Senior Backend Engineer

About Us
We are an established game studio developing HeroWarrior, a Unity-based web battle game that has been in active development for three years. Our project is supported by GameWorld (Netherlands) and we're currently preparing for version 2.0 with an expanded development team.
Following strategic restructuring in 2022, we're now building a distributed team across Europe and seeking talented developers to join our long-term project.
Open Positions
We are actively recruiting for the following roles:
UI/UX Designer
Specialization in gaming interface design
Experience with Unity UI systems preferred
 
Full-Stack Developers
 
Backend and frontend development for web platform
Experience with game-related web services preferred
 
Mobile Developers
 
Native mobile app development
Cross-platform experience valued
 
Unity Developers
 
Gameplay mechanics implementation
3+ years Unity experience required
 
3D Web Developers
 
WebGL and Three.js expertise
Browser-based 3D rendering experience
 
hat We Offer
Project Commitment: We're seeking long-term partnerships, not short-term contractors. This is an opportunity to grow with an established project backed by industry partners.
Compensation Structure:
Flexible payment options: hourly rates, monthly retainers, or milestone-based compensation
Rates negotiable based on experience and role
Initial evaluation period followed by standard employment terms
 
Work Environment:
Remote-friendly distributed team
Collaborative development process
Opportunity to work on a commercially-backed game project
Application Requirements
 
Please submit the following:
Portfolio/Resume - Detailed work history and relevant projects
Rate Expectations - Your preferred compensation structure and rates
Code Samples - GitHub repository, portfolio links, or previous work examples
Availability - Expected start date and commitment level
Evaluation Process Acknowledgment - Confirmation of willingness to complete a brief technical assessment
 
Ideal Candidates
Demonstrated passion for game development
Strong technical skills in relevant technologies
Experience working on long-term projects
Collaborative mindset and professional communication
Interest in building innovative gaming experiences
 
Next Steps
We are moving quickly to fill these positions. Qualified candidates will be contacted within one week for initial discussions and technical evaluation.
To apply, please send your complete application materials to vlad@gameworldcompany.com
 

Description
About Target Mafia
Target Mafia is a syndicate of elite media buyers, data scientists, and creative capos dominating gambling, crypto, nutra, and adult niches. We operate on pure performance: if our partners win, we win.
We are expanding our crypto empire and need a Web3 Growth Hacker, our Enforcer of Expansion, to scale projects, grow communities, and execute high-ROI campaigns across Web3 ecosystems.
Working at Target Mafia
This is a fast-paced, results-driven role where strategy meets execution. You’ll identify growth opportunities, implement viral campaigns, and optimize channels to maximize performance. Your work will directly impact revenue and user acquisition across multiple projects.
Role
As a Web3 Growth Hacker, you will drive user acquisition, scale communities, and execute growth strategies that expand Target Mafia’s influence in the crypto space. You’ll combine creative tactics, data analysis, and guerrilla marketing to deliver measurable results.
Responsibilities
Plan and execute growth campaigns across Telegram, Discord, Twitter, and other Web3 channels.
Build partnerships and collaborations with crypto communities and influencers.
Track, analyze, and optimize campaigns for maximum ROI.
Identify viral trends and implement them to boost engagement and user acquisition.
Work closely with media buyer dons and creative capos to align growth efforts with marketing strategies.
Skills Required
Growth Hacking & Performance Marketing
Social Media Strategy & Community Building
Crypto & Web3 Knowledge
Influencer & Partnership Management
Data Analysis & Campaign Optimization
Guerrilla Marketing & Viral Campaign Execution
Creativity & Fast Problem Solving
Reasons to Join Our Team
Lead high-impact campaigns in trending Web3 and crypto markets
Work with an elite, performance-driven mafia of media buyers
Performance-based compensation in stablecoins, with bonuses for growth wins
Hands-on experience scaling high-stakes projects
Flexible, dynamic, and rewarding environment for top-tier talent

Description
We are offering an opportunity to join our team and learn about cross-market trading strategies, focusing on identifying price differences of assets across multiple platforms. This role provides hands-on experience in financial technology, data analysis, and trading support.
As part of this position, you will:
Gain practical knowledge of market analysis and trading workflows
Learn how to recognize and evaluate opportunities across different platforms
Develop your skills in risk management and decision-making
Work with a mentor who will guide you step by step through the learning process
What we provide:
Comprehensive training program designed for beginners
Ongoing mentorship and professional support
Flexible schedule (approx. 1 hour a day required for study and practice)
Remote work setup with the possibility to grow into a larger role over time
This is a part-time, entry-level opportunity suitable for candidates with little or no prior experience. What matters most is your willingness to learn and apply new knowledge in practice.
Compensation: Competitive monthly pay structure with opportunities for progression as skills develop

Responsibilities

Develop and implement data pipelines to process and analyze large volumes of data, and prepare training datasets.

