Jobs at Djinni

Our Customer:

A global technology company developing real-time video augmentation and rendering infrastructure for broadcast and streaming environments.
 

Responsibilities:

• Design and implement a native video playback extension that augments HLS streams at runtime across platforms such as Android (ExoPlayer), webOS, Roku, and others;
• Build and maintain a cross-platform rendering layer using OpenGL for real-time video frame processing and compositing;
• Integrate GPU-based overlays and visual transformations directly into the playback pipeline with strict frame-accurate synchronization;
• Develop device-aware architecture to handle platform-specific decoding, rendering surfaces, hardware acceleration constraints, and performance tuning;
• Integrate external SDKs and APIs alongside an internal AR/graphics processing pipeline;
• Optimize rendering performance, memory usage, and latency under real-time streaming constraints;
• Collaborate with QA and Product teams to validate rendering accuracy, synchronization precision, and cross-device stability.
   

Required experience and skills:

• Strong hands-on experience with OpenGL (mandatory, core skill), including shader programming and GPU pipeline understanding;
• Solid knowledge of real-time rendering concepts (frame buffers, textures, shaders, synchronization, GPU/CPU interaction);
• Experience integrating OpenGL with native video playback surfaces;
• Strong experience with Kotlin for Android development;
• Practical experience with HLS streaming internals and playback customization;
• Strong understanding of video decoding/rendering pipelines and frame timing control;
• Experience with native video players on at least one of the following platforms: Android (ExoPlayer), webOS, RokuTV;
• Experience implementing low-latency video overlays and graphical composition;
• Understanding of hardware acceleration and performance optimization on embedded/TV devices;
• Proven background in full-cycle software engineering (integration, profiling, debugging, optimization);
• English — Upper-Intermediate+.
  
  Working conditions:
  5-day working week, 8-hour working day;

We are looking for an experienced Finance Specialist to support financial operations, planning, and reporting in a flexible working format.

Responsibilities

• Manage and oversee financial operations of the company
• Prepare and analyze financial reports (P&L, cash flow, budgets, forecasts)
• Monitor company expenses, revenues, and financial performance
• Support budgeting and financial planning processes
• Collaborate with management on financial strategy and decision-making
• Work with external accountants, banks, and service providers if needed
• Ensure compliance with financial and accounting standards
• Optimize financial processes and improve cost efficiency

Requirements

• 3+ years of experience in finance, accounting, or financial analysis (preferably in IT or tech companies)
• Strong understanding of financial statements, budgeting, and forecasting
• Experience working with accounting/financial software and spreadsheets
• Ability to work independently and manage tasks in a remote or flexible environment
• Strong analytical and problem-solving skills
• Good communication skills in English (written and spoken)

Nice to Have

• Experience in startups or fast-growing IT companies
• Knowledge of international accounting or working with multiple jurisdictions
• Experience with SaaS metrics and unit economics

What We Offer

• Flexible working format: part-time or another arrangement proposed by the candidate
• Remote-friendly work environment
• Competitive compensation based on experience and workload
• Opportunity to work with an IT product and grow with the company

Introduct Group is an international technology company delivering tailored software solutions and digital products for businesses worldwide. We work on complex, large-scale projects across multiple industries, helping clients build reliable, scalable, and secure systems.

IMPORTANT: We are considering candidates who are either currently located in Kyiv or open to relocation to Kyiv.

Additionally, the candidate must be eligible to travel outside of Ukraine and be available for a temporary assignment of up to 6 months in Tallinn. During this period, the company will fully support business travel, including regular trips home (approximately every 3–4 weeks), with all travel expenses covered.

Project is one of the most experienced account-based ticketing, fleet management, and real-time passenger information system providers globally. Our mission is to improve public transportation through smart and efficient solutions. We are on a journey to simplify public transport through technology. 

About the Role 
We are looking for a talented developer with experience in Android or Linux-based application development, particularly in creating custom solutions for specialised ticketing hardware. You will be working on diverse projects, including vehicle control units, handheld ticket validation devices, POS systems, and more, using technologies like Android SDK, Kotlin, Linux, and MQTT to build seamless, high-performance solutions. 
 
You are welcome to apply if you have: 

• Solid development experience in Android/Kotlin (or excellent coding skills in any other language and readiness to move to core Android). 
• Experience and interest in R&D with different hardware. 
• Ability to analyze tasks and offer solutions. 
• Ace through specs to get things up and running and integrated. 
• Bright mind and desire to succeed. 
• Upper Intemediate level of English.

