Jobs at Djinni

RISK inc: An International iGaming Company Pushing the Boundaries of Entertainment
 

Who We Are:

An international iGaming company specializing in identifying and fostering the growth of high-potential entertainment markets. With 1000+ professionals in 20+ locations, we operate in 10 countries, serving over 300,000 customers.
 

Always Pushing the Boundaries? You Already Belong at RISK!

Our global-scale operations are based on strong internal expertise, analytics, and data research. We have expertise in iGaming operations (sports betting, online casino), digital and affiliate marketing, tech solutions, and data analytics.

Job Description:

• User Behavior Analysis: Funnel analysis for registration, deposit, betting, and withdrawals.
• Monitoring key product KPIs such as retention, churn, LTV, session length, etc.
• Generate performance reports to identify which features drive user engagement and revenue.
• Hypothesis Support & Validation: Collecting and analyzing data to validate or reject product hypotheses.
• Working closely with UX/UI teams to improve the user experience based on insights.
• Create a presentation with the performance results of the project on a regular basis.

Qualifications:

• Experience of 2+ years of working with a b2c product, as a Product Analyst or Performance Analyst.
• Proven ability to analyze and interpret complex data, identify trends, and provide actionable insights.
• Strong knowledge and experience using Tableau or Power BI.
• Proven experience with SQL.
• Strong communication skills with the ability to collaborate cross-functionally with finance, marketing, and operations teams.

• Familiarity with data visualization best practices and presenting insights to stakeholders.

   

Additional Information

Our Benefit Cafeteria is Packed with Goodies:

• Children Allowance
• Mental Health Support
• Sport Activities
• Language Courses
• Automotive Services
• Veterinary Services
• Home Office Setup Assistance
• Dental Services
• Books and Stationery
• Training Compensation
• And yes, even Massage!

Junior JavaScript / NestJS Developer

Junior JavaScript Developer with experience in backend development using NestJS and Node.js. Skilled in building and maintaining REST APIs, implementing server-side logic, working with databases, and supporting existing applications. Familiar with JavaScript, NestJS, Git, and basic software development principles, including clean code practices and debugging.

Worked with API integrations, database queries, authentication flows, and application performance improvements. Comfortable collaborating in team environments, following technical requirements, and learning new tools and frameworks quickly.

Looking for an opportunity to contribute to a product-focused team, grow as a backend developer, and deepen expertise in JavaScript ecosystem and scalable backend development.

📍 Location: EU only
🕒 Full-time | Long-term project (initially 6 months+)
🕘 Working hours: 9:00–18:00 CET
 

We’re looking for a strong Senior NLP & Python Developer to join an innovative AI-powered healthcare product focused on clinical trial automation and protocol intelligence.

The product is a next-generation Clinical Trial Management System (CTMS) that uses AI to analyze complex medical protocols (100–400+ page documents) and transform them into structured, executable workflows for research sites and clinical operations teams.

You’ll work on advanced NLP/RAG pipelines, scalable backend architecture, and AI systems that must meet strict healthcare compliance and auditability requirements.

What you’ll work on

• Designing and optimizing RAG pipelines for medical protocol parsing
• Building AI-powered extraction systems using LangChain, LangGraph, LLMs, and VLMs
• Improving AI traceability, reproducibility, and deterministic outputs
• Developing scalable backend services with FastAPI and PostgreSQL
• Working with vector databases (pgvector) and embedding pipelines
• Implementing document classification and extraction workflows
• Enhancing observability, validation, monitoring, and testing
• Supporting validation-ready and compliance-oriented architecture
• Improving performance and scalability of AI/ML infrastructure

Tech Stack

• Python 3.14
• FastAPI
• SQLModel / SQLAlchemy / Pydantic v2
• PostgreSQL + pgvector
• LangChain / LangGraph
• Docker / Docker Compose
• Celery
• Redis
• RabbitMQ
• NLP / LLM / VLM pipelines

Requirements

• 5+ years of commercial Python development experience
• Strong experience with FastAPI and SQLAlchemy
• Deep knowledge of PostgreSQL (schema design, indexing, optimization)
• Experience with Docker and microservice architecture
• Hands-on experience with LangChain and RAG systems
• Experience with vector databases (preferably pgvector)
• Strong understanding of embeddings, prompt engineering, and AI orchestration
• Experience with Celery, Redis, RabbitMQ
• Practical experience with document extraction / NLP systems
• Experience working in regulated industries (healthcare, fintech, life sciences, etc.)
• Strong architectural and system-design mindset
• Upper-Intermediate+ English

