Jobs at Djinni

24PLAY is a product company from Ukraine that has been developing and publishing mobile games since 2019.

We are a team of professionals who have launched dozens of popular games and gained over 100 million satisfied players worldwide. Our games include Zombiepunk, Blitzkrieg Assault, Street Dude, and more.

We are currently looking for a 3D Artist for Creatives (Playable Ads) to share our core company values:

• Creativity: We actively encourage and embrace each other’s ideas, transforming them into reality through collaboration and innovative thinking.
• Integrity: We commit to providing honest feedback and realistically assessing situations, fostering a culture of trust and transparency.
• Productivity: We strive to optimize our workflows to achieve the best possible results in the shortest timeframe, ensuring efficiency and effectiveness in our operations.
• Uncompromising Quality: Our commitment to excellence drives us to prioritize the quality of our work above all else, ensuring that we consistently deliver outstanding results.
• Healthy Lifestyle: We advocate for a healthy lifestyle and stand against harmful habits, promoting well-being and balance within our team.

We are looking for a professional for the role that requires:

• Full-time job;
• Office-based in Kyiv.

Key responsibilities:

• Create and optimize 2D/3D assets for playable ads.
• Build scenes with lighting, shadows, and materials.
• Add and adjust VFX (particles, effects) for web platforms.
• Export assets from Unity or make them from scratch.
• Work with devs, artists, and marketing to deliver ready creatives.

Our ideal candidate:

• 1+ year in games or playable ads.
• Portfolio with playable ad examples.
• Strong skills in asset creation and optimization.
• Confident in Blender: topology, UVs, geometry.
• Able to set up lighting and materials.
• Experience with VFX systems.
• Basics of art: composition, color, perspective, stylization.
• English: Intermediate+.

Nice to have:

• Experience in Unity.
• Skills in VFX for web.
• Simple animations in engines.
• Knowledge of Three.js.
• Understanding of game marketing.

Why join our team?

• Fully Legal: Official employment in full compliance with Ukrainian labor legislation, including paid vacation (24 days) and sick leave (unlimited).
• Professional Team: A high-performing group of skilled individuals committed to excellence.
• No Overtime: We prioritize a healthy work-life balance, with no overtime required.
• Stable Payments: No payment delays since the foundation of the company.
• Bonus System: A unique reward system designed to motivate employees by aligning their performance with the company’s financial goals.
• Professional Development: Access to mentorship programs and our internal library for continuous growth.
• Events: Enjoy board games, masterclasses, corporate events, sports activities, and free English classes.
• Comfortable Workspace: A modern office in Kyiv featuring a spacious lounge, fully-equipped kitchen, sports zone, cinema, and complimentary spa facilities for employees.
• 35-Hour Work Week: Reduced working hours as a benefit for loyal employees.

We look forward to receiving your application!

Junior Customer Support Representative (Entry-Level)

We are looking for a motivated and detail-oriented Junior Customer Support Representative to join our team. This is an excellent opportunity for final-year students or individuals at the beginning of their career path. Previous experience in customer support is a plus, but not required — we provide training and support to help you succeed.

In this role, you will assist English-speaking clients by responding to their inquiries, resolving issues, and ensuring a positive customer experience.

Responsibilities:

• Communicate with customers in a professional and timely manner, identifying their needs and providing helpful responses
• Assist in resolving product or service-related issues by following clear processes and using internal tools
• Work with client data to provide accurate answers and helpful suggestions
• Handle client concerns with empathy and professionalism
• Collaborate with teammates to achieve common goals and ensure smooth service delivery
• Maintain high quality and accuracy in handling customer requests and updates

Nice to have:

• Any previous experience in customer service or support roles
• Interest in fintech products or services

Requirements:

• B2 level proficiency in written and spoken English
• Basic computer literacy and ability to learn digital tools quickly
• Strong communication and problem-solving skills
• Attention to detail and good time management
• Reliable internet connection suitable for remote work

