#vacancy #remote #вакансия #developer #playable #ads

X-FLOW is a mobile game development company established in 2018.
We’re looking for a creative and technically skilled Playable Ads Developer
Key Responsibilities:
• Develop multi-tap Playable Ads and interactive end cards.
• Establish requirements and guidelines for asset preparation.
• Participate in creating asset libraries and templates to optimize production.
• Communicate with outsourcing partners on Playable Ads development (providing consultation, technical requirements, and best practices).
• Automate and optimize technical solutions.
Requirements:
• Understanding of basic game mechanics: timing, feedback, progression.
• Ability to recreate a simplified yet relevant gameplay experience.
• A portfolio of developed playable ads.
• Experience working in mobile game marketing.
Technical skills:
• Confident proficiency in HTML5 / JavaScript / CSS.
• Experience developing playable ads for mobile advertising (Google Ads, Unity Ads, AppLovin, ironSource, Mintegral, Facebook, etc.).
• Understanding the reasons for possible rejections by ad networks and the ability to quickly fix arising problems.
• Knowledge of playable-banner limitations: build size, FPS, loading times.
• Understanding how playable ads work structurally—interactivity, working with versioning for a varying number of clicks.
Working with Graphics and Assets:
• Skills in Spine for creating animations and optimizing them.
• Experience optimizing assets from designers, artists, and animators.
• Experience adapting visuals for different resolutions and aspect ratios.
If you’re interested or know someone who might be a good fit — feel free to reach out on TG: @iliasik

#vacancy #senior #fullstack #engineer

X-FLOW is a mobile game development company established in 2018. We take pride in our diverse and talented team and partners, spread across the UK, Cyprus, the Netherlands, and other regions worldwide.
We are currently looking for a Senior Fullstack Engineer for our flagship project, Happy Color.

Key Responsibilities:
Design and develop RESTful APIs using PHP/Laravel.
Build frontend applications using TypeScript/React with a focus on performance and Developer Experience (DX).
Integrate with external services; define and maintain API contracts.
Optimize performance, perform profiling, and reduce latency.
Design database schemas, handle migrations, indexing, and query optimization.
Contribute to quality assurance: write tests (unit/integration/e2e), conduct code reviews, and automate checks.
Ensure observability and reliability: implement logs, metrics, alerts, and traces.
Participate in designing architectural solutions.

Requirements:
4+ years of experience with PHP, strong knowledge of Laravel (DI, queues, profiling, REST, modularity).
4+ years of experience with TypeScript, strong knowledge of React/Redux Toolkit, routing, build processes, and bundle optimization.
Databases: PostgreSQL/MySQL, Redis; experience with schema design, indexes, and transactions.
Message Queues/Buses: Kafka — experience with event-driven integrations.
Security: OAuth2, JWT.
Understanding of DDD, SOLID, 12-Factor App methodology, and observability (Prometheus/Grafana, OpenTelemetry).

Technology Stack (Core):
Backend: PHP (Laravel), REST, PostgreSQL/MySQL, Redis, Kafka, Clickhouse.
Frontend: TypeScript, React, Redux Toolkit.
DevOps: GitLab CI, Docker.
Observability: Prometheus, Grafana, OpenTelemetry, Sentry.

What We Offer:
Competitive salary and benefits package.
Opportunity to work with a talented and passionate team in a creative and dynamic environment.
Flexible working hours and remote/office work options.
Career growth and professional development opportunities.
A fun and inclusive company culture that celebrates diversity and creativity.
Please send your CV via Telegram: @iliasik