Jobs at Djinni

Project start: As soon as possible / by mutual agreement
Duration: 6+ months (extension possible)
Workload: 100%
Location: Primarily remote, with 9 onsite days per year in Frankfurt am Main for planning sessions

Responsibilities
 

Data Analysis & Feature Engineering
- Perform complex ad-hoc data analyses to identify relevant factors influencing forecasting models
- Prepare, explore, and transform large datasets using Python (e.g., pandas, polars) and SQL
- Develop robust features to improve model accuracy and quality
 

Forecasting & Machine Learning Model Development
- Design, implement, and train statistical, machine learning, and time-series models
- Work with methods such as regression models and neural networks
- Select appropriate modeling approaches based on business requirements, data structure, interpretability, and scalability
 

Model Validation & Quality Measurement
- Define, calculate, and interpret key model evaluation metrics
- Conduct cross-validation, backtesting, and stability analyses to ensure reliable and generalizable forecasts
 

Model Comparison & Performance Monitoring
- Compare different modeling approaches using standardized evaluation frameworks
- Monitor model performance over time, including data drift and model drift detection
- Analyze deviations between forecasts and actual outcomes
 

Operationalization & Integration
- Support integration of forecasting models into production data pipelines on AWS
- Collaborate with Data Engineers and BI Developers to deliver model outputs for reporting, planning, and decision-making
 

Data Quality & Model Robustness
- Ensure high data quality through plausibility checks, outlier detection, and missing-data handling strategies
- Assess model sensitivity to data changes and assumptions
 

Documentation & Communication
- Maintain clear documentation of model assumptions, training processes, and validation results
- Communicate forecast quality, uncertainties, and limitations to business stakeholders and management
 

Continuous Improvement
- Continuously enhance existing models based on new data, stakeholder feedback, and changing business requirements
- Stay updated on best practices and new methods in forecasting and model evaluation
 

Governance, Security & Compliance
- Implement IT security policies, regulatory requirements, and internal programming standards
- Ensure data privacy, security, and compliance in all data processing activities

Required Qualifications
Mandatory Requirements
- 5+ years of practical experience in designing, implementing, and validating forecasting, machine learning, and time-series models in production environments
- 5+ years of hands-on Python experience, especially with pandas or polars for data analysis, feature engineering, and model development
- 2+ years of SQL experience for data querying and preparation
- 3+ years of experience in model validation and quality measurement, including evaluation metrics, cross-validation, and stability analysis

Nice-to-Have Qualifications
- Experience with forecasting, machine learning, or time-series models based on graph databases (minimum 2 projects)
- Experience integrating forecasting models into production AWS data pipelines (minimum 1 project)
- Experience analyzing and processing data from railway control and signaling systems (minimum 1 project)

For our partners, we are currently looking for an experienced HR Director to join a fast-growing international company in the fintech industry.
 

📍 Location: Barcelona| Spain (office-based format)
🕒 Employment type: Full-time
🌍 English level: Upper-Intermediate / Advanced — mandatory
 

Key expectations:

• Building and scaling HR processes within a dynamic fintech environment
• Developing and implementing HR strategy aligned with business goals
• Managing recruitment, onboarding, performance management, and employee engagement processes
• Supporting leadership and department heads in people-related decisions
• Building strong corporate culture and internal communications
• Experience working in fast-paced international environments will be a strong advantage
   

Requirements:

• Proven experience in a senior HR leadership role (HRD / Head of HR / People Partner Lead)
• Experience in fintech, IT, crypto, payments, or related tech-driven industries
• Strong understanding of modern HR practices and people management
• Excellent communication and leadership skills
• High level of ownership and strategic thinking
• Fluent English is required for daily communication with international teams and partners
   

We are looking for someone proactive, business-oriented, and capable of building effective HR infrastructure in a scaling international company.

Welcome to Win Media — Powering Next-Level iGaming Experiences! ✨ 

At Win Media, we create innovative, high-performance solutions that shape the future of online gaming 🎯

Our products combine smart operational processes ⚙️, seamless player experience 🎮, and data-driven decision-making 📊

With a passionate team and bold vision, we build casino platforms that are stable, scalable, and loved by players worldwide 🚀

We’re growing fast — and now looking for a  Game operations manager! 
 

