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Backend Software Engineer Intern Jobs in Milwaukee, WI

Expleo

Senior PHP Software Engineer

Milwaukee, WI · Remote

Contribute across both front-end and back-end development initiatives * Develop enterprise ... Champion software engineering best practices and coding standards Production Support & Reliability

Expleo

Senior PHP Software Engineer

Milwaukee, WI · Remote

Contribute across both front-end and back-end development initiatives * Develop enterprise ... Champion software engineering best practices and coding standards Production Support & Reliability

Worldpay, Inc.

Senior Backend Engineer

Milwaukee, WI · On-site

$97K - $195K/yr

As a Senior Software Engineer, your day will be filled with exciting challenges and opportunities ... Engage in full-stack development, from backend systems to user interfaces. Work with technologies ...

Gehc

Senior Software Engineer - Digital

Waukesha, WI · On-site

$122K - $161K/yr

Summary We are seeking a Senior Software Engineer for ECG Management with deep experience ... In this role, you will collaborate closely with architects, designers, and backend engineers to ...

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Showing results 21-40

All JobsBackend Software Engineer Intern JobsBackend Software Engineer Intern Jobs in Milwaukee, WI

Backend Software Engineer Intern information

See Milwaukee, WI salary details

$59.6K

$145.5K

$196.1K

How much do backend software engineer intern jobs pay per year?

As of Aug 11, 2026, the average yearly pay for backend software engineer intern in Milwaukee, WI is $145,482.00, according to ZipRecruiter salary data. Most workers in this role earn between $122,200.00 and $169,500.00 per year, depending on experience, location, and employer.

What is the difference between Backend Software Engineer Intern vs Backend Software Engineer?

AspectBackend Software Engineer InternBackend Software Engineer
QualificationsTypically pursuing or recently completed a degree in CS or related fieldBachelor's or higher in CS or related field, with relevant experience
Work EnvironmentInternship programs, learning-focused, supervisedFull-time professional role, responsible for developing and maintaining backend systems
ResponsibilitiesAssist in coding, testing, and debugging under supervisionDesign, implement, and optimize backend services independently
Usage in IndustryEntry-level position for students or recent gradsCore role in software development teams

The main difference between a Backend Software Engineer Intern and a Backend Software Engineer lies in experience, responsibilities, and employment status. Interns are typically students gaining practical experience, while Backend Software Engineers are full-time professionals responsible for core backend development tasks.

What does a backend software engineer intern do?

A Backend Software Engineer Intern assists in developing and maintaining the server-side logic, databases, and APIs that power web and mobile applications. They work closely with senior engineers to write efficient code, troubleshoot issues, and ensure smooth data flow between users and servers. Interns may also participate in code reviews, testing, and documentation to support the overall software development process. This role provides hands-on experience with backend frameworks, database management, and industry best practices.

What skills and qualifications are needed to thrive as a backend software engineer intern?

To thrive as a Backend Software Engineer Intern, you typically need a solid understanding of programming languages like Java, Python, or Node.js, along with knowledge of data structures, algorithms, and database fundamentals. Familiarity with version control systems (like Git), RESTful APIs, and cloud platforms such as AWS or Azure is often required. Strong problem-solving skills, attention to detail, and effective communication help interns stand out in team settings. These competencies are crucial for building reliable backend services, collaborating efficiently, and contributing meaningful code in a fast-paced development environment.

What types of projects and responsibilities can I expect as a backend software engineer intern?

As a Backend Software Engineer Intern, you'll typically work on tasks such as designing and implementing APIs, optimizing database queries, and supporting the integration of backend services. Interns often collaborate closely with senior engineers, participate in code reviews, and contribute to team meetings and sprint planning. While you'll be given guidance and mentorship, you'll also be encouraged to take ownership of smaller features or bug fixes within larger projects, providing valuable hands-on experience with scalable systems. This role offers insight into how backend systems are architected and maintained in a real-world environment.
What are popular job titles related to Backend Software Engineer Intern jobs in Milwaukee, WI? For Backend Software Engineer Intern jobs in Milwaukee, WI, the most frequently searched job titles are:
What job categories do people searching Backend Software Engineer Intern jobs in Milwaukee, WI look for? The top searched job categories for Backend Software Engineer Intern jobs in Milwaukee, WI are:
Backend Software Engineer Intern jobs near you
Infographic showing various Backend Software Engineer Intern job openings in Milwaukee, WI as of August 2026, with employment types broken down into 88% Full Time, 8% Part Time, and 4% Contract. Highlights an 88% Physical, 3% Hybrid, and 9% Remote job distribution, with an average salary of $145,482 per year, or $69.9 per hour.

Senior PHP Software Engineer

Expleo

Milwaukee, WI • Remote

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 5 days ago

Job description

Overview

Location: Fully Remote (Milwaukee, WI)

Employment Type: Full-Time

Are you a senior-level software engineer who enjoys solving complex integration challenges while building scalable enterprise applications? Trissential is hiring a Senior PHP Software Engineer to join our client's team. This is an opportunity to work on high-impact eCommerce and ERP integrations, contribute across the full application stack, and play a key role in driving enterprise technology solutions that directly support business growth.

