Jobs at Djinni

About the Role:

We're growing fast and are excited to expand our team! We're looking for a passionate L1 Support engineer to join our partner team and help us continue our journey of innovation and excellence.

What We’re Looking For:

• Experience in incident management or technical support roles (1+ years) (gambling domain).
• Strong knowledge of monitoring tools like Grafana.
• Good understanding of incident escalation flows and priorities
• Ability to follow runbooks and escalation playbooks
• Knowledge of software system components (frontend, backend, infrastructure).
• Excellent communication and reporting skills.
• Ability to work in shifts (8h per day).

• English - intermediate+.

   

Technical/specialized knowledge:

• Experience with incident prioritization (P1, P2, P3) and SLA tracking.
• Hands-on with Slack, Confluence, Jira for communication and reporting.
• Knowledge of release flows, rollback notifications, escalation trees.
• Basic understanding of observability concepts (what to monitor and why).
• Knowledge of gambling/gaming systems will be a plus
• Familiarity with HTTP, APIs, databases (SQL/NoSQL basics) will be a plus.

What You’ll Do:

• Monitor production systems, services, and alerts (Grafana, PagerDuty).
• Perform initial investigation and diagnosis of incidents.
• Escalate critical incidents to the appropriate development, DevOps, Backend, QA teams.
• Participate in on-call rotations (8-hour shifts, covering 24/7).
• Collaborate with product managers and client support on incident updates.
• Document incidents, actions, and resolutions in Jira and Confluence.
• Ensure SLA compliance (response and resolution time).
• Support post-incident RCA preparation with PMs and tech leads.
• Maintain accurate shift handover logs (if needed) and communicate issues to the next shift.
• Work closely with DevOps on alert fine-tuning and incident prevention improvements

What We Offer:

• Flexible remote work schedule.
• Paid sick leave and vacation days.
• Fun and creative gifts for holidays and special employee events.
• All necessary equipment provided as needed.
• Opportunities to participate in internal company events, open discussions, product meetups, and training sessions on soft skills development.
• A supportive work environment with no micromanagement or rigid hierarchy—quick decision-making is our style.
   

If you’re ready to bring your expertise to a dynamic and growing team, join us and be a part of our exciting journey.

We are looking for a creative and detail-oriented Graphic Designer to join our team. This role is perfect for someone who can combine strong design skills with marketing awareness to create engaging visuals that drive results.
Responsibilities:
 

• Design banners and advertising creatives for online campaigns (social media, Google Ads, etc.).
• Develop lead magnets (PDF guides, e-books, checklists, etc.) that capture attention and provide value to potential clients.
• Ensure brand consistency across all visual materials.
• Infographics to explain complex concepts in a simple and engaging way.
• Custom illustration elements for websites, landing pages, and digital products.
• Collaborate with the marketing team to brainstorm and implement new creative ideas.
• Stay updated with design trends and best practices in digital advertising.

Requirements:
 

• Proven experience as a Graphic Designer, preferably with a focus on advertising.
• Proficiency in Adobe Photoshop, Illustrator, and other design tools (Figma or Canva is a plus).
• Strong understanding of visual hierarchy, typography, and color theory.
• Ability to design conversion-focused creatives.
• Attention to detail, creativity, and the ability to meet deadlines.
• Portfolio showcasing relevant work (ads, banners, PDFs, or similar).

We are currently looking for an active, innovative, experienced Facebook Media Buyer to join our team.

Our ideal candidate must be comfortable in a fast-paced environment and be excited about the opportunity to work strategically at a high-level and the opportunity to actively participate in the daily operations.

Requirements:

• At least 1 year of commercial experience with Facebook Ads (gambling);
• Expertise in Tier 1,2 markets;
• Working effectively with a high daily budget;
• Understanding of specifics of the Meta system algorithms;
• Ability to find and correctly scale working connections;
• Generate and test new hypotheses;
• Ability to provide technical specifications to creatives and technicians;
• Understanding and ability to work with basic metrics;
• English — pre-intermediate;
• Result-oriented person with high stress management skills;

• Creative and adaptive mindset.

   

Responsibilities:

• Creation and launch of Facebook advertising campaigns;
• Searching and testing new approaches and connection;
• Testing new hypotheses and displaying statistics on them;
• Creation of technical specifications for the creation of creative materials and texts;
• Analysis of the effectiveness of advertising campaigns and their optimization;

• Reporting on advertising campaigns.

