Jobs at Djinni

LuckyStart CRM Manager  

Who is LuckyStart?

 LuckyStart is a powerhouse of digital marketing specialists bringing fun online casino experiences to the online gambling world.
LuckyStart Casino provides players with an entertaining place to spend their time while being guided through the levels of the VIP program, receiving exciting bonuses as they go. With an ever growing digital presence in the casino world, we are looking for someone with a drive for results and success to take our brands to the next level.

Role Overview

 You will work closely with the team in helping to implement and enhance the overall CRM strategy for LuckyStart Casino. You will set up new marketing campaigns, aimed to increase the retention and conversion rates, along with improving customer value and engagement.

With CRM at the heart of the business, ongoing optimisation of campaigns to build and strengthen our loyal customer base should be at the front of your mind. This role will suit a motivated, organised and proactive and hands-on person wanting to be part of a fast paced digital business. You must have good communication skills and an eye for detail. You must be an enthusiast for data marketing, user experience and optimisation.

Responsibilities

●      Implement marketing campaigns aimed to improve retention       and conversion performance.

●      Design and create profitable promotions to increase player       engagement and revenues

●      Coordinate between different business owners in planning, designing, and executing the
marketing activities.

●      Monitor campaign performance and make recommendations for improvement.

●      Become an expert user of our campaign management tool

●      Generate and filter segmentation lists to prepare for execution of Email & SMS content.

●      Work with a Content Management Systems to set up site campaigns on desktop and mobile.

●      Daily work includes operating an admin system, analysing & reporting, testing, and HTML coding.

●      Meet daily deadlines and objectives in a fast-paced environment.

●      Liaise with content and design to align player promotions

●      Build and manage player bonuses, ensuring smooth running

●      Write player emails, push notifications and SMS

●      Live and breath customer journeys, from first visit all the way into the life cycle, implement tests and offer ways to improve it.

Requirements

●      At least 2-year experience as a CRM/ Marketing Coordinator

●      Hands on of Customer.io experience is a must 
●      Experience with Softswiss platform highly desirable   

●      Strong knowledge in online casino products

●      High level written and spoken English

●      Experienced in managing and analysing data

●      Proactive, meticulous, and organised

●      Proficient using Microsoft Office (particularly Excel) 

●      HTML/CSS knowledge (ability to edit existing code)

●      Eager to learn and willing to receive feedback

What We Can Offer:
Remote working
Flexible working hours
Company Performance Bonuses

Opportunity for growth and development

 

Junior/Mid Lead Generator on Upwork

💡 Kickstart your IT sales career with real Upwork experience!

We are an international consulting company looking for a motivated Lead Generator to help expand our client base globally via Upwork.

Whether you’re just starting in IT sales or looking for a structured environment to grow, this is your chance! Full training is provided, including hands-on experience with Salesforce CRM and real client sourcing on Upwork.

About Us

We are a consulting company specializing in Salesforce CRM implementation for clients worldwide, primarily startups and growing mid-sized businesses.

We help companies automate their processes, improve sales efficiency, and scale faster with the right CRM solutions.

Our team is small, flexible, and fast-moving, with a strong startup mindset. We value initiative, ownership, and new ideas — everyone here makes a real impact.

Why You’ll Love Working With Us

• Hands-On Training: Learn lead generation, B2B research, Upwork outreach, and Salesforce CRM from scratch.
• Continuous Learning: Get access to internal knowledge and mentorship to sharpen your sales skills.
• Career Growth & Opportunities: Clear path to Sales roles; we grow fast and want you to grow with us.
• Influence the Process: We value your voice. You’ll have the opportunity to suggest changes, improve our sales workflows, and directly impact how the company operates.
• Earn What You Deserve: Competitive base salary + commission on closed deals.
• Upwork Experience: Gain practical, in-demand skills working directly with international clients.
• Diverse Industry Exposure: Work with clients across multiple industries and markets.

Your Responsibilities

• B2B Research: Identify potential clients using Upwork, LinkedIn, Google, and other databases.
• Upwork Outreach: Communicate with prospects and generate qualified opportunities.
• CRM Management: Maintain accurate records in our CRM.
• Collaboration: Work closely with the sales team to deliver qualified leads and improve outreach strategies.
• Reporting: Share concise reports on your activities and results.

