Jobs at Djinni

9555
  • · 147 views · 29 applications · 9d

    SEO Specialist

    Full Remote · Countries of Europe or Ukraine · Product · 4 years of experience · B1 - Intermediate
    Location: Remote (EU or Ukraine preferred) We’re building high-performing niche sites in iGaming verticals and are looking for an SEO with a business mindset. This is not a junior role or a checklist SEO job. We’re seeking someone who’s already...

    Location: Remote (EU or Ukraine preferred)

     

    We’re building high-performing niche sites in iGaming verticals and are looking for an SEO with a business mindset.

     

    This is not a junior role or a checklist SEO job. We’re seeking someone who’s already launched and ranked projects, understands how to find gaps and opportunities in SERPs, and knows how to scale them.

     

    Key Requirements:

    • 3+ years in SEO for Tier 1 markets
    • Proven success ranking branded, competitive keywords
    • Experience launching sites in iGaming or similar niches
    • Understanding of both white-hat and more "aggressive" techniques (when appropriate)
    • Experience with link buying, PBNs, and quality domain analysis (DR/traffic/relevance)
    • Ability to identify promising brands/keywords and make decisions
    • Strong analytical skills and hands-on testing mindset
    • Comfortable managing external writers, linkbuilders, and tech resources
    • English B1+ (you can write, research, and communicate clearly)

       

    Bonus if you:

    • Think in terms of profit per site, not just traffic
    • Know how to rewrite or rebuild a site to hit top 3
    • Have experience automating or delegating SEO workflows

       

    What You’ll Do:

    • Launch and scale niche sites targeting both branded and generic queries
    • Create and execute content/link strategies
    • Test ideas, analyze data, and iterate for growth
    • Work closely with a lean, results-driven team
    • Be measured by results, not hours
    •  

    This is a role for someone who wants skin in the game.
    If you're tired of slow agency processes and want to build something profitable, reach out.

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  • · 40 views · 0 applications · 16d

    Hardware Engineer

    Full Remote · Ukraine · 3 years of experience · B2 - Upper Intermediate
    We are looking for a Hardware Engineer for a project in the industrial domains. We are open to considering candidates for a part-time cooperation (approximately 4 hours per day) or on a freelance basis. Key Responsibilities: Conduct analytical research...

    We are looking for a Hardware Engineer for a project in the industrial domains. We are open to considering candidates for a part-time cooperation (approximately 4 hours per day) or on a freelance basis.

     

    Key Responsibilities:

    • Conduct analytical research to identify the best technical solutions.
    • Engage in discussions with the client
    • Design PCBs using Altium Designer 
    • Work on routing high-current lines (up to 85A) and digital signal lines 
    • Develop over 10 types of individual PCBs that will be integrated into a unified technical equipment complex.

     

    Communication:

    • Internal team communication is in Ukrainian.
    • Client communication is in English (at least Intermediate low) 
    • Additionally, we foresee opportunities to involve the engineer in other tasks within the embedded domain that may align with their interests.

     

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  • · 150 views · 27 applications · 30d

    Graphic Designer

    Full Remote · Worldwide · 1 year of experience · B2 - Upper Intermediate
    Location: Remote Job Type: Full-time (8 hours a day, 5 days a week) About Us At Catch Creation, we're passionate about pets and the people who love them. As a fast-growing eCommerce brand in the pet products industry, we’re on a mission to deliver...

    Location: Remote
    Job Type: Full-time (8 hours a day, 5 days a week)

     

     

    About Us

    At Catch Creation, we're passionate about pets and the people who love them. As a fast-growing eCommerce brand in the pet products industry, we’re on a mission to deliver joyful, convenient, and beautifully designed shopping experiences for pet parents everywhere.

     

     

    The Role

    We're looking for a Graphic Designer who combines strong visual design skills with a good eye for user experience. You'll create engaging, on-brand graphics that support product launches, digital campaigns, and improve how customers interact with our online store.