🌟 What we expect from you

• 3+ years of experience in iGaming (Game Operations / Casino Operations)
• Proven experience working with Tier-1 GEOs (must-have)
• Strong understanding of the casino game lifecycle (adding, testing, activation, updates, archiving)
• Hands-on experience working with game providers and aggregators
• Experience with game integrations and provider communication
• Solid experience in managing Casino Lobby (categories, providers, collections)
• Understanding of game availability across GEOs, locales, and player segments
• Experience in monitoring game performance and identifying issues
• Strong attention to detail and operational mindset
• Ability to manage multiple tasks and large volumes of data
• Good communication skills and cross-functional collaboration
• English — Intermediate+ (for communication with providers and internal teams)
• Experience in iGaming B2C is a must
   

🎯 Your future responsibilities

• Manage the full game lifecycle: adding, testing, activation, updates, and archiving
• Work closely with game providers and aggregators (communication, issue resolution, integrations)
• Monitor game performance and availability across GEOs and player segments
• Review game rounds, investigate issues, and escalate to providers
• Maintain and optimize Casino Lobby (categories, providers, collections, game placement)
• Support new provider integrations and ensure smooth rollout of games
• Monitor product stability and escalate technical issues
• Collaborate with Product, Tech, and Support teams
• Handle game-related requests from Support/VIP teams
   

🎁 What We Offer

💰 Competitive salary and performance-based bonuses
📚 Professional growth in a fast-scaling iGaming company
🚀 Deep involvement in game operations and provider integrations
🤝 Supportive and collaborative team culture
🌍 Flexible work environment focused on growth and innovation

GoHard is looking for an experienced in Upwork (full-cycle) sales to join our Sales Team.
A person with a hunter mindset, who is passionate about sales and has strong communication skills.

Required Qualifications:
— 1+ years of sales experience in Upwork
— At least upper-intermediate level of English, both written and spoken, is a must
— General understanding of development process and technologies for web
— Understanding the sales funnel
— Able to work independent and organized
— Results in numbers
— Client-oriented approach, ability to understand client’s needs
— Ability to search, filter and analyze the most suitable Upwork job posts for the company
— Knowledge of different sales techniques.

Responsibilities:
— Full cycle of sales on Upwork
— Meeting Company Sales Targets
— Negotiating with clients, identifying their needs, and building long-term relationships
— Work with cold mailings
— Focus on Lead generation
— Generating ideas on how to improve sales activity.

We offer:
— Competitive salary with periodical reviews (rate + %)
— Paid vacation and sick leaves
— Work (9 −18, Mon-Fri)
— An active and experienced team

— Once week consultation with upwork consultant

We are looking for flutter developer for our music software

( work in Lviv or Kyiv,

remote work possibility ):

www.MusConv.com

About the project:

MusConv is b2c music software which helps people synchronize their music between music services: Spotify, Apple Music, YouTube Music, Amazon Music, Tidal and others.

We offer:

Challenging interesting project

Professional growth and development program

Flexible schedule

Team of highly talented individuals

Access to developer courses like https://www.pluralsight.com

Mentor: code reviews, studying

We are looking for flutter developer to implement new features

We’re looking for a hands-on Account & Operations Manager with a strong focus on B2B client management and delivery to own client relationships and projects end-to-end — from intake and onboarding to launch, delivery, ongoing support, and retention.

HOW YOU WILL MAKE AN IMPACT:

• Own B2B clients and projects end-to-end (from acquisition → onboarding → launch → ongoing support)
• Identify and engage new clients, supporting the business development process
• Build and maintain long-term client relationships and ensure ongoing account growth
• Act as the main point of contact: manage communication, follow-ups, and escalations
• Control timelines, SLAs, deliverables, and client expectations
• Align internal teams and external stakeholders to ensure smooth delivery
• Oversee contracts, invoicing, payments, and scope changes
• Identify and proactively flag delivery and financial risks
• Prepare clear client reporting and maintain transparency
• Improve and maintain internal and cross-functional workflows
• Ensure adherence to processes, SLAs, and agreed ways of working
• Identify bottlenecks and drive operational efficiency
• Implement SOPs and scalable processes
• Support teams in adopting and following workflows
• Work with Notion, Slack, Google Workspace, and CRM systems
• Set up and manage workflows and basic automations
• Take a hands-on approach to solving operational challenges

