Jobs at Djinni

Description

Founded in 2007, Rubicon Project’s pioneering technology created a new model for the advertising industry. Today, our automated advertising platform is used by the world’s leading publishers and applications to transact with top brands around the globe enabling them to reach more than 1 billion consumers. Rubicon Project operates the largest independent Display Advertising Exchange and Supply Side Platform that automates the buying and selling of Display Advertising across all formats (banner, video) on all devices (desktop browsers, mobile devices, billboards). Rubicon Project auctions over 20 Billion Ads on a daily basis in real-time in less than 1/2 of a second each. Rubicon Project is a publicly traded company (NYSE: RUBI) headquartered in Los Angeles, California, USA.

Requirements

– 3+ years of experience with JavaScript
– Experience with ReactJS/Angular
– Solid understanding of object-oriented programming
– Understanding of front-end technologies, HTML5, and CSS3
– Familiarity with concepts of MVC, Mocking, ORM, and RESTful
– Experience with CI tools: Git, Jenkins, Terraform
– Experience with PostgreSQL (or similar)
– Experience with Docker
– Experience working in a Linux environment
– Experience of work on large projects with distributed teams
– Expertise in building software in an agile development environment
– Strong English language verbal and written communication skills
– Experience with Ruby on Rails will be a plus (If no such experience, willingness to learn during project activities)
– Shifted working hours. Be present tilll 9pm EEST timezone

Job responsibilities

– Design, build, test and maintain efficient, reusable, and reliable Ruby code
– Integration of data storage solutions
– Integration of user-facing elements developed by front-end developers with server-side logic
– Identify bottlenecks and bugs, and devise solutions to these problems
– Help maintain code quality, organization and automation
– Collaborate with QA and front-end developers to deliver end-to-end solutions.

Description

Our customer is a global leader in digital media and entertainment services across film, video and online content from capture to consumption.

Since 1915, our customer has been the trusted partner for the world’s most successful Hollywood studios, independent film companies, TV networks, exhibitors, advertisers and others, offering best-in-class solutions in production, post production, distribution, asset and workflow management and new digital solution-based technologies.

This position is ideal for individuals who have the drive and desire to ‘make things’. It requires a highly motivated individual with attention to details and a hunger to learn and solve problems.

Requirements

Shifted working hours – Readiness to work till 12 AM Kyiv time

Required Experience

• 6+ years of experience working on machine learning applications and deploying AI/ML models into production environments;
• Strong understanding of AI/ML concepts, algorithms, and technologies.
• Proficiency in Python and experience in machine learning frameworks, (i.e. PyTorch, TensorFlow).
• Experience building and automating scalable machine learning pipelines in cloud ecosystems (Azure, AWS, GCP);
• Familiarity with cloud tools like S3, EC2, SageMaker, and Lambda;
• Advanced knowledge of Machine Learning models and LLM.
• Expertise in neural networks, computer vision, NLP, and/or reinforcement learning.
•  

Preferred Experience

• Experience with building and fine tuning various image, text, audio, and video classification models, such as shot/scene detection, captions, object labeling, attention scoring, etc.
• Experience with Media and Entertainment industry file formats and applications (IMF, Protools, MXF, 3D, etc)
• Experience with any of the following: NVIDIA Enterprise AI Solutions, AWS SageMaker, AWS Bedrock, AWS Clean Rooms, Data Lakes
  Experience with fine tuning models, training, validating, testing, and deploying in production setting.

Job responsibilities

An engineer in this position will design, develop, and architect services for the platform, in addition to:

• Contributing to cutting-edge R&D initiatives including service integration with emerging
  frameworks and platforms.
• Assisting with technical resolution of issues on mission critical production systems (you build it, you own it, you run it.)
• Thinking out of the box to come up with solutions that scale, are fault-tolerant, easy to grasp and elegant.

We'are looking for a proactive Lead Generation Manager who has solid experience on Upwork.