Nice to have

• Experience with GxP or healthcare-compliant AI systems
• Experience with AI explainability and auditability
• Familiarity with Ruff, Poetry, pre-commit hooks
• Experience scaling AI-heavy platforms

Team

You’ll collaborate with:

• ML Architect
• Senior ML/Python Engineer
• Frontend Engineer
• QA Engineer
• BA & PM

This is a high-impact role where you’ll directly influence the architecture of a complex AI healthcare platform.

📩 If you have strong Python + NLP/RAG expertise and want to work on meaningful AI systems in healthcare — apply now.

The company is looking for a Generalist Technical Artist – Playables Engineer with strong game design intuition and a passion for creating engaging interactive experiences.

This role focuses on building, iterating, and polishing HTML5 playable ads where gameplay, visuals, and interaction come together seamlessly. The ideal candidate combines technical art expertise with lightweight coding skills and a strong understanding of what makes games feel fun, responsive, and satisfying.

 

Core Responsibilities
 

Own the visual execution and interactive feel of short-form game experiences by combining:

• Optimized 2D and 3D art creation
• Lightweight game-focused coding
• Strong understanding of gameplay mechanics and player experience
• Rapid prototyping and iteration workflows
  
   

Key Responsibilities
 

Technical Art & Animation

• Create and optimize 2D/3D assets for playable ads
• Work with Blender, Photoshop, and After Effects
• Handle:
  • Model editing and cleanup
  • Asset optimization
  • Materials, lighting, scale, and pivots
  • Exporting game-ready assets such as GLB files and textures
• Animate UI, gameplay feedback, VFX, and characters
• Integrate visuals into HTML5 playable pipelines
• Ensure strong visual quality while maintaining mobile performance
   

Gameplay & Interactive Development

• Use AI tools and agentic workflows to rapidly create gameplay systems, animations, assets, and interactive experiences
• Write, modify, and debug JavaScript / TypeScript to:
  • Control gameplay behavior
  • Tune timing, pacing, and feedback
  • Connect visuals with interaction logic
  • Create a satisfying polish and game feel
• Work with AI coding assistants and modern creative development tools
• Contribute to rapid prototyping and AI-assisted game development pipelines
• Experiment with emerging AI technologies for game creation and interactive content
  
   

Required Qualifications
 

• 3+ years of experience in Technical Art, Game Art, Playables, or Interactive Design
• 3+ years of hands-on experience with Blender creating game-ready 3D assets
• 2+ years of experience building interactive HTML5 playable ads using web-based game frameworks
• Experience within the mobile gaming industry
• Strong experience with:
  • HTML5
  • JavaScript / TypeScript
  • Node.js
  • Pixi.js
  • Three.js
  • GitHub
• Strong understanding of game mechanics, game feel, player feedback, and gameplay polish
• Experience creating mobile game animations, UI animations, VFX, and gameplay feedback
• Experience using AI tools, agentic workflows, and AI coding assistants

• Understanding of mobile optimization and lightweight playable ad performance constraints
   

  Nice to Have

• Unity or Unreal Engine experience
• GLSL or custom shader experience
  
   

Why Apply?
 

This is an exciting opportunity to work at the intersection of gaming, creativity, and emerging AI technologies. They are looking for someone who is passionate about building engaging interactive experiences, experimenting with new tools, and pushing the boundaries of playable content creation.
 

If you enjoy combining art, gameplay, and technology to create experiences that players instantly connect with, they would love to hear from you.

Location: Remote (Europe)
Experience Level: 5+ years

About the Project
We are looking for a Senior Backend Developer (close to Architect level) to design and build core backend services for the ORA platform. The role is focused on secure cloud integration using KMIP and Barbican, with strong involvement in cryptography, Kubernetes, and open-source technologies.