What would make you extra special: 

• Experience in certifying hardware and software (especially payment related). 
• Experience with embedded programming. 
• NFC and authentication or NDK experience.
• Experience with IoT, IP routing.
• Exposure to graalvm and/or Yocto Project.
• Deep understanding of Linux.

What you will be doing: 

• You will be developing applications for different Android or Linux based specialised ticketing hardware. For example: 
• Custom built central control unit for vehicles. 
• Driver device and control interface.  
• Different handheld units for ticket validation and selling. 
• Point-of-sale (POS) devices or peripheral devices.
• Most of the devices run standard Android OS and you will write (complex) business logic in Android (Kotlin) and native Android UIs. 
• Our Linux-based validator runs a customer-facing user interface written using the Angular.  

We offer:

• An opportunity to participate in high-impact system development with a combination of hardware and software that influences billions of people around the globe.
• Dynamic and challenging work in a growing international technology company.
• Opportunity to grow together with an ambitious and expanding company filled with supportive and positive people.
• Competitive salary.
• Business trips to Tallin for on-site collaboration with the client and project team.
• Accommodation provided.
• Transportation cost compensation.

Ready to transform public transport with us? Apply now and let’s build the future together!

📍 Remote | Full-time
Introduct Group is an international company contributing to software development excellency in tailored solutions to our customers worldwide.
The company is originally from Estonia, with headquarters in Kyiv and offices in other countries. Introduct Tech welcomes a talented professional to join our challenging and dynamic European project in Logistics Industry.
 

Introduct Group is an international company delivering tailored software solutions to clients worldwide. Founded in Estonia, with headquarters in Kyiv and offices across several countries, we combine global vision with local expertise.

We are currently seeking a results-oriented Tableau professional to join our dynamic European project in the Logistics Industry as part of our BI Team.

This team plays a critical role in delivering business intelligence services — from maintaining analytical data warehouses to creating insightful dashboards and supporting company-wide analytics initiatives.
 

Your Role

We’re looking for a senior-level Tableau expert who will:

• Analyze existing dashboards and suggest improvements
• Have at least 3 years of experience in a similar position
• Apply best practices to enhance performance and user experience
• Ensure data integrity and consistency across reports
• Document solutions and support the team through training and knowledge sharing
• Leverage your experience in Tableau performance tuning, data modeling, and stakeholder collaboration to drive measurable improvements
• Upper-intermediate English
   

What We Offer

• Competitive salary
• Fully remote work format
• Opportunities for professional development through English courses and training programs
• A friendly and professional team environment where your contributions truly matter

If you’re passionate about turning data into insights and helping teams perform at their best — we’d love to hear from you. Join Introduct and make your impact through BI.

Pivdenny Bank is one of the leaders in the Ukrainian financial market and ranks third in the group of Ukrainian private banks in terms of assets. For 32 years, Pivdenny has been a reliable financial partner for individuals, small and medium enterprises, and corporations.

More than 1700 active and dedicated employees work for Pivdenny throughout Ukraine. For four years in a row, the bank has been included in the Forbes 50 Best Employers rating.

We are now looking for a Senior Backend Developer to join our team.

Responsibilities:

• Develop of integration applications on the IBM App Connect Enterprise integration bus in accordance with the current tasks of the department;
• Participate in the design of microservices and their databases;
• Implement unit and integration tests;
• Develop new features and make updates of existent microservices on a daily-basis;
• Write clean, testable, maintainable code, and continue to grow development skills;
• Perform requirement analysis and features estimation;
• Prepare API documentation of microservices;
• Share knowledge of the project with team members.
   

Requirements:

• BS or MS in Computer Science or related field;
• 5+ years of commercial experience in Java;
•  Experience with IBM App Connect Enterprise;
• Good understanding of OOP principles, OOP design, and design patterns;
• Good understanding of microservices architectural principles and experience in the development of RESTful applications and microservices;
• Good practical experience with Java 11+, Spring 5+ / Spring Boot 2+ (Data JPA/Hibernate, Security, Cloud), JUnit 5, Mockito, Testcontainers, Kafka / RabbitMQ;
• Experience with Git, Maven, Docker / Docker compose;
• Good knowledge and practical experience with SQL and relational database.

