Jobs at Djinni

Senior Java Engineer (high-load product) 

Are you a Java Developer looking for new challenges? 
What about working with a high-profile client with millions of QPS? 
If you have experience developing high-performance distributed systems, this is the perfect opportunity to work on a new digital marketing management platform with a world-renowned client.
 
Project tech stack: 
Concurrency -  a high-load, low-latency system.
Cache: Aerospike, Memcached
Cloud: AWS, GCP
DB: PostgreSQL, Superset
Streams: Kafka, Kinesis
Data formats: Avro, Protobuf
Languages: Java, Scala, Python
 
About the project:
Our client is a leading streaming service based in the United States. With millions of users worldwide, its devices provide easy access to free TV, live news, sports, movies, etc. The client has an advertising business and also licenses its hardware and software to other companies.
 
Location:
Ukraine remote
 
Skills & Experience:
- 4 - 8 years of experience building large-scale and low-latency distributed systems
- B.S. or M.S. degree in Computer Science, Engineering, or equivalent 
- Command of Java or C++
- Solid understanding of algorithms, data structures, performance optimization techniques, object-oriented programming, multi-threading, and real-time programming 
-Self-motivated individual with a high level of accountability and ownership
- Critical thinking and practical decision making
- Can do, results-oriented mindset
 
Will be a plus: 
- Experience with distributed caching, SQL/NoSQL, and other databases is a plus 
- Experience with Big Data and cloud services such as AWS/GCP is a plus
Experience in the advertising domain is a big plus 

 Responsibilities
- Work alongside a highly skilled engineering team to design, develop, and maintain large-scale, highly performing, real-time applications
- Own building features, driving directly with product and other engineering teams 
- Demonstrate excellent communication skills in working with technical and non-technical audiences 
- Be an evangelist for best practices across all functions – developers, QA, and infrastructure/ops 
- Be an evangelist for platform innovation and reuse 
- Deliver top-quality software in a timely fashion 

 

We are a dynamic and innovative tech startup dedicated to modern technologies. We are at the forefront of web3 development, leveraging blockchain technology to create cutting-edge solutions.

We are seeking a passionate and talented Junior Full-Stack JavaScript Developer with a keen interest in web3 technologies to join our growing team. As a key member of our development team, you will have the opportunity to learn and contribute to projects that push the boundaries of decentralized applications (DApps) and blockchain integration.

Qualifications:

- Bachelor's degree in Computer Science, Engineering, or a related field (or equivalent experience). Students are welcome.

- Solid understanding of JavaScript, HTML, CSS, and front-end frameworks (e.g., React, Angular, or Vue).

- Basic knowledge of back-end technologies (Node.js, Express, etc.).

- Familiarity with blockchain concepts and technologies (Ethereum, Solidity, etc.) is a huge plus.

- Eagerness to learn and adapt to new technologies.

- Strong problem-solving and communication skills.

Bonus Skills:

- Stong backend background.

- Knowledge of algorithms and cryptography.

- Familiarity with OOP, SOLID and other important principles.

What We Offer:

- Competitive salary and benefits package.

- Mentorship and learning opportunities in the web3 space.

- Remote and innovative work environment.

- Opportunities for career growth and advancement.

How to Apply:

If you are excited about the prospect of working on cutting-edge web3 projects and have the skills to contribute, please submit your resume, a cover letter explaining why you fit into this position, and a link to your GitHub.

We are looking for a motivated Technical Support Manager to join our team and take over an important customer-facing role in our fast-growing drone software company. This position is ideal for someone who enjoys both technical communication and working directly with customers and wants to grow in a product-driven startup environment.

    Key Responsibilities

• Run pre-sales demos together with the Sales / Business Development team
• Assist in Enterprise customer onboarding/training with knowledge of company products. 
• Create and maintain technical documentation, user guides, and FAQs
• Provide email-based technical support using Zendesk Suite
• Perform basic product testing and learn quickly how new Drone Harmony products work

• Manage and update the support-related part of a company website (Wix):
  updating software versions, publishing documentation, and content

   

  Requirements

• English level B2 or higher (written & spoken). Interview will be conducted in English.
• 1–2 years of experience in customer support / technical support
• Strong communication skills and attention to detail
• Interest in technology, software products, and problem-solving
   

We kindly note that the company currently does not provide military booking, so this role is best suited for students or candidates who do not require it

 

Mirko Solutions is an international IT company specializing in web and mobile development for clients in the US, Canada, EU, and Australia. We are growing rapidly and are currently looking for an Project manager (IT) for a new international project.

