DevBrother

About the Product & Team

Our client is an innovative, fast-growing tech startup developing a next-generation AI agent for autonomous browser and web workflow automation for businesses across the US.

• This is a highly complex, new area of software engineering, and we are looking for a Product Manager to own the product's trajectory.

You will join a lean, engineering-driven team where your work directly shapes the core AI product, solves real-world customer automation challenges, and drives adoption of agentic AI systems.

Role Overview

We are seeking a stellar, proactive Product Manager to drive the product roadmap, user adoption, and enterprise integrations for this autonomous AI agent platform. In this role, you will sit at the intersection of high-level product strategy, customer-facing discovery, and deeply technical execution.

You will collaborate closely with the founders, CTO, and engineering team to translate complex technical systems—LLM inference, runtime error recovery, and dynamic DOM automation—into seamless enterprise customer workflows. The bar for this role is high for both product sense and English communication.

Key Responsibilities

• Product Strategy & Roadmap: Define, prioritize, and execute feature delivery across core AI agent capabilities, workflow visualization, and enterprise connector ecosystems.
• Customer Discovery: Conduct deep-dive discovery sessions, interviews, and feedback loops with US enterprise clients to identify friction points and translate them into high-impact product features.
• Technical Translation: Partner directly with engineering to turn ambiguous business workflows into crystal-clear product specifications, accounting for complex edge cases.
• Onboarding & Adoption: Optimize client onboarding from initial setup to production rollout, ensuring a frictionless, self-serve experience for non-technical stakeholders.
• Product Metrics: Monitor agent execution telemetry, conversion rates, and integration stability to continuously reduce time-to-value for new client deployments.

Requirements

• Communication: Stellar C1–C2 / Fluent English with confident verbal presentation skills and comfort leading deep-dive discovery calls with US clients.
• Product Experience: Proven track record as a PM in B2B SaaS, developer tools, RPA, or workflow automation platforms.
• Technical Acumen: Understanding of technical concepts (APIs, DOM, web fundamentals, LLMs) to effectively communicate and negotiate with engineering teams.
• Autonomy & Ownership: Ability to operate independently and make tactical decisions in a fast-paced, engineering-driven environment.
• AI Tooling: Active daily use of AI-native tools for spec writing, data analysis, and product ideation.

Nice to Have

• Experience in the InsureTech domain
• Background in fast-paced venture-backed startup environments.
• Experience with browser automation frameworks (Playwright, Puppeteer) or data infrastructure.
• Familiarity with LLM function calling, structured outputs, or agentic workflows.

We Offer

• A fast-paced, highly professional, international team environment with a flat structure and rapid decision-making.
• Competitive compensation and bonus packages commensurate with your background and product portfolio.
• Flexible, remote-first workflow optimized for seamless global alignment.
• Medical Insurance in Ukraine and a Multisport program in Poland.
• Offices in Ukraine (Kyiv, Kharkiv) and Poland (Wroclaw) or Remote.
• Paid vacation, sick leave, and official holidays.
• Legal & Accounting services.
• The company provides all necessary equipment.
• English classes and Education reimbursement.

​About the Project

DevBrother is partnering with a European telecommunications provider to build a highly secure, fully on-premise AI ecosystem from the ground up. We are looking for a hands-on Senior AI Platform & Infrastructure Engineer to take ownership of the hardware, models, and server infrastructure. You will act as the technical lead for the AI deployment, working remotely to configure systems with occasional travel to Croatia for bare-metal hardware setup and localized performance tuning.

