Hiire

Senior AI Backend Engineer

Hiire  •  Lisbon, PT (Hybrid)  •  6 hours ago
Apply
AI can make mistakes so check important info. Chat history is never stored.

Job Description

Hiire is supporting an international industry-leading client in the search for a Senior AI Software Engineer to join a team focused on building enterprise-grade AI solutions with direct impact on critical business operations and workflows.

This is an opportunity to work in a highly technical and multidisciplinary environment where AI, software engineering, and product thinking come together to create scalable solutions for real-world problems. We are looking for someone with a hands-on mindset, strong production focus, and experience turning AI prototypes into robust and reliable systems.

What You’ll Do

  • Collaborate closely with engineering, operations, and business stakeholders to understand workflows, identify pain points, and design AI-driven solutions with measurable impact.

  • Translate complex requirements into scalable AI-enabled services and technical concepts.

  • Contribute directly to the design and architecture of systems powered by LLMs and retrieval technologies.

Build AI Systems for Production

  • Develop and maintain scalable, production-grade AI services focused on:

    • LLMs

    • RAG pipelines

    • Hybrid retrieval

    • Semantic search

    • Vector search

    • Agentic workflows

  • Build backend APIs, data pipelines, and integrations while ensuring reliability, observability, and engineering best practices.

  • Own the full development lifecycle: architecture, implementation, testing, deployment, and monitoring.

AI Evaluation, Prompt Engineering & Data Quality

  • Design rigorous evaluation strategies for AI output quality, retrieval accuracy, and model behavior.

  • Treat prompt engineering as an engineering and experimentation discipline.

  • Ensure high standards for data quality and contextual grounding across AI systems.

  • Mentor junior team members on AI engineering, experimentation, and evaluation practices.

What We’re Looking For

  • 5+ years of experience in Software Engineering, with strong exposure to AI, NLP, or Information Retrieval.

  • Proven experience building and operating AI solutions in production and enterprise environments.

  • Ability to bridge experimental Data Science workflows with reliable and maintainable software engineering practices.

Technical Skills

  • Strong proficiency in modern Python (3.11+), including:

    • async/await

    • typing

    • Pydantic

  • Experience with:

    • Docker

    • CI/CD

    • testing frameworks (pytest)

    • code quality tooling (ruff, mypy)

    • Git workflows and code reviews

  • Hands-on experience with:

    • LLMs

    • Prompt Engineering

    • RAG

    • GraphRAG

    • Vector databases / OpenSearch

    • AI evaluation pipelines

Nice to Have

  • Experience with AWS Bedrock or Azure OpenAI.

  • Familiarity with MCP (Model Context Protocol) and modern AI interface standards.

If you’re looking for an opportunity to work on applied AI in a serious, scalable, and impactful environment, this could be a very exciting next step.

Hiire

About Hiire

At Hiire, we're all about driving effective hiring through specialized recruitment and strategic mentoring. With our help, your sustainable growth is just around the corner.

We offer the following services:

For businesses

(1) In-House Recruitment - We Hiire, You Scale

(2) Direct Hiring - We Hiire, You Grow

(3) Recruitment Training - We Mentor, You Hiire

For professionals/job seekers

(4) Career Advisory - We Advise, You Thrive

All of this with full ATS access as well as flexible contracts.

Here are some of our clients: Siemens, Secil, Solvay, Ironhack, Factorial HR, Ruby Hotels, JAy!dhub, Gapstars, Trengo, NetworkMe, Zharta, Affereo, Paynest, Unlockit.

Ready to succeed through great recruitment? Contact us today!

Industry
Consulting & Advisory
Company Size
11-50 employees
Headquarters
Remote, EE
Year Founded
2022
Website
hiire.me
Social Media