   

What we offer:

• Competitive salary: rate + high % of personal profit;
• Unlimited budgets for profitable campaigns;
• Work with TOP global brands from the world of Gambling;
• Personal prospects of quickly moving to a TL position with proper results;
• A dynamic and flexible startup environment that encourages innovation;
• Rockstar professional team (mediabuyers, affiliate, tech, creative, finance);
• 100% Remote work.

ARRISE sets the benchmark for service delivery and excellence in the iGaming industry. Playing a key role in the success of its clients, which include Pragmatic Play, a brand relied upon by the world’s biggest online casinos for its cutting-edge products, ARRISE helps to deliver exceptional gaming experiences to millions of players worldwide.

Our global team of talented and driven professionals are shaping the future of iGaming. Headquartered in Gibraltar, we have offices spanning Canada, India, the Isle of Man, Latvia, Malta, Romania, Serbia, Bulgaria, and the UAE, and more exciting destinations on the horizon.

At ARRISE, we take pride in creating growth opportunities at all levels, constantly investing in our people while welcoming new colleagues and forging strategic partnerships that open new opportunities for success. To achieve this, we bet on ourselves. We know that success is a collective effort, and our team is driven by ambition, collaboration, and a shared commitment to grow and succeed—while embracing every step of the journey.

Be part of the future of iGaming with ARRISERS! See a job that excites you? Apply now, and our friendly recruitment team will connect with you soon. Your journey starts here!
 

Required Skills:

· 5+ years of hands-on experience in commercial software development using Java.

· Solid understanding of Object-Oriented Programming (OOP) concepts and proficient in applying design patterns.

· Extensive expertise in Java Core and the Spring framework (including Spring Boot, Spring Web, Spring Data).

· Proficiency in vanilla JDBC for database interactions.

· Strong understanding of RDBMS concepts and SQL, with experience working with databases such as PostgreSQL.

· Experience with distributed messaging systems, particularly RabbitMQ.

· Proven track record in the development of microsevices and distributed transactional systems.

· Knowledge of fundamental design principles for building scalable and highly available applications.

· Good foundation in algorithms, design patterns, and data structures.

· Proficiency in unit/functional testing frameworks such as JUnit 4/5, Spock, and Testcontainers.

Will be a plus:

· Familiarity with NoSQL databases like Redis.

· Experience with Kubernetes and Nomad.

· Experience with AWS services.

· Experience with Oracle databases.

· Experience in application and infrastructure monitoring.

· Proven ability to troubleshoot production problems related to software applications.

· Exposure to high-load systems.

· Good spoken and written English skills.

Responsibilities:

As a Java Software Engineer, you will play a pivotal role in engineering and implementing a high-loaded enterprise system that serves tens of thousands of users logging into our product every day. Your responsibilities will include:

· Collaborating with cross-functional teams to design, develop, and maintain robust software solutions that meet the needs of our enterprise-level system.

· Architecting scalable and efficient Java-based components to ensure optimal performance under high load.

· Implementing best practices in software engineering, including code reviews, testing methodologies, and documentation standards.

· Optimizing system performance and reliability through continuous monitoring, troubleshooting, and performance tuning.

· Participating in the entire software development lifecycle, from requirements gathering and design to deployment and support.

· Staying up-to-date with the latest technologies and industry trends to continuously improve our system architecture and development processes.

Company offers:

· Long-term employment.

· Flexible timetable.

· Comfortable working conditions.

· Paid vacation and sick leaves.

· English lessons, gym.

· Competitive salary level.

We are seeking a skilled Software Engineer with a focus on React and Node.js development to join our dynamic, multicultural team. The project goal is to build a client-faced admin application all while contributing to cutting-edge ML/AI simulations product for our client from Helsinki, Finland. We offer a startup culture where innovation and collaboration are at the forefront. 

You are perfect feet for this role if you have:

- At least 4+ years of experience in Software development
- English level - B2+
- Proven AWS proficiency in setting up and managing AWS services such as Lambda, DynamoDB, and SQS.
- Strong experience with Node.js and React; 
- Proficiency in Docker for containerizing applications.
- Basic understanding of Terraform and ability to configure AWS Lambda.
- Excellent communication skills.

