Jobs at Djinni

US Company is searching for a Senior Delphi developer to join a development team for development an enterprise level platform and services. Interesting project, distributed team, full-time, an official contract. Remote work, flexible schedule (CET business hours).

Brief project description:

• The product is a complex platform with applications realized like SaaS, which perform multiple functions for improving Safety, Sustainability and Productivity (works planning / incident management / monitoring & analytics) on high-risky industries: oil & gas gathering and transportation, chemical, building, energy market.

Responsibilities:

• Full-stack development and maintenance for the LCA product family across all layers from desktop clients, backend services and data layer, to API development and user interface design and implementation
• Develop functionality, applications and services in Delphi and C#
• Develop and design RESTful services and APIs
• Develop infrastructure and APIs to support custom projects, such as customer specific LCA
  tools, or integrations of the LCA product family with ERP, CRM, PLM…
• Analyze requirements, suggest concepts, and assess development efforts.
• Analyze technology trends and harmonize our technology landscape to make it future proof.
• Work in a scrum team.
• White box testing and development of unit tests
• Technical system documentation (source code documentation, external documentation,
  bug-tracking system, design documentation etc.)
• Refactor modules to address the most relevant weak spots.
• 3rd-level support

Required Skills and Experience:

• Experience in developing desktop software applications - 3 years) 
• Experience with Delphi - 3 years)
• Experience in developing APIs - years)
• Fluent in English
• Experience with scrum development process - 2 years)

Skills Considered a Plus:

• Experience in C# or similar object-oriented languages - 2 years)
• Domain expertise in life-cycle assessment, or a strong passion for the field
• Scrum master experience
• Azure and Azure DevOps experience

Work conditions:

• Distributed team, remote work.
• Kanban or scrum approach, 5-6 team members / team.
• Full-time (40 hours per week).
• Official contract: salary, sick-leave days, holidays, vacations.

Hiring process:

• Step 1 - preliminary interview (main questions) - 30 mins
• Step 2 - internal tech interview (tech questions) - 40-50 mins
• Step 3 - tech interview with team leader and architect - 1 hour

QATestLab is an international provider of independent testing services with 20+ years of experience delivering QA support across multiple industries — from eCommerce, banking, and healthcare to game, media, and telecom. Our service portfolio includes manual testing and test automation services for web, desktop, mobile, and cloud applications.

Currently, we are expanding our department and inviting you to join the team as a full-time Automation QA Engineer.

We expect that you:

• Have at least 2-3 years of commercial experience in test automation using C#
• Work with automation frameworks Playwright
• Have experience working with ready-made CI/CD pipelines in Azure DevOps
• Work with test management and bug tracking systems (TestRail, Azure Devops or Jira)
• Proficient with version control systems (GitHub, GitLab) for effective team collaboration
• Have a basic understanding of Docker: able to work with containers and run tests in containerized environments
• Have a B2 level of English
• Possess strong communication skills and be able to work well in a team.

Will be a plus, if you:

• Have experience testing web platforms using Chrome DevTools

Main responsibilities:

• Develop, maintain, and execute automated test scripts
• Be ready to perform manual testing tasks when necessary
• Collaborate with development teams and project managers to define test requirements and participate in releases
• Create and maintain test frameworks
• Analyze test results, document defects, and maintain test documentation
• To participate in team testing activities (test planning, re-testing, regression testing)

We offer:

• Flexible working hours: starting from 8 to 11 AM; full-time
• Decent compensation with regular reviews based on the results
• Possibility to work remotely
• 100% reimbursement with sick leave letter, 18 days off
• Mentor support at the beginning
• Free English Courses and Speaking Club

• Developed corporate culture, loyalty, and assistance programs

  We will be glad to see you as part of the team!

We Are:

LetsData is an AI-powered solution designed to proactively shield businesses, civil society, and governments from information operations. Our mission is to build a cutting-edge product that helps the world’s largest organizations detect information operations early, whether disinformation, synthetic identities, or other threats posed by cybercriminals, hostile states, or competitors. We are guided by our principles of excellence, collaboration, and adaptability, and we are committed to becoming a global leader in InfoOps prevention.

