Jobs at Djinni

About Us:

Entravel is a member’s club for discounted luxury travel and white-label hotel platform provider focusing on the crypto industry, backed by VCs and prominent European founders. Our hotel product is incredibly strong; we offer more than one million properties, and our rates are amongst the lowest in the world. In fact, on most 5* hotels you won’t find a platform with lower rates than Entravel.

What We’re Looking For:

We are looking for a Middle Automation QA Engineer to join the Entravel team. In this role, you will be responsible for building and maintaining automated tests to ensure the quality, stability, and reliability of our hotel booking platform. You will work closely with developers and product teams to deliver high-quality features and continuously improve our testing processes.

Responsibilities:

• Develop, maintain, and enhance automated test frameworks.
• Create and support automated tests for backend services and APIs.
• Perform API testing for REST and gRPC-based services.
• Validate data integrity across microservices and databases.
• Analyze automated test results, investigate failures, and report defects.
• Execute regression testing to ensure system stability and reliability.
• Collaborate with backend engineers, product managers, and QA team members.
• Participate in sprint activities, planning, and daily team ceremonies.
• Contribute to improving QA processes, test coverage, and test reliability.

Requirements:

• 2-3 years of experience in automation testing.
• Strong understanding of QA processes and SDLC.
• Experience with automated testing frameworks (e.g. Playwright, Selenium, or similar).
• Experience testing REST APIs (Postman or similar tools).
• Basic understanding of gRPC is a plus.
• Experience working with databases (PostgreSQL, MongoDB).
• Understanding of message-based or event-driven systems.
• Confident use of Git and Git-based workflows.
• Familiarity with CI/CD pipelines.
• Understanding of Agile / Kanban methodologies.
• Ability to analyze test results and clearly document issues.
• Strong communication skills, able to collaborate effectively across teams in both English and Ukrainian.

Nice to Have:

• Experience with integration testing in microservice architectures.
• Basic knowledge of Docker and containerized environments.
• Familiarity with cloud platforms (GCP or similar).
• Basic Linux command-line skills.
• Experience with monitoring or logs analysis (e.g. Kibana, Grafana).
• Basic understanding of gRPC-based services.

We Offer:

• Flexible Start: Set your own comfortable working hours that accommodate your individual needs.
• Competitive Salary: High standards of remuneration reflecting your contribution and skills.
• Vacation: Enjoy 22 days of vacation for full rejuvenation and life enjoyment.
• Sick Leave: Ensure your health with 15 days of sick leave per year.
• Special Leave Cases: Support for significant life events such as weddings, childbirth, or the loss of a close family member.

Sales Manager

Live and Study in Europe is an international company that has been providing legal relocation support to Europe since 2013. We work with clients from over 60 countries, offering personalized immigration solutions aligned with current European public policies.

Key Responsibilities:

• Build trust in the company and ensure our customers are provided with accurate product knowledge

• Achieve international sales goals set by the management team

• Responsible for building and maintaining customer relationships

• Meet or exceed monthly revenue targets and departmental KPIs

• Uncovering customer’s needs and presenting an accurate high-level overview of our value proposition

• Listening to unique business problems and communicating easily understood solutions

• Develop and maintain deep expertise of Live and Study in Europe’s products and best practices to provide value to customers

• Provide personalized support that aligns with our company brand and voice, directly impacting our customer retention

• Assisting with the creation of immigration-related content and client testimonials, its distribution to existing customers, and future prospects

• Accompaniment of clients upon their arrival in the destination country, placement and paperwork processing to legalize long-term stay when required

• Ability to work harmoniously with others towards individual and team targets

Requirements:

• University diploma in business, marketing, economics, or other closely related areas

• Advanced English verbal and writing skills

• 2−3 years' experience in international sales

• Track record of quota achievement

• Self-starter who takes initiative and works with limited direction

• Excellent communication skills

• Proficient computer skills and the ability to navigate multiple applications

We Offer:

• Competitive compensation (base salary + performance bonuses);

• Paid vacation, additional days off and sick leave;

• Remote work format;

• Professional growth and training opportunities.

We are seeking a highly skilled and motivated Machine Learning Developer to join our dynamic team, focusing on developing, deploying, and optimizing Large Language Models for chatbot applications. This role involves working on cutting-edge AI technologies to create conversational agents that provide engaging and insightful interactions with users. The ideal candidate will have a strong background in machine learning, Natural Language Processing, and experience in developing LLM-based chatbots.