     

     

    What You’ll Do

    • Design digital assets for our website, email campaigns, paid ads, and social media
    • Create and maintain product imagery, banners, and promotional visuals
    • Use Figma to assist in designing and refining user interfaces (web & mobile)
    • Collaborate with marketing and product teams to align visuals with campaign goals
    • Ensure consistent brand visuals across all platforms
    • Apply light UI/UX thinking to improve layout, usability, and visual hierarchy
       

       

    What You Bring

    • 2+ years of graphic design experience (preferably in eCommerce or retail)
    • Proficiency in Adobe Photoshop and Illustrator
    • Working knowledge of Figma and basic UI/UX principles
    • Strong eye for composition, color, and typography
    • Experience designing for digital channels (web, email, ads, social media)

     

    Share your portfolio showcasing digital design work — bonus if it includes eCommerce or pet-related brands
     

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  • · 235 views · 25 applications · 4d

    DevOps Team Lead

    Full Remote · Ukraine · 5 years of experience · B2 - Upper Intermediate
    Automat-it is where high-growth startups turn when they need to move faster, scale smarter, and make the most of the cloud. As an AWS Premier Partner, we deliver hands-on DevOps and FinOps and GenAI support that drives real results. We work across EMEA,...

    Automat-it is where high-growth startups turn when they need to move faster, scale smarter, and make the most of the cloud. As an AWS Premier Partner, we deliver hands-on DevOps and FinOps and GenAI support that drives real results.

    We work across EMEA, fueling innovation and solving complex challenges daily. Join us to grow your skills, shape bold ideas, and help build the future of tech.

     

    In this DevOps Team Lead position, you will be a key member of the expansion of our DevOps teams. You will mentor and coach them to deliver the best infrastructure solutions for our customers.

    If you are interested in this opportunity, please submit your CV in English.

     

    Responsibilities

    • Lead and manage a team of 6-8 DevOps Engineers.
    • Lead and be responsible for on-time, great-quality project deliveries.
    • Define or participate in creating Architecture and Designs for the infrastructure and CI/CD solutions for the projects.
    • Facilitate team’s communication with the customers.
    • Conduct code reviews and coaching and make sure technical best practices are applied.
    • Manage and track SOW for projects together with customers, PMO and higher management.
    • Hands-on implementation and/or closely monitored guidance of the key complex elements in developing build automation flows, continuous release and deployment automation flows, automated resources, and infrastructure provisioning.
    • Provide and manage estimations for pre-sale and sale stages for new projects.
    • Drive the learning process within the team for the latest technology trends in the DevOps field.

     

    Requirements

    • Proven experience in successfully leading IT projects from the start to delivery
    • Team Lead (or similar) experience leading DevOps and/or SysAdmin teams
    • 5+ years of hands-on experience with AWS infrastructures. AWS certification is a plus
    • 5+ years of hands-on experience with Docker containers, Kubernetes, and Infrastructure as code (Terraform, CloudFormation, etc.)
    • Familiarity with Configuration Management (Ansible, Puppet, Chef, etc.)
    • Experience with CI/CD tools such as Jenkins, GitHub actions, etc.
    • Linux OS knowledge
    • Network knowledge
    • Fluent written and verbal communication skills in English
    • Good task management skills
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  • · 267 views · 101 applications · 3d

    Senior Full-Stack Developer (React Native + Node.js)

    Full Remote · Countries of Europe or Ukraine · 5 years of experience · B2 - Upper Intermediate
    About Kilona.io At Kilona.io, we build high-quality, high-speed AI-powered web and mobile applications. We partner with global startups to deliver products that are fast, scalable, and beautifully engineered. Role Overview We’re looking for a Senior...

    🚀 About Kilona.io

    At Kilona.io, we build high-quality, high-speed AI-powered web and mobile applications. We partner with global startups to deliver products that are fast, scalable, and beautifully engineered.

    💼 Role Overview

    We’re looking for a Senior React Native/Node.js Developer to take a leading role in the development of a Mobile Networking App, while also contributing to two smaller parallel projects. This is a highly independent role where you’ll be expected to dive deep into complex tasks, make architectural decisions, and communicate directly with the client.
     

    We’re open to starting with part-time collaboration and scaling to full-time, depending on your preference.
     

    👥 Team & Projects

    • Main project: Mobile Networking App (active development)
    • Additional work: 2–3 smaller projects
    • Team: Designer, Project Manager, Senior Full-Stack Developer (you), and occasionally a Middle Full-Stack Developer
       

    ✅ Requirements

    • 5+ years in full-stack development (React Native + Node.js)
    • Strong expertise in JavaScript (ES6+), React, React Native, Node.js
    • Proven experience with app lifecycle & deployment (App Store / Google Play)
    • Strong architectural thinking and ability to design scalable solutions
    • Experience integrating databases (PostgreSQL, MongoDB, Firebase, Supabase, AWS DynamoDB, etc.)
    • Strong experience with GCP / AWS
    • Solid practical understanding of CI/CD pipelines and Git workflows
    • AI integration experience in mobile/web apps
    • Ability to take ownership, work independently, and deliver results
    • English: B2+ level (direct client communication)
       