What We Expect From You

• English level: B1 or higher.
• Strong attention to detail, logical thinking, and responsibility.
• Desire to learn and grow in IT sales/marketing.
• Experience in lead generation, research, sales is a must, experience in Upwork is an advantage, but not required.

What We Offer

• Education & Mentorship: Constant support and training to ensure your professional growth.
• Fully remote work with flexible hours.
• Real career growth in IT sales and CRM consulting.
• Proactive environment: Opportunity to influence company processes and bring your ideas to life.
• Paid vacation: 18 days per year.
• Paid sick leave.
• Friendly, supportive international team.

Overview

About the partner company:

– Founded in 2020, with over 60 unique online slots developed
– A team of more than 90 professionals, continuously growing
– Two strategically located offices in Europe

Main Responsibilities

– Game engine development and support
– Development of tools for creating, debugging, testing games
– Write clean code
– Implement new core-features in games
– Support games after release

Mandatory Requirements

– 3+ years of front-end software development experience
– 2+ years of experience with Pixi within the gambling / game industry
– Understanding the principles of asynchronous programming
– Understanding of the principles of SOLID, GRASP, KISS, DRY, YAGNI
– Understanding OOP principles
– Stay updated with the latest trends and technologies in frontend development
– Propose and implement innovative solutions to improve the development process
– Experience in developing process automation tools

We offer

– 7 hour working day 10:00AM — 6:00 PM (with the lunch break)
– Hybrid format of working day OR Remote
– A-class office, Mokotow, Warsaw
– Competitive salary in the IT field, fixed in €
– Paid taxes
– State holidays are paid
– 10 days for paid sick leave
– 28 days of paid vacation: 18 and 10 days separately
– Medical Insurance
– Courses/training reimbursement
– Corporate English courses: business or general, morning or evening schedule
– People-oriented company with the work&life balance
– Opened and friendly communication
– Corporate team buildings and activities

Quantum Systems is shaping the future of aerial intelligence through cutting-edge UAV technology. We are looking for a Senior Talent Acqusition Partner to join our growing team and help us attract top engineering and R&D talent to drive innovation in the UAV domain. You will own the full recruitment cycle for highly technical roles, partnering closely with hiring managers to build strong teams in software development, embedded systems, and research & development.

This is a hybrid job. Candidates must be located in Kyiv.

What is your Day to Day Mission:

• Manage end-to-end recruitment for technical and R&D positions (Software, Embedded, Hardware, Systems, QA, etc.)
• Partner with engineering and product leaders to define job requirements, candidate profiles, and hiring strategies
• Develop and execute sourcing plans using multiple channels (LinkedIn, professional networks, referrals, events, specialized communities)
• Screen and evaluate candidates for technical fit, motivation, and culture match
• Coordinate interview processes and ensure a smooth candidate experience
• Maintain and update candidate pipelines and reports in the ATS
• Contribute to employer branding initiatives, including outreach campaigns and tech events
• Support continuous improvement of recruitment processes and tools

• Collaborate with HR and onboarding teams to ensure successful candidate integration

   

What you bring to the team:

• 3+ years of experience in technical recruitment (R&D, engineering, or software roles)
• Strong understanding of technical roles, tools, and terminology (software development, embedded systems, electronics, AI/ML, etc.)
• Proven experience hiring in a fast-paced, innovative environment — ideally within hardware, aviation, robotics, or defense tech sectors
• Familiarity with modern sourcing tools and ATS systems

• Upper-intermediate level of English (both written and spoken)

   

Key Competencies:

• Excellent communication and stakeholder management skills
• Analytical and structured approach to sourcing and assessment
• Proactive, adaptable, and goal-driven mindset

• Passion for technology and talent building

   

Why Quantum-Systems:

• We Stand with Ukraine!
• We believe in the power of combined efforts: straightforward tech expertise paired with a customer-centric focus.
• We are industry pioneers who are ambitious, bold, and visionary.
• We push limits, think outside the box, and strive for technological excellence to shape the future of aerial data.

• We promise to be your runway for individual and professional growth.