Key Requirements

Must have:

• Senior-level experience in backend development with Java, Golang, or Python
• Proven hands-on experience in crypto-related projects (clearly visible in CV)
• Strong understanding of cryptography, including TLS and data encryption
• Practical expertise with Kubernetes (infrastructure and management layers)
• Experience working with OpenStack
• Solid background in unit and integration testing
• Experience designing and maintaining distributed systems and core backend services
• English level: Upper-Intermediate / Advanced (C1+)

Nice to have (at least one of):

• Experience with KMIP and key management systems
• Knowledge of Barbican or similar solutions
• Understanding of cloud convergence and ORA architecture
• Experience with microservices scalability and performance optimization
• Familiarity with open standards and open-source integrations

Tech Stack
Java, Golang, Python, Kubernetes, OpenStack, Unit Testing, Integration Testing

Responsibilities

• Design and develop core backend services for ORA
• Integrate with KMS via KMIP (e.g., Barbican, Ceph)
• Build and manage Kubernetes-based infrastructure (CRDs, operators, controllers)
• Implement secure communication using TLS and encryption mechanisms
• Collaborate with architecture and infrastructure teams
• Develop and maintain unit and integration tests
• Participate in architectural decisions and provide technical leadership

Senior Python Engineer (AI-driven Recommendation Platform, iGaming domain)

About the Product

We are developing an AI-powered performance optimization platform for online casinos and sportsbooks. The solution helps operators improve key business metrics by increasing player engagement and loyalty through personalized recommendations and predictive analytics.

The platform collects and processes player behavior data across multiple systems, builds detailed user profiles, and generates actionable insights, including:

• identifying players who misuse bonus programs without long-term retention
• detecting patterns of risky or excessive gaming to support responsible play
• recommending relevant games and activities based on user preferences and behavioral history

You will join a team building scalable recommendation systems, working with large volumes of data, and implementing ML-driven personalization to enhance user experience within iGaming products.

Requirements

• 5+ years of backend development experience with Python
• Strong foundation in mathematics, statistics, or computer science
• Hands-on experience with FastAPI, Django, or Flask
• Solid knowledge of data structures, algorithms, and distributed systems
• Experience with SQL and NoSQL databases (PostgreSQL, Redis, DynamoDB, MongoDB, etc.)
• Practical experience with Kafka or RabbitMQ and asynchronous architectures
• Cloud experience with AWS (Lambda, S3, RDS, SQS, etc.)
• Experience designing and maintaining high-load, scalable systems
• English level — B2 or higher

Nice to Have

• Experience with recommendation systems, data analysis, or ML-based personalization
• Understanding of data pipelines and ETL processes
• Experience with Kubernetes, Docker, and CI/CD pipelines
• Familiarity with Elasticsearch and monitoring/visualization tools (Grafana, Kibana)

Responsibilities

• Design and develop scalable backend services for AI-powered recommendation systems
• Collaborate with data scientists and ML engineers to deploy models into production
• Optimize data storage, processing, and retrieval for large-scale user datasets
• Ensure system reliability, performance, and scalability
• Take part in architectural discussions, code reviews, and mentoring
• Contribute to new features aimed at increasing player engagement and retention

Tech Stack

Python, FastAPI, Django, Flask, Kafka, RabbitMQ, PostgreSQL, Redis, DynamoDB, AWS (Lambda, S3, RDS, API Gateway, CloudWatch), Kubernetes, Pandas, NumPy, SQLAlchemy, Celery, Elasticsearch, Prometheus, Grafana.

Company
The company specializes in lead generation within the iGaming domain, primarily through SEO-driven solutions. They work on long-term client projects and are currently expanding their internal development team.

Position Overview

We are looking for a Lead / Senior Full-Stack Engineer who operates at a true senior / lead level — not by years of experience, but by depth of expertise and ownership.

This role is for someone who:

• takes full ownership of complex systems
• makes architectural decisions
• builds scalable solutions (not just features)
• sets and raises engineering standards within the team

Location & Format

• Remote
• EU time zone required
• Full-time, long-term cooperation

Language Requirements

• English — required for daily communication
• Strong English is a significant advantage

Team & Projects

You will join a stable team working on long-term lead generation platforms.

This is not a task-execution role. We expect you to:

• take ownership of complex technical decisions
• improve architecture and system performance
• raise the overall engineering bar within the team

Tech Stack

• PHP (Symfony)
• WordPress
• JavaScript
• HTML / CSS

Key Requirements

WordPress (must-have, advanced level)

• Experience building complex, large-scale WordPress systems (not content websites)
• Hands-on experience with WordPress Multisite (production)
• Strong experience with custom plugin development, including:
  • OOP
  • Composer / autoloading
  • Typed properties
• Experience with:
  • custom database structures
  • custom caching strategies (not plugin-based)
  • advanced use of WP_Query
  • improving developer & admin tooling

👉 If your experience is mostly theme customization or plugin usage — this role is not a fit.

