Jobs at Djinni

Bitmedia Labs is an international product IT company that has been building ambitious innovative products for millions of users worldwide since 2014 - combining deep tech expertise with a creative mindset. 

Our ecosystem spans:
• Game Development — building the next generation of Web3 gaming, where gameplay comes first, players own their assets, and developers thrive within massive, engaged communities.
• Digital Marketing Ecosystem — building a unified ecosystem that combines a leading high-performance advertising platform with emerging media and affiliate solutions.

We are looking for a Publisher Manager to grow and manage publisher partnerships with a strong focus on performance, quality, and long-term collaboration.
 

Responsibilities:
• Independently build a large pipeline of leads, pursue them and close deals;
• Closing deals;
• Expanding existing database of partners;
• Organizing, labeling, and managing CRM system;
• Daily mailing routine - contacting newly registered or potential partners;
• Manage presentations, build relationships and negotiate contracts;
• Interact with our project implementation team to effectively manage client expectations and ensure successful implementation of our widgets and technology;
• Preparation of Marketing offers for advertisers;
•  Analyzing the quality of newly registered or potential publishers;
• Controlling company partners' satisfaction level.
 

Requirements:

• Working experience in an affiliate network or ad industry for 1+ years;
• Strong organizational skills, acute attention to detail with the ability to multi-task;
• Ability to provide world-class client service;
• Strong analytical skills and excel/Google Sheets skills;
• Experience with AdTech and understanding of the digital advertising ecosystem is a plus;
• Excellent written, verbal, and presentation skills;
• Understanding media buying processes;
• Analytic skills;
• Outstanding analytic and problem-solving skills including experience analyzing data sets across/between multiple data platforms;
• A sense of humor is a plus.
 

Hiring process:

• Intro call with a Recruiter - Interview with the Hiring team - Сollection of recommendations - Offer.
 

Join Bitmedia Labs to evolve, explore, and make a real difference - together.

Our culture is built on openness, trust, and support. We value initiative, ownership, and results. We work as one team - helping each other, celebrating wins, and learning from challenges together. 

We offer the freedom and space to grow:

• Professional growth and self-realization through ambitious products;
• The opportunity to bring your ideas to life, experiment, and directly influence the product’s development; 
• Collaboration with talented teammates united by a shared goal.

We also care about well-being and balance:

• Flexible schedule and the option to work remotely or from our hubs in Kyiv, Warsaw, and Berlin;
• Competitive compensation, regular performance reviews, paid vacation, sick leave, and public holidays;
• Modern Apple equipment and thoughtful corporate gifts for holidays and personal milestones.
• Support for your growth: courses, workshops, and conferences.
 

Through our charity foundation Bit Spilka, run by volunteers from our team, we support the military, medics, and civilians across Ukraine — already delivering over $500,000 in aid. Here your work also drives social impact, and you can also join our volunteer initiatives.
 

If this resonates with you - send your CV and join us.

Let’s foster the world together!

Integrica CRM is a SaaS platform for beauty salons, grooming studios, clinics, and educational businesses.

We are expanding our team and looking for a part-time Full-Stack Developer to accelerate product development and support our growing customer base.

Responsibilities

• Develop new features (backend: Laravel 11 / PHP 8.2; frontend: Vue.js 2)
• Maintain and improve existing modules
• Fix critical bugs and resolve urgent issues
• Handle client requests: data exports, custom adjustments
• Participate in delivering the full system redesign
• Collaborate with Support and Sales teams to quickly resolve technical questions

Project Goals

• Implement a complete redesign of Integrica CRM
• Strengthen our presence in the European market (currently 40%+ clients from Europe)
• Enhance modules for clinics, educational businesses, and grooming studios
• Support and scale the product for increasing user demand

Requirements

• Experience with Laravel (10/11) and PHP 8+
• Experience with Vue.js 2
• Strong SQL knowledge (MySQL) and experience with APIs
• Ability to work independently with a large codebase and propose technical solutions
• Readiness to collaborate with cross-functional teams to resolve issues efficiently

What We Offer

• Part-time workload (up to 20 hours/week)
• Competitive compensation (hourly format preferred)
• Flexible schedule
• Hobby compensation
• Individual development plan

Project Description

The client provides a reimbursement platform available for companies with mobile employees who are traveling places for their day-to-day job. They have solutions for Small and Medium Businesses, Mid-size companies and Enterprises to enable them to manage the reimbursement by streamlining and optimizing calculation process, control cost by using insight based on the rich user data aggregated through their Mobile app.