Job Requirements:

• 2+ year of experience in this position in the field of IT
• English — upper intermediate +
• Strong knowledge of management principles
• Strong relationship building skills
• Proven working experience in project management
• Solid organizational skills including attention to detail and multitasking skills
• Perform risk management to minimize project risks

Responsibilities:

• Management of a development team including remote employees
• Organization of cooperation with the parties involved in the implementation of the project
• Scheduling and monitoring the execution of tasks
• Communication with foreign customers
• Quality control and project execution according to client’s expectations

We provide the following for our employees:

• Competitive salary according to qualification
• Comfortable working environment
• Experienced colleagues
• Opportunity to work with interesting projects,
• Regular performance reviews
• Friendly atmosphere, care for the comfort of professionals

VX Telecom is looking for a Support Engineer to join our Voice Department.
We are open to candidates without prior telecom experience — full training is provided.

Responsibilities:

• Provide support for enterprise PBX solutions
• Escalate incidents to senior engineers when necessary

We offer:

• Remote work with the option to work from the office
• Schedule: 5/2, 10:00–18:00
• Medical insurance after the probation period
• Onboarding, mentoring, and training
• Career growth opportunities in telecom and IT

We are looking for

• Motivation to learn and grow in telecom/tech
• Responsibility and attention to detail
• Experience in telecom/IT will be a plus
• Linux knowledge is required

N-iX is a global software development service company that helps businesses across the globe create next-generation software products. Founded in 2002, we unite 2,400+ tech-savvy professionals across 40+ countries, working on impactful projects for industry leaders and Fortune 500 companies. Our expertise spans cloud, data, AI/ML, embedded software, IoT, and more, driving digital transformation across finance, manufacturing, telecom, healthcare, and other industries. Join N-iX and become part of a team where your ideas make a real impact.

Position Overview:

We are looking for a Senior Full-Stack Engineer to join a cross-functional engineering team building core components of the AI-driven document processing platform. This position requires strong backend engineering experience with Python as well as solid front-end or full-stack proficiency with TypeScript (preferably React, Next.js, or similar frameworks).

You will work on delivering scalable APIs, microservices, data workflows, and UI components that power document automation features, internal tools, and operational dashboards. The role involves close collaboration with product, architecture, GenAI, and platform engineering teams.

This role is ideal for someone who is hands-on, highly technical, and comfortable designing, developing, and deploying production-grade systems in cloud environments (preferably Google Cloud).

Key Responsibilities:

• Design, develop, and maintain backend services using Python (FastAPI, Flask, Django, or similar frameworks).
• Build front-end components and UIs using TypeScript (React, Next.js, or similar frameworks).
• Develop and integrate REST APIs and microservices, ensuring strong performance, reliability, and observability.
• Collaborate closely with GenAI engineers to integrate AI-driven features and document-processing flows.
• Implement data processing pipelines for structured and unstructured data.
• Work with Google Cloud Platform services such as Cloud Run, Cloud Functions, Pub/Sub, and Cloud Storage.
• Contribute to the platform’s architecture, design patterns, and technical decision-making.
• Write automated tests and ensure a high level of code quality, maintainability, and security.
• Partner with product managers, designers, and QA engineers to deliver high-quality solutions on time.

• Document code, service interfaces, workflows, and architectural decisions.

