Jobs at Djinni

📍 Czech Republic / Hybrid (EU) (Once per month you need to be in Prague)

💼 Full-time / B2B

We are looking for a Kotlin Developer to join a growing team working on modern, high-performance applications. In this role, you will focus primarily on backend development, building scalable and reliable services using Kotlin and Spring Boot.

You will collaborate closely with product and design teams to deliver high-quality solutions and continuously improve system performance and architecture.

🔧 Responsibilities

• Develop and maintain backend applications using Kotlin
• Design and implement RESTful APIs
• Collaborate with cross-functional teams (product, design, engineering)
• Write clean, maintainable, and efficient code
• Ensure performance, scalability, and reliability of applications
• Identify bottlenecks and fix bugs
• Maintain code quality, structure, and automation processes
• Follow best practices and stay up-to-date with modern technologies

⚙️ Requirements

• Commercial experience as a Kotlin Developer or similar role
• Strong knowledge of Kotlin + Spring Boot
• Experience working with REST APIs and integrations
• Good understanding of Git and version control
• Experience with CI/CD pipelines
• Strong problem-solving skills and attention to detail
• Ability to work independently and manage your time
• Good communication skills and teamwork mindset

➕Nice to have

• Experience with cloud platforms
• Experience in microservices architecture
• Experience in e-commerce or high-load systems

We’re building Integri-X — an AI-powered SaaS platform that helps asset-intensive companies:

• Maximize asset lifespan
• Reduce downtime and maintenance costs
• Digitize inspections and defect management
• Improve collaboration between internal teams and contractors

Used across industries:

• Oil & Gas
• Mining
• Construction
• Energy & Utilities

We’re looking for a Lead Generation Specialist who can build pipeline from scratch, run outreach campaigns, and convert leads into qualified calls. 

What You Will Do

• Own the sales process: prospecting, qualification, outreach (into calls and demo could be an option in the future).
• Build scalable outbound systems using: LinkedIn automation, Email automation.
• Maintain and track the pipeline in HubSpot CRM.
• Prepare sales materials, follow-ups, and commercial offers.
• Build and maintain a predictable pipeline.

• Use AI tools (nice to have) to scale personalization and research.

   

What We Expect

• Experience with SaaS or product sales 1+ year.
• Hands-on with LinkedIn automation tools, Email automation platforms, HubSpot (or similar CRM).
• English level Intermediate+.
• Nice to have experience using AI tools in sales / outreach.

• Proactive mindset, ability to work independently and prioritize responsibilities.

    

What We Offer

• A chance to join an AI-driven startup at the early stage of growth.
• Remote-first culture and flexible collaboration.
• Direct work with the CEO and product leadership.
• An opportunity to travel to international conferences and industry events.
• An opportunity to influence sales strategy from the ground up.
• Clear growth path (potential to grow into Lead / Head of Sales role).

We are looking for a VFX Artist to create visual effects for online slot games (particles, explosions, glows, trails, screen flashes, win effects, transitions, etc.) - all built and delivered natively in Spine 2D. You'll work alongside our 2D Spine Animator, handling everything on the effects side so the animator can stay focused on characters and symbols.

Before you apply: this role is specifically for Spine 2D VFX. If your effects pipeline lives in Unity, After Effects, or any other tool, and you haven't exported production-ready VFX directly in Spine - this isn't the right fit. We need someone who understands how Spine handles meshes, sequences, and particle-style animation.

RESPONSIBILITIES:

• Create particle effects, explosions, glows, light bursts, coin showers, and other game VFX (all animated natively in Spine 2D)

• Build reusable effect skeletons and animations that integrate seamlessly into the animator's Spine workflow

• Work closely with our 2D Spine Animator to match the visual style and timing of each game

• Prepare clean, handoff-ready Spine files for developers

• Draw and prepare sprites, sequences, and texture atlases in Photoshop

REQUIREMENTS:

• Create VFX directly inside Spine, not just import pre-rendered sequences

• Experience animating effects for slot games or iGaming (particles, win celebrations, ambient FX, transitions)

• Understanding of how mesh deformation, weighted vertices, and image sequences work in Spine

• Proficiency in Photoshop for drawing sprites, effect frames, and preparing texture atlases and sprite sheets

• A portfolio showing Spine-native VFX (video or GIF examples of your effects in motion)

We are looking for a Marketing Talent Acquisition Lead to build and lead recruitment efforts focused on hiring top marketing talent. This role will be responsible for developing recruitment strategies, leading a dedicated hiring team, and ensuring the successful attraction and hiring of high-performing marketing professionals.