Your responsibilities:

- Develop client-faced application using React and Node.js. Be responsible for tech debt management and prioritization of items. 
- Plan new feature and be proactive team member. 
- Be able to discuss infrastructure improvements and freely communicate with DevOps. 
- Be familiar with Terraform to be able to maintain AWS services, including AWS Lambda functions, DynamoDB, and SQS.
- Creating and maintaining documentation for the application architecture.

Will be a plus:
Knowledge of  Python and boto3 is a plus.

 

We are developing a mobile gaming app and are looking for a skilled JSON animation expert to support our team on a part-time freelance basis. Your main focus will be creating, optimizing, and integrating animations using JSON-based formats (e.g., Lottie, Spine JSON, custom JSON animation frameworks) to deliver smooth and engaging gameplay experiences.

Responsibilities:

• Create and refine high-quality 2D/3D animations in JSON format for characters, UI, and effects.
• Optimize JSON animations for mobile performance (iOS/Android).
• Collaborate with developers and designers to ensure seamless integration.
• Troubleshoot and fix animation issues related to JSON playback in the game engine.
• Maintain consistency with the app’s visual style and gameplay requirements.

Requirements:

• Proven experience working with JSON animation frameworks (Lottie, Spine, Bodymovin, or similar).
• Strong knowledge of animation principles for gaming.
• Experience with mobile game development pipelines.
• Attention to detail and ability to deliver high-quality results on time.
• Good communication skills and availability for part-time, remote collaboration.

Nice to Have:

• Experience with procedural animations or interactive animation systems.
• Knowledge of performance optimization techniques for mobile games.

Engagement Details:

• Part-time freelance role.
• Flexible working hours with milestone-based deadlines.
• Remote collaboration.
• Potential for long-term cooperation depending on project success.

About CherryTrader
CherryTrader is a dynamic product company building a cutting-edge digital marketplace designed to transform the way users connect and trade online. As we continue scaling our platform, we are seeking a talented Backend Developer to join our engineering team and contribute to the development of robust, scalable backend systems.

Role Overview
As a Backend Developer at CherryTrader, you will play a key role in building and maintaining backend services and APIs for our platform. This role is ideal for a strong Junior or Middle-level developer who is passionate about backend technologies, system design, and writing clean, maintainable code in a collaborative environment.

Key Responsibilities

• Develop, test, and maintain backend services and APIs using Go (Golang)
• Collaborate with team members through Git and resolve merge conflicts efficiently
• Design and implement features using SOLID principles, design patterns, and Clean Architecture
• Work with SQL-based databases, writing optimized and reliable queries
• Build and integrate RESTful APIs for internal and external services
• Participate in code reviews and contribute to architectural discussions

Required Qualifications

• 1+ year of experience working with Go (Golang)
• Solid understanding of SQL databases and relational data modeling
• Practical experience with Git in a team environment, including resolving conflicts
• Familiarity with Clean Architecture, design patterns, and SOLID principles
• Experience developing and consuming REST APIs
• Strong problem-solving skills and attention to detail
• Ability to work effectively in a collaborative, remote-first team

Preferred Qualifications (Nice to Have)

• Experience with Google Cloud Platform (GCP)
• Hands-on knowledge of Google Cloud Spanner or other distributed SQL databases
• Understanding of microservices architecture
• Familiarity with gRPC

What We Offer

• Opportunity to work on a growing, high-impact marketplace product
• Collaborative and supportive engineering team
• Remote-first work culture with flexible working hours
• Competitive compensation based on experience and qualifications

About the role:
We are seeking an experienced AI Integration & Automation Engineer to assist us in designing, developing, and implementing AI-driven solutions that optimize workflows and integrate our business systems. You will be responsible for integrating AI models via APIs, automating processes, and creating custom solutions to enhance efficiency and user experience.
 

Responsibilities:

• Design and implement AI-powered workflows for business processes.
• Integrate LLMs (ChatGPT, Claude, Gemini, etc.) and other AI services via APIs.
• Build and maintain automation pipelines (Zapier, Make, n8n, LangChain, Airflow).
• Develop custom chatbots and virtual assistants.
• Connect AI solutions to CRM, ERP, project management systems, and other business tools.
• Optimize existing automation scripts and ensure system reliability.
• Collaborate with product managers and stakeholders to translate business needs into technical solutions.
   

