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Reposted 2 Days AgoSaved
Hybrid
O'Fallon, MO, USA
115K-184K Annually
Senior level
115K-184K Annually
Senior level
Blockchain • Fintech • Payments • Consulting • Cryptocurrency • Cybersecurity • Quantum Computing
Develop and implement high performance scalable backend applications, modernize mainframe applications to cloud microservices, and manage the clearing system with strong Java, Kafka, and microservices knowledge.
Top Skills: Apache KafkaCobolDb2GrpcHttp/2JavaJpaMicroservicesPivotal Cloud FoundryProtobufRedis CacheSpring BootSwaggerUnix
Reposted 2 Days AgoSaved
Hybrid
O'Fallon, MO, USA
138K-221K Annually
Senior level
138K-221K Annually
Senior level
Blockchain • Fintech • Payments • Consulting • Cryptocurrency • Cybersecurity • Quantum Computing
Lead design, development, and delivery of cross-departmental initiatives. Provide architecture advice and manage secure applications relating to HSM and cryptography. Collaborate with vendors and improve security practices.
Top Skills: AixCi/CdCryptographyFreebsdHsmJavaJenkinsLinuxPkiPythonRustShell ScriptingUnixWindows
Reposted 2 Days AgoSaved
In-Office
Waukesha, WI, USA
Senior level
Senior level
Artificial Intelligence • Healthtech • Analytics • Biotech
Develop and test firmware for MR Scanners, collaborating with system design teams and global engineering teams. Mentor junior engineers and ensure software reliability and performance.
Top Skills: AgileC++LeanVxworks
Reposted 2 Days AgoSaved
In-Office
Waukesha, WI, USA
Senior level
Senior level
Artificial Intelligence • Healthtech • Analytics • Biotech
Lead complex software engineering projects, design and maintain distributed systems, and ensure high-quality software delivery as part of a cross-functional team at GE Healthcare.
Top Skills: AWSAzureGCPJava/J2EeJpaSpring CoreSpring Boot
Reposted 2 Days AgoSaved
In-Office
Waukesha, WI, USA
Mid level
Mid level
Artificial Intelligence • Healthtech • Analytics • Biotech
Develop and maintain embedded firmware for MR systems, collaborating with hardware and systems teams, ensuring quality and performance standards within an Agile framework.
Top Skills: AgileAnalyzersC++DebuggersEmulatorsRtos
Reposted 2 Days AgoSaved
Hybrid
O'Fallon, MO, USA
115K-184K Annually
Senior level
115K-184K Annually
Senior level
Blockchain • Fintech • Payments • Consulting • Cryptocurrency • Cybersecurity • Quantum Computing
The Senior Software Engineer will support the Employee Identity Service, automating access management, enhancing user experience, and ensuring secure system integration.
Top Skills: APIsBehavior Driven Development (Bdd)C#Ci/CdGitfloGoJavaJenkinsPowershellPythonTest Driven Development (Tdd)Windows Server
Reposted 2 Days AgoSaved
Hybrid
Seattle, WA, USA
159K-254K Annually
Senior level
159K-254K Annually
Senior level
Blockchain • Fintech • Payments • Consulting • Cryptocurrency • Cybersecurity • Quantum Computing
As a Senior Software Engineer, you will develop big data processing systems using Scala and Spark, ensuring coding standards and collaborating within an agile team.
Top Skills: AirflowSparkAWSDatabricksJavaRedisScala
Reposted 2 Days AgoSaved
Hybrid
O'Fallon, MO, USA
138K-221K Annually
Senior level
138K-221K Annually
Senior level
Blockchain • Fintech • Payments • Consulting • Cryptocurrency • Cybersecurity • Quantum Computing
The Lead Software Engineer will develop and implement high-performance applications, focusing on payment solutions, manage project schedules, and coordinate with team members while leveraging Java technologies and microservices architecture.
Top Skills: Apache KafkaCobolDb2GrpcJavaJpaPivotal Cloud FoundryProtobufRedisSpring BootSwaggerUnix
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Reposted 2 Days AgoSaved
In-Office
Austin, TX, USA
Senior level
Senior level
Digital Media • Social Media • Software • Sports
The Principal Backend Engineer will lead backend system architecture, design high-performance APIs, mentor engineers, and optimize cloud-based solutions while ensuring operational excellence and security.