Explore opportunities at JustMarkets and become a part of our team of professionals!

Responsibilities

• Lead and develop a recruitment team focused on hiring for marketing roles across multiple functions
• Own and improve the end-to-end hiring process for marketing positions (pipeline strategy, sourcing effectiveness, hiring quality)
• Partner closely with Marketing leadership to understand hiring needs and workforce planning
• Ensure high quality of hire aligned with business and marketing performance goals
• Mentor, coach, and support recruiters specializing in marketing talent acquisition
• Build scalable sourcing strategies for key marketing roles (Performance Marketing, Growth, Brand, Content, CRM, Analytics, etc.)
• Track recruitment metrics and optimize hiring funnels based on data insights
• Continuously improve recruitment processes, tools, and employer branding initiatives targeting marketing professionals
• Build and maintain strong relationships with candidates, hiring managers, and external partners within the Marketing and Fintech industries

Requirements

• 5+ years of full-cycle recruitment experience, including hiring for marketing roles
• 2+ years of experience managing or leading a recruitment team in a fast-paced environment
• Strong expertise in sourcing and hiring marketing specialists (Digital Marketing, Performance Marketing, Growth Marketing, Marketing Analytics, Content, etc.)
• Hands-on approach with strong ownership mindset
• Strong project management, organizational, and prioritization skills
• Client-oriented mindset with strong stakeholder management skills
• Data-driven approach to recruitment decisions
• Self-starter with high motivation and adaptability
• Ability to work in ambiguity and manage changing priorities
• Strong analytical and problem-solving skills with focus on continuous improvement
• English — Upper-Intermediate or higher

We offer

• Compensation for tax expenses of private entrepreneurs in Ukraine
• Qualified assistance and support for Ukrainian private entrepreneurs
• 20 paid vacation days per year
• 10 paid sick leave days per year
• Public holidays according to current Ukrainian legislation
• Medical insurance for employees
• Compensation for professional education and learning English
• Compensation for a sports subscription or sports equipment

Job Description

- Basic understanding of software testing principles, types, techniques, and the software development lifecycle.
- Familiarity with Windows operating systems.
- Knowledge of relational databases (preferably SQL Server); ability to write and execute simple SQL queries (SELECT, UPDATE, DELETE).
- Attention to detail and strong analytical skills.
- Ability to document test cases and results clearly.
- Basic knowledge of virtualization tools such as VMware and Oracle VirtualBox.
- English at a level sufficient to read technical documentation.
- Willingness to learn and grow in the QA field.

Job Responsibilities

- Training and performing software testing tasks for a project.
- Executing test cases, documenting results, and reporting issues.
- Setting up and working with virtual machines in VMware and Oracle VirtualBox for testing purposes.
- Collaborating with developers and other QA team members to ensure software quality.
- Learning and applying best practices in quality assurance.

Department/Project Description

Our client is a big medical equipment manufacturer located in the United States. We have completed a lot of projects for them during the last 20 years and continue our strong relationship. We are creating a desktop application that allows to connect to customer equipment in the field via USB or Bluetooth and allows customers to perform common device maintenance tasks.

We’re rapidly growing and are excited to invite Payment Specialists to join our Paycord team. If you’re ready for new challenges in a dynamic and fast-paced environment, this could be the perfect role for you.

You would be running such tasks as:

• Oversee and manage liquidity across our payment and safekeeping infrastructure.
• Ensure smooth transaction flows and maintain incident records.
• Maintain constant synchronization with the Operations team, providing necessary Treasury inputs.
• Provide ad-hoc data gathering and assist in Cash Flow management when required.

Required skills and expertise:

• Strong ownership, attention to detail, and organizational skills.
• Hardworking with a readiness to assist when needed.
• Ability to learn quickly and adapt to changing environments.
• Excellent written and verbal communication skills.
• Proficiency in Excel.
• Willingness to work rotating shifts: 6.00-14.00, 14.00-22.00, 22.00-6.00.
• Willingness to work in the office (Warsaw)

Nice to have:

• Previous experience working with payment systems.
• Familiarity with handling large volumes of data.

We offer:

Care for your health and well-being

• 100% paid sick leaves.
• 20 working days of paid vacation.
• Comprehensive medical support.
• Benefits Cafeteria (budget for gym, dental services, psychological support, etc.).
• Corporate gifts and events.

