{"schemaVersion":"jobsearcher.job.v1","id":"070608533c9aa8ea7fa97782","url":"https://jobsearcher.com/jobs/070608533c9aa8ea7fa97782","canonicalUrl":"https://jobsearcher.com/jobs/070608533c9aa8ea7fa97782","title":".Net Developer","description":"Austin, TX, United States (On-site)\nContract (4 months 29 days)\nPublished 5 days ago\nDocker & Kubernetes\naws cloud\nOOP Concepts\nSQL server\nmicroservices architecture\napache kafka\napi management\nC# .NET\nKey Responsibilities:\nDesign and develop real-time transaction processing systems with end-to-end latency requirements below 300 milliseconds.\nBuild highly resilient and scalable architectures capable of enriching transactions from approximately 10+ on-premises and cloud-based data sources.\nDevelop and maintain event-driven streaming solutions using:\nApache Kafka\nApache Flink\nKong API Gateway\nBuild and support real-time integrations using:\nAWS Glue\nAWS Lambda\nAmazon EventBridge\nHVR (Five Tran HVR)\nDesign, build, and consume high-performance REST APIs using .NET/.NET Core.\nImplement resilient messaging, event processing, monitoring, and fault-tolerant patterns.\nCollaborate with cloud, infrastructure, and security teams to ensure scalability and reliability.\nOptimize system performance to meet stringent SLAs and low-latency requirements.\n\nRequired Technical Skills\nReal-Time Processing:\nProven experience building real-time distributed systems.\nDemonstrated experience delivering transaction round-trip times under 300 milliseconds.\nExperience enriching transactions using multiple internal and external data sources.\nStreaming & Messaging:\nApache Kafka\nTopic design\nConsumer groups\nStream processing\nCustom Kafka business logic\nApache Flink\nStateful stream processing\nEvent-time processing\nWindowing\nLow-latency data pipelines\nAPI & Integration Technologies:\nKong API Gateway\nREST APIs\nMicroservices Architecture\n.NET / .NET Core / C#\nAWS Technologies:\nAWS Glue\nAWS Lambda\nAmazon EventBridge\nCloud-native event-driven architectures\nIntegration between on-premises and cloud platforms\nData Replication & Integration:\nHVR (High Volume Replication/Fivetran HVR)\nReal-time data synchronization and replication strategies\nSecurity & Network Intelligence Requirements\nThe candidate should possess experience in:\nIP reputation and risk analysis\nIdentifying and classifying traffic originating from:\nTOR networks\nProxy servers\nVPN services\nFraud detection or cybersecurity-related enrichment services\nIntegration of threat intelligence and geolocation services into transaction workflows\n\nPreferred Qualifications:\nExperience in payments, fintech, banking, fraud prevention, or risk management systems.\nExperience operating systems with high transaction volumes and strict SLA requirements.\nStrong understanding of resiliency patterns, fault tolerance, and distributed architectures.\nKnowledge of observability, monitoring, and performance tuning.\n\nScreening Questions:\nHave you built or supported a real-time transaction processing system where end-to-end response time was less than 300 milliseconds\nHow many enrichment sources were involved, and were they cloud-based, on-premises, or both\nDescribe your hands-on experience with Apache Flink.\nDescribe your experience designing and implementing Kafka-based business logic.\nHave you worked with Kong API Gateway Please provide examples.\nWhat experience do you have with AWS Glue, Lambda, EventBridge, and HVR\nHave you built and consumed high-volume real-time APIs using .NET/.NET Core\nHave you implemented solutions to detect whether an IP address originates from a TOR network, Proxy, or VPN\nAre you currently located in Austin or willing to remain in Austin for the duration of the engagement\nWhat is your earliest available joining date\n\nMandatory Requirements Summary:\nReal-time systems (300ms latency)\nApache Kafka\nApache Flink\nKong API Gateway\nAWS Glue\nAWS Lambda\nAmazon EventBridge\nHVR\n.NET / .NET Core APIs\nTOR / Proxy / VPN detection knowledge\nOnsite in Austin throughout project duration\nImmediate to short-notice availability preferred (state joining timeline)\n\nMust have skills:\nExcellent knowledge of C# with Multi-threading, Async.\nGood command over OOP concepts, SOLID principles, Design patterns.\nExperience in REST API/Microservices using ASP .Net WebAPI. Only ASP.Net MVC is not acceptable.\nSecuring web applications using Authentication Tokens, Certificates, OAuth etc.\nCaching, Distributed caching.\nPub/Sub, Queues/Topics Message Broker, Any one Queuing system.