I T

Software Engineer (Full-Stack)

København
Company: KIME
Published Dec 22, 2025

Role highlights

Contract type

Full Time

Schedule

Permanent

Experience

Mid

Work style

On-site

Key skills

This full-stack Software Engineer role requires a minimum of three years of professional experience developing scalable web applications using a modern JavaScript/TypeScript technology stack. The core backend technologies include Node.js and TypeScript, while frontend development is centered on React and TypeScript, emphasizing strong full-stack proficiency. Candidates should have hands-on experience integrating and optimizing AI and large language model (LLM) APIs such as OpenAI, Anthropic, and Perplexity, reflecting a focus on AI-powered marketing analytics platforms. Working knowledge of PostgreSQL databases and cloud-based infrastructure is essential for building and maintaining reliable, high-performance systems. The role demands clean, maintainable, and well-tested code, with active participation in architectural discussions, technical decision-making, and code reviews, highlighting a collaborative and quality-driven engineering culture. Strong problem-solving skills and a proactive mindset are critical to thrive in a fast-paced startup environment. The position is onsite in Copenhagen, requiring close collaboration with founders and early team members, underscoring the importance of communication and teamwork in a small, ambitious company. Interest in AI-driven products and data-centric workflows is highly valued. Overall, the role suits an experienced software engineer with a solid foundation in TypeScript-based full-stack development, API integration, and a passion for advancing AI applications in marketing technology.

#Software Engineer #Frontend Developer #React Developer #Backend Developer #Web Developer #Platform Engineer #AI Software Engineer #TypeScript Developer #Node.js Developer #Full-Stack Developer

About the role

About KIME

  • Building the future of brand visibility in the age of AI
  • Platform helps companies scale by unlocking discovery across AI ecosystems (ChatGPT, Gemini, Perplexity, and more)
  • Enables brands to understand, optimize, and own their presence in conversational AI
  • Combines intelligent analytics, content strategy, and performance tracking
  • Empowers marketing teams to stay ahead in an AI-driven world
  • Fast-growing startup shaping how brands grow in the era of AI

Role Summary

  • Onsite role based in Copenhagen
  • Join KIME’s core engineering team
  • Work hands-on on AI-powered marketing analytics platform
  • Build and scale product features using a modern tech stack
  • Collaborate closely with founders and early team in a fast-moving environment

Tech Stack

  • Backend: Node.js, TypeScript
  • Frontend: React, TypeScript
  • Database: PostgreSQL
  • AI & LLM integrations: OpenAI, Anthropic, Perplexity, and other emerging LLM APIs
  • Infrastructure: Cloud-based

Responsibilities

  • Build, maintain, and scale core platform features using Node.js, TypeScript, and React
  • Integrate and optimize workflows using LLM APIs (OpenAI, Anthropic, Perplexity, etc.)
  • Collaborate with product and design to translate requirements into high-quality solutions
  • Improve system performance, reliability, and security
  • Write clean, maintainable, and well-tested code
  • Participate in architectural discussions and technical decision-making
  • Contribute to engineering best practices and code reviews

Requirements

  • 3+ years of experience as a Software Engineer
  • Strong experience with TypeScript and modern Node.js backend development or equivalent web technologies
  • Experience building frontend applications with React
  • Experience working with APIs and data-driven systems is a plus
  • Interest in AI-powered products and LLM-based workflows
  • Ability to work onsite in Copenhagen and collaborate closely with a small team
  • Strong problem-solving skills and a proactive mindset

Benefits

  • Competitive salary
  • Opportunity to work on a category-defining AI platform
  • Direct collaboration with founders and early team members
  • Onsite role in Copenhagen with high ownership and impact
  • Professional development budget for tools, learning, and conferences
  • Focused, ambitious, and transparent company culture

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KIME logo

KIME

IT

KIME is redefining how brands grow in the age of AI. We help companies become more visible across Large Language Models (LLMs) such as ChatGPT, Gemini, and Per...

Location
København
Employees
1-10 employees
Website
www.kime.ai