Professional Growth & Development

• Competitive salary with annual salary promotions.
• Annual budget for professional courses, conferences, workshops, and books.
• Access to internal training courses.
• Collaborate with a team of professionals and opportunities to share knowledge.

Corporate Culture:

• Dynamic, result-oriented work environment.
• Ability to influence product development at an early stage.
• Openness to new ideas and approaches, fostering healthy team discussions.
• No “red tape” culture, encouraging innovation and creativity.

Candidate journey:
HR Interview -> Final Interview -> Job Offer

Project Description:

Learning Management and Development enables each member of the company to access various training services, such as trainer-led courses, upskilling programs for Direct and Line Managers, webinars, foreign language lessons, training paths & sets, internship programs, self-learning libraries, external providers (conferences and certifications), and other training services.

Responsibilities:

• Organization/help any events concerned with training in location;
• Ability for accurate work in internal management systems and tools;
• Training modules preparations (infrastructure, materials, invitations, certificates, problem solving etc.);
• Introduction trainings (consulting, organization, closing in the system).
• Process the Training plan (assure the accuracy of the forecast);
• Cooperation with internal and external training providers;

Mandatory Skills Description:

Higher education;
• Good communication skills;
• Experience with databases;
• Advanced PC user (MS Office, Outlook, Internet Explorer);
• Great sense of responsibility with ability to work under pressure independently as well as in teams;
• Strong attention to details and organization;
• Self-starter and proactive approach to resolving

Nice-to-Have Skills Description:

Organization experience (internal events, daily activities related with trainings)

Languages:

English: B2 Upper Intermediate

Learning Management and Development enables each member of the company to access various training services, such as trainer-led courses, upskilling programs for Direct and Line Managers, webinars, foreign language lessons, training paths & sets, internship programs, self-learning libraries, external providers (conferences and certifications), and other training services.

• Responsibilities:

  • Organization/help any events concerned with training in location;
  • Ability for accurate work in internal management systems and tools;
  • Training modules preparations (infrastructure, materials, invitations, certificates, problem solving etc.);
  • Introduction trainings (consulting, organization, closing in the system).
  • Process the Training plan (assure the accuracy of the forecast);
  • Cooperation with internal and external training providers;

• Mandatory Skills Description:

  Higher education;
  • Good communication skills;
  • Experience with databases;
  • Advanced PC user (MS Office, Outlook, Internet Explorer);
  • Great sense of responsibility with ability to work under pressure independently as well as in teams;
  • Strong attention to details and organization;
  • Self-starter and proactive approach to resolving

• Nice-to-Have Skills Description:

  Organization experience (internal events, daily activities related with trainings)

UAPP team needs a Backend Developer 

Requirements:

• experience with Java or other backend languages;
• strong understanding of OOP principles and SOLID;
• experience with Spring Boot or similar backend frameworks (e.g. NestJS, Django, etc.);
• knowledge of SQL, NoSQL and ORM tools (JPA / Hibernate or equivalents);
• experience in developing REST APIs;
• basic knowledge of algorithms and data structures;
• strong ability to learn new technologies and adapt to a new tech stack.

We offer:

• career and professional growth;
• decent salary;
• interesting projects in a professional team;
• trainings, seminars, meetings and conferences at company expense;
• pleasant and friendly working atmosphere.

UAPP is an IT company, established in 2018. We provide a full range of software development services, websites and mobile applications. Consulting, design, development, implementation, support and marketing — we do everything to achieve our clients’ business goals.

Our company's key to success is a team of professionals and like-minded people with solid practical experience in the field of project implementation for businesses and their own projects.

We offer services that are designed to take a client’s business to a new level and do everything to provide quality, innovation and creativity using the latest technology solutions.

We are looking for a Senior Golang Developer

Key Responsibilities:
- Design, build, and maintain backend services using Go
- Develop and optimize database schemas, queries, and migrations in PostgreSQL
- Implement and manage event-driven architectures using Kafka
- Contribute to microservices architecture and API design
- Collaborate daily with cross-functional team members in an agile environment
- Ensure high performance, scalability, and reliability of backend systems
- Participate in code reviews and contribute to engineering best practices.

