Jobs at Djinni

Part-Time / Hourly, Fully Remote
 

About Us:
At K&K Media, we believe marketing should be simple, effective, and results-driven. For over two years, we’ve partnered with hundreds of companies - from startups to established brands - delivering top-notch performance marketing and creative development services. Our team, a blend of analytical minds and bold creatives, is committed to unlocking the full potential of businesses through impactful campaigns across platforms like Meta, Google, and TikTok.
 

Who We’re Looking For:
We’re looking for a Creative Strategist with US market experience who will be responsible for the development of creative concepts and turning them into clear briefs for design and UGC production.

Format

• Project-based, part-time.

• Plan: +/-5–10 concepts per week, each with up to 3 creative variations.
   

  What you’ll do

• Develop creative concepts (hooks/angles) for a US audience.
• Prepare clear briefs: idea, structure, key frames/lines, references, CTA, format requirements.
• Run creative research: use spy-tools, collect references, shape hypotheses and best-in-class selections.

• Outline scenario frameworks for video/static and deliver executable, unambiguous specs.
   

  What we expect

• Hands-on experience in creative strategy for performance or brand creatives targeting the US market.
• Ability to think in concepts and translate them into structured briefs.
• Skill in tasking designers/editors, creators and ensuring output alignment.

• English at a level sufficient for professional correspondence and materials.
   

  Nice to have (not required)

• Overseeing the visual layer of websites/landing pages and promos (banners, page logic).
• Joining team/client calls — possible and negotiable, but not mandatory.
• Taking on a full design/editing cycle if you have the skills (we have a creative designer, but we’re open to options).
   

If you’re passionate about creating clean, high-performing websites and have experience working with Webflow templates, we’d love to hear from you!

📩 Apply now and join us at K&K Media!

What We Seek:

- Proficiency in JavaScript programming.

- Hands-on experience with React and Node.js.

- Strong teamwork abilities.

- Upper-Intermediate level of English proficiency.

- Knowledge of React Native or Python would be a plus

What We Offer:

- Opportunity to bring your ideas to life and lead the entire process.

- Flexible 40-hour workweek with the option for hybrid or remote work

- Competitive salary featuring regular compensation reviews.

- Paid vacation (20 business days) and sick leave

- A cozy office located near the center of Lviv.

- Friendly, open-minded team with minimal bureaucracy

Ajax Systems - is an international technology company, the largest developer and manufacturer of Ajax security systems with smart home capabilities in Europe. This ecosystem includes 180 devices, mobile and desktop applications, and server infrastructure. Every year, we demonstrate exponential growth in both the size of the team and the number of users worldwide. Currently, the company has more than 4,100 employees. Ajax sensors protect 3.5 million users in more than 187 countries around the world.

The System Department makes devices smart, turning them into full-fledged IoT. They created and developed OS Malevich (a modular RTOS for various hardware platforms) and the Ajax Cloud cloud service (Java 20 / Kotlin, AWS, Akka, NATS, Kafka, Mongo, MySQL). Applications for iOS (Objective-C, Swift), Android (Java, Kotlin), and Windows/macOS (Python / C++, QT, QML) have been developed for users, installers, and engineers of security companies to manage, maintain and monitor the system.

Required skills:

6+ years of experience in iOS development

Deep knowledge of Swift, Combine, and UIKit

Strong foundation in computer science principles, including memory management, concurrency, networking, data persistence, unit testing, performance profiling, and system design

Strong understanding of the full mobile development life cycle, Git, SOLID, OOP principles, and design patterns

Understanding of algorithms and data structures

Would be a plus:

Modular project organization knowledge (SPM, CocoaPods)

gRPC experience

Use the latest technologies and stay up to date with development trends

Passion for software engineering, learning, and continuous improvement

Tasks and Responsibilities:

Follow high standards of software quality established in the team

Design, build, and maintain high-performance, reusable, and reliable code

Collaborate with cross-functional teams to define, design, and ship new application featuresI

dentify options for potential solutions and assess them for both technical and business suitability

With us, you will enjoy:

Working with a team of people to build the future of an industry

Non-trivial challenges and various range of exciting tasks

Flexible working hours

Parking for cars and bicycles

Medical insurance

English classes

We are working to ensure people’s lives are calm and the world safe.Join the team that creates a smart and useful global product!