   

Requirements:

• 6+ years of professional software engineering experience, with significant work in both backend and full-stack roles.
• Strong proficiency in Python (FastAPI, Flask, Django, or similar).
• Solid experience with TypeScript and modern front-end frameworks (React, Next.js, or similar).
• Hands-on experience designing and implementing microservices, APIs, and backend systems.
• Strong understanding of databases: relational (PostgreSQL, MySQL) and/or NoSQL (MongoDB, Firestore).
• Experience with Google Cloud Platform or other cloud providers (AWS/Azure).
• Familiarity with CI/CD pipelines, Docker, Git, and modern DevOps practices.
• Strong understanding of software engineering principles: scalability, reliability, performance, and security.
• Experience working in agile, cross-functional teams on complex products.
• Excellent communication skills and ability to work with both technical and non-technical stakeholders.

Nice to Have:

• Experience working with AI/ML or GenAI-driven systems.
• Familiarity with Vertex AI, Gemini, or integration with LLM-powered services.
• Experience with WebSockets, event-driven architectures, or Pub/Sub.
• Knowledge of authentication/authorization standards (OAuth2, JWT, IAM).
• Experience with document processing, OCR, or workflow automation.

We offer*:

• Flexible working format - remote, office-based or flexible
• A competitive salary and good compensation package
• Personalized career growth
• Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
• Active tech communities with regular knowledge sharing
• Education reimbursement
• Memorable anniversary presents
• Corporate events and team buildings
• Other location-specific benefits

*not applicable for freelancers

We are looking for an experienced Media Buyer in the iGaming niche who has worked with large advertising budgets in Facebook Ads and can consistently scale profitable campaigns.
 

Responsibilities:

• Launching, optimizing, and scaling advertising campaigns in Facebook Ads
• Launching, testing, and scaling ad funnels/bundles
• Creating and testing creatives, audiences, and funnels
• Analyzing key performance metrics (ROI, CPA, LTV, CR, CTR, etc.)
• Managing large budgets ($50,000+ per month)
• Implementing new traffic acquisition strategies and approaches
• Monitoring traffic quality and ensuring compliance with platform policies
   

Requirements:

• At least 1 year of experience as a Media Buyer in the iGaming niche
• Hands-on experience managing large budgets in Facebook Ads
• Strong understanding of funnels, tracking, and analytics
• Experience with trackers, analytics tools, spy services, and anti-detect solutions
• Experience working with anti-detect browsers and proxies
• Solid understanding of the CPA model
• Results-driven mindset focused on profitability
• Proven case studies with measurable results (budgets, GEOs, ROI)
   

We Offer:

• Competitive compensation and access to large budgets
• Remote work format
• Professional growth and scaling opportunities
• Access to all necessary tools and analytics
• Transparent KPI system
   

If you'd like, I can also adapt it to a more aggressive affiliate-style tone or a more corporate LinkedIn-friendly version.

About us:
 

ARRISE sets the benchmark for service delivery and excellence in the iGaming industry. Playing a key role in the success of its clients, which include Pragmatic Play, a brand relied upon by the world’s biggest online casinos for its cutting-edge products, ARRISE helps to deliver exceptional gaming experiences to millions of players worldwide.

Our global team of talented and driven professionals are shaping the future of iGaming. Headquartered in Gibraltar, we have offices spanning Canada, India, the Isle of Man, Latvia, Malta, Romania, Serbia, Bulgaria, and the UAE, and more exciting destinations on the horizon.

At ARRISE, we take pride in creating growth opportunities at all levels, constantly investing in our people while welcoming new colleagues and forging strategic partnerships that open new opportunities for success. To achieve this, we bet on ourselves. We know that success is a collective effort, and our team is driven by ambition, collaboration, and a shared commitment to grow and succeed—while embracing every step of the journey.

Be part of the future of iGaming with ARRISERS! See a job that excites you? Apply now, and our friendly recruitment team will connect with you soon. Your journey starts here!

Requirements: 

• Requires 4 or more years of related experience, maintenance, and administration of PostgreSQL databases.   
• Previous SQL Server and/or Oracle database administration experience is a plus.  
• Strong writing and verbal communication skills.   
• Displays excellent collaborative skills with cross-functional teams.  