Requirements:

• Strong knowledge of Python and/or JavaScript (Node.js).
• Hands-on experience with API integrations.
• Familiarity with automation platforms (Zapier, Make, n8n, Airflow).
• Experience with AI tools & frameworks (LangChain, LlamaIndex, RAG pipelines).
• Solid understanding of databases and cloud services (AWS, GCP, Azure).
• Problem-solving mindset and ability to work independently.
• (Nice to have) Experience in MLOps or deploying ML models.
   

What we offer:

• Opportunity to work on cutting-edge AI projects.
• Flexible remote-first environment.
• Competitive salary and growth potential.
• Chance to influence company-wide digital transformation.

We are seeking a highly skilled Node.js expert, who excels as a collaborative team member. The role goes beyond coding, encompassing responsibilities such as handling feature aspects, specifications, technical design, development, testing, documentation, and maintenance.

Customer

Our client has rapidly become one of Europe’s most swiftly expanding FinTech companies. They oversee all aspects of financial operations, from generating virtual cards to facilitating wire transfers and maintaining customer account balances. As a payment institution, our client provides a platform that integrates financial services into its product, offering features such as account management, card payments, bank transfers, and additional services.

Requirements

• Over 5 years of experience in Back-end software development
• At least 3 years of experience with TypeScript
• Over 4 years of experience working with Node.js
• Strong experience in designing distributed and secure systems
• Good Front-end development skills
• Good understanding of microservices architectures
• Experience in designing, building, and maintaining APIs
• Experience in building and consuming REST and/or GraphQL APIs
• Familiarity with DevOps practices
• Strong experience working with AWS
• Good knowledge of testing best practices
• At least an Upper-Intermediate level of English

Would be a plus

• Experience with modern JavaScript and ES6 libraries

Responsibilities

• Design and implement large-scale software solutions and components using multiple technologies, with a primary focus on Node.js and ReactJS
• Maintain a consistently high level of quality throughout all stages of the development
• Communicate effectively to collaborate closely with the team and gain full context for complex tasks
• Follow the best engineering practices, as well as company and client guidelines
• Play supervisory, advisory, and coaching roles for less-experienced engineers on the team
• Promote clean code, as well as design patterns and principles

PIN-UP Global is an international holding specializing in the development and implementation of advanced technologies, B2B solutions and innovative products for the iGaming industry. We provide certification and licensing of our products, providing customers and partners of the holding with high-quality and reliable solutions.

We are looking for a Media Buyer In App to join our team!

Requirements:

- 2-plus-year of successful proven experience with In-app 
- Ability to effectively manage large advertising Budgets (from $50,000 per month)
- Availability of successful cases in the gambling niche in the CIS/Latam markets
- Deep understanding of basic metrics of the Conversion Rate and Unity Economy (ROI, NGR, GGR, LTV, CTR, CPC, CPM, CPA, CPL, etc.)
- Experience in working with Antidetect Browser and Tracking Systems;
- A high-level understanding of how the major advertising in-app platforms (Unity, Moloco, IronSource, AppLovin, etc.)
- Ability to moderate creatives and links on the previously mentioned platforms
- Ability to work independently with platforms for collecting and analyzing user activity data on websites and mobile apps (AppsFlyer, Adjust, etc.)
- Ability to collect test results (advertising), draw conclusions and suggestions for further actions
- Ability to analyze and optimize your advertising campaigns to achieve specified KPIs
- Experience in А/B testing
- Experience with a lot of traffic, ability to work with a large array of information
- English - B1 and above
 

Responsibilities:

- Creating, setting up and optimization advertising campaigns on In-app platforms to attract new players to the Product;
- Conducting regular comprehensive analysis of own advertising campaigns and making decisions on how to improve the results;
- Regularly building Marketing Hypotheses and conducting A/B tests to generate new profitable approaches to traffic generation;
- Setting the Terms of Reference for the necessary promotional materials;
- Competent budget management;
- Together with the team, the formation of media strategies, calculation of the KPI funnel;
- Monitoring the implementation of own traffic KPIs and finding ways to continuously improve them;
- Regular reporting on performance and profit;
- Market and Competitor Analysis;
- Planning and calculation of Traffic Streams.