We offer:

• Compensation for private entrepreneur tax expenses in Ukraine
• Support with setting up and maintaining private entrepreneur status
• 10 paid sick leave days per year
• 160 paid vacation hours per year
• Medical insurance after the probation period
• Reimbursement for professional courses and language learning
• Compensation for gym membership or sports equipment

About the Role

We're growing fast and looking for a Manual QA Engineer to help ensure the quality and stability of our frontend project. You will work closely in a team with developers, project/product managers, and other QA specialists to identify and report issues, validate new features, and verify overall product behavior. This role is focused on performing manual testing to help ensure that all frontend features work as expected and meet our quality standards before release.

Who We Are

Our RnD department is at the heart of innovation and consists of ten teams that develop internal tools, marketing systems, CMS, CRM, and payment solutions that power our company’s success. With a strong focus on modern technologies, automation, and performance, we create high-load and scalable solutions that drive business growth.

Why Join Us?

• You’ll work on a major frontend project, helping ensure its stability, usability, and overall quality.
• You’ll be part of a team where QA processes and tools are well-structured and actively maintained by a dedicated QA Team Lead.
• You’ll collaborate closely with PMs, frontend/backend developers, and designers in a supportive and technically strong RnD environment.
• If you’re looking to grow as a QA professional, contribute to a live product, and be part of a team that values quality—this is the perfect opportunity for you!

Requirements

Must-Have:

• 3+ years of experience in manual Web application testing.
• Proven experience in UI/frontend testing using DevTools.
• Understanding of Web and client-server interaction principles.
• Experience working with Figma for UI/UX validation.
• Basic skills in working with GraphQL/Rest API (sending queries, analyzing responses).
• Familiarity with HTML and CSS.
• Knowledge and practical application of test design techniques. 
• Proficiency in test management systems (e.g., TestRail, Qase, Zephyr), Jira, Confluence, and Postman.
• Experience in writing test checklists, test cases and bug reports.
• Solid understanding of software development methodologies (Agile, SDLC, bug lifecycle).
  Nice-to-Have:
• Basic knowledge of automated testing concepts.
• Basic knowledge of JavaScript or TypeScript.

• Familiarity with performance testing tools.

  Responsibilities:

• Conduct manual testing of web applications across desktop and mobile platforms to ensure consistent user experience and functionality.
• Design, maintain, and execute comprehensive manual test cases for new and existing product features.
• Develop positive, negative, and boundary test scenarios to validate application behavior under various conditions.
• Participate in various testing phases including smoke, functional, regression, and acceptance testing.
• Analyze and test GraphQL queries and APIs, using Postman, and Swagger
• Create detailed and well-documented bug reports, working closely with developers to ensure timely resolution.
• Maintain and regularly update test documentation, including test cases, checklists, and test run results.
• Collaborate with cross-functional teams to understand product requirements and ensure quality standards are met.

• Contribute to the continuous improvement of testing processes and overall QA best practices.

  Benefits:

• 18 business days of paid vacation + public holidays compensation.
• Insurance Fund of the company.

• Partial coverage of all professional studies.

  **Coverage of sick leaves, sports activities, and English language courses.

We’re a fast-growing outsourcing IT company that’s been around for 13 years, and we’re on the lookout for a Scrum Master for a long-term product-driven project.

You’ll be joining a multi-team Smart City software ecosystem built for the Middle East market. It’s a fully agile product-driven setup, with real users and real impact.

You’ll work mostly on the team level with 2–3 cross-functional Scrum teams, helping them stay focused, deliver value, and continuously improve. If you enjoy empowering teams and love seeing progress happen – let’s talk! 

