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About the Role
Code and Theory is seeking a full-stack lead engineer to help build The Machine, our agentic operating system for marketing. This is a senior, hands-on role, setting technical direction, developing the team, and staying in the code building the AI-native digital platforms and user experiences that power enterprise marketing workflows. The engineer will work closely with Engineering, Product, and Design to build performant, scalable applications across web and AI-enabled systems, leading through the work itself, coordinating across functions, and gathering the information that shapes roadmaps and priorities.
Responsibilities
- Own the technical direction for features and systems across the full stack, setting standards for scalability, correctness, and maintainability.
- Build and maintain modern front-end applications using React and Next.js, focusing on correctness for long-term maintainability and integration with back-end services.
- Own complex API integrations end to end, setting contracts, validation standards, and reliability bars for system communication.
- Build maintainable and well-structured application logic.
- Lead cross-disciplinary alignment on architecture, data flow, and technical trade-offs.
- Lead technical discussions, architectural reviews, and problem-solving sessions.
- Set the bar for code quality, and define and enforce standards for clean, maintainable, well-documented code.
- Mentor and develop engineers, actively growing junior talent through code review, knowledge-sharing, and modeling strong engineering practices.
- Help define the vanguard for emerging technologies and frameworks, applying them to projects quickly and effectively.
Requirements
- Ability to build independently to figure out how something works for the user.
- Self-direction, curiosity, and comfort with ambiguity.
- Bias toward action.
- Experience in an IDE or harness of choice.
- Backend experience in Python, Node.js, or Go.
- Infrastructure and infrastructure as code experience (GCP, AWS, or Azure; Terraform, Pulumi, or similar; Kubernetes and networking principles).
- Experience with SQL and NoSQL databases (relational schema design and vector embeddings for AI search).
- Experience with event-driven systems such as SQS, SNS, Kafka, or RabbitMQ.
- Frontend experience in React and modern CSS such as Tailwind.
- CI/CD experience with GitHub Actions, CircleCI, or Jenkins.
- An understanding of build, bundling, imaging, and publishing pipelines.
- Familiarity with AI-native development tools like Cursor, Devin, or Claude Code.
- Experience with agentic frameworks and infrastructure such as Google ADK, LiteLLM, LangChain, or similar.
Skills
- React
- Next.js
- Python
- Node.js
- Go
- GCP
- AWS
- Azure
- Terraform
- Pulumi
- Kubernetes
- SQL
- NoSQL
- SQS
- SNS
- Kafka
- RabbitMQ
- Tailwind CSS
- GitHub Actions
- CircleCI
- Jenkins
- Cursor
- Devin
- Claude Code
- Google ADK
- LiteLLM
- LangChain
Experience Level
- Senior
- Multiple levels
Salary/Compensations
- $140,000 to $180,000
About the Company
- Born in 2001, Code and Theory is a digital-first creative agency that sits at the center of creativity and technology.
- We pride ourselves on not only solving consumer and business problems, but also helping to establish new capabilities for our clients.
- With a global client roster of Fortune 100s and start-ups alike, we crave the hardest problems to solve.
- We have teams distributed across North America, South America, Europe, and Asia.
- The Code and Theory global network of agencies is growing and includes Kettle, Instrument, Left Field Labs, Create Group, Current, and TrueLogic.
- Striving never to be pigeonholed, we work across every major category: from tech to CPG, financial services to travel & hospitality, government and education to media and publishing.
- We value the collaboration with our client partners, including but not limited to Adidas, Amazon, Con Edison, Diageo, EY, J.P. Morgan Chase, Lenovo, Marriott, Mars, Microsoft, Thomson Reuters, and TikTok.
- The Code and Theory network is comprised of nearly 2,000 people with 50% engineers and 50% creative talent.
- We're always on the lookout for smart, driven, and forward-thinking people to join our team.