    ✨ Nice to Have

    • Experience with AI-powered dev tools (ChatGPT, Cursor, Lovable, V0)
       

    🧑‍💻 Working Conditions

    • Hourly-based payment model (all overtime paid)
    • Fully remote — work from anywhere
    • Flexible schedule — overlap when needed, you manage your own time
    • Easy time-off policy — no bureaucracy
    • No screen trackers or micromanagement — focus on outcomes
    • Work on cutting-edge AI products
    • Opportunity to collaborate part-time or full-time
       

    🔍 Hiring Process
    1️⃣ Quick screening call (30 mins) OR Video presentation
    2️⃣ Technical interview (1 hr)
    3️⃣ Interview with management (optional)
    ➡️ Offer 🎉


    Let’s connect! 🌍 We’re looking for sharp minds ready to build fast and clean.

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  • · 77 views · 9 applications · 5d

    Lead Generation manager for Software Agency

    Full Remote · Ukraine · 1 year of experience · B1 - Intermediate
    We are a software development agency We're looking for a Lead Generation Specialist to help fill our pipeline with qualified leads using LinkedIn, Upwork, Reddit, and similar channels. What You’ll Do Research and identify ideal prospects (business...

    We are a software development agency

     

    We're looking for a Lead Generation Specialist to help fill our pipeline with qualified leads using LinkedIn, Upwork, Reddit, and similar channels.

     

    🎯 What You’ll Do

    • Research and identify ideal prospects (business owners, startup founders, CEOs, executives)
    • Manage LinkedIn outreach campaigns (Linkedin Helper 2, PhantomBuster)
    • (optionally) Handle Upwork messaging, follow-ups, and potentially bidding in the future
    • Reply to Reddit inbound messages and book calls where relevant
    • Ensure quick responses to incoming messages (~3 minutes average during active hours)
    • Lead early qualification via chat
    • CRM: Track, follow up, and qualify leads from first message to booked call
    • Collaborate on positioning and lead magnet strategy
    • Continuously test and improve messaging, targeting, and workflows

     

    🧠 What You Bring

    • Experience with LinkedInHelper2, PhantomBuster or willingness to learn it/similar tools quickly
    • English B1 and higher (you can write/communicate clearly and professionally)
    • Strong organizational skills and ability to reply fast & stay proactive
    • Familiarity with B2B lead gen in tech, SaaS, or agency spaces is a plus
    • Experience with LinkedIn, Reddit, Upwork, or similar lead generation platforms

     

    Please attach your CV and share your usual results (reply rates, booked calls, etc.).

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  • · 17 views · 3 applications · 11d

    Blockchain Team Lead

    Full Remote · Countries of Europe or Ukraine · 4 years of experience · B2 - Upper Intermediate
    We are looking for an engineer with WEB3 experience. The experience should include working with web3js or ethersjs, wallet connecting and smart contract integration. Requirements: - Solidity (deep knowledge). - Experience with Hardhat/Foundry. - Smart...

    We are looking for an engineer with WEB3 experience. The experience should include working with web3js or ethersjs, wallet connecting and smart contract integration. 

     

    Requirements:

    - Solidity (deep knowledge).
    - Experience with Hardhat/Foundry.
    - Smart contract security (typical attack vectors, countermeasures).
    - Architectural patterns (proxy, upgradable, factory).
    - Popular libraries (OpenZeppelin, Chainlink).
    - Experience with various blockchains (Ethereum, Binance Smart Chain, Polygon, etc.).
    - Understanding of the principles of working with decentralised finance (DeFi) and decentralised applications (DApps).
    - Experience with Uniswap v2/v3/v4, Compound v2/v3, AAVE v2/v3, Morpho, Euler, Lido, EtherFi.
    - Understanding of the principles of Frontend integration with Blockchain (Web3.js, Ethers.js, Wagmi).
    - Structured approach to smart contract testing (unit, integration).
    - Foundry fuzz testing / invariant testing.
    - Writing test cases for critical logic.
    - Measuring code coverage, approach to code coverage.
    - Communication with external auditors, implementation of their recommendations.
    - Knowledge of typical attack vectors and methods of their prevention.
    - Project cycle management, understanding how to start and run a blockchain project from idea to release.
    - Designing an architectural solution.
    - Experience in creating technical documentation for the project.