What we offer:

• Health insurance;
• Competitive salary;
• Work in a functional, comfortable office or remotely;
• Corporate psychologist;
• Opportunity for career growth and development;
• Opportunity to take courses and training;
• Opportunity to work in a stable and professional company with a friendly team.

We review resumes within 14 days. If you do not hear from us, it means that we cannot offer you a position at this time, but we have kept your resume in our database. We will contact you when we have a suitable opportunity.

We are looking for an experienced specialist or a cohesive team to drive targeted traffic to OnlyFans models' pages. Our main goal is steady audience growth and a multiple increase in models' revenue. If you know how to generate high-quality traffic and are looking for a long-term partnership, we are ready to provide all the resources for your growth!
 

💼 What We Offer:
 

• Flexible Payment Models: We are open to working on RevShare, CPL, or discussing other personalized terms of cooperation.
• Funding: We allocate the necessary budgets for testing and scaling campaigns.
• Partnership Approach: We aren't just looking for a contractor; we are building long-term partnerships. We provide full support for your development and are ready to supply the necessary resources.
• Remote Work: Work from anywhere you feel comfortable.
   

🎯 Responsibilities:
 

• Attracting a targeted audience and converting users into paying subscribers (fans).
• Finding, testing, and scaling effective traffic sources.
• Meeting the daily KPI: ensuring a stable volume of at least 100 fans per day.
• Analyzing ad campaigns and optimizing funnels to increase ROI and the models' overall revenue.
   

📋 Requirements:
 

• Proven Experience: Real, successful case studies and prior experience in the OnlyFans niche are a must.
• Result-Oriented: Focused on financial results and profitability, not just working to "tick a box."
• Volume Capacity: Ability to consistently deliver a volume of 100+ new fans daily.
• Analytical Mindset: Ability to work with numbers, analyze metrics, and promptly adjust your strategy.
  
  Stop looking for traffic manager vacancies if you already know how to generate traffic on your own. If you have the know-how and winning campaigns, drop us a message so we can build a long-term, mutually beneficial partnership! 

We are looking for a motivated and ambitious Strong Junior Python Developer who is eager to grow in the field of modern web technologies. You will become part of our team, contribute to interesting and challenging projects, and gain valuable experience under the guidance of senior colleagues.
 

What you’ll be doing:

• Developing new features and modules for our products.
• Participating in the design and maintenance of REST APIs.
• Writing clean, efficient, and testable code.
• Integrating with various external services and databases.
• Participating in code reviews and collaborating with the team.
• Troubleshooting, debugging, and optimizing existing code.

Requirements:

• 6+ months of commercial experience in Python development.
• Knowledge of either Django or FastAPI.
• Hands-on experience with PostgreSQL or MongoDB.
• Solid understanding of REST API design principles.
• Basic knowledge of cloud technologies (AWS or others) is a plus.
• English proficiency at an Upper-Intermediate (B2+) level.

We offer:

• Competitive salary.
• Opportunities for professional and career growth.
• Mentorship and support from experienced developers.
• Work on interesting projects with a modern technology stack.
• Flexible schedule and remote work options.
• Official employment and paid vacation/sick leave.
• Corporate events and a friendly team atmosphere.

The company is growing performance-driven products in the financial services space and is now looking for an experienced UGC Content Manager who can take ownership of creator sourcing, content production, and delivery of high-converting video ads.

The team is looking for a hands-on specialist who can work with creators directly, manage the full production flow, and understand what makes UGC content perform in paid acquisition.

Responsibilities:

• Source and recruit UGC creators through TikTok, Instagram, marketplaces, and other relevant platforms
• Find and test creators who fit the product, audience, and advertising goals
• Create clear creative briefs, including hooks, scripts, angles, and CTAs
• Manage creators throughout the production process: communication, timelines, follow-ups, and delivery
• Negotiate rates and handle payment coordination
• Review submitted content, request revisions, and maintain quality standards
• Edit and finalize videos for ads, or manage the editing process if needed
• Organize content in a structured way and keep track of production status
• Monitor content performance and identify which creatives work best
• Collaborate closely with media buyers to improve creative output and test new approaches
• Help build a scalable UGC system that consistently produces strong ad creatives

Requirements:

