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Flexible Java Spring Developer Jobs in Illinois (NOW HIRING)

BC Forward

Java Developer with AI

Chicago, IL · On-site

$45 - $48.27/hr

Java Developer - Notifications Platform & AI Engineering Location: Chicago, IL Duration: Temp - 9 ... Build cloud-native backend services using Java, Spring Boot, Apache Camel, microservices ...

BofA Securities

Software Engineer III- Java

Addison, IL · On-site

$51.75 - $71.25/hr

... flexible benefits. We value the unique perspectives individuals bring from all backgrounds and ... Develop high-quality, scalable solutions using Java, Spring Boot, and microservices architecture

SysMind Tech

Java Full Stack/React Developer

Chicago, IL · On-site

$54 - $69.75/hr

... using Java, Spring Boot, ReactJS, Rest API's DevOps, Cloud Platform ( OCP, Kubernetes ) and will be equipped with modern CI/CD developer tool kit (STS/IntelliJ, GitHub, Jenkins, and Nexus), JWT ...

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All JobsJava Spring Developer JobsFlexible Java Spring Developer JobsFlexible Java Spring Developer Jobs in Illinois

Flexible Java Spring Developer information

What is the difference between Flexible Java Spring Developer vs Java Backend Developer?

AspectFlexible Java Spring DeveloperJava Backend Developer
Required SkillsJava, Spring Framework, REST APIs, SQL, AgileJava, Spring, REST, SQL, Microservices
Work EnvironmentStartups, tech companies, remote or hybrid rolesTech firms, enterprise environments, remote or onsite
CertificationsJava certifications, Spring certifications beneficialJava certifications, Spring certifications
Industry UsageCommon in flexible, dynamic projectsCommon in enterprise and large-scale applications

The Flexible Java Spring Developer and Java Backend Developer roles share core skills like Java and Spring. The main difference lies in flexibility; the Flexible Java Spring Developer often works in dynamic, adaptable environments with a focus on remote or hybrid work, while the Java Backend Developer may be more embedded in enterprise settings. Both roles require similar credentials and technical expertise, but the Flexible Java Spring Developer emphasizes adaptability and diverse project types.

What are the most commonly searched types of Java Spring Developer jobs in Illinois? The most popular types of Java Spring Developer jobs in Illinois are:
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Flexible Java Spring Developer jobs near you
Backend API Developer

Backend API Developer

PROLIM Global Corporation

Peoria, IL • On-site

Full-time

Posted 8 days ago

Job description

Backend API Developer (Java/Spring Boot/Microservices)
Job Description
We are seeking a highly motivated Backend API Developer with strong experience in Java, Spring Boot, Microservices, and REST APIs to join our engineering team. The ideal candidate will design and develop scalable backend services that support telecom platforms and cloud-native applications.
You will work with cross-functional teams to build secure, high-performance APIs and distributed backend systems while following Agile development practices.
Required Skills
  • 5+ years of Backend Development experience - (Telecome Experience madnatory)
  • Strong experience with Java 11/17
  • Hands-on experience with Spring Boot
  • Experience developing RESTful APIs
  • Strong knowledge of Microservices Architecture
  • Experience with Spring Security, OAuth2, and JWT
  • Database experience with PostgreSQL, MySQL, Oracle, or MongoDB
  • Experience with Apache Kafka or other messaging platforms
  • Experience using Docker and Kubernetes
  • Git version control
  • CI/CD using Jenkins, GitHub Actions, or Azure DevOps
  • Strong SQL skills
  • Experience working in Agile/Scrum environments

Preferred Skills
  • Telecom industry experience (OSS/BSS, Network Management, Provisioning)
  • Cloud platforms (AWS, Azure, or GCP)
  • Spring Cloud
  • OpenAPI/Swagger
  • Redis
  • Cassandra
  • Elasticsearch
  • Monitoring tools (Grafana, Prometheus, ELK)
  • Linux environment
  • Unit testing using JUnit and Mockito

Responsibilities
  • Design and develop scalable backend APIs using Java and Spring Boot.
  • Build RESTful services and microservices.
  • Develop secure, reusable, and maintainable backend components.
  • Integrate APIs with databases and external systems.
  • Optimize application performance and scalability.
  • Implement authentication and authorization mechanisms.
  • Participate in code reviews and Agile ceremonies.
  • Troubleshoot production issues and improve system reliability.
  • Collaborate with architects, QA engineers, DevOps teams, and product stakeholders.

Qualifications
  • Bachelor's degree in Computer Science, Engineering, or a related field.
  • 5+ years of Java Backend Development experience.
  • Strong analytical and problem-solving skills.
  • Excellent communication and teamwork skills.

Nice to Have
  • Telecom domain experience
  • OSS/BSS platforms
  • 5G or Network Management exposure
  • Cloud-native application development
  • Event-driven architecture using Kafka

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