Our benefits to you:

☘️An exciting and challenging job in a fast-growing holding, the opportunity to be part of a multicultural team of top professionals in Development, Architecture, Management, Operations, Marketing, Legal, Finance and more

🤝🏻Great working atmosphere with passionate experts and leaders, sharing a friendly culture and a success-driven mindset is guaranteed

🧑🏻‍💻Modern corporate equipment based on macOS or Windows and additional equipment are provided

🏖Paid vacations, sick leave, personal events days, days off

💵Referral program — enjoy cooperation with your colleagues and get the bonus

📚Educational programs: regular internal training sessions, compensation for external education, attendance of specialized global conferences

🎯Rewards program for mentoring and coaching colleagues

🗣Free internal English courses

✈️In-house Travel Service

🦄Multiple internal activities: online platform for employees with quests, gamification, presents and news, PIN-UP clubs for movie / book / pets lovers and more

🎳Other benefits could be added based on your location

Main Responsibilities

– Lead, mentor, recruit and inspire a high-performing sales team setting clear goals and expectations

– Foster and ensure a dynamic and high-performing sales culture

– Own and drive the sales pipeline, by monitoring sales and lead generation managers’ KPIs and OKRs, ensuring consistent revenue growth, customer acquisition, and monthly sales targets.

– Actively engage in direct sales activities — performing cold outreach, nurturing key prospects, and driving new business opportunities yourself.

– Take ownership of the business customer lifecycle: cold outreach, negotiating, and closing

– Work with Marketing, Risk, Account Management and Product Development teams to implement initiatives

– Ensure that all sales activities comply with relevant regulatory requirements and company policies

– Ensure initiatives are reflective of the goals, and priorities of other company divisions as appropriate

– Recommend improvements to sales strategies based on data and competitor analysis

– Demonstrate ability to deliver results under pressure and adapt to changing business requirements; ability to plan, organise, and manage multiple priorities

– Maintain fluency with technology trends shaping the Fintech market

– Manage key referral partner relationships

Mandatory Requirements

– Minimum of 3 years of progressive experience in sales leadership roles, with a demonstrable track record of successfully building, mentoring, and managing high-performing sales teams

– Extensive experience in the full B2B sales lifecycle, from lead generation and negotiation to successful deal closure with business customers

– Prior experience within the FinTech industry, particularly at Electronic Money Institutions (EMI) or Payment Service Providers (PSPs), would be a plus

– Strong analytical skills with experience in conducting market landscape analysis, identifying USPs, defining target audiences, and assessing competitors to inform sales strategies

– Expertise in setting, monitoring, and achieving sales KPIs and OKRs, coupled with experience in developing effective sales motivation and compensation plans

– Excellent collaboration skills, with a proven ability to work effectively with Marketing, Risk, Account Management, and Product Development teams to drive initiatives

– An advanced (C1) level of English proficiency, Native Ukrainian or russian language

Nice to have Understanding and experience within the FinTech industry, particularly with Electronic Money Institutions (EMI) or Payment Institutions (PI)

We offer

Empowerment Through Professional Development:

Yearly allocation for advancing your professional expertise

Unlock Your Potential:

Transparent career growth with opportunities to achieve Lead roles within 1 year, Head roles in 2 years, and even C-level within 4 years, based on exceptional performance

Performance reviews are anchored in KPIs, ensuring recognition is merit-based

Make a Lasting Impact:

Work on unique projects where your contributions can reshape company-wide processes

Bring your ideas to the table and earn exceptional bonuses through our PayDo Ideas Hub

Flexible and People-Centric Culture:

Days of paid vacation annually, with the flexibility to transfer unused days or receive compensation

Days of paid sick leave annually, accommodating emergencies and medical needs

Additional holidays aligned with your local calendar

🔹Who we are!

At Levi9, we are passionate about what we do. We love our work and together in a team, we are smarter and stronger. We are looking for skilled team players who make change happen. Are you one of these players?
 

🔹About the project

Our client is a leading media company in Western Europe, delivering high-quality content across various platforms, including newspapers, magazines, radio, TV, websites, apps, and podcasts. Their brands reach millions of people daily, shaping the media landscape with independent and trusted journalism.
 