WHAT WILL HELP YOU SUCCEED IN THE ROLE:

• 3–5+ years in Account Management / Delivery / Operations (B2B) in IGaming/affiliate
• Strong client-facing experience
• Ownership mindset and strong execution skills
• Experience managing SLAs, timelines, and cross-functional dependencies
• Process-oriented thinking and optimization experience
• Strong communication and stakeholder management skills
• English B2+
• Confident with Notion, Slack, Google Workspace, CRM

Nice to have

• Exposure to contracts, invoicing, and finance coordination
• Jira, NetHunt CRM
• Automation / no-code mindset
• Basic understanding of integrations and workflows

HOW WE WILL KEEP YOU SMILING:

• Flexible working hours and a remote work setup, so you can plan work around your life and not your life around work!
• Unlimited vacation days and paid sick leave—because your rest matters.
• A competitive compensation that truly reflects your skills and expertise.
• Employee referral bonus and gifts to celebrate your special occasions.
• 50% financial support for learning expenses to supercharge your professional growth!
• A positive atmosphere where you always feel respected and truly belong.
• Inspirational team-building activities that turn colleagues into best friends.
• Wellness benefits: We’ll support your sports passions, from yoga classes to gym memberships.
• Co-working space reimbursement to save your nerves from always working from home :)

We are looking for a Head of Growth who will be responsible for driving

acquisition and scaling marketing performance across different channels.

Responsibilities:

Own the entire growth engine to drive growth

Drive performance through social media, influencers, streamers, SEO, community

content marketing, and PPC, to maximise acquisition performance.

Build and expand marketing networks and strategic partnerships to drive player

traffic and scale paid acquisition across crypto-friendly networks

Utilise data analytics to track, measure, and optimize campaign performance,

ensuring that KPIs are met or exceeded.

Own marketing performance KPIs to maximise ROI

Data-driven revenue scaling, focus on players LTV, and market expansion

Explosive User Acquisition

Scale marketing across all marketing channels

Primary focus Social channels,Influencers, streamers, ambassadors and paid ads

Launch influencer/KOL campaignsOptimize CAC vs LTV continuously

Data driven Growth Own CAC, LTV, ARPU, ROI metrics

Implement attribution dashboardsRun aggressive A/B testing cycles

Optimize funnels daily

Requirements:

Proven 3+ years experience in performance marketing with a Crypto gambling

Deep understanding of Web3 culture & crypto ecosystems

Strong analytical skills with experience using data to inform strategy and improve

marketing ROI.

Lead growth strategy across all marketing channels, paid channels, crypto

communities, streamers and influencer marketing.

Data-driven mindset with a focus on commercial KPIs

We are looking for professionals who can think outside the box and experiment with

new marketing strategies and innovate to drive growth.

Having experience in CSGO sites and casino is a plus

Why you should consider this opportunity

Remote-first format: Mon–Fri, 10:00–19:00 (UTC+2) — skip the commute.

Paid vacation & sick leave, plus an extra day off for your birthday.

Competitive compensation that fairly reflects your expertise and impact.

Engaging corporate events to learn, share experience, and grow with like-minded

professionals. No micromanagement: we trust our team, encourage initiative, and keep a flat

hierarchy for fast decisions.

Ongoing professional development: continuous support to build new skills and

advance your career.

Dynamic work environment: a profitable, forward-thinking company where every

specialist plays a key role.

24PLAY is a product company from Ukraine that has been developing and publishing mobile games since 2019. We are a team of professionals who have launched dozens of popular games and gained over 100 million satisfied players worldwide. Our games include Zombiepunk, Bliezkrieg Assault, Street Dude, and more.