​Key Responsibilities

• ​Infrastructure & Hardware: Lead the setup and configuration of multi-GPU servers, including BIOS, firmware, and NVIDIA driver optimization during on-site visits or via secure remote access.
• ​Local LLM Deployment: Serve and orchestrate open-source models using vLLM, SGLang, or similar frameworks. Manage quantized models, implement OpenAI-compatible endpoints, and configure routing/fallbacks between models.
• ​Search & Speech Ecosystem: Deploy embeddings, rerankers, and hybrid search solutions. Set up Open WebUI (or similar) with robust citation capabilities, alongside local Speech-to-Text (STT) and Text-to-Speech (TTS) deployments.
• ​Security & System Administration: Administer Ubuntu LTS environments with strict security protocols. Manage encrypted storage, SSO with MFA, TLS, and audit logging in a fully air-gapped/blocked internet environment.
• ​Operations & Monitoring: Build and maintain operational pipelines, including monitoring, alerting, and automated backups with tested restoration procedures.
• ​Dashboards & Web: Configure web applications integrated with SSO roles, time-series aggregations, and email alerts.
• ​Documentation: Write and maintain comprehensive runbooks, architecture diagrams, and security protocols.

​

Requirements

• ​5+ years of senior-level experience in ML infrastructure, bare-metal server deployment, or systems engineering.
• ​Upper-Intermediate (B2) or Advanced English for direct communication with stakeholders and technical documentation.
• ​Deep expertise in serving local LLMs (vLLM, SGLang) and building RAG pipelines.
• ​Strong background in Linux (Ubuntu LTS) administration, network security, and air-gapped environment configurations.
• ​Leadership capabilities with the ability to drive architectural decisions and coordinate integration with the data engineering team.
• ​Strong Plus: Domain experience in Telecom/VoIP to better understand the business context and use cases of the deployed ecosystem.
• ​Willingness to occasionally travel to Croatia for on-site hardware setup and infrastructure deployments.

We OFFER:

• ​A fast-paced, highly professional, international team environment with a flat structure and rapid decision-making.
• ​Competitive compensation packages commensurate with your background and product portfolio.
• ​Flexible, remote-first workflow optimized for seamless global alignment.
• Medical Insurance in Ukraine and a Multisport program in Poland.
• Offices in Ukraine (Kyiv, Kharkiv) and Poland (Wroclaw) or Remote.
• Paid vacation, sick leave, and official holidays.
• Legal & Accounting services.
• The company provides all necessary equipment.
• English classes and Education reimbursement.

​About the Project

DevBrother is seeking a Data & Integration Engineer for a European telecommunications provider. Working in parallel with the AI Infrastructure Lead, your core mission will be to wrangle, structure, and reconcile complex business and telecom data. You will build the remote pipelines that ultimately feed into the newly established on-premise LLM ecosystem, with periodic travel to Croatia for stakeholder alignment.

​Key Responsibilities

• ​ETL & Data Pipelines: Design and maintain pipelines to import files from numerous external sources, handling varied and inconsistent spreadsheet or CSV layouts.
• ​Data Extraction & Structuring: Parse messy, semi-structured data (LLM-assisted extraction experience is a strong advantage).
• ​Reconciliation: Match and validate disparate datasets, configuring tolerance levels, exception handling, and automated difference reports.
• ​Telecom & Billing Processing: Work heavily with pricing lists, tariffs, invoicing, and complex billing systems.
• ​System Integration: Write processed data into legacy or in-house systems via staging tables, APIs, or import files.
• ​Database Architecture: Manage and optimize large-scale tables in SQL (preferably MariaDB/MySQL).
• ​Business Logic & Testing: Implement configurable business rules, approval workflows, and anomaly flags. Write automated tests for various input formats and matching logic regression.
• ​Stakeholder Collaboration: Conduct workshops with business users to translate requirements into technical specifications and support user testing phases.

​Requirements

• ​4+ years of hands-on experience in Data Engineering, ETL pipelines, and SQL (MariaDB/MySQL).
• ​Upper-Intermediate (B2) or Advanced English to conduct workshops and gather requirements directly from business users.
• ​Strong Plus: Domain experience in Telecom/VoIP, including familiarity with rate sheets, CDRs, dial codes, and ASR/ACD metrics.
• ​Proven ability to untangle messy data and build robust reconciliation processes.
• ​Ability to work independently in a parallel track, ensuring data pipelines are production-ready for final AI model integration.
• ​Willingness to occasionally travel to Croatia for team collaboration and business alignment sessions.