The Role:

As a Full Stack Engineer at LetsData, you will develop and optimize our AI-driven platform, focusing on user-centric interfaces for both internal analytics teams and clients. Your work will help deliver innovative solutions powered by AI, data analytics, and cloud technologies to combat disinformation and protect organizations globally.

Format: Full-time

Location: Kyiv, Ukraine (hybrid-remote)

LetsData's main hubs are in Kyiv, Lviv, and New York, and we operate as a remote-first team. For this role, we're looking for someone based in Kyiv to join our full-stack team. Day-to-day work is remote, with occasional visits to our coworking space to sync, collaborate, and work in person.

Requirements:

• 1-3 years of experience as a Python FullStack Engineer.
• Strong experience with frontend development using frameworks like Vue.js, including knowledge of CSS.
• Proficiency in backend development using Python.
• Hands-on experience deploying and managing applications on cloud platforms, with Google Cloud Platform preferred.
• Excellent communication skills to collaborate effectively with cross-functional teams in both English and Ukrainian.
• Nice to have: Familiarity with containerization and orchestration tools like Docker.
• Nice to have: Knowledge of infrastructure as code (IaC) tools such as Terraform.
• Nice to have: Familiarity with CI/CD pipelines for automating deployments.
• A passion for making an impact by fighting malign information influences.

You Will:

• Design and develop responsive and interactive frontend interfaces using Vue.js
• Integrate frontend applications with backend services written in Python.
• Deploy and maintain applications on Google Cloud Platform.
• Collaborate with cross-functional teams to define, design, and deliver new features.
• Ensure code quality and maintainability by following industry best practices.
• Contribute to the technical design and implementation of AI-driven solutions for fighting disinformation.

We Offer:

• Unlimited vacation and additional days off on your special occasions.
• Unlimited sick leaves to take care of your health.
• Parental leave for those who stay with us for 1+ year.
• Membership at a coworking space, our Kyiv team is based in Creative States of Arsenal.
• Opportunity to participate in the top events of the industry.

LetsData is an equal-opportunity employer. We are committed to fostering a diverse and inclusive workplace where all employees feel respected and valued. We do not discriminate based on race, ethnicity, religion, belief, color, gender identity, sexual orientation, nationality, citizenship, age, marital status, veteran status, disability, legal history, or any other characteristic protected by law. 

About the Role

We are looking for an exceptional VP of Engineering to lead and scale our engineering organization at a key stage of growth.

This is a high-impact leadership role for someone who can combine:

• strong technical depth
• organizational leadership
• engineering execution
• cross-functional partnership with executive, product, and go-to-market teams

You will help shape the technical direction of the company, build a strong engineering culture, and ensure the delivery of reliable, scalable, enterprise-grade products.

This role is especially relevant for leaders with experience in:

• cloud platforms
• distributed systems
• infrastructure-heavy B2B SaaS products
• developer-facing or data-intensive products

What You Will Own

• Scaling the engineering organization across infrastructure, cloud platform, and developer experience
• Building hiring plans, team structure, and engineering culture
• Translating company strategy into clear engineering priorities and execution plans
• Driving product delivery, technical quality, and operational excellence
• Improving reliability, performance, security, and scalability across the platform
• Partnering closely with Product, Developer Relations, Customer Success, and the executive team
• Establishing strong engineering processes around:
  • code quality
  • observability
  • incident response
  • delivery rhythm
  • automation

Key Responsibilities

• Lead and grow a distributed engineering organization
• Own engineering execution across core platform and cloud products
• Partner with leadership on roadmap, architecture, and scaling strategy
• Improve system reliability, speed, and operational maturity
• Align engineering efforts with the needs of both developer users and enterprise customers
• Define and execute the hiring strategy for engineering growth
• Build a culture of ownership, rigor, and high technical standards

Required Experience

• 10+ years in engineering leadership
• Experience in senior leadership roles within cloud, platform, or infrastructure engineering
• Proven experience building and scaling B2B SaaS platforms
• Strong track record of managing distributed teams
• Deep experience with Kubernetes and cloud-native architectures
• Experience running high-scale, production-critical infrastructure
• Experience working with enterprise security and compliance requirements

Technical Background

• Strong understanding of distributed systems
• Experience operating infrastructure in AWS, GCP, or Azure
• Deep knowledge of:
  • observability
  • reliability engineering
  • automation
  • DevOps
  • CI/CD
  • infrastructure as code