We are currently looking for a Playable Ads Developer to share our core company values:

• Creativity: We actively encourage and embrace each other’s ideas, transforming them into reality through collaboration and innovative thinking.
• Integrity: We commit to providing honest feedback and realistically assessing situations, fostering a culture of trust and transparency.
• Productivity: We strive to optimize our workflows to achieve the best possible results in the shortest timeframe, ensuring efficiency and effectiveness in our operations.
• Uncompromising Quality: Our commitment to excellence drives us to prioritize the quality of our work above all else, ensuring that we consistently deliver outstanding results.
• Healthy Lifestyle: We advocate for a healthy lifestyle and stand against harmful habits, promoting well-being and balance within our team.

We are looking for a professional for the role that requires:

• Full-time job;
• Office-based in Kyiv.

Main responsibilities:

• Create 2D and 3D playable ads and creatives to promote mobile games
• Develop gameplay mechanics, game logic, animations, and visual effects

Our ideal candidate:

• 0,5+ years of experience working with JavaScript
• Experience building web applications or games using 3D graphics libraries (Three.js, Babylon.js, etc.) or experience with 2D JavaScript libraries such as PixiJS or similar
• Experience with JavaScript physics libraries (Ammo.js, Cannon.js, or similar)
• Solid understanding of 2D/3D math (vectors, matrices, dot/cross product)

Nice to have:

• Experience working with MRAID and understanding of ad network technical requirements for playables
• Experience creating games on any technology/platform (Unity, Flash, etc.)

Why join our team?

• Fully Legal: Official employment in full compliance with Ukrainian labor legislation, including paid vacation (24 days) and sick leave (unlimited).
• Professional Team: A high-performing group of skilled individuals committed to excellence.
• No Overtime: We prioritize a healthy work-life balance, with no overtime required.
• Stable Payments: No payment delays since the foundation of the company.
• Bonus System: A unique reward system designed to motivate employees by aligning their performance with the company’s financial goals.
• Professional Development: Access to mentorship programs and our internal library for continuous growth.
• Events: Enjoy board games, masterclasses, corporate events, sports activities, and free English classes.
• Comfortable Workspace: A modern office in Kyiv featuring a spacious lounge, fully-equipped kitchen, sports zone, cinema, and complimentary spa facilities for employees.
• 35-Hour Work Week: Reduced working hours as a benefit for experienced employees.

24PLAY is a product company from Ukraine that has been developing and publishing mobile games since 2019. We are a team of professionals who have launched dozens of popular games and gained over 100 million satisfied players worldwide. Our games include Zombiepunk, Bliezkrieg Assault, Street Dude, and more.

As a Diia City resident, we offer employee reservation starting from the first day of employment.

We are currently looking for a Junior/Middle Motion Designer to share our core company values:
 

• Creativity: We actively encourage and embrace each other’s ideas, transforming them into reality through collaboration and innovative thinking.
•  Integrity: We commit to providing honest feedback and realistically assessing situations, fostering a culture of trust and transparency.
•  Productivity: We strive to optimize our workflows to achieve the best possible results in the shortest timeframe, ensuring efficiency and effectiveness in our operations.
•  Uncompromising Quality: Our commitment to excellence drives us to prioritize the quality of our work above all else, ensuring that we consistently deliver outstanding results.
•  Healthy Lifestyle: We advocate for a healthy lifestyle and stand against harmful habits, promoting well-being and balance within our team.

We are looking for a professional for the role that requires:

• Full-time job;
• Office-based in Kyiv;

Main responsibilities:

• Create advertising creatives based on gameplay recordings or in-game assets (including capturing gameplay footage in Unity when needed);
• Generate fresh and engaging ideas for creatives.

Our ideal candidate:

• At least 1 year of experience in gamedev as a Motion Designer;
• Understanding of composition, editing principles and techniques, sense of rhythm, and ability to work with color;
• Ability to work with sound and basic knowledge of sound design;
• Understanding of core animation principles;
• Basic understanding of advertising creative structure;
• Proficiency in Adobe software (After Effects, Photoshop, Premiere, Illustrator), but you’re also welcome to use any additional tools you’re comfortable with;
• Ability to work with vector web animation (SVG, TGS formats).