Top Skills: AuroraAWSDockerDynamoDBEventbridgeFirebaseFirestoreJestKubernetesLambdaNode.jsSQLSupertestTypescriptVitest
Reposted 2 Days AgoSaved
Hybrid
O'Fallon, MO, USA
138K-221K Annually
Mid level
138K-221K Annually
Mid level
Blockchain • Fintech • Payments • Consulting • Cryptocurrency • Cybersecurity • Quantum Computing
The Lead Software Engineer/Data Engineer will analyze large datasets, develop models for anomaly detection, and provide technical leadership to enhance payment security and prevent fraud.
Top Skills: AgileData Visualization ToolsDatabase Management SystemsJavaNoSQLSQL
Reposted 2 Days AgoSaved
Hybrid
O'Fallon, MO, USA
115K-184K Annually
Senior level
115K-184K Annually
Senior level
Blockchain • Fintech • Payments • Consulting • Cryptocurrency • Cybersecurity • Quantum Computing
The Senior Software Engineer will own the delivery of software tasks, improve code quality, drive integration of services, mentor team members, and collaborate in agile processes to enhance the customer experience and operational metrics.
Top Skills: .NetApache FlinkApache KafkaAWSAzureBashGitGroovyJavaJavaScriptJenkinsPerlPythonRubySQL
Reposted 2 Days AgoSaved
Hybrid
O'Fallon, MO, USA
115K-184K Annually
Senior level
115K-184K Annually
Senior level
Blockchain • Fintech • Payments • Consulting • Cryptocurrency • Cybersecurity • Quantum Computing
As a Lead Software Engineer, you will enhance Mastercard's digital payment products by bridging software engineering and operations, improving system reliability, and driving performance enhancements.
Top Skills: BambooConcourseDynatraceGradleJavaJenkinsMavenPrometheusPythonScalaSplunkSpring
Reposted 2 Days AgoSaved
Hybrid
Atlanta, GA, USA
132K-212K Annually
Senior level
132K-212K Annually
Senior level
Blockchain • Fintech • Payments • Consulting • Cryptocurrency • Cybersecurity • Quantum Computing
As a Senior Software Engineer (Mobile) at Mastercard, you will design, develop, and deploy advanced applications for the iOS platform, collaborating with teams to implement new features and enhance application performance. You'll also be responsible for ensuring code robustness, leading projects through the software development lifecycle, and staying updated on new technologies and trends in mobile development.
Reposted 2 Days AgoSaved
Hybrid
O'Fallon, MO, USA
138K-221K Annually
Senior level
138K-221K Annually
Senior level
Blockchain • Fintech • Payments • Consulting • Cryptocurrency • Cybersecurity • Quantum Computing
Lead Software Engineer role focusing on delivering high-quality business requirements, collaborating on functionality enhancements, and designing IT solutions for Certificate and Signing Services.
Top Skills: ConfluenceGoJavaJIRALinuxMicroservicesRallyReactRemedySplunkSpring Boot
Reposted 2 Days AgoSaved
Hybrid
O'Fallon, MO, USA
115K-184K Annually
Senior level
115K-184K Annually
Senior level
Blockchain • Fintech • Payments • Consulting • Cryptocurrency • Cybersecurity • Quantum Computing
The Senior Software Engineer will focus on testing digital payment products, ensuring quality through automated and manual testing, and collaborating in Agile environments.
Top Skills: Apache RestBambooGitJavaJdbcJenkinsJunitOraclePl/SqlRest AssuredTestng
Reposted 2 Days AgoSaved
Hybrid
3 Locations
172K-331K Annually
Senior level
172K-331K Annually
Senior level
Blockchain • Fintech • Payments • Consulting • Cryptocurrency • Cybersecurity • Quantum Computing
This role involves designing and implementing a Generative AI platform, ensuring cloud integration standards, and engaging with stakeholders to prioritize development work.
Top Skills: AWSAws BedrockAws SagemakerAzureAzure MlDatabricksIbm WatsonxJavaKubernetesPython
Reposted 2 Days AgoSaved
Hybrid
O'Fallon, MO, USA
138K-221K Annually
Senior level
138K-221K Annually
Senior level
Blockchain • Fintech • Payments • Consulting • Cryptocurrency • Cybersecurity • Quantum Computing
The Lead Software Engineer will design, develop, and integrate digital security technologies, mentor junior members, and ensure compliance with audit requirements.
Top Skills: .NetJavaJavaScriptJenkinsKafkaNode JsSpring Boot
Reposted 2 Days AgoSaved
Hybrid
O'Fallon, MO, USA
115K-184K Annually
Senior level
115K-184K Annually
Senior level
Blockchain • Fintech • Payments • Consulting • Cryptocurrency • Cybersecurity • Quantum Computing
The Senior Software Engineer will develop and support software solutions for security monitoring, lead design discussions, and mentor junior engineers, ensuring high quality and timely delivery.