Requirements:

• 3+ years of proven experience as a Project Manager or Scrum Master in a software development environment, including at least 2 years specifically as a Scrum Master in product teams.
• Hands-on facilitation, mentoring, and coaching skills.
• Solid knowledge of Agile approaches and frameworks (Scrum, Kanban) and the ability to apply them pragmatically.
• Experience working with multiple teams simultaneously.
• Experience with team and process metrics (including delivery metrics).
• Understanding of software development lifecycle and delivery principles.
• Understanding of modern engineering culture and practices (e.g., CI/CD, test automation, DevOps culture, feature flags, pair programming, etc) and ability to support their adoption within teams.
• Practical experience in change management.
• Strong systems thinking, empathy, active listening, and critical thinking.
• Ability to explain complex concepts simply and clearly.
• Proficiency with project management software and tools.

• Problem-solving skills and the ability to adapt to changing circumstances.

   

Nice to have:

• Agile certifications (PSM, KMP, etc.)
• Understanding of change management in complex environments.
• Experience with scaling frameworks (LeSS, Nexus, etc.)

• Experience working in a project-based environment

   

Responsibilities:

• Analyze current team processes and build a roadmap for improvement.
• Define and track team/process/delivery metrics and visualize progress.
• Coach and mentor teams to foster growth, autonomy, and self-management.
• Collaborate with the Product Owner to improve backlog refinement and goal-setting processes.
• Identify risks and remove impediments, including dependencies and bottlenecks.
• Support cross-team collaboration and communication with stakeholders.
• Facilitate team events: Daily Standups, Sprint Planning, Reviews, Retrospectives – while empowering teams to lead these sessions themselves.
• Promote a healthy team dynamic, facilitate conflict resolution, and monitor team health via observation and 1:1s.
• Mentor teams on Agile practices, Definition of Done, and effective tooling.
• Encourage and support the adoption of strong engineering practices like continuous delivery, use of feature flags, test automation, clean code, frequent refactoring, and fast feedback loops to help teams deliver high-quality, reliable software.
• Lead internal workshops/trainings on Agile techniques and tools.
• Ensure transparency through effective visualization (e.g., product goals, sprint targets, metrics).
• Work with PO and stakeholders on roadmap communication and sprint-to-product goal alignment.
• Continuously improve the Product Backlog Refinement process:
• Teach effective PBI creation and splitting techniques
• Support technical task prioritization
• Ensure backlog clarity, order, and visibility

What We Offer:

• Competitive salary
• Loyal, open-minded management and the ability to influence decision-making
• A collaborative and innovative environment with room for professional growth

We are a professional SEO company working with international clients in highly competitive iGaming and casino niches.
Our team of specialists creates and scales SEO strategies for project portfolios where results and a systematic approach truly matter.
We continuously improve our processes, implement cutting-edge optimization methods, and are looking for a Head of SEO who will help us scale the direction and build teams for effective project growth.
 

Key Responsibilities

• Develop and implement SEO strategies for project portfolios and international brands
• Build, manage, and scale teams of SEO specialists, team leads, and experts of various profiles
• Optimize internal processes to scale the SEO direction and increase overall efficiency
• Work with highly competitive geographies, continuously improving approaches and adapting to search engine algorithm updates
• Collaborate with all key departments of the company to ensure effective traffic monetization
   

Requirements

• 5+ years of hands-on experience in SEO
• 2+ years of experience managing SEO teams or SEO directions
• Experience working with large-scale SEO projects and multi-brand structures
• Strong technical SEO expertise (indexing, redirects, canonicals, server responses)
• Practical understanding of Google Core Updates, E-E-A-T, and anti-spam filters
• Experience setting tasks for developers and controlling their execution
• Understanding of a performance-driven approach to SEO and traffic monetization
• Experience in iGaming, casino, affiliate, or other highly competitive niches will be a strong advantage
• Strong analytical and strategic mindset combined with a realistic assessment of team resources and capabilities
   

What We Offer

• A key role in developing the SEO direction of an international holding
• High level of autonomy in strategic decision-making and the opportunity to implement your own ideas
• Long-term cooperation with a stable and fast-growing company
• Direct support from company owners and a senior team with deep SEO expertise
• Flexible cooperation format (in-house or contract), modern tools, and all necessary resources to execute ambitious plans
  
  📩 Ready to build a high-impact affiliate program from the ground up? Send us your CV — let’s talk!