Nice to have:

• Experience working with Unity and understanding of its basic components;
• Experience with 3D graphics / Blender / Ability to set up 3D renders (lighting, materials);
• Experience creating store assets for App Store and Google Play;
• Use of AI tools in daily workflows.
   

Why join our team?

• Fully Legal: Official employment in full compliance with Ukrainian labor legislation, including paid vacation (24 days) and sick leave (unlimited).
• Professional Team: A high-performing group of skilled individuals committed to excellence.
• No Overtime: We prioritize a healthy work-life balance, with no overtime required.
• Stable Payments: No payment delays since the foundation of the company.
• Bonus System: A unique reward system designed to motivate employees by aligning their performance with the company’s financial goals.
• Professional Development: Access to mentorship programs and our internal library for continuous growth.
• Events: Enjoy board games, masterclasses, corporate events, sports activities, and free English classes.
• Comfortable Workspace: A modern office in Kyiv featuring a spacious lounge, fully-equipped kitchen, sports zone, cinema, and complimentary spa facilities for employees.
   

We look forward to receiving your application!

Наш клієнт — міжнародна маркетингова компанія, яка стрімко масштабується та займає провідну позицію в індустрії iGaming, з особливою увагою до ринку Азії.

Від глибоких досліджень ринку та розробки стратегії до результативних діджитал-кампаній і сміливих креативів — команда охоплює повний цикл маркетингу, допомагаючи клієнтам випереджати конкурентів в одній із найдинамічніших галузей світу.

Ідеально для тих, хто прагне:

• Створювати ідеї для 360° маркетингових кампаній, забезпечуючи їх масштабованість та можливість адаптації в нестандартні активності через різні канали (BTL, PR, SoMe тощо);
• Перетворювати ідеї на сильні, чіткі та яскраві короткі меседжі: слогани, CTA тощо;
• Розробляти ідеї та сценарії для всіх типів відеоконтенту (TVC, Reels для SoMe, промо digital-відео, how-to відео тощо);
• Створювати сторіборди з таймкодами та AI-згенерованими візуалами для підтримки відеоконцепцій і брифінгу моушн-дизайнерів або режисерів;
• Розробляти неймінг, tone of voice та гайдлайни зі стилю комунікації для нових брендів і продуктів;
• Редагувати тексти інших копірайтерів, роблячи їх короткими, влучними та максимально чіткими;

• Тісно співпрацювати з дизайн-командою у створенні креативних концепцій для key visuals, брати участь у брейнштормах та брифінгах команди.

   

Досвід, який стане твоєю перевагою:

• 5+ років досвіду у релевантних ролях як individual contributor (creative copywriter, content creator);
• Сильне портфоліо з прикладами результативних проєктів;
• Глибоке розуміння повного циклу виробництва TVC — від розробки концепції та ідеації до продакшену та фінального контролю якості відео;
• Англійська мова на просунутому рівні;
• Здатність працювати з контентом іншими мовами, окрім англійської;
• Досвід роботи з таск-менеджмент системами (Jira, Asana тощо);
• Розуміння процесів проєктного менеджменту;

• Досвід роботи або глибоке розуміння індустрії betting/gambling.

   

Ми цінуємо:

• Сильний can-do attitude — ентузіазм, позитивну енергію та проактивність;
• Високу увагу до деталей і прагнення до бездоганного результату;

• Орієнтацію на результат та постійний пошук можливостей для покращення.

   

Наші клієнти пропонують конкурентні переваги для підтримки вашого професійного та особистого зростання, зокрема:

• Орієнтація на здоров’я та добробут;
• Медичне страхування;
• Можливості для кар’єрного зростання;
• Пакет бенефітів (відшкодування витрат на спортзал, стоматологічні та психологічні послуги тощо);
• Бонусну систему на основі OKR;

• Динамічне робоче середовище.

   

Долучайся — і нехай твоя історія зростання розпочнеться.

English version:

Our client, a fast-scaling international marketing company, is a major player in the iGaming industry, with a dedicated focus on expanding operations across Asia. From deep market research and business strategy to performance-driven digital campaigns and bold creatives, the team manages the entire marketing lifecycle to help clients stay ahead in one of the world’s most competitive industries.