     

    Responsibilities:

    - Technical leadership in the blockchain area (architecture, code review, mentorship).
    - Assessing the complexity of tasks and sprints.
    - Communicating with presale leaders, products, CTO.
    - Participation in smart contract audits (reviews, recommendations, sometimes hands-on).
    - Formation of technical vision and decision-making.
    - Formation and development of a blockchain team.
     

    Compensation and Benefits:

    - Competitive monthly salary ranging, based on experience and skill level.

    - Fully remote work, allowing for global collaboration and flexibility.

    - Opportunities for career growth and development within a rapidly expanding company.

    - Access to cutting-edge technologies and tools for blockchain and crypto projects.

     

    Hiring Process:

    - Initial Interview: Conducted by a hiring manager to assess general fit, covering basic qualifications, interest, and experience.

    - Technical Interview: A deep dive into the candidate’s technical expertise with Lead, focusing on blockchain technologies, product management methodologies, and problem-solving skills.

    - Final Interview: A group interview with the entire team to evaluate how well the candidate aligns with the company culture and collaborates with others.

    More
  • · 1013 views · 50 applications · 5d

    Customer Support Representative (English) to $700

    Full Remote · Ukraine · B2 - Upper Intermediate
    WHO WE ARE Hi, we’re BetCare. Our company specializes in multilingual customer care where we put heavy focus on sales, conversion, and customer reactivation strategies. Our clients are primarily from Europe, Canada, and Australia, so we operate in...

    WHO WE ARE 💫

     

    Hi, we’re BetCare.

    Our company specializes in multilingual customer care where we put heavy focus on sales, conversion, and customer reactivation strategies. Our clients are primarily from Europe, Canada, and Australia, so we operate in licensed markets globally.

    Our team members’ strongest skills are Positive Language, Care and Sales. Our approach to every contact is to provide an excellent service experience in order to open up the customer to a sale.

     

    WHO WE ARE LOOKING FOR 😎

     

    We are looking for a Customer Service Agent with at least Upper-Intermediate level of English language to join our international team and add more diversity into the mix.

     

    In this role your main aim will be to make the customers happy by providing live chat support, addressing their inquiries promptly and effectively, troubleshooting issues, and ensuring a positive customer experience.

     

    We don't care about your background - you are yours, as they say - though this position has its requirements and ground rules: you have to be a personable and reliable team player with a customer service mindset, ability to multitask and think on your feet whilst calmly handling customer queries with a smile.

    We value: respect, transparency, commitment, responsibility, attention to detail, fun.?

    We despise: dishonesty in any form, exaggerated snobbism, unprofessional work ethics.

     

    MAIN RESPONSIBILITIES 🦾

     

    - To acquire some technical and end-user understanding of our products so you can respond to customers quickly and accurately (don't worry, we will provide the training).

    - To report on common issues and flag anything urgent.

    - To approach customers proactively about select promotions.

    - To support with some translations as our "go-to" native speaker.

     

    A FEW MUSTS ❗

     

    - Be fluent in written and spoken English (this is the official office language).

    - Be interested in learning about iGaming and increasing your tech knowledge.

    - Be happy to work different shifts: our Customer Services Department is open 24/7 (be ready to have 3 night shifts from 5 weekly).

     

    WHAT WE OFFER 💎

     

    -Remote work format — the ability to attend the office in case you are Lviv-based, in the city center (which is absolutely pet-friendly 🐶).

    - Extensive training program, which will help you to learn a new field and best practices. (It is fully paid after successful completion).

    - Diverse paid times off.

    - Presents and bonuses from the company.

     

    Can you relate to this? If your answer is "Hell Yes", contact us here!

     

    More
  • · 92 views · 9 applications · 30d

    Technical Lead Developer (PHP + Yii2)

    Full Remote · Worldwide · Product · 6 years of experience · B1 - Intermediate
    PHP Technical lead Remote | Full-time Artigaming is an international product company in the iGaming domain, building high-load platforms for online entertainment. As we grow, we are looking for an experienced Technical Lead Developer to help us build a...

    PHP Technical lead

    Remote | Full-time

    Artigaming is an international product company in the iGaming domain, building high-load platforms for online entertainment. As we grow, we are looking for an experienced Technical Lead Developer to help us build a scalable microservices architecture and elevate our engineering maturity.
    This is a hands-on leadership role for a backend-strong engineer who can write code, lead a team, make technical decisions, and shape processes.