Top Skills: Angular 8 Or HigherAnsibleAWSAzureChefDockerGCPGradleHibernateHTMLJava 8 Or HigherJavaScriptJeeJenkinsJqueryKubernetesMavenNosql DbOpen ShiftOracleReact JsRestSonarqubeSpring StackSQL ServerTomcatUnix
Reposted 2 Days AgoSaved
Hybrid
O'Fallon, MO, USA
138K-221K Annually
Senior level
138K-221K Annually
Senior level
Blockchain • Fintech • Payments • Consulting • Cryptocurrency • Cybersecurity • Quantum Computing
Responsible for designing and developing automated billing programs, enhancing customer billing experiences, and leading engineering efforts across teams.
Top Skills: AgileGitHibernateJavaJaxrsJSONLinuxMicro ServicesOraclePcfRestfulSonarSplunkSpring Boot
Reposted 2 Days AgoSaved
Hybrid
3 Locations
144K-276K Annually
Expert/Leader
144K-276K Annually
Expert/Leader
Blockchain • Fintech • Payments • Consulting • Cryptocurrency • Cybersecurity • Quantum Computing
Lead the design and implementation of a Generative AI platform, ensuring cloud integration, automation, and collaboration with stakeholders while adhering to engineering principles.
Top Skills: AIAWSAws Code WhispererAzureDatabricksGenaiGithub CopilotIbm WatsonxJavaKubernetesLlmsMlopsPython
Reposted 2 Days AgoSaved
Hybrid
O'Fallon, MO, USA
138K-221K Annually
Senior level
138K-221K Annually
Senior level
Blockchain • Fintech • Payments • Consulting • Cryptocurrency • Cybersecurity • Quantum Computing
The Lead Software Engineer will guide the design and development of cross-departmental initiatives, focusing on crypto security. Responsibilities include technical design advice, automating HSM processes, defining secure mechanisms, and collaborating on architecture standards. The role requires leadership and strong problem-solving skills to enhance business functions and consumer experience.
Reposted 2 Days AgoSaved
Hybrid
O'Fallon, MO, USA
138K-221K Annually
Senior level
138K-221K Annually
Senior level
Blockchain • Fintech • Payments • Consulting • Cryptocurrency • Cybersecurity • Quantum Computing
The Lead Software Engineer will design and maintain AWS cloud platforms, implementing infrastructure automation while mentoring engineers and optimizing cloud services.
Top Skills: ArtifactoryAWSBashBitbucketCdkCloudFormationEc2EksEmrGitGlueIamJenkinsMskPythonRdsS3SonarqubeVpc
Reposted 2 Days AgoSaved
Hybrid
O'Fallon, MO, USA
115K-184K Annually
Senior level
115K-184K Annually
Senior level
Blockchain • Fintech • Payments • Consulting • Cryptocurrency • Cybersecurity • Quantum Computing
The Senior Software Engineer will design and develop web applications, manage microservices, and implement security measures within cloud environments, while optimizing CI/CD pipelines and mentoring junior developers.
Top Skills: AngularAnsibleAWSAzureCi/CdDockerGCPGitGithub ActionsGraphQLJavaJwtKubernetesOauthOidcReactRestful ApisSpring BootTerraformVue
Reposted 2 Days AgoSaved
Hybrid
Arlington, VA, USA
159K-254K Annually
Senior level
159K-254K Annually
Senior level
Blockchain • Fintech • Payments • Consulting • Cryptocurrency • Cybersecurity • Quantum Computing
Lead Software Engineer responsible for developing APIs, enhancing software performance, and mentoring junior engineers while collaborating with cross-functional teams.
Top Skills: C#,.Net,Javascript,React,Redux,Angular,Typescript,Sql Server
Reposted 2 Days AgoSaved
Hybrid
O'Fallon, MO, USA
115K-184K Annually
Senior level
115K-184K Annually
Senior level
Blockchain • Fintech • Payments • Consulting • Cryptocurrency • Cybersecurity • Quantum Computing
The Senior Software Engineer will manage software delivery, troubleshoot existing code, adopt new technologies, drive agile processes, and mentor team members in a high-availability financial message system.
Top Skills: .NetApache FlinkApache KafkaAWSAzureCheckmarxGitJavaJavaScriptJenkinsSonarSQLZally
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