Jobs at Djinni

Required Skills and Qualifications:

Net/C#, React/Angular

SQL

Demonstrates effective problem-solving skills

Experience in Front-End development utilizing HTML, CSS, JavaScript

Experience with RESTful services and JSON

Experience with Git

Ability to write clean, self-documented code

Troubleshoot problems with applications and services

Nice to have:

Experience in Testing is a plus

Node.js is a plus

We are an iGaming company with over three years of experience and a team of more than 1300+ specialists.
Our achievements include 10+ major projects that are popular among our clients and successfully operate in Tier 1–3 countries.
 

🚀 Your Mission

As a Promo Manager, you’ll be at the heart of our growth strategy — creating promotions that excite players, drive engagement, and generate revenue across multiple markets.

🔥 What You’ll Be Doing

🎯 Launch high-impact promotions
Create, test, and roll out creative promo campaigns to attract new players, re-engage existing ones, and boost revenue.

📊 Analyze & optimize performance
Track campaign results using key metrics like LTV, ARPU, ROI, conversion rate, and continuously improve performance.

🧠 Audience segmentation & personalization
Design tailored promotions for different player segments and deliver personalized offers via CRM tools.

🤝 Cross-team collaboration
Work closely with Marketing, CRM, Analytics, Product, and Development teams to ensure smooth implementation and optimization.

🎁 Bonus & loyalty programs
Manage welcome bonuses, cashback offers, VIP programs, and long-term loyalty initiatives.

🔍 Competitive & market analysis
Monitor competitor campaigns and market trends to stay ahead and launch smarter, stronger offers.

🎨 Promo materials & copy
Collaborate with designers to prepare banners, visuals, and promotional copy for campaigns.

✅ What We’re Looking For

✔️ 2+ years of experience in iGaming, online casino, gambling, or e-commerce (Promo / Marketing Manager or similar role)
✔️ Strong understanding of promo mechanics, bonuses, loyalty programs, and player engagement
✔️ Hands-on experience with CRM systems and analytics tools (Google Analytics, BI platforms, etc.)
✔️ Creative mindset — you enjoy experimenting and generating fresh promo ideas
✔️ Solid knowledge of marketing metrics (LTV, ARPU, ROI, conversion rates)
✔️ Confident copywriting skills and experience working with promotional materials
✔️ High level of ownership, ability to multitask, and work efficiently under pressure media

💎 Why You’ll Love Working With Us

🏡 Fully remote work
Monday–Friday, 10:00–19:00 (UTC+2) — no commuting, more life.

🌴 Paid vacation & sick leave
Plus a day off on your birthday 🎂

💰 Competitive salary
Your impact and results will be rewarded.

🎓 Internal events & knowledge sharing
Grow your expertise by learning from strong professionals.

🚀 No micromanagement
Flat structure, fast decisions, and open communication with any team member.

📈 Guaranteed professional growth
New skills, new markets, new challenges — we invest in your development.

Join the best!

Welcome to King Group - a place where the best people from the IT and gambling industries meet to do amazing things together. We operate numerous projects in the iGaming sector in the markets of Ukraine, Europe and the USA, invest in venture startups, promising ideas and people.
 

One of our companies is a game studio that deals with the full cycle of iGaming product development. From idea to release, we combine creativity, modern technologies and deep analytics to create a unique gaming experience. Our mission is to excite, inspire and shape the future of the industry.

Our company is looking for a math expert who has a drive and passion (perhaps some experience) for games.

Key skills (it's not necessary to have all key skills, but more is better than less):

• Higher education in mathematics or related fields (related to research, analytics or data processing);
• Have a strong math background (especially probability theory, statistics, combinatorics);
• Advanced knowledge of MS Excel (statistical, mathematical functions);
• Be proficient at one (at least) programming language (Python is preferable);
• Knowledge of one of the CAS (Mathematica, Mathcad, Maxima);
• Have a strong math background (especially probability theory, statistics, combinatorics);
• Have previous experience in gaming industry or (and) have experience in playing slots (or any other probabilistic games (poker, blackjack, etc));
• Understand the time and memory complexity of your code;
• Be keen on details (Yes, it's really important at this position);
• Understanding OOP Concepts;
• Experience in developing mathematical models.
   

