Lead Developer (Unity, Mobile, Backend)

Dolly; Madrid; A distancia; EUR 60.000 - 80.000; Jornada completa

Descripción de la vacante

A fast-growing mobile gaming studio is seeking a Technical Owner to lead development for Thrillz and manage a team of developers. This role involves evolving the app architecture, ensuring high code quality, and direct feature development. Candidates should have over 5 years of experience in Unity, strong leadership skills, and be fluent in English. The position offers flexibility for hybrid or remote work.

Servicios

Flexible hybrid or remote work

Direct impact on technical decisions

Small, high-autonomy team

Formación

• 5+ years of experience in Unity (C#), including mobile deployment.
• Strong experience leading or mentoring a dev team.
• Excellent understanding of architecture patterns.
• Experience with async networking and APIs.
• Debugging and optimization skills required.

Responsabilidades

• Own and evolve the app’s architecture and client integration.
• Write and maintain high code quality standards.
• Mentor and supervise the dev team.
• Contribute directly to Unity development.
• Ensure app performance and oversee QA process.

Conocimientos

Unity (C#)

Team leadership

Architecture patterns

Debugging skills

Git

CI / CD

Fluent English

Descripción del empleo

About Dolly

Dolly is a fast-growing mobile gaming studio creating real-money skill-based games where players can compete and win cash prizes.

Our flagship product, Thrillz, is a multi-game app where users can play casual mobile games and win real rewards.

With thousands of daily active users and steady revenue growth, Thrillz is already profitable and growing fast. We’re a small, passionate team that moves quickly, experiments boldly, and loves building games that are both fun and rewarding.

Your Mission

You’ll be the technical owner of Thrillz, leading all client-side and backend development. You’ll guide a team of 3 developers, oversee architecture and code quality, and ensure features are delivered efficiently and maintainably.

You’ll work closely with the

CEO (Antoine)

CPO (Benjamin)

CTO (Ayrton)

and Senior Producer (Kevin)

to bring new product ideas to life — from concept to release.

Responsibilities

Technical Leadership

Own and evolve the app’s overall architecture (client + backend integration).

Write and maintain high code quality standards, enforce best practices, and conduct code reviews.

Define technical priorities and balance new feature delivery with technical debt reduction.

Coordinate sprints with the Producer (Kevin) and ensure dev tasks are delivered on time.

Team Management

Mentor and supervise the dev team (Ciprian, Tom, David).

Provide technical guidance and unblock teammates when challenges arise.

Improve internal dev processes and CI / CD pipelines.

Feature Development

Contribute directly to Unity development.

Ensure smooth integration of new features.

Collaborate with UI / UX (Kate) to ensure pixel-perfect implementation.

Work closely with backend APIs, wallets, and leaderboard systems.

Quality & Stability

Ensure app performance across devices.

Oversee QA process, debug issues, and prepare production builds.

Optimize loading times, reduce crashes, and maintain code scalability.

Own the release pipeline: QA, builds, and deployment to App Store.

Continuously improve our CI / CD setup and development workflows.

Requirements

5+ years of experience in Unity (C#), including mobile (iOS + Android) deployment.

Strong experience leading or mentoring a dev team.

Excellent understanding of architecture patterns.

Experience with async networking, APIs, and client-server integration.

Solid debugging and optimization skills (profiling, memory management, etc.).

Familiarity with Git, CI / CD, and agile workflows.

Fluent in English, strong communication and organizational skills.

Nice-to-have

Experience with real-money gaming.

Live-ops systems, or social / competitive games.

Experience working with backend systems.

Passion for gaming and user experience.

Based in Europe or EMEA time zone.

Why Join Us

Join a profitable, fast-growing mobile gaming company.

Work on a product with real traction and real users.

Direct impact on feature direction and technical decisions.

Fully remote or hybrid work flexibility.

Small, highly skilled team — high autonomy, high ownership.