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front, back & full stack

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

schedule

Full Time

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Work Contract

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What you'll do

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Requirements

    • 3+ years of experience in software development (fullstack or backend-focused).
    • Strong proficiency in Python and experience building APIs with FastAPI (or similar frameworks).
    • Experience working with relational databases (PostgreSQL preferred).
    • Solid understanding of REST API design principles.
    • Experience with modern React frameworks (Next.js preferred).
    • Ability to integrate frontend applications with backend APIs.
    • Experience with LLM APIs or strong interest in learning AI integrations.
    • Understanding of software architecture fundamentals and ability to write clean, maintainable code.
    • Experience with Git and version control workflows.
    • Strong debugging and problem-solving skills.
    • Ability to work in dynamic environments with evolving requirements.
    • Strong communication skills and ownership mindset.
    • Advanced English level (for collaboration with international teams).

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Other information

- 100% remote job.

- Flexible work environment.

- Periodic feedback focused on professional development.

- Competitive salary.

- Opportunity for international exposure.

- Opportunity for Latin American residents only.

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apply for position

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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.

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.

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.

get in touch

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