Nice to have:

• Experience in using git;
• Experience in using JIRA.
   

Responsibilities: 

• Prepare math for slot games;
• Discuss with business/ propose new game ideas/new feature ides;
• Implement game logic of new features, games;
• Gather games' statistics by precise calculations / running simulations of the games;
• Make games attractive for players from the math side.
   

Why we:

• Social Package;
• Medical care;
• Sick Days;
• Professional development support;
• Family-like atmosphere. You can check it out yourself ;)
• Great career prospects.
  
  Do you want to grow with us? Do you have the desire to take an active part in creating a product? Send your resume and let's get to know each other ;)

We are seeking a highly skilled Senior iOS Developer proficient in Swift to join our dynamic team. As a Senior iOS Developer, you will be responsible for designing and implementing advanced applications for our utility suite on iOS devices. Your expertise will play a crucial role in enhancing our product functionality, performance, and overall user experience.

This is a project-based engagement (up to 3 months) with flexible working hours

Responsibilities:

• Design and build advanced applications for the iOS platform using Swift from a scratch
• Collaborate with cross-functional teams to define, design, and ship new features.
• Unit-test code for robustness, including edge cases, usability, and reliability.
• Continuously discover, evaluate, and implement new technologies to maximize development efficiency.
• Ensure the performance, quality, and responsiveness of applications.
• Mentor junior developers and assist in their professional growth.

Requirements:

• Proven experience as an iOS Developer, with at least 5 years of experience in Swift  and launching iOS applications from scratch, including architecture design, implementation, testing, and App Store deployment.
• Solid understanding of the full mobile development life cycle.
• Experience with Core Data for local data storage and offline support.
• Experience with Vision framework for image analysis and processing.
• Experience with third-party libraries and APIs.
• Strong knowledge of iOS UI design principles, patterns, and best practices.
• Experience working with remote data via REST and JSON.
• Excellent problem-solving skills and analytical thinking.
• Ability to work independently and as part of a team in a fast-paced environment.
• Familiarity with PhotoKit and Image I/O is a plus.

Preferred Qualifications:

• Experience with Agile development methodologies.
• Familiarity with cloud message APIs and push notifications.
• Published applications on the App Store.
• Contributions to open-source projects.

Inception-1 is a fast-growing product company building AI-driven products that help people feel more connected and less alone. Our mission is to create meaningful digital experiences that blend technology with empathy — and to prove that AI can be both human and transformative.
We partner with leading infrastructure providers and move fast, experimenting, iterating, and scaling what works. Everything we build goes straight to production and real users.

We’re looking for a Head of Payments  to build and scale a high-performing global payment infrastructure across our products
 

The range of tasks:

• Payment Infrastructure Performance – enhance efficiency and scalability;
• Business Development: market analysis of payment providers, searching for opportunities to expand and diversify the portfolio of payment methods and negotiate with payment providers & international banks;
• Regulatory Monitoring – stay ahead of industry changes;
• Strategic Partnerships – negotiate and build strong relationships;
• Knowledge Sharing – contribute to a collaborative, expert-driven environment;

What we expect from you:

• 5+ years of experience in payment solutions, PSP operations, or fintech.
• Background in high-growth tech companies or venture-backed startups.
• Proven experience in structuring complex business challenges, conducting market and competitor analysis, and driving data-driven decision-making.
• Strong expertise in financial modeling, business case development, and performance analytics.
• Ability to build and optimize business processes, improving operational efficiency and scalability.
• Excellent problem-solving, analytical, and strategic thinking skills.
• High-level communication and negotiation skills, ability to influence and drive business decisions.

What we offer:

• Flexible work schedule and remote work;
• If necessary, assistance with relocation to safe places and finding housing;
• Online services of a corporate doctor, and after the probationary period - health insurance in Ukraine;
• 20 working days of paid vacation per year, unlimited sick leave;
• All equipment necessary for work;
• Compensation for the best courses on the market, corporate online meetups and lectures, a large library, business and management schools for employees;
• Free training in running, volleyball, boxing, and yoga;
• Corporate discounts on gym memberships.