   

About us:

Quantum Systems specializes in the development, design, and production of small Unmanned Aerial Systems (sUAS). The company’s range of electric vertical take-off and landing (eVTOL) sUAS are built to maximize range and versatility and to provide operators with a seamless user experience. By integrating cutting-edge software capabilities, like edge computing and real-time AI-powered data processing, Quantum Systems is building next-generation UAS for clients in defense, security, public sectors.

DMT Business Development is a leading B2B lead generation and appointment setting agency. We create tailored & effective strategies for clients based on their needs and goals. Our team generated over 2m leads for hundreds of clients and booked 10k+ appointments with businesses of any scope.

Currently we have an open vacancy for Sales Development Representative.
 

Responsibilities:

• Communicate with potential clients via LinkedIn and email (we provide templates and contact lists);
• Handle responses, convert leads conversations into appointments;
• Make calls to prospects as a follow-up step if required;
• Prepare simple weekly and monthly reports;
• Join weekly calls with our team and clients from the US and/or Europe.
   

Ideal Candidate Profile:

• 1+ year of experience in sales, business development, or lead generation;
• Strong written and spoken English (B2/C1);
• Highly organized, proactive, and eager to learn;
• Able to multitask and adapt quickly in a dynamic environment;
• Passionate about growing in sales and business development;
• Results-driven mindset with a focus on exceeding targets and delivering value to clients.

Working conditions:

• Working hours: Monday-Friday, 2 PM to 10 PM (Kyiv time);
• 20 paid vacation days per year and company events.
• A young and friendly team environment.
• Benefits include company guarantees, bonuses, and corporate event.

About PayPro Global:
PayPro Global powers software and SaaS businesses to sell worldwide. We simplify global payments, compliance, and revenue operations, enabling our clients to grow internationally with ease. Our team is dynamic, fast-paced, and creative, and we are looking for a UX/UI Designer to match that energy.
 

The Role:
We’re looking for a talented Designer to create visually stunning digital assets at scale. You’ll design landing pages, ad creatives, presentations, and marketing materials that drive engagement and conversions. This is a high-volume, fast-moving role — perfect for someone who loves producing a lot of creative work every week.

Responsibilities:

• Design landing pages, marketing ads, banners, and presentations aligned with our brand
• Convert marketing concepts into functional, high-converting visuals
• Ensure responsive design across devices
• Collaborate closely with the marketing team to meet creative and performance goals
• Contribute to and maintain brand style consistency
   

Requirements:

• 1+ year of experience as UX/UI Designer is a must
• SaaS/ B2B design familiarity
• Understanding of responsive design
• Ability to determine UX issues and provide solutions
• Strong skills with Figma
• Photoshop/Illustrator experience is a plus
• Good communication skills in English
• Ability to handle multiple projects daily in a fast-paced environment
   

Application Requirements:

• Applications are accepted ONLY with a CV & portfolio (Figma or live work samples)
   

Hiring Process:

1. Intro Interview — brief “get to know you” call 
2. Design Test — shortlisted candidates complete a practical design task
3. Final Interview — discussion of test results, expectations, and fit
    Only candidates who pass each phase move to the next.
   
   What you’ll get:

• A competitive, $ based salary with the potential to scale
• Mentorship, to be part of a real team and work with some truly outstanding people.
• Fully paid sick leave
• Annual vacation of 14 working days and UA public holidays
   

An exciting role awaits! Think you’re a match? Apply now — our team reviews every application and will reach out soon.

🎯 Role Purpose

Be the Founder’s right hand — anticipating needs, executing with speed and accuracy, and creating order and flow across the Founder’s business and personal ecosystem. Your mission is to free up the Founder’s time, energy, and mental space while staying aligned with his voice, principles, and strategic direction.
 

🧬 Core Archetype

Integrator & Guardian of Flow — a calm but fast executor who translates vision into structured action. You connect strategy with execution and ensure nothing slips through the cracks.
 

⚙️ Key Traits

• Fast comprehension: Quickly understands the Founder’s thinking, tone, and logic.
• Cultural fluency: Balances Eastern diplomacy and respect with Western efficiency and clarity.
• Resilient under pressure: Thrives in proximity to a Founder—fast decisions, multiple inputs, high expectations.
• Executor mindset: “Just do it” attitude — resourceful, solution-first.
• Emotionally mature: Low drama, calm logic, high intuition.
• Loyal & discreet: Absolute confidentiality across business and personal matters.
• Growth-oriented: Learns fast, adapts, and values being close to decision-making.
   