Required Qualifications:

• Bachelor’s or Master’s degree in Computer Science, Artificial Intelligence, Machine Learning, or a related field.
• +5 years of experience in machine learning and NLP, with a focus on developing applications using LLMs.
• Proficiency in programming languages such as Python and frameworks/libraries like TensorFlow, PyTorch, Hugging Face Transformers.
• Experience with cloud services (AWS, Azure, GCP) for deploying ML models and applications.
• Strong understanding of RESTful APIs for integrating chatbot functionalities into different platforms.
• Familiarity with version control tools (e.g., Git) and ML development tools (e.g., Jupyter Notebooks, MLflow).
• Participate in pre-sales activities, including developing ML offering materials and engaging with clients to understand their needs, presenting tailored solutions, and demonstrating the potential impact of our ML technologies.

• Excellent problem-solving skills and the ability to work in a fast-paced, collaborative environment.

   

Preferred Qualifications:

• Knowledge of front-end technologies (HTML, CSS, JavaScript) for crafting interactive chatbot interfaces is advantageous but not required.
• Certifications or advanced training in machine learning, cloud architectures, or similar fields.
• Active participation in relevant tech communities or contributions to open-source projects in the ML/NLP domain.

Job Responsibilities:

• Design and implement chatbot solutions using Large Language Models such as OpenAI GPT API or similar frameworks.
• Collaborate with cross-functional teams to integrate chatbot solutions into existing platforms and workflows.
• Optimize and fine-tune LLMs for performance, accuracy, and user engagement.
• Build and optimized RAG and vectorized databases
• Monitor and evaluate the performance of chatbot applications, identifying areas for improvement and implementing updates.
• Stay up-to-date of developments in AI, machine learning, and NLP to ensure our solutions remain cutting-edge.
• Develop and maintain documentation related to ML models, including model design, deployment details, and performance metrics.
• Work with data engineers to ensure the availability and quality of data for training and fine-tuning models.
• Implement security measures to protect sensitive information processed by chatbots

What we offer:

Culture of caring. At GlobalLogic, we prioritize a culture of caring. Across every region and department, at every level, we consistently put people first. From day one, you’ll experience an inclusive culture of acceptance and belonging, where you’ll have the chance to build meaningful connections with collaborative teammates, supportive managers, and compassionate leaders. 

Learning and development. We are committed to your continuous learning and development. You’ll learn and grow daily in an environment with many opportunities to try new things, sharpen your skills, and advance your career at GlobalLogic. With our Career Navigator tool as just one example, GlobalLogic offers a rich array of programs, training curricula, and hands-on opportunities to grow personally and professionally.

Interesting & meaningful work. GlobalLogic is known for engineering impact for and with clients around the world. As part of our team, you’ll have the chance to work on projects that matter. Each is a unique opportunity to engage your curiosity and creative problem-solving skills as you help clients reimagine what’s possible and bring new solutions to market. In the process, you’ll have the privilege of working on some of the most cutting-edge and impactful solutions shaping the world today.

Balance and flexibility. We believe in the importance of balance and flexibility. With many functional career areas, roles, and work arrangements, you can explore ways of achieving the perfect balance between your work and life. Your life extends beyond the office, and we always do our best to help you integrate and balance the best of work and life, having fun along the way!

High-trust organization. We are a high-trust organization where integrity is key. By joining GlobalLogic, you’re placing your trust in a safe, reliable, and ethical global company. Integrity and trust are a cornerstone of our value proposition to our employees and clients. You will find truthfulness, candor, and integrity in everything we do.

1. What you'll do

   • Own day-to-day operations across all Tapin platforms — CS coverage, teammate availability, cancellation monitoring, and escalation handling.
   • Hit strict KPIs: under 45-second first response during online hours, below 1% cancellation rate across all games and categories, 97%+ order completion rate.
   • Respond to all teammate applications within 48 hours. Manage the full onboarding pipeline from application to first session.
   • Run regular teammate training sessions based on Tapin's internal session quality guide built from top performer data.
   • Coordinate game-specific ops leads and build cross-game SOPs that scale.
   • Own customer escalation resolution — under 4 hours turnaround.

    

   • Track teammate utilization and performance distribution. Flag underperformers, build improvement plans.