Responsibilities:  

• The DBA should have knowledge of some industry standard PostgreSQL databases including creation and implementation of fully functional PostgreSQL database clusters (both in the cloud AWS RDS and on-premises), ability to maintain multiple development, QA, and production PostgreSQL environments with experience in performance tuning.  
• Review existing configurations and installations and provide design decisions for improvements to platform environments.  
• Assist in planning and performing PostgreSQL database upgrades and migrations.  
• Perform production level support and be part of the on call rotation when required.  
• This position will be responsible for supporting new and existing PostgreSQL database systems, both internally and future Cloud managed instances and will contribute in defining best practices in database administration, and introduce innovation with automation.  
• Proficient with the Linux operating systems - Ubuntu, RHEL.  
• Assist in implementing long-term strategic goals for database development in conjunction with end users, managers, clients, and other stakeholders.   
• Perform debugging, tuning, and performance enhancement as well as automation of operational and continuous integration aspect of the PostgreSQL platform.  
• Independently analyzes, solves, and corrects issues in real time, providing problem resolution end-to-end.  

Company offers: 

• Long-term employment; 
• Flexible timetable; 
• Comfortable working conditions; 
• Paid vacation and sick leaves; 
• English lessons, gym; 
• Competitive salary level. 

RISK Inc.: An international iGaming company specializing in identifying and fostering the growth of high-potential entertainment markets. With 500+ professionals in 20+ locations, we operate in 10 countries, serving over 300,000 customers.

Always Pushing the Boundaries? You Already Belong at RISK!
 

Our global-scale operations are based on strong internal expertise, analytics, and data research. We have expertise in iGaming operations (sports betting, online casino), digital and affiliate marketing, tech solutions, and data analytics.
 

We are looking for a Senior SEO Specialist to join our team.
 

Job Description:

• Development and implementation of an effective SEO strategy.
• Achieving and maintaining top Google rankings for websites.
• Creating content and link-building plans.
• Analysis of search results and competitors.
• Setting goals and achieving KPIs.
• Tracking and analyzing results, reporting.
• Budgeting according to KPIs, planning, and optimizing expenses.
• Researching and testing SEO hypotheses, as well as exploring new traffic sources.
   

Qualifications:

• At least 1 years of experience in the gambling industry in a related position.
• Experience working in UA; experience in EU is a plus.
• Proven track record of successfully promoting websites in gray niches over the past 3–6 months.
• Deep knowledge of search engine algorithms and ranking factors.
• Ability to make quick decisions and adapt websites to search engine changes.
• Solid understanding of website development principles and technical aspects.
• Experience dealing with filters, manual penalties, and domain blocks.
• Strong knowledge of technical aspects of on-page and off-page SEO optimization.
• Experience creating and setting specifications for content/development/analytics, as well as monitoring task execution.
   

Nice to have:

• Experience with WordPress at the level of site setup and launch.
• Experience coordinating work across different departments.
• Ability to dig deep and find answers.
• Understanding of the price-quality relationship regarding backlinks and domains.
• Experience with alternative or gray-hat SEO promotion methods.

Our Benefit Cafeteria is Packed with Goodies:

• Children Allowance
• Mental Health Support
• Sport Activities
• Language Courses
• Automotive Services
• Veterinary Services
• Home Office Setup Assistance
• Dental Services
• Books and Stationery
• Training Compensation
• And yes, even Massage!

Description

You value simplicity and effectiveness, and you’re excited by the opportunity to make a meaningful impact. You can reason through trade-offs, build for scale,and adapt quickly to evolving priorities.

Requirements:

• 5+ years of backend development experience with a strong command of Java and the Spring ecosystem.
• Proven track record of shipping production-grade systems in cloud environments.
• Experience with distributed systems and messaging frameworks such as Apache Kafka (via AWS MSK).
• Strong understanding of containerization, orchestration (Kubernetes), and deployment workflows.
• Familiarity with observability tools and incident response best practices.
• Excellent communication skills and a collaborative mindset.
   