Headway Inc is a global tech company, revolutionizing lifelong learning by creating digital products for over 150 million users worldwide. Our mission is to help people grow. We’re proud to be ranked 4th among the World’s Top EdTech Сompanies by TIME magazine. We believe lifelong learning should be accessible, personalized, and impactful to each individual. That’s how we change the world and why we bring together exceptional minds.

The core of our achievements is our team. We believe in people and shared values SELECT. That’s why, together with Lisa Rudyk, User Acquisition Manager at Headway by Headway Inc, we’re looking for a User Acquisition Specialist to scale campaigns on Meta, TikTok & Applovin, and hit the ROI that drives our mission worldwide.

The product and team you will be working with:

Headway is our flagship app, offering summaries of nonfiction bestsellers, daily insights, and gamified challenges. Headway is the world’s most downloaded book summary app and has been featured as App of the Day in over 30 countries, including the US, the UK, and Canada.

You’ll join our User Acquisition team, responsible for driving new user growth, fueling product expansion, and supporting the company’s financial goals. We focus on scaling new revenue by testing fresh approaches and continuously exploring the most effective ways to accelerate product growth.

This job is perfect for you if you:

• Want to work on a product that’s a market leader in Book Summaries across the US and Tier-1 countries.
• Are excited to see the direct impact of your work reflected in both financial and product metrics at Headway.
• Enjoy the freedom to test bold hypotheses, with the potential to fully own a channel or user acquisition flow in the future.
• Want to collaborate closely with the Product team while sharpening your product marketing expertise.
• Love working with a performance-driven team of people who are fully committed to results.
• Are eager to grow in a data-driven environment where experiments and analytics guide every decision.

• Value strong partnerships — we work closely with Google, Meta, and TikTok. 

   

What you will do:

• Scale Headway App’s user acquisition through Meta and TikTok Ads.
• Collaborate with the Product team to design new funnels and run product experiments.
• Analyze data, metrics, and test outcomes to make decisions grounded in data-driven insights.
• Improve funnel conversions (CRO) in partnership with the Product team.
• Test creatives, audiences, and bidding strategies to maximize growth.
• Work closely with Creative Marketing, Product Marketing, and Analytics teams to drive new user growth.

• Build and maintain automations and scripts to streamline campaign management and optimization.

   

What you need to join us:

• Proven experience with Meta Ads, including campaigns optimized for Purchases or Subscriptions.
• Strong knowledge of analytical tools: Meta Ads Reporting, Meta Advanced Analytics, Tableau, Mixpanel, Amplitude, etc.
• Solid understanding of marketing metrics.
• Ability to analyze data and uncover causal relationships.
• Solid understanding of event tracking principles via pixel and server-side (CAPI).
• Hands-on experience with Meta Events Manager to verify real-time event delivery (PageView, AddToCart, Purchase, etc.).
• Experience working on CRO initiatives with product teams is a strong plus.

• Alignment with the values of our team (SELECT).

   

What do we offer:

• Work within an ambitious team on a socially impactful education product.
• An office with a reliable shelter, generators, satellite internet, and other amenities.
• Access to our corporate knowledge base and professional communities.
• Personal development plan.
• Compensation for English language learning, external training, and courses.
• Medical insurance and full sick leave compensation.
• Company doctor and massage in the office.
• Sports activities: running, yoga, boxing, and more.
• Corporate holidays: we go n a week-paid holiday to rest and recharge twice a year.

• Supporting initiatives that help Ukraine. 

   

Working schedule

This is a full-time position with a hybrid remote option. It means that you can decide for yourself: whether you want to work from the office, remotely, or combine these options.

Are you interested?

Send your CV!

Hello everyone 👋

At Intobi, we're a software and product development company passionate about driving innovation and progress.

We help our clients succeed by delivering custom-built tech solutions designed to meet their unique needs.

Our expertise lies in developing cutting-edge Web and Mobile applications.

We’re looking for a success-driven React Developer for one of our clients.

Full-time, long-term position with the flexibility to work either from the office or remotely.

