• Own the development and continuous improvement of Joko AI • Own the architecture of our agentic system • Design and run robust evaluation frameworks • Expand the set of tools and capabilities for Joko AI • Tackle challenges of data ingestion at scale • Leverage data to understand user preferences and enhance personalization • Prototype and iterate on new challenges and features • Stay on top of the latest models and frameworks • Fine-tune models for quality and efficiency • Collaborate closely with the Product team to define UX and implement improvements

• Build scalable backend services and APIs that power our digital merchandising platform. • Work with other senior engineers to contribute to high level decisions about the architecture and design. • Work with Product Managers to make Jane’s advertising product offerings sound, robust and easy to use. • Work with Data Scientists and Machine Learning Engineers to collect data, analyze data, and use data to improve advertising through iterations. • Help communicate and implement best practices across the engineering team. • Perform and participate in design reviews and code reviews. • Identify and resolve performance bottlenecks.

Role Description NexaFlow is developing a proof-of-concept automated code review tool powered by large language models (LLMs). We are seeking a Senior Full-Stack Engineer to design and deliver the prototype end-to-end. - Own the entire proof-of-concept (PoC) development process, from architecture to deployment. - Integrate webhooks for pull request (PR) analysis. - Build a hybrid review engine combining LLMs and static analysis tools. - Implement custom rule configuration for code reviews. - Develop a review dashboard for users. - Ensure Docker-based deployment of the solution. Qualifications - 5+ years of full-stack development experience with Python (FastAPI) or Node.js and React. - Proven experience integrating LLM APIs (such as OpenAI GPT-4, Anthropic Claude) into production systems. - Hands-on experience with CI/CD pipelines, including GitHub Actions or GitLab CI. - Familiarity with code review tooling. - Ability to work independently, handling all aspects from system architecture to deployment. - Experience with static analysis tools (e.g., Semgrep, CodeQL) is a strong plus. Requirements - Freelance/contract position. - Fully remote work. - Competitive rate based on experience.

• Leading technical direction and architecture for high-impact internal systems and services. • Setting quality standards through code reviews and design reviews. • Building the integration platform that lets other teams across Clara connect into the ClarOps backend. • Reviewing product specs from a technical perspective to flag feasibility gaps. • Running the team's execution rhythm: sprint planning, standups, and retrospectives. • Elevating the team through pairing, mentorship, and knowledge sharing. • Driving cross-team problem-solving and architectural discussions. • Applying AI tools to ship faster and improve workflows.