Perfect for those who aim to:

• Create big ideas for 360° marketing campaigns and ensure their scalability and ability to be converted into non-standard activities across different channels (BTL, PR, SoMe, etc.); 
• Convert ideas into powerful, clear and catchy short-form core messages: slogans, CTAs, etc.; 
• Create ideas and scripts for all types of video content (TVC, Reels for SoMe, promo digital videos, how-to videos, etc.); 
• Develop storyboards with time codes and AI-generated visuals to support video concepts and brief motion designers or directors; 
• Create names, develop tone-of-voice and content style guides for new brands and products; 
• Fine-tune texts provided by other copywriters to make them short, catchy, and straight to the point; 
• Cooperate closely with the design team to develop creative concepts for key visuals, including team briefings and brainstorming sessions.

Experience you’ll need to bring:

• 5+ years of experience in relevant roles as an individual contributor (creative copywriter, content creator); 
• Strong, well-developed portfolio demonstrating impactful work; 
• Solid understanding of the full TVC production cycle — from concept development and ideation to production and final video quality control; 
• Advanced level of English proficiency; 
• Ability to review and process content in languages other than English; 
• Hands-on experience with task management tools (Jira, Asana, etc.); 
• Understanding of project management processes; 
• Background in or solid understanding of the betting/gambling industry.

It's a perfect match if you have those personal features:

• A strong can-do attitude, demonstrating enthusiasm, positive energy, and initiative; 
• High attention to detail and commitment to delivering polished, high-quality results; 
• Result-oriented mindset, always seeking improvement opportunities.

Our clients offer competitive benefits to support your professional and personal growth, including:

• Health & Wellness Focus;
• Global Medical Coverage;
• Growth Opportunities;
• Benefits Programs (compensation for the gym/stomatology/psychological service & etc.);
• Performance-Driven Rewards;
• Dynamic Work Environment.

Apply, and let your growth journey begin.

We are currently seeking a skilled and driven DevOps Engineer to join our team.
 

We believe that you have experience or understanding:

• Have a strong DevOps mindset to enable speed and scalability for app and dataintensive workloads
• Experience with security compliance standards and frameworks, including SOC 2, HIPAA, ISO standards, and tools such as Vanta
• Work with our end-user to design, implement, and maintain scalable, reliable and streamlined infrastructure solutions in Cloud
• Have experience building solutions for analytical use cases based on Python, Spark & SQL technologies
• Implement and maintain solutions with IaC to help ensure consistent and reproducible deployment support (Terraform, Bicep, OpenTofu, Crossplane)
• Develop and maintain automated integration & data-flow pipelines including testing and monitoring frameworks to build observable systems
• Troubleshoot performance concerns, design for high availability and efficient resource utilization
• Hands-on expertise with Azure
• Upper-Intermediate English level

You want to learn and work with:

• Modern Application, Distributed Data Processing and Analytical workloads
• Working with public cloud providers such as Azure and their core computing (AKS/GKS/VMs), security (WAF/App Gateway/Frontdoor or Cloudflare) & storage services (Storage Accounts/S3/GCP Storages)
• Familiarity with CI/CD through tools such as Azure DevOps, GitHub Actions with focus on automation and security through DevSecOps principles
• Analytical & problem-solving skills, ability to communicate ideas clearly
• Familiarity with containerization and orchestration technologies such as Docker and Kubernetes

Your opportunity:

• Flexible schedule — teams used to work in flexible manner
• Horizontal management and communicating directly with project stakeholders
• 20 days of paid vacation
• Paid sick leaves
• Annual activities budget — we endorse your wish to self improvement
• Remote work

We are looking for a Lead Hardware & Systems Engineer to own the full hardware domain — from system architecture through to serial production and stable field operation. You will drive our prototype to a production-ready device, coordinate mechanical and electronics engineers, and set up small-series manufacturing with potential to scale.