About the project:

B2B eCommerce platform (Similar to a custom-built Shopify).

Goal: To rewrite the existing frontend (HTML + CSS + JS) using React.js / Next.js and continue the development of new features.

Requirements:

— 4 years of commercial experience working with React.js and Next.js.

— Strong proficiency in JavaScript (ES6+), HTML5, CSS3, and SASS/SCSS.

— Hands-on experience with REST API integration and a solid understanding of SSR (Server-Side Rendering) and SEO optimisation.

— Practical experience with version control systems (Git).

— Nice to have: Experience with Tailwind CSS or Material UI.

— Spoken English (B2+).

What we offer:

— Competitive salary;

— Paid vacation and sick leaves;

— Paid day off (Ukrainian holidays);

— Flexibility to work either from our cosy office or remotely;

— 8 hours working day, 5 days a week;

— Career growth potential;

— Free snacks, fruits, and drinks;

— Friendly team and corporate events.

Please send your CV here or via email

Should the first stage be successfully completed, you’ll be invited to a personal interview.

We are building one of the most powerful live-streaming platforms, already connecting 400K+ monthly active users through live events, interactive video chats, and real-time community experiences. Our mission is bold: bring joy, fight loneliness, and deliver safe, ad-free entertainment that keeps people coming back.
This is a complex, fast-moving space, and we love it that way! So, you will join a passionate, expert team tackling everything from scaling AI-powered recommendations to launching high-impact, data-driven features that boost monetization and engagement. Every idea counts here, and every release reaches a massive global audience.
We are now expanding into Arab countries and Europe, enhancing content quality, and rolling out new features to keep users hooked. We are among the Top 5 streaming products in the US and rank in the Top 10 worldwide. Our next milestone: break into the global Top 5, and we are moving fast to make it happen.

About the role: In this role, you will strengthen our product analytics by bringing senior-level expertise in statistical analysis, retention analytics, and experimentation. From your first weeks, you’ll dive into our product, data pipelines, and key metrics, delivering deep insights into retention and monetization, and independently running A/B tests to shape decisions at scale. Your input will help refine analytical processes and frameworks, directly influencing product strategy. With the chance to grow horizontally through diverse tasks, and to be involved in many of the company’s key processes, you’ll see the tangible impact of your work across the business.

In this role, you will

• Drive deep-dive analyses of user behaviour, retention, and monetization
• Independently design, monitor, and evaluate A/B tests and experiments
• Build, maintain, and improve analytical frameworks, dashboards, and reporting systems to ensure clarity and efficiency across the team
• Collaborate closely with product managers to define success metrics, uncover growth opportunities, and shape the product strategy
• Identify gaps and inefficiencies in current processes and elevate the team’s analytical capabilities by proposing smart improvements
• Ensure all product research meets the highest standards of statistical rigour, reliability, and scalability

It’s all about you

• 4+ years of experience in product or marketing analytics and working cross-functionally with product, marketing, and engineering teams
• Advanced SQL skills and a solid foundation in statistics, including hypothesis testing, causal inference, regression, and retention/survival analysis
• Proven track record in product analytics, ideally in transactional or subscription-based business models, with experience in designing and evaluating A/B tests
• Ownership mindset, strong communication skills and structural thinking that will allow you to  translate complex data into actionable business recommendations for both technical and non-technical stakeholders
   

Would be a plus

• Experience with GBQ, Python and R for analytics
• Familiarity with cohort analysis, LTV modelling, and churn prediction
• Regular usage of AI tools like ChatGPT, Claude AI, Gemini, or similar to support your work

What we offer

Care and support: 

• 20 paid vacation days, 15 sick days, and 6 additional days off for family events
• Up to 10 additional days off for public holidays
• 100% medical insurance coverage
• Sports and equipment reimbursement
• Team building events, corporate gifts, and stylish merch
• Financial and legal support
• Position retention and support for those who join the Armed Forces of Ukraine
• Participation in social initiatives supporting Ukraine
   

Comfortable working environment:

• Work from our Kyiv hub or remotely with a flexible schedule 
• Workspace rental reimbursement in other cities and abroad
• Modern equipment or depreciation of your own tools
   

Investment in your future:

• Collaborate with a highly-skilled team of Middle & Senior professionals, sharing practical cases and expertise in the social networking niche
• 70% of our heads and leads have grown into their roles here – so can you!
• Performance-oriented reviews and Individual Development Plans (IDPs)
• Reimbursement for professional courses and English classes
• Corporate library, book club, and knowledge-sharing events
   

Hiring process

• Intro call
• Technical interview
• Reference check
• Offer

The role is based in the Kyiv region, and we will expect you to work full-time in the office. We have a shuttle service from the nearest metro station.