• Strong experience managing UGC creators and content production
• Ability to show past results and examples of performance-driven UGC work
• Strong outreach, communication, and negotiation skills
• Experience working with paid social creatives and direct-response content
• Good understanding of what makes ad creatives convert
• Video editing skills with tools such as CapCut, Premiere Pro, or similar
• Strong organizational skills and ability to manage multiple creators and deadlines at once
• Hands-on approach and readiness to be involved in execution, not only coordination
• Familiarity with AI tools for content creation, scripting, editing, or workflow optimization
• Comfort working in a fast-paced, performance-focused environment
• English C1

Nice to Have:

• Experience in financial services, fintech, lending, or lead generation products
• Experience scaling UGC for performance marketing campaigns
• Understanding of direct-response marketing principles
• Experience working closely with paid acquisition or media buying teams
• Ability to identify winning content patterns through performance signals

Important to Know

• This role is focused on business results, not organic content for branding only
• The team is looking for someone who understands how UGC works inside the paid funnel
• A strong portfolio is very important for this search
• If there is no formal portfolio, examples of ads, creatives, case studies, or campaign results are also helpful
• The ideal candidate is proactive, structured, and able to combine content sense with execution discipline
• This is a role for someone who can help build a repeatable system for creator-based ad production, not just manage one-off tasks

When applying
Please send your CV, portfolio (links to projects, social accounts, and examples of content you worked on), as well as your Telegram username: @andruse_k. We need materials that help us understand your level, taste, and approach.

The company is building a fast-growing AI product for the international market and is now looking for a strong Lead SMM / Social Lead who can take ownership of the social media direction.

This is not a role for someone who only manages processes. The team is looking for a senior hands-on specialist who can build strategy, work with content directly, and understand how social media influences product and business results.

Responsibilities:

• Build and develop the SMM strategy for the product
• Own the main social channels: Instagram, TikTok, X
• Create and improve content ideas that feel fresh and relevant
• Work with content hands-on, not only through delegation
• Test new formats, growth ideas, and content hypotheses
• Analyze not only reach and engagement, but also how content affects funnel and business metrics
• Track performance and understand what social media brings to the product
• Work with texts, creatives, AI tools, and content production
• Give direction to other people involved in content and keep the quality high

Requirements:

• Strong experience in SMM / Social / Content
• Experience working with Instagram, TikTok, and X
• Ability to build a strategy and move within this strategy
• Good understanding of metrics, conversions, retention, growth, and funnel logic
• Strong hands-on approach: ready to both think and do
• Good taste, strong content sense, and understanding of modern content trends
• Confidence in a fast, changing environment where quick decisions are needed
• Experience with AI tools and willingness to actively use them in work
• English: confident C1

Nice to Have: 

• Experience in AI, Dating, Funtech, iGaming, entertainment, creator economy
• Experience in startup or fast product teams
• Experience creating content for English-speaking audiences
• Comfort working with Funtech content as part of the product context

Important to Know:

• This role is for someone who cares about business impact, not only about beautiful content
• The team wants a person who understands how content can move users through the funnel
• Portfolio is very important for this search
• If there is no portfolio, links to social accounts, projects, or published content are also okay
• The team values people who are proactive, strong in ideas, and not afraid to speak up
• This is a product team with a startup mindset, so the pace can be intense at times

Benefits:

• Remote full-time opportunity
• 28 calendar days of vacation
• 7 wellness days per year
• Bonuses up to $5000 for successful referrals
• 50% compensation for professional training, conferences, and events
• Corporate discount for English lessons
• Health benefit up to $1000 gross per year
• Workplace support / reimbursement up to $1000 gross once every 3 years
• Internal bonus and gratitude system with rewards and merch

When applying
Please send your CV, portfolio (links to projects, social accounts, and examples of content you worked on), as well as your Telegram username: @andruse_k. We need materials that help us understand your level, taste, and approach.