What's in It for You?

  • Work on mission-critical enterprise integrations connecting eCommerce, ERP, and internal business systems
  • Leverage modern integration technologies including Boomi, REST APIs, and enterprise middleware solutions
  • Make a measurable impact by improving application performance, reliability, and scalability
  • Collaborate with technical leaders, business stakeholders, and vendors on innovative enterprise solutions
  • Mentor and support fellow engineers while expanding your own leadership capabilities
  • Enjoy a fully remote work environment while contributing to large-scale technology initiatives
  • Participate in Agile development teams focused on continuous improvement and innovation

Your Role & Responsibilities

Enterprise Integrations & APIs

  • Design, develop, and maintain integrations between eCommerce platforms, ERP systems, and internal applications
  • Build and support RESTful APIs and enterprise data exchange processes
  • Manage data synchronization, transformation, validation, and interoperability across multiple systems
  • Lead complex integration initiatives involving OroCommerce, IFS ERP, and third-party platforms
  • Serve as a technical expert for integration architecture and API development
  • Troubleshoot and resolve complex integration design and implementation challenges
  • Promote reliable, scalable, and maintainable integration practices across the organization

Application Development

  • Support, enhance, and customize OroCommerce applications using PHP and Symfony
  • Contribute across both front-end and back-end development initiatives
  • Develop enterprise applications using PHP, Oracle PL/SQL, JavaScript, HTML, and CSS
  • Ensure applications meet performance, security, scalability, and maintainability standards
  • Conduct code reviews and provide technical feedback to improve software quality
  • Coach and mentor junior and mid-level developers
  • Champion software engineering best practices and coding standards

Production Support & Reliability

  • Monitor, troubleshoot, and maintain enterprise applications and integrations
  • Perform root cause analysis and implement long-term solutions
  • Support deployments and ensure successful release management activities
  • Lead investigation and resolution of complex production incidents
  • Improve monitoring, performance optimization, and operational processes
  • Participate throughout the SDLC including development, testing, deployment, and support

Collaboration & Delivery

  • Partner with business stakeholders, IT teams, and external vendors to deliver successful solutions
  • Participate in Agile ceremonies including sprint planning, reviews, and backlog refinement
  • Create and maintain technical documentation for integrations, applications, and workflows
  • Assist with project estimation, technical analysis, and architecture discussions
  • Share technical knowledge through mentoring, reviews, and collaborative problem-solving
  • Drive continuous improvement initiatives across development and support teams

Skills & Experience You Should Possess

  • 8+ years of software engineering experience with both front-end and back-end development
  • Strong expertise in PHP development, ideally within Symfony-based environments
  • Experience developing and supporting REST APIs and enterprise integrations
  • Experience working with integration platforms such as Boomi, MuleSoft, Workato, or similar technologies
  • Advanced Oracle SQL and PL/SQL development experience
  • Experience supporting production systems and resolving complex application issues
  • Strong understanding of JSON, OAuth, system interoperability, and integration patterns
  • Proficiency with JavaScript, HTML, and CSS
  • Experience working within Agile software development environments
  • Excellent troubleshooting, analytical, and problem-solving abilities
  • Strong communication and collaboration skills
  • Demonstrated technical leadership and mentoring experience

Bonus Points If You Have

  • Hands-on experience with OroCommerce development and customization
  • Experience integrating with IFS ERP environments
  • Expertise designing enterprise-scale Boomi integrations
  • Experience with CI/CD pipelines and DevOps practices
  • Background supporting eCommerce technology ecosystems
  • Experience leading integration modernization initiatives

Education & Certifications You Need

  • Bachelor's Degree in Computer Science, Information Technology, Software Engineering, or a related technical field
  • Relevant integration, cloud, or software engineering certifications are a plus

What We Offer

At Trissential, we believe exceptional professionals deserve meaningful work, strong support, and opportunities to continue growing. By joining our client's team, you'll collaborate with talented professionals while working on enterprise-scale technology initiatives

  • Competitive Compensation - You choose the model that works best for you, both with company-sponsored benefits! $110,000-$118,000 annually or $68-$73 per hour. Final compensation is determined based on skill alignment, years of experience, and fair, market-based rates by geography
  • Comprehensive Benefits for you and your dependents - Extensive Medical Plans, Dental, Vision, HSA with company contribution, company sponsored Life Insurance and Short / Long term disability insurance, a host of voluntary plans including legal, hospital, accident, pet wellness, and 401k with matching
  • Paid Holidays and Paid Time Off
  • Career Development and Advancement - Expleo is a global company in 29 Countries worldwide with a high focus on development
  • Strong Team Culture - Collaborate with experienced professionals who value precision, performance, and teamwork

Please note: This role is open only to candidates who are authorized to work in the United States

Ready to be part of something exciting?

If you're passionate about enterprise integrations, modern application development, and solving complex technical challenges, we want to hear from you. Join Trissential and help shape the future of enterprise technology solutions while advancing your career as a Senior PHP Software Engineer

Employment Type: OTHER

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