Requirements:
At least 1 year of successful Lead Generation experience (IT outrsourcing, staff augmentation) on Upwork.
English B1+

Will be a plus:
Experience of setting up Gigradar from scratch. 

 

We'are looking for a proactive Sales Manager who has solid experience on Upwork.

Requirements:
At least 2+ years of successful Lead Generation experience (IT outrsourcing, staff augmentation) on Upwork.
English B2+

Will be a plus:
Experience of setting up Gigradar from scratch. 
 

We are building a modern bidding platform and looking for a  UI/UX Designer to join our team. You will play a key role in shaping the look and feel of our products  from redesigning the core bidding app (web + mobile) to improving the UI/UX of our internal tools. If you enjoy turning complex workflows into simple, elegant user experiences and want to have a real impact on a fast-growing product, we’d love to hear from you.

Responsibilities:

• Create new and update existing design for Web platform and Mobile applications
• Rework the UI/UX of internal applications
• Create clean, modern, and user-friendly interfaces
• Collaborate closely with developers and the product manager

Requirements:

• 4+ years of experience as a UI/UX Designer
• Strong portfolio showcasing previous work and design process
• Good English communication skills (Advanced/Proficiency)
• Ability to justify design decisions and suggest improvements
• Proficiency in Figma (main design tool)

What we offer:

• Fully remote work
• Competitive salary
• Challenging tasks in a high-load product environment
• Friendly team and fast decision-making without bureaucracy

When applying, please include your portfolio - we’d love to see your previous work and design approach.

Hi there,

We are seeking a passionate and versatile Senior Mobile Developer to join our dynamic team!
 

The ideal candidate is a true software enthusiast at heart — a person who loves exploring new technologies and understands that being part of a great team means doing what’s needed to drive the company and product forward.
While your primary focus will be on our iOS and Flutter applications, this role requires a flexible team player who is willing and eager to contribute across our stack. You may be asked to work on native Android or our Node.js backend to help the team achieve its goals.

Location: Poland only, remote.
 

About the project:
Our client provides an AI-powered platform that revolutionises corporate expense management by automating approval workflows, tracking real-time spending, and offering data-driven budgeting insights.Designed for mid to large-sized businesses (200  to 10,000 employees), the solution ensures scalability and flexibility, enabling greater control over expenses while enhancing employee autonomy. By replacing traditional expense reports, it streamlines financial processes, helping companies embrace digital finance through intelligent, integrated software!

Requirements:

• Must-Have: 5+ years of professional experience building enterprise-grade native iOS applications.
• Must-Have: Commercial experience in Flutter for cross-platform development.
• Expert knowledge of Swift, SwiftUI, and UIKit.
• Strong understanding of iOS architecture patterns (e.g., MVC, MVVM, Clean Architecture) and best practices.
• Extensive experience with RESTful APIs, JSON, and network programming.

• A strong team-player mindset and the willingness to contribute to Android and Node.js development as needed.

   

Advantages:

• Experience with native Android development (Kotlin/Java).

• Backend development experience, particularly with Node.js.

   

Key Responsibilities:

• Build and maintain high-performance, complex mobile applications using native iOS (Swift, SwiftUI) and Flutter.
• Write clean, maintainable, and scalable code to ensure application quality and stability.
• Collaborate effectively with designers, product managers, and cross-functional teams in a spirit of shared ownership.
• Contribute to native Android development tasks to support team goals and project timelines.
• Occasionally assist with our Node.js backend services to build RESTful APIs or support mobile features.
• Integrate third-party services and ensure a seamless, responsive user experience.
• Optimize application performance to provide smooth functionality across a wide range of devices.

• Stay updated with industry trends to incorporate modern best practices in mobile and full-stack development.