Job Description

We are looking for a talented Senior Java Software Engineer to take part in building a tactical solution within a planed way to an Enterprise Data Platform.

• Team player, accountable, dedicated and passionate.
• 6+ years of experience coding in Java (must).
• Experience of team/tech leading
• Self-learner 
• Experience with system design and data structures.
• Experience in designing and building multi-tenant and scalable microservice systems
• Experience working in a containerized environment with Kubernetes (Advantage)
• Experience in relational databases (Postgres ) 
• Experience with cloud technologies (AWS/Azure)
• Experience with using queues and messaging systems - Kafka, RabbitMQ - (Advantage)
• Experience in building deployment pipelines using Jenkins and Kubernetes - (Advantage)

Job Responsibilities

• Become a valued member of an autonomous, cross-functional agile team.
• In cooperation with solution architect, lead developer design, develop and deploy Java services focusing on high availability, low latency, scalability and high throughput.
• Collaborate closely with other engineers, product owners and designers, to identify and solve challenging problems.
• Take full responsibility and ownership from conception, development, quality to post-deployment.

Our client is a leading mobile marketing and audience platform empowering the global app ecosystem with advanced solutions in mobile marketing, audience building, and monetization.

With direct integrations into 500,000+ mobile apps worldwide, they process massive volumes of first-party data to deliver intelligent, real-time, and scalable advertising decisions. Their platform operates at extreme scale, serving billions of requests per day under strict latency and performance constraints.

About the Role

We are looking for a highly skilled, independent, and driven Machine Learning Engineer to own and lead the design and development of our next-generation real-time inference services.

This is a rare opportunity to take ownership of mission-critical systems on a massive scale, working at the intersection of machine learning, large-scale backend engineering, and business logic.

You will build robust, low-latency services that seamlessly combine predictive models with dynamic decision logic — while meeting extreme requirements for performance, reliability, and scalability.

Responsibilities

• Own and lead the design and development of low-latency inference services handling billions of requests per day
• Build and scale real-time decision-making engines, integrating ML models with business logic under strict SLAs
• Collaborate closely with Data Science teams to deploy models reliably into production
• Design and operate systems for model versioning, shadowing, and A/B testing in runtime
• Ensure high availability, scalability, and observability of production services
• Continuously optimize latency, throughput, and cost efficiency
• Work independently while collaborating with stakeholders across Algo, Infra, Product, Engineering, Business Analytics, and Business teams

Requirements

• B.Sc. or M.Sc. in Computer Science, Software Engineering, or a related technical field
• 5+ years of experience building high-performance backend or ML inference systems
• Strong expertise in Python
• Hands-on experience with low-latency APIs and real-time serving frameworks
  (FastAPI, Triton Inference Server, TorchServe, BentoML)
• Experience designing scalable service architectures
• Strong knowledge of async processing, message queues, and streaming systems
  (Kafka, Pub/Sub, SQS, RabbitMQ, Kinesis)
• Solid understanding of model deployment, online/offline feature parity, and real-time monitoring
• Experience with cloud platforms (AWS, GCP, or OCI)
• Strong hands-on experience with Kubernetes
• Experience with in-memory / NoSQL databases
  (Aerospike, Redis, Bigtable)
• Familiarity with observability stacks: Prometheus, Grafana, OpenTelemetry
• Strong sense of ownership and ability to drive solutions end-to-end
• Passion for performance, clean architecture, and impactful systems

Quintagroup is looking for a Senior Python Developer to join a project for a leading UK-based fintech product. 

Our client builds innovative financial solutions and actively uses modern technologies to support both businesses and consumers.

RESPONSIBILITIES:

• development with Python, AWS
• participation in planning and execution stages
• collaborate closely with an international development team (UK/UA/US) and the CTO to design, implement, and optimize fintech applications.
• take part in project planning and execution to ensure timely delivery of key milestones.
• build and integrate cloud-based solutions, primarily on AWS.
• improve application performance and maintain the security of sensitive financial data.

