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Freelance Integration Software Engineer Jobs in Ohio

Vertiv Co

Sr. Integration Engineer

Westerville, OH · On-site

$100K - $134K/yr

Job Summary The Sr. Integration Engineer plays a major role in the Vertiv digital transformation ... VRT) brings together hardware, software, analytics and ongoing services to enable its customers ...

Vertiv Group Corp.

Sr. Integration Engineer

Westerville, OH · On-site

$100K - $134K/yr

Job Summary The Sr. Integration Engineer plays a major role in the Vertiv digital transformation ... VRT) brings together hardware, software, analytics and ongoing services to enable its customers ...

Litera

Integration Engineering Consultant

London, OH · On-site

$98K - $132K/yr

Data Services Integration Engineer Join the Legal Tech Revolution at Litera Are you ready to shape ... software) * 3+ years' experience in operating in a client facing role * Proven experience ...

USM

Software Engineer ( Core .NET)

Columbus, OH

Company Description USM Business Systems Inc. is a quickly developing worldwide System Integrator ... Team is looking for a Software Engineer with a passion to identify new technologies that will ...

Diaconia LLC

Software Engineer Senior

Dayton, OH · On-site

$85K - $100K/yr

This role requires expertise in software engineering principles, system integration, and assurance practices to ensure mission readiness, safety, and compliance with Air Force directives and ...

Vertiv

Sr. Integration Engineer

Lorain, OH · On-site

$96K - $129K/yr

The Sr. Integration Engineer will mentor and lead integration engineers, build integrations for various business domains, and provide middleware expertise to create scalable solutions.

Diaconia

Software Engineer Senior

Dayton, OH · On-site

$85K/yr

This role requires expertise in software engineering principles, system integration, and assurance practices to ensure mission readiness, safety, and compliance with Air Force directives and ...

HII's Mission Technologies division

$78K - $167K/yr

... engineers ... Assists in the integration of software components with hardware. Participates in debugging and ...

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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?

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 Ohio? The most popular types of Integration Software Engineer jobs in Ohio are:
What are popular job titles related to Freelance Integration Software Engineer jobs in Ohio? For Freelance Integration Software Engineer jobs in Ohio, the most frequently searched job titles are:
What job categories do people searching Freelance Integration Software Engineer jobs in Ohio look for? The top searched job categories for Freelance Integration Software Engineer jobs in Ohio are:
Freelance Integration Software Engineer jobs near you
Infographic showing various Freelance Integration Software Engineer job openings in Ohio as of June 2026, with employment types broken down into 1% As Needed, 93% Full Time, 3% Part Time, 1% Temporary, and 2% Contract. Highlights an 88% Physical, 3% Hybrid, and 9% Remote job distribution.

Sr. Integration Engineer

Vertiv Co

Westerville, OH • On-site

$100K - $134K/yr

Full-time

Re-posted 14 days ago

Vertiv rating

6.7

Company rating: 6.7 out of 10

Based on 64 frontline employees who took The Breakroom Quiz

377th of 487 rated machine equipment manufacturers

Job description

Job Summary

The Sr. Integration Engineer plays a major role in the Vertiv digital transformation journey. You will mentor and lead integration engineers for projects. You will be part of a learning culture, where teamwork and collaboration are encouraged, excellence is rewarded, and diversity is respected and valued.

Responsibilities:

Build integrations with interfaces at different level of complexity supporting different business domains.
Provide middleware expertise; play a key role in building scalable web services, APIs, and Microservices.  
Anchor proof of concept developments and support multiple streams.
Collaborate with some of the best talent in the industry to create and implement innovative high-quality solutions, lead and participate in business discussions and pursuits focused on our business needs.

Requirements:

  • Bachelor's Degree in Computer Science, MIS, Electrical Engineering, or a related field of study; will also consider three years of progressive experience in the specialty in lieu of every year of education.
  • Five plus years of IT development experience.
  • One year of integration or API development experience

Preferred Requirements:

  • Strong experience as an integration engineer in large digital transformation projects involving complex landscapes.
  • Experience in on-premise and cloud middleware systems like Tibco, Oracle SOA, BizTalk, Oracle Integration cloud or MuleSoft.
  • Strong experience with building complex interfaces, APIs, and microservices using known middleware platform
  • Experience with API gateway systems like Apigee or Azure API. Working knowledge of API standard languages like Swagger and Open API
  • Strong conceptual and working knowledge of latest trends in PaaS technology and industry best practices, patterns, and standards
  • Strong analytical and communication skills and experience collaborating with multiple teams and vendors
  • Ability to understand and analyze business and functional requirements, and build scalable solutions
  • Ability to report risks, issues and test statuses to the stakeholders

The successful candidate will embrace Vertiv's Core Principals & Behaviors to help execute our Strategic Priorities.

 OUR CORE PRINCIPLES: Safety. Integrity. Respect. Teamwork. Inclusion.

 OUR STRATEGIC PRIORITIES

  • High-Performance Culture
  • Customer Focus
  • Operational Excellence
  • Innovation
  • Financial Strength

 VERTIV BEHAVIORS

  • Own it
  • Act with urgency
  • Foster a customer-first mindset
  • Think big and execute
  • Lead by example
  • Drive continuous improvement
  • Learn and seek out development
  • Promote transparent & open communication

 About Vertiv

Vertiv (NYSE: VRT) brings together hardware, software, analytics and ongoing services to enable its customers' vital applications to run continuously, perform optimally and grow with their business needs. Vertiv solves the most important challenges facing today's data centers, communication networks and commercial and industrial facilities with a portfolio of power, cooling and IT infrastructure solutions and services that extend from the cloud to the edge of the network. Headquartered in Westerville, Ohio, USA, Vertiv employs around 34,000 people and does business in more than 130 countries. Visit Vertiv.com to learn more.

 Work Authorization

No calls or agencies please. Vertiv will only employ those who are legally authorized to work in the United States. This is not a position for which sponsorship will be provided. Individuals with temporary visas such as E, F-1, H-1, H-2, L, B, J, or TN or who need sponsorship for work authorization now or in the future, are not eligible for hire.

 Equal Opportunity Employer 

Vertiv is an Equal Opportunity/Affirmative Action employer. We promote equal opportunities for all with respect to hiring, terms of employment, mobility, training, compensation, and occupational health, without discrimination as to age, race, color, religion, creed, sex, pregnancy status (including childbirth, breastfeeding, or related medical conditions), marital status, sexual orientation, gender identity / expression (including transgender status or sexual stereotypes), genetic information, citizenship status, national origin, protected veteran status, political affiliation, or disability. If you have a disability and are having difficulty accessing or using this website to apply for a position, you can request help by sending an email tohelp.join@vertiv.com.

 #LI-RB1

Work Authorization

No calls or agencies please. Vertiv will only employ those who are legally authorized to work in the United States. This is not a position for which sponsorship will be provided. Individuals with temporary visas such as E, F-1, H-1, H-2, L, B, J, or TN or who need sponsorship for work authorization now or in the future, are not eligible for hire.

Equal Opportunity Employer

We promote equal opportunities for all with respect to hiring, terms of employment, mobility, training, compensation, and occupational health, without discrimination as to age, race, color, religion, creed, sex, pregnancy status (including childbirth, breastfeeding, or related medical conditions), marital status, sexual orientation, gender identity / expression (including transgender status or sexual stereotypes), genetic information, citizenship status, national origin, protected veteran status, political affiliation, or disability.

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