Junior Java Software Engineer Jobs in Chicago, IL

Job Description About Mojo Trek Mojo Trek is a trusted custom software delivery firm. We build and modernize the revenue-generating and customer-facing systems that high-growth companies and ambitious operators depend on to grow. Woman-owned.

Inc. 5000 for four consecutive years. 100% client retention, earned not bought.

About the Role Our Client is building a world-class platform to host a wide range of applications. It's a state-of-the-art digital platform that encompasses mobile, web, cloud, and distributed computing systems. Their solutions are designed to improve productivity, profitability, and safety, and help communities and economies grow in an environmentally sustainable way.

What You'll Do Competent to perform all programming and development assignments without close supervision; normally assigned the more complex aspects of systems work. Acts as team leader for development and support groups; provides programming and application/technical leadership, guidance, and assistance to other team members. Works directly on complex application/technical problem identification and resolution, including responding to off-shift and weekend support calls.

Works independently on complex systems or infrastructure components that may be used by one or more applications or systems. Drives application development focused around delivering business valuable features. Maintains high standards of software quality within the team by establishing good practices and habits.

Identifies and encourages areas for growth and improvement within the team. Mentors junior developers. Communicates with end users and internal customers to help direct development, debugging, and testing of application software for accuracy, integrity, interoperability, and completeness.

Leads development of new functionality and applications on cross-functional teams. Performs integration testing and customer acceptance testing of components that requires careful planning and execution to ensure timely, quality results. Participates in technology evaluation and recommendations.

Applies an enterprise-wide view to solutions to support the adoption of standards and practices and promote reuse. Employee is also responsible for performing other job duties as assigned by management from time to time. What You'll Need (Required) Bachelor's degree in Computer Science, Electrical Engineering, or a related field.

Eight years or more of experience designing and developing software applications in Java, or at least five years of experience in Java with a Master's degree in Computer Science or a related field. Experience developing software applications using relational and NoSQL databases. Knowledge of application architectural patterns, such as MVC, Microservices, Event-driven, etc.

Experience designing well-defined RESTful APIs. Knowledge of datastores such as AWS Aurora, AWS RDS, AWS DynamoDB, MongoDB, ElasticSearch, Cassandra, Redis, MySQL, and Oracle. Knowledge of other AWS technologies, such as API Gateway, ALB, NLB, Fargate, Lambda, S3, CloudWatch, and KMS.

Ability to work under pressure and within time constraints. Passion for technology and an eagerness to contribute to a team-oriented environment. Technical Skills Strong Java 17+.

Backend development is a must. Spring Boot framework. Message streaming solutions, such as AWS Kinesis, AWS SQS, AWS SNS, Apache Kafka, RabbitMQ, or Apache ActiveMQ.

RESTful web services. AWS knowledge: IAM, Kinesis, DynamoDB, API stack, SQS, SNS, KMS. API tools such as Swagger, Postman, and Assertible.

Slick for SQL queries. DevOps, CI/CD, Jenkins. High availability and reliable solutions.

Some architecture experience. EEO & Accommodation Mojo Trek is an equal opportunity employer committed to building an inclusive team where everyone feels welcome. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, veteran status, or any other characteristic protected by applicable law.

Mojo Trek will also consider qualified applicants with criminal histories, consistent with applicable law. Mojo Trek is committed to providing reasonable accommodations to applicants with disabilities. If you need an accommodation during the application or interview process, please contact our Talent Acquisition team.

Disclosure Our hiring process for this role may include a video interview using an AI-based interview tool, followed by a conversation with a recruiter. If you're invited to interview, you'll receive more detail on how our AI-tool is used and will be asked to consent before your interview. Recruitment Fraud Warning Mojo Trek will never ask you to pay fees, send money, or provide sensitive personal or financial information to be considered for a job.

All official communication comes only from authorized mojotrek.com email addresses. Always verify the sender's email address and any shared URLs. Do not share personal or financial data in response to email requests and be cautious of unsolicited job offers

If you suspect recruitment fraud or receive suspicious offers, report it to Mojo Trek immediately through our official channels.