TECH STACK:

Python 3.11, Django 4.2, Postgres, AWS (EventBridge, Lambda, ECS, RDS, DynamoDB etc.), Docker, Pandas, Polars, Terraform

REQUIREMENTS

• 6+ years of experience with Python
• 4+ years of experience with Django Python frameworks
• Experience with AWS 
• Able to work in a team-oriented, collaborative environment
• Ability to share knowledge
• Excellent communication skills in English (B2+ level or higher).

WE OFFER:

• Flexible working format: fully remote, hybrid, or office-based.
• Competitive salary and comprehensive compensation package.
• Personalized career growth paths and mentorship opportunities.
• Access to professional development tools, including tech talks and training sessions.
• Education reimbursement for relevant certifications or courses.
• Memorable gifts for anniversaries and corporate events.
• Engaging team-building activities and location-specific perks.

HIRING PROCESS:

• HR interview
• Tech interview
• Offer

Ixilix is a technology-driven company that builds high-quality solutions and long-term partnerships. Our team is growing, and we are looking for a Senior Manual QA Engineer.

Responsibilities:

• Description of the Technical Specifications based on customer requirements.
• Understand project requirements and create detailed, comprehensive, and well-structured test plans and test cases.
• Perform manual testing on web and mobile applications. 
• Execute functional, regression, integration, usability, and exploratory tests. 
• Document and track defects. 
• Creating a task description with requirements, goals and end result. 
• Report test results and provide insights to the development team. 
• Ensure that the final product meets the requirements specified in the task. 
• Participate in improving the overall quality control process.

Required Skills:

• 5+ years of experience in a Manual QA Engineer position.
• Experience working with distributed systems and understanding the principles of microservices architecture. Ability to test interactions between services, including API testing and service contract validation.
• Proficiency in testing RESTful, SOAP and GraphQL APIs, and experience with API testing tools (Postman, SoapUI, Insomnia, etc.). Familiarity with protocols such as HTTP, WebSockets.
• Knowledge of CI/CD processes and understanding testing at different stages of development in a microservices context. Ability to work with test automation tools within CI/CD pipelines (e.g., Jenkins, GitLab CI, CircleCI).
• Ability to perform integration tests to verify interactions between microservices. Experience in end-to-end testing, including testing complex workflows involving multiple services.
• Experience with load testing and performance testing in the context of microservices.
• Understanding and Analyzing Logs.
• Experience in the Gambling domain will be a plus.

What we offer:
Rewards & Celebrations

• Quarterly Bonus System
• Team Buildings Compensations
• Memorable Days Financial Benefit

Learning & Development

• Annual fixed budget for personal learning 
• English Language Courses Compensation

Time Off & Leave

• Paid Annual Leave (Vacation) - 24 working days
• Sick leave - unlimited number of days, fully covered

Wellbeing Support

• Mental Health Support (Therapy Compensation)
• Holiday Helper Service

Workplace Tools & Assistance

• Laptop provided by Company (after probation)

Work conditions:

• Remote work from EU
• Flexible 8-hour workday, typically between 9:00 - 18:00 CET
• Five working days, Monday to Friday
• Public holidays observed according to Ukrainian legislation
• Business trips to Bratislava every 3-6 months (company provides compensation of expenses)

At Ixilix, we value transparency, trust, and ownership. We believe that great results come from people who care - about their work, their team, and the impact they create. 

Sounds like you? Let’s connect! We’re just one click away.

The Role

We are seeking a Senior Full Stack Developer with a strong background in developing and maintaining both frontend and backend services. The ideal candidate will have extensive experience with Nest.js and React.js/Nest.js, along with a proven track record of building scalable and efficient web applications. This role will focus on developing and enhancing Smart Alerts, our flagship alerting tool, and requires a deep understanding of full-stack development, database management, including both SQL and NoSQL databases, and modern software development practices.

Key Responsibilities:

• Develop and maintain the frontend and backend of the Smart Alerts tool using React.js and Nest.js.
• Ensure seamless integration between frontend and backend components, optimising for performance, scalability, and user experience.
• Conduct code reviews, optimise performance, and ensure adherence to the best security practices across the entire stack.
• Mentor junior developers and contribute to the continuous improvement of the development process.
• Implement and maintain containerisation solutions using Docker.
• Apply Agile and Scrum methodologies to ensure efficient project management and timely delivery.
• Troubleshoot and resolve complex technical issues related to both frontend and backend services.
• Collaborate with product managers, UX/UI designers, DevOps engineers, and other team members.
• Design and implement robust and scalable database solutions using MySQL/MariaDB, and NoSQL databases like MongoDB.

