Senior Full-Stack Engineer (3 - 5 years exp)

**About the Role** We are seeking a Senior Full\-Stack Developer to lead the technical implementation of our core Campaign Planning platform. You will build high\-impact campaign management interfaces, design robust APIs in Node.js, and architect scalable data models in PostgreSQL hosted on AWS. **Key Responsibilities** * Architect and implement intuitive user interfaces for campaign planning workflows, timeline visualization, and asset management using React. * Design, build, and maintain scalable backend REST/GraphQL APIs and microservices using Node.js, Pytho * Security and Authentication: JWT/OAuth2 experienc * Optimize database queries, data schemas, and state management for high\-throughput campaign operations * Deploy and support applications within an AWS cloud environment * Lead peer code reviews and enforce adherence to Sonar quality gates and JFrog Xray security scanning threshold * Plan and manage infrastructure capacity, scaling policies, and SSL certificate renewal * Collaborate closely with cross\-functional teams to translate campaign requirements into reliable technical deliverables * AI \& ML experience (good to have): Claude Code, OpenAI Codex, Cursor, GitHub Copilot, Agentic AI, MCP, AWS Bedrock, SageMaker, Nova Pro, TensorFlow, Scikit\-learn, LangChain, LangGraph, RAG, Document Intelligence (OCR, Textract), Vector Search, Prompt Engineering, LLM Evaluation CI/CD \& DevOps * Own and maintain all Jenkins CI/CD pipelines * Manage branch\-based deployment flows across all environments * Maintain artifact repository integrations with JFrog Artifactory and enforce Xray security policies * Maintain SonarQube project configurations and enforce quality gate compliance across all repos Monitoring \& Observability * Oversee application health monitoring using Datadog, Dynatrace, and Splunk integrations across all environment * Maintain structured logging and ensure log pipelines are operational in all deployed environment * Review and act on application metrics, performance trends, and error reports to proactively address issues before they impact users **Required Qualifications and experiences:** * 5\+ years of hands\-on experience building production\-grade web applications using React. * 5\+ years of backend engineering experience developing scalable APIs using Node.js. * Experience with AWS services including Lambda, ALB, CloudFront, DynamoDB, S3, ElastiCache (Redis), RDS (MySQL), KMS, Secrets Manager, SSM, EC2, ECS/EKS and IAM * Experience building and maintaining Jenkins CI/CD pipelines with multi\-branch strategies, artifact management, and automated code quality gates * 5\+ years of experience working with PostgreSQL or equivalent (query optimization, schema design, index management). * Strong understanding of web standards, API design (RESTful/GraphQL), containerization (Docker), and automated testing.