    Responsibilities:

    • Design, maintain, and develop systems using PHP (Yii2) and Node.js
    • Implement new features and refactor existing code
    • Lead the transition from monolith to microservices
    • Conduct code reviews and uphold clean code principles
    • Mentor engineers and assist in solving complex technical challenges
    • Plan and improve engineering workflows and development processes
    • Collaborate with product managers, PMs, and cross-functional teams (Jira, Scrum)
    • Set up CI/CD pipelines, monitor services, manage logs and cron jobs
    • Administer servers and manage Cloudflare (WAF, caching, rate limiting)
    • Be available online for prompt response to critical bugs

       

    Requirements:

    • 6+ years of commercial experience with PHP 7.2+
    • 1+ year of production experience with Yii2, including custom modules/components
    • English level: B1 or higher
    • Experience with Node.js for internal services, bots, or workers
    • Hands-on experience with CI/CD (testing, deployment, linters)
    • Proficient in Docker (custom configs, supervisor, CLI utilities)
    • Knowledge of Apache2 (mpm-worker, QoS, load balancing)
    • Experience with RabbitMQ (queues, events, async processing)
    • Ability to write meaningful test coverage using PHPUnit or Codeception
    • Confident working with Linux/Unix, CLI, and system administration
    • Strong knowledge of MySQL 8+: normalization, indexing, scaling
    • Experience working in Jira, Agile/Scrum environment
    • Solid understanding of SOLID principles, design patterns, and clean code practices
    • Experience managing Cloudflare (WAF, caching, DDoS protection)
    • High level of autonomy, proactivity, and responsibility

       

    Nice to have:

    • Grafana + Prometheus + Loki + Alloy
    • Knowledge of OWASP principles
    • Redis
    • Experience with Telegram bots (Node.js)
    • Kafka
    • Background in gambling or high-load systems
    • Practical use of AI in development

       

    What we offer:

    • Remote work and flexible schedule
    • Paid vacation, sick leave, and public holidays
    • English courses
    • Product-focused team with no bureaucracy or micromanagement
    • Gifts and day-offs for special occasions
    More
  • · 40 views · 1 application · 23d

    Hardware Engineer, PCB designer, Modeling and simulation engineer to $3000

    Full Remote · Countries of Europe or Ukraine · Product · 2 years of experience · A2 - Elementary MilTech 🪖
    Bavovna Defence is a company operating in the miltech sector, specializing in the development of electronic devices for the frontlines. Our products include munition drop controllers, remote detonation systems, target tracking systems, communication...

    Bavovna Defence is a company operating in the miltech sector, specializing in the development of electronic devices for the frontlines. Our products include munition drop controllers, remote detonation systems, target tracking systems, communication systems, and more.

     

    For the past 2.5 years, we have been fully dedicating ourselves and our work to bringing Ukraine’s victory closer and strengthening its defense capabilities.

     

    We are not planning to stop—only to expand! That’s why we are currently looking for a skilled Hardware Engineer, whose responsibilities will include:

    • Developing technological maps for the production of electronic devices.
    • Designing electronic devices, as well as physical and mathematical models of systems.
    • Creating physical models for simulating control systems for electronic devices and aerial vehicles in MATLAB/Simulink.
    • Researching and adapting new production technologies (related to development).

       

    Requirements:

    • Strong knowledge of physics and mathematics.
    • Experience working with safety systems.
    • Understanding of analog and digital circuit design.
    • Knowledge of electromagnetic compatibility (certification experience is a plus).
    • Understanding of PCB manufacturing/assembly and knowledge of IPC standards.
    • Experience with Git.
    • Proficiency in Altium Designer / OrCad / Eagle.
    • Ability to read blueprints and work with STEP models.
    • Experience with SPICE simulators: LTSpice, PSpice, Multisim, Microcap, Proteus.
    • English proficiency (spoken skills are preferred).

       

    Bonus points for:

    • Experience with BGA packages / multilayer (8+) PCBs.
    • Experience with STM32 controllers / FPGA.
    • Experience in RF circuit/antenna/SDR system design.
    • Experience with instrumentation amplifiers.
    • Experience in designing switching power supplies.
    • Experience in Safety-Critical / Mission-Critical system development.