💼 Ideal Background

• 3–5 years supporting Founders, Entrepreneurs, or CEOs (beyond corporate admin).
• Experience in fast-paced, multi-project environments.
• Social media/brand/communications experience preferred.
• Exposure to home services, tech startups, or venture-backed companies is a plus.
• Fluent English (C1+). Understanding of Russian or Uzbek tone/culture is ideal.
   

🧠 Personality DNA

• Temperament: Strategic yet grounded; proactive; steady energy.
• Core strengths: Responsibility, Organization, Activator, Adaptability.
• Mindset: Thinks like an owner, not an employee.
• Drive: Turns chaos into systems.
• EQ/IQ balance: High EQ; data- and results-driven.
   

🌍 Cultural Alignment

• Founder was born/raised in Uzbekistan and lived 22+ years in the U.S.: be respectful yet direct; structured yet flexible; loyal and efficient.
• Observes respectful boundaries (“вы” vs “ты” dynamic).
• Frugal, optimization-first mindset.
• Prefers logic over emotion; long-term wisdom over short-term reaction.
   

📅 Working Rhythm

• Flexible hours; availability > presence.
• Reachable on Slack, Telegram, WhatsApp, Email, SMS, Instagram.
• Responsiveness: within 5–15 minutes during active hours.
• Personal time is fine if communication lines stay open.
• Mostly async; daily syncs or voice notes with the Founder.
• Light, flexible weekend availability for urgent approvals/posts.
   

🧩 Core Responsibilities

A) Strategic & Executive Support

• Own the Founder’s calendar and schedule across entities.
• Anticipate bottlenecks and proactively clear them.
• Keep the Founder accountable on strategic and recurring priorities.
• Prepare briefs, capture minutes, and drive follow-through.

B) Communication & Coordination

• Manage multi-channel correspondence; organize all inbound.
• Translate the Founder’s messages with diplomacy and precision.
• Liaise with Chief of Staff, leaders, and partners.
• Ensure alignment between Founder intent and team execution.

C) Social Media & Content Support

• Know the Founder’s content history and voice.
• Draft/review/schedule posts aligned with tone and values.
• Coordinate with Social Media team to maintain brand voice.
• Optionally manage a shared ChatGPT account for content ideation.

D) Travel & Events

• Run logistics, bookings, itineraries; prevent overlaps.
• Track key dates (family, team, investors); handle gifts/acknowledgements.

E) Care Function

• Monitor wellness basics: meals, vitamins, hydration, rest.
• Prepare environments for meetings (office, car, travel).
• Ensure coffee/snacks/water are ready when in person.
   

🔄 Growth Path

• EA/PA Hybrid (0–3 months): Build trust; handle personal + business tasks.
• Full Executive Assistant (3–6 months): Own calendar, comms, daily ops.
• Chief Assistant / EA + Ops Coordinator (6–12 months): Bridge Founder and departments.
• Strategic EA / Partner (12+ months): Strategic alignment, board prep, investor comms.
  Note: High-growth environment; top performers often advance into operations or leadership roles.
   

💎 Compensation

• $2,000–$3,000/month USD, based on experience, performance, and time saved for the Founder.
• Bonus potential tied to measurable impact (time saved, projects delivered, efficiency gains).
• Growth based on performance, not tenure.
   

🔥 Success Indicators

• Founder’s calendar and inbox are consistently under control.
• Seamless, low-friction communication across all channels.
• Founder spends more time on strategy, less on coordination.
• No repeated instructions — you anticipate and systematize.
• Team sees you as “the Founder’s extension.”
• Founder feels mentally lighter and more focused.
   

Location

• Remote-first with potential occasional in-person support depending on location.
   

How to Apply

• Send your resume or portfolio plus a short note (5–10 sentences) explaining:

  • A time you turned chaos into a system.
  • How you’ve captured and replicated an executive’s voice.
  • Your typical responsiveness window and preferred tools.