2. What we're looking for

   • 2–5 years in operations, preferably in gaming, marketplaces, or gig platforms.
   • Data-driven. You make decisions based on numbers, not gut feelings.
   • Ownership mindset. You see a problem, you fix it — you don't wait to be told.
   • Strong written English, calm under pressure, flexible across time zones.
   • Experience managing remote teams and coordinating across departments.

   Why Tapin

   • Gaming-focused team building something players actually love.
   • Real impact on how thousands of gamers experience the platform daily.
   • Growth opportunities as we scale into new games and markets.

   How to apply

    

3. Reply here with:

   • A short note on which games you currently play.
   • Your answer to the following questions:

   Q1: You wake up to find overnight cancellation rates spiked to 12% in Fortnite. Walk us through exactly how you'd investigate, what data you'd look at, and what actions you'd take in the first 2 hours. Q2: You have 80 active teammates across 3 games. 15 of them are consistently underperforming — low ratings, high churn, but they still pick up a decent volume of orders. How do you handle this without killing your supply? Q3: A teammate and a customer are in a dispute mid-session. The teammate says the customer is being toxic. The customer says the teammate isn't trying. You have the session chat logs. Walk us through your process. Q4: How would you utilize voice chat to help Tapin grow? Q5: Write an original idea on how to make Tapin better. Be specific — what would you build, change, or introduce, and why? Interview process

    

4. Candidates can expect:

   • Written ops scenarios (show your decision-making process with real data).
   • A short exercise prioritizing 10 operational issues by urgency and impact.
   • Live walkthrough of how you'd structure your first 30 days.
   • Final call with the team to review experience, judgment, and fit.

   Required languages English — C1 Advanced

ThirstySprout is the exclusive recruiting partner for this role. We represent a leading global travel technology company that has raised over $750M in funding and serves hundreds of millions of travelers worldwide. Their B2B division powers AI-driven travel and fintech solutions for major airline, hospitality, and financial services brands. This team operates at Series A speed inside that larger organization — high ownership, fast iteration, and AI-native engineering culture.

About the Team

The Customer Experience (CX) Product team owns the entire post-booking journey — from the moment a trip is booked through changes, disruptions, refunds, and customer support interactions.

The team builds and operates the systems that enable fast, high-quality support at scale, including customer self-serve experiences within the app and partner-integrated flows, internal agent platforms for efficient human resolution, and a flagship agentic AI platform used both internally and offered as a B2B solution for global travel partners.

Together, these platforms support millions of travelers across chat, voice, web, and third-party channels, powering seamless post-booking experiences worldwide.

About the Role

As a Software Engineer on the CX Platform team, you will design, build, and evolve the core systems behind the company’s post-booking experience. Your work will directly impact customers, internal support agents, and the continued expansion of the AI-driven voice and chat platform.

You’ll collaborate closely with Product, Design, AI, Data, and Operations partners to deliver intelligent, scalable customer service systems — including conversational AI workflows, self-service customer journeys, internal tools used by thousands of agents, and infrastructure that enables partner-specific experiences.

You’ll report to a Senior Engineering Manager and work alongside engineers focused on platform services, integrations, AI orchestration, and self-service UX.

Day-to-Day

• Design, build, and improve backend and/or full-stack systems that power the AI assistant platform, internal agent tools, and customer self-serve flows

• Develop scalable APIs, microservices, and orchestration logic supporting complex post-booking journeys across AI, chat, voice, and web

• Partner with product, design, AI, and operations teams to deliver features that streamline customer experiences and enhance agent efficiency

• Integrate with external systems such as telephony, CRM, identity, or booking platforms to support both internal use cases and partner deployments

• Own features end-to-end — from technical design through implementation, testing, deployment, monitoring, and iteration

• Contribute to architectural decisions, code reviews, reliability improvements, and ongoing enhancements to engineering best practices

• Analyze system performance and user behavior to identify opportunities for automation, optimization, and cost reduction

Minimum Qualifications

• 3+ years of experience in software engineering, ideally building large-scale distributed systems or customer-facing applications

• Strong technical background with modern frontend and backend development, distributed systems, APIs, and cloud infrastructure

• Experience designing, building, and maintaining RESTful APIs, microservices, or event-driven systems

• Experience with databases (PostgreSQL, MySQL, NoSQL) and cloud platforms (AWS, GCP, or similar)

• Ability to break down complex problems, make pragmatic tradeoffs, and ship iteratively

• Strong communication skills and comfort collaborating with cross-functional teams