Leadership Profile

We are looking for someone who is:

• strategic, but still able to go deep technically
• confident in decision-making in fast-changing, high-growth environments
• clear and effective when communicating with both technical and business stakeholders
• data-driven and customer-focused

Nice to Have

• Experience with search engines, databases, storage systems, or data infrastructure
• Experience in an open-source company
• Familiarity with AI / ML infrastructure or vector search systems

Why This Role Is Attractive

• Opportunity to shape the future of AI infrastructure
• Executive leadership role in a fast-growing open-source company
• Chance to lead cloud and platform strategy at scale
• Work with a globally distributed, high-performing engineering team
• Competitive compensation package, including equity
• Remote-first work environment

Candidate Application Note

Candidates should submit a short cover letter written personally by them explaining why they are a strong fit for the role.

We are looking for a strong C-level commercial leader who can build and scale a global commercial function within a fintech/payments product, with a focus on revenue growth and profitability. This person should bring strong strategic thinking, deep expertise in payment infrastructure, and proven experience in international expansion, capable of closing key partnerships and influencing product development through commercial insight.

Responsibilities:

• Define and execute the company’s global commercial strategy with a focus on revenue growth and profitability
• Own full P&L responsibility and key commercial metrics (revenue, margin, LTV, CAC)
• Scale B2B sales and drive expansion into new markets (EMEA / Global)
• Build and develop a structured commercial function across sales, business development, and partnerships
• Establish and grow strategic partnerships (PSPs, acquiring banks, payment providers, high-risk merchants)
• Identify and develop new revenue streams and business models
• Collaborate closely with Product and Tech to shape product vision and commercial strategy
• Optimize unit economics and improve monetization efficiency
• Participate in company-wide strategic planning alongside the CEO and other C-level executives
• Build, lead, and scale the commercial organization (sales, bizdev, account management)
• Lead key negotiations and close high-value strategic deals
• Analyze market trends and competitive landscape to identify long-term growth opportunities

Requirements:

• Proven experience as CCO / CRO / CBDO or Head/VP level in fintech / payments / crypto
• Strong track record of scaling revenue and building or transforming commercial functions
• Deep understanding of payment infrastructure (PSPs, acquiring, payouts, AML/KYC, high-risk segments)
• Experience working in international markets and building global partnerships
• Strong strategic background with hands-on experience in P&L, unit economics, and financial planning
• Experience managing large teams (sales / bizdev / partnerships)
• Excellent negotiation skills with a proven ability to close complex deals
• Data-driven decision-making approach
• English — Advanced

Nice to have:

• Experience in high-risk verticals (gambling, dating, crypto)
• Strong network within fintech / payments ecosystem
• Experience launching new products or entering new markets

Ajax Systems is a full-cycle company working from idea generation and R&D to mass production and sales. We do everything: we produce physical devices (the system includes many different sensors and hubs), write firmware for them, develop the server part and release mobile applications. The whole team is in one office in Kyiv, all technical and product decisions are made locally. 

We're looking for an Android Developer to join us and continue the evolution of a product that we love: someone who takes pride in their work to ensure that user experience and development quality are superb. You will be able to develop the apps in the best hardware company of Ukraine with around 400m active users around the world. Moreover, very soon you will have a chance to start several new products from scratch.


Required skills:

• 5+ years of experience in Android development
• A strong familiarity with Java and Kotlin
• Good understanding of the Android ecosystem
• Familiarity with Android SDK: basic concepts like layouts and views, activities and fragments and their lifecycle, storing data
• Practical experience with Kotlin Coroutines
• Proficiency in Jetpack Compose for modern UI development
• Experience with ORM frameworks and Android Jetpack Components
• Strong understanding of code versioning tools (Git) and experience with Gradle
• Strong understanding of the full mobile development life cycle, OOP principles, design patterns 

• Passion for software engineering, learning and continuous improvement

   

Would be a plus:

• Gradle knowledge, custom plugin development, build optimization, CI/CD pipelines, and release management
• Writing unit tests
• Practical experience with video streams
• Experience with MVVM/MVI patterns
• Experience with github actions

• Experience with third-party libraries, APIs (Firebase) and custom frameworks

   