   

If you’re a disciplined executor with sharp judgment, cultural nuance, and a builder’s mindset, we’d love to meet you.

Company

Zoot is a global provider of cloud-based instant credit decisioning, risk management, loan origination, workflow and case management solutions. For more than 30 years our innovative tools and services have enabled Zoot clients – leading banks, payment service providers, automobile and asset finance companies – to meet and exceed their business objectives. Zoot enable their clients to adapt faster than their peers to successfully seize market opportunities. Zoot’s clients benefit from unrivalled reliability via a highly scalable private cloud-based service that processes billions of real-time decisions annually.

Over the past 15 years, Zoot has achieved remarkable growth in Europe, establishing offices across Switzerland, Germany, the United Kingdom, and Ukraine, while building a team of over 50 exceptionally talented individuals.

Responsibility

• Maintain and expand the office infrastructure: PCs, laptops, printers, switches, etc.

• Support team members with infrastructure-related questions and issues.

• Maintain, improve, and enhance the internal network and IT infrastructure.

• Provide 2nd and 3rd level support (diagnose, troubleshoot, resolve).

• Maintain a strong focus on ensuring system stability, redundancy, security and high availability.

• Monitor, audit, optimize, and maintain Zoot’s infrastructure.

• Support application installations and deployments.

Profile

• Degree in Information Technology or a related field.

• Experience in setting up and configuring desktop PCs and laptops with well-known OS (Windows, Mac).

• Knowledge of data protection, security principles.

• Experience with MS Office, Confluence and ticketing systems such as JIRA.

• Accurate and analytical working style with high attention to detail.

• Upper-intermediate English.

Zoot Offers

• Competitive salary and a high-quality working environment.

• Know-how, professionalism, and an international market-leading reputation.

• Interesting and challenging international clients and projects.

• Highly motivated, highly qualified team of friendly colleagues.

• Flexible working schedule.

• Financial support for relevant certifications and professional events.

INFOBUS Holding is an international IT company founded in 2002.
We develop technologies that automate the passenger transportation market and simplify travel for millions of people worldwide.
 

Our Products:
🔹 Bussystem.eu — a universal SaaS system for ticket booking and passenger transportation management
🔹 INFOBUS.eu — a marketplace for selling bus, train, and flight tickets

We are currently looking for a Data Analyst to join our team and help us make data-driven decisions that move our products forward.
 

What You’ll Be Doing:

• Develop and optimize SQL queries in BigQuery with a focus on performance and cost efficiency. Maintain and improve existing SQL solutions.
• Implement and perform ad-hoc tasks to help requestors make better decisions.
• Work with other parties of the company to understand and translate their needs into data-driven solutions (reports, dashboards, etc.).
• Develop and maintain dashboards in Looker Studio.
• Maintain documentation for data sources, dashboard logic, etc.
   

What’s Important:

• 2+ years of experience in data analytics
• Advanced skills in SQL (BigQuery), Looker Studio (Tableau, Power BI)
• Experience with Google Analytics
• Strong problem-solving and analytical thinking skills
• Ability to identify key business needs and think critically
• Attention to detail, maintaining clean, consistent, and accurate data
• Ability to work independently, take ownership of projects, and deliver effectively

What We Offer:

• Work in an international product company with ambitious tasks
• Remote format + flexible schedule
• A team that values quality, initiative, and transparency
• A product that makes a real impact on millions of users
   

Interested in this opportunity? Send us your CV! 🚀

In the position of Financial Manager of Payment Methods, you will communicate with representatives of providers in English, process large datasets, and participate in process automation.
 

Your tasks:

• Monthly filing of Payment Service Provider (PSP) reporting: Offloading cash flow data, transforming and preparing raw data for analysis.
• Finding and analyzing errors in PSP operation, and proposing solutions.
• Active communication with representatives of payment systems (confident English is required).
• Reconciliation of payment providers’ contractual terms and conditions with actual data.
• Filling and administering the knowledge base on payment providers.
• Participation in the automation of work with data from providers.
   