     

    What we offer:

    • Competitive salary (at or above market level, depending on technical interview results).
    • Remote work format.
    • Flexible schedule (we prioritize task completion within deadlines rather than fixed working hours).
    • A truly friendly team of professionals and like-minded individuals who will support, assist, and eagerly share their expertise with new team members.

     

    We look forward to having you on board! 🚀

    More
  • · 85 views · 14 applications · 26d

    iOS/macOS Developer (SwiftUI) SaaS to $2000

    Full Remote · Countries of Europe or Ukraine · 2 years of experience
    We are looking for a skilled iOS/macOS Developer to join our team and work on several SaaS productivity and AI products: AI-powered Note Taker & meeting assistant 2FA App (Secure access manager and secrets management tool) AI-powered smart print &...

    We are looking for a skilled iOS/macOS Developer to join our team and work on several SaaS productivity and AI products:

    • AI-powered Note Taker & meeting assistant
    • 2FA App (Secure access manager and secrets management tool)
    • AI-powered smart print & document preparation App

      What you will do:
    • Develop and maintain iOS/macOS apps with modern UI and architecture.
    • Build new features and improve existing functionality.
    • Collaborate with product managers, designers, and data teams.
    • Integrate third-party AI services (OpenAI, etc).
    • Optimize performance, UX, and app stability.
       

      Requirements:

    • 2+ years of experience with iOS/macOS development.
    • Solid knowledge of Swift and SwiftUI.
    • Experience with REST APIs, JSON, Core Data / CloudKit.
    • Understanding of SaaS architecture, analytics, monetization (a plus).
    • AI API integration experience (a plus).
    • Experience with App Store submissions and TestFlight.
    • Self-driven, responsible, and product-oriented mindset.
       

      We offer:

    • Work on multiple real SaaS products (not outsourcing).
    • Influence on product and architecture decisions.
    • Fully remote position.
    • Flexible schedule.
    • Project based compensation
    More
  • · 53 views · 8 applications · 18d

    Machine Learning Specialist – Price Prediction

    Full Remote · Countries of Europe or Ukraine · Product · 3 years of experience · B1 - Intermediate
    About Us Cherry is a fast-growing market place for buying, selling, leasing, and auctioning commercial vehicles and equipment. We’re building an industry-first valuation engine that helps our users make informed decisions in seconds. Now, we’re looking...

    About Us

    Cherry is a fast-growing market place for buying, selling, leasing, and auctioning commercial vehicles and equipment. We’re building an industry-first valuation engine that helps our users make informed decisions in seconds. Now, we’re looking for a Machine Learning Engineer who can bring strong expertise in predictive modeling, and ideally document automation using AI.

    Role Overview

    We are seeking an experienced ML specialist to build models that predict market prices for trucks and equipment based on auction results, historical sales, and vehicle specifications. This role will also involve setting up automated data pipelines, scraping structured and semi-structured data, and optionally working on generating intelligent reports or documents from data.

    Key Responsibilities

    • Build and refine price prediction models using data from auction sites, dealership listings, and historical records.
    • Design and maintain data scraping pipelines will be a plus (e.g., BeautifulSoup, Selenium, Scrapy) to gather auction and sale data from multiple public sources.
    • Clean, normalize, and store data efficiently for training and inference.
    • Apply feature engineering techniques on specs like make, model, mileage, year, VIN, etc.
    • Work closely with product and engineering teams to deploy models in production.
    • (Optional but valued): Use NLP or generative AI to create documents or listing descriptions automatically.

    Requirements

    • Proven experience in machine learning with a focus on regression/predictive models.
    • Strong Python skills; familiar with tools like Scikit-learn, XGBoost, LightGBM, TensorFlow, or PyTorch.
    • Experience in web scraping is a plus (BeautifulSoup, Scrapy, etc.).
    • Familiarity with model evaluation metrics for regression (e.g., RMSE, MAE).
    • Comfortable working with structured data (CSV, JSON, APIs) and preprocessing pipelines.
    • Fluent in Git and version control workflows.
    • Experience deploying or working with models in production (FastAPI, Flask, AWS/GCP preferred).

    Nice to Have

    • Familiarity with automated document generation, AI agents, or LLM APIs (OpenAI, Langchain).

       

    More
  • · 18 views · 2 applications · 12d

    Embedded/Hardware Security Researcher

    Hybrid Remote · Ukraine (Kyiv) · Product · 3 years of experience · B1 - Intermediate
    Samsung R&D Institute Ukraine is looking for a passionate and collaborative Embedded/Hardware Security Researcher to join our team. If you love working directly on consumer-facing products, we are glad to meet you at our team in Samsung R&D Institute...