🔹About the job

You’ll be working on a personalisation engine that serves all customers of our client, across all media offerings. The customer team is a cross-functional- with data engineers, ML engineers, and data scientists.
 

🔹Responsibilities

• Maintain and extend our recommendation back-end.
• Support operational excellence through practices like code review and pair programming.
• The entire team is responsible for the operations of our services. This includes actively monitoring different applications and their infrastructure as well as intervening to solve operational problems whenever they arise.
   

🔹Your key skills:

• analyze and troubleshoot technical issues
• communicate about technical and functional requirements with people outside of the team
   

🔹Required qualifications:

• a positive and constructive mindset and give feedback accordingly
• high standards for the quality of the work you deliver
• a degree in computer science, software engineering, a related field, or relevant prior experience
• 5+ years of software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations experience
• can-do and growth mentality that communicates clearly
• affinity with data analysis
• a natural interest in digital media products

🔹The candidate should have:

• Experience in building microservices in Python and supporting large-scale applications
• Experience building APIs with FastAPI
• Experience in developing applications in a Kubernetes environment
• Developing batch jobs in Apache Spark (pyspark or Scala)
• Developing streaming applications for Apache Kafka in Python (experience with Kafka is a big plus)
• Working with CI/CD pipelines
• Writing Infrastructure as Code with Terraform
• AWS certification at the Associate level or higher, or willingness to obtain it
• Nice to have: machine learning knowledge
   

🔹9 reasons to join us:

1. Today we're working with the technology of tomorrow.
2. We don't wait for a change. We are the change.
3. We're experts in creating experts (Levi9 academy, Lead9 program for leaders).
4. No micromanagement. We are free birds with a clear understanding of what the high performance is!
5. Learning in Levi9 never stops (unlimited Udemy for business, meetups, English&German courses, Professional trainings).
6. Here you can train your body and mind.
7. We've gathered the best locations - comfortable, cozy and pet-friendly offices in Kyiv (5 minutes from Olimpiyska metro station) and Lviv, with regular offline internal events
8. We have master's degree in work-life balance.
9. We are actively supporting Ukraine with constant donations and volunteering

About us

We are a Shopify agency helping international eCommerce brands from the US and Europe scale their online sales.
Even though our team is still relatively small, we already work with established clients and run several projects in parallel.
Our strengths are fast decision-making, zero bureaucracy, and a high level of responsibility for the final result.
We are growing quickly and now looking for a Project Manager who will become a key part of the team and help bring our processes to the next level.

What you’ll do

• Manage several eCommerce projects in parallel (mostly Shopify, occasionally WordPress).
• Organize the full process: from kick-off to delivery (planning, deadlines, QA).
• Communicate directly with clients (Slack, Zoom, Email) and maintain transparent communication.
• Create and track tasks in ClickUp.
• Coordinate developers, VA, designers and QA.
• Keep things structured: documentation, reports, checklists.

Who we are looking for

• 2+ years of experience as a Project Manager in IT (preferably web/eCommerce).
• Experience working with US/European clients.
• Upper-Intermediate+ English (both written and spoken).
• Ability to clearly set tasks and control their execution.
• Experience with task trackers (ClickUp / Jira / Trello).
• A proactive, responsible person who doesn’t need micromanagement.

Nice to have:

• Experience with Shopify/eCommerce.
• Basic understanding of web development processes.

What we offer

• Work with established international eCommerce brands.
• A key role in the team (influence on processes and company scaling).
• Opportunity to grow into Head of Project Management and build your own PM team in the future.
• Zero bureaucracy and quick decision-making.
• Remote work.
• Payment in USD (depending on experience level).

If you want to become not just a “task manager” but a true driver of our agency’s growth — we’d love to have you on the team.

🚀 Hi! Welcome to Megafair — an international startup provider in the skill-based and slot iGaming niche, where excitement meets intellectual challenge. We create high-quality, innovative gaming products that set new industry standards and captivate players worldwide.

With a truly global team, we work across multiple markets, blending creativity, technology, and expertise to deliver exceptional gaming experiences. Our vision is bold, and our plans are big — this is your chance to join us from the ground up and grow together with a fast-scaling startup.

If you’re ready to be part of a team where every idea matters, challenges inspire, and achievements are celebrated, MegaFair is the place to make your mark.

