Full stack engineer - AT&T

Full stack engineer100% onsite in Jersey City. USC/GC.Need bank experience.c2c ratesneed genuine candidate - with older LinkedInPosition SummaryWe are looking for a full stack engineer with strong Python or Java experience to help modernize our backbone voice infrastructure. The resource will design and build cloud native services and tooling on AWS, run workloads on Kubernetes, and implement Infrastructure as Code and Configuration as Code with Terraform and GitOps. This work will enable resilient, observable, and secure voice services at scale, partnering closely with voice and/or network engineering teams.Scope of Work to Be Performed· Design, build, and maintain microservices and APIs in Python or Java to support provisioning, routing, monitoring, and control-plane functions for backbone voice services.· Develop web UIs and dashboards (e.g., React or Angular with TypeScript) for self service configuration, operations, and observability.· Containerize and operate services on Kubernetes (preferably EKS), including Helm charts and/or Kustomize, autoscaling, RBAC, and workload security.· Implement Infrastructure as Code using Terraform (modular patterns) for AWS networking, EKS, IAM, compute, storage, and observability stacks.· Adopt Configuration as Code and GitOps for Kubernetes (e.g., Helm, Kustomize, Argo CD/Flux) to enable versioned, auditable rollouts of services and network configurations.· Build event-driven and streaming integrations (e.g., Kafka and/or SQS) to capture call events, metrics, and operational signals for real time insights.· Partner with voice and network engineers to integrate with SIP and/or Clients, PBX and/or call recording, and voice QoS (jitter, packet loss, MOS), implementing secure signaling and/or media (TLS and/or SRTP).· Establish CI and/or CD pipelines (e.g., GitHub Actions, Jenkins, GitLab CI), automated testing (e.g., unit, integration, contract, and/or load), and security scanning.· Implement end to end observability, including but not limited to:o Metrics,o Logs,o Tracing (e.g., Prometheus, Grafana, and/or OpenTelemetry),o SLOs and/or SLIs, and/oro Actionable alerting.· Embed security best practices, including but not limited to:o IAM least privilege,o Secret management,o mTLS,o Network segmentation,o Audit trails, and/oro Compliance-by-design.· Contribute to SRE practices, including but not limited to:o Incident response,o Root-cause analysis,o Capacity planning,o Service hardening, and/oro On call participation.Required SkillsGeneral Abilities· Excellent collaboration and communication skills working across software, network, and operations teams· At least five (5) years of software engineering experience building and operating production systems· Proven experience on AWS, including but not limited to:o VPC,o EKS,o EC2,o ALB and/or NLB,o IAM,o S3,o RDS and/or DynamoDB, and/oro CloudWatch· Solid experience on one or more of the following:o Linux systems,o Shell scripting,o Git and/or GitHub, ando CI and/or CD toolchainsGeneral Technical Skills· Strong understanding of networking fundamentals, including but not limited to:o TCP/IP,o DNS,o TLS,o HTTP,o Load balancing, and/oro NAT· Solid front end skills with modern frameworks (React or Angular) and TypeScript· Solid front end skills in component testing· Experience with relational and/or NoSQL databases, including but not limited to:o PostgreSQL,o MySQL, and/oro DynamoDB· Experience with relational and/or NoSQL database messaging (e.g., Kafka and/or SQS)· Terraform expertise for IaC, including but not limited to:o Reusable modules,o Workspaces,o Policy as code, and/oro PipelinesSpecific Technical Skills· Strong proficiency – along with clean coding practices, testing discipline, and performance awareness – in [either/one or both] of the following:o Python:§ FastAPI, Flask, and/or Django§ pytesto Java (Spring Boot, JUnit)· Hands on experience with Kubernetes in production, including but not limited to:o Deployments,o Networking,o Security,o Scaling, and/oro Helm and/or KustomizeDesired Skills· Experience in any of the following:o Voice and/or real time communications domain, including but not limited to:§ SIP,§ RTP and/or SRTP,§ Clients,§ SIP trunking, and/or§ Call routingo Tools like SIPpo Platforms such as Kamailio and/or Asterisk or vendor ecosystems, including but not limited to:§ Cisco,§ Avaya, and/or§ Genesyso GitOps (Argo CD and/or Flux), service mesh (Istio and/or Linkerd), and policy engines (OPA and/or Gatekeeper)o Terragrunt or Terraform Cloud and/or Enterprise, sentinel and/or policy as code, and private module registrieso Advanced observability (e.g., RED and/or USE, synthetic tests) and resilience patterns, including but not limited to:§ Circuit breakers,§ Retries, and/or§ Backoffo Security hardening for containers and/or Kubernetes, including but not limited to:§ Image signing,§ Least privileged containers, and/or§ Network policieso Performance engineering for either/both:§ Low latency, high availability systems and§ Real time media workloads· Certifications, including but not limited to:o AWS (e.g., Developer, SysOps, and/or DevOps Engineer),o CKA and/or CKAD, and/oro HashiCorp Terraform Associate