    Samsung R&D Institute Ukraine is looking for a passionate and collaborative Embedded/Hardware Security Researcher to join our team.

    If you love working directly on consumer-facing products, we are glad to meet you at our team in Samsung R&D Institute Ukraine.

    Embedded systems vulnerability assessment and HW related white/grey/blackbox penetration testing of Samsung mobile products:

    • Perform security testing, including pentest of HW and low level firmware device components, security mechanisms
    • Conduct risk analysis and security issues mitigation advisory for discovered issues
    • Participate in exploitability Proof-of-Concepts development
    • Monitor public sources, reproduce externally-reported  HW related vulnerabilities
    • Research and monitor emerging threats, including new attack methods and new types of security issues

     

    Requirements:

    • Binary reverse-engineering experience
    • Knowledge of digital schematics, logic analyzers, HW protocols (I2C, SPI, JTAG, UART), ROM / Bus / Periphery operation
    • Understanding of typical software security issues (stack/heap exploitation, code injection, design flaws and oth.)
    • Experience with disassemblers
    • Proficiency with C/C++, Assemblers (x86/x86_64, ARM)

     

    As a plus:

    • Soldering skills, ability to modify the target device
    • Embedded firmware reverse-engineering, software exploitation experience
    • Experience with HW related attacks (ex. side channel analysis, Fault Injections, power analysis)
    • Understanding of Linux Kernel architecture, ARM TrustZone, Secure Boot as a great plus
    • Digital schematics and documentation analysis, PCB development skills as a plus
    • Participation in security contests, CTFs 

     

    Benefits:

    • competitive salary, annual salary review, annual bonuses
    • paid 28 work days of annual vacations and sick leaves
    • opportunity to become an inventor of international patents with paid bonuses
    • medical & life insurance for employees and their children
    • paid lunches
    • discounts to Samsung products, services
    • regular education and self-development on internal courses and seminars
    • hybrid work format, working in office is required for some tasks
    More
  • · 55 views · 13 applications · 9d

    Chief Technology Officer

    Full Remote · Countries of Europe or Ukraine · Product · 5 years of experience · B2 - Upper Intermediate
    INFOBUS.EU is a fast-growing platform that connects millions of travelers with bus operators across Europe. In 2025, we're launching a full-scale tech transformation. We're looking for a hands-on CTO to lead this rebuild — architecturally, strategically...

    INFOBUS.EU is a fast-growing platform that connects millions of travelers with bus operators across Europe. In 2025, we're launching a full-scale tech transformation. We're looking for a hands-on CTO to lead this rebuild — architecturally, strategically and operationally.

    This is a high-impact, full-ownership role with full freedom to shape the platform’s future.

        Your Mission:
     

    To lead the technical reboot of INFOBUS:

    • Define and own the tech roadmap
    • Build a strong engineering team
    • Migrate legacy systems
    • Scale product capabilities across markets

       

      What You'll Be Responsible For:

       

      Technology Strategy & Architecture

    • Design and implement the long-term technology roadmap aligned with business goals.
    • Lead the migration from legacy systems to a modern tech stack (microservices, Next.js, Vue, React).
    • Ensure scalability, fault tolerance, and high availability of the platform.
    • Define backend and frontend architecture standards.
       

      Engineering Management

    • Oversee full-cycle development: web, mobile apps (iOS, Android), JS widgets.
    • Establish clear delivery pipelines, QA processes, and release cycles.
    • Build DevOps culture and maintain cloud infrastructure (AWS / GCP / Azure).
    • Implement robust monitoring, testing and security frameworks.
       

      eCommerce Integrations

    • Integrate CDP, web & mobile analytics, A/B testing systems, email/push messaging.
    • Lead SEO & performance optimization efforts.
    • Collaborate with marketing to support product-led growth.
    • Plan for future ML/AI features (search, personalization, automation).
       

      Team & Process

    • Build and lead a cross-functional tech team of 20+ engineers, QA, architects.
    • Implement Agile/Scrum workflows from the ground up or restructure current ones.
    • Foster a strong engineering culture focused on accountability and innovation.
    • Develop hiring and evaluation processes.
       

      Cross-functional Collaboration

    • Partner with the Product Owner to align discovery, delivery and release cycles.
    • Collaborate with analytics to make data-driven architecture and product decisions.
    • Act as a bridge between design, product, tech, marketing and support.

