AI Engineer

<p> </p><p><strong>About the company: </strong>United Tech is a global IT product company shaping the future of real-time social connection. With millions of users across North America, Europe, LATAM, and MENA, we build next-gen mobile and web apps for live-streaming and social networking. Our platforms enable connection at scale fast, interactive, and deeply engaging. The market is projected to exceed $206B by 2030, and we are already leading the evolution. Founded in Ukraine, scaling worldwide</p> <p><br><strong>About your role:</strong> We’re looking for an <strong>AI Engineer</strong> who wants to build production-grade AI systems, not just experiment with demos. This is a high-ownership, greenfield role where you’ll help build our AI platform from scratch, working directly with the Head of AI.  You’ll own initiatives end-to-end — from discovery and architecture decisions to production delivery — and play a key role in shaping how AI is used across the company.<br>You’ll work with a modern AI stack including Claude/OpenAI/Bedrock, RAG pipelines, eval frameworks (Promptfoo, Ragas, LangSmith), and agentic patterns. This role is ideal for someone who enjoys autonomy, strong engineering ownership, and proactively identifying the next highest-leverage opportunity to drive into production.</p> <p></p> <p></p><p><br></p><b>In this role, you will</b><ul style="margin-top: 0px; margin-bottom: 0px; padding-inline-start: 48px;"> <li style="font-size: 11pt; font-family: Arial, sans-serif;"> <p style="line-height: 1.2; margin-top: 12pt; margin-bottom: 0pt;"><span style="font-size: 10pt; font-family: Manrope, sans-serif;">Design and build RAG and automation workflows inside our VPC environment.</span></p> </li> <li style="font-size: 11pt; font-family: Arial, sans-serif;"> <p style="line-height: 1.2; margin-top: 0pt; margin-bottom: 0pt;"><span style="font-size: 10pt; font-family: Manrope, sans-serif;">Create integrations across engineering, communication, and knowledge-management systems (Jira, Confluence, Slack, Google Drive, Git).</span></p> </li> <li style="font-size: 11pt; font-family: Arial, sans-serif;"> <p style="line-height: 1.2; margin-top: 0pt; margin-bottom: 0pt;"><span style="font-size: 10pt; font-family: Manrope, sans-serif;">Develop AI-powered pipelines for code quality checks, ticket auto-classification, documentation updates, release notes, and meeting summaries.</span></p> </li> <li style="font-size: 11pt; font-family: Arial, sans-serif;"> <p style="line-height: 1.2; margin-top: 0pt; margin-bottom: 0pt;"><span style="font-size: 10pt; font-family: Manrope, sans-serif;">Work on prompt engineering, model selection and routing (Haiku / Sonnet / Opus), and workflow optimization.</span></p> </li> <li style="font-size: 11pt; font-family: Arial, sans-serif;"> <p style="line-height: 1.2; margin-top: 0pt; margin-bottom: 0pt;"><span style="font-size: 10pt; font-family: Manrope, sans-serif;">Build evaluation and regression frameworks for AI workflows to prevent model-upgrade regressions.</span></p> </li> <li style="font-size: 11pt; font-family: Arial, sans-serif;"> <p style="line-height: 1.2; margin-top: 0pt; margin-bottom: 0pt;"><span style="font-size: 10pt; font-family: Manrope, sans-serif;">Create lightweight dashboards for engineering leads to surface delivery patterns and bottlenecks.</span></p> </li> <li style="font-size: 11pt; font-family: Arial, sans-serif;"> <p style="line-height: 1.2; margin-top: 0pt; margin-bottom: 12pt;"><span style="font-size: 10pt; font-family: Manrope, sans-serif;">Own initiatives end-to-end: scope → design → ship → measure → iterate.</span></p> </li> </ul><p><br></p><b>It’s all about you</b><div> <ul style="margin-top: 0px; margin-bottom: 0px; padding-inline-start: 48px;"> <li style="font-size: 10pt; font-family: Manrope, sans-serif;"> <p style="line-height: 1.2; margin-top: 12pt; margin-bottom: 0pt;"><span style="font-size: 10pt;">5+ years of production experience with Python (services, async, API integrations, clean and testable code).</span></p> </li> <li style="font-size: 10pt; font-family: Manrope, sans-serif;"> <p style="line-height: 1.2; margin-top: 0pt; margin-bottom: 0pt;"><span style="font-size: 10pt;">Hands-on experience with LLM APIs in production: Anthropic Claude (Opus/Sonnet/Haiku), OpenAI, AWS Bedrock.</span></p> </li> <li style="font-size: 10pt; font-family: Manrope, sans-serif;"> <p style="line-height: 1.2; margin-top: 0pt; margin-bottom: 0pt;"><span style="font-size: 10pt;">Strong understanding of RAG systems: chunking, embeddings, hybrid search, re-ranking, grounding/citations.</span></p> </li> <li style="font-size: 10pt; font-family: Manrope, sans-serif;"> <p style="line-height: 1.2; margin-top: 0pt; margin-bottom: 0pt;"><span style="font-size: 10pt;">Prompt engineering + structured outputs + tool/function calling.</span></p> </li> <li style="font-size: 10pt; font-family: Manrope, sans-serif;"> <p style="line-height: 1.2; margin-top: 0pt; margin-bottom: 0pt;"><span style="font-size: 10pt;">Experience with eval/regression frameworks: Promptfoo, Ragas, LangSmith, or custom evaluation harnesses.</span></p> </li> <li style="font-size: 10pt; font-family: Manrope, sans-serif;"> <p style="line-height: 1.2; margin-top: 0pt; margin-bottom: 0pt;"><span style="font-size: 10pt;">Agentic patterns: ReAct, function-calling loops, fallbacks.</span></p> </li> <li style="font-size: 10pt; font-family: Manrope, sans-serif;"> <p style="line-height: 1.2; margin-top: 0pt; margin-bottom: 0pt;"><span style="font-size: 10pt;">Vector databases: pgvector, Pinecone.</span></p> </li> <li style="font-size: 10pt; font-family: Manrope, sans-serif;"> <p style="line-height: 1.2; margin-top: 0pt; margin-bottom: 0pt;"><span style="font-size: 10pt;">Workflow orchestration: n8n, Airflow, or custom orchestration systems.