✨ Welcome to Win Media – Your Partner in iGaming Excellence! ✨

At Win Media, we create innovative solutions that drive success in the iGaming industry 🎯.
By combining expertise 💡, technology ⚙️, and bold strategies 🚀, we help brands grow faster, smarter, and stronger.

With a passionate team that challenges limits every day, we turn ambitious goals into measurable results. 💪
 

📌 About the Role

We are looking for an experienced Billing & Payments Manager to join our team. 🚀
This role is key to building and scaling our payment infrastructure across Tier-1 GEOs. The ideal candidate is a detail-oriented professional with a deep understanding of PSPs, compliance, and billing systems in the iGaming space.

You will take full ownership of developing and managing the billing department — from negotiating with payment providers to implementing efficient internal processes that ensure seamless transactions and top KPIs.

🛠️ Responsibilities

💳 Search, negotiate, and sign contracts with payment service providers (PSPs) in Tier-1 GEOs
⚙️ Integrate and configure payment systems and gateways within the casino platform
📊 Build processes for monitoring key billing KPIs (PSP Cost, Approve Rates, Withdrawal Time, Hold %, etc.)
📝 Ensure smooth compliance with banks, PSPs, and gateways
📂 Establish and manage documentation workflows and contracts
🔄 Develop and control routing, cascading, and orchestration processes for credit card payments
📈 Create alerting and reporting systems for fast reaction to KPI changes

✅ Requirements

🌍 2+ years of experience in a similar role within online casino/iGaming structures
💳 Strong expertise in working with PSPs: contracts, compliance, risks, red flags
⚙️ Deep understanding of casino billing processes: processing, cascading, routing, orchestration, refunds, chargebacks
📂 Experience in setting up internal billing processes from scratch
🧠 Detail-oriented, responsible, and capable of leading the payment function independently
🤝 Strong negotiation skills and an existing network of PSP contacts (Canada, Germany, Greece, Austria, other Tier-1 markets)
🗣️ English — Upper Intermediate (negotiations, contracts, compliance)

🎁 What We Offer

👥 A strong and professional team, driven by results
🔥 High level of autonomy with minimal bureaucracy
🚀 Strategic position with growth opportunities — build and lead your own department
🏙️ Flexible work format: remote or from our Warsaw office
💰 Competitive salary package + performance-based bonuses
🌴 Paid vacation and sick leave
🎉 Corporate gifts and a supportive work culture
 

✨ Let’s build the future of iGaming payments together with Win Media! ✨

We are looking for a strong Full-Stack .NET + React Engineer with knowledge in AI LLM integrations to help expand and improve an existing AI CFO product. The MVP is already built and in use. This role is focused on building new features, improving AI Agent performance, and developing new Agents.

You will work directly on an active product and help us:

• Design and implement new features on top of an existing system
• Build advanced file export and reporting functionality (PDF, Excel, structured reports)
• Improve accuracy, consistency, and performance of LLM outputs
• Maintain and optimize generating charts and graphs using LLMs
• Create evaluation pipelines to measure and optimize model performance
• Implement validation layers and deterministic post-processing

Core Requirements

Full-Stack Engineering

• React (or similar frontend framework) experience
• .NET Backend development experience
• Working with AWS (or similar cloud environments)
• Knowledge with relative and document databases 

AI / LLM Engineering

• Proven experience integrating LLMs into real applications
• Experience with MCP and understanding how it works
• Structured output generation (JSON, reports, analytics)
• Prompt engineering and workflow optimization
• Building evaluation frameworks and test suites for AI systems
• Experience with frontier LLM models
• Handling retries, validation, guardrails, and fallback logic
• Optimizing cost, latency, and accuracy trade-offs
• Use AI-assisted coding tools (Claude Code) to ship faster

Strong Plus

• Financial analytics or accounting-related software experience
• Familiarity with QuickBooks or similar financial systems

Engagement Model

• Part-time contract (~120 hours per month)
• Fully remote
• Flexible schedule
• Long-term collaboration (not a short gig)
• Complete freedom in choosing technologies and architectural solutions

This is perfect for an experienced engineer who prefers flexible contract work and enjoys building practical AI systems.