Tasks and responsibilities:

• Follow high standards of software quality established in the team
• Design, build, and maintain high performance, reusable, and reliable code
• Suggest technical and functional improvements to add value to the product

• Collaborate with cross-functional teams to define, design, and ship new application features

   

With us, you will enjoy:

• Working with a team of people to build the future of an industry
• Non-trivial challenges and the various specter of interesting tasks
• A flexible, friendly, and collaborative work environment
• Corporate culture based on common sense
• Opportunities to influence the creation of new products and their quality 
• Parking for cars and bicycles

• Medical insuranceEducation compensation

   

We offer:

• the opportunity to share and implement your own ideas that could impact products and production;
• work with a motivated team and an environment with a zero-bullshit culture;
• competitive salary;
• medical insurance;
• corporate English classes;
• compensation for professional training;
• the chance to take part in beta testing of Ajax security systems — receive and test new devices before their release.

🟢 At Dev.Pro, we work on projects that impact millions of people around the world — but we know it’s the people behind the tech who make it all happen. We truly value what makes each person unique and are building a workplace that’s inclusive, friendly, and supportive.

We invite a Senior Software Engineer with strong Node.js expertise and solid AWS knowledge to join our team. You’ll work with a trusted leader in the Point-of-Sale industry with over 100,000 global installations. In this role, you’ll contribute to our client’s new initiative focused on creating data mapping between diverse menu order systems and integrating two distinct APIs to ensure seamless and accurate data transfer.

🟩 What’s in it for you:

• Collaborate on a high-load, technically challenging backend project, expanding your expertise in API integration, data mapping, and data transformation
• Contribute to a global tech platform offering robust solutions for the restaurant and food service industry
• Influence technical best practices and mentor engineers, promoting a culture of quality and continuous improvement

✅ Is that you?

• 4+ years of commercial backend development experience with deep expertise in Node.js and TypeScript in production environments
• 2-3+ years of AWS experience (EC2, ECS, Lambda, SQS/SNS, CloudWatch, etc.)
• Solid experience with MongoDB
• Proven experience designing, building, and maintaining RESTful APIs
• Strong understanding of backend architecture and service design
• Experience writing unit and integration tests
• Experience with CI/CD pipelines and automated deployments
• Strong ownership mindset and ability to work independently, resolve complex issues, and deliver solutions
• Excellent communication and cross-functional collaboration skills
• Upper-Intermediate+ English level

Desirable:

• Experience mentoring or providing technical guidance to engineers

🧩Key responsibilities and your contribution

In this role, you’ll contribute to the design, development, and continuous improvement of high-loaded backend systems and services, ensuring technical quality and delivering bullet-proof solutions.

• Design, build, and maintain high-loaded backend systems and APIs using Node.js and AWS
• Develop new backend features and enhancements for production systems
• Support and troubleshoot production systems to ensure reliability and performance
• Identify and reduce technical debt and implement improvements to maintain code quality and reliability
• Write and maintain unit and integration tests to ensure code quality
• Collaborate with cross-functional teams to define requirements and deliver bullet-proof solutions
• Contribute to the continuous improvement of backend architecture and development practices
• Create and maintain clear, organized development documentation

🎾 What’s working at Dev.Pro like?

✔️ 30 paid days off per year — take them whenever you want for vacation, holidays, or personal time
✔️ 5 paid sick days, up to 60 days of medical leave, and 6 paid days off per year for major family events like weddings, funerals, or the birth of a child
✔️ Partially covered health insurance after the probation, plus a wellness bonus for gym memberships, sports nutrition, and similar needs after 6 months
✔️ Grow your skills with English lessons, online training, conferences, and the option to explore new career paths

Our next steps:

✅ Submit a CV in English — ✅ Intro call with a Recruiter — ✅ Internal interview — ✅ Offer

Overview

We are looking for a Cloud Architect / DevOps Architect (AWS) to take full ownership of a modern cloud platform. This is a hands-on individual contributor role focused on designing, building, and scaling secure, production-grade infrastructure.

You will define architecture standards, implement Infrastructure as Code, and enable fast, reliable delivery across engineering teams. This role requires strong ownership, independent decision-making, and a pragmatic mindset.