PHP (strong senior level required)

• 5+ years with modern PHP (8+)
• Ability to design abstractions, libraries, and internal frameworks
• Experience with:
  • phpcs / phpcbf
  • custom sniffs OR PHPParser / AST
  • reflection & introspection
  • DTOs, Value Objects, clean architecture principles

Frontend / CSS

• Strong modern CSS skills (must-have)
• Understanding of browser rendering, layout, and performance

Performance & Optimization (critical)

• Deep understanding of Core Web Vitals
• Real experience with performance optimization (not just tools/plugins)
• Ability to identify bottlenecks and design custom solutions

Mindset & Approach

We are looking for engineers who:

• think analytically and architecturally
• deeply understand systems, not just tasks
• challenge “working solutions” and improve them
• proactively raise engineering standards

👉 If you mainly execute tasks and rely on predefined solutions — this role is not a fit.

AI Usage

• AI is allowed, but must not be a dependency
• Strong preference for engineers with deep system understanding
• AI-generated communication is discouraged

Start Date

• ASAP

Domain: iGaming / Gambling
Format: Product company
Experience: 5+ years

About the Company

We are an international product company operating in the gambling sector. Our platform delivers real-time personalization for casino and sportsbook products using advanced machine learning. The solution processes live behavioral, transactional, and contextual data to improve player engagement, retention, and overall performance for operators worldwide.

Our focus is on building production-grade ML systems that directly influence what users see in real time — from game recommendations to personalized content and promotions.

Role Overview

We are looking for a Senior Data Scientist to join a product-focused team working on real-time personalization and recommendation systems for iGaming platforms.

This is a hands-on role that combines modeling, experimentation, and close collaboration with engineering and product teams in a high-load, real-time production environment.

Main Responsibilities

• Develop ML-driven features for casino products using supervised learning (regression, ranking, classification)
• Maintain and improve existing recommendation systems in production
• Enhance models using gradient boosting and other supervised approaches
• Perform data cleaning, preprocessing, and feature engineering
• Design and maintain pre- and post-processing workflows
• Optimize training and inference pipelines for performance and reliability
• Integrate ML models into Airflow pipelines in a multi-tenant environment
• Adapt and configure the solution for different clients (tenants)
• Collaborate closely with product and engineering teams on experimentation and feature delivery

As Part of the Team You Will

• Work cross-functionally with data scientists, engineers, product owners, designers, and researchers
• Analyze large-scale datasets to extract insights for product and business decisions
• Propose, implement, and evaluate ML approaches to solve real business problems
• Support and evolve a recommendation solution used across multiple tenants
• Influence product strategy through research, experimentation, and data-driven insights into user behavior

Experience & Education

• 5+ years of professional experience in data science
• Degree in a quantitative field (Mathematics, Statistics, Computer Science, or similar)

Core Skills

• Strong proficiency in Python and SQL
• Hands-on experience with data processing tools (Pandas, Polars)
• Solid engineering skills for building and maintaining scalable ML systems
• Experience implementing observability in ML pipelines (metrics, logging, alerting)
• Knowledge of Docker and Kubernetes
• Strong analytical mindset with the ability to solve loosely defined problems
• Hands-on experience with supervised ML techniques, including:
  • Regression and ranking models (XGBoost, LightGBM, CatBoost, neural networks)
  • Feature engineering and model evaluation (AUC, NDCG, MSE, uplift metrics)
  • Personalization or recommendation systems
• Proven experience deploying ML models to production (near real-time or batch)
• Solid understanding of statistical methods (A/B testing, significance testing)

Nice to Have

• Production experience with large-scale recommendation systems
• Experience with Airflow, Valkey/Redis, FastAPI in production
• Familiarity with contextual bandits or reinforcement learning
• Experience with AutoML tools

Domain: Banking & Finance
Experience: 6+ years
Project Duration: June 1, 2026 – December 31, 2026
Format: Hybrid
Location: Kraków, Poland

About the Project

We are looking for a React Developer to join a team building modern digital solutions for an international financial services company.

The role focuses on developing responsive and user-friendly frontend applications, collaborating closely with product and design teams, and delivering high-quality user experiences in a dynamic engineering environment.