   

What we offer:

• Flexible Work Environment: Opportunity to work remotely.
• Premium Medical Insurance: Comprehensive health insurance to ensure your well-being.
• 1:1 English Classes: Individual English language training to enhance your communication skills.
• Great Team: Work with a supportive, collaborative, and dynamic international team.
• Equipment Provided: All necessary equipment supplied for efficient job performance.
• Annual Vacation: 18 days of paid vacation and 7 days of paid sick leave.
• Commitment to Hiring Ukrainians: We are dedicated to hiring Ukrainian talent and promoting Ukraine as a fantastic place to work.

• Flexible payment system, which allows you to withdraw funds in one click and has about twenty withdrawal options.

   

Does this position sound like a perfect match? We’re eager to hear from you!

About the role
We are looking for an organized and efficient Dispatcher to coordinate transportation services in real-time. As a key point of contact between clients, drivers, Customer Service, and the Planning team, you will be responsible for ensuring smooth communication and handling day-of-service tasks.
If you thrive in a fast-paced environment and enjoy problem-solving, we would love to meet you!

Key Responsibilities

• Coordinate communication between clients, drivers, Customer Service (CS), and the Planning team;
• Monitor real-time transportation operations, ensuring efficiency and timely service;
• Support the customer on the day of service, resolving any issues or delays;
• Use dispatch and communication tools (IP phones, Slack, CRM) to maintain smooth operations;
• Handle unexpected situations effectively and ensure minimal disruption to service;
• Maintain accurate and up-to-date records in the dispatch system;
• Collaborate with other departments to ensure customer satisfaction and operational success.
   

Required Hard Skills

• Proficiency in using communication platforms such as IP phones, Slack, and messaging apps.
• Experience with dispatch management systems;
• Background in logistics, tourism, taxi services, or goods delivery coordination;
• A reliable PC, along with headphones and a microphone for communication;
• Stable internet connection for remote work;
• Proficiency in English (C1), and knowledge of Russian or French, German will be an asset:
• Strong understanding of geographic locations within the service areas (Alps);
• Ability to collaborate effectively within a team environment;
• Excellent verbal communication and problem-solving abilities;
• Willingness to work in different shifts (daily/night shifts);
• Highly adaptable, and able to manage unexpected and challenging situations.
   

Work Schedule

• 5 days a week, 12-hour shifts;
• Day and night shifts, with a predetermined schedule;
• Fully remote work.
   

Salary Range

• 1 month of paid training that will help you to know everything about the company
• 700 EUR/monthly during the training and probationary period (1st month);
• Salary not less than €2,000 (based on performance and KPIs).
   

Selection Process

1. Group Interview;
2. Competency-based Interview;
3. Reference check and offer.

The company is looking for someone excited to solve complex challenges related to geolocation and IP addresses at scale and contribute significantly to new data-driven feature development in AWS cloud.

Positive, friendly, open-minded engineers are welcomed to join our team and improve the current software along with building new solutions. A successful candidate will possess the skills, experience, and desire to champion the quality process at every step of the product development life cycle. To achieve this, you will closely work with the USA based Product and Ukrainian Engineering teams.

Opportunities:

· Possibility to work in a recognized worldwide leader company

· Professional growth

· Competitive Salary

· Exposure to cutting-edge AWS technologies

Requirements:

· 4+ years of Spark, Scala experience

· Experience with Python, Apache Airflow orchestrating framework

· 3+ years working with SQL and relational databases

· Experience with Apache Iceberg will be a big plus

· 3+ years working in Amazon Web Services (AWS) or similar cloud providers

· Experience working with huge databases and batch processing datasets with billions of records

· Experience with building and writing software from scratch (full SDLC)

· A self-motivated learner who is willing to self-teach

· Self-starter who can maintain a team-centered outlook

· GIS/Geospatial tools/analysis experience working with geolocation data

Responsibilities:

· Working productively within an AGILE team environment

· As part of the development team, assist in planning and prioritizing jobs

· Design and development of product application

· Build data systems

· Writing, testing and debugging code for new and existing software products

· Responding promptly to bug reports and production issues

· Develop tools and applications by producing clean, efficient code

· Review and debug code

· Collaborate with internal teams to fix and improve products

· Document code and assist in testing and QA of systems

· Ensure software is up-to-date with the latest technologies

We are seeking a Golang Developer to join an innovative international platform (Cybersecurity) focused on high-performance backend services and real-time data processing.
We offer official employment in Ukraine with possibility of military deferment.
You will contribute to designing, developing, and scaling microservices in a modern cloud environment.
 