Our сriteria:

• Strong analytical skills in working with a large amount of data (analyzing cash flows within the framework of PSP, banking, and other financial structures).
• Experience in communicating with representatives of foreign companies in English.
• Advanced Excel user (Power Query, complex formulas, tables at the level of data filling automation). Creation of ready-made templates for adapting source data.
• High level of responsibility and self-organization.
• Knowledge and practice of English, at least at the intermediate level.
• Experience with PSPs (Payment Service Providers), and understanding their working principles for at least 1 year, will be an advantage.
   

Your Strengths:

• Demonstrates a commitment to continuous learning and professional growth.
• Possesses the ability to analyze data, work easily with figures, and find solutions in controversial situations.
• Exhibits responsibility and has no problems with self-organization.
• Is communicative.
   

Our offer:

• We are global, we don’t stick to office or remote options only
• We value work-life balance and start anytime from 8 to 11, with flexible lunchtime
• We trust each other and provide unlimited vacation days and sick-leaves
• We support our people and provide relocation options for team members, who are interested
• We encourage growth and cover 50% of learning expenses
• We believe in potential and prefer to promote internally, giving everyone a chance to prove themselves, and building our company around talents above anything else
• We are small enough to hear the opinion of every team member, and already big enough to act on the best ideas - an opportunity to have a visible and immediate impact

Key Responsibilities:

• Analyse and formalise requests from business and stakeholders; conduct sessions to clarify problems, goals, and context;
• Identify and decompose problems; apply techniques for information gathering and structuring (interviews, document analysis, observation, data analysis);
• Prepare and refine business and functional requirements;
• Create User Stories and Acceptance Criteria for tasks in Jira/YouTrack;
• Support the Product Owner in analysing, clarifying, and preparing requirements, as well as in managing priorities and task planning;
• Prepare and maintain up-to-date documentation in Confluence;Work with context — understand dependencies between tasks, systems, and teams;
• Participate in roadmap preparation and ensure consistency of product development plans;
• Verify the requirement implementation accuracy together with QA;
• Participate in daily stand-ups, planning sessions, and retrospectives;
• Use basic prototyping tools (e.g., Marvel, Figma, Miro) to clarify user flows and logic;
• Review final designs required for task definition;
• Collaborate with the development team to clarify implementation details;Keep the backlog and task statuses up to date.

Core Skills:

• Strong communication skills and the ability to solve problems diplomatically and build constructive team relationships;
• Understanding of SDLC, Agile, and Waterfall principles;
• Ability to formulate clear, testable requirements and Acceptance Criteria;
• Solid understanding of frontend technologies (HTML, CSS) and client-server interaction principles;
• Basic experience working with design systems and understanding how to use them to refine requirements;
• Proficiency with Jira, YouTrack, Confluence, or similar tools;
• Systemic thinking and the ability to see relationships between requirements and product goals;
• Attention to detail and strong analytical, structured thinking.
   

Additional Skills:

• Experience in fintech or trading systems will be a strong advantage (but not mandatory);
• 1–2 years of experience in IT projects (as a Business Analyst, Product Owner Assistant, or QA);
• Understanding of web platform and API principles;
• Ability to create simple diagrams (BPMN, Flowcharts, User Flows);
• Experience collaborating with QA teams.
   

Language Requirements:

• Intermediate English level for working with technical documentation and team communication.

We offer:

• An interesting project and non-trivial tasks that will allow us to show our professional attitude and creativity;
• Friendly team;
• Comfortable working schedule and working conditions;
• Opportunity to work remotely as well as in an office located in the city centre;
• Stable, competitive salary;
• Paid vacation and sick leaves;
• Opportunity for professional growth and career development;
• English, paid professional courses, coffee/fruits and other pluses :)

Job Description

Must have requirements:

• Overall 5+ years of commercial experience;
• Overall 3 + years of Kernel and Linux development experience;
• Experience with Linux System development (C/linker gcc/clang);
• Experience with Linux Kernel drivers (in tree/out of tree) development;
• Understanding of Linux internals knowledge (device drivers, interrupt handling, synchronization, memory management, processes, etc.);
• Experience with Kernel space and user space debugging;
• Git (github/gerrit) or any large source code management experience;
• Experience with build systems (make/Cmake/Yocto/OpenEmbedded technology);

Nice to have:

• Linux optimization techniques;
• Expirience with Kernel versions 4x-6x;
• Experience with python/bash/perl/lua;
• Contribution to various open-source projects will be a plus;

