Full Stack Developer (React & Java) - W2 or W9 only

Job Description

Codeworks is an IT Services firm, known for our strong commitment to quality and for our direct client relationships.

Our client is looking to bring aboard a Full Stack Developer with a focus on front end React development, coupled with some API work, to join their team on a long-term contract basis, with the potential for this role to become a permanent position in the future. We are seeking a highly skilled Full-Stack Developer with strong expertise in API development, as well as UI development. This role will build scalable services, modern user interfaces, and contribute to a domain-driven architecture that supports enterprise-grade applications. The ideal candidate has experience across backend, frontend, automated testing, and modern engineering practices.

Other responsibilities include:

API / Backend Development (Java)

Design, develop, and maintain RESTful APIs using Java, Spring Boot, and related frameworks.

Implement scalable, secure, and performant backend services aligned with Domain-Driven Design (DDD) principles.

Collaborate with architects to define bounded contexts, aggregates, and domain models.

Integrate with databases, messaging, and external systems using modern integration patterns.

Build reusable libraries, components, and service templates for consistent API delivery.

Implement error handling, logging, observability, and API standards (versioning, contracts, pagination).

UI / Frontend Development (React)

Develop responsive, accessible, and performant React user interfaces.

Implement reusable UI components, state management (Redux or similar), and client-side routing.

Integrate UI with backend APIs, ensuring seamless data flow and error handling.

Collaborate with UX designers to translate wireframes into production-ready experiences.

Ensure consistency with design system, usability standards, and front-end best practices.

Databases: SQL-based systems (PostgreSQL, MySQL), NoSQL (DynamoDB, MongoDB) preferred.

The ideal candidate will have experience with the following:

Hands-on software development experience (looking for 10+ years ideally)

Strong proficiency in Java, Spring Boot, and REST API development.

Solid understanding of Domain-Driven Design (DDD) concepts (entities, aggregates, value objects, domain events).

Experience writing unit tests using JUnit, Mockito, Jest, or React Testing Library.

Experience integrating APIs with front-end applications.

Strong problem-solving, debugging, and system design skills.

Experience with microservices or event-driven architecture.

Exposure to cloud platforms (AWS, Azure, or GCP).

Familiarity with containerization (Docker, Kubernetes).

Experience with API gateway, service mesh, or messaging systems (Kafka, SNS/SQS) is a plus

For immediate consideration, qualified candidates should send their resumes. Attn: Laura Looking for candidates in Wisconsin or nearby areas. Candidates need to be able to convert to FTE without sponsorship. C2C NOT SUPPORTED FOR THESE ROLES.

About Codeworks:

Codeworks has over 25 years of experience serving Fortune 1000 companies in Wisconsin as well as our client's national locations. Our recruiting team excels at evaluating, advising, and connecting IT professionals with new opportunities that will satisfy their expectations regarding income and opportunity for growth. At Codeworks, we're committed to diversity, equity, and inclusion in our workforce and beyond. We believe in equal opportunities and value the unique perspectives that every individual brings to our team. Join us in creating an inclusive, innovative, and collaborative workplace where your talents can thrive.

Codeworks is an Equal Opportunity Employer and considers applicants for all positions without regard to race, color, religion or belief, sex, age, national origin, citizenship status, marital status, military/veteran status, genetic information, sexual orientation, gender identity, physical or mental disability or any other characteristic protected by applicable laws.

Codeworks, LLC discloses that the anticipated hourly pay range for this position is between $55/hr and $65/hr. This range is subject to change based on job-related factors, including client requirements where applicable.

All full time Codeworks employees are eligible to enroll in the company’s medical, dental, vision, and life insurance plans. Additionally, employees can participate in Codeworks’ 401(k) retirement plan.

Full-time