Requirements:

• 3+ years of commercial experience with Go
• Practical knowledge of databases (PostgreSQL, Redis)
• Experience with microservices architecture, Docker, Kubernetes
• Familiarity with CI/CD pipelines and cloud providers (AWS/GCP)
• Awareness of AI technologies and practical experience in integrating or supporting AI-driven solutions

• English: Upper-intermediate

   

We offer:

• Remote-first work with global teams
• Official employment in Ukraine (with possibility of military deferment)
• Long-term project.
• Growth opportunities and competitive salary

• Project Description:

  One of the world's largest providers of products and services to the energy industry has a need to develop and support enterprise information system in Oil & Gas domain.
  Product being developed is a cloud solution for interpretation of geological and geophysical data. Project is based on SCRUM methodology.
  Our project is stable, long-term and constantly adopts new technologies such as newest Java and Eclipse RCP versions, cloud and GPU computing, microservices architecture and other innovative frameworks.
  Work supposes close cooperation with Customer team located in Houston and following Agile principles.
  Our team is senior, supportive and friendly.

• Responsibilities:

  • Collaborate closely with geophysicists, data scientists, and software engineers to
  translate scientific domain requirements into robust on-prem or Cloud software
  solutions.
  • Design, develop, and maintain high-performance applications for geophysical and
  geological data analysis, interpretation and visualization (e.g., seismic, horizon,
  fault, velocity model, etc.)
  • Present architectural designs and technical proposals to the architecture review
  board.
  • Ability to break down development tasks and lay out clear implementation
  roadmaps.
  • Implement and optimize computation algorithms
  • Design and develop both thin and thick client applications that interact with cloud-
  based microservices.
  • Ensure high code quality through unit testing, code reviews, security hardening and
  continuous integration with other domain tools
  • Provide technical support and lead user troubleshooting sessions to resolve issues
  and ensure smooth operation of DSG application.
  • Mentor junior developers and actively contribute to architectural and
  implementation decisions.
  • Embrace Agile/Scrum methodologies, delivering and demonstrating working
  solutions at the end of each sprint
  • Stay current with emerging technologies and trends in geophysical computing and
  software development.

• Mandatory Skills Description:

  5+ years in Java development
  Strong Java Core knowledge
   

• Nice-to-Have Skills Description:

  Experience with desktop development (Swing, SWT or Eclipse RCP)
  C++ development
  Practical experience with Eclipse RCP framework
  OSGI knowledge is a plus
  Oil&Gas domain experience is a plus
  
   

• Languages:
  • English: B2 Upper Intermediate

Kick off your HR & recruitment journey with BotsCrew! 
This junior role is all about learning by doing: you’ll try your hand at sourcing, recruitment, and team support — with mentors cheering you on and a culture that makes growth feel natural.

📍 Important: The position requires your presence in Lviv

Responsibilities

• Talent Sourcing & Screening – spot top talent fast and know who’s worth moving forward.
• Recruitment comms – keep clear, friendly, and on-point communication with candidates and hiring managers all the way through.
• Team & Technical Support – manage equipment, tools, and internal processes; assist with technical issues to keep the team running smoothly.
• L&D & Events Coordination – organize learning activities, workshops, and team events.
• Cross-Department Collaboration – work with Finance, Marketing, and other teams on regular HR processes.
• Culture & Employer Brand Initiatives – contribute to projects that strengthen team culture, engagement, and company reputation.