Languages

• English: C1+ (Advanced)
• Russian: C1 (Required for internal team communication)

Key Responsibilities

• Design and govern scalable, secure AWS cloud architecture
• Build and maintain infrastructure using Terraform (IaC)
• Develop and manage CI/CD pipelines (GitHub Actions)
• Implement and operate Kubernetes platforms (EKS/ECS)
• Enable multi-environment deployments (dev, staging, production)
• Establish monitoring, logging, and observability standards
• Define SLIs/SLOs and ensure system reliability
• Implement security best practices (IAM, KMS, Secrets Manager, GuardDuty, Security Hub)
• Design networking and integration solutions (SSO, private networking)
• Create reusable infrastructure modules and templates
• Collaborate with engineering teams to support scalability and delivery
• Document architecture, runbooks, and operational procedures
• Drive continuous improvement and platform standardization

Key Deliverables

• Cloud Architecture Documentation
• Architecture Decision Records (ADR)
• Terraform modules and IaC repositories
• CI/CD pipeline templates
• Deployment and environment runbooks
• Security and compliance artifacts
• Monitoring dashboards and alerting systems
• Operational readiness checklists
• Incident postmortems (when applicable)

Requirements

Experience

• 8+ years in cloud infrastructure (AWS)
• Strong hands-on experience with Kubernetes & containerized systems
• Proven experience with CI/CD and automation
• Experience in high-reliability production environments
• Background in security and compliance implementation

Technical Skills

• AWS: EKS, ECS, IAM, VPC, KMS, CloudWatch, Security Hub, GuardDuty
• Terraform (Infrastructure as Code)
• CI/CD tools (GitHub Actions preferred)
• Kubernetes (KEDA, Karpenter — plus)
• Monitoring & observability (CloudWatch, Grafana)
• Messaging systems (Kafka, RabbitMQ — plus)

Education & Certifications

• Bachelor’s degree in Computer Science, Engineering, or equivalent
• AWS certification (preferred)

Soft Skills

• Strong ownership and accountability
• Ability to work independently and make architectural decisions
• Excellent communication and documentation skills
• Cross-team collaboration and alignment
• Strong problem-solving mindset under pressure

Additional Information

• Engagement: B2B Contract
• Holidays: 10 public holidays per year
• Leave Policy: Vacation and sick leave are unpaid

What is the purpose of this position?

We are looking for a Middle+/Senior Python engineer with 4+ years of commercial experience. Working alongside other engineers, you'll design, build, and maintain scalable solutions, work closely with business stakeholders and analytics teams in miltech/deeptech projects. 

Qualifications you`ll need to bring:

• 4+ years of commercial experience with Python
• Hands-on with message brokers: Kafka, RabbitMQ
• Proficiency with PostgreSQL or another relational DB
• Experience with REST or gRPC APIs
• Advanced experience with CI/CD and Docker
• Experience with Microsoft Azure
• Experience with YOLO (You only look once) 
• Experience with multithreading, synchronization, and concurrent programming
• Knowledge of data structures and algorithms
• ​​Familiarity with modern and upcoming standards
• Excellent communication skills for direct interaction with a customer
• Experience with OpenCV will be a huge plus
• English level - Upper-Intermediate

We offer:

• Remote Work Environment. Work from anywhere and be part of a geographically diverse team
• Stay Ahead of the Curve. Work with cutting-edge technologies
• Possibility of payment by PE account, Payoneer, or Wise
• Bonus & Referral system
• Paid 12 vacations and 5 sick leaves per year
• Flexible hours 
• Compensation program for purchasing new laptops
• Paid professional certifications & educational courses
• Paid English classes
• Friendly atmosphere with quarterly team building
• No bureaucracy

Ready to try your hand? Do not pull the cat’s tail, send your CV without a doubt! 

We are Nordcurrent Dnipro, a Lithuanian-Ukrainian gamedev company. We not only love mobile games, but also create them in the casual genre. We are currently looking for a specialist for our new mobile game. Someone who enjoys producing high-quality products—a specialist for our QA department.

Your Key Responsibilities:

• Game documentation analysis;
• Test case development;
• Working with the Git repository;
• Assembling builds from Unity and XCode;
• Manual game testing using test cases;
• Free testing;
• Documentation maintenance.