We OFFER:

• ​A fast-paced, highly professional, international team environment with a flat structure and rapid decision-making.
• ​Competitive compensation packages commensurate with your background and product portfolio.
• ​Flexible, remote-first workflow optimized for seamless global alignment.
• Medical Insurance in Ukraine and a Multisport program in Poland.
• Offices in Ukraine (Kyiv, Kharkiv) and Poland (Wroclaw) or Remote.
• Paid vacation, sick leave, and official holidays.
• Legal & Accounting services.
• The company provides all necessary equipment.
• English classes and Education reimbursement.

About the Product & Team

Our client is an innovative, fast-growing tech startup developing a next-generation AI agent for autonomous browser and web workflow automation. The platform leverages modern LLMs to dynamically inspect web interfaces, generate resilient Playwright automation scripts, and execute complex, repetitive browser tasks for businesses across the US.

• This is a new area within the scope of software engineering, but we believe the current positions will be suitable for Automation QA professionals. 

You will be joining a lean, engineering-driven team where your work directly shapes the core AI product, solves real-world customer automation challenges, and drives the adoption of agentic AI systems.

Role Overview

We are seeking a proactive Forward Deployed Engineer to help international clients integrate, optimize, and scale this AI-driven browser automation agent. In this role, you will sit at the intersection of customer-facing technical integrations, prompt engineering, and script troubleshooting.

You will collaborate closely with the CTO to onboard new users, monitor agent execution, refine daily system prompts, and fine-tune generated automation scripts to ensure maximum reliability for end-user workflows.

Key Responsibilities

• Client Onboarding & Integrations: Guide clients through workflow setups, analyze their business processes, and troubleshoot integration bottlenecks (transitioning from async ticket analysis to leading live customer calls).
• AI Agent Optimization & Prompting: Daily monitoring of agent performance, identifying edge cases, and engineering/adjusting prompts to improve output accuracy.
• Script & Locator Troubleshooting: Review, debug, and manually adjust agent-generated Playwright automation scripts when complex dynamic web elements or DOM changes occur.
• Codebase Maintenance: Contribute to maintaining JavaScript-based core modules and supporting integration tools (~20–30% of total workload).
• Feedback Loop: Act as the technical bridge between customer workflows and product development to drive platform improvements.

Requirements

• Communication: C1 / Fluent English with confident verbal presentation skills and comfort leading live video calls with US/EU clients.
• AI & LLM Proficiency: Strong hands-on experience with LLMs, practical prompt engineering, and AI tools for debugging and automating workflows.
• Web Fundamentals: Solid understanding of the DOM tree, dynamic web elements, XPath, and CSS selectors.
• Technical Skills: Practical ability to read, understand, and debug JavaScript / TypeScript code.
• Time Flexibility: Ability to comfortably handle team and client calls during late afternoon/evening hours (up to 20:00–21:00 Kyiv time).

Nice to Have

• Hands-on experience with browser automation frameworks (Playwright).
• Background in QA Automation, Solutions Engineering, Technical Support (Tier 3), or Technical Customer Success.
• Familiarity with LLM function calling, structured outputs, or agentic workflows.

We OFFER:

• ​A fast-paced, highly professional, international team environment with a flat structure and rapid decision-making.
• ​Competitive compensation packages commensurate with your background and product portfolio.
• ​Flexible, remote-first workflow optimized for seamless global alignment.
• Medical Insurance in Ukraine and a Multisport program in Poland.
• Offices in Ukraine (Kyiv, Kharkiv) and Poland (Wroclaw) or Remote.
• Paid vacation, sick leave, and official holidays.
• Legal & Accounting services.
• The company provides all necessary equipment.
• English classes and Education reimbursement.