We’re Applyft— an IT product company which creates value-driven mobile apps. Our journey began with the Geozilla family locator product, but now our portfolio consists of six apps in Family Safety, Entertainment and Mental Health Spheres.

Now we are looking for a Strong Middle PHP Developer to join our Engineering team.

What you’ll do:

1. Develop and maintain admin panels in a high-load microservices environment
2. Ensure security, scalability, and performance optimization of backend systems
3. Collaborate closely with the Mobile, Frontend, DevOps, and QA teams to ensure seamless delivery
4. Write unit tests using PHPUnit to ensure high code quality and coverage
5. Troubleshoot, debug, and optimize backend applications
6. Participate in architectural discussions and contribute to adopting DDD principles.
7. Integrate internal tools with other systems and databases.

About You:

1. 3+ years of experience in backend development with PHP (Symfony framework)
2. Strong experience with Docker.
3. Hands-on experience with microservices architecture in production environments.
4. Proficient in building and consuming REST APIs.
5. Solid knowledge of SQL and experience with MySQL or other relational databases.
6. Experience with message queues such as RabbitMQ or SQS for asynchronous processing.
7. Good understanding of testing principles and experience with PHPUnit.
8. Knowledge of caching tools like Redis or Memcached for performance optimization.
9. English level: Intermediate.
10. Strong team player with exceptional communication and problem-solving skills.

Will be a plus:

1. Familiarity with NoSQL databases like MongoDB or Redis.
2. Understanding of Domain-Driven Design, Event-Driven Architecture and CQRS.
3. Experience with Laravel.
4. Experience with integrating marketing analytics systems and developing internal tools for creative management and automated launch of Facebook/Google marketing campaignsy with NoSQL databases like MongoDB or Redis.

We Offer:

• Remote-First culture: We provide a flexible working schedule and you can work anywhere in the world.
• Health taking care program: We provide Health insurance, sport compensation and 20 paid sick days.
• Professional Development: The company provides budget for each employee for courses, trainings and conferences.
• Personal Equipment Policy: We provide all necessary equipment for your work. For Ukrainian employees we also provide Ecoflow.
• Vacation Policy: Each employee in our company has 20 paid vacation days and extra days on the occasion of special evens.
• Knowledge sharing: We are glad to share our knowledge and experience in our internal events.
• Corporate Events: We organize corporate events and team-building activities across our hubs.

We are a consulting company operating in the finance and cryptocurrency sector. We have an open remote position for a Customer Support Managers: English language. 

Job Details:
 

Location: The candidate must be located in Ukraine, as the company provides work equipment (laptop and headset).

Employment Type: Unofficial employment (Temporary) 
Working Hours: Monday to Friday, 9 hours per day.
(Including a lunch break and two 15-minute breaks)

Responsibilities: Provide oral and written consultations to clients regarding any questions related to the company's operations. There are no outbound calls or sales involved; the line is exclusively for incoming calls.

Salary: paid to a cryptocurrency wallet. If you have not used this method before, we will guide you through the process.
For more details, we can discuss via phone call or online interview.

We are a consulting company working in the field of finance and cryptocurrency.
We have a job opening for a remote (from home) call quality control manager: English language
 

Information about vacancies:
* The employee must be in Ukraine, because the company provides equipment for work
* Non-official employment (temporary)
* Schedule Monday-Friday, from 10 a.m. to 7 p.m. (including lunch and two 15-minute breaks)
* Responsibilities: The job involves listening to calls of our employees with clients that have already been recorded and checking them for errors. That is, did our employee violate company rules, etc.
Calls, sales or correspondence with customers are not provided. 
* Salary we pay in a crypto wallet. If you haven't worked with it yet, don't worry, we'll tell you how it works.