• Hands-on experience with AI coding tools and a demonstrated ability to integrate them effectively into your workflow

Preferred Qualifications

• Experience with conversational AI, LLM orchestration, or automation systems

• Experience building AI-first products (not just using AI as tooling)

• Experience building customer service, CRM, telephony, contact center, or workflow automation tools

• Familiarity with Scala/Python, React, TypeScript, or modern frontend frameworks

• Experience integrating with external systems (telephony APIs, identity providers, payment gateways, CRMs)

• Knowledge of travel industry technologies (PSS/GDS, hotel PMS/CRS) is a plus

We are looking for an experienced Data Engineer to leverage their skillset in a fast-paced financial trading environment. You will be responsible for designing, developing, and maintaining data pipelines and infrastructure across GCP , and Oracle-based systems, ensuring high-performance data flows that support trading, risk, and compliance functions. This role requires a deep understanding of cloud architecture, large-scale data processing, and a strong grasp of agile delivery practices.
 

About the client
 

An international consulting firm that helps companies of all sizes have a better impact on the world. Company capabilities focus on supporting the private and public sectors with their people, processes, and digital technology challenges.
 

What You Will Do
 

● Design, build, and maintain scalable data pipelines primarily within Google Cloud Platform
 

● Develop integration and transformation workflows between cloud data services and on-prem Oracle databases
 

● Work closely with trading, risk, and analytics teams to understand data requirements and deliver real-time and batch data solutions
 

● Optimise and monitor performance of data systems to support latency-sensitive trading applications
 

● Collaborate with cross-functional teams using Agile/Scrum methodologies to deliver business-critical data projects
 

● Ensure robust data governance, lineage, and compliance (including MiFID II, FCA, and other regulatory standards)
 

● Automate data workflows using Terraform, CI/CD pipelines, and containerisation tools (Docker/Kubernetes)
 

What you will bring
 

● Strong experience with Google Cloud Platform (GCP) e.g. BigQuery, DataPlex, DBT, Pub/Sub, Dataflow, S3, Glue, Redshift
 

● Expertise in Oracle SQL, PL/SQL, and working with complex stored procedures and large datasets
 

● Proficiency in programming languages such as Python, Java, or Scala
 

● Experience with streaming and messaging systems (e.g. Jenkins, GitLab), and container orchestration (Kubernetes)
 

● Experience working with Infrastructure as Code, preferably Terraform, to manage cloud data infrastructure.
 

● Deep understanding of data modelling, data warehousing, and ETL/ELT design patterns
 

● Familiarity with Agile development practices (Scrum, Kanban, Jira)
 

● Exposure to financial markets, trading systems, or related high-performance environments is a strong plus
 

Nice to have
 

● GCP certification (e.g., Professional Data Engineer or similar) will be considered a strong advantage.
 

● Experience with Amazon Web Services (AWS)
 

● Knowledge of regulatory reporting, market data, or trade surveillance systems
 

● Experience with Apache Airflow, DBT, or similar orchestration tools
 

● Understanding of data security practices and compliance frameworks

About the Role
We are looking for a Senior Backend Developer with strong Node.js and Web3 experience to join our team. You will work on building scalable backend services and integrating blockchain technologies into modern decentralized applications.
 

You’ll collaborate with a skilled engineering team to design reliable systems, work with blockchain infrastructure, and deliver high-performance solutions in the Web3 ecosystem.
 

Requirements

• 3+ years of experience in backend development
• Strong proficiency in JavaScript and TypeScript
• Solid production experience with Node.js
• Hands-on experience with Web3 libraries (ethers.js, web3.js, viem)
• Strong understanding of EVM architecture and smart contracts
• Experience building scalable distributed systems
• Knowledge of security best practices in crypto environments
• Experience with Docker and containerized environments
   

Nice to Have

• Experience working on Blockchain / DeFi projects
• Understanding of different blockchain networks
• Experience improving performance and scalability of backend systems
   

Why Join Us

• Work on innovative Web3 / Blockchain products
• Modern tech stack and challenging tasks
• Professional and friendly team
• Competitive compensation and flexible work format

About the role:

We are looking for a C#/.NET Developer to build and extend our Automate product. The product is a part of the 3Shape ecosystem and provides users with automatic design proposals for various dental products. The core value of the team is to provide high-quality designs in a fast and reliable manner. As a team, we are responsible for all aspects of our product, whether it would be user interface, backend, algorithms, or infrastructure. We maintain a friendly, balanced work environment that prioritizes mutual respect and individual growth. We value proactive thinking and encourage team members to drive positive changes.