Shortlisted candidates will receive a test task. Detailed project information will be shared after signing an NDA.

✨ Welcome to WinMedia – Driving Innovation in iGaming Products! ✨

At WinMedia, we build cutting-edge solutions that shape the future of the iGaming industry 🎯. By combining strategic thinking 💡, creativity 🎨, and data-driven insights 📊, we create products that engage players, grow revenues, and set new industry standards 🚀.

With a passionate team and bold vision, we transform ideas into world-class products. 💪
 

📌 About the Role
We are looking for an experienced Head of Product / Product Owner to join our team. 🚀
The ideal candidate is a strategic thinker and strong leader who can design and execute product roadmaps, drive B2C growth, and build innovative solutions for Tier-1 markets.
 

🛠️ Responsibilities

Develop, own, and execute the company’s product strategy across the portfolio.

Create and maintain strategic product roadmaps aligned with business goals.

Prioritize new product development and continuous improvement of existing solutions.

Build and optimize the end-to-end product process – from ideation to launch and support.

Conduct deep market, competitor, and user analysis to define product opportunities.

Define and track KPIs to measure product success and adjust strategies accordingly.

Drive engagement, retention, and revenue growth through product innovation (B2C focus).

Collaborate closely with cross-functional teams and ensure flawless execution.
 

✅ Requirements

2+ years in iGaming on a product role.

2+ years of B2C product management experience.

1+ year in a leadership product position within iGaming.

Proven track record of building and scaling successful products (preferably online casino platforms with in-house development).

Experience with Tier-1 GEOs and B2C markets.

Strong analytical skills with ability to generate and test hypotheses.

Excellent communication and leadership skills.

Advanced English.
 

🧰 Tools & Skills

Jira, Miro, ClickUp, GSuite (Mail, Sheets, Docs, Meet, etc.)

draw.io, Figma

Solid understanding of product KPIs, data analysis, and optimization techniques.
 

🎯 Ideal Candidate

Has led product teams on platforms with in-house development.

Successfully launched and scaled at least 2 online casino projects in Tier-1 markets.

Combines leadership with a deep understanding of iGaming market needs.
 

🎁 What We Offer

💰 Competitive salary and strong financial incentives

🎨 Freedom to make decisions and implement your ideas

🚀 Fast career and professional growth opportunities

🎓 Direct mentorship and learning from the CEO

🌍 Flexible work setup and supportive environment

✨ Welcome to WinMedia – Driving Innovation in iGaming Products! ✨

At WinMedia, we build cutting-edge solutions that shape the future of the iGaming industry 🎯. By combining strategic thinking 💡, creativity 🎨, and data-driven insights 📊, we create products that engage players, grow revenues, and set new industry standards 🚀.

With a passionate team and bold vision, we transform ideas into world-class products. 💪
 

📌 About the Role
We are looking for an experienced Product manager / Product Owner to join our team. 🚀
The ideal candidate is a strategic thinker and strong leader who can design and execute product roadmaps, drive B2C growth, and build innovative solutions for Tier-1 markets.
 

🛠️ Responsibilities

Develop, own, and execute the company’s product strategy across the portfolio.

Create and maintain strategic product roadmaps aligned with business goals.

Prioritize new product development and continuous improvement of existing solutions.

Build and optimize the end-to-end product process – from ideation to launch and support.

Conduct deep market, competitor, and user analysis to define product opportunities.

