Jobs at Djinni

Join our Embedded Development team at Sigma Software and contribute to the development of next-generation connected IoT devices and edge solutions!

We are looking for a Senior Embedded Software Developer with strong networking and cybersecurity expertise to design and implement secure, reliable embedded systems with cloud connectivity and remote device management capabilities.

CUSTOMER

Our Customer is a global technology company specializing in climate technologies and energy management solutions. The company develops connected products and intelligent control systems for commercial, industrial, and residential environments, helping improve energy efficiency, operational reliability, and sustainability through modern smart infrastructure technologies.

PROJECT

The project focuses on developing secure, connected embedded systems that integrate with cloud platforms, support remote device management, and ensure reliable communication in real-world environments. The solution combines embedded software engineering, networking technologies, and cybersecurity principles to deliver scalable and reliable IoT solutions for modern edge devices.

REQUIREMENTS

• 5+ years of commercial experience in embedded software development using C/C++
• Strong experience with ARM-based microcontrollers such as STM32, NXP, TI, or Silicon Labs
• Strong understanding of embedded systems architecture, RTOS concepts, and hardware-software interaction
• Practical experience with wireless technologies including BLE, Wi‑Fi, LTE, Zigbee, or Thread
• Solid networking knowledge including TCP/IP, UDP, DHCP, DNS, IPv4/IPv6, MQTT, HTTP/HTTPS, and WebSockets
• Experience with cloud-connected embedded devices and IoT ecosystems
• Experience implementing OTA/FOTA firmware update mechanisms
• Understanding of embedded cybersecurity concepts including secure boot, TLS/SSL, certificate management, authentication, and cryptographic fundamentals
• Experience with communication interfaces such as UART, SPI, I2C, CAN, and Ethernet
• Experience with FreeRTOS, Zephyr, Embedded Linux, or similar platforms
• Strong debugging and troubleshooting skills using J-Link, ST-Link, GDB, or equivalent tools
• Experience with Git-based development workflows
• Upper-Intermediate or higher English level

RESPONSIBILITIES 

• Design and implement embedded software components and device functionality for connected IoT systems
• Develop, optimize, and maintain networking capabilities for cloud-connected embedded devices
• Implement telemetry, monitoring, remote provisioning, and Firmware-Over-the-Air update mechanisms
• Integrate and troubleshoot communication technologies including Ethernet, Wi‑Fi, BLE, LTE, Zigbee, and Thread
• Develop secure communication mechanisms following embedded cybersecurity best practices
• Design and maintain bootloaders, firmware update systems, and device lifecycle management functionality
• Perform debugging, troubleshooting, and root-cause analysis on real hardware platforms
• Conduct unit, integration, and system-level testing
• Collaborate with architects, hardware engineers, QA specialists, and security experts
• Participate in technical discussions, estimations, planning sessions, and Customer communication
• Prepare and maintain technical documentation
• Ensure compliance with engineering standards, security requirements, and quality processes
• Contribute to continuous improvement of development practices and engineering workflows
   

WILL BE A PLUS

• Experience with cybersecurity standards and secure development practices for IoT products
• Practical experience with networking stacks such as lwIP
• Experience with secure bootloader development and device provisioning
• Knowledge of PKI, certificate-based authentication, and hardware security modules
• Familiarity with Docker, GitLab CI/CD, and automated testing frameworks
• Experience with AWS IoT, Azure IoT, or Google Cloud IoT
• Basic hardware design and debugging knowledge
• Experience with secure manufacturing and device onboarding processes

We’re looking for an Antifraud Specialist to protect our operations — monitoring player activity, investigating suspicious behaviour, processing withdrawals, and handling chargebacks.

This is an analytical, hands-on role. You’ll work with gaming and payment data, investigate complex fraud cases, and continuously improve the rules and controls that keep the platform clean.