Responsibilities

• Architecture & Design — system hardware architecture, component and enclosure selection, thermal management, sealing, rugged design decisions, and technical specifications
• Hands-on Development — hardware bring-up, testing, verification, reliability analysis, and fault investigation
• Industrial Readiness — prototype-to-DFM/DFA transition, production documentation, contractor management, and quality control

• System Integration — integration of hardware with electronics, sensors, and antenna systems; cable architecture; field power; uptime and health monitoring

   

Requirements

• Proven experience in hardware system development
• Track record of taking a product from prototype to serial production
• Strong system architecture skills and hands-on hardware development
• Familiarity with industrial-grade or mil-tech standards
• Understanding of mechanical design and CAD tools

Nice to Have

• Experience with rugged solutions for field or industrial environments
• Background in DefenseTech, aerospace, or adjacent domains
• Familiarity with RF components or antenna systems
• English — B1+ (technical documentation, occasional communication)

What We Offer

• Real impact — your decisions directly affect the reliability of air defence systems in the field
• Full ownership of the hardware domain from day one
• Deep-tech engineering challenges that don’t exist in the civilian sector
• Office in central Kyiv, 3 minutes from the metro
• Full-time, standard business hours; some tasks may require involvement outside the usual schedule (field testing, critical updates)

We are an international group operating across fintech, crypto, and education businesses, managing multiple regulated and non-regulated entities across Europe and Canada.

We are looking for a high-level Financial Controller to establish and operate an independent internal audit and control function across the group.

This is a hands-on , investigative role focused on accuracy, transparency, and risk detection not bookkeeping.

Key Responsibilities

• Conduct monthly deep audits across 10+ entities (operational + holding companies)
• Verify timeliness and accuracy of financial reporting across all projects
• Identify and resolve:

1. Double bookings
2. Misallocations between entities
3. Missing or delayed reports

• Cross-check bank statements, internal reports, and balances (40+ accounts incl. banking and payment providers)
• Review client settlements and transaction flows (1000+ monthly transactions)
• Detect irregularities, inconsistencies, or potential misuse of funds
• Perform independent verification of reserves and balances
• Build and implement audit checklists, control systems, and reporting structures
• Report findings directly to CEO and project-level leadership
• Escalate critical issues and provide clear recommendations for improvement

Environment & Complexity

• Monthly volume: ~$7M+
• 1000+ monthly transactions (fiat & crypto)
• 40+ financial accounts (banks, PSPs, card processors)
• Multi-jurisdiction structure (Canada, UK, Ireland, Lithuania, Czech Republic, Slovakia, others)
• Regulated activities including MSB and VASP operations
• Current infrastructure: Excel-based, no centralized system (to be improved)

Requirements

• Strong experience in financial controlling, auditing, or forensic accounting
• Background in fintech / crypto (mandatory)
• Hands-on experience with:
• Crypto flows (on-chain / off-chain)
• Exchanges, wallets, or transaction reconciliation
• Experience with multi-entity structures and cross-border operations
• Ability to work independently and challenge existing processes
• High attention to detail with a risk-oriented mindset
• Fluent in English

Working Model

• Part-time (minimum 4–5 hours per day, ~80–100 hours/month)
• Fully remote
• Flexible structure, but consistent daily involvement is required
• Direct communication with leadership
• Combination of written reports and review calls

Deliverables

Over time, the role will establish and maintain:

• Monthly audit reports
• Full error and inconsistency logs
• Fraud / risk flags
• Balance and reserve verification reports
• Ongoing process improvement recommendations

Compensation

• Starting from $2,100 / month (part-time)
• Performance-based increases based on capability and impact

Additional bonuses related to:

1. Successful implementation of audit systems
2. Identification of critical issues
3. Measurable improvements in financial control

What We Are Looking For

This role is not for a traditional accountant.

We are looking for someone who:

• Thinks independently
• Questions numbers and processes
• Is comfortable working in complex, imperfect environments
• Can detect problems others overlook

ArboStar is the leading all-in-one business management platform servicing clients in the green industry such as landscaping, tree care, lawn care and more, across the globe. Our innovative, cloud-based software integrates everything from CRM and scheduling to GPS tracking and business analytics, ensuring seamless workflow and exceptional customer satisfaction. With a dynamic and fast-growing team of 80+ professionals, ArboStar is committed to delivering exceptional products and services that help our clients succeed.