About the Job

As a backend lead developer, you will be a key part of our new ground control station team to improve the capabilities and usability of our VTOL systems. You will take an empowering role: pushing the boundaries of drone technologies. You will be working closely with stakeholders from the Flight Control, AI, and System Test departments to improve and extend our ground control station software.

With the software development of features for our ground control station, you’ll support Quantum Systems‘ mission to transform decision-making processes through aerial data intelligence.

What is your Day to Day Mission:

• Design and implementation of features for our new ground control station software
• Participate in maintenance and improvement of existing ground control station software
• Optimization of UI and UX for drone use cases

• Execution of test procedures and flight tests

   

What you bring to the team:

• You have completed a technical university or a comparable background with a finished degree.
• You are highly experienced in application development, ideally with Rust, C++ or C# experience with automated testing or development, and optionally experience in drones, robots, and geoinformation systems.
• You are experienced in setting up development processes to achieve high delivery and maintenance effectiveness.
• You have a high learning ability and an independent way of working, strong programming skills with an interest in software design and quality.
• You have high-level analytical skills, able to design and lead technical decisions to the end goal.
• You have deep understanding on how things should be done vs how they’re usually implemented.
• You are highly self-motivated and drive your area of responsibility independently.
• Due to your open, communicative, friendly, and competent attitude, it is easy for you to be considered as an internal expert by your colleagues.
• Communication in English is a matter of course for you.

Why Quantum-Systems:

• We Stand with Ukraine
• We believe in the power of combined efforts: straightforward tech expertise paired with a customer-centric focus.
• We are industry pioneers who are ambitious, bold, and visionary.
• We push limits, think outside the box, and strive for technological excellence to shape the future of aerial data.
• We promise to be your runway for individual and professional growth.

Our client stands out in the online gambling sector and is known for offering exciting slot games around the world. With creative centers in Barcelona, Malta, and beyond, they are dedicated to creating high-quality games that deliver immersive user experiences. The company thrives through the collaboration of a global team of product development enthusiasts. 

Required skills:

• 3+ years of proven experience in team management and process development.
• Solid technical writing experience in software development, ideally using TypeScript.
• Knowledge of Confluence and Jira for document and project management.
• Deep understanding of software development life cycle and agile methodologies.
• Excellent writing, editing and communication skills, with the ability to translate complex technical information into easily digestible content.
• Experience or knowledge of the gaming or slot machine industry is very helpful as it indicates knowledge of the specific issues and language of the industry.

• Strong organizational skills.

   

Responsibilities:

• Writing detailed documentation on TypeScript codebases to make it easier for developers to use and understand. Responsibilities include creating inline code comments, API documentation, and maintaining version change logs.
• Develop internal documentation and product manuals aimed at a wide internal audience, including developers, artists, and audio engineers.

• Create and maintain an organized knowledge base in Confluence by integrating various white papers, guides, tutorials, and best practices.

   

Сompanу offer:

• A vibrant and innovative work environment within a leading company in the online gambling industry.
• The opportunity to be part of a global team of experts passionate about creating exceptional gaming experiences.
• Career development prospects and continuous learning opportunities.

