{"schemaVersion":"jobsearcher.job.v1","id":"d876ac56e16dd7a71badabd2","url":"https://jobsearcher.com/jobs/d876ac56e16dd7a71badabd2","canonicalUrl":"https://jobsearcher.com/jobs/d876ac56e16dd7a71badabd2","title":"Senior Java Developer","description":"ELEKS Software Development and Engineering Office is seeking a Senior Java Developer for an onsite role in Chicago, IL.\n\nABOUT CLIENT\n\nOur client is building a world-class digital platform that powers a broad portfolio of enterprise applications across mobile, web, cloud, and distributed computing environments. Their technology solutions are designed to improve productivity, profitability, and operational safety while supporting sustainable growth for businesses and communities worldwide. Office attendance in downtown Chicago is required.\n\nREQUIREMENTS\nBachelor’s degree in Computer Science, Electrical Engineering, or a related field\n8+ years of experience designing and developing enterprise Java applications (5+ years with a Master’s degree in Computer Science or a related field)\nStrong expertise in Java 17+ and backend development\nExperience developing scalable software applications using relational and NoSQL databases\nHands-on experience with Spring Boot and the Spring ecosystem\nSolid understanding of software architecture patterns, including MVC, Microservices, and Event-driven Architecture\nExperience designing and developing RESTful APIs\nExperience with API design and testing tools such as OpenAPI (Swagger), Postman, and Assertible\nStrong knowledge of AWS services, including IAM, API Gateway, Aurora, RDS, DynamoDB, Kinesis, S3, CloudWatch, Lambda, ALB, NLB, Fargate, SQS, SNS, and KMS\nExperience with messaging and event streaming technologies such as Amazon Kinesis, Amazon SQS, Amazon SNS, Apache Kafka, RabbitMQ, and Apache ActiveMQ\nExperience designing and maintaining CI/CD pipelines and DevOps practices using Jenkins or similar tools\nExperience delivering highly available, scalable, resilient, and fault-tolerant backend solutions\nUnderstanding of software architecture principles and experience contributing to technical design decisions\nAbility to work effectively under pressure and meet project deadlines\nPassion for technology and eagerness to contribute to a collaborative, team-oriented environment\nRESPONSIBILITIES\nCompetent to perform all programming and development assignments without close supervision; normally assigned the more complex aspects of systems work.\nActs as team leader for development and support groups; provides programming and application/technical leadership, guidance, and assistance to other team members.\nWorks directly on complex application/technical problem identification and resolution, including responding to off-shift and weekend support calls.\nWorks independently on complex systems or infrastructure components that may be used by one or more applications or systems.\nDrives application development focused on delivering business-valuable features\nMaintains high standards of software quality within the team by establishing good practices and habits.\nIdentifies and encourages areas for growth and improvement within the team.\nMentors junior developers.\nCommunicates with end users and internal customers to help direct development, debugging, and testing of application software for accuracy, integrity, interoperability, and completeness.\nLeads the development of new functionality and applications on cross-functional teams\nPerforms integration testing and customer acceptance testing of components that require careful planning and execution to ensure timely, quality results\nParticipates in technology evaluation and recommendations.\nApplies an enterprise-wide view to solutions to support the adoption of standards and practices and promote reuse.\nThe employee is also responsible for performing other job duties as assigned by management from time to time.\nWHAT YOU WILL GET WITH ELEKS\nClose cooperation with a customer\nChallenging tasks\nCompetence development\nAbility to influence project technologies\nTeam of professionals\nDynamic environment with low level of bureaucracy\nABOUT ELEKS\n\nELEKS is a custom software development company. We deliver value to our clients, thanks to our expertise and experience gained from working as a software innovation partner since 1991.\n\nOur 2000+ professionals located in the Delivery Centers across Eastern Europe and sales offices in Europe and North America, provide our clients with a full range of software engineering services. These include product development, QA, R&D, design, technology consulting and dedicated teams.","company":"Eleks","rawCompany":"eleks","city":"Chicago","state":"IL","isRemote":false,"isActive":true,"createdAt":"2026-08-27T12:47:46.860Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1251.00","title":"Computer Programmers","slug":"computer-programmers"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"}],"industries":[{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Senior Java Developer","description":"ELEKS Software Development and Engineering Office is seeking a Senior Java Developer for an onsite role in Chicago, IL.\n\nABOUT CLIENT\n\nOur client is building a world-class digital platform that powers a broad portfolio of enterprise applications across mobile, web, cloud, and distributed computing environments. Their technology solutions are designed to improve productivity, profitability, and operational safety while supporting sustainable growth for businesses and communities worldwide. Office attendance in downtown Chicago is required.\n\nREQUIREMENTS\nBachelor’s degree in Computer Science, Electrical Engineering, or a related field\n8+ years of experience designing and developing enterprise Java applications (5+ years with a Master’s degree in Computer Science or a related field)\nStrong expertise in Java 17+ and backend development\nExperience developing scalable software applications using relational and NoSQL databases\nHands-on experience with Spring Boot and the Spring ecosystem\nSolid understanding of software architecture patterns, including MVC, Microservices, and Event-driven Architecture\nExperience designing and developing RESTful APIs\nExperience with API design and testing tools such as OpenAPI (Swagger), Postman, and Assertible\nStrong knowledge of AWS services, including IAM, API Gateway, Aurora, RDS, DynamoDB, Kinesis, S3, CloudWatch, Lambda, ALB, NLB, Fargate, SQS, SNS, and KMS\nExperience with messaging and event streaming technologies such as Amazon Kinesis, Amazon SQS, Amazon SNS, Apache Kafka, RabbitMQ, and Apache ActiveMQ\nExperience designing and maintaining CI/CD pipelines and DevOps practices using Jenkins or similar tools\nExperience delivering highly available, scalable, resilient, and fault-tolerant backend solutions\nUnderstanding of software architecture principles and experience contributing to technical design decisions\nAbility to work effectively under pressure and meet project deadlines\nPassion for technology and eagerness to contribute to a collaborative, team-oriented environment\nRESPONSIBILITIES\nCompetent to perform all programming and development assignments without close supervision; normally assigned the more complex aspects of systems work.\nActs as team leader for development and support groups; provides programming and application/technical leadership, guidance, and assistance to other team members.\nWorks directly on complex application/technical problem identification and resolution, including responding to off-shift and weekend support calls.\nWorks independently on complex systems or infrastructure components that may be used by one or more applications or systems.\nDrives application development focused on delivering business-valuable features\nMaintains high standards of software quality within the team by establishing good practices and habits.\nIdentifies and encourages areas for growth and improvement within the team.\nMentors junior developers.\nCommunicates with end users and internal customers to help direct development, debugging, and testing of application software for accuracy, integrity, interoperability, and completeness.\nLeads the development of new functionality and applications on cross-functional teams\nPerforms integration testing and customer acceptance testing of components that require careful planning and execution to ensure timely, quality results\nParticipates in technology evaluation and recommendations.\nApplies an enterprise-wide view to solutions to support the adoption of standards and practices and promote reuse.\nThe employee is also responsible for performing other job duties as assigned by management from time to time.\nWHAT YOU WILL GET WITH ELEKS\nClose cooperation with a customer\nChallenging tasks\nCompetence development\nAbility to influence project technologies\nTeam of professionals\nDynamic environment with low level of bureaucracy\nABOUT ELEKS\n\nELEKS is a custom software development company. We deliver value to our clients, thanks to our expertise and experience gained from working as a software innovation partner since 1991.\n\nOur 2000+ professionals located in the Delivery Centers across Eastern Europe and sales offices in Europe and North America, provide our clients with a full range of software engineering services. These include product development, QA, R&D, design, technology consulting and dedicated teams.","datePosted":"2026-08-27T12:47:46.860Z","dateModified":"2026-08-27T12:47:46.860Z","hiringOrganization":{"@type":"Organization","name":"Eleks","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Chicago","addressRegion":"IL","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"d876ac56e16dd7a71badabd2"},"url":"https://jobsearcher.com/jobs/d876ac56e16dd7a71badabd2"}}