\nSQL Server knowledge, Joins, Stored Procedures, Functions, writing complex queries. SSIS/SSRS\nExperience on Lambda, CloudWatch, API Gateway, S3 Bucket, EC2, SNS, SQS, ELB, Docker/Kubernetes & Kafka MQ, IAM, Authorization, and Access control, SaaS etc.\n\nGood to Have Skills (Secondary Skils):\nBusiness communication, client facing and consulting experience, coordination and navigating with stake holders and offshore team, solutioning mindset.\nThe pay range that the employer in good faith reasonably expects to pay for this position is $41.61/hour - $65.01/hour. Our benefits include medical, dental, vision and retirement benefits. Applications will be accepted on an ongoing basis.\nTundra Technical Solutions is among North America’s leading providers of Staffing and Consulting Services. Our success and our clients’ success are built on a foundation of service excellence. We are an equal opportunity employer, and we do not discriminate on the basis of race, religion, color, national origin, sex, sexual orientation, age, veteran status, disability, genetic information, or other applicable legally protected characteristic. Qualified applicants with arrest or conviction records will be considered for employment in accordance with applicable law, including the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act. Unincorporated LA County workers: we reasonably believe that criminal history may have a direct, adverse and negative relationship with the following job duties, potentially resulting in the withdrawal of a conditional offer of employment: client provided property, including hardware (both of which may include data) entrusted to you from theft, loss or damage; return all portable client computer hardware in your possession (including the data contained therein) upon completion of the assignment, and; maintain the confidentiality of client proprietary, confidential, or non-public information. In addition, job duties require access to secure and protected client information technology systems and related data security obligations.","company":"Capgemini","rawCompany":"capgemini","city":"Austin","state":"TX","isRemote":false,"isActive":false,"createdAt":"2026-08-03T23:33:06.683Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"},{"code":"15-1254.00","title":"Web Developers","slug":"web-developers"}],"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":".Net Developer","description":"Austin, TX, United States (On-site)\nContract (4 months 29 days)\nPublished 5 days ago\nDocker & Kubernetes\naws cloud\nOOP Concepts\nSQL server\nmicroservices architecture\napache kafka\napi management\nC# .NET\nKey Responsibilities:\nDesign and develop real-time transaction processing systems with end-to-end latency requirements below 300 milliseconds.\nBuild highly resilient and scalable architectures capable of enriching transactions from approximately 10+ on-premises and cloud-based data sources.\nDevelop and maintain event-driven streaming solutions using:\nApache Kafka\nApache Flink\nKong API Gateway\nBuild and support real-time integrations using:\nAWS Glue\nAWS Lambda\nAmazon EventBridge\nHVR (Five Tran HVR)\nDesign, build, and consume high-performance REST APIs using .NET/.NET Core.\nImplement resilient messaging, event processing, monitoring, and fault-tolerant patterns.\nCollaborate with cloud, infrastructure, and security teams to ensure scalability and reliability.\nOptimize system performance to meet stringent SLAs and low-latency requirements.\n\nRequired Technical Skills\nReal-Time Processing:\nProven experience building real-time distributed systems.\nDemonstrated experience delivering transaction round-trip times under 300 milliseconds.\nExperience enriching transactions using multiple internal and external data sources.\nStreaming & Messaging:\nApache Kafka\nTopic design\nConsumer groups\nStream processing\nCustom Kafka business logic\nApache Flink\nStateful stream processing\nEvent-time processing\nWindowing\nLow-latency data pipelines\nAPI & Integration Technologies:\nKong API Gateway\nREST APIs\nMicroservices Architecture\n.NET / .NET Core / C#\nAWS Technologies:\nAWS Glue\nAWS Lambda\nAmazon EventBridge\nCloud-native event-driven architectures\nIntegration between on-premises and cloud platforms\nData Replication & Integration:\nHVR (High Volume Replication/Fivetran HVR)\nReal-time data synchronization and replication strategies\nSecurity & Network Intelligence Requirements\nThe candidate should possess experience in:\nIP reputation and risk analysis\nIdentifying and classifying traffic originating from:\nTOR networks\nProxy servers\nVPN services\nFraud detection or cybersecurity-related enrichment services\nIntegration of threat intelligence and geolocation services into transaction workflows\n\nPreferred Qualifications:\nExperience in payments, fintech, banking, fraud prevention, or risk management systems.