A Successful Candidate Must Have:

• 1+ years of QA experience on mobile game projects;
• Understanding the specifics of mobile game testing;
• Logical thinking and strong analytical skills;
• Attention to detail and a tendency for meticulous work;
• Love for games and a desire to develop in this field;
• Ability to formulate and convey opinions, including in the form of test documentation.

Extra Great to Have:

• Experience with Unity3D.

We Offer:

• Mentorship from experienced colleagues;
• Office in the center of Dnipro;
• Official employment, competitive salary, and paid vacation;
• A friendly atmosphere and a culture in which it is convenient and pleasant to work and rest;
• Opportunities for development and professional growth;
• Participation in various company events and the opportunity to take the initiative.

How to Apply:

• Send your resume;
• Our HR will contact you and send you a test task;
• After successfully completing the test task, you will have an interview with HR;
• Next, you’ll meet with the technical department;
• If everything aligns for both you and us, we’ll get started.

We look forward to seeing you! Join our friendly team and let’s create exciting games together!

RedCore is an international business group that creates technological solutions for digital markets. Our products and services cover fintech, marketing, e-commerce, customer service, communications, and regulatory technologies. 

We are looking for a strategic and data-driven Senior Growth Product Manager to lead our retention and user lifecycle initiatives. You will own the "User Lifetime" value, ensuring that once we acquire a user, we nurture, engage, and retain them throughout their journey. You will bridge the gap between product development, data analytics and marketing to build a sustainable growth engine.

Requirements:

- 5+ years in Product Management, with a focus on Growth, Retention, or Lifecycle management;

- Exceptional data analysis skills. You don't just look at dashboards; you interpret trends and turn them into product decisions;

- Advanced proficiency in modern analytics tools (Amplitude or Mixpanel is a must; GA4, Firebase Analytics, Tableau are preferred).

Technical A/B Testing: Extensive experience with mobile/web experimentation frameworks (Firebase Remote Config, Apptimize, etc.);

- Practical experience in conducting depth interviews and leveraging feedback loops (NPS, CSAT, CES) to improve product-market fit;

- B2+ English level. Ability to clearly articulate complex product strategies to technical and non-technical stakeholders.

Responsibilities:

- Complex Hypothesis Leadership: Developing high-complexity hypotheses (loyalty shifts, systemic onboarding features) with a focus on high accuracy and Win Rate;

- Validate and Formulate Hypotheses: Develop, validate, and iterate on product hypotheses aimed at improving user experience and financial metrics across the platform;
- A/B Testing and Experimentation: Design and execute A/B tests to validate product changes, analyzing results to derive actionable insights that will drive key growth and financial outcomes;
- Data-Driven Decision Making: Leverage data and analytics tools to monitor key performance indicators (KPIs), assess trends, and measure the impact of product improvements on the user journey and financial performance; 
- Optimization of Financial Metrics: Focus on optimizing the conversion funnel, improving user engagement, and increasing financial metrics such as transaction volume, revenue, and customer lifetime value through strategic product improvements; 
- Collaboration: Work closely with cross-functional teams including engineering, marketing, and UX/UI to ensure smooth implementation and alignment of growth strategies; 
- Continuous Improvement: Constantly monitor product performance, identify areas for improvement, and ensure that growth initiatives are continuously refined for maximum impact.seamless and consistent workflow and communication.

What are the conditions and bonuses?

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

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

📍Beautiful offices in Warsaw, Limassol work remotely or on-site with comfort and enjoy the opportunity to build a network of connections with professionals day by day;

🧑🏻‍💻Laptop & all necessary equipment for work according to the ecosystem standards;

🏖Paid vacations, personal events days, days off;

🫖Paid sick leave;

👨🏻‍⚕️Medical insurance;

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

📚Educational support by our L&D team: internal and external trainings and conferences, courses on Udemy;

🗣Free internal English courses;

🧘Sport benefit;

🦄Multiple internal activities: online platform for employees with quests, gamification and presents for collecting bonuses, RedCore talks club for movie and book lovers, board games cozy evenings, special office days dedicated to holidays;

🎳Company events, team buildings.

Codefinity is a fast-growing EdTech company on a mission to make tech education accessible, engaging and truly practical. We help people from all over the world master in-demand programming skills and build meaningful careers in tech.
 