Define and track KPIs to measure product success and adjust strategies accordingly.

Drive engagement, retention, and revenue growth through product innovation (B2C focus).

Collaborate closely with cross-functional teams and ensure flawless execution.
 

✅ Requirements

2+ years in iGaming on a product role.

2+ years of B2C product management experience.

1+ year in a leadership product position within iGaming.

Proven track record of building and scaling successful products (preferably online casino platforms with in-house development).

Experience with Tier-1 GEOs and B2C markets.

Strong analytical skills with ability to generate and test hypotheses.

Excellent communication and leadership skills.

Advanced English.
 

🧰 Tools & Skills

Jira, Miro, ClickUp, GSuite (Mail, Sheets, Docs, Meet, etc.)

draw.io, Figma

Solid understanding of product KPIs, data analysis, and optimization techniques.
 

🎯 Ideal Candidate

Has led product teams on platforms with in-house development.

Successfully launched and scaled at least 2 online casino projects in Tier-1 markets.

Combines leadership with a deep understanding of iGaming market needs.
 

🎁 What We Offer

💰 Competitive salary and strong financial incentives

🎨 Freedom to make decisions and implement your ideas

🚀 Fast career and professional growth opportunities

🎓 Direct mentorship and learning from the CEO

🌍 Flexible work setup and supportive environment

Responsibilities:

• Design, develop, and maintain C++ applications and services that interact with embedded systems, specifically using Ardupilot/PX4 or other similar platforms.

• Collaborate with hardware engineers to integrate C++-based software with embedded systems and sensors, enabling seamless data exchange and device control.

• Identify, troubleshoot, and resolve software and hardware integration issues, ensuring high-quality, reliable, and performant solutions.

• Utilize Python for up to 20% of development, mainly for scripting, testing, and automation tasks.
 

Required Qualifications:

• 5+ years of experience in development with a focus on embedded systems, device programming, or hardware interfacing.

• Proven experience with Ardupilot/PX4 or similar platforms (e.g., Betaflight, iNav).

• Solid understanding of embedded systems, microcontrollers, and hardware-software interaction.

• Strong expertise in C++, with experience in performance optimization,

multithreading, and I/O operations in resource-constrained environments.

• Experience with Python for development, including scripting, testing, and automation, as well as its use in embedded systems.

• Experience with serial communication protocols (e.g., UART, SPI, I2C).

• Experience in Linux/Unix environments and tools (e.g., Git, SSH, command-line utilities).
 

Will be a plus:

• Experience with single board PCs (e.g., Raspberry Pi, Arduino, etc.).

• Knowledge of cloud technologies or IoT platforms (e.g., MQTT, AWS IoT, Google Cloud IoT).

• Soldering and engineering skills.

• Experience with 3D printing.

We are looking for a Data Scientist eager to grow in the field of autonomous systems, with a focus on computer vision, control theory, and data-driven modeling. This role is ideal for someone with strong analytical skills and a passion for applying data science to real-world autonomy challenges.

Key Responsibilities

• Assist in developing vision-based algorithms for perception and navigation.
• Support data analysis and sensor fusion for multi-sensor systems.
• Contribute to modeling and simulation tasks under guidance from senior engineers.
• Work with datasets from cameras, IMUs, and other sensors to extract insights.
• Stay up-to-date with recent research in computer vision, autonomy, and data science.

Required Qualifications

• 2+ years of experience in computer vision or data analysis.
• Understanding of geometric computer vision principles.
• Basic knowledge of control theory, PID controllers, signal processing, and data-driven modeling.
• Programming skills in Python and C++.
• Familiarity with Linux and single-board computers.
• Strong willingness to learn and adapt quickly.
• Relevant work experience or education in STEM field

Nice to Have

• Exposure to SLAM or Visual-Inertial Odometry (VIO).
• Familiarity with OpenCV, NumPy, and basic ML frameworks (PyTorch, TensorFlow).
• Knowledge of ROS2, Gazebo, or AirSim.
• Experience with PX4, Betaflight, or ArduPilot.
• Basic understanding of neural networks and CV frameworks.
• Interest in reinforcement learning or predictive modeling.