🔍 What you’ll be doing

• Monitor player accounts, gaming activity, and financial transactions to detect fraud, multi-accounting, bonus abuse, and money laundering indicators
• Analyse casino and sports betting activity: bets, winnings, settlement outcomes, and bonus abuse schemes
• Use antifraud systems to detect bonus manipulation, fictitious bets, and falsified identity information
• Review and process player withdrawals in accordance with internal procedures: KYC status, payment and gaming history, wagering requirements, and risk indicators
• Handle chargebacks: gather evidence and prepare dispute responses
• Use BI tools — including Power BI — to identify anomalies in player behaviour

🎯 What we’re looking for

• 1+ year of experience in antifraud or risk management within gaming
• Knowledge of iGaming operations: game mechanics, bonus offers, wagering requirements, bet placement, and settlement
• Experience in monitoring activity to identify suspicious and unusual player behaviour
• Understanding of traffic acquisition processes and associated fraud risks
• Knowledge of KYC procedures, basic AML requirements, and relevant licensing requirements
• Understanding of the full deposit and withdrawal lifecycle: payment methods, transaction statuses, declines, and refunds
• Hands-on experience reviewing and processing player withdrawals
• Experience handling chargebacks: case analysis, evidence collection, and dispute responses
• Experience working with antifraud systems, analytical tools, and dashboards
• Ability to identify fake accounts, multi-accounting, bonus abuse, bot attacks, card fraud, and money laundering indicators
• Ability to independently analyse data, identify connections between accounts and transactions, and make evidence-based decisions

⭐ Nice to have

• Previous experience in customer support or payment operations

✨ What we offer

• Fully remote setup
• Shift schedule: 2 days on / 2 days off, 12-hour shifts including 2 hours of breaks
• Probation period: 3 months
• Work on a live international product where your decisions directly protect business revenue
• Cross-functional collaboration with Payments, Bonus/Promo, CRM, and Support teams

Full Remote · iGaming · Antifraud · Risk · KYC/AML · Chargebacks  · Betting

Hi! 

We’re Applyft, a product IT company building mobile and web solutions for millions of users. Starting our path with Geozilla, we’ve grown into an ecosystem of 8+ products. Our portfolio spans across the Family Safety & Digital Safety niches.

We’re looking for a Head of Billing to lead our centralized Billing function and drive payment performance across our products. As our Head of Billing, you’ll bring together payments know-how, a strong business sense, and the ability to lead across teams. You’ll set the direction for Billing company-wide, improve how our payment stack performs and what it costs us to process transactions, and design an operating model that scales. 

You’re a great fit if you have:

• 3+ years of experience in Payments/Billing roles, with proven experience leading a team or function
• Strong understanding of subscription-based business models, ideally within B2C digital products
• Hands-on experience with payment processing, merchant accounts, payment gateways, acquiring banks, and payment orchestration platforms
• Deep knowledge of card payment flows, transaction routing, recurring billing, authorization optimization, and payment recovery
• Data driven and have analytical mindset 
• Proven experience managing PSP relationships, negotiating commercial terms, and evaluating payment partners
• Excellent leadership, communication, and negotiation skills, with a high level of ownership and accountability
• Upper-intermediate or higher English proficiency

What you’ll do:

• Strategic vision for the Billing function across all products
• Shape and drive a Billing strategy across all our products, aimed at growing revenue, making payments more efficient, and improving margins
• Take ownership of our web subscription billing setup and keep making it better, from payment orchestration and transaction routing to recurring charges and retry logic
• Run our relationships and integrations with PSPs, payment gateways, and acquiring banks: find new partners and coordinate the technical rollout with the teams involved
• Grow and lead the Billing team, putting in place processes that scale, clear ownership, and a culture where people take initiative and deliver results

We offer:

• Remote-First culture: We provide a flexible working schedule and you can work anywhere in the world.
• Health taking care program: We provide Health insurance, mental health support (psychologist compensation), sport compensation, and 20 paid sick days.
• Personal Equipment Policy: We provide all necessary equipment for your work. For Ukrainian employees we also provide Ecoflow.
• Vacation Policy: Each employee in our company has 20 paid vacation days and extra days on the occasion of special events.
• Knowledge sharing: We are glad to share our knowledge and experience in our internal events.
• English Lessons: We provide corporate English lessons to support your professional and personal growth.
• Professional Development: Annual learning budget for courses, training, certifications, and conferences.
• Public Holidays: You receive days off according to the official public holidays of your country of residence.
• Coworking Compensation (Ukraine): We provide coworking space compensation for employees located in Ukraine.