Responsibilities

• Develop modern and responsive frontend applications using React.js
• Prototype and iterate quickly on new features with a strong focus on usability and user experience
• Collaborate closely with product managers and design teams to improve and refine the user journey
• Integrate frontend applications with REST APIs and backend services
• Follow modern frontend development standards and best practices using JavaScript and CSS
• Create wireframes, mockups, and UI concepts using design and prototyping tools
• Contribute to code quality, performance optimization, and frontend architecture improvements

Requirements

• Strong proficiency in JavaScript, TypeScript, HTML5, and CSS3
• Hands-on commercial experience with React.js
• Good understanding of responsive design and modern UI/UX principles
• Experience integrating REST APIs and working with backend services
• Familiarity with state management solutions and component-based architecture
• Knowledge of modern frontend tooling and build systems
• Understanding of frontend performance optimization and debugging techniques
• Ability to work effectively in cross-functional teams
• Strong written and spoken English communication skills

Nice to Have

• Experience with LangChain
• Experience with LangGraph
• Familiarity with LangSmith
• Knowledge of ETL and data management tools

Tech Stack

• JavaScript
• TypeScript
• React
• HTML5
• CSS3
• REST APIs

Preferred Technologies

• LangChain
• LangGraph
• LangSmith
• ETL & Data Management Tools

Location

• Hybrid from Kraków, Poland
• Important: the client requires office visits in Kraków once per week

Recruitment Process

• Technical interview with external partner
• 1.5-hour technical interview with the end client
• Cultural fit interview

We are looking for QA engineer to test a client-server system

Requirements
• Student (3rd year or higher) or graduate of a technical field (Computer Science, Telecom, Electronics, etc.)
• Intermediate English level (reading documentation, written communication, basic spoken interaction)
• Logical and analytical thinking
• Basic understanding of how computers and operating systems work
• Motivation to learn, grow, and work full-time

⸻

Nice to Have
• Experience with Linux (basic terminal commands, file system navigation)
• Basic knowledge of computer networks (IP, ports, client–server)
• Experience with electronics, microcontrollers, or embedded devices
• Familiarity with Git or other version control systems
• Basic understanding of QA concepts (test types, testing levels)
• Any experience with Python (courses, labs, pet projects)

⸻

What We Offer
• Strong internal training and mentoring
• Professional environment with experienced QA engineers and developers
• Opportunity to work with a real hardware-based product, not just web apps
• Clear growth path in QA, including Automation
• Paid vacation and medical insurance
• Flexible 8-hour working schedule (can be combined with studies)
• Comfortable office within walking distance of central metro stations. 

Company offers:

• Competitive salary

• 8 hours working day (flexible working hours, and work from home)

• 20-day paid vacation

• Insurance

• Professional environment

• Office located in a 15-minute walk from Vokzalna, Universytet, or Olimpiiska metro stations

About company:

Johnson Controls is a global leader in smart building solutions, dedicated to creating safe, healthy, and sustainable environments. As the provider of the world’s largest portfolio of building technology, software, and services, we are at the forefront of innovative building management.

Our Intrusion Department specializes in the development of high-quality electronic security systems and components. Operating in Ukraine through our subcontractor in Kyiv, we work with both hardware and cloud servers, including AWS, as well as virtual machines.

On the client side, we utilize intrusion panels from top vendors such as Visonic PowerMaster, DSC PowerSeries, and Qolsys IQ, alongside a range of wireless technologies (PowerG, Z-Wave, Zigbee) and wired devices.

In addition, we offer User and Installer Applications for both iOS and Android, providing seamless integration and control for our customers.

Key Responsibilities:

• Ensure high quality of software products across all stages of development;
• Design, execute, and maintain test cases, test plans, and test scenarios;
• Perform manual testing of complex systems (backend, APIs, networking-related features);
• Analyze logs, identify root causes of issues, and collaborate closely with developers;
• Validate client-server interactions and network behavior;
• Participate in requirements analysis and provide early QA feedback;
• Contribute to improving QA processes and testing standards.

