{"schemaVersion":"jobsearcher.job.v1","id":"b52d0d4d4579ffcb3a6fc0fb","url":"https://jobsearcher.com/jobs/b52d0d4d4579ffcb3a6fc0fb","canonicalUrl":"https://jobsearcher.com/jobs/b52d0d4d4579ffcb3a6fc0fb","title":"Lead Application Engineer – CCaaS","description":"Title: Lead Application Engineer - CCaaS (AWS Connect / Five9 / Cloud Migration)\nType: 6+ Month Contract (Potential to Convert)\nLocation: Hybrid - Phoenix, AZ (18850 N 56th St) preferred; Sunrise, FL (1500 NW 136th Ave) also considered\n\nRole Overview\nAmerican Express is seeking a Lead Application Engineer to spearhead the design, development, and modernization of enterprise contact center platforms. This role is central to a large-scale migration from on-premise Genesys to cloud-based CCaaS solutions (AWS Connect or GCP/Five9). The ideal candidate brings deep Java/API engineering expertise, cloud architecture experience, and strong leadership skills to enhance customer experience platforms.\nKey Responsibilities\nLead development of scalable, enterprise-grade applications and APIs (Java-based).\nDesign and implement CCaaS and Intelligent Virtual Assistant (IVA) solutions.\nArchitect and support cloud migration from Genesys to AWS or GCP platforms.\nEnhance contact center capabilities: routing, IVR, omnichannel, workforce tools.\nIntegrate systems with CRM platforms (Salesforce, ServiceNow, etc.).\nDefine and drive architecture strategy ensuring scalability, performance, and security.\nCollaborate with product and business teams to align technical solutions with business outcomes.\nMentor engineers and provide technical leadership across initiatives.\nCore Requirements\n8-10+ years of software engineering experience.\nStrong expertise in Java development and API engineering.\nHands-on experience with contact center technologies (Genesys, Amazon Connect, Five9).\nProven background in architecture design and complex system modeling.\nSolid understanding of data structures, algorithms, and design patterns.\nExperience with Agile, CI/CD, and DevOps practices.\nExcellent communication skills to influence technical and non-technical stakeholders.\nCloud / CCaaS Specializations\nAWS / Amazon Connect Focus\nDesign CCaaS solutions using Amazon Connect and Amazon Lex.\nBuild conversational IVR leveraging NLU/NLP, intents, and dialog orchestration.\nArchitect AWS environments (Lambda, API Gateway, S3, DynamoDB, Kinesis, CloudWatch, EKS).\nImplement secure cloud architectures (IAM, VPCs, encryption, multi-region HA).\nIntegrate via Lambda webhooks, CTI adapters, SIP trunking, Amazon Chime Voice Connector.\nSupport migration from legacy platforms to Amazon Connect.\nGCP / Five9 Focus\nDesign CCaaS solutions using Dialogflow CX and Five9.\nBuild conversational IVR with NLU/NLP, webhook integrations, and flow orchestration.\nArchitect GCP environments (GKE, Cloud Run, Cloud Functions, Pub/Sub, Apigee, BigQuery).\nImplement secure, scalable infrastructure (IAM, VPC, encryption, multi-region HA).\nDevelop and optimize Five9 solutions (ACD, routing, dialer, omnichannel).\nLead integrations via APIs, webhooks, SIP/WebRTC, CRM/CTI integrations.\nSupport migration from legacy platforms to Five9.\nAdditional Technical Skills\nInfrastructure as Code (Terraform, CloudFormation).\nKnowledge of OAuth, cloud security architecture, compliance (PCI, HIPAA).\nExperience with observability, monitoring, and performance optimization.\nFamiliarity with GitHub Actions or similar CI/CD tooling.\nLeadership & Soft Skills\nStrong leadership and mentorship capabilities.\nAbility to collaborate across distributed teams and stakeholders.\nExcellent written and verbal communication skills.