</span></p> </li> <li style="font-size: 10pt; font-family: Manrope, sans-serif;"> <p style="line-height: 1.2; margin-top: 0pt; margin-bottom: 0pt;"><span style="font-size: 10pt;">Observability: token-spend tracing, latency monitoring, model routing.</span></p> </li> <li style="font-size: 10pt; font-family: Manrope, sans-serif;"> <p style="line-height: 1.2; margin-top: 0pt; margin-bottom: 0pt;"><span style="font-size: 10pt;">Solid AWS fundamentals: IAM, Lambda, S3, CloudTrail — comfortable deploying inside VPC environments independently.</span></p> </li> <li style="font-size: 10pt; font-family: Manrope, sans-serif;"> <p style="line-height: 1.2; margin-top: 0pt; margin-bottom: 0pt;"><span style="font-size: 10pt;">CI/CD + pipeline hooks (GitLab/GitHub), webhooks, event-driven architectures.</span></p> </li> <li style="font-size: 10pt; font-family: Manrope, sans-serif;"> <p style="line-height: 1.2; margin-top: 0pt; margin-bottom: 0pt;"><span style="font-size: 10pt;">Basic SQL skills for analytical queries and metrics dashboards.</span></p> </li> <li style="font-size: 10pt; font-family: Manrope, sans-serif;"> <p style="line-height: 1.2; margin-top: 0pt; margin-bottom: 0pt;"><span style="font-size: 10pt;">Driver mindset: proactively identifies the highest-leverage opportunity and drives it to production</span></p> </li> <li style="font-size: 10pt; font-family: Manrope, sans-serif;"> <p style="line-height: 1.2; margin-top: 0pt; margin-bottom: 12pt;"><span style="font-size: 10.5pt; font-family: Arial, sans-serif; color: #111212;">B2 English level</span></p> </li> </ul> <p style="line-height: 1.2; margin-top: 12pt; margin-bottom: 12pt; padding-left: 48px;"><span style="font-size: 10pt; font-family: Manrope, sans-serif;"><br></span><strong><span style="font-size: 10pt; font-family: Manrope, sans-serif;">Would be a plus</span></strong></p> <ul style="margin-top: 0px; margin-bottom: 0px; padding-inline-start: 48px;"> <li style="font-size: 11pt; font-family: Arial, sans-serif; color: #1d1c1d;"> <p style="line-height: 1.2; margin-top: 5pt; margin-bottom: 0pt;"><span style="font-size: 10pt; font-family: Manrope, sans-serif;">Real REST integrations with 2–3+ APIs</span></p> </li> <li style="font-size: 11pt; font-family: Arial, sans-serif; color: #1d1c1d;"> <p style="line-height: 1.2; margin-top: 0pt; margin-bottom: 0pt;"><span style="font-size: 10pt; font-family: Manrope, sans-serif;">Experience with workflow orchestration tools.</span></p> </li> <li style="font-size: 11pt; font-family: Arial, sans-serif; color: #1d1c1d;"> <p style="line-height: 1.2; margin-top: 0pt; margin-bottom: 0pt;"><span style="font-size: 10pt; font-family: Manrope, sans-serif;">Prompt evaluation tooling such as  LangSmith is nice to have</span></p> </li> <li style="font-size: 11pt; font-family: Arial, sans-serif; color: #1d1c1d;"> <p style="line-height: 1.2; margin-top: 0pt; margin-bottom: 0pt;"><span style="font-size: 10pt; font-family: Manrope, sans-serif;">Experience with Docker</span></p> </li> <li style="font-size: 11pt; font-family: Arial, sans-serif; color: #1d1c1d;"> <p style="line-height: 1.2; margin-top: 0pt; margin-bottom: 5pt;"><span style="font-size: 10pt; font-family: Manrope, sans-serif;">RAG experience: embeddings and vector stores (pgvector, Pinecone, or similar) for knowledge base use cases</span></p> </li> </ul> </div><p><br></p><b>What we offer</b><div> <ul> <li>20 paid vacation days, 15 sick days, and 6 additional days off for family events</li> <li>Up to 10 additional days off for public holidays</li> <li>100% medical insurance coverage</li> <li>Sports and equipment reimbursement</li> <li>Team building events, corporate gifts, and stylish merch</li> <li>Financial and legal support</li> <li>Maternity recovery support allowance</li> <li>Position retention and support for those who join the Armed Forces of Ukraine</li> <li>Participation in social initiatives supporting Ukraine<br><br><strong>Comfortable working environment:</strong></li> <li>Work from our Kyiv hub or remotely with a flexible schedule</li> <li>Modern equipment or depreciation of your own tools<br><br><strong>Investment in your future:</strong></li> <li>Collaborate with a highly-skilled team of Middle & Senior professionals, sharing practical cases and expertise in the social networking niche</li> <li>70% of our heads and leads have grown into their roles here – so can you!</li> <li>Performance-oriented reviews and Individual Development Plans (IDPs)</li> <li>Reimbursement for professional courses and English classes</li> <li>Corporate library, book club, and knowledge-sharing events</li> </ul> <p> </p> </div><p><br></p><b>Hiring process</b><div> <ul style="margin-top: 0px; margin-bottom: 0px; padding-inline-start: 48px;"> <li style="font-size: 10pt; font-family: Manrope, sans-serif;"> <p style="background-color: #ffffff; margin-top: -8pt; margin-bottom: 0pt;"><span style="font-size: 10pt;">Intro call</span></p> </li> <li style="font-size: 10pt; font-family: Manrope, sans-serif;"> <p style="background-color: #ffffff; margin-top: 0pt; margin-bottom: 0pt;"><span style="font-size: 10pt;">Technical Interview</span></p> </li> <li style="font-size: 10pt; font-family: Manrope, sans-serif;"> <p style="background-color: #ffffff; margin-top: 0pt; margin-bottom: 0pt;"><span style="font-size: 10pt;">Final Interview</span></p> </li> <li style="font-size: 10pt; font-family: Manrope, sans-serif;"> <p style="background-color: #ffffff; margin-top: 0pt; margin-bottom: 0pt;"><span style="font-size: 10pt;">Reference check</span></p> </li> <li style="font-size: 10pt; font-family: Manrope, sans-serif;"> <p style="background-color: #ffffff; margin-top: 0pt; margin-bottom: 5pt;"><span style="font-size: 10pt;">Offer</span></p> </li> </ul> </div><p><br></p><p></p>