Our platform has already empowered hundreds of thousands of learners globally — from complete beginners to industry professionals — through interactive, hands-on courses designed to accelerate real skill growth.
 

We’re a team of ambitious and creative people who love what we do and move fast. We experiment, learn and constantly raise the bar to achieve bold goals. At Codefinity, every idea can make a difference, and every team member has a real impact on our growth story.

What you will do

• Systematically develop high-performing creatives for Meta to drive user acquisition
• Conduct creative and competitive research, analyzing market trends, best practices, and audience behavior
• Formulate and prioritize creative hypotheses based on performance data and previous test results
• Develop concepts for performance campaigns, including video scripts, static designs, hooks, and messaging
• Prepare structured briefs for designers and production teams, overseeing the process from concept to final delivery
• Analyze test results (CTR, CPA, CPM, ROAS) and initiate iterations for successful assets
• Explore and implement AI-powered tools to enhance productivity and creative output

What we are looking for

• 6+ months of experience in performance marketing, preferably with Tier1 markets;
• Understanding of Paid Social (Meta) dynamics: formats, hooks, messaging, and platform specifics;
• Ability to analyze key metrics (CTR, CPM, CPA, ROAS) and conduct competitive research;
• Copywriting skills and knowing how to transform ideas into catchy headlines;
• English level B1 (Intermediate) or higher.

Benefits

• Work on a high-impact EdTech product within an ambitious global team
• 20 working days of paid vacation per year, plus public holidays.
• An office with a reliable shelter, generators, satellite internet, and other amenities.
• Access to our corporate knowledge base and professional communities.
• Compensation for English language learning, external training, and courses.
• Medical insurance and full sick leave compensation.
• In-office medical support and professional massage services
• Sports activities: running, yoga, boxing, and more.

Position Overview

As a Game Mathematician, you will own the mathematical design of our gaming systems — from core probability models to long-term behavioral dynamics of the game.

You will shape RTP, volatility curves, hit frequency, payout distributions, risk balance, and overall economic sustainability of each title.

This role requires deep theoretical knowledge, practical simulation skills, and the ability to collaborate closely with producers, designers, engineers, and compliance teams.

Responsibilities

• Develop and maintain detailed mathematical models for Slots, Crash Games, and Fast Games.

• Design and balance RTP, volatility, hit frequency, paytables, game curves.

• Model stochastic processes and RNG logic, ensuring correctness and predictability.

• Calculate probabilities and payout distributions across long-run simulations.

• Conduct large-scale simulations and statistical analysis of game behavior.

• Balance risk, retention, and economic KPIs of the product.

• Collaborate with producers to create optimal player experience.

• Work closely with engineers to validate correct technical implementation.

• Contribute to game logic design and innovative mechanics.

• Conduct competitive analysis of game mathematics and market trends.

• Participate in playtests and analyze real in-game behavior post-launch.

• Prepare complete mathematical documentation for certification and regulators.

Requirements

• Strong knowledge of probability theory, combinatorics, and mathematical statistics.

• Experience in slot or gambling game mathematics (3+ years).

• Practical experience designing and balancing RTP, volatility, and payout structures.

• Experience with stochastic modeling and simulations.

• Programming skills (Python, R, C++, MATLAB, or similar).

• Ability to clearly communicate mathematical decisions to cross-functional teams.

• English — Intermediate or higher.

Would Be a Plus

• Experience with crash or fast game mechanics.

• Experience with competitive math research.

• Understanding of player behavior and retention impact.

• Experience interacting with certification bodies and regulators.

What We Offer

• Direct influence on product economics and player experience.

• Real ownership of game mathematics and long-term performance.

• Competitive compensation.

• Professional growth inside a product-driven gambling studio.

• Flexible working format.

• Strong, collaborative team environment.

bill_line is a technology platform providing financial solutions for online businesses.
We help clients simplify complex financial processes and scale their businesses.

Our product is a flexible platform that we adapt to the needs of each client. We take on part of the technological and financial processes so that companies can focus on growth and operate more efficiently.

We apply the same approach within our team:
flexibility, responsibility, and focus on results.
If this sounds like you — we’d be happy to get to know you.

Why bill_line?