Looking forward to hearing from you! :)

Experience Level: 

Minimum 7-8 years of commercial experience 

Job Description: 

We are looking for an experienced software engineer with strong technical expertise, excellent problem-solving skills, and the ability to work effectively in a collaborative environment. The ideal candidate should have a proven track record of working on complex systems based on SONIC networking OS. Candidates with a strong background in both software development and QA engineering are encouraged to apply for this role. Below are the key technical requirements for the role: 

Technical Requirements: 

1. Networking Experience: 

• Experience with SONIC Networking OS 
• Experience with Broadcom Switch ASIC’s such as Tomahawk (1-5) or other StrataXGS 
• Experience with porting SONIC to Broadcom Switch ASIC’s based systems 
• Experience with SAI for Broadcom Switch ASIC 
• Experience with FW/SW development for networking devices using C/C++ 
• Experience with Linux Kernel modules/drivers’ development, particularly for FPGA, CPLD’s 
• Experience with SW development using Python 
• Experience with various peripherals and peripheral buses, like I2C, PCI-E, etc. 
• Experience with data path automated tests development for network devices, using Python/Pytest. 
• Experience with SW/HW bringup/integration of networking devices. 
• Solid understanding of the differences between routing and forwarding, as well as switches and routers. 
• Proficiency in L2/L3 protocols. 

1. Advanced Network Skills: 

• Experience with link aggregation and LACP. 
• Knowledge of automatic routing protocols like BGP, OSPF, RIP, and IS-IS. 

1. Programming and Tools: 

• Advanced C/C++ programming skills. 
• Advanced Python programming skills. 
• Experience with Jenkins, Pytest, Scapy, traffic generators, traffic analysers, etc. 
• Git/ GitHub 

1. Additional Skills (Optional but Preferred): 

• Knowledge of embedded systems, Linux, or related technologies is an advantage. 
• Familiarity with tools like Jira, and CI/CD pipelines. 

We are seeking a visionary Senior Product Designer to lead the creative direction of a next-generation, AI-driven educational ecosystem. This is not a traditional corporate tool; we are building a high-end, consumer-grade platform that prioritizes "cinematic" immersion and deep personalization.
 

The ideal candidate excels at the intersection of storytelling, advanced UI/UX, and artificial intelligence, moving beyond static layouts to create dynamic, living digital environments.

Key Responsibilities

• Architect a premium, "cinematic" user experience that blends the engagement of entertainment platforms with the utility of high-performance productivity tools
• Design intuitive patterns for human-AI collaboration, focusing on how users interact with intelligent virtual companions and personalized feedback loops
• Develop a cohesive design language for a multi-faceted platform that serves distinct user roles: from casual learners and content creators to high-level administrators and mentors
• Design sophisticated yet accessible interfaces for a creator economy, enabling users to build, manage, and distribute high-value content
• Create high-fidelity prototypes, micro-interactions, and motion studies that define the "feel" of the platform across different interaction modalities
• Collaborate with AI engineers and product leads to translate complex technical capabilities into seamless, user-centric features

Technical Skills & Expertise

• 5+ years of experience designing world-class digital products (EdTech, Entertainment, or high-growth SaaS)
• A portfolio demonstrating a mastery of typography, grid systems, and a "premium" aesthetic that stands out in the consumer market
• Ability to map out complex, multi-role user journeys and maintain a scalable design system
• Understanding of how to design for generative AI, including prompt patterns, conversational UI, and context-aware assistance
• Proficiency in tools like Protopie, Framer, or After Effects to create high-fidelity animations that enhance the "cinematic" feel
• Mastery of Figma for collaborative design and rapid iteration

Inviting Senior .NET Software Engineer to join a growing account in the medical devices industry domain. Our client is the global leader company of healthcare solutions, which contributes to human welfare by application of biomedical engineering in the research, design, manufacture, and sale of instruments or appliances that alleviate pain, restore health, and extend life for people around the world.

Our team is focusing on designing, developing, and testing embedded software for medical devices, where the software has strong restrictions for safety and quality, power management, and memory usage. Project for this position intends to extend medical device capabilities with PC application that will serve cloud services connectivity for existing device.
 

Requirements

• 4+ years of experience in C# application development
• Experience with AWS / Azure microservices and contenerisation
• Nice to have experience in Windows standalone appplication development
• Services integration experiences
• Upper-Intermediate English (be able to communicate with the client)
• Good communication skills
   

Job responsibilities

• Design and development of standalone application that connects and uses AWS & Azure based services
• Develop AWS services
• Coopeare on architecture design
• Participate in new features implementation
• Communicate with the client

Proactive and results-driven Account Manager to manage and develop relationships with VIP players. The role focuses on retention, revenue and deposit growth, and delivering a high-quality, personalized customer experience.