Type: Full‑time, Remote 
Tech Stack: Python, AWS, React, TypeScript, AI‑tools

Role:

We are looking for a Senior Full‑Stack Engineer with a strong backend focus to join our fast‑moving product team. You will work directly with the Co‑founder, owning features end‑to‑end — from backend logic and data processing to frontend delivery. This role is ideal for someone who thrives in autonomous environments, communicates clearly, and enjoys building high‑impact product features with heavy use of AI‑powered development tools.
 

Responsibilities: 

• Work closely with the Co‑founder to deliver product features from concept to production.
• Develop and maintain backend services in Python, including data processing, integrations, and performance optimization.
• Build and enhance frontend components using React and TypeScript.
• Work with AWS to deploy, maintain, and optimize cloud‑based services.
• Own tasks fully — from design, implementation, testing, and debugging to production delivery.
• Use AI‑powered tools extensively for coding, debugging, testing, documentation, and automation.
• Collaborate on a dynamic backlog and contribute to rapid iteration cycles.
   

Required skills:

• Strong hands‑on Python experience (primary requirement).
• Solid experience with React and TypeScript.
• Practical experience with AWS services.
• Ability to communicate clearly and proactively.
• Strong sense of ownership and responsibility for delivered work.
• Comfortable with heavy use of AI tools in daily development.
   

Interview Process

1. 1‑hour interview
2. Home task + follow‑up interview
    

About project: we are building a one‑stop‑shop AI agent for investment brokers in the US

We are looking for flutter developer for our music software

( work in Lviv or Kyiv,

remote work possibility ):

www.MusConv.com

About the project:

MusConv is b2c music software which helps people synchronize their music between music services: Spotify, Apple Music, YouTube Music, Amazon Music, Tidal and others.

We offer:

Challenging interesting project

Professional growth and development program

Flexible schedule

Team of highly talented individuals

Access to developer courses like https://www.pluralsight.com

Mentor: code reviews, studying

We are looking for flutter developer to implement new features

We are looking for C# developer for our music software

( work in Lviv or Kyiv,

remote work possibility ):

www.MusConv.com

About the project:

MusConv is b2c music software which helps people synchronize their music between music services: Spotify, Apple Music, YouTube Music, Amazon Music, Tidal and others.

We offer:

Challenging interesting project

Professional growth and development program

Flexible schedule

Team of highly talented individuals

Access to developer courses like https://www.pluralsight.com

Mentor: code reviews, studying( fiddler, postman, asynchronous programming, etc.)

5% of sources is simple gui based on xaml( avalonia similar to wpf )

95% of sources is regular .net standard( backend to interact with different music services )

We are looking for C# developer to implement new features

Dinarys GmbH is an Ecommerce Development Company helping retailers, brands, and manufacturers across DACH, the UK, and the US build, scale, and optimize their digital commerce solutions through custom development, architecture consulting, integrations, and AI-driven innovation.

We’re looking for a Product Data Specialist to support product data management and product launches for an international eCommerce business.

This role focuses on managing product information across ERP, PIM, DAM, and eCommerce platforms, ensuring data accuracy, completeness, consistency, and correct categorization. You will coordinate product data preparation for seasonal launches and new product introductions, making sure products are ready to be published correctly across online channels.

This is a functional, business-oriented role focused on product data quality and processes rather than software development.

Candidate Business Value

The Product Data Specialist will ensure that product information is accurate, consistent, and ready for online launches. By maintaining data quality across connected systems and coordinating product preparation, this role will support reliable product publication, smoother seasonal launches, and efficient eCommerce operations.

