Remote TypeScript II AI Engineer — Craftsperson

Lever, Inc.; Netherlands; Remoto; EUR 90.000 - 130.000; Tempo pieno

Vantaggi offerti da questo lavoro

Fully remote, remote-first

Learning budget

Travel to in-person sprints

Annual retreat

Home office fund

Conference sponsorship

Comprehensive medical insurance

Leave policies

Engineering culture and pairing

AI-native development opportunities

Descrizione del lavoro

Lever, Inc. is seeking a hands-on Software Craftsperson/TypeScript- II based in the Netherlands to own end-to-end software initiatives, build scalable backends, and deliver production-ready features.

You’ll design AI-powered workflows with LLMs and agentic tooling, mentor peers, and contribute to engineering best practices in a remote-first environment. You’ll work with OpenAI, Claude, LangChain, and other AI ecosystems, while maintaining high quality and responsible AI standards across

Competenze

• 3-6 years of professional software engineering experience with a demonstrated track record of owning and delivering complex production systems.
• Strong hands-on experience developing production-grade applications using TypeScript.
• Practical experience developing AI- or LLM-powered applications, including AI agents and agentic workflows.
• Experience with platforms such as OpenAI, Claude, or comparable LLM ecosystems.
• Experience with Mastra or similar LLM and agent orchestration frameworks.
• Experience building or integrating Chrome Extensions and browser-based apps.
• Understanding of Responsible AI principles, including evaluation, reliability, safety, privacy, and handling of AI-generated outputs.
• Experience using AI skills and tooling to extend the capabilities of AI agents.
• Strong system-design capabilities for scalable, maintainable, observable systems.
• Strong engineering practices: TDD, CI/CD, code reviews, refactoring, Agile/XP.
• Good understanding of REST and/or gRPC APIs, relational databases, performance optimization, VCS, and technical documentation.
• Strong problem-solving, ownership, and collaboration skills.
• Ability to work with clients and distributed teams; proactive issue resolution.
• Python experience is a plus for production AI/LLM systems.
• Familiarity with LangChain, LlamaIndex, AI evaluation or observability tools, Docker, Kubernetes, or Terraform is advantageous.
• Experience with React.js or other modern frontend frameworks is a plus.

Mansioni

• Own complex software initiatives end to end, from design and implementation through testing, production readiness, and ongoing improvement.
• Build and maintain scalable backend systems and APIs using TypeScript and strong software craftsmanship principles.
• Design and deliver production-ready features balancing scope, quality, performance, and maintainability.
• Build AI-powered applications and workflows using LLMs, AI agents, agentic frameworks, and modern AI tooling.
• Work with platforms such as OpenAI, Claude, agentic frameworks, and AI skills/tooling to create reliable AI experiences.
• Identify technical and product risks beyond the assigned scope and drive solutions.
• Contribute to engineering excellence through testing, code quality, refactoring, tooling, DevEx, and DORA-oriented practices.
• Collaborate with clients and internal stakeholders to clarify requirements, set priorities, and align work with outcomes.
• Mentor engineers, foster knowledge sharing and a strong learning culture.
• Apply AI-assisted development workflows to accelerate design, development, testing, and delivery where appropriate.
• Build and integrate browser-based experiences, including Chrome Extensions, when required.
• Promote responsible and pragmatic engineering practices focusing on quality and client success.

Conoscenze

TypeScript

Ownership

AI/LLM development

System design

TDD/CI-CD

REST/gRPC APIs

Problem solving

Communication

Distributed teams

Python (plus)

Strumenti

OpenAI

Claude

Mastra or similar

LangChain

LlamaIndex

Vector databases

Docker

Kubernetes

Terraform

Chrome Extensions

React.js

Descrizione del lavoro

Lever, Inc. is seeking a hands-on Software Craftsperson/TypeScript- II based in the Netherlands to own end-to-end software initiatives, build scalable backends, and deliver production-ready features.

You’ll design AI-powered workflows with LLMs and agentic tooling, mentor peers, and contribute to engineering best practices in a remote-first environment. You’ll work with OpenAI, Claude, LangChain, and other AI ecosystems, while maintaining high quality and responsible AI standards across