We create solutions that work like a “Swiss army knife” in the fintech world 🌍
for businesses that accept payments worldwide.

Our approach includes:

• full client support: from the initial request to integration and transaction processing
• close collaboration between bizdev, support, legal, and finance teams
• deep understanding of the client’s business, not just service delivery

We are proud of our results, but our main value is people.
We have a strong, professional team with whom it is exciting to work, grow, and achieve ambitious goals together.

We are currently looking for a Chief Financial Officer (CFO) who will help us scale the financial function and influence the development of the international fintech market.

Key responsibilities:

• Development and implementation of the company’s financial strategy, supporting long-term business goals;
• Management of financial planning, budgeting, and forecasting;
• Control over accounting, reporting, and compliance with internal and external standards;
• Preparation and analysis of financial reports, providing recommendations to management;
• Cash flow management, cost optimization, and budget control;
• Interaction with banks, external auditors, and outsourcing companies;
• Development of ERP systems and financial processes;
• Team formation and management.

We expect from the candidate:

• Experience in a senior financial role (CFO) in fintech or related industries;
• Strong knowledge of financial accounting, budgeting, risk management, and financial analysis;
• Strong analytical skills, strategic thinking, and decision-making ability;
• Experience in international jurisdictions;
• Experience in implementing and optimizing financial processes and ERP systems.

💡 What we offer:

🌐 Comfortable offices
A modern office in Kyiv (Zvirynetska metro station) + a cozy EU office for those who have relocated

👨‍💻 Everything for efficient work
Top-tier equipment, necessary services, and tools — so you can focus on results, not routine

⚡ Flexible work format
Hybrid: 3 days in the office (Mon/Wed/Fri) + remote work option
An office that remains comfortable even during blackouts: stable internet, autonomous power supply, heating, gym area, shower, and even a place to rest

🏖️ Work-life balance
24 days of paid vacation + compensation for unused days

💊 Health care
Paid sick leave + medical insurance
Mental health support (sessions with a psychologist)

🥗 Daily comfort
Corporate lunches based on your preferences

🎁 Nice bonuses
Gifts for birthdays and work anniversaries

How we spend time together

😄 A team you enjoy not only working with
We are more than just colleagues — we genuinely enjoy spending time together. We hold regular events and corporate gatherings. Various formats — such as local team buildings, group hiking trips, or even surfing.

Culture💙 People care — not just words We support each other, respect everyone’s expertise, and create an environment where it is comfortable to grow.

📚 Learning and development
We cover courses, training, and seminars.
We attend international fintech, e-commerce, and crypto conferences.
We support learning English and other languages, especially for expansion into new markets.

As a Senior 2D Artist, you will play a key role in defining and executing the visual direction of our games — from early concept exploration to final polished assets ready for integration.

You will collaborate closely with Game Designers, Animators, and Developers to ensure that every visual element supports gameplay, theme, and player engagement.

This role requires strong illustration skills, production discipline, and the ability to work within defined art styles while contributing creative input.

Responsibilities

• Design and create concept art and visual directions for casino games.
• Produce high-quality final 2D assets aligned with technical specifications.
• Adapt to and maintain consistent art style across projects.
• Collaborate with designers and animators to ensure cohesive visual execution.
• Review project briefs and technical requirements before asset creation.
• Participate in feedback cycles and artistic discussions.
• Contribute to solving artistic and production challenges.

Requirements

• 4+ years of professional experience in gaming or creative industries.
• Strong proficiency in Adobe Photoshop.
• Solid understanding of game asset production, optimization, and export.
• Experience working with JIRA or similar task management tools.
• Strong portfolio demonstrating illustration and concept art skills.
• Openness to AI-assisted workflows and practical experience with generative AI tools (Stable Diffusion, Midjourney, etc.).
• Team-oriented mindset with strong communication skills.
• Ability to give and receive constructive feedback.

Would Be a Plus

• Experience in Gambling / iGaming or video game industry.
• Background in graphic design and typography.
• Strong understanding of current gaming art trends.
• Experience with source quality control workflows.

What We Offer

• Competitive compensation.
• Private medical insurance.
• Professional growth opportunities.
• Educational budget and learning support.
• Creative, collaborative studio culture.
• Flexible working format.