\nProactive mindset with focus on continuous improvement.","company":"Stellar It Solutions","rawCompany":"stellar it solutions","city":"Phoenix","state":"AZ","isRemote":false,"isActive":false,"createdAt":"2026-07-21T11:58:24.538Z","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":"15-1211.00","title":"Computer Systems Analysts","slug":"computer-systems-analysts"}],"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":"Lead Application Engineer – CCaaS","description":"Title: Lead Application Engineer - CCaaS (AWS Connect / Five9 / Cloud Migration)\nType: 6+ Month Contract (Potential to Convert)\nLocation: Hybrid - Phoenix, AZ (18850 N 56th St) preferred; Sunrise, FL (1500 NW 136th Ave) also considered\n\nRole Overview\nAmerican Express is seeking a Lead Application Engineer to spearhead the design, development, and modernization of enterprise contact center platforms. This role is central to a large-scale migration from on-premise Genesys to cloud-based CCaaS solutions (AWS Connect or GCP/Five9). The ideal candidate brings deep Java/API engineering expertise, cloud architecture experience, and strong leadership skills to enhance customer experience platforms.\nKey Responsibilities\nLead development of scalable, enterprise-grade applications and APIs (Java-based).\nDesign and implement CCaaS and Intelligent Virtual Assistant (IVA) solutions.\nArchitect and support cloud migration from Genesys to AWS or GCP platforms.\nEnhance contact center capabilities: routing, IVR, omnichannel, workforce tools.\nIntegrate systems with CRM platforms (Salesforce, ServiceNow, etc.).\nDefine and drive architecture strategy ensuring scalability, performance, and security.\nCollaborate with product and business teams to align technical solutions with business outcomes.\nMentor engineers and provide technical leadership across initiatives.\nCore Requirements\n8-10+ years of software engineering experience.\nStrong expertise in Java development and API engineering.\nHands-on experience with contact center technologies (Genesys, Amazon Connect, Five9).\nProven background in architecture design and complex system modeling.\nSolid understanding of data structures, algorithms, and design patterns.\nExperience with Agile, CI/CD, and DevOps practices.\nExcellent communication skills to influence technical and non-technical stakeholders.\nCloud / CCaaS Specializations\nAWS / Amazon Connect Focus\nDesign CCaaS solutions using Amazon Connect and Amazon Lex.\nBuild conversational IVR leveraging NLU/NLP, intents, and dialog orchestration.\nArchitect AWS environments (Lambda, API Gateway, S3, DynamoDB, Kinesis, CloudWatch, EKS).\nImplement secure cloud architectures (IAM, VPCs, encryption, multi-region HA).\nIntegrate via Lambda webhooks, CTI adapters, SIP trunking, Amazon Chime Voice Connector.\nSupport migration from legacy platforms to Amazon Connect.\nGCP / Five9 Focus\nDesign CCaaS solutions using Dialogflow CX and Five9.\nBuild conversational IVR with NLU/NLP, webhook integrations, and flow orchestration.\nArchitect GCP environments (GKE, Cloud Run, Cloud Functions, Pub/Sub, Apigee, BigQuery).\nImplement secure, scalable infrastructure (IAM, VPC, encryption, multi-region HA).\nDevelop and optimize Five9 solutions (ACD, routing, dialer, omnichannel).\nLead integrations via APIs, webhooks, SIP/WebRTC, CRM/CTI integrations.\nSupport migration from legacy platforms to Five9.\nAdditional Technical Skills\nInfrastructure as Code (Terraform, CloudFormation).\nKnowledge of OAuth, cloud security architecture, compliance (PCI, HIPAA).\nExperience with observability, monitoring, and performance optimization.\nFamiliarity with GitHub Actions or similar CI/CD tooling.\nLeadership & Soft Skills\nStrong leadership and mentorship capabilities.\nAbility to collaborate across distributed teams and stakeholders.\nExcellent written and verbal communication skills.\nProactive mindset with focus on continuous improvement.","datePosted":"2026-07-21T11:58:24.538Z","dateModified":"2026-07-21T11:58:24.538Z","hiringOrganization":{"@type":"Organization","name":"Stellar It Solutions","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Phoenix","addressRegion":"AZ","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"b52d0d4d4579ffcb3a6fc0fb"},"url":"https://jobsearcher.com/jobs/b52d0d4d4579ffcb3a6fc0fb"}}