Requirements:

• At least 5 years of experience in full-stack development with a focus on Nest.js and Node.js.
• Experience with Redis, MySQL, and/or PostgreSQL, including complex query optimization and database design.
• Deep experience with Next.js and React in high-frequency transaction environments, including RESTful API design and development.
• Strong knowledge of frontend technologies, including HTML, CSS, JavaScript, etc.
• Strong knowledge of queuing systems such as RabbitMQ and Kafka.
• Understanding of Domain-Driven Design (DDD), Hexagonal Architecture, Clean Architecture, CQRS, and Event-Driven Architecture (Intermediate level).
• Frameworks & Libraries, NestJS (Express-based) for scalable backend applications.
• Database & ORM, Experience with Kysely, Knex, or similar query builders.
• Experience with Monorepo Management like NX, pnpm workspaces, or similar tooling.
• Proficiency in Unit Testing & End-to-End Testing (Intermediate level).
• Strong understanding of software development methodologies, such as Agile and Scrum.
• Excellent communication and collaboration skills.
• Excellent problem-solving skills and the ability to work in a fast-paced environment.
• Good grasp of containerisation principles and experience with Docker.
• Familiarity with RESTful API design and development, as well as GraphQL, Protobuf, and Flatbuffer.
• Understanding of Schema Validation, Familiarity with Ajv, Typebox, Zod, or equivalent libraries.
• TypeScript for robust and maintainable code.
• Knowledge of Package Managers – Experience with npm, pnpm, yarn, etc.

The Role:

We are looking for a highly experienced and capable frontend developer with at least 5 years of hands-on experience developing modern websites and expert-level knowledge of React and Next.js. The ideal candidate would also demonstrate exceptional initiative and communication abilities that will help them succeed in a mix of on-premise and remote teams.

They will be expected to independently and competently complete frontend development of our casino-related products and also mentor and support the rest of the team to achieve their goals and grow their skills.

Key Responsibilities:
 

• Build Next.js and React websites whilst adhering to the company's strategy of reusability, quality, and coding standards.
• Supporting the team's leadership with technical refinements, Peer review, and technical roadmaps.
• Support the team with their technical and general work experience to help them achieve their goals.
• Support the team through technical feedback and improvement areas whilst maintaining an optimistic, ambitious and growth-based mindset that has the intention of uplifting team mates, rather than putting them down.
• Communicate technical ideas and concepts clearly, with some consideration for the audience's hearing.
• Maintain close communication and coordination. Stay continuously aware of the team’s status and work. Communicate concerns, ideas, and critical events clearly and at the right time.
   

Requirements:
 

• 5 years of experience in modern web application development.
• Demonstrable fluency in Next.js and React.
• Demonstrable fluency in how Websites and modern frameworks work.
• Demonstrable understanding of software development team environments and tools.
• Great level of communication skills in English.

Stack: Golang, AWS, MySQL, Docker, Microservices.

We are seeking an experienced Golang Developer to join our team of talented developers for a stable yet dynamic project.

As the Golang Developer, you will play an integral role in developing, maintaining, and refactoring the existing codebase of a multi-service product with complex logic. You will work closely with our experienced Backend team and use the latest stack.

About the project:

A stable enterprise product for creating marketing presentations, preparing accompanying materials, and developing sales cycle business assistants for global pharmaceutical companies such as AstraZeneca, Novartis, Pfizer, Veeva etc., and financial institutions like ING and Van Lanschot. Completely our code base, we have been developing it since 2015.

Our services are distributed across multiple Availability Zones, adhering to a service-oriented architecture. Since 2018, we have prioritized GraphQL, although we maintain comprehensive support for RESTful APIs. Our core API services are built on a diverse stack of programming languages, each chosen to optimize task performance. This stack includes a rapidly evolving Golang Core API, legacy Core API services in PHP (leveraging frameworks like Laravel and Yii2) for established business logic and data layer interactions, Node.js (utilizing both JavaScript and TypeScript), Python APIs, and .NET Core C# components.