Key Responsibilities

• Build and maintain strong relationships with VIP players
• Act as the main point of contact for assigned accounts
• Monitor player activity and proactively engage to increase retention and lifetime value (LTV)
• Identify player needs and provide tailored offers, bonuses, and experiences
• Execute and optimize VIP campaigns and promotions
• Track player behavior, segmentation, and performance metrics

Requirements

• Experience in VIP Account Management, VIP Management  in iGaming. 
• Strong communication and relationship-building skills
• Analytical mindset with the ability to interpret player data
• Experience working with CRM tools (e.g., Zendesk, Voiso)
• Ability to manage multiple accounts and prioritize effectively
• Fluent in Spanish (English are a plus)
• Flexibility to work in shifts if required

Key Skills

• Relationship management
• Negotiation and upselling
• Customer retention strategies
• Data-driven decision making
• Problem-solving and conflict resolution

We are looking for a Junior Motion Designer to join our team and help create high-performing ad creatives for mobile apps and iGaming projects.

This is a hands-on role focused on execution — you will work on animations, variations, and visual production based on clear concepts and direction.

🎯 Responsibilities

• Create motion graphics in After Effects (mainly short ad creatives)
• Produce variations, resizes, and iterations of existing videos
• Work with templates and pre-made assets
• Assist in building engaging visual hooks (first 3 seconds)
• Follow given concepts and improve visual quality

⚡ Requirements

• Basic to intermediate skills in After Effects
• Understanding of timing, rhythm, and simple animation principles
• Ability to work fast and deliver on deadlines
• Attention to detail (very important)
• Portfolio with examples (even small projects)

➕ Nice to have

• Experience with ad creatives (Facebook / TikTok)
• Basic understanding of gambling / mobile apps creatives
• Knowledge of Premiere Pro / Photoshop
• Experience working with templates

💼 What you’ll get

• Constant flow of tasks (no “waiting for work”)
• Clear direction and structured feedback
• Opportunity to grow into Middle Motion Designer
• Work on real projects with performance focus (not just “pretty visuals”)

📩 How to apply

Send:

• Portfolio (must)

• 2–3 examples of motion work you’ve done

   

Job Description: 

 
We are seeking a highly skilled and motivated Android AOSP Engineer with deep expertise across the full Android stack — from Hardware Abstraction Layer (HAL) through to the Application layer. The ideal candidate will bring extensive experience in embedded software/firmware development, Android BSP, and AOSP customization. This role offers the opportunity to work with the latest Android versions (preferably Android 14 and beyond), contributing to innovative embedded systems in the critical middleware space between low-level hardware and high-level applications. 

You’ll be part of a cross-functional team developing and optimizing Android-based platforms and delivering robust, scalable solutions. 

Technical Requirements: 

• 8+ years of professional experience in embedded software/firmware development. 
• 2+ years of hands-on experience with Android AOSP development, including deep knowledge of HAL, Android Framework, and System Services. 
• Strong understanding of recent Android versions, features, APIs, and changes (preferably Android 14 or later). 
• Proficiency in Java, C++, and experience modifying code in C. 
• Solid experience in Embedded Linux development (e.g., power management, display drivers, connectivity stacks like Wi-Fi/Bluetooth). 
• Familiarity with Android development tools and workflows, including adb, fastboot, repo, and source control tools such as Git, Gerrit, and GitHub. 
• Good grasp of networking protocols: Ethernet, IP, TCP, UDP. 
• Strong problem-solving skills and a proactive, independent working style. 
• Excellent written and verbal communication skills. 

Nice to Have: 

• Experience with scripting languages like Bash or Python. 
• Debugging and development experience within the Android Framework layer. 
• Familiarity with the NDK toolchain, building native libraries and components. 
• Linux User Space development experience is a strong plus; Linux Kernel development experience is a bonus. 
• Big plus is Treble experience 

 Responsibilities: 

• Work with Android source code and build system: synchronize repositories, manage branches and patches, integrate third‑party components, and resolve build issues and conflicts. 
• Modify and improve Android platform and its components according to project requirements, including customization for specific hardware and product needs. 
• Develop, enhance, and test Android bootloader features, including boot optimization, recovery support, and system diagnostics. 
• Customize and maintain the Linux kernel and embedded components: configure Device Tree, integrate and modify drivers and embedded modules, and debug kernel‑level issues using logs and ADB. 
• Debug and diagnose software and hardware issues: analyze logcat and dmesg logs, use ADB and hardware debugging tools, document root causes and solutions, and track issues in a bug‑tracking system.