In this role, you will
- Define and drive the company's AI strategy, turning business opportunities into a structured roadmap of AI initiatives
- Identify, evaluate, and prioritize AI use cases across product development and internal business processes
- Lead the design and implementation of production-ready LLM solutions, including AI agents, multi-agent systems, and generative features
- Build and scale internal AI tools that improve engineering productivity and are actively adopted by other teams
- Evaluate the business case for AI initiatives before development, estimating expected impact, development costs, and inference expenses
- Establish measurement frameworks to assess the actual impact of AI solutions, define baselines, and distinguish real improvements from external factors
- Introduce engineering standards and best practices for AI development, including architecture, evaluation, security, and reliability
- Work closely with engineering and product teams to integrate AI into existing workflows, development processes, and products
It’s all about you
- 5+ years of software development experience (we’re open to considering candidates with less experience if they have strong relevant expertise)
- 2+ years of hands-on experience building and deploying LLM-based solutions in production, including AI agents, integrations, and generative features
- Experience developing internal tools and AI solutions actively used by other teams
- Ability to evaluate the economics of AI initiatives before development, including expected business impact, development costs, and inference costs
- Experience measuring the actual impact of implemented solutions, defining baselines, choosing measurement methods, and separating results from external factors
- Solid understanding of the software development lifecycle, including estimation, code reviews, and release management
- Understanding of product metrics such as conversion, retention, ARPU, and unit economics
- Upper-Intermediate (B2) English or higher
- 2+ years of experience in a Tech Lead or Staff Engineer role
- Experience implementing RAG solutions for codebases or technical documentation
AI skills & tools
- Experience designing and operating multi-agent systems in production, including orchestration, autonomy boundaries, failure handling, and human-in-the-loop workflows
- Hands-on experience building custom MCP servers, not just integrating existing ones
Advanced Claude Code expertise, including custom skills, commands, subagents, and hooks - Strong context engineering skills: understanding what belongs in the context window, what should be handled through RAG, and what should be exposed as a tool
- Experience with evaluation frameworks, including offline evaluation datasets, LLM-as-a-judge, and detecting model performance degradation after updates
- Understanding of inference economics and optimization techniques, including caching, batching, model selection, and cost per unit
- Knowledge of AI security policies and practices, including prompt injection protection, data and secret leakage prevention, and agent permission management
- Familiarity with DORA and SPACE engineering metrics
- Claude Certified Architect – Professional (CCAR-P) or Claude Certified Developer – Foundations (CCDV-F) certification
What we offer
- 20 paid vacation days, 15 sick days, and 6 additional days off for family events
- Up to 10 additional days off for public holidays
- 100% medical insurance coverage
- Sports and equipment reimbursement
- Team building events, corporate gifts, and stylish merch
- Financial and legal support
- Maternity recovery support allowance
- Position retention and support for those who join the Armed Forces of Ukraine
- Participation in social initiatives supporting Ukraine
- Work from our Kyiv hub or remotely with a flexible schedule
- Modern equipment or depreciation of your own tools
- Collaborate with a highly-skilled team of Middle & Senior professionals, sharing practical cases and expertise in the social networking niche
- 70% of our heads and leads have grown into their roles here – so can you!
- Performance-oriented reviews and Individual Development Plans (IDPs)
- Reimbursement for professional courses and English classes
- Corporate library, book club, and knowledge-sharing events
Hiring process
- Intro call
- Technical Interview
- Final Interview
- Reference check
- Offer
Skills Required
- 5+ years of software development experience, or equivalent strong relevant expertise
- 2+ years of hands-on experience building and deploying production LLM solutions
- Experience with AI agents, integrations, and generative features
- Experience developing internal tools and AI solutions adopted by other teams
- Ability to evaluate AI initiative economics, including business impact, development costs, and inference costs
- Experience measuring implemented solution impact, defining baselines, selecting measurement methods, and isolating external factors
- Solid understanding of software development lifecycle, estimation, code reviews, and release management
- Understanding of product metrics including conversion, retention, ARPU, and unit economics
- Upper-Intermediate English (B2) or higher
- 2+ years of experience as a Tech Lead or Staff Engineer
- Experience implementing RAG solutions for codebases or technical documentation
- Production experience designing and operating multi-agent systems
- Experience building custom MCP servers
- Advanced Claude Code expertise
- Strong context engineering skills
- Experience with offline evaluation datasets, LLM-as-a-judge, and model degradation detection
- Understanding of inference economics and optimization techniques such as caching, batching, model selection, and cost-per-unit optimization
- Knowledge of AI security practices including prompt injection protection, data and secret leakage prevention, and agent permission management
- Familiarity with DORA and SPACE engineering metrics
- Claude Certified Architect - Professional or Claude Certified Developer - Foundations certification
What We Do
United Tech is a Ukrainian product IT company that develops its own mobile and web products in the social networking niche. Our brands are growing rapidly and attracting leading positions in their categories, influencing modern approaches to development and ambitious goals of our teams. For almost 5 years, United Tech team has been creating applications that are used by millions of users around the world. Our products’ primary market is Tier-1 region, including but not limited to USA, UK, Canada and leading European countries. Niches that cover our expertise: - social networking; - big data & analytics; - performance marketing; - payment solutions; - mobile apps.