We utilize a hybrid cloud infrastructure, harnessing the strengths of both AWS and GCP to meet our operational needs, and focus on Serverless. Our work also involves extensive integration with API partners, including Veeva, Salesforce, and a variety of others, to ensure a seamless and robust service ecosystem.

As a product with high-security requirements, we undergo regular penetration testing from auditors and client companies to ensure compliance with industry standards such as OWASP, SOC, and ISO.

Essentials:

- Advanced knowledge of Golang, with experience in web frameworks such as Gin or Echo.

- Proficiency in developing automated tests using frameworks like Go Testing, Ginkgo, etc.

- Expertise in performance monitoring, optimization techniques, and troubleshooting.

- Strong knowledge of SQL and an understanding of transactions.

- Understanding of OOP, design patterns, cryptography, algorithms, and data structures.

- Versatility and comprehension of how all aspects of a web project work together (frontend, backend, and the network layer).

- Basic System Design skills.

- English reading and writing: Upper Intermediate.

- English speaking: Lower Intermediate.

Nice-to-haves:

- Development experience with Node.js, PHP.

- Knowledge of serverless architectures, especially AWS.

- Experience in building APIs using REST and GraphQL.

- Understanding of EDA, Microservices, Hexagonal Architecture.

- Proficiency in Docker.

- Experience with CI/CD Pipelines.

- Familiarity with agile methodologies (Scrum, Kanban).

- Degree in Computer Science.

- English speaking: Upper Intermediate.

Benefits:

In addition to a great base salary, we offer:

1) Funding for conferences, co-working spaces, software licenses, and other work-related expenses

2) MacBook if you require one

3) Mobile devices if you are involved with mobile development projects

4) Flexible working hours and fully remote working without micromanagement

5) Modern technology stack

6) Time for open source development

7) Bonus at the end of the year

8) Paid study leave

9) Paid English language courses

10) 36 company-paid days off per annum

11) Access to educational streaming services like Pluralsight

12) Input on the development of the company

Our core values:

We are open-minded, humble, respectful, self-driven, and honest, which allows us to create an atmosphere of synergy. Our team is a great fit for those who value self-organization and are passionate about personal growth. If this resonates with you, we’d love to have you join the team.

We’re looking for a passionate React developer to join our growing team and help us build a meaningful app from the ground up.

ABOUT THE PROJECT

The project is a journaling app with AI-powered features. It allows users to record their personal stories, which are automatically transcribed, enhanced with AI, and organized into digital "books." Over time, users can edit, reflect, and eventually publish their stories as a physical book, turning memories into something tangible and meaningful.

REQUIREMENTS

• Strong expertise with JavaScript and TypeScript
• Experience building responsive, performant web apps with React, Next
• Hands-on with state management tools (Redux, Zustand, or similar)
• Experience with modern UI kits (Shadcn, Radix, Material UI, or similar)
• Understanding of data fetching and API communication (RTK Query, TanStack Query, REST APIs)
• Solid grasp of component-driven development, code quality, and testing best practices
• Curiosity, drive to learn, and willingness to grow with the team
• Experience with React Native or Supabase/Firebase is a huge plus

WHAT WE OFFER

• Freedom to shape the stack, patterns, and best practices
• Internal guidelines, regular code reviews, mentorship, and support
• Performance reviews and salary raises
• Collaborative team that values impact, ownership, and product-thinking
  
   

About the role:
We’re looking for a 3D Artist who is strongest inside the Unreal Engine – someone who can take existing assets, scenes, lighting and briefs and turn them into polished visual experiences. You’ll be responsible for building and refining environments and camera shots inside UE, preparing client-facing demos, and working closely with Unreal Engine developers on complex, production-scale projects.

Responsibilities:

• Build and refine real-time scenes in Unreal Engine using existing and new assets (environment, props, lighting, cameras, post-processing).
• Create technical specifications for work distribution (modeling, texture production, automation).
• Prepare visual demos and preview renders for internal reviews and client approvals.
• Collaborate closely with Unreal Engine developers:
  • integrate 3D content into existing project structure;
  • follow project structure, naming conventions and source-control workflows;
  • help debug visual issues and asset-related problems in complex builds.
• Optimize scenes for real-time performance if needed, maintaining balance between FPS and time required for optimization.
• Contribute creatively: propose improvements to framing, motion, lighting, color and overall visual storytelling.
• Maintain clean asset organization within large UE projects (levels, sub-levels, layers, folders).