Duties:

• Design, implement, and maintain backend services that are secure, scalable, and mission-critical.
• Collaborate with cross-functional teams to deliver end-to-end solutions from concept to deployment.
• Work across the stack from backend systems to infrastructure components such as ALB/NLB, and Kubernetes.
• Take ownership of projects, driving architecture, design, and implementation decisions.
• Write clean, maintainable, and well-tested code in Java, and contribute to automation and tooling in Python when necessary.
• Monitor production systems, respond to incidents, and continuously improve system reliability and performance.
• Participate in On-Call rotation to ensure high availability and rapid response to production issues.
• Participate in code reviews, knowledge sharing, and mentoring of junior engineers.

Benefits:

• A competitive salary and flexible compensation package
• Professional development tools (mentorship program, tech talks and trainings)
• Medical insurance
• Free corporate English classes and speaking clubs with a native speaker
• Various corporate events

RISK Inc.: An international iGaming company specializing in identifying and fostering the growth of high-potential entertainment markets. With 500+ professionals in 20+ locations, we operate in 10 countries, serving over 300,000 customers.

Always Pushing the Boundaries? You Already Belong at RISK!
 

Our global-scale operations are based on strong internal expertise, analytics, and data research. We have expertise in iGaming operations (sports betting, online casino), digital and affiliate marketing, tech solutions, and data analytics.

We are looking for a CRM & Retention Manager to join our team.

Job Description:

• Build and optimize automated welcome, activation, retention, and reactivation flows to drive player engagement and LTV;
• Create personalized CRM campaigns for different player segments: newcomers, active, and dormant users;
• Engage players across email, SMS, push notifications, in-app messages, notification center, and sliders;
• Segment players based on gaming behavior, preferences, deposits, turnover, and average bet to deliver targeted offers;
• Monitor and analyze CRM performance metrics (OR, CTR, Bonus Rate, Activation, Retention, DAU / WAU / MAU) and prepare actionable reports;
• Continuously optimize communication chains and promotions based on data insights;
• Initiate, launch, and analyze CRM promotions aimed at increasing player activity and retention;
• Collaborate closely with Product, Design, and Copywriting teams to ensure effective CRM communications.
   

Qualifications:

• Hands-on experience with CRM platforms (Customer.io, Smartico, or similar)
• Ability to build and optimize lifecycle communication flows: onboarding, retention, churn prevention, reactivation
• Strong understanding of player segmentation (FTD, 2DEP, 3DEP, Pre-VIP, LTV-based)
• Practical experience with email, push, and SMS channels, including triggers and frequency control
• Solid understanding of bonus mechanics (cashback, reloads, missions, tournaments)
• Ability to analyze key CRM metrics (Retention, Churn, ARPU / ATPU)
• Strong Excel / Google Sheets skills (formulas, pivots, cohort analysis)
• Good understanding of casino and sportsbook products
• Data-driven mindset with ownership for results and the ability to turn insights into actions
   

Our Benefit Cafeteria is Packed with Goodies:

• Children Allowance
• Mental Health Support
• Sport Activities
• Language Courses
• Automotive Services
• Veterinary Services
• Home Office Setup Assistance
• Dental Services
• Books and Stationery
• Training Compensation
• And yes, even Massage!

UITOP, a design & development team, is seeking a Project Manager (Junior/Strong Junior). We help B2B SaaS products feel simple, modern, and easy to use.

In this role, you’ll be the bridge between international clients and our creative team, driving processes that turn complex ideas into real value.

Responsibilities

• Coordinate communication between the team and stakeholders, organize communication with customers and collaborate closely with the design and development teams.
• Lead regular client calls and written updates.
• Manage project scope and planning, translating the product owner’s vision into actionable tasks for the team.
• Oversee the scope, team activities, set priorities, and ensure deadlines are met without compromising quality.

• Prepare reports and maintain project documentation.

   

Requirements

• 6+ months of experience in project coordination or a Junior PM role.
• Strong organizational and communication skills, you know how to manage resources, tasks, schedules and set priorities effectively.
• Solid understanding of PM processes and the Software Development Life Cycle (SDLC).
• Upper-Intermediate English (B2) for fluent communication with clients.
• Familiarity with Agile and Scrum frameworks (sprint planning, sprint review, dailies, sprint retrospective, backlog grooming).
• Writing Documentations (WBS, SRS, Mind maps).
• Basic understanding of ERP/CRM systems and people management (feedback and performance).