       

      Who We're Looking For
       

      Must-have:

    • 5+ years in CTO / Head of Engineering / Tech Lead roles in B2C, eCommerce or TravelTech.
    • Proven success in full-scale system migrations from legacy to modern stack.
    • Experience building and managing engineering teams of 20+ people.
    • Hands-on experience setting up Agile/Scrum and scaling engineering processes.
    • Strong product mindset: you understand UX, conversion, and product metrics.
    • English: Upper-Intermediate or higher (confident communication and presentations).
       

      Nice-to-have:

    • Experience implementing ML/AI solutions in eCommerce.
    • Familiarity with search infrastructure (Elasticsearch, etc.).
    • Deep understanding of SEO, conversion rate optimization and performance tuning.

       

      What We Offer:

    • Competitive salary + KPI
    • Full freedom to design architecture, processes and team structure.
    • Remote-first culture, flexible schedule, distributed EU team.
    • Direct impact on a large-scale product with millions of users.
    • Full support from the CEO and CPO in driving innovation.


      How to Apply: Just send a message or apply here. We’ll walk you through our tech vision and show how much impact you can have.



       

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  • · 182 views · 38 applications · 10d

    QA Engineer (General)

    Full Remote · Countries of Europe or Ukraine · 2 years of experience · B1 - Intermediate
    About the project We're looking for a QA Engineer with manual and automation experience to join one of our projects in the healthcare and fintech domain. The product is an AI-powered platform that automates financial operations — specifically, the...

    About the project

    We're looking for a QA Engineer with manual and automation experience to join one of our projects in the healthcare and fintech domain.

    The product is an AI-powered platform that automates financial operations — specifically, the reconciliation of payments between hospitals and insurance companies.

    By combining invoice data, bank transactions, reimbursement rules, and other relevant inputs, the system streamlines the reconciliation process for healthcare providers, helping them get paid faster and more accurately.

    You’ll be joining a team that’s building meaningful tech with real-world impact.

     

    We joined the project at an early stage and brought it to a public release within a year.
    Now, we continue to actively develop the product by adding new features and improving existing ones.

     

    Tools & Technologies:

    Python, PostgreSQL, React, Playwright (JavaScript), Postman, Swagger, SQL, Datadog, Figma, Notion, Jira.

     

    Responsibilities:

    • Support and develop automated functional tests for business logic and user interfaces;
    • Document and maintain existing test scenarios;
    • Perform manual exploratory testing during planned iterations and pre-release phases;
    • Report and track defects using the issue tracking system;
    • Collaborate with the client and other teams as part of day-to-day responsibilities;
    • Create and maintain test documentation and test reports.

     

    What we offer:

    • Involvement in meaningful projects with real impact;
    • B2B contract cooperation;
    • Opportunity to work on diverse projects and with various clients — gain experience quickly and grow professionally;
    • Real impact on the company’s growth by contributing to process improvements within the QA department;
    • Supportive team environment with open communication;
    • Remote or hybrid working conditions;
    • Opportunities for professional growth and mentorship;
    • Access to internal workshops and knowledge sharing.

     

    Expectations:

    • Long-term Commitment. Our projects are usually long-term. That's why we ask our team members for a minimum of 1 year commitment from their side.
    •  Full-time Work. Our customers expect us to work full-time on their projects, so we kindly ask our team members the same. On average this means 40 hours per week.
    • Synced Schedule. The nature of our projects requires maximum schedule overlap for effective collaboration between everyone involved.
    • Team Meetings. We believe that clear communication is the key to success. Our teams have regular meetings: daily sync-ups, planning sessions, code review.
       

      Required skills:

      We look for the candidates who have:

    • 0.5–1 year of hands-on experience in test automation using JavaScript (experience with Playwright is a plus);
    • 1.5+ years of practical experience in manual testing;
    • Solid understanding of API testing;
    • Experience working with relational databases;
    • Knowledge of test design techniques and ability to apply them in practice;
    • Comfortable working with test documentation (test plans, test reports, checklists);
    • Strong analytical and problem-solving skills;
    • Attention to detail and commitment to delivering high-quality results;
    • Good spoken and written English (Intermediate level or higher preferred);
    • Team player with strong communication and collaboration skills.

     

    Recruitment stages:

    • application registration via google form;
    • technical quiz; 
    • interview with QA Lead and QA Manager;
    • interview with PM;
    • offer.

     

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