Why ArboStar? At ArboStar, we foster a dynamic and supportive work environment where creativity, collaboration, and dedication to excellence are valued. Join our team and help revolutionize the green industry with innovative technology and outstanding service.
 

What We’re Looking For:

We’re searching for someone with a strong command of spoken English (C1 or higher) — that’s our top priority, as most communication will happen in English and with English-speaking colleagues.

Everything else — we’re ready to teach and guide you, as long as you’re open to learning and growing with us.
 

It would be great if you also have:

• Around 1 year of experience in onboarding, internal, or corporate training
• Experience creating engaging training materials (slides, cases, tasks, etc.)
• Some background in organizing onboarding or mentoring new hires
• Interest or experience in evaluating and improving training effectiveness
• Familiarity with content creation tools (PowerPoint, Word, Google Docs, etc.)
• Experience (or interest) in working with LMS platforms and tools like Google Workspace or Jira
• Good organizational skills, responsibility, and a proactive attitude
   

Key Responsibilities:

• Develop and deliver onboarding training for new employees, including structure, materials, and practical sessions.
• Support newcomers with system-related questions and help them adapt faster.
• Regularly review and update training content based on feedback and process changes.
• Organize training sessions for current employees to improve their system knowledge and skills.
• Create training on new system features and updates to keep the team up to date.
• Conduct quarterly testing to assess knowledge and identify areas for improvement.
• Work closely with HR to align training with company goals and share employee progress insights.
• Provide feedback to HR on candidates’ training performance and competencies.
• Close collaboration with Business Analysts — the candidate should stay up to date on planned updates, features, and releases in order to develop relevant training materials and conduct sessions that explain new system functionalities.
• Close collaboration with team leads — regular discussions about new hires’ progress, participation in joint surveys, identifying areas of improvement in knowledge and skills, and working together to enhance employee development through additional training and support.
   

What We Offer:

• Only remote work
• Work schedule: 13:00 — 21:00 or 14:00 — 22:00 (Ukrainian Timezone)
• Paid vacation (10 days);
• An opportunity to significantly influence the direction of the company;
• Steep learning curve and personal growth opportunities;
• Access to courses and training;
• Corporate English language training;
• Competitive salary.

Objective 
We are seeking a skilled Ruby on Rails Developer to join the team behind the first enterprise-grade software solution purpose-built for Capital Expenditure (Capex) management. This platform serves as a "single source of truth" for capital allocation for Global 2000 companies, replacing fragmented spreadsheets with a unified, cloud-based system. As a long-term member of this mission-critical project, you will help automate financial reporting, ensure compliance, and optimize portfolio performance through rigorous ROI modeling.

Responsibilities

• Design, build, and maintain backend services and APIs using Ruby on Rails.
• Work on complex product features with a focus on performance, scalability, and maintainability.
• Develop and optimize MongoDB data models and queries.
• Manage and troubleshoot infrastructure hosted on AWS (EC2, S3, RDS, Lambda, ECS).
• Collaborate with product, engineering, and operations teams to deliver high-quality solutions.
• Improve application reliability, observability, and monitoring.
• Write clean, well-tested, and maintainable code.
• Participate in architecture discussions and technical decision-making.
• Leverage modern AI-assisted development tools (ChatGPT, GitHub Copilot, Cursor) to enhance productivity and code quality.

Qualifications

• 3+ years of professional experience in software development.
• Strong expertise in Ruby on Rails and backend architecture.
• Deep experience with MongoDB, including schema design and performance tuning.
• Hands-on experience with AWS services and cloud environments.
• Proficiency with background jobs, caching, and asynchronous processing.
• Familiarity with Docker and CI/CD workflows.

• Experience with AI development tools (Cursor, Claude, etc.) is highly preferred.
   

  Nice to Have: Experience with legacy Rails applications, React, Redis, or Sidekiq.

  English Level: Good spoken English.

Location & Logistics

• Location: Remote.
• Time Zone: Collaboration typically aligns with CET or US business hours as needed.
• Type of Engagement: Full-time, long-term.

Recruitment Process

• Pre-screen interview with Sloboda Studio.
• Tech screen with Sloboda Studio
• Technical interview with the client.