Job Responsibilities

• Develop Linux system-level patches for customer's internal distro based on OpenEmbedded/Yocto;
• Support and migration of an internal Linux distro to new versions of OpenEmbedded;
• Develop and maintain system software (libraries);
• Linux kernel versions migration;
• Develop and maintain build systems;
• Analyze product failures, fixing bugs and identify potential solutions;
• Software components integration (drivers, system libraries, applications);
• Customer-specific features development and upstreaming;
• Close interaction with opensource community;
• Collaborate with the other departments for requirements capture and clarification;
• Analyze system/subsystem performance and suggest optimization;

Department/Project Description

The American multinational technology company that designs, manufactures, and sells networking equipment. It's the worldwide leader in IT that helps companies seize the opportunities of tomorrow by proving that amazing things can happen when you connect the previously unconnected.

As part of our team, you'll be involved in various Linux kernel and userspace development, migration to new Linux kernels and OpenEmbedded versions, new features development, upstreaming features and patches to the community, and customer internal team support. Our team works closely with the community, and everyone contributes there.

Skill Category

Linux Kernel

Keyskills - Must Have

• C-Linux
• Linux
• C
• Linux Kernel
• Kernel development

Keyskills - Nice to Have

• Yocto
• Python
• Bash
• Perl
• Clang

Moon Active is a company driven by the mission to become a global leader in mobile gaming. Founded in 2011, our passion for creativity, cutting-edge technology, and delivering exceptional player experiences has resulted in games enjoyed by millions worldwide.
 

As a Unity Developer you’ll be working on one of the mobile gaming industry’s most complex and successful products, a large-scale, highly-optimized Unity codebase that serves millions of concurrent users globally. This isn’t your typical mobile game project. It’s a sophisticated, ever-evolving system that demands exceptional architectural thinking, performance optimisation expertise, and the ability to maintain quality at scale.
 

Responsibilities

• Architect & Build: Design and implement complex features within a large-scale Unity architecture, making decisions that impact millions of users
• Optimize Relentlessly: Drive performance optimization across rendering, memory management, and runtime efficiency for diverse mobile hardware
• Own Quality: Write comprehensive unit tests, maintain high code coverage, and create detailed technical documentation in Confluence
• Collaborate: Work closely with Technical Artists, Game Designers, and cross-functional scrum teams to deliver exceptional player experiences
• Innovate: Leverage cutting-edge AI tools (Cursor, Claude Code, GitHub Copilot, and custom AI automation) to accelerate development and enhance code quality
• Elevate the Platform: Continuously improve core architecture, establish patterns, and mentor team members on best practices

What Makes This Role Unique

• Scale & Complexity: Work on a mature, sophisticated codebase that handles real-world performance challenges at massive scale
• AI-Augmented Development: We heavily leverage modern AI tools (Cursor, Claude Code, Copilot, custom automation) to enhance productivity and code quality
• Technical Excellence: Join a team that values architectural thinking, clean code, and continuous improvement
• Impact: Your work directly affects millions of players and contributes to a product generating significant revenue
• Growth: Learn from experienced engineers, tackle meaningful technical challenges, and shape the future of our platform

Requirements

• 5+ years of professional software development with proven experience building complex, production-grade systems
• 2+ years of Unity development on 2D mobile platforms with deep expertise in Unity’s scripting APIs, rendering pipeline, UI systems, animation framework, and profiling tools
• Expert-level C# with strong understanding of language features, performance characteristics, and modern coding practices
• Solid CS fundamentals: Data structures, algorithms, design patterns, SOLID principles, and architectural decision-making
• Mobile optimization mastery: Deep understanding of memory management, draw call optimization, asset bundling, and platform-specific performance considerations
• Architectural mindset: Proven ability to design scalable, maintainable systems and make sound technical decisions in complex codebases
• Quality-driven: Experience with unit testing frameworks (NUnit, Unity Test Framework) and commitment to code quality
• Strong collaborator: Excellent communication skills and proven ability to work effectively in cross-functional teams
• Fluent in English and Ukrainian, both written and spoken

Nice to have: 

• Experience with dependency injection frameworks (Zenject/VContainer/Extenject)
• Unity Editor tooling development for workflow optimization
• Experience with reactive programming (UniRx) and async/await patterns
• Large-scale system design experience in games or high-traffic applications
• Familiarity with CI/CD pipelines, automated testing, and DevOps practices
• Experience with AI-assisted development tools (Cursor, Claude Code, Copilot) and workflow automation
• Knowledge of addressables, asset management strategies, and build optimization

Benefits

Why join Moon Active? 