We can discuss in more detail tomorrow during a phone conversation 😊

We are seeking an experienced Data Scientist with a passion for large language models (LLMs) and cutting-edge AI research. In this role, you will design and prototype data preparation pipelines, collaborating closely with data engineers to transform your prototypes into scalable production pipelines, design and implement a state-of-the-art evaluation and benchmarking framework to measure and guide model quality, and do end-to-end LLMs training. You will work alongside top AI researchers and engineers, ensuring our models are not only powerful but also aligned with user needs, cultural context, and ethical standards.

What you will do

• Curation of datasets for pre-training, supervised fine-tuning, and alignment;
• Research and develop best practices and novel techniques in LLM training and evaluation pipelines;
• Collaborate closely with data engineers, annotators, linguists, and domain experts to scale data processes, define evaluation tasks and collect high-quality feedback.

Qualifications and experience needed
Education & Experience:

• 3+ years of experience in Data Science or Machine Learning, preferably with a focus on NLP;
• An advanced degree (Master’s or PhD) in Computer Science, Computational Linguistics, Machine Learning, or a related field is highly preferred.

GenAI & NLP Expertise:

• Practical experience with fine-tuning LLMs / VLMs models;
• Hands-on experience with modern NLP approaches, including embedding models, semantic search, text classification, sequence tagging (NER), transformers/LLMs, RAGs.

ML & Programming Skills:

• Strong experience with deep learning frameworks such as PyTorch or JAX for building models;
• Ability to write efficient, clean code and debug complex model issues.

A plus would be
Advanced NLP/ML Techniques:

• Applied experience using Reinforcement Learning in NLP / LLM settings;
• Prior work on LLM safety, fairness, and bias mitigation;
• Experience generating and curating synthetic datasets for Supervised Fine-Tuning (SFT), including quality control and scaling considerations.

Research & Community:

• Publications in NLP/ML conferences or contributions to open-source NLP projects;
• Active participation in the AI community or demonstrated continuous learning (e.g., Kaggle competitions, research collaborations) indicates a passion for staying at the forefront of the field.

MLOps & Infrastructure:

• Hands-on experience with containerization (Docker) and orchestration (Kubernetes) for ML, as well as ML workflow tools (MLflow, Airflow);
• Experience in working alongside MLOps engineers to streamline the deployment and monitoring of NLP models;
• Experience with cloud platforms (AWS, GCP, or Azure) and big data technologies (Spark, Hadoop, Ray, Dask) for scaling data processing or model training is a plus.

Problem-Solving:

• Innovative mindset with the ability to approach open-ended AI problems creatively;
• Comfort in a fast-paced R&D environment where you can adapt to new challenges, propose solutions, and drive them to implementation

What we offer

• Office or remote — it’s up to you. You can work from anywhere, and we will arrange your workplace;
• Remote onboarding;
• Performance bonuses;
• We train employees with the opportunity to learn through the company’s library, internal resources, and programs from partners;
• Health and life insurance;
• Wellbeing program and corporate psychologist;
• Reimbursement of expenses for Kyivstar mobile communication.

About the project:

Boards is an Israeli-founded, mobile-first sales enablement platform designed to streamline communication and enhance productivity for direct sellers, distributors, and businesses of all sizes. The platform consolidates essential sales and marketing content, such as messages, images, videos, and links, into organized, shareable boards. This setup allows users to quickly access and distribute information, facilitating efficient customer interactions and team collaboration.

Technological stack: Java, Selenide, Appium.

Responsibilities:
 

• Maintain, enhance, and optimize an existing scalable mobile test automation framework.
• Collaborate with the development, QA, and product teams to understand project requirements and ensure seamless automation integration.
• Write and execute automated test scripts for mobile applications on both Android and iOS platforms.
• Maintain and improve existing automation processes, ensuring high code quality and test coverage.
• Identify and resolve bottlenecks in the automation pipeline, troubleshooting failures, and improving overall performance.
• Improve and extend reusable code libraries to support ongoing and future automation needs.

• Stay up-to-date with the latest tools and industry trends in test automation.
  
  Requirements:

   

• 4+ years in automation testing for mobile & web.
• 2+ years of experience with Appium.
• Solid programming skills in languages such as Java or Kotlin.
• Ability to develop and execute test strategies for mobile applications across different platforms (iOS, Android).
• Strong CI/CD experience (Jenkins, GitHub Actions, GitLab CI, etc.).
• Experience with reporting tools.
• Familiarity with Git-based version control and best practices.
• Upper-Intermediate English proficiency (ability to pass a technical interview in English and collaborate effectively on an international team).