As the majority of teams at 3Shape, the team utilizes the Agile methodology as its primary approach to software development.

 

Areas of responsibility:

• Develop and maintain backend components of the Automate product using C#/.NET.
• Work with algorithms, 3D meshes, and geometric computations to enhance automatic design generation.
• Participate in the full development cycle: design, implementation, testing, and deployment.
• Collaborate with distributed teams in Copenhagen and Kyiv.
• Ensure code quality through unit tests and best engineering practices.
• Contribute to product stability, performance, and continuous improvement.

To succeed in your role, you should possess the following skills and competencies:

• 5+ years of software development experience
• Strong knowledge of C#/.NET
• Solid foundation in mathematics, particularly: linear algebra, optimization, and geometric computations
• Experience in algorithm development, 3D meshes
• Strong problem-solving and analytical skills
• A degree in Computer Science or Engineering
• Strong collaboration and communication skills, and good at written and spoken English
• Excited about cross-site work: Your team is in Copenhagen and Kyiv, and our partners are around the globe

Would be a plus:

• Experience with developing/training AI models
• Experience in reviewing scientific documentation, patents, and research studies
• Basic knowledge of Python
• Experience working in cross-functional teams; with product managers, designers, and UX’ers
• Experience with writing unit tests
• Experience in Agile development and continuous integration tools (Git/GitHub actions)

Tech stack used in the project:

• C#
• ASP.NET Framework
• Neural networks
• Azure platform
• GitHub Actions

About the Project:

We are developing a next-generation high-load financial exchange platform designed to handle large volumes of real-time transactions with strict latency, scalability, and security requirements. The system operates in a mission-critical environment where reliability, performance, and fault tolerance are essential.

Position Overview:

We are looking for a Senior Backend Developer with strong expertise in C# and .NET to design and build core backend services powering a high-performance financial exchange system.

You will be responsible for developing low-latency services, ensuring system scalability, and maintaining high availability under heavy load conditions.

Responsibilities:

• Design and implement scalable backend services using C# / .NET;
• Develop high-performance APIs and real-time transaction processing components;
• Optimize system performance for low-latency operations;
• Design and maintain microservices architecture;
• Work with distributed systems and event-driven architectures;
• Implement robust security practices for financial systems;
• Collaborate with frontend, DevOps, and QA teams;
• Participate in architecture discussions and technical decision-making;

• Conduct code reviews and mentor other engineers.

   

Requirements:

• 5+ years of backend development experience;
• Strong expertise in:
  • C#
  • .NET (Core / .NET 6+);
• Experience building high-load, distributed systems;
• Strong understanding of:
  • Microservices architecture;
  • RESTful APIs;
  • Multithreading and asynchronous programming;
  • Memory management and performance optimization;
  • SQL and NoSQL databases;
  • Caching systems (Redis or similar);
  • Message brokers (Kafka, RabbitMQ, etc.).
• Experience with cloud platforms (AWS, Azure, or GCP);
• Experience with Docker and Kubernetes;
• Strong knowledge of system reliability, scalability, and monitoring;

• Upper-Intermediate English or higher.

   

Nice to Have:

• Experience in fintech, trading platforms, or exchange systems;
• Knowledge of financial market infrastructure;
• Experience with real-time streaming systems;
• Understanding of high-availability and fault-tolerant design patterns.

- searching for and attracting new partners in thematic public pages, forums, chats, exhibitions, etc (SEO, PPC, ASO, FB, etc);

- work with different markets;

- managing and developing existing partners;

- consultation with partners on setup, statistics and traffic analytics;

- monthly check-ups (commissions) and control incoming traffic, suppress fraud (with the help of company tools and an analytic team);

- traffic reporting;

- fulfilment of planned KPIs indicators by using company tools;

We’re looking for a JavaScript Engineer to join our growing team and lead the development of user interfaces and services that power marketing analytics, identity resolution, and cross-platform personalization.

What You’ll Do

• Build and maintain high-performance, scalable web applications using React.js, Node.js
• Work closely with Data Scientists to bring graph-based identity resolution, campaign analytics, and data activation to life.
• Develop UIs with advanced data visualization (e.g., using D3, Highcharts, and Recharts).
• Collaborate on multi-tenant architecture, OAuth-based integrations, and automated onboarding experiences using Auth0, Firebase, and Google Cloud Functions.
• Work with external teams to integrate features and deliver end-to-end value, including Stripe billing, Slack alerting, SendGrid messaging, and BigQuery pipelines.
• Champion UI/UX best practices while maintaining clean, maintainable code using ESLint, Prettier, and Husky-driven workflows.