REQUIREMENTS

• 5+ years of proven experience as an Engineer with an architectural focus;
• Solid background in designing, building, and scaling distributed production systems;
• Strong knowledge of architectural principles, high availability, scalability, and fault-tolerance best practices;
• Experience with Apache Kafka and real-time data pipelines;
• Proficiency with Spring/Spring Boot/Spring Cloud; experience with Quarkus is a plus;
• Familiarity with DevOps practices, scripting, and Docker (power-user level);
• Strong knowledge of both relational and NoSQL databases, with advanced SQL skills;
• Experience integrating B2B systems and optimizing for performance and security;
• Comfortable working under high-load, high-volume data conditions;

• English: B2 or higher.

   

WE OFFER

• Compensation: competitive salary;
• Tech tools: modern technical equipment;
• Time Off: 20 vacation days, 10 sick days annually;
• Work-Life Balance: flexible remote, options without time tracking;
• Language Learning: reimbursement for foreign language courses;
• Support network: work with a team you can learn from, and every day;
• Diversity: we pride ourselves on our international working environment;
• Power supply: compensation for electricity, power banks, generator fuel, etc.;

• Professional Growth: emphasis on internal promotions for career advancement.

   

RESPONSIBILITIES

• Lead architectural design and development of high-performance, scalable systems;
• Collaborate with cross-functional teams to define technical strategy, align on priorities, and deliver results;
• Actively code, review, and optimize existing systems for performance, security, and stability.
• Drive integrations between platforms, ensuring seamless operation and optimal partner experience.
• Maintain high coding standards, documentation, and security best practices.

• Anticipate technical challenges, propose solutions, and ensure readiness for scaling.

   

CANDIDATE JOURNEY
Interview with a Recruiter - Interview with CTO - Test Task - Job Offer

Trueplay is a Loyalty Booster Suite that enables iGaming brands to build lasting customer relationships based on trust and mutual benefit. It features three programs that ensure player interactions with gambling platforms are exciting right from the start.

We offer solutions on three epic levels:

• Acquisition and engagement — CopyStake introduces users to an iGaming website, allowing them to bet alongside their favorite streamers.
• Retention — the Play to Earn and Hold to Earn loyalty programs keep player engagement high by guaranteeing rakeback and distributing a share of the platform’s revenue.
• Brand equity — the tokenization of loyalty points helps transform users’ affinity for a brand into a personal interest in its financial success. In Trueplay’s take on Web3 loyalty, players feel like casino stakeholders.

More than 20 iGaming brands from 18 markets are fostering player loyalty with Trueplay. 

Our internal team is currently looking for a skilled Senior ML Engineer.

It is important for us that you have:

• 5+ years of professional experience in software engineering/ML engineering
• Strong programming skills in Python (pandas, NumPy, scikit-learn, PyTorch, TensorFlow)
• Solid experience with cloud platforms (AWS/GCP/Azure) and containerization (Docker, Kubernetes)
• Hands-on experience with MLOps tools (MLflow, Kubeflow, Airflow, SageMaker, Vertex AI, etc.)
• Knowledge of data engineering (ETL pipelines, streaming data, batch processing)
• Strong background in algorithms, data structures, and distributed computing
• Experience deploying and monitoring ML models at scale
• Excellent problem-solving and communication skills

You will be responsible for:

• Designing, implementing, and optimizing end-to-end ML pipelines (data preprocessing, model training, deployment, monitoring)
• Collaborating with data scientists to move ML models from research to production
• Ensuring scalability, reliability, and performance of ML services in production environments
• Developing tools for experiment tracking, model versioning, and reproducibility
• Working with big data platforms (Spark, Hadoop, Snowflake, Redshift, etc.)
• Implementing MLOps best practices (CI/CD for ML, monitoring, automated retraining)
• Conducting code reviews, mentoring junior engineers, and leading technical discussions

We offer:

• Remote work
• Two meeting hubs in Warsaw, Poland, and Kyiv, Ukraine
• Flexible working hours
• Compensation that includes coverage for 20 days to recharge and unwind
• Additional support covering 14 days for health-related matters when needed
• Support in professional growth during the initial months, with guidance from experienced team members
• Engaging corporate events and activities
• Competitive financial compensation