• Strong soft skills: communication, proactivity, and a positive attitude.
  
  Benefits:

   

• Fully remote collaboration
• 20 business days of paid annual vacation, 4 paid sick days, and two additional paid holidays
• Startup energy, stable environment — backed by a successful product with millions of users
• Needed software license reimbursement
• Collaborative and supportive team, where initiative is always valued

• Annual salary review based on performance and contribution
  
  Our hiring process:

   

1. Screening interview with a recruiter (under 30 minutes)

2. Interview with QA Lead (1 hour)

3. Interview with AQA Engineer (1.5 hours)

4. Interview with VP of R&D (45 minutes)

5. Interview with VP People (30 minutes)

Required skills:
1. Software Engineering education or similar is MUST
2. Knowledge and understanding of OOP or functional paradigms
3. Commercial experience  in building web solutions using Node.js (Nest.js) and React.js / Next.JS from 1+ year
4. English — intermediate strong or higher

5. You live in Lviv only; we consider candidates from Lviv only. 
 

Responsibilities:
— Full cycle of developing a web application (frontend/backend/database): development features from scratch, bug fixing, code refactoring, application deployment using JS ecosystem (Node.JS (Nest) and React, Vue sometimes)
— Working with a mentor who helps you to learn and boost your skills with maximum speed. Challenging internal and Client projects, code review, and training materials are waiting on you as well )))

Ми Пропонуємо

💰 Компенсація: ставка з привязкою до USD

🚀 Карєрний розвиток

🏝️ 18 робочих днів відпустки

🤒 10 робочих днів лікарняних

👶 3 робочі дні — на випадок важливих подій

👌 Гнучкий графік

✅ Бухгалтерський супровід

🥳 У свій ДН також компанія дарує вихідний день

✅ Можливість бронювання
👌 За бажанням працювати, як з офісу так і з дому, але шукаємо людину, яка знаходиться географічно у Львові наразі

We are looking for an experienced Mobile Game Developer to build high-quality mobile games using the Stake Engine. This role focuses on developing production-ready crash and RNG-based games with strong performance, clean architecture, and polished execution.

You will be responsible for the full development cycle, from gameplay logic and math implementation to integration and final launch on the Stake platform.

🔹 Responsibilities

• Develop mobile games using the Stake Engine
• Build complete crash-style games 
• Implement and validate RNG logic and RTP calculations
• Integrate game logic, UI, and backend services
• Optimize performance and stability for mobile devices
• Prepare games for deployment and launch on Stake Engine

🔹 Requirements

• Proven experience in mobile game development
• Strong portfolio of shipped mobile games
• Experience working with Stake Engine or similar game engines (big plus)
• Solid understanding of RNG systems and probabilistic game logic
• Ability to write clean, maintainable, and well-structured code
• Strong attention to quality and performance

🔹 Nice to Have

• Experience with casino / iGaming / crash-style games
• Knowledge of backend integration and server communication
• Familiarity with compliance and fairness requirements

Metamindz is a UK-based IT software company providing fractional CTO services and building high-tier digital products. 

We are looking for a Senior Software Engineer to join a very early-stage, self-funded startup that is building a mobile-first product aimed at transforming how pet-care businesses(dog walking, pet sitting, training, etc.) operate day-to-day.

The product will help pet-care companies manage schedules, assign freelancers (dog walkers, sitters, trainers), handle invoices and receipts, and run their operations more efficiently - all from a single mobile app.

This position is for a strong, product-minded engineer that would be excited about building the first production version of the app.