Requirements:
- Strong production experience with Go (not limited to side projects)
- Solid expertise in PostgreSQL, including schema design, query optimization, and migrations
- Hands-on experience with Kafka and event-driven systems (reliable message production/consumption)
- Good understanding of microservices architecture and API design principles
- Experience working in collaborative, product-oriented engineering teams
- Strong communication skills and ability to work in a distributed environment

Nice to Have:
- Experience in fintech or other regulated industries
- Familiarity with CI/CD pipelines and infrastructure-as-code
- Previous experience working in cross-functional product teams (beyond backend-only environments)

-Full-time, long-term
-Level - Senior
-English - B2+

#WeAreIn for jobs that impact everyone's life. What if your ideas could change the way the world connects, powers up, or thinks? As a Senior AI/ML Engineer on our Research & Development team, you'll have the opportunity to merge creativity with your technical expertise by shaping the future of technology, driving groundbreaking projects, and bringing new ideas to life. Are you in?

Key responsibilities in your new role

Work on innovative IoT, Industrial, and Automotive technologies in a fast-moving R&D team, turning ideas into real products and patents. 

• Design and develop efficient Neural Network (NN) models with sophisticated architectures for embedded domain, strongly involving application-specific knowledge
• Plan and execute practical experiments to collect/create high-quality datasets
• Combine NN and classic signal processing approaches to make the highly efficient pipelines of problem solving
• Implement the developed solutions under real-world end-user scenarios and requirements and verify its functionality at the Infineon hardware (PSOC, wireless SOCs)
• Help with ML/AI related design and implementation in different team projects

Your Profile

Qualifications and skills to help you succeed

• A master’s degree in electrical engineering or computer science (or equivalent) and 2-3 years of related research/engineering experience
• Strong background in mathematical modeling and numerical analysis
• Knowledge of modern NN architectures, Machine Learning tools and trends
• Proficiency in Python and at least one ML framework (PyTorch or TensorFlow)
• Experience with at least one of the following: signal / speech /image / video processing / wireless communication is a plus
• Understanding of embedded systems and Knowledge of Nvidia Deep Learning framework, and familiarity with patents, papers, publications on relevant technical subject matter is a plus
• Intermediate English writing, communication, and presentation skills

Please send us your CV in English.

NuxGame collaborates with iGaming operators of all sizes, helping businesses enter new markets and strengthen their existing brands. As a provider of casino gaming software, the company delivers solutions that empower clients to build strong products and achieve their business objectives. We are currently looking for a QA Engineer to join our team.

What we expect from you:

• At least 2 years of relevant work experience
• Solid understanding of QA processes (goals, types of testing, test design, etc.)
• Hands-on experience in creating test documentation (test cases, checklists, bug reports)
• Clear understanding of requirements and their structure
• Experience in testing web applications (both desktop and mobile)
• Basic knowledge of HTML, CSS, and SQL
• Understanding of HTTP protocol, web applications, and client-server architecture
• Basic knowledge of test automation (unit and end-to-end testing)
• General understanding of programming fundamentals
• Experience with Selenium

Your responsibilities will include:

• Identifying and tracking issues in the products under development
• Analyzing detected defects
• Creating and maintaining test suites, preparing test data, and defining testing approaches
• Supporting and coordinating the bug-fixing process in collaboration with developers
• Keeping testing documentation up to date
• Organizing and executing different testing levels (from unit to acceptance testing)
• Understanding the programming languages used in development (JavaScript, Java, Python, PHP, C#, C++, etc.)
• Working with bug tracking systems
• Using automated testing tools

What we offer:

• Fully remote work format
• Working schedule: 09:00/10:00 – 17:00/18:00 (Monday to Friday)
• Participation in engaging and successful projects
• Competitive salary with timely payments, official employment, and 24 days of paid vacation
• Opportunities for professional development and corporate training
• Supportive team environment with a positive, stress-free culture

We value transparency, flexibility, and the growth of every team member, fostering an open and collaborative work environment.

We’d be happy to welcome you to our team!

QIT Software is looking for a Senior PHP Developer to join our team. You'll own the maintenance, modernization, and evolution of a core billing platform built on a large-scale PHP monolith. This is a high-traffic, business-critical system running on Kubernetes infrastructure. You'll troubleshoot production issues, drive performance and scalability improvements, and contribute across the full development lifecycle -- from design through deployment.