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Common Interview Questions And Answers

1. HOW DO YOU PLAN YOUR DAY?

This is what this question poses: When do you focus and start working seriously? What are the hours you work optimally? Are you a night owl? A morning bird? Remote teams can be made up of people working on different shifts and around the world, so you won't necessarily be stuck in the 9-5 schedule if it's not for you...

2. HOW DO YOU USE THE DIFFERENT COMMUNICATION TOOLS IN DIFFERENT SITUATIONS?

When you're working on a remote team, there's no way to chat in the hallway between meetings or catch up on the latest project during an office carpool. Therefore, virtual communication will be absolutely essential to get your work done...

3. WHAT IS "WORKING REMOTE" REALLY FOR YOU?

Many people want to work remotely because of the flexibility it allows. You can work anywhere and at any time of the day...

4. WHAT DO YOU NEED IN YOUR PHYSICAL WORKSPACE TO SUCCEED IN YOUR WORK?

With this question, companies are looking to see what equipment they may need to provide you with and to verify how aware you are of what remote working could mean for you physically and logistically...

5. HOW DO YOU PROCESS INFORMATION?

Several years ago, I was working in a team to plan a big event. My supervisor made us all work as a team before the big day. One of our activities has been to find out how each of us processes information...

6. HOW DO YOU MANAGE THE CALENDAR AND THE PROGRAM? WHICH APPLICATIONS / SYSTEM DO YOU USE?

Or you may receive even more specific questions, such as: What's on your calendar? Do you plan blocks of time to do certain types of work? Do you have an open calendar that everyone can see?...

7. HOW DO YOU ORGANIZE FILES, LINKS, AND TABS ON YOUR COMPUTER?

Just like your schedule, how you track files and other information is very important. After all, everything is digital!...

8. HOW TO PRIORITIZE WORK?

The day I watched Marie Forleo's film separating the important from the urgent, my life changed. Not all remote jobs start fast, but most of them are...

9. HOW DO YOU PREPARE FOR A MEETING AND PREPARE A MEETING? WHAT DO YOU SEE HAPPENING DURING THE MEETING?

Just as communication is essential when working remotely, so is organization. Because you won't have those opportunities in the elevator or a casual conversation in the lunchroom, you should take advantage of the little time you have in a video or phone conference...

10. HOW DO YOU USE TECHNOLOGY ON A DAILY BASIS, IN YOUR WORK AND FOR YOUR PLEASURE?

This is a great question because it shows your comfort level with technology, which is very important for a remote worker because you will be working with technology over time...