Responsibilities:

• Build and ship the first version of a React Native mobile application from existing designs
• Implement core product features including scheduling, assignments, and basic operational workflows
• Develop and maintain a backend using NodeJS and TypeScript
• Work with Supabase or Firebase for authentication and real-time features
• Design and work with SQL databases, ensuring clean schemas and reliable data flows
• Handle app submissions and updates for App Store and Google Play
• Collaborate closely with founders and product stakeholders
• Use AI tools pragmatically to increase development speed and quality, while reviewing and owning the output
• Write clean, maintainable, and production-ready code with a strong sense of responsibility

Requirements:

• 4+ years of commercial experience with React Native
• Proven experience publishing apps to the App Store and Play Store
• 3+ years of commercial experience with NodeJS and TypeScript
• Hands-on experience with Supabase and/or Firebase
• Strong understanding of SQL databases and experience using ORMs
• Solid engineering fundamentals and ability to work independently
• Professional proficiency in English (written and spoken)
• Strong soft skills, clear communication, and ownership mindset
• Comfortable using AI as a productivity multiplier
   

Nice to Have:

• Experience working with very early-stage or lean startups
• Product-oriented mindset and ability to make pragmatic technical decisions
• Previous experience building MVPs or v1 products from scratch

What We Offer:

• Short-term contract engagement (3–4 months) with clear scope and ownership
• Fully remote work and flexible schedule
• Direct impact on a real product from day one
• Minimal process, no bureaucracy, no micromanagement
• Opportunity to shape the technical foundation of a growing product
• Competitive contract compensation, aligned with seniority and impact

How to apply:

Please send a short blurb about yourself and your favorite ice cream flavor (mine is cherry) :)

Affiliate Manager (iGaming) – Join RoyalFlush Affiliates!

We are a rapidly growing casino affiliate network, working with top casino brands worldwide. We are looking for an experienced Affiliate Manager with a strong portfolio to join our team and drive high-quality traffic to our partners.

https://royalflushaffiliates.com
 

Responsibilities:

Manage, and build relationships with affiliates.
Develop and execute strategies to maximize affiliate performance.
Negotiate deals and commissions to ensure optimal profitability.
Analyze campaign performance and optimize traffic sources.
Stay up to date with industry trends to identify new opportunities.
 

Requirements:

✅ English B2+

✅ Great written and verbal communication skills.

✅ Proven experience as an Affiliate Manager in the iGaming industry.
✅ Strong portfolio of successful affiliate partnerships and networks.
✅ Knowledge of affiliate marketing platforms, analytics, and tracking tools.
✅ Excellent negotiation and relationship-building skills.
✅ Ability to analyze data and optimize traffic sources.
 

What We Offer:

Competitive fixed salary + high-performance bonuses.
Work with exclusive casino deals and high-payout programs.
Flexible schedule & remote work options.
Growth opportunities in a leading affiliate network.

Ready to take your affiliate career to the next level? Apply now!

Remote work.

Online interview in English!

RoyalFlushAffs is a fast-growing performance marketing network connecting high-quality traffic sources with leading Forex and Crypto brands worldwide.

We’re expanding our media buying team and looking for a skilled Crypto Media Buyer who knows how to turn ad spend into measurable, scalable results.

🔹 Responsibilities

• Launch, manage, and scale paid campaigns across Facebook, Google, TikTok, Native, UAC, and other platforms
• Optimize funnels to improve lead quality, conversion rates, and ROI
• Manage daily budgets and meet performance KPIs
• Test and optimize creatives, audiences, angles, and landing pages
• Analyze campaign data and adjust strategies to maximize profitability
• Collaborate with the creative team to build high-performing ad assets
• Identify new GEOs, traffic sources, and scaling opportunities
• Ensure campaigns follow platform policies and compliance standards
   

🔹 Requirements

• Proven experience in Forex and/or Crypto media buying (mandatory)
• Strong understanding of paid traffic mechanics and performance optimization
• Hands-on experience with Facebook Ads, Google Ads, TikTok, Native, or Push
• Ability to manage budgets responsibly and scale winning campaigns
• Data-driven mindset with strong analytical skills
• Creative thinking combined with a performance-focused approach
   

🔹 What We Offer

• Competitive base salary + performance-based bonuses
• High budgets and freedom to test and scale
• Access to exclusive Forex & Crypto offers with strong CRs
• Fully remote work with a flexible schedule
• Long-term cooperation and growth opportunities