Must-Have Qualifications

• 4+ years of experience with JavaScript and modern frameworks.
• 3+ years of experience with React.js, including hooks and context API.
• 3+ years of experience with Node.js, Express.js, and related tooling.
• Solid experience working in a Serverless environment (especially with Google Cloud Platform: Firebase, Functions, App Engine, API Gateway) is a must
• Deep understanding of REST APIs and third-party integrations (Things we use: Google Ads, Facebook Marketing API, Plaid, Stripe).
• Experience with CI/CD workflows using GitHub/GitLab pipelines.
• Familiarity with data visualization libraries (D3, Highcharts, Recharts).
• English: upper-intermediate level or higher.

Bonus Points

• Experience with Neo4j and graph data modeling (e.g., identity graphs).
• Knowledge of LaunchDarkly, Formik, Yup, and TailwindCSS.
• Prior work with OpenTelemetry, Sentry, or other observability stacks.
• Familiarity with Mongoose, MongoDB, BigQuery, and CDP tools.
• Experience building dashboards for analytics or marketing tech platforms

Tech Stack You’ll Work With

• Frontend: React, Vite, MUI, AntD, Tailwind, D3, Highcharts, Recharts, Formik, Yup
• Backend: Node.js, Express, Firebase, MongoDB, BigQuery, Auth0, Stripe, Slack APIs
• DevOps/Tooling: GitHub Actions, Husky, Prettier, ESLint, pnpm, Vitest, Jest
• Data & Observability: OpenTelemetry, Google Ads/Analytics APIs, Smartlook, Sentry
• Visualization & Reporting: Kendo PDF, jsPDF, xlsx, Venn.js

What We Offer:

• 4 weeks of paid vacation per year (with flexible scheduling)
• Unlimited sick leave — we trust your judgment and care about your health
• US Bank Holidays off — following the American holiday calendar
• A chance to work in a dynamic, multicultural team of professionals driven by a
• shared passion for product innovation and real impact
• A flat structure, no micromanagement, and full ownership of your work
• Remote-first culture and flexible working hours

Our Interview Process Is Simple and Fast:

1. Recruitment Screening Call

General conversation about your background, English check, and Q&A from your side.

2. Technical & Soft Skills Interview

Conducted by our Head of Delivery and Tech Lead.

3. Final Culture Fit Interview

General conversation in English with our CОO and CTO.

Why Join Us?

Be part of a product-first, data-driven startup reshaping martech

Work on modern tech with real ownership and creative freedom

Collaborate with senior-level professionals in a global, fast-moving environment

Ready to build the future of data-powered marketing with us?

Apply now and let’s talk!

Casino games have a tendency to look boringly similar. We believe in making casino games that stand out. For that, it takes people who stand out. Do you have the raw talent needed to continually deliver to new innovation and exciting games? Right now, we are looking for a Games Mathematician who wants to join us in our fight against industry monotony.

You will join one of the most exciting new gaming businesses and one of the most exciting studios to appear in years bringing extra life to games by adding world class math to our games. You are a highly motivated and experienced mathematician with a desire to develop the next great gaming mechanic while challenging yourself and the industry with new and exciting games that stand out in a growing Sea of Sameness.

This is a unique opportunity to be a part of an elite team working with industry leading management. The company creates unique and innovative content played by hundreds of thousands of players across the world and you will have a direct impact on the success of the business, its studio and its products. 

You will be qualified and experienced in all aspects of game mathematics. Highly motivated, a team player, excellent analytical skills and a proven track record as well as a thirst to work side-by-side with the team developing some of the world’s greatest games.