We are building a revolutionary AI-based image and video processing platform and are looking for a Solutions Engineer to help expand our customer base through your technical expertise. We are open to candidates who can contribute significantly to developing our solutions and improving the customer experience.

​

Role Overview
​The responsibilities of a Solutions Engineer include sharing expertise on the product and its integration—specifically focusing on front-end understanding and a strong overall grasp of web technologies. You will use your analytical and interpersonal skills to guide our clients and maximize the value they gain from using our technology.
 

​The ideal candidate should have excellent communication and interpersonal skills, as well as the ability to meet KPIs and deadlines, demonstrating strong analytical abilities.

​Key Responsibilities

• Be the Product Expert: Act as the product expert and trusted advisor that clients can turn to for guidance on maximizing value from our technology.
• Expand Technical Expertise: Gain experience in front-end and back-end development, web optimization, performance best practices, AI/ML, cloud computing, media compression, and CDN.
• Support & Troubleshoot: Support customers’ technical queries, solve integration issues, and demonstrate the possibilities of the technology.
• Optimize E-commerce Performance: Help clients identify and troubleshoot storefront performance issues related to product images, videos, frontend rendering, CDN, and media delivery.
• Onboard Customers: Manage the technical onboarding of new customers and translate their desired outcomes into an implementation plan that will provide value.
• Define Requirements: Define new technical requirements for integration and prioritize project timelines.
• Cross-functional Collaboration: Ensure all customer requests and issues are handled promptly, working in collaboration with relevant teams including Customer Success, R&D, Sales, and Marketing.
• Quality Assurance: Utilize QA practices to ensure high-quality integrations

Requirements

• Language Proficiency: Strictly C1-C2 English level required.

  Candidates at an Upper-Intermediate (B1-B2) level will not be considered. Exceptional written and verbal presentation skills are a must.

• Working Hours: High flexibility and ability to operate within the US time zone.
   

​Technical Skills:

• 5+ years of experience as a Solutions Engineer or Front-End professional within a global, fast-paced environment.
• Experience with Full-Stack technologies (e.g., Node.js, React, Angular).
• Hands-on experience with web and cloud technologies.
• Experience with basic debugging tools (e.g., Chrome DevTools).
• E-commerce & Web Performance: Hands-on experience with e-commerce websites or storefronts and practical knowledge of Web Performance Optimization (WPO), including Core Web Vitals (LCP, INP, CLS), Lighthouse, Chrome DevTools, and performance troubleshooting. Candidates should be able to interpret performance metrics, identify bottlenecks, and explain how optimization efforts affect real-world user experience.
• Image Optimization & Media Delivery: Practical experience with image optimization, responsive images, image formats and compression, CDN, and caching strategies in production.
• Performance Monitoring: Familiarity with Real User Monitoring (RUM), Core Web Vitals monitoring, and tools for tracking website performance in production.
• Problem Solving: Ability to effectively assess and quickly resolve technical issues while working with both technical and non-technical teams. High-level technical, project, and problem-solving skills.

• Mindset: Strong critical thinking and analytical skills with an entrepreneurial, proactive, and result-oriented mindset. Highly motivated, a fast learner, and open-minded.

   

Nice to Have​

• BS, BA, BEng degree or equivalent in Computer Science or a related field.
• ​Relevant certifications, courses, or experience in adjacent technologies.

We OFFER:

• ​A fast-paced, highly professional, international team environment with a flat structure and rapid decision-making.
• ​Competitive compensation packages commensurate with your background and product portfolio.
• ​Flexible, remote-first workflow optimized for seamless global alignment.
• Medical Insurance in Ukraine and a Multisport program in Poland.
• Offices in Ukraine (Kyiv, Kharkiv) and Poland (Wroclaw) or Remote.
• Paid vacation, sick leave, and official holidays.
• Legal & Accounting services.
• The company provides all necessary equipment.
• English classes and Education reimbursement.