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Freelance Integration Software Engineer Jobs in Massachusetts

Integration and Test Engineer

Chelmsford, MA · On-site

$95.05 - $108.83/hr

... a Integration and Test Engineer in Chelmsford, MA . Role: Integration and Test Client: Top ... Establishes functional and technical specifications and standards, solves hardware/software ...

... for a Integration and Test Engineer in Chelmsford, MA Role: Integration and Test Client: Top ... Establishes functional and technical specifications and standards, solves hardware/software ...

... for a Integration and Test Engineer in Chelmsford, MA Role: Integration and Test Client: Top ... Establishes functional and technical specifications and standards, solves hardware/software ...

Integration Engineer II

Webster, MA · On-site

$90 - $130/hr

Develops, implements, and tests complex software solutions following coding standards, best ... Writes comprehensive unit and integration tests to ensure code quality, maintainability, and ...

The Microsystems Integration Group is seeking staff for design and manufacturing process ... software. • Tests and evaluates devices using a variety of tools, protocols, and software. • ...

The Microsystems Integration Group is seeking staff for design and manufacturing process ... Tests and evaluates devices using a variety of tools, protocols, and software.Analyzes and ...

The Microsystems Integration Group is seeking staff for design and manufacturing process ... Tests and evaluates devices using a variety of tools, protocols, and software. Analyzes and ...

The Microsystems Integration Group is seeking staff for design and manufacturing process ... Tests and evaluates devices using a variety of tools, protocols, and software. Analyzes and ...

Software engineers apply engineering principles and knowledge of programming languages to build ... Writes comprehensive unit and integration tests to ensure code quality, maintainability, and ...

Showing results 41-60

Freelance Integration Software Engineer information

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 are the most commonly searched types of Integration Software Engineer jobs in Massachusetts?

The most popular types of Integration Software Engineer jobs in Massachusetts are:

What job categories do people searching Freelance Integration Software Engineer jobs in Massachusetts look for?

The top searched job categories for Freelance Integration Software Engineer jobs in Massachusetts are:

What cities in Massachusetts are hiring for Freelance Integration Software Engineer jobs?

Cities in Massachusetts with the most Freelance Integration Software Engineer job openings:

Infographic showing various Freelance Integration Software Engineer job openings in Massachusetts as of August 2026, with employment types broken down into 50% Full Time, and 50% Contract. Highlights an 75% In-person, and 25% Remote job distribution.

Lead Python Software Engineer with ETL Experience - Work From Home

Next Step Systems

Boston, MA • On-site, Remote

Full-time

Medical, Retirement, PTO

Re-posted 15 days ago


Job description

Lead Python Software Engineer with ETL Experience - Work From Home
We are looking for a highly motivated Lead Python Software Engineer with ETL experience to join the product development team. The team creates bi-directional real-time integration to every POS that customers deploy. The ideal Lead Python Software Engineer is someone who enjoys integration, continual learning, and a fast-paced development environment. If you possess a drive for excellence, thrive in a fast-paced environment, and desire to be part of a team that is dedicated to being an industry leader, then we want to hear from you. This position is 100% Remote or onsite if you prefer.
Responsibilities:
- Solve problems using facts and apply proven solution patterns and tools for given circumstance.
- Lead engineering projects to ensure high quality deliverables.
- Lead solution design that invest in the most relevant matters to meet client demands.
- Provide technical design and architecture guidance for complex Data Integrations and orchestration.
- Harbor a positive learning environment that enable engineer to grow technically.
- Lead and mentor engineering team members.
- Manage system monitoring and alert strategies to ensure system stability and improves its manageability.
- Manage code base and improve its expendability, recoverability and reparability.
- Manage quality control of all deliverables.
- Provide and communication resource estimates, timelines and scope of work for projects.
- Design, develop and support data integration software to meet current and future growth.
- Drive collaboration across development and other teams in the company.
- Lead technical supports and automation effort to maintenance first class client experience.
Qualifications:
- At least 10 years professional software development experience.
- Need experience with ETL.
- Experience in an engineering lead role is a plus.
- Fundamental understanding of common data structures and algorithms.
- Strong background with data transformation and management in both structured and semi-structured data.
- Strong data manipulation experience using SQL.
- Strong background with object-oriented programming using Python or C#.
- Solid experience building and consuming both RESTful and SOAP based web services.
- Solid experience building end to end repeatable integration processes with effective monitoring and automation.
- Strong interpersonal skills as this position will interface with many levels both inside and outside of our organization.
- Exceptional analytical and problem-solving skills, detail-oriented mindset.
- Experience in database design and development.
- Must be team oriented with strong collaboration, prioritization with a "can-do" attitude.
- Proficiency in manual and automated testing.
- Solid knowledge of cloud computing services in AWS preferred.
- Solid experience in parallel processing large data sets with scalable hardware preferred.
- Experience with Kubernetes, Containerization, Oracle, SaaS, Azure, and Spring Framework are a big plus.
Benefits include medical insurance, retirement plan, PTO, etc. Salary: 80K+ DOE. Keywords: Boston MA Jobs, Lead Python Software Engineer, C#, Python, ETL, RESTful, SOAP, OOP, Data Structures, Algorithms, Cloud, AWS, Remote, Work From Home, Software Developer, Programming, Programmer Analyst, Massachusetts Recruiters, IT Jobs, Massachusetts Recruiting
Looking to hire for similar positions in Boston, MA or in other cities? Our IT recruiting agencies and staffing companies can help.
We help companies that are looking to hire Lead Python Software Engineers for jobs Boston, Massachusetts and in other cities too. Please contact our IT recruiting agencies and IT staffing companies today! Phone 630-428-0600 ext. 11 or email us at jobs@nextstepsystems.com. Click here to submit your resume for this job and others.
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