• Knowledge in process management, including identifying inefficiencies, streamlining workflows, and implementing best practices to ensure project success and efficiency.

   

Bonus points

• Experience using Figma or similar tools for creating client presentations.

   

Benefits

• Competitive salary with regular performance and salary reviews.
• Working with complex large-scale SaaS projects, from 6 months.
• 18 working days of vacation and 10 sick days.
• You’ll have a mentor by your side from day one, providing the feedback and supporting you.
• A company laptop to upgrade your workstation after 6 months of partnership.
• Compensation for your workspace and essential tech: from a comfy armchair and headphones to monitor or power bank.
• 50% coverage of English and professional courses.
• 100% coworking compensation during blackouts.

• Flexible work schedule and remote-first setup.

   

We’re excited to meet someone who shares our vibe. We are looking for a highly motivated and talented individual to join our team. If this sounds like your next big challenge, let’s chat!

A direct contract with the product company (PropTech, US).

Work schedule: remote CET business hours.

We’re offering a long-term opportunity for a highly Senior/Lead React-Native expert to join the platform engineering team. You’ll shape architecture, build native bridges, own Fastlane pipelines, and drive.

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/Lead 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.

Requirements:

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

Experience with Fastlane build pipelines

Ability to write Native to React Native Bridges (iOS and/or Android)

Experience with CodePush and/or Expo Updates.

Other essential skills:

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+

Recruitment process: intro (HR) -> technical -> final with PM

🔥 About Us

We specialized in custom UX/UI Design and Custom Development, with great experience working on various projects for more than 3 years. We believe that strong communication, deep and detailed discussion, and upfront planning is the key way to a successful collaboration. Our organization is fully remote, with team members collaborating from around the world.

🔭 What We’re Looking For
We need a UI/UX specialist (“magician,” if you will) to envision, design, and help with design task (Landing page, Web & Mobile applications).

⚜️ Qualifications
- 2+ years of UI/UX design experience
- Proven success in delivering UX/UI projects
- Previous experience in focused human-centered design

💗 What We Value
- Everyone makes decisions that drive innovation.
- We prioritize a culture of respect and teamwork, where top talent collaborates without ego.
- Information is shared openly and deliberately to keep everyone aligned.
- We minimize rules so our team can focus on meaningful work.
- A broad range of perspectives is essential to our growth and success.

💠 Core Principles
- We go where others hesitate, innovating solutions to complex challenges.
- We take ownership of tasks, working diligently with the bigger picture in mind.
- We find smart ways to overcome obstacles, even under pressure.
- We adapt and keep pushing forward in all situations.

📢 The offer
- Working time: Monday-Friday, 9 am — 6 pm (Kyiv time)
- Paid vacation: 18 work days (don't count Sat-Sun)
- 10 days of paid sick leave
- 300$ per year for your personal development
- Freedom to experiment with new technologies
- Amazing colleagues and pleasant atmosphere

💬 Ready to shape the future of UX/UI and development with us? Apply now and let’s build something remarkable together.
 

Key Responsibilities:

• Identify and attract new partners (affiliate networks and direct advertisers).
• Negotiate and onboard partners into our network: contracting, terms alignment, and signing.
• Manage partner relationships: onboarding, support, performance analysis, and regular reporting.
• Deal analytics in Google Spreadsheets/Excel; optimization based on KPIs.
• Handle documentation: contract preparation and related administrative tasks.
• Attend iGaming conferences and stay active in industry communities.
   

Requirements:

• 1+ year of experience in Business Development, Affiliate, or Sales within iGaming.
• Understanding of business models: RevShare, CPA, flat, hybrid.
• Strong analytical skills and experience working with large datasets.
• Proficiency in Google Sheets/Excel for analytics and reporting.
• English — Intermediate+ level.
• Soft skills: communicative, proactive, adaptable, and self-driven.
   

We Offer:

• Remote work format.
• Competitive compensation.
• Support for professional growth.
• Participation in corporate events.
• Flexible schedule, autonomy, and quick decision-making with no bureaucracy.