We're looking for a proactive and detail-oriented Middle/Senior .NET Engineer to join our growing team. You will be instrumental in developing cutting-edge our solutions using modern .NET technologies and contributing to our innovative

What we are looking for:
Required:
•    3+ years of experience in C# and .NET development (.NET 6/.NET 8)
•    Strong experience with Blazor Server/WebAssembly for modern web applications
•    Solid knowledge of SQL databases and query optimization (SQL Server preferred)
•    Hands-on experience with Azure cloud services (App Service, Functions, Cognitive Services, Storage)
•    Experience with MongoDB and NoSQL database concepts
•    Understanding of RESTful APIs and modern web architecture patterns
•    Knowledge of Azure Service Bus for message queuing and event-driven architecture
•    Experience with version control systems (Git) and CI/CD pipelines
•    Fast-learning, attentive to details, proactive and mature in vision of deliverables

Will be a plus:
•    Experience with AI/ML integration and Azure Cognitive Services
•    Knowledge of Entity Framework Core and advanced LINQ operations
•    Familiarity with SignalR for real-time web functionality
•    Experience with automated testing frameworks (xUnit, NUnit)
•    Understanding of MCP (Model Context Protocol) and AI agent architectures
•    Knowledge of TypeScript and modern JavaScript frameworks
•    Experience with Azure DevOps and infrastructure as code
What you'll do:
•    Design and develop Blazor-based web applications with rich interactive UI components
•    Build and optimize AI-powered profile enhancement services using Azure Cognitive Services
•    Develop and maintain MongoDB data models and SQL Server reporting databases
•    Implement Azure Service Bus messaging patterns for scalable background processing
•    Create and consume RESTful APIs with proper authentication and authorization
•    Collaborate with AI/ML specialists to integrate advanced profile analysis capabilities
•    Write clean, maintainable code following SOLID principles and modern .NET best practices
•    Implement real-time features using SignalR for live progress tracking
•    Troubleshoot and optimize performance in cloud-native Azure environments

The interview process consists of:
1.    Intro call with our Solution Architect (15-60 min)
2.   Technical assessment (2-4 hours) - coding challenge involving C# and database design
3.    PI Tests (15-20 min)
 

We are a fast-growing fintech company and an industry leader in innovative digital solutions for corporate clients. Our team is looking for a proactive Sales Manager with proven expertise in B2B sales. This role is focused on actively driving sales, building relationships with clients, and achieving revenue targets.

WHAT DRIVES US:

✨ Clients First – Their success is our top priority. 

✨ Ownership – We take responsibility and follow through until the job is done.

✨ Flexibility – We value people who think flexibly and stay open to new ways of doing things.

✨ Growth Mindset – We learn, innovate, and welcome new ideas.

If these values sound like you, chances are you’ll thrive in our team.

Responsibilities:

• Handle the full sales cycle: from first outreach to deal closure and follow-ups.
• Conduct demo calls and deliver engaging product presentations.
• Follow the sales pipeline and optimise it.
• Maintain accurate CRM records and the lead base, provide reports to the Sales Lead.
• Identify client needs and guide them through a smooth and successful onboarding journey.
• Build and nurture long-term relationships with new and existing clients via chat and video calls.
• Handle Tier 1 support requests.
• Represent the company at conferences and industry events.

Qualifications:

• Proven experience in B2B sales (SaaS is a plus).
• Confident in English (B2+).
• Strong communication skills and a proactive mindset.

• Hands-on experience with client onboarding and demo calls/presentations.

   

We Offer:

🌍 Remote work from anywhere

⏰ Full-time, 11:00 - 20:00 (GMT+3)

🌴 Unlimited paid vacation days

🤒 10 paid sick days

🗣 English classes

📚 Take part in conferences worldwide

🎁 Presents from the company

📖 Trainings and courses

We are a fast-growing fintech company and an industry leader in innovative digital solutions for corporate clients. Our team is looking for a proactive Sales Manager with proven expertise in B2B sales. This role is focused on actively driving sales, building relationships with clients, and achieving revenue targets.

Responsibilities:

• Handle the full sales cycle: from first outreach to deal closure and follow-ups.
• Conduct demo calls and deliver engaging product presentations.
• Follow the sales pipeline and optimise it.
• Maintain accurate CRM records and the lead base, provide reports to the Sales Lead.
• Identify client needs and guide them through a smooth and successful onboarding journey.
• Build and nurture long-term relationships with new and existing clients via chat and video calls.
• Handle Tier 1 support requests.
• Represent the company at conferences and industry events.

Qualifications:

• Proven experience in B2B sales (SaaS is a plus).
• Confident in English (B2+).
• Strong communication skills and a proactive mindset.
• Hands-on experience with client onboarding and demo calls/presentations.