Details:
- Schedule: Full-time, remote
- Client: USA
- Duration: long-term
- Tech stack: PHP, MySQL, AWS, Docker, etc.
Requirements

- 5+ years of strong professional PHP experience
- Solid foundation in OOP patterns, Clean Code, and SOLID principles
- Experience maintaining and improving complex legacy systems
- Strong MySQL skills -- writing efficient, high-performance queries
- Hands-on Docker and AWS experience
- Experience with AI-assisted development tools (Cursor, Claude Code, or similar)
- Business-level English (written and spoken)
- Strong debugging, analytical, and problem-solving skills

Responsibilities

- Maintain, modernize, and evolve the billing platform and its components
- Diagnose and resolve high-impact production issues in a high-traffic environment
- Drive improvements in performance, scalability, and reliability
- Produce clear technical documentation for existing and new systems
- Promote knowledge sharing and best practices across the team

Would be a plus

- Kubernetes and Helm experience
- Queue-based or asynchronous systems
- Non-relational databases
- CI/CD pipelines
- Observability tools (Datadog, Grafana)

Work conditions

- The ability to work remotely from anywhere in the world;
- Flexible work schedule, no micromanagement, no strict deadlines and free overtime work;
- Work in European and American products with a modern technology stack in different industries (Finance, Technology, Health, Construction, Media, etc.);
- Revision of wages every year or on an individual basis;
- Accounting support and full payment of taxes by the company;
- 100% compensation for remote English lessons;
- 15 paid leaves (PTO) and public holidays.

POSITION DESCRIPTION: 

We are looking for a Business Analyst who will interact with stakeholders, development and quality assurance teams to elicit and analyze requirements, document them and create functional specifications. The candidate will contribute to every stage of the product lifecycle from research and discovery to iterative development and roll-out.
 

LOCATION: Ukraine (remote)
 

MINIMUM EXPERIENCE: 

6+ years of commercial experience in Business Analysis.
 

REQUIREMENTS: 

• Proven experience of working with external clients or handling outsourcing projects
• Solid expertise in the discovery stage of the project
• Experience and understanding of BA work on the pre-sale stage
• Basic understanding of product management/product ownership
• Understanding of business processes, optimization and automation
• Proven experience in gathering and eliciting requirements and successfully completing analytical assignments
• Knowledge of modelling notations: UML, BPMN, Data Flow
• Knowledge of API documentation and basic principles of relational databases such as MySQL
• Ability to influence stakeholders and closely collaborate with them to determine acceptable solutions
• Ability to translate business needs into software and operational requirements
• Readiness to work in dynamic environment with frequent project change
• Upper-Intermediate level of English
   

DUTIES: 

• Planning, conducting, facilitating discovery and pre-sale project workshops
• Elaborating business, functional and non-functional requirements
• Preparing and presenting discovery artifacts
• Gathering critical information from meetings with stakeholders
• Defining, translating, simplifying, and prioritizing requirements
• Creating business cases and user stories
• Creating conceptual prototypes and mock-ups
• Ensuring that designed solutions meet business needs and requirements
• Performing acceptance testing
• Creating detailed reports and giving presentations
   

NICE TO HAVE:

• Knowledge of artificial intelligence mechanics and how to work with prompts
• Experience with Power BI
• Experience in building JSON and XML documents and using them in functional specifications
• Exposure to engineering software (CAD/CAM, PDM/PLM, etc.)
   

COMPENSATION & BENEFITS:

• Competitive salary 
• Professional and friendly team 
• Flexible work schedule 
• Fully remote work mode
• Health insurance
• Paid vacation, sick leave, and other benefits 

We are looking for a talented Blockchain Engineer to design, develop, and maintain internal platforms, with a primary focus on backend development using Node.js.

In this role, you will also contribute to front-end features and blockchain-integrated systems. You will be responsible for building scalable services, integrating Web3 technologies, and supporting workflows for decentralized applications.

Responsibilities:

• Design and develop backend services using Node.js
• Integrate blockchain/Web3 technologies into existing systems
• Build and maintain scalable APIs and microservices
• Collaborate on front-end features when needed

• Ensure performance, security, and reliability of applications

   

Requirements:

• 5+ years of experience in software development
• Strong experience with Node.js
• Experience with blockchain technologies (Ethereum, smart contracts, Web3.js, etc.)
• Understanding of decentralized applications (dApps)
• Experience with REST APIs and microservices architecture

• Basic front-end knowledge (React or similar)

   

Nice to have:

• Experience with Solidity
• Experience with DeFi / NFT projects

• Familiarity with cloud platforms (AWS, GCP)

   

We offer:

• Remote-friendly environment
• Competitive compensation
• Work on innovative Web3 products