Responsibilities

• Manage and maintain product information across ERP, PIM, DAM, and eCommerce platforms.
• Coordinate end-to-end product data preparation for seasonal launches and new product introductions.
• Ensure product data accuracy, completeness, consistency, and correct categorization across systems.
• Manage product attributes, metadata, data mapping, and validation to ensure products are displayed correctly on eCommerce websites.
• Monitor product data flows between systems, identify inconsistencies, and coordinate issue resolution.
• Conduct regular data quality checks and support product data governance standards.
• Collaborate with business and technical teams to ensure product information is ready for publication and launches happen smoothly.

Requirements

• Proven experience in product data management, PIM, or eCommerce product operations.
• Hands-on experience managing product catalogs, product attributes, and data quality.
• Good understanding of product data flows across ERP, PIM, DAM, and eCommerce platforms.
• Experience supporting product launches in an eCommerce environment, including seasonal launches and new product introductions.
• Hands-on experience with systems such as M3, Brandmaster DAM, Adobe Commerce (Magento), and Centric, or similar platforms.
• Strong understanding of product data governance, categorization, metadata, and data mapping.
• Strong attention to detail and a structured approach to data validation and problem-solving.
• Fluent English.

Company Description

Are you passionate about embedded development and smart connected devices? We are looking for a Middle Embedded Software Developer to join Sigma Software and contribute to the development of innovative IoT-powered smart beverage solutions.
In this remote full-time position, you will work on modern embedded systems that combine real-time firmware, touchscreen interfaces, networking, computer vision, and secure OTA functionality. 
We at Sigma Software create opportunities to work with advanced technologies, distributed engineering teams, and meaningful products used in real-life environments. This role offers the chance to work on cutting-edge IoT solutions while growing your expertise in embedded systems and smart device engineering.
 

CUSTOMER

Our Customer is an international company specializing in IoT-based smart home and lifestyle solutions. The company develops connected products that combine embedded technologies, intelligent automation, safety, and seamless user experience to create modern smart ecosystems for consumers worldwide.

PROJECT

The project focuses on the development of the “Curated House System” — an innovative smart beverage solution that combines embedded systems, intelligent user interaction, and future cloud connectivity. The platform includes touchscreen interfaces, beverage dispensing control, face recognition capabilities, secure OTA firmware updates, and integration with multiple hardware peripherals and sensors.

As part of the project, you will work with both low-level firmware and system-level features to deliver a seamless and intelligent user experience for next-generation smart devices.

Job Description

• Design and implement embedded software components and hardware drivers for displays, cameras, sensors, and actuators
• Develop beverage dispensing logic, including temperature control, pumps, valves, and safety mechanisms
• Implement and maintain secure OTA firmware update functionality over HTTPS
• Develop and optimize embedded graphical user interfaces for LCD touchscreens
• Write clean, maintainable, and efficient C/C++ code
• Debug firmware and perform root-cause analysis on embedded hardware platforms
• Create and maintain technical documentation
• Conduct unit and integration testing on real hardware devices
• Support QA engineers during validation and troubleshooting activities
• Participate in sprint planning, estimation, and Customer communication
• Collaborate with architects, security specialists, and compliance engineers
• Ensure adherence to engineering best practices and quality standards

Qualifications

• At least 4 years of commercial experience in embedded software development using C/C++
• Strong expertise with STM32 and ARM Cortex-M architectures
• Familiarity with embedded platforms from NXP, TI, or Silicon Labs
• Hands-on experience with UART, I2C, SPI, and Wi-Fi communication interfaces
• Solid understanding of networking protocols including MQTT, DNS, DHCP, mDNS, TCP/IP, and UDP
• Experience with FreeRTOS or Zephyr RTOS
• Experience implementing secure boot, OTA updates, checksums, and firmware validation mechanisms
• Experience with bootloader development and firmware update support
• Understanding of cybersecurity principles for IoT and embedded systems
• Strong debugging and troubleshooting skills on real hardware

• Upper-Intermediate or higher English level

   

• WILL BE A PLUS
• Experience with camera integration, image capture, processing, or streaming
• Experience with face recognition technologies or embedded vision SDKs
• Experience with embedded file systems such as FatFS or LittleFS
• Experience with networking stacks such as lwIP
• Background in fluidics control systems, including pumps, flow sensors, or pressure sensors
• Experience working with FPGA or ASIC-based systems

Additional information

PERSONAL PROFILE

• Strong problem-solving and analytical thinking skills
• Ability to work independently and proactively in distributed teams
• Good communication and collaboration skills
• Attention to detail and commitment to engineering quality
• Ability to balance low-level hardware interaction with system-level thinking

We build subscription-based mobile apps and are launching a new direction: organic UGC on TikTok, Instagram Reels and YouTube Shorts. We’re not looking for someone who waits for tasks. We’re looking for a lead who will own this direction and build it from the ground up together with our COO.