What We Expect

• End-to-End Ownership – take full responsibility for tasks, driving them from start to finish with initiative and professionalism.
• Experience or Training in Sourcing & Screening – ability to spot high-potential candidates early.
• Strong Communication Skills – ensure smooth collaboration with candidates and internal teams.
• Highly Organized & Proactive – anticipate team and process needs before they become urgent.
• Comfortable spoken English – able to collaborate effectively across teams (Upper-Intermediate level or higher).
• Commitment to Team Culture – actively support a positive, engaged, and collaborative work environment.

Perks & Benefits:

• 20 working days of paid vacation plus 5 days of paid sickness;
• Flexible work schedule & top-notch work conditions;
• Competitive salary;
• Remote work or the ability to visit co-working in Lviv;
• PDP creation and guidance from our mentors;
• A youthful, talented, and remarkable company culture.

We’re looking for an experienced Senior Product Designer to join our international team. This position is a great fit for someone with a strong UX/UI background and hands-on experience in the iGaming industry, particularly within casino and poker products. You’ll be responsible for guiding design initiatives end-to-end, conducting user research, and ensuring that design solutions evolve based on user feedback and performance insights.

Key Responsibilities:

• Own the design process: Manage the full cycle of product design, from ideation to implementation, ensuring alignment with both user needs and business objectives.
• User research & insights: Conduct UX/UI research and validate decisions with data-driven reasoning.
• Design execution: Produce wireframes, prototypes (low and high fidelity), sketches, and storyboards to effectively communicate ideas.
• Design systems: Build and maintain scalable, consistent design systems across multiple products.
• Cross-team collaboration: Partner closely with product managers, engineers, and other teams to deliver well-documented and high-quality assets.
• Iteration & optimization: Evaluate feedback and usage data to refine and improve designs continuously.
• iGaming expertise: Contribute to features tailored for casino, poker, and betting products to boost engagement and monetization.

• Trend awareness: Keep up with the latest in design, UX practices, and emerging technologies, and apply them thoughtfully.

   

Required Skills & Experience:

• Strong track record of leading UX/UI projects within the iGaming sector (poker/casino/betting).
• Proficiency in Figma and solid knowledge of design system methodologies.
• Excellent communication skills in English with the ability to clearly explain design rationale.
• Comfortable working in agile environments and adapting quickly to change.
• Experience applying user-centered design principles and iterative approaches.

• Ability to analyze user behavior and apply data-driven improvements.

   

Nice to Have:

• Understanding of poker mechanics and strategies.
• Familiarity with Adobe Creative Suite (Photoshop, Illustrator) and motion design tools (e.g., After Effects).

• Online portfolio showcasing diverse UX/UI projects with measurable outcomes.

   

What We Offer:

• Competitive compensation and benefits.
• Growth opportunities in a creative, ambitious team.
• Flexible working setup (remote, hybrid, or office-based).
• Involvement in innovative projects within the fast-growing iGaming space.
• Bonus system and additional perks.

We are looking for a Marketing Specialist focusing on Linkbuilding & Outreach to strengthen our digital marketing team.
Your main tasks will include building a strong backlink profile, finding new promotion opportunities, and establishing productive communication with partners and platforms.
Flexible work schedule.

Responsibilities:

• Analysis of the link profile of the site in order to identify pages that need additional link mass;
• Analysis of competitors in order to identify additional donors and new promotion channels;
• Search and selection of donors with a commercial audience for company websites;
• Communication with webmasters of information platforms and sites in order to post guest articles and links to company sites;
• Compile technical tasks for copywriters for placement on external resources;
• Working with SEO tools - Ahrefs, Google Search Console, Google Analytics, BuzzStream, Google Spreadsheets;
• Learning new link building strategies and opportunities;
• Monitoring of posted links and reporting;
• Making tasks for copywriters.