We Offer:

🌍 Remote work from anywhere

⏰ Full-time 🌴 Unlimited paid vacation days 🤒 10 paid sick days 🗣 English classes 📚 Take part in conferences worldwide

🎁 Presents from the company

📖 Trainings and courses

Come build something true with us.

We’re True Sea Moss, a fast-growing wellness brand built on the healing powers of one of nature’s oldest superfoods: sea moss.

No powdered promises. No pretty lies. Just clean, potent nourishment pulled from the wild and delivered to the people who need it most.

Learn more about our products: https://trueseamoss.com/

As we grow, we’re looking for an FP&A Analyst to turn data into direction. You’ll build models, track performance, and create dashboards that bring clarity to decision-making across Marketing, Operations, and Leadership. Your work will shape how we scale and where we invest next.

What You’ll Be Doing

• Build and maintain financial models for forecasting revenue, COGS, margin, and cash flow
• Develop and manage channel-level P&L reporting (Amazon, Shopify, TikTok, Wholesale)
• Partner with Marketing to measure CAC, LTV, ROAS, and subscription retention cohorts
• Produce automated dashboards for COGS, ad spend, and gross margin
• Support strategic initiatives including ERP rollout, R&D credit planning, and board-level reporting

What You Bring

• 2–4 years in FP&A or financial analysis, ideally in CPG or e-commerce
• Strong Excel/Google Sheets modeling skills; BI/dashboard experience a plus
• Understanding of subscription metrics (LTV:CAC, churn, cohorts)
• Strong analytical skills and ability to partner cross-functionally
• Clear communicator who can turn numbers into narratives

Why Work With Us

We’re building something with depth and direction. No shortcuts. No hype cycles. You’ll be part of a team that values clarity, care, and trust — and your insights will directly fuel the growth of a global wellness brand.

Here’s How We Back Our Words with Care

• Welcome pack and custom True Sea Moss merch to start strong
• Sports reimbursement to support your mental and physical well-being
• Additional vacation days beyond standard holidays
• Coaching & career development sessions to fuel your growth
• Corporate English lessons to sharpen communication
• WHOOP membership to support your health and recovery
• Coworking membership for flexibility and focus
• Sabbatical options after long-term contributions
• Travel and project grants to support personal growth and creativity

About the Role:
We’re looking for a Growth Product Manager to help us grow and improve our product. You’ll focus on optimizing conversion funnels, running A/B tests, and working with different teams to make our product experience even better. If you’re passionate about data, experimenting with ideas, and driving product growth, we want to hear from you!

What You’ll Do:

• Track industry trends and competitor activities to gain insights for growth
• Identify opportunities to optimize marketing funnels and increase conversions
• Develop ideas to increase revenue through upsells and product offerings
• Plan and run A/B tests to improve conversion rates and user experience
• Analyze key marketing metrics and propose improvements to make the product more profitable
• Work with marketing, creatives, product, and development teams to launch campaigns and improve features
   

What We’re Looking For:

• 1+ years experience in product marketing or a growth-related role
• Expertise in analyzing data and using it to make decisions
• Familiarity with tools like Amplitude, Google Analytics, or similar
• Ability to work with cross-functional teams to get things done
• Clear and concise in both writing and speaking. Upper-Intermediate English or higher
• Knowledge of pricing models and ways to increase revenue

What We Offer

• A passionate, skilled team with zero bureaucracy — just results
• Competitive salary that lets you focus on your work and personal growth
• Professional development: learning budgets for courses, workshops, conferences
• 20 days of paid vacation, health insurance, and regular sports activities
• A collaborative culture: team buildings and fun events inside and outside the office

About us
We are building a high-load decentralized platform at the intersection of blockchain and fintech: on-chain data indexing, trading automation, and integrations with DeFi and Web3.