Your day-to-day will include:

• Ensuring that RAW’s math profiles are engaging and exciting for our players
• Active participation in setting parameters, while keeping games mathematically and mechanically compliant with all jurisdictions
• Keeping Raw up to date with market trends and collate market leading ideas for math designs and improvements
• Creating defined specifications (Math Design / Profiling Document) for the games
• Providing architects with analysis and data insights to ensure that Game Studios receive the necessary information to produce the game
• Accountability for targets, goals and objectives for your game productions, in accordance with the RAW Game Roadmap
• Active collaboration with Team Management in the Game Studios on new game ideas and mechanics
• Close collaboration with Certification and Release managers in the Project Delivery team

• Aligning with stakeholders to secure transparency and clear communication for mathematical, technical and operational matters

   

You're our ideal Mathematician if you:

• Have at least 1 year of experience as a Game Mathematician
• Hold a degree in Mathematics, Statistics, Engineering or Computer Science
• Have the right to work within EU.
• Have a deep understanding of the iGaming market
• Care about player’s needs and preferences
• Understand what developers and studios need, mathematically speaking
• Can tell what makes a game successful, from a mathematical perspective
• Are fluent in English

Other information

• Placement: REMOTE, Europe, max 2 hours time difference
• Desired Start: As soon as possible

About us

RAW is a new studio with a conviction to create something that stands out in the sea of sameness. We develop innovative, easy-to-understand and highly entertaining slot games for the gaming industry. We were founded in March 2021, by well-known industry experts with strong investment backing.

 
At RAW iGaming, we believe in the fundamental principles of equality and diversity. We are committed to fostering an inclusive environment where everyone, regardless of gender, race, age, sexual orientation or beliefs, is respected and valued. This commitment is integral to our culture and drives our efforts to ensure equal opportunities and create a diverse and dynamic workforce.

About Tie

Tie is building the next generation of identity resolution and marketing intelligence. Our platform connects hundreds of millions of consumers across devices, browsers, and channels—without relying on cookies—to power higher deliverability, smarter targeting, and measurable revenue lift for modern marketing teams.

At Tie, AI is not a feature—it is a core execution advantage. We operate large-scale identity graphs, real-time scoring systems, and production ML pipelines that directly impact revenue, deliverability, and customer growth.

The Role

We are looking for a Senior AI / Machine Learning Engineer to design, build, and deploy production ML systems that sit at the heart of our identity graph and scoring platform. You will work at the intersection of machine learning, graph data, and real-time systems, owning models end to end—from feature engineering and training through deployment, monitoring, and iteration.

This role is highly hands-on and impact-driven. You will help define Tie’s ML architecture, ship models that operate at sub-second latency, and partner closely with platform engineering to ensure our AI systems scale reliably.

What You’ll Do

• Design and deploy production-grade ML models for identity resolution, propensity scoring, deliverability, and personalization
• Build and maintain feature pipelines across batch and real-time systems (BigQuery, streaming events, graph-derived features)
• Develop and optimize classification models (e.g., XGBoost, logistic regression) with strong handling of class imbalance and noisy labels
• Integrate ML models directly with graph databases to support real-time inference and identity scoring
• Own model lifecycle concerns: evaluation, monitoring, drift detection, retraining, and performance reporting
• Partner with engineering to expose models via low-latency APIs and scalable services
• Contribute to GPU-accelerated and large-scale data processing efforts as we push graph computation from hours to minutes
• Help shape ML best practices, tooling, and standards across the team

What You’ll Bring

Required Qualifications

• 5+ years of experience building and deploying machine learning systems in production
• Strong proficiency in Python for ML, data processing, and model serving
• Hands-on experience with feature engineering, model training, and evaluation for real-world datasets
• Ability to travel outside of Ukraine is a must
• Experience deploying ML models via APIs or services (e.g., FastAPI, containers, Kubernetes)
• Solid understanding of data modeling, SQL, and analytical workflows
• Experience working in a cloud environment (GCP, AWS, or equivalent)
• Experience with graph data, graph databases, or graph-based ML

• Familiarity with Neo4j, Cypher, or graph algorithms (community detection, entity resolution)

  Preferred / Bonus Experience

• Experience with XGBoost, tree-based models, or similar classical ML approaches
• Exposure to real-time or streaming systems (Kafka, Pub/Sub, event-driven architectures)
• Experience with MLOps tooling and practices (CI/CD for ML, monitoring, retraining pipelines)
• GPU or large-scale data processing experience (e.g., RAPIDS, CUDA, Spark, or similar)
• Domain experience in identity resolution, marketing technology, or email deliverability

Our Technology Stack

• ML & Data: Python, Pandas, Scikit-learn, XGBoost
• Graphs: Neo4j (Enterprise, GDS)
• Cloud: Google Cloud Platform (BigQuery, Vertex AI, Cloud Run, Pub/Sub)
• Infrastructure: Docker, Kubernetes, GitHub Actions
• APIs: FastAPI, REST-based inference services