• Be part of a leading global mobile gaming company with a unique product enjoyed by millions
• Thrive in an exceptional, innovative, and dynamic environment;
• Enjoy full transparency and open communication with talented colleagues across teams
• Take advantage of tremendous opportunities for professional growth and career advancement within a rapidly expanding company
• Influence and help build personalized product experiences that impact millions of users worldwide

We offer

• Generous compensation; paid vacation and sick leave
• Extensive medical and life insurance coverage for you and your family
• From Yoga & Pilates to CrossFit & running classes - we keep moving. Plus a MultiSport card to top it off
• Comfortable and modern office located on Królewska 16 street in Warsaw
• Free daily breakfasts and lunches, and a fully stocked kitchen with snacks and fruits
• Latest tech equipment, including macOS devices
• Training & Development/Tuition reimbursement
• Friend Referral Program with generous bonuses
• Fun and collaborative workplace culture with regular Friday Happy Hours and team gatherings
• Relocation bonus for candidates moving to Warsaw
• Bicycle and Car parking

🚀 React Native Developer — Fourmeta

About the role

Fourmeta is looking for an experienced React Native Developer to join our team and work on high-quality mobile applications for international clients.

One of the key projects is a React Native application using native modules, where the core functionality is a VPN service. The VPN connection itself is provided by a third-party provider, and RevenueCat is used for subscription management.

You will play a key role in developing, improving, and scaling mobile solutions with a strong focus on performance, stability, and user experience.

📱 Responsibilities

• Develop and maintain mobile applications using React Native
• Work with native modules and integrate them into React Native apps
• Implement and optimize performance for mobile devices
• Integrate push notifications, deep linking, and in-app subscriptions
• Work with third-party SDKs and APIs (including VPN providers and RevenueCat)
• Participate in code reviews and contribute to technical documentation
• Collaborate with designers, backend developers, and project managers
• Ensure high code quality, security, and app stability
• Prepare applications for publishing to App Store and Google Play
• Continuously improve development processes and technical solutions

🧠 Requirements

• 5+ years of hands-on experience developing mobile applications with React Native
• Strong proficiency with React Native and Expo
• Solid experience working with native modules in React Native
• Strong understanding of mobile performance optimization
• Experience with push notifications, deep linking, and native integrations
• Familiarity with publishing apps to App Store and Google Play
• Experience working with subscription-based apps (RevenueCat is a strong plus)
• Proficient in Git and modern version control workflows
• Ability to work independently and as part of a distributed team
• Strong problem-solving skills and attention to detail

🎁 What we offer

• 18 days of paid vacation
• 6 paid sick days per year
• Compensation for sports and fitness activities
• Flexible remote work format
• International projects and professional growth
• Friendly and transparent team culture
• Opportunity to work with modern technologies and real business impact

Language requirements
English — B2 (Upper-Intermediate) or higher

About Fourmeta
Fourmeta is a web-studio based in London, UK.
For many years, we have been creating and improving digital products for companies worldwide: mobile apps, web apps, e-commerce platforms, websites, and interactive solutions.

We are your full-stack design and development team. You have the idea — we’ll make it happen.

We search for a «willing to learn» person who wants to learn and develop enterprise-level web applications/websites.

Skills & Requirements:

• You’ve got at least 1 year of experience in JavaScript

• You’ve worked with some of the modern JavaScript frameworks — Vue.js

• You have experience with Node.js

• You have experience with PostgreSql 

• You feel comfortable communicating in English

• You’re passionate about solving new problems

• You are always looking for the best solution

We are offering:

-Senior team;

-Regular review;

-Long-term employment;

-Challenging projects;

-Certifications;

Responsibilities:

-Code review.

-Functionality improvements to an existing solution

-Increasing system stability, testability, maintainability, and security