We are seeking a Data Scientist with a strong foundation in physics, control theory, and mathematical modeling to join our team working on cutting-edge autonomous systems. The ideal candidate combines analytical rigor with practical experience in modeling, simulation, and algorithm development for autonomous platforms.

Levels: Middle and Senior (responsibilities and scope will be adjusted accordingly).

Key Responsibilities

• Develop and validate mathematical models for autonomous systems and dynamic environments.
• Apply data-driven approaches for system identification, optimization, and predictive control.
• Analyze large datasets from sensors and simulations to extract insights and improve system performance.
• Design and implement algorithms for control, navigation, and decision-making.
• Collaborate with cross-functional teams to integrate models into real-world autonomous platforms.

Required Qualifications

• 3+ years in R&D or applied data science/software development.
• Strong background in mathematical modeling, system identification, and control theory.
• Proficiency in Matlab/Simulink for modeling and simulation.
• Experience in signal processing and data analysis.
• Programming skills in Python and C++.
• Ability to quickly research and apply recent trends in control theory, autonomous systems, and data-driven modeling.
• Relevant work experience or education in STEM field

Nice to Have

• Knowledge of aerodynamics fundamentals.
• Experience with Machine Learning (e.g., reinforcement learning, predictive modeling).
• Familiarity with simulation tools such as Gazebo, AirSim.
• Hands-on experience with SITL/HITL testing.
• Exposure to flight control stacks like PX4, Betaflight, ArduPilot.

• Our client is a leading global Financial market data provider who runs a change program aiming to migrate a set of legacy data connectors to a new strategic platform. The main driver is to deliver high-quality software that connects Financial Markets across the globe in a real-time, high frequency, and low-latency data management chain. The projects are technically challenging in an environment that is very engaging. Projects will utilize a multitude of different languages and technologies including AWS platform.
   
  We are looking for a Senior Python software engineer experience in implementation of backend systems running under Linux/AWS/Azure. Candidate should be capable to coordinate work with QA, Operational, and cross-functional application teams.

• Responsibilities:

  • Develop high-quality software, design, and documentation
  • Provide estimates for specific software feature implementation
  • Identify, prioritize and execute tasks in the software development life cycle
  • Build unit tests for your code
  • Automate tasks through appropriate tools and scripting
  • Perform validation and verification testing
  • Collaborate with internal teams and vendors to fix and improve products

• Mandatory Skills Description:

  • English at the level of fluency Upper Intermediate or higher - crucial
  • 7-10+ years of full life-cycle software development experience
  • 5+ years of software development using Python
  • Experience in developing under Linux platform
  • Prod Support experience is required.
  • Good analytical skills and a real passion for solving problems
  • Soft Skill (very proactive and open-minded person)
  • Be result oriented, own a product at each point of SDLC cycle, collaborate closely with team

• Nice-to-Have Skills Description:
  • Experience working with AWS
  • Experience working with C++

About the Role:

We are seeking a motivated Junior Package Engineer with PCB design experience to join our IC packaging and signal/power integrity team.

You will support the development of advanced semiconductor packages and perform SI/PI analysis for high-speed interfaces such as Ethernet, PCIe, DDR, and SerDes.

