1

Freelance Integration Software Engineer Jobs in Dallas, TX

Software Integration Lead - 5G CORE

Arlington, TX · Remote

$93K - $126K/yr

We are looking for a Software Integration Lead to own the integration of back-end subscriber and ... Lead and mentor a small integration engineering team (2-4 engineers); set delivery cadence and ...

Integration Engineer

Plano, TX · On-site

$99K - $134K/yr

Integration Engineer Location: Multiple Locations / Travel Required Experience: 5+ Years Key ... Support software upgrades, patches, and network optimization activities. Required Skills * Strong ...

Integration Engineer

Plano, TX · On-site

$99K - $134K/yr

Integration Engineer Location: Multiple Locations / Travel Required Experience: 5+ Years Key ... Support software upgrades, patches, and network optimization activities. Required Skills * Strong ...

AI Software Engineer

Plano, TX · On-site

$100 - $150/hr

Integrate APIs, databases, AI-enabled technologies, and third-party services into production ... Startup, consulting, freelance, or founding engineer experience highly valued COMPENSATION AND ...

Embedded C++ Software Engineer - Avionics Display Systems This role focuses on designing ... Perform software integration activities across multiple display applications and system-level ...

Showing results 21-40

Freelance Integration Software Engineer information

See Dallas, TX salary details

$44K

$122.9K

$171.6K

How much do freelance integration software engineer jobs pay per year?

As of Aug 22, 2026, the average yearly pay for freelance integration software engineer in Dallas, TX is $122,937.00, according to ZipRecruiter salary data. Most workers in this role earn between $102,900.00 and $138,500.00 per year, depending on experience, location, and employer.

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?

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 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 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 job categories do people searching Freelance Integration Software Engineer jobs in Dallas, TX look for?

The top searched job categories for Freelance Integration Software Engineer jobs in Dallas, TX are:

What cities near Dallas, TX are hiring for Freelance Integration Software Engineer jobs?

Cities near Dallas, TX with the most Freelance Integration Software Engineer job openings:

Software Engineer: Symitar Integration Development

Jack Henry and Associates

Allen, TX

$80K - $100K/yr

Full-time

Posted 4 days ago


Job description

Description & Requirements

Press space or enter keys to toggle section visibility

At Jack Henry, we're more than a technology company, we're a force for good in financial services. We're redefining how community banks and credit unions connect with the people they serve. Our mission is rooted in people inspired innovation, empowering financial institutions to deliver seamless, secure, and human centered experiences. We deliver cutting-edge solutions that are paving the way for the next generation of digital banking and payments, but our true impact begins with our associates.  If you're ready to help transform an industry and grow with a company that values purpose, collaboration, and excellence then we'd love to meet you.  

Symitar Integration Development (SID) is seeking an experienced Software Engineer/Developer to join their team. You will work as part of a team to collaborate, design, build, and code integrations for vendors and Jack Henry product teams.  Come help us build the future!

This is a remote position and candidates must live within approximately a 70-mile radius of our office locations in Allen, TX; Birmingham, AL; Louisville, KY; Charlotte, NC; Springfield, MO; or Monett, MO.

The salary range for this position is $80,000-$100,000 and will be determined based on location and experience level.

All positions, regardless of location, may require an onsite interview or in-person onboarding requirement to verify your identity.  

What you'll be responsible for:

  • Completes product technical design and prototyping, software development, bug verification and resolution.
  • Performs system analysis and programming activities which may require research and timely, effective, and quality delivery of software into production.
  • Provides technical/engineering support for new and existing applications from code delivery until the retirement of the application.
  • Uses best practices and standard guidance to create and modify code. Considers how code changes will affect end users and internal teams.
  • Collaborates with QA team to ensure timely delivery of high-quality products.
  • Works on critical tasks and deliverables with minimal assistance, and sets and updates expectations on size, scope, and timelines.
  • May represent team in cross-team meetings and discussions.
  • Adheres to documented departmental and corporate standards. Participates in the definition and documentation of standards.
  • Plans unit tests and integration tests to ensure the reliability, security, and performance of developed software.
  • Debugs and troubleshoots issues as they arise, providing timely resolutions.
  • Complete software development using PowerOn, HTML, Javascript, Java, and other languages
  • Provides reasonable task and project cost/effort estimates.
  • Develops and tests applications based on business requirements and industry best practices.
  • Assists in training and mentoring less experienced peers.
  • Participates in cross team projects as needed.
  • May perform other job duties as assigned.

What you'll need to have:

  • Bachelor's Degree.
  • 4+ years of technical experience in software development. 
  • Experience with HTML, JavaScript, JSON. 

What would be nice for you to have:

  • Experience with Symitar and PowerOn.
  • Experience with jQuery, Go, Java, and/or SQL.
  • Experience with web services development and/or SymXchange.
  • Experience with Atlassian JIRA, Confluence, and Tempo.
  • Experience with PostMan, SoapUI, Visual Studio, and Eclipse.
  • Financial industry knowledge.

If you got this far, we hope you're feeling excited about this opportunity. Even if you don't feel you meet every single requirement on this posting, we still encourage you to apply. We're looking for passionate, driven individuals who align with our mission and can bring unique perspectives to our team.

Why Jack Henry?

At Jack Henry, we live by the motto: "Do the right thing, do whatever it takes, and have fun." It's more than a tagline, it's the foundation of our culture. We recognize that our associates are the key to our success, and we're deeply committed to their wellbeing. That's why we offer comprehensive benefits designed to support your physical, mental, and financial health so you can thrive both personally and professionally.

We're also leading the way in technology modernization, helping financial institutions evolve with speed, security, and flexibility. Our strategy focuses on delivering secure data access, mitigating fraud, and enabling seamless integration.  Empowering our teams to build innovative solutions that meet the evolving needs of accountholders.

Culture of Commitment

Ask our associates why they love Jack Henry, and many will tell you it is because our culture is exceptional. We do great things together. Our culture empowers us to rise to challenges, seek new opportunities, and support one another through change. It's this shared commitment that drives our success. We're proud to foster an environment where inclusion, sustainability, and community impact are more than values, they're how we operate.  Visit our Corporate Sustainability site to learn more about our culture and commitment to our people, customers, community, environment, and shareholders.

Equal Employment Opportunity

At Jack Henry, we know we are better together. We value, respect, and protect the uniqueness each of us brings. Innovation flourishes by including all voices and makes our business - and our society - stronger. Jack Henry is an equal opportunity employer and we are committed to providing equal opportunity in all of our employment practices, including selection, hiring, performance management, promotion, transfer, compensation, benefits, education, training, social, and recreational activities to all persons regardless of race, religious creed, color, national origin, ancestry, physical disability, mental disability, genetic information, pregnancy, marital status, sex, gender, gender identity, gender expression, age, sexual orientation, and military and veteran status, or any other protected status protected by local, state or federal law.

No one will be subject to, and Jack Henry prohibits, any form of discipline, reprisal, intimidation, or retaliation for good faith reports or complaints of discrimination of any kind, pursuing any discrimination claim, or cooperating in related investigations.

Requests for full corporate job descriptions may be requested through the interview process at any time. Â