Sr Full Stack Developer

Optomi, in partnership with a leading digital financial services and bank holding company, is looking for a Senior Full Stack Developer to join their team. The Senior Full Stack Developer will play a key role in building and enhancing a case management and workflow platform. This role involves developing scalable full-stack applications, contributing to AI-driven workflows, supporting AWS infrastructure, and helping establish strong engineering practices across the development organization.What the right candidate will enjoy:Building full-stack features using React, TypeScript, and Go.Working with modern AWS, Terraform, and GitLab CI/CD technologies.Contributing to AI-driven workflows, LLM agents, and RAG-based knowledge retrieval.Designing scalable, reliable, and resilient distributed systems.Working with decision engines and case-management integrations to solve complex business problems.What type of experience does the right candidate have:MUST HAVE work experience with Go.Strong experience in full-stack development with TypeScript and Go, particularly React + TypeScript on the frontend.Hands-on experience with AWS services, including ECS Fargate, ALB, RDS, Secrets Manager, S3, ECR, and CloudWatch.Experience with Postgres/MySQL, Redis, and schema migration tooling.Strong experience with Terraform and GitLab CI/CD, including multi-region and multi-account environments.Experience using AI development tools such as Claude Code, Copilot, or Cursor.Experience with LangGraph or comparable agent/workflow orchestration frameworks for stateful LLM-driven applications.Experience with rules engines such as GoRules/ZEN, Drools, or JSON-Logic.Experience integrating CRM and Case Management platforms such as Salesforce.What the responsibilities are of the right candidate:Build and deliver features for a case management and workflow system.Apply distributed-systems principles to maintain a scalable, reliable, and resilient platform.Establish coding best practices across repositories and conduct constructive peer code reviews.Own and maintain CI/CD, testing, and release pipelines in GitLab.Partner with DevOps on Terraform infrastructure and AWS deployments.Contribute to AI-driven workflows, including LangGraph agents and RAG-based knowledge retrieval.Develop and integrate the GoRules decision engine supporting case-routing and policy logic.Triage and resolve production and integration issues.