Software Engineer II, Fintech

Twitch's Enterprise Platform & Technology (EPT) organization is looking for a Software Development Engineer II to build agentic AI systems on AWS that power Finance and enterprise functions across Twitch and Amazon.

You will design and ship MCP (Model Context Protocol) servers, Bedrock-based agents, and Claude-powered workflows, and own the AWS-native infrastructure behind them end-to-end (Lambda, Step Functions, API Gateway, S3, DynamoDB, ECS/Fargate, CDK).

Your responsibilities will include:

• Building agentic AI systems

+ Building MCP servers that give AI agents and assistants secure access to enterprise data and actions + Building Bedrock agents and Claude-powered workflows that automate Finance work like reconciliations, reporting, variance analysis, and payouts + Evaluating and adopting new AI tools, models, and patterns as they emerge + Designing for safety and trust through prompt/tool design, guardrails, human-in-the-loop approvals, evaluation, and auditability

• Building on AWS

+ Building and running the AWS services that host the agents and integrations (Lambda, Step Functions, API Gateway, S3, DynamoDB, EventBridge, SQS/SNS, ECS/Fargate) + Managing infrastructure with CDK, including CI/CD, IAM, VPC connectivity, secrets management, and beta/gamma/prod environments + Developing data pipelines between enterprise apps, Redshift, and S3, and making that data available to AI agents + Setting up monitoring for agents and services (CloudWatch metrics, logs, alarms, tracing)

• Cross-cutting

+ Collaborating with Finance, Accounting, and Tax stakeholders to translate business requirements into AI-driven solutions + Owning production systems end-to-end, from deployment and monitoring to incident response and iterative improvement + Raising the team's bar through code reviews, docs, mentoring, and promoting AI-assisted development

Requirements:

• AI and Agents

+ Demonstrated heavy use of AI tools integrated into your daily engineering workflow + Hands-on experience building with LLM APIs + Working knowledge of the current AI tooling landscape

• AWS and Engineering

+ 4+ years of professional software development experience + Hands-on experience deploying and operating production workloads on AWS + Proficiency in Python or TypeScript/JavaScript with a track record of shipping production code

Benefits:

• Medical, Dental, Vision & Disability Insurance
• 401(k)
• Maternity & Parental Leave
• Flexible PTO
• Amazon Employee Discount