Required Skills & Experience:

• Strong experience as a QA Engineer (manual testing);
• Good command of English (Intermediate+ or higher);
• Solid understanding of software testing methodologies and QA processes;
• Strong logical and analytical thinking;
• Experience working with client-server architecture;

• Linux: confident use of basic commands, log analysis;
• Networking fundamentals: TCP/IP, UDP, REST, OSI model;
• Ability to troubleshoot issues across different system layers;
• High attention to detail and commitment to product quality;
• Ability to work independently and take ownership of testing areas. 

Technical Plus (Nice to Have):

• Hands-on experience with networks or network devices;
• Experience working with Linux-based systems;
• Experience testing REST APIs;
• Python for test automation or scripting;
• MySQL (basic queries for data validation);
• Experience with hardware testing, flashing devices, soldering;
• Understanding of QA metrics and reporting;
• Experience mentoring junior QA engineers.

Personal Qualities
• Proactive and open-minded;
• Fast learner with a strong problem-solving mindset;
• Strong communication skills. 

Company Offers:
• Competitive salary based on experience;
• Flexible 8-hour working day (remote / hybrid options);
• 20 days of paid vacation;
• Health insurance;
• Professional, international work environment;
• Opportunity to work with complex and interesting products;
• Office located within 15 minutes (if on-site). 

About company:

Johnson Controls is a global leader in smart building solutions, dedicated to creating safe, healthy, and sustainable environments. As the provider of the world’s largest portfolio of building technology, software, and services, we are at the forefront of innovative building management.

Our Intrusion Department specializes in the development of high-quality electronic security systems and components. Operating in Ukraine through our subcontractor in Kyiv, we work with both hardware and cloud servers, including AWS, as well as virtual machines.

On the client side, we utilize intrusion panels from top vendors such as Visonic PowerMaster, DSC PowerSeries, and Qolsys IQ, alongside a range of wireless technologies (PowerG, Z-Wave, Zigbee) and wired devices.

In addition, we offer User and Installer Applications for both iOS and Android, providing seamless integration and control for our customers.

We are looking for a detail-oriented and responsible Payment Officer to join our Gaming team. In this role, you will be responsible for processing customer withdrawals, monitoring payment transactions, identifying suspicious activity, and ensuring smooth payment operations in a fast-paced 24/7 environment.

HOW YOU WILL MAKE AN IMPACT

• Process customer withdrawals accurately and within SLA timelines
• Monitor payment queues and ensure timely transaction handling
• Verify transactions according to internal procedures and compliance requirements
• Identify suspicious transactions, fraud patterns, or anomalies and escalate them when necessary
• Work closely with Risk, Anti-Fraud, Support, and Payments teams
• Handle high-volume transaction workflows efficiently
• Maintain high standards of accuracy and operational quality
• Report recurring issues and suggest process improvements
• Follow AML, KYC, and fraud prevention procedures
• Adapt quickly to changing priorities and operational demands

WHAT WILL HELP YOU SUCCEED IN THE ROLE

• 1+ year of experience in Payments, Gaming, Fintech, or related industries
• Basic understanding of payment systems, payment providers, and transaction flows
• Familiarity with AML, KYC, and fraud prevention principles
• Experience processing withdrawals and handling payment operations
• Strong attention to detail and ability to follow procedures consistently
• Analytical mindset with the ability to identify irregularities and suspicious behavior
• Good communication and teamwork skills
• Ability to work under pressure in a high-volume environment
• Experience working in shift-based or 24/7 operations is a plus
• English level: Upper-Intermediate or higher

WHY YOU’LL LOVE IT HERE:

• Flexible working hours and a remote work setup, so you can plan work around your life and not your life around work!
• Vacation days and paid sick leave—because your rest matters.
• A competitive compensation that truly reflects your skills and expertise.
• Employee referral bonus and gifts to celebrate your special occasions.
• 50% financial support for learning expenses to supercharge your professional growth!
• A positive atmosphere where you always feel respected and truly belong.
• Inspirational team-building activities that turn colleagues into best friends.
• Wellness benefits: We’ll support your sports passions, from yoga classes to gym memberships.

We are looking for a Head of Growth Marketing to join our team. Templify is a high-growth mobile/web ecosystem that helps creators and businesses produce high-quality video content using professional templates. 
 

