Senior AI Engineer - Freelance

Posted 4 Days Ago
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Hiring Remotely in Poland
Remote
60-65 Hourly
Senior level
Information Technology • Software • Design
The Role
Seeking two Senior AI Engineers (EU-based, B2B, ~6 months full-time) to design and deliver production AI systems: orchestration (LangGraph/LangChain), multi-agent or conversational LLM systems, production evaluation frameworks, observability (Arize/Braintrust/LangSmith), and integrate MCP/OpenAI/Bedrock/AgentCore technologies under latency and cost constraints.
Summary Generated by Built In

Netguru is a trusted partner in digital commerce. The company helps leading brands modernize B2B solutions, marketplaces, and retail ecosystems. Since 2008, it has empowered businesses with cutting-edge technology, AI-powered personalization, and world-class engineering and design teams. A certified B Corporation®, Netguru is trusted by major brands including IKEA, VW, OLX, Delivery Hero, Żabka, Wolt, Careem, and Vinted.

How freelancing works at Netguru?

As a , you can choose what works well for you. You decide when, where, and how you work on projects and tasks.

We match you with work that fits your skills. Plus, you have access to various opportunities across different industries and companies. That means you will not only gain more experience, but also develop various skills.

But there's more. Netguru freelancers can benefit from full-time collaboration and really be a part of the team.

So, are you ready to make an impact? Join Netguru, and let's build beautiful software together.

We are looking for 2 Senior AI Engineers for 2 different roles.

Location: European Union

Engagement: around 6 months; full-time

Contract type: B2B only

Salary rate: 60–65 USD/hour


Requirements

Common for both roles:

  • English working proficiency.
  • Experience designing production AI systems end-to-end, from requirements to deployment.
  • Ability to independently propose architectures, evaluate tradeoffs, refine requirements with PMs, and drive implementation with limited supervision.
  • Real orchestration-framework experience (LangGraph/ LangChain).
  • Strong evaluation experience: previous experience in building and maintaining production evaluation frameworks, including creation of golden datasets, offline evaluations, online quality monitoring, and LLM-as-a-judge approaches.
  • Ability to define evaluation strategies, measure regressions, and make engineering decisions based on evaluation results.
  • Production observability for AI: tracing, prompt/output logging, eval pipelines, guardrail and latency metrics (Arize/ Braintrust/ LangSmith).
  • MCP/ OpenAI/ A2A/ Amazon Bedrock/ AgentCore.
  • Domains: agentic workflows, MCP servers, Skills, retrieval, conversational agents.

Specific for Role 1:

  • Deep experience building and running multi-agent systems in production: multi-agent orchestration, agent-to-agent communication, tool and MCP integration, and human-in-the-loop patterns under real latency and cost constraints.
  • Comfortable designing orchestration and evaluation approaches, not just implementing within them.

Specific for Role 2:

  • Solid knowledge of conversational LLM systems (prompt design, structured outputs, completion logic) and of instrumenting them in production: tracing and span attributes, latency and token monitoring, online evals (deterministic plus LLM-as-judge).
  • Strength in structured-output reliability and observability under real latency constraints.
  • Plus: experience with voice or real-time agents (STT/TTS, turn detection) and vision-language tasks

BenefitsIn return, we offer:
  • Flexibility: 100% remote work.
  • Professionality: dev-friendly processes, like Continuous Integration and Code Review, work in line with Agile methodology.
  • Diversity: projects from various industries like fintech, healthcare, insurance, or education.
  • Growth: work with a team of experts and continuous development of your hard and soft skills.
  • Knowledge: knowledge sharing sessions, internal knowledge base.

Curious to learn more about working as a Netguru freelancer? All the information you need is here: Netguru Talent Marketplace.

In case of questions, drop us a line at [email protected]!

If you need any disability-related adaptation at any step of the recruitment process – simply let the recruiter know! We'd be happy to help.

Skills Required

  • English working proficiency
  • Experience designing production AI systems end-to-end (requirements through deployment)
  • Ability to independently propose architectures, evaluate tradeoffs, refine requirements with PMs, and drive implementation
  • Real orchestration-framework experience (LangGraph or LangChain)
  • Strong evaluation experience: building/maintaining production evaluation frameworks, golden datasets, offline/online monitoring, LLM-as-a-judge
  • Production observability for AI: tracing, prompt/output logging, eval pipelines, guardrails, latency metrics (Arize/Braintrust/LangSmith)
  • Experience with MCP, OpenAI, A2A, Amazon Bedrock, AgentCore
  • Domain experience: agentic workflows, MCP servers, Skills, retrieval/RAG, conversational agents
  • Deep experience building and running multi-agent systems in production (Role 1)
  • Comfortable designing orchestration and evaluation approaches (Role 1)
  • Solid knowledge of conversational LLM systems and instrumenting them in production (Role 2)
  • Strength in structured-output reliability and observability under latency constraints (Role 2)
  • Experience with voice or real-time agents (STT/TTS, turn detection) and vision-language tasks
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The Company
HQ: Poznań
501 Employees
Year Founded: 2008

What We Do

Netguru is a digital acceleration consultancy founded in 2008. Netguru builds digital products that let people do things differently – offering digital acceleration tools, resources and know-how to companies of all shapes and sizes – to make beautifully designed digital products in a way that’s fast and fits their needs. Netguru provides consulting services in product development, creating software solutions, and product design. Since our founding in 2008, our team has completed more than 1000 projects and has 500+ people on board working from all over the world. Currently, Netguru collaborates with the largest brands in the world, such as UBS, Merck, Volkswagen, IKEA, and Keller Williams, as well as fast-growing innovators in the financial (Solaris), education (Babbel) or robotics (Temi) industries. Netguru has been recognized as one of the fastest-growing companies in Europe. Our company was featured in the prestigious Deloitte’s Technology Fast 50 (four times) and in The FT 1000 list in 2017, 2018, 2019, and 2022. We're a certified B Corporation since 2020. Netguru was also recognized among the Best Workplaces, Poland in the 2021 edition of the Great Place To Work® listing. Connect with us to keep up to date with news from Netguru and follow the latest trends in our industry.

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