Create predictive models and machine-learning algorithms to identify trends and patterns.

Design and deploy generative AI models to address real-world challenges across various domains such as natural language processing, image, video, and voice generation.

Conduct research on emerging generative AI techniques and algorithms.

Collaborate with cross-functional teams to implement AI solutions.

Requirements

Experience in machine learning modeling techniques, deep learning frameworks, generative AI, and natural language processing.

Proficiency in Python programming and Unix/PowerShell scripting.

Familiarity with cloud computing platforms like AWS, GCP, or Azure.

Knowledge of prompt engineering, prompt optimization, and multimodal generative AI.

Experience with large language models such as Hugging Face ML models, GPT, Claude, etc.

Stay current with the latest advancements in AI technologies.

Life @

Empowered to think big. Explore new opportunities while working alongside a talented, ambitious, and supportive team.

Transformational and innovative working environment that encourages employees to find creative solutions.

Opportunities for personal and professional growth through the development of new skill sets.

Supportive work culture emphasizing collaboration among colleagues.

Focus on team cohesion and stakeholder engagement to achieve common goals.

Work flexibility options including flexi-working hours and hybrid or remote setups.

In-house mobility program offering career advancement opportunities for employees.

Benefits

Competitive salary offered

Generous annual leave entitlement including birthday leave and work anniversary leave

401(k) plan with employer match

Flexible work hours and hybrid or remote work setups

Internal mobility program supporting career advancement

About Crypto.com

Founded in 2016, Crypto.com is a leading global cryptocurrency platform serving millions of customers worldwide. With a vision of Cryptocurrency in Every Wallet™, the platform is dedicated to advancing cryptocurrency adoption through innovation and empowering the next generation of entrepreneurs in a fair and equitable digital ecosystem.

Crypto.com is an equal opportunities employer that values diversity and inclusion in its team, encouraging candidates from diverse backgrounds to apply. Personal data provided by applicants will be used solely for recruitment purposes.

Job Responsibilities:

Enhance the quality of current products by identifying and rectifying deficiencies

Propose product upgrades by conducting thorough analyses

Improve product quality to enhance customer experiences

Optimize AI and Machine Learning models' performance

Document, prioritize, and rectify testing anomalies and defects

Develop and implement a robust Quality Planning strategy

Collaborate with the Product Development team for smooth project delivery

Address bottlenecks in quality assurance processes

Lead continuous improvement initiatives and quality data collection

Establish and monitor key performance indicators for product quality

Prepare and deliver detailed quality reports to Senior Management

Job Requirements:

Strong grasp of customer support lifecycle and platforms

Proficiency in automation processes

Knowledge of networking, AI, LLM, NLP technologies

Experience with multiple programming languages

Solid analytical capabilities for data and trend analysis

Comprehensive understanding of the company’s structure and dynamics

Commitment to continuous learning to stay updated with industry developments

Demonstrated leadership and accountability

Excellent communication and collaboration skills

Strong decision-making and problem-solving abilities

Exceptional organizational and time-management skills

High emotional intelligence and analytical thinking

Resilience and determination in challenging scenarios

Team-player with adaptability and flexibility

Eagerness to learn and thrive in a dynamic environment

Life @:

Empowered environment encouraging employees to think innovatively and ambitiously Proactive setting fostering thoughtful and innovative solutions Opportunities for personal and professional growth through skill development Positive work culture focused on helping and supporting colleagues Aligned team working collectively to achieve the goal of widespread cryptocurrency adoption

Are you ready to kickstart your future with us?

Benefits:

Competitive salary

Comprehensive medical insurance coverage

Generous annual leave entitlement

Work flexibility with hybrid or remote setup options

Internal mobility program for diverse career alternatives

Perks like visa card upon joining

Location-based benefits packages tailored through talent acquisition team

About:

Established in 2016, company serves millions of customers worldwide Mission is to drive Cryptocurrency in Every Wallet™ through security, privacy, and compliance Commitment to fostering innovation and facilitating cryptocurrency adoption worldwide Equal opportunities employer advocating for diversity and inclusion in workplace Applicants’ personal data used solely for recruitment purposes.