Responsibilities

• Design and develop backend architecture: APIs, queues, indexers, bots/workers for on-chain event processing.
• Develop event-driven architecture with idempotency, exactly-once delivery (transactions + deduplication), outbox/inbox, retries, and DLQ.
• Integrate with Web3/EVM/Solana: read and process events, interact with smart contracts, manage nonces, handle reorg/finality, and multi-chain transactions.
• Work with Subgraph (The Graph): design schemas, implement TypeScript mappings, and optimize blockchain data indexing.
• Develop DeFi integrations: Uniswap v2/v3, AMM pools, pricing, liquidity, routing, slippage/MEV resistance.
• Optimize performance: profile hot paths, migrate critical components to Rust, ensure async/tokio efficiency, manage backpressure.
• Ensure observability and reliability: metrics/traces/logs (Prometheus, Grafana, OpenTelemetry), SLO/SLI tracking, degradation and fallback mechanisms.

• Provide leadership: define technical vision, mentor developers, conduct code reviews, prioritize backlog, and introduce best engineering practices.

   

Requirements

• 5+ years of commercial backend development experience.
• 3+ years in blockchain/DeFi (EVM, Solana, on-chain data, smart contracts, integrations).
• 2+ years in a Tech Lead or Team Lead role.
• Strong Rust experience: async/tokio, network programming, performance profiling.
• Proficiency with queues/events: RabbitMQ/AMQP, delivery guarantees, retries, DLQ, message contracts.
• Experience with Blockchain/DeFi: ABI, events, integration with Solidity and Solana programs, multi-chain interactions.

• Knowledge of Subgraph (The Graph): schema design, mappings, indexing optimization.

   

Nice to have

• Production experience with Rust (tokio, async, tracing), low-level performance profiling.
• Knowledge of Go (CLI/tools), ETL pipelines for on-chain data, DWH (ClickHouse/BigQuery).
• Experience with Layer 2 (Optimism, Arbitrum), cross-chain bridges/protocols.
• Experience with MEV, mempool monitoring, gas optimization.
• Familiarity with Web3 tools: Foundry, Hardhat, Ethers.js, web3.js, Anchor (Solana).

We’re looking for a proactive Data Scientist to join our growing team and help us redefine the future of eSports betting! You will develop and implement advanced models for esports betting, focusing on games such as Dota 2, League of Legends, etc. Oversee the entire model development lifecycle, including design, testing, and performance optimization.

What you’ll be doing:

• Develop and implement betting models using Python and Golang.
• Design and optimize mathematical models, including statistical models, classical machine learning techniques, and neural networks.
• Analyze the performance and impact of models, ensuring operational efficiency.
• Prototype and assess models to evaluate their effectiveness and user acceptance.
• Integrate models with existing systems and optimize performance.
• Collaborate with backend and frontend teams for seamless implementation and decision-making.
• Conduct in-depth statistical analysis and apply machine learning methods to enhance forecasting accuracy.

What we’re looking for:

• 3+ years of commercial experience with Python.
• Strong knowledge of statistics and practical experience with ML techniques.
• Proven expertise in mathematical modeling, including statistical methods, classical ML approaches, and neural networks.
• Strong data processing skills (validation, parsing, visualization).
• Understanding business logic of decisions and analytical thinking ability.
• Excellent communication skills and the ability to work in a team.
• Ability to assess the business value of tasks.
• English – Intermediate level.
• Nice to have: Higher education in computer science, mathematics, statistics, or a related discipline is a plus.

• Nice to have: Experience in the betting industry or related fields is an advantage.

   

What We Offer:

• Your wellbeing and a comfortable work environment are our top priorities:
• Flexible schedule & work format (office/hybrid): work where and when you feel most productive.
• 20 paid + 15 unpaid vacation days: take time off whenever you need to reset.
• An extra day off on your birthday — celebrate it your way!
• Medical insurance: take care of your health with extended coverage (available in Ukraine only).
• 22 sick days: 8 days without a doctor’s note (for sick leave or mental health), 10 with a note, plus 4 Personal Days per year — for personal matters, when it is necessary.
• Gifts and bonuses for life’s big moments: weddings, new babies, kindergarten support (available in Ukraine only).

Who We Are:

We’re DATA.BET — a product-driven IT company transforming the world of sports, esports, and virtual betting with our innovative sportsbook solution. 

Since 2017, we’ve been building tech that directly shapes the industry.
Our team of experts blends hands-on experience with AI technologies to deliver cutting-edge solutions that set new standards in betting.