer, you need strong programming skills (often in languages like Java, Python, or JavaScript), experience with APIs, and a solid understanding of system integration concepts, typically backed by a degree in computer science or related field. Familiarity with integration platforms (such as MuleSoft, Dell Boomi, or Zapier), cloud services, and relevant certifications (like MuleSoft Certified Developer or AWS Certified Solutions Architect) is highly valuable. Excellent problem-solving, communication, and time-management skills help you collaborate with clients and efficiently deliver solutions in a freelance environment. These capabilities are essential to ensure seamless connectivity between systems, deliver high-quality client solutions, and manage projects independently.
What are the most commonly searched types of Integration Software Engineer jobs in Washington? The most popular types of Integration Software Engineer jobs in Washington are:
What are popular job titles related to Freelance Integration Software Engineer jobs in Washington? For Freelance Integration Software Engineer jobs in Washington, the most frequently searched job titles are:
What job categories do people searching Freelance Integration Software Engineer jobs in Washington look for? The top searched job categories for Freelance Integration Software Engineer jobs in Washington are:
Freelance Integration Software Engineer jobs near you
Senior Integration Software Engineer - Clearance Required - HYBRID

Senior Integration Software Engineer - Clearance Required - HYBRID

Lockheed Martin Corporation

Annapolis Junction, MD • Hybrid

$106K - $143K/yr

Other

Posted 2 days ago

Lockheed Martin rating

8.2

Company rating: 8.2 out of 10

Based on 389 frontline employees who took The Breakroom Quiz

37th of 71 rated aerospace companies

Job description

This position is participating in our External Referral Program. If you know somebody who may be a fit, click here to submit a referral. If your referral is hired, you'll receive a payment! code-extrefer
Senior Integration Software Engineer - Clearance Required
WHAT WE'RE DOING
Join Lockheed Martin Rotary and Mission Systems, Cyber & Intelligence, where we foster innovation and integrity.
As a Senior Integration Software Engineer, you'll be empowered to create ew realities and pioneer solutions that break boundaries.
Benefit from the support of a global technology leader that values innovative thinking and provides the resources to turn ideas into reality.
Build on our proud legacy of achievement and contribute to shaping the future of aerospace, defense, and security solutions.
THE WORK
TKO provides systems engineering, software development, data science and cloud development and engineering services to the Cyber Infrastructure Solutions customer. The services enable the Data Transformation, Malware Analysis, and Cyber Threat Intelligence processing and sharing capabilities for the customer, fulfilling mission objectives and offering actionable information to detect and mitigate cyber threats. The contract has several locations in Maryland and a small contingent in Texas.
WHO WE ARE
Lockheed Martin is a global leader in aerospace, defense, and security solutions, committed to excellence and integrity.
WHO YOU ARE
You are a Software Engineer who will support the Cybersecurity Infrastructure (CI) TTO which defends our nation's most critical unclassified and classified networks. You will be on the Integration team supporting the cyber threat intelligence (CTI) sharing data flow and associated services.
You will collaborate with other teams to develop and integrate Kubernetes hosted services in support of the CTI sharing mission.
WHY JOIN US
Join a global technology leader where your ideas can make a difference and your contributions are valued.
Work on exciting projects that challenge you to push boundaries and innovate.
Grow your career in an environment that encourages learning, development, and creativity.
#RMSTKO2026

What Lockheed Martin employees say

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About Lockheed Martin

Sourced by ZipRecruiter

As a global security and aerospace company, the majority of Lockheed Martin's business is with the U.S. Department of Defense and U.S. federal government agencies.The remaining portion of Lockheed Martin's business is comprised of international government and commercial sales of products, services and platforms.

Industry

Manufacturing

Company size

10,000+ Employees

Headquarters location

Bethesda, MD, US

Year founded

1912

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