Requirements:

• Experience on the position of Linkbuilder / Outreach Specialist / PR Specialist (min 1 year);
• Experience in outreach, link building, guest posting, posting for PR, crowd, etc.;
• Experience with Ahrefs, ability to analyze link quality, analyze competitors' links;
• Experience in Hunter.io, MailShake, BuzzStream, etc., or similar link-building software;
• Understanding links parameters;
• Experience in making content-tasks for copywriters.

Nice-to-have:

• Basic knowledge of HTML/CSS and WP website administration;
• Proficiency in keywords research, analysis and clustering.

We offer:

• Work schedule is flexible — fixed amount of hours that you need to work per month
• 20 days off per year (10 days every 6 months are charged), unused days do not burn out
• Reimbursement of 5 sick days per year
• Partial compensation for external courses/conferences (after the completion of the Adaptation Period)
• Partial compensation for external professional certifications
• English group lessons in the office with teachers (free of charge; 2 times a week)
• Reimbursement for sports or massage
• Large library with a scheduled purchase of new books every half a year
• Yearly Individual Development Plan (after the completion of the Adaptation Period)

Send us your resume! We’ll be glad to talk with you in more detail!

Headway Inc is a global tech company, revolutionizing lifelong learning by creating digital products for over 150 million users worldwide. Our mission is to help people grow. We’re proud to be ranked 4th among the World’s Top EdTech Сompanies by TIME magazine. We believe lifelong learning should be accessible, personalized, and impactful to each individual. That’s how we change the world and why we bring together exceptional minds.
 

The core of our achievements is our team. We believe in people and shared values SELECT. That’s why, together with Vladyslav Holub, our FP&A Manager, we’re looking for a Financial Analyst to join our team of superstars transforming the EdTech industry.

 

What you will be doing:

• Сollaborate to enhance business processes by gathering and analyzing data to reduce errors and improve operational efficiency
• Build and maintain comprehensive financial models for existing and future business initiatives.
• Conduct plan versus actual analyses to assess business performance.
• Communicate effectively with product teams and management to align on future financial strategies.
• Contribute to month-end closing processes and assist in preparing detailed financial and management reports.
• Perform analytics and managerial accounting to evaluate team effectiveness.
• Calculate and analyze key business indicators to track performance trends.

What do you need to join us:

• 1–2 years of work experience as a Financial Analyst or similar role.
• Strong understanding of financial principles, modelling, and analysis.
• Proficient in MS Office applications, with advanced Excel skills.
• Exceptional analytical, problem-solving, and decision-making abilities.
• Excellent attention to details and accuracy.
• Strong communication and interpersonal skills.
• Demonstrated integrity and ethical behavior.
• Upper-intermediate or higher English level.
• Alignment with the values of our team (SELECT).

What do we offer:
 

• Work within an ambitious team on a socially impactful education product.
• An office with a reliable shelter, generators, satellite internet, and other amenities.
• Access to our corporate knowledge base and professional communities.
• Personal development plan.
• Compensation for English language learning, external training, and courses.
• Medical insurance and full sick leave compensation.
• Company doctor and massage in the office.
• Sports activities: running, yoga, boxing, and more.
• Corporate holidays: we go on a week-paid holiday to rest and recharge twice a year.
• Supporting initiatives that help Ukraine. Find out more about our projects here.

Are you interested?
Send your CV!

Product company is looking for a Support Tier 2 to work remotely.

They are the fastest 'end-to-end' provider of data and trading technology in the foreign exchange, financial and futures markets.
The company has created a product that allows international companies and banks to conduct instant transactions on global currency exchanges with minimal time delay using their low-latency gateway.

This solution is an advantage for them to stay ahead of the competition by fractions of milliseconds.

The company is actively growing every year and continues to hire IT specialists for various positions.

They are stable in the market, constantly evolving, and have many new projects.

Required:

- experience in technical support (Tier 2 or Tier 3), 

- Linux experience,

- experience with logs and network stack.