City: Cherkasy, remote
 

Responsibilities:

• Own the full growth funnel: acquisition → activation → retention → monetization
• Define and execute the growth strategy aligned with company's revenue goals
• Lead and scale a high-velocity experimentation culture (A/B testing across funnels, onboarding, paywalls, pricing)
• Optimize subscription monetization (pricing, packaging, trials, paywalls, offers) to maximize ARPU/ARPS and LTV
• Analyze product and marketing performance using tools like Amplitude and translate insights into scalable growth initiatives
• Identify and unlock new growth channels (paid, organic, partnerships, virality loops)
• Conduct deep market and competitor analysis (funnels, creatives, pricing strategies)
• Drive user research to uncover growth opportunities and reduce friction across the user journey
   

Requirements:

• 4+ years in Growth / Product / Product Marketing with at least 1 year in a leadership role in a product company
• Proven experience scaling B2C mobile apps (preferably subscription-based) in the US market
• Proven track record in scaling UA campaigns specifically within Instagram (Meta Ads Manager)
• Strong expertise in product analytics (Amplitude, Mixpanel, etc.) and experimentation frameworks
• Hands-on experience with monetization strategies (subscriptions, paywalls, pricing optimization)
• Deep understanding of mobile growth metrics: LTV, CAC, retention, churn, ARPU
• Data-driven mindset with strong prioritization and decision-making skills
• English: Upper-Intermediate or higher
   

We offer:

• Competitive reward for the provided services
• Collaborative and supportive team of professionals
• Growth through a Mentorship Program, regular feedback, and one-on-one meetings with PM and HR
• Partial reimbursement for medical insurance, sports activities, and English language courses
• Leave policy - 22 days of annual leave, 10 paid sick days per year
• Personal equipment policy offering MacBooks along with all necessary hardware and software for work
• Financial support for employees during specific life events (weddings, childbirth, etc)
• A people-focused corporate culture that prioritizes employee well-being

The Customer Support Engineer will focus on providing technical support and maintaining production operations. The specific requirements and responsibilities include:

The vacancy assumes a shift work schedule.
 

Job Requirements:

• Proficiency in using PC. Ideally after QA courses
• Background in Data Support (Tier 1+2); Tier 3 is an advantage.
• Strong troubleshooting and problem-solving skills.
• Excellent service orientation and communication skills.
• English level at least B1.
• Ability to work independently and as part of a team.

Key Responsibilities:

Problem Resolution:

• Identify potential production issues and implement proactive solutions.
• Troubleshoot technical issues and collaborate with teams to ensure resolution.

Customer Support:

• Provide prompt technical support to end-users
• Collaborate with R&D and product management to resolve client issues.

Production Coordination:

• Develop and manage production schedules.
• Adjust schedules as needed to accommodate changes or delays.

Stakeholder Communication:

• Serve as the primary liaison between teams to ensure clear communication.
• Notify stakeholders and clients of any delays or issues.

About us
We are an outsourcing company partnering with fintech and crypto businesses. The Middle React Native Fullstack Engineer’s role is part of a client project specializing in cryptocurrency. You’ll be the second mobile engineer in the team.


Requirements:
NodeJS Back End Experience: 3+ years of software development experience with NodeJS.
React Native Expertise: 2+ years of hands-on experience.
Blockchain Experience: 1+ years of hands-on experience with blockchain-related products or technologies.
Application Lifecycle: Experience managing the complete mobile application lifecycle, from development through deployment.
Performance Optimization: Understanding of mobile application performance optimization techniques and debugging approaches.
Communication Skills: Strong spoken and written English communication skills.
Languages: English — B1+ for effective daily communication with clients and team members.


Responsibilities:
Mobile Development: Develop, maintain, and improve mobile features for the platform using React Native.
Code Quality: Follow engineering best practices for maintainable, secure, and well-documented code.
Platform Support: Maintain and support production mobile applications, ensuring stability and resolving issues when needed.
Architecture & Technical Decisions: Make key engineering and architectural decisions to ensure scalable, maintainable, and high-performing mobile solutions.
Performance Optimization: Continuously analyze and improve application performance, responsiveness, and resource efficiency.
Collaboration: Work closely with mobile engineers, product and project  and other team members to deliver product initiatives.

 

Conditions and benefits:

Remote-friendly culture: Work from anywhere in the world with a flexible schedule in CET timezone;

Opportunities for growth: Take advantage of paid training, English-speaking clubs, support for certifications, and participation in professional events;

Reliable conditions: Transparent terms, stable compensation, and consistent support;

Room for ideas: We work in teams with full autonomy, empowered by our clients to take complete ownership of our projects.