Freelance Next Js Developer Jobs in Portland, OR

Milwaukee Electronics is a technology-forward Electronics Manufacturing Services (EMS) company with operations in Oregon, Wisconsin, and Mexico. Through our Milwaukee Electronics and Screaming Circuits brands, we help customers accelerate innovation from prototype to production, serving aerospace, defense, medical, industrial, energy, and technology markets. 

We are investing in digital transformation initiatives including eCommerce modernization, AI-enabled business solutions, manufacturing automation, advanced analytics, ERP modernization, and Industry 4.0 technologies. Our software engineering team plays a key role in enabling growth, operational excellence, and innovation across the company. 

We are looking for engineers who enjoy solving real business problems, collaborating with operational teams, and delivering solutions with measurable impact. This is an on-site position based in Oregon, where close collaboration with manufacturing, engineering, and business stakeholders is essential. 

SUMMARY 

We are seeking an experienced Senior Software Developer to design, build, and support software solutions that improve business processes and customer experience. This role partners with business stakeholders and engineering teams to deliver scalable, maintainable, and high-quality solutions. The ideal candidate combines strong technical skills with business acumen and enjoys mentoring others while remaining hands-on in development. 

KEY RESPONSIBILITIES 

Software Development 

• Design, develop, test, and maintain web applications, APIs, integrations, and backend services. 
• Translate business requirements into technical solutions and implementation plans. 
• Develop scalable, secure, and maintainable software. 
• Contribute to architecture decisions and technical standards. 
• Follow software engineering, security, and quality best practices. 

Technical Leadership 

• Mentor developers and provide technical guidance. 
• Conduct code reviews and promote engineering excellence. 
• Identify and address technical debt. 
• Support adoption of modern development tools, frameworks, and practices. 

Collaboration & Delivery 

• Partner with Product Managers, Business Analysts, and stakeholders to define and deliver solutions. 
• Participate in Agile planning, backlog refinement, and retrospectives. 
• Estimate development effort and support release planning. 
• Work with QA teams to ensure solution quality and reliability. 

Integration & Support 

• Develop integrations with internal and third-party systems. 
• Troubleshoot production issues and perform root-cause analysis. 
• Support deployments, monitoring, and continuous improvement initiatives. 

Documentation & Knowledge Sharing 

• Maintain technical documentation and design specifications. 
• Share knowledge through mentoring, documentation, and technical collaboration. 

QUALIFICATIONS 

Required 

• Bachelor’s degree in Computer Science, Software Engineering, a related field, or equivalent experience. 
• 5+ years of professional software development experience. 
• Proficiency in C#, .NET, JavaScript, TypeScript, Node.js, Next.js, Python, or similar modern technologies. 
• Experience developing REST APIs and distributed applications. 
• Experience with SQL and relational databases. 
• Familiarity with Azure, AWS, or similar cloud platforms. 
• Experience working in Agile environments. 
• Strong analytical, problem-solving, and communication skills. 

Preferred 

• Experience with microservices and event-driven architectures. 
• Experience with CI/CD pipelines and DevOps practices. 
• Knowledge of cloud-native development patterns. 
• Experience integrating ERP, CRM, eCommerce, manufacturing, or other business systems. 
• Experience mentoring offshore developers. 
• Experience using AI-assisted development tools. 

Physical Demands 

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions. 

•  While performing the duties of this job, the employeeis regularly required tosit; use hands and fingers tooperatea computer keyboard, mouse, and other office equipment; and communicate verbally and in writing. 
• The employee isfrequentlyrequired to stand, walk, and reach with hands and arms. 
• The employee must occasionally lift and/or move up to 25 pounds, such as computer equipment, servers, or networking hardware. 
• Specific vision abilities required by this job include close vision, distance vision, color vision, and the ability to adjust focus. 

 Work Environment 

The work environment characteristics described here are representative of those an employee encounters while performing the essential functions of this job. Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions.  

• This is an onsite role performed primarily in a professional office settinglocatedwithin a manufacturing facility. 
• The employee may occasionally be exposed to moving mechanical parts, production equipment, and moderate noise levels when working in or around manufacturing areas. 
• The noise level in the office work environment is usually moderate. 

ITAR Compliance Requirement 
This position is located within an ITAR-regulated facility. Due to the nature of the work and access to controlled information, applicants must be U.S. Persons as defined by ITAR (U.S. citizens, lawful permanent residents, asylees, or refugees).