\nExperience operating systems with high transaction volumes and strict SLA requirements.\nStrong understanding of resiliency patterns, fault tolerance, and distributed architectures.\nKnowledge of observability, monitoring, and performance tuning.\n\nScreening Questions:\nHave you built or supported a real-time transaction processing system where end-to-end response time was less than 300 milliseconds\nHow many enrichment sources were involved, and were they cloud-based, on-premises, or both\nDescribe your hands-on experience with Apache Flink.\nDescribe your experience designing and implementing Kafka-based business logic.\nHave you worked with Kong API Gateway Please provide examples.\nWhat experience do you have with AWS Glue, Lambda, EventBridge, and HVR\nHave you built and consumed high-volume real-time APIs using .NET/.NET Core\nHave you implemented solutions to detect whether an IP address originates from a TOR network, Proxy, or VPN\nAre you currently located in Austin or willing to remain in Austin for the duration of the engagement\nWhat is your earliest available joining date\n\nMandatory Requirements Summary:\nReal-time systems (300ms latency)\nApache Kafka\nApache Flink\nKong API Gateway\nAWS Glue\nAWS Lambda\nAmazon EventBridge\nHVR\n.NET / .NET Core APIs\nTOR / Proxy / VPN detection knowledge\nOnsite in Austin throughout project duration\nImmediate to short-notice availability preferred (state joining timeline)\n\nMust have skills:\nExcellent knowledge of C# with Multi-threading, Async.\nGood command over OOP concepts, SOLID principles, Design patterns.\nExperience in REST API/Microservices using ASP .Net WebAPI. Only ASP.Net MVC is not acceptable.\nSecuring web applications using Authentication Tokens, Certificates, OAuth etc.\nCaching, Distributed caching.\nPub/Sub, Queues/Topics Message Broker, Any one Queuing system.\nSQL Server knowledge, Joins, Stored Procedures, Functions, writing complex queries. SSIS/SSRS\nExperience on Lambda, CloudWatch, API Gateway, S3 Bucket, EC2, SNS, SQS, ELB, Docker/Kubernetes & Kafka MQ, IAM, Authorization, and Access control, SaaS etc.\n\nGood to Have Skills (Secondary Skils):\nBusiness communication, client facing and consulting experience, coordination and navigating with stake holders and offshore team, solutioning mindset.\nThe pay range that the employer in good faith reasonably expects to pay for this position is $41.61/hour - $65.01/hour. Our benefits include medical, dental, vision and retirement benefits. Applications will be accepted on an ongoing basis.\nTundra Technical Solutions is among North America’s leading providers of Staffing and Consulting Services. Our success and our clients’ success are built on a foundation of service excellence. We are an equal opportunity employer, and we do not discriminate on the basis of race, religion, color, national origin, sex, sexual orientation, age, veteran status, disability, genetic information, or other applicable legally protected characteristic. Qualified applicants with arrest or conviction records will be considered for employment in accordance with applicable law, including the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act. Unincorporated LA County workers: we reasonably believe that criminal history may have a direct, adverse and negative relationship with the following job duties, potentially resulting in the withdrawal of a conditional offer of employment: client provided property, including hardware (both of which may include data) entrusted to you from theft, loss or damage; return all portable client computer hardware in your possession (including the data contained therein) upon completion of the assignment, and; maintain the confidentiality of client proprietary, confidential, or non-public information. In addition, job duties require access to secure and protected client information technology systems and related data security obligations.","datePosted":"2026-08-03T23:33:06.683Z","dateModified":"2026-08-03T23:33:06.683Z","hiringOrganization":{"@type":"Organization","name":"Capgemini","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Austin","addressRegion":"TX","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"070608533c9aa8ea7fa97782"},"url":"https://jobsearcher.com/jobs/070608533c9aa8ea7fa97782"}}