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Location: Jersey City, NJ.
Duration: 6 months
Role: Full stack engineer with strong Python or Java experience for Voice Infrastructure
Exp: 4- 6 years in required skills
Skills: Skills: Digital : Amazon Web Service(AWS) Cloud Computing, Digital : DevOps Continuous Integration and Continuous Delivery (CI/CD), MySQL, EIS : Network Engineer
Role Descriptions:
Position Summary
We 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 SBCs, 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/or
o 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/or
o 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/or
o On call participation.
Required Skills
General 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/or
o CloudWatch
Solid experience on one or more of the following:
o Linux systems,
o Shell scripting,
o Git and/or GitHub, and
o CI and/or CD toolchains
General 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/or
o 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/or
o 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/or
o Pipelines
Specific 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
pytest
o 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/or
o Helm and/or Kustomize
Desired 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,
SBCs,
SIP trunking, and/or
Call routing
o Tools like SIPp
o Platforms such as Kamailio and/or Asterisk or vendor ecosystems, including but not limited to:
Cisco,
Avaya, and/or
Genesys
o 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 registries
o Advanced observability (e.g., RED and/or USE, synthetic tests) and resilience patterns, including but not limited to:
Circuit breakers,
Retries, and/or
Backoff
o Security hardening for containers and/or Kubernetes, including but not limited to:
Image signing,
Least privileged containers, and/or
Network policies
o 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/or
o HashiCorp Terraform Associate
Best Regards,
Muhmmad Qurasi
SYSMIND LLC is an Equal Employment Opportunity employer. All qualified applicants will receive consideration for employment without any discrimination. We promote and support a diverse workforce at all levels in the company. All job offers are contingent upon completion of a satisfactory background check and reference checks. Additionally passing the drug test may also be required. All contractors intending to work on SYSMIND's W2 are "at will" employees.
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