Who we’re looking for

• Experience working with creators and influencers and running UGC campaigns at scale.
• Deep understanding of short-form content: hooks, video structure, native product integration, and why some videos take off while others don’t.
• Full ownership: you make decisions on your own, without needing approval for every step.
• Healthy initiative: when you see something that could work better, you propose it and make it happen.

• Fluent English: you’ll work with English-speaking creators across tier-1 and tier-2 markets.

   

What you’ll do

• Build the UGC direction from scratch together with the COO.
• Work directly with creators — up to 50 at a time: communication, motivation and content quality control.
• Write briefs, scripts and hooks, and hand them off to creators.
• Come up with and test content hypotheses.
• Track results and metrics.
• Prepare a weekly report on your work.

Bachelor's or Master's degree in Telecommunications, Software Engineering, Computer Science, or a related field

At least 3 years of experience in software testing, test automation, administration, or another IT-related field

Proficient understanding of various software testing methodologies and techniques

Experience in creating and maintaining testing documentation

Strong background working with Linux (or other Unix-based) operating systems

Knowledge of computer networks (Ethernet, TCP/IP)

Intermediate spoken and written English skills

Desired skills:

Experience with testing and developing embedded systems

Basic knowledge of one or more programming/scripting languages

Job Responsibilities

• Analyse and diagnose system regression tests to identify issues and improve performance
• Perform daily reporting about product quality to stakeholders
• Participate in the definition of test specifications for embedded systems
• Execute tests according to defined specifications, documenting results and reporting bugs
• Troubleshoot complex software/hardware systems and work with the development team to resolve issues
• Collaborate with cross-functional teams to ensure comprehensive testing and quality assurance of our products.

Department/Project Description

This organization is a prominent entity within the global semiconductor industry, specializing in the design and development of advanced integrated circuits and related technologies. It serves a diverse range of clients across various sectors, including telecommunications, automotive, and consumer electronics, by providing foundational components for next-generation devices. The company is recognized for its innovative contributions to wireless communication and embedded systems, enabling high-performance and energy-efficient solutions. Its market role involves driving technological advancements that underpin critical digital infrastructure and smart applications worldwide. The focus remains on delivering robust and scalable semiconductor products that meet evolving industry demands.

We’re looking for experienced an Affiliate Manager to join our team! In this role, you’ll be at the heart of our partner program, building relationships and driving success for our affiliates and the company alike.

Are you ready to elevate your career in an innovative and dynamic environment that values growth and collaboration? If you’re eager to make an impact and develop your skills alongside a passionate team, we’d love to hear you! Join us, and let’s take your career to the next level together.

HOW YOU WILL MAKE AN IMPACT

• Develop and present tailored partnership proposals, effectively negotiating terms to build mutually beneficial agreements with new and existing affiliates.
• Guide and support partners through every stage of the partnership, ensuring a seamless experience and fostering strong, long-term relationships.
• Drive retention and motivation among existing partners by creating customized offers for different partner segments, and implementing a loyalty system for high-potential affiliates.
• Monitor and ensure the quality and compliance of affiliate-posted materials, upholding brand standards and message consistency.
• Analyze partner traffic to establish a comprehensive reporting system, leveraging insights to optimize strategy and drive improvements in key performance indicators (KPIs).
• Analyze key performance metrics (ROI, LTV, NGR, GGR, ARPU, ROAS, etc.) and implement strategies to improve their efficiency and overall profitability.
• Increase customer acquisition by driving higher traffic flow from partner sites to our products. Achieve and exceed KPIs related to acquiring new clients and partners, setