Senior Software Engineer -Java (Only Independent Contractors) jobs in United States
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Nexify Infosystems · 3 hours ago

Senior Software Engineer -Java (Only Independent Contractors)

positionO'Fallon, MO
timeContract
remoteHybrid
senioritySenior Level

Nexify Infosystems is a company seeking a Senior Software Engineer specializing in Java. The role requires extensive knowledge and experience in Java, Spring Boot, and microservices architecture, along with expertise in CI/CD pipelines and event-driven systems.

Information Technology & Services
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H1B Sponsor Likelynote

Responsibilities

Extensive knowledge and experience with Java, Spring Boot, gRPC
Good knowledge in creation and working with CI/CD pipelines using Jenkins
Experienced in event driven systems (ActiveMQ, Apache Kafka, NATS, etc)
Experience in financial system encryption (PIN Blocks, CHIP, CVC) would be beneficial
Experience with testing frameworks and methodologies (JUnit, Blazemeter, mocking, etc.)
Experienced in building platforms with Microservice architecture and RESTful APIs
Experience using cloud-native approaches running on Linux, leveraging Spring Boot
Exposure to symmetric cryptography would be desired. Experience with HSM’s (Thales, AEP) is desired
Experience with virtualization like Cloud Foundry (PCF), Kubernetes (PKS), Docker etc

Qualification

JavaSpring BootMicroservicesCI/CD pipelinesEvent FrameworkGRPCTesting frameworksCloud-native approachesSymmetric cryptographyVirtualization

Required

Extensive knowledge and experience with Java, Spring Boot, gRPC
Good knowledge in creation and working with CI/CD pipelines using Jenkins
Experienced in event driven systems (ActiveMQ, Apache Kafka, NATS, etc)
Experience in financial system encryption (PIN Blocks, CHIP, CVC) would be beneficial
Experience with testing frameworks and methodologies (JUnit, Blazemeter, mocking, etc.)
Experienced in building platforms with Microservice architecture and RESTful APIs
Experience using cloud-native approaches running on Linux, leveraging Spring Boot
Exposure to symmetric cryptography would be desired. Experience with HSM's (Thales, AEP) is desired
Experience with virtualization like Cloud Foundry (PCF), Kubernetes (PKS), Docker etc

Company

Nexify Infosystems

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Nexify Infosystems is a forward-thinking IT firm at the forefront of technological innovation.
location
Missouri, USA, US
people-size51-200 employees
web-link
https://nexifyinfosystems.com

H1B Sponsorship

Nexify Infosystems has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (4)

Funding

Current Stage
Growth Stage
Company data provided by crunchbase