What We Offer

• Competitive compensation, including salary, equity, and performance incentives
• Opportunity to work on core AI systems that directly impact revenue and product differentiation
• High ownership and autonomy in a senior, hands-on role
• Remote-first culture with a strong engineering and data focus
• Exposure to cutting-edge problems in identity resolution, graph ML, and real-time AI systems

• Clear growth path toward Staff / Principal IC roles

  What else:

• 4 weeks of paid vacation per year (flexible scheduling)
• Unlimited sick leave — we trust your judgment and care about your health
• US Bank Holidays off (American calendar)
• Remote-first culture and flexible working hours
• Flat structure, no micromanagement, and full ownership

• Opportunity to make a real impact during a critical growth phase

  Interview Process

• Recruitment Screening Call
• Initial call with Head of Data Science & AI and CTO  (30 min) in English
• Technical deep dive Interview (1,5h)  in English

• Optional test-task (paid)

  Why Join Us?

• High-impact delivery leadership role during a critical period
• Real ownership and autonomy
• Opportunity to shape delivery across the entire engineering organization
• Exposure to SaaS, data, integrations, automation, and platform work
• Collaboration with global teams and vendors
• A strong product with real scale and momentum

Why This Role Matters

At Tie, your work will not live in notebooks or experiments—it will power production systems used by real customers at scale. You will help define how AI is embedded into the company’s core platform and play a key role in making machine learning a durable competitive advantage.

Requirements:

• You’re a final year student or a recent graduate of a technical faculty (applied mathematics, informatics, etc);
• You’re excited about AI technology and want to build AI-driven solutions;
• You have a basic understanding of the software development lifecycle;
• You’re willing to learn new technologies non-stop;
• You have at least an Intermediate level of English.
   

Responsibilities:

• Creating Agentic AI solutions that drive improvement in the critical processes;
• Developing new features and functionality to increase the capacity of the OneReach.ai platform;
• Work within project teams on different short-term and long-term automated solutions;
• Cooperating closely with the team of platform developers on its improvements;
• Participating in customer interactions alongside a dedicated project manager to help define project requirements.
   

We offer:

• Opportunity to develop an officially recognised best AI product on the market;
• Using modern and trending technologies stack with almost zero legacy code;
• Working with as little bureaucracy as possible in small dedicated teams;
• 24 paid vacation days per year and undocumented sick leaves;
• Trial period during which you will be able to go through the training program with a dedicated mentor to learn and understand how low-code/no-code development process works.

Experience Level: 

Minimum 7-8 years of commercial experience 

Job Description: 

We are looking for an experienced software engineer with strong technical expertise, excellent problem-solving skills, and the ability to work effectively in a collaborative environment. The ideal candidate should have a proven track record of working on complex systems based on SONIC networking OS. Candidates with a strong background in both software development and QA engineering are encouraged to apply for this role. Below are the key technical requirements for the role: 

Technical Requirements: 

1. Networking Experience: 

• Experience with SONIC Networking OS 
• Experience with Broadcom Switch ASIC’s such as Tomahawk (1-5) or other StrataXGS 
• Experience with porting SONIC to Broadcom Switch ASIC’s based systems 
• Experience with SAI for Broadcom Switch ASIC 
• Experience with FW/SW development for networking devices using C/C++ 
• Experience with Linux Kernel modules/drivers’ development, particularly for FPGA, CPLD’s 
• Experience with SW development using Python 
• Experience with various peripherals and peripheral buses, like I2C, PCI-E, etc. 
• Experience with data path automated tests development for network devices, using Python/Pytest. 
• Experience with SW/HW bringup/integration of networking devices. 
• Solid understanding of the differences between routing and forwarding, as well as switches and routers. 
• Proficiency in L2/L3 protocols. 

1. Advanced Network Skills: 

• Experience with link aggregation and LACP. 
• Knowledge of automatic routing protocols like BGP, OSPF, RIP, and IS-IS. 

1. Programming and Tools: 

• Advanced C/C++ programming skills. 
• Advanced Python programming skills. 
• Experience with Jenkins, Pytest, Scapy, traffic generators, traffic analysers, etc. 
• Git/ GitHub 

1. Additional Skills (Optional but Preferred): 

• Knowledge of embedded systems, Linux, or related technologies is an advantage. 
• Familiarity with tools like Jira, and CI/CD pipelines.