Responsibilities:

• Assist in IC package design (substrate layout, stack-up, routing, DRC checks)
• Support package floorplanning and die/ball map development
• Work with senior engineers to run SI simulations (S-parameters, insertion loss, eye diagrams)
• Perform PI/PDN analysis (IR drop, decap planning, impedance profiles)
• Translate PCB experience into package-level routing constraints (differential pair rules, impedance control)
• Help model high-speed interfaces: Ethernet, PCIe, DDR, SerDes
• Collaborate with silicon, system, and PCB teams on end-to-end interconnect design
• Document design guidelines, simulation results, and engineering reports

Required Qualifications:

• Experience with PCB design tools (Altium, OrCAD, Allegro, KiCad, or similar)
• Understanding of high-speed differential routing and board-level signal integrity basics
• Familiarity with impedance control, vias, stackups, return paths, PDN concepts
• Exposure to interfaces such as Ethernet, PCIe, DDR
• Basic scripting or automation skills (Python/Matlab preferred)
• Strong problem-solving abilities and attention to detail

• High motivation to learn package design and SI/PI methodologies

   

  Nice-to-Have Skills

• Familiarity with package design tools: Cadence SIP/APD, Xpeedic, Mentor Xpedition
• Exposure to SI/PI simulation tools: ANSYS SIwave, HFSS, Sigrity, ADS
• Understanding of flip-chip, BGA, RDL, 2.5D/3D packaging

• Knowledge of SerDes, USB, LPDDR, or high-speed PHY design principles

   

What We Offer: 

• Full training in IC packaging, SI/PI analysis, and advanced interconnect design
• Opportunity to work with cutting-edge technologies (PCIe Gen5/6, DDR5/6, chiplets)
• Mentorship from senior package, SI, and system engineers
• A clear growth path toward package architect, SI/PI lead, or chiplet interconnect specialist

Key Responsibilities:

• Ensure high quality of software products across all stages of development;
• Design, execute, and maintain test cases, test plans, and test scenarios;
• Perform manual testing of complex systems (backend, APIs, networking-related features);
• Analyze logs, identify root causes of issues, and collaborate closely with developers;
• Validate client-server interactions and network behavior;
• Participate in requirements analysis and provide early QA feedback;
• Contribute to improving QA processes and testing standards.

Required Skills & Experience:

• Strong experience as a QA Engineer (manual testing);
• Good command of English (Intermediate+ or higher);
• Solid understanding of software testing methodologies and QA processes;
• Strong logical and analytical thinking;
• Experience working with client-server architecture;

• Linux: confident use of basic commands, log analysis;
• Networking fundamentals: TCP/IP, UDP, REST, OSI model;
• Ability to troubleshoot issues across different system layers;
• High attention to detail and commitment to product quality;
• Ability to work independently and take ownership of testing areas. 

Technical Plus (Nice to Have):

• Hands-on experience with networks or network devices;
• Experience working with Linux-based systems;
• Experience testing REST APIs;
• Python for test automation or scripting;
• MySQL (basic queries for data validation);
• Experience with hardware testing, flashing devices, soldering;
• Understanding of QA metrics and reporting;
• Experience mentoring junior QA engineers.

Personal Qualities
• Proactive and open-minded;
• Fast learner with a strong problem-solving mindset;
• Strong communication skills. 

Company Offers:
• Competitive salary based on experience;
• Flexible 8-hour working day (remote / hybrid options);
• 20 days of paid vacation;
• Health insurance;
• Professional, international work environment;
• Opportunity to work with complex and interesting products;
• Office located within 15 minutes (if on-site). 

About company:

Johnson Controls is a global leader in smart building solutions, dedicated to creating safe, healthy, and sustainable environments. As the provider of the world’s largest portfolio of building technology, software, and services, we are at the forefront of innovative building management.

Our Intrusion Department specializes in the development of high-quality electronic security systems and components. Operating in Ukraine through our subcontractor in Kyiv, we work with both hardware and cloud servers, including AWS, as well as virtual machines.

On the client side, we utilize intrusion panels from top vendors such as Visonic PowerMaster, DSC PowerSeries, and Qolsys IQ, alongside a range of wireless technologies (PowerG, Z-Wave, Zigbee) and wired devices.

In addition, we offer User and Installer Applications for both iOS and Android, providing seamless integration and control for our customers.