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front, back & full stack

Tech Lead (AI Chatbot & Agent Systems)

We are looking for a highly capable Tech Lead to own the technical direction, delivery, and evolution of an AI-powered chatbot product.This role combines AI system design, technical leadership, people management, and product collaboration.The product heavily relies on LLM integrations and agent-based architectures, requiring continuous experimentation with new techniques in order to improve quality, reliability, and user experience.The ideal candidate is comfortable operating in environments with evolving requirements and is able to transform ambiguous product needs into structured technical solutions.This is a highly hands-on role requiring strong autonomy and ownership mindset.

schedule

Full Time

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Work Contract

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What you'll do

- Lead the design and evolution of LLM-powered chatbot architectures, including agent-based workflows, tool integrations, and context/memory strategies, ensuring high-quality, reliable, and cost-efficient AI systems.

- Define technical direction and system architecture, promoting scalability, maintainability, and engineering best practices, while proactively identifying and mitigating risks.

- Own delivery execution by structuring complex initiatives, aligning timelines, and coordinating engineering efforts to ensure consistent progress in dynamic environments.

- Mentor and support engineers, providing technical guidance, unblocking challenges, and fostering a strong, high-performing engineering culture.

- Collaborate closely with stakeholders to translate business needs into effective AI solutions, contributing to product roadmap, prioritization, and continuous improvement of user experience.

- Drive innovation by exploring and validating new approaches in agent orchestration, prompt engineering, and AI system optimization, continuously improving performance, reliability, and efficiency.

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Requirements

    • Strong experience building LLM-powered applications, including agent-based workflows, prompt engineering, RAG, embeddings, and tool/function calling. Solid understanding of improving reliability, evaluating outputs, and optimizing AI system quality.
    • Proficiency with frameworks such as LangChain and (preferably) LangGraph.
    • Strong background in software engineering as a Tech Lead or Senior Engineer, with the ability to design scalable systems from scratch, including APIs and backend architectures.
    • Proven leadership skills, including mentoring engineers, guiding technical decisions, and structuring work in ambiguous environments.
    • Experience owning end-to-end delivery of complex initiatives, with the ability to break down problems, prioritize effectively, and ensure consistent execution.
    • Strong product mindset, able to identify gaps, propose structured solutions, and make decisions with incomplete information.
    • Excellent communication skills, with the ability to clearly explain complex AI systems and align technical decisions with business goals
    Nice to Have
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    • Experience with AI-assisted development tools (e.g., Cursor, Claude Code, Copilot) to improve productivity.
    • Familiarity with advanced AI topics such as evaluation frameworks, guardrails, cost-performance optimization, latency reduction, and long-term memory strategies.
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Other information

  • Flexible work environment
  • Periodic feedback sessions aimed at personal development and career growth within the company
  • Legal Entity Contract
  • Job available only for Latin American residentes*

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AI Fullstack Developer

We are looking for a Mid-Level Fullstack Developer to help build scalable, AI-powered applications. You will work across backend and frontend, contributing to modern web development, LLM integrations, and conversational interfaces, while collaborating closely with the Tech Lead and product team. This role is ideal for someone who is technically strong, adaptable, and interested in working with emerging AI technologies in a fast-paced environment. Opportunity for Latin American residents only

Tech Lead (AI-First Product)

We are looking for a highly capable Tech Lead to design and deliver an AI-enabled product from scratch in an environment where requirements may initially be unclear or incomplete. This role requires someone who combines strong software engineering fundamentals, product thinking, and hands-on experience building systems powered by LLMs or other AI technologies. The ideal candidate is comfortable operating in a small company environment, working directly with stakeholders to transform ambiguous business needs into scalable technical solutions. This is a highly hands-on role requiring strong autonomy, pragmatic decision-making, and the ability to structure messy problem spaces.

Questions about joining our team?

remote/office work

We are a fully remote company, but we value in-person connections. We host annual trips for the entire team to collaborate and bond, and some teams organize additional meetups throughout the year to work together.

what does "flexible work" mean at KIS?

You can choose your work hours, as long as you meet your team and client's main meetings, cerimonies and deliveries. Apart from those ceremonies, you can choose how to distribute the remaining hours of your day. Just make sure you're communicating frequently and clearly.

how we keep our teams together

We have performance plans, feedback and follow-up sessions, social gatherings (online and offline) and laid-back events to keep the teams engaged and united.

how does our contract work?

Our contracts are based on Legal Person agreements (PJ in Brazil). Let us know if you need help explaining this contract model.

couldn’t find all the answers you need?

Contact our team and learn more about careers at KIS.

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