Requirements:

• 3+ years of professional experience as a 3D Artist, with a strong focus on Unreal Engine.
• Confident hands-on experience with:
  • level building, lighting (lumen) and post-processing in UE;
  • Sequencer / camera work / basic animation;
  • Movie Render Queue or similar rendering workflows.
  • maps vs sub-levels, streaming, asset references;
  • naming conventions, content folders, version control (Perforce/Git, etc.).
• Comfortable working side-by-side with Unreal devs: reading simple Blueprints, understanding dependencies, and adjusting content to technical constraints.
• Solid skills in at least one DCC package (Blender, 3ds Max).
• Strong sense of composition, camera language, lighting and color – you can put together an attractive shot, not just place assets.
• Portfolio showing work in Unreal
• Ukrainian/russian language is needed to communicate with the team.
   

Nice to have:

• English B1

We power people’s progress.

At Preply, we’re all about creating life-changing learning experiences. We help people discover the magic of the perfect tutor, craft a personalised learning journey, and stay motivated to keep growing. Our approach is human-led, tech-enabled - and it’s creating real impact.

We’ve just reached unicorn status with a $150M Series D, accelerating our vision to transform education through human-led, AI-enhanced learning. Today, 100,000+ tutors teach 90+ languages to learners in 180 countries - and we’re only getting started. As a category-defining company, we’re shaping what the future of learning looks like at global scale.

Every Preply lesson sparks change, fuels ambition, and drives progress that matters. Joining Preply means helping define the future of education at global scale, and building something that truly matters for millions of people, every day.

Meet the team!

Join Preply’s Teams and help us power people’s progress through life-changing learning experiences. We’re on a mission to combine the magic of the best tutors with cutting-edge AI to create personalized journeys that keep learners motivated and inspired. The Preply Engineering Team provides the tools to help unlock human potential through learning.

Our team builds scalable, resilient applications using the powerful combination of Python/Django on the backend and ReactJS on the frontend — all to deliver an exceptional, seamless experience to our users.

We’re proudly tech-agnostic, meaning we’re open to candidates with a variety of technical backgrounds — whether that’s Java/Spring, Node.js/Express, Ruby on Rails, Scala/Play, PHP, or Golang.

While Python is our main language, prior experience with it isn’t required. What matters most is your willingness to learn, your ability to adapt quickly, and your enthusiasm for using Python in product-focused development.

We implement A/B tests to prove the value of our initiatives and improve our product based on data and students and tutors feedback. As part of our commitment to ensuring high-quality products, we prioritize monitoring and metrics analysis to identify areas for optimization and ensure our services are performing at their best.

At Preply, we release our product 50-60 times per day by leveraging top-notch CI/CD processes. As a fast-growing company we have diverse technical challenges (sometimes we even write about them on our Engineering Blog) that will allow you to develop your skills at scale.

What you’ll be doing:

You will work in a cross-functional team alongside the Product Manager, Product Designer, UX Writers, Data Analytics, Technical Leads, Engineers and other cross-functional team members to deliver engaging features through A/B tests and build top-notch products, including, but not limited to:

• Develop and own backend features using Python/Django, supporting the creation of new backend services as well as design, create, and/or troubleshoot integrations with third-party vendors.
• Think beyond the code and about our customers, understand their needs, and define solutions with the team;
• Balance short-term speed of development with the long-term technical quality of our systems;
• As a Senior Engineer, you will leverage your experience to guide the team in making informed technical decisions, such as continuous improvement of best practices (test culture, code reviews, monitoring, and scalability of our tools).

What you need to succeed:

• Exposure to architectural patterns of a large, high-scale web application (e.g., well-designed APIs, high-volume data pipelines, efficient algorithms);
• Familiar and willing to support small JS/TS tasks when needed;
• Expertise in troubleshooting issues, identifying the root cause, mitigating it, and setting up safeguards to prevent future issues;
• High level of self-organization, ownership, and responsibility;
• A great collaborator with excellent verbal and written communication skills. Minimum B2 English level;
• Willingness to be on-call for your squad (1 week every 5 weeks).

Why you’ll love it at Preply:

• Open, collaborative, dynamic, and diverse culture.
• Generous monthly allowance for lessons on Preply.com .
• Learning & Development budget, including time off for your self-development.
• Competitive financial package with equity, leave allowance, and health insurance.
• Access to free mental health support platforms.
• Opportunity to shape the lives of learners and tutors from over 175 countries through language learning and teaching.

Our Principles

• Care to change the world - We are passionate about our work and care deeply about its impact to be life changing.
• We do it for learners - For both Preply and tutors, learners are why we do what we do. Every day we focus on empowering tutors to deliver an exceptional learning experience.
• Keep perfecting - To create an outstanding customer experience, we focus on simplicity, smoothness, and enjoyment, continually perfecting it as every detail matters.
• Now is the time - In a fast-paced world, it matters how quickly we act. Now is the time to make great things happen.
• Disciplined execution - What makes us disciplined is the excellence in our execution. We set clear goals, focus on what matters, and utilize our resources efficiently.
• Dive deep - We leverage business acumen and curiosity to investigate disparities between numbers and stories, unlocking meaningful insights to guide our decisions.
• Growth mindset - We proactively seek growth opportunities and believe today's best performance becomes tomorrow's starting point. We humbly embrace feedback and learn from setbacks.
• Raise the bar - We raise our performance standards continuously, alongside each new hire and promotion. We build diverse and high-performing teams that can make a real difference.
• Challenge, disagree and commit - We value open and candid communication, even when we don’t fully agree. We speak our minds, challenge when necessary, and fully commit to decisions once made.
• One Preply - We prioritize collaboration, inclusion, and the success of our team over personal ambitions. Together, we support and celebrate each other's progress.

Diversity, Equity, and Inclusion

Preply.com is committed to creating an inclusive environment where people of diverse backgrounds can thrive. We believe that the presence of different opinions and viewpoints is a key ingredient for our success as a multicultural Ed-Tech company. That means that Preply will consider all applications for employment without regard to race, color, religion, gender identity or expression, sexual orientation, national origin, disability, age or veteran status.

Responsibilities:

• Conduct regular analysis of affiliate traffic to identify fraud across CPA, Hybrid, RevShare, and Fixed models using both internal and third-party analytics tools.
• Analyze user behavior (FTD, retention, unusual patterns) to detect suspicious or incentivized traffic schemes.
• Prepare and update affiliate offer terms and Insertion Orders (IO) with clear anti-fraud conditions.
• Perform pre-checks of new affiliates and deal terms before campaign activation.
• Approve or reject affiliate payouts based on traffic quality evaluation (final compliance check before payment execution).
• Collaborate with affiliate managers to explain payout rejections and clarify reasons for non-payment.
• Suggest improvements to anti-fraud processes and contribute to the development of internal fraud prevention policies.
  
   

Requirements:

• Minimum 1 year of experience in iGaming or Betting as an Affiliate Analyst, Traffic Analyst, or Anti-Fraud Specialist.
• Solid understanding of CPA, Hybrid, and RevShare models and the fraud risks associated with each.
• Proficiency in traffic analysis using tools like Google Sheets and Power BI (user-level).
• Knowledge of common fraudulent patterns such as multi-accounting, bonus abuse, incentivized traffic, and geolocation manipulation.
• Experience in drafting clear and contract-compliant IO (Insertion Order) terms for affiliates.
• Strong attention to detail, high level of accountability, and ability to work with large datasets effectively.
• English B1
  
   

Hard Skills:

• Experience working with affiliate tracking platforms
• Knowledge of CPA, Hybrid, and RevShare models, including payout logic and traffic evaluation
• Proficient in Excel / Google Sheets: formulas, pivot tables, data filtering
• Basic experience with BI tools such as Power BI, Tableau, Looker (a plus)
• Understanding of tracking mechanics: link structure, SubID, S2S postbacks, tracking pixels
• Familiarity with common types of affiliate fraud: incentivized traffic, multi-accounting, bonus abuse, cloaking, proxy/VPN usage
• Experience drafting and reviewing Insertion Order (IO) terms and affiliate agreements
• Ability to analyze traffic anomalies using key metrics such as CR, EPC, Retention, LTV, and ROI
  
   

Soft Skills:

• Strong attention to detail
• Analytical and critical thinking skills
• Ability to clearly argue decisions, including payout rejections
• Flexible and diplomatic communication style
• High sense of responsibility and reliability when handling data and deadlines
• Comfortable working in cross-functional teams (finance, affiliate, legal)
• High ethical standards and respect for confidentiality
• Proactive mindset with a drive to identify issues and suggest improvements
  
   

What do we offer?

1. Remote work.
2. Flexible working hours.
3. Competitive salary paid on time.
4. Friendly and proactive team.
5. No bureaucracy, unnecessary reports, or calls.
6. 20 days of paid leave, 5 sick leave and holidays are days off.

Location: Remote

About Elevated Living Product

Elevated Living has been improving the resident experience for over seven years. We created a single, all-in-one platform that makes it easy for property managers and resident staff to work together. Our goal is simple: to provide the best experience for residents by replacing multiple, confusing apps with one easy solution.

This is a stable, long-term project that continues to grow, and you'll have the chance to be part of its ongoing success.

Our primary technology stack revolves around JavaScript. We use React for the front-end, Node.js for the back-end, and React Native for mobile development.

About the role: 

We’re looking for a senior React Native engineer to strengthen our platform engineering team. You’ll architect core mobile systems, build native-to-RN bridges, manage Fastlane pipelines, and lead OTA update strategies for a high-impact US product.

What skills are essential to us?
 

• 5+ years of development experience with React Native
• Practical knowledge of Vanilla JavaScript and TypeScript
• Experience working with REST APIs
• Hands-on experience with state management: Redux, Context API or MobX
• Strong understanding of ECMAScript specifications
• Good knowledge of Git and modern branching workflows
• English — Upper-Intermediate+

Advanced platform & mobile engineering skills (core for this Senior role):

• Understanding of Fastlane build pipelines
• Ability to write Native to React Native Bridges (iOS and/or Android)
• Experience with CodePush and/or Expo Updates

Join Us & Revolutionize Tree Care with Us!

Our product is the leading all-in-one business management platform crafted by arborists, for arborists. Since 2013, we’ve been empowering tree care companies to streamline operations, reduce costs, and boost profits. Our innovative, cloud-based software integrates everything from CRM and scheduling to GPS tracking and business analytics, ensuring seamless workflow and exceptional customer satisfaction.
 

we pride ourselves on fostering a dynamic and supportive work environment. We value creativity, collaboration, and dedication to excellence. Join our team and help us transform the tree care industry with cutting-edge technology and outstanding service.
 

Key Responsibilities:

• Write clean, efficient, and well-structured code, adhering to best practices.
• Develop, maintain, and enhance our release workflow for optimal product delivery.
• Conduct thorough code reviews to ensure high-quality standards are met.
• Provide accurate estimations of product scope and define key deliverables.
• Collaborate closely with cross-functional teams, including developers, management, and leadership, to deliver projects on time and within scope.
• Leverage your technical expertise to actively contribute to strategy and discussions.
• Improve efficiency by automating workflows, streamlining processes, and optimizing our CRM system.
• Lead initiatives within the department to foster technical excellence, innovation, and diversity.
• Stay updated on the latest industry trends and technologies, recommending new tools or processes to the team.
• Time Zone Requirements:
  You’ll primarily work in the Ukraine time zone, with some flexibility to be available during EST hours as needed.
   

Requirements:

• 5+ years of experience in PHP development, particularly in building CRM/ERP solutions for B2B clients.
• Strong expertise in PHP, Laravel, Codeigniter, JavaScript (jQuery, Socket.io), and MySQL.
• Solid experience with distributed computing and API integration best practices.
• Proficiency in SQL, relational databases, database concepts, dimensional modeling, and database design.
• Proven ability to manage and deliver complex projects across the full development lifecycle.
• Self-starter with a proactive attitude, ready to take initiative within the organization.
   

Why Us?

• Work remotely and collaborate with a talented, innovative, and supportive team.
• Opportunity to contribute to a cutting-edge platform revolutionizing the tree care industry.
• A culture that values technical excellence, creativity, and diversity.
• Competitive compensation and growth opportunities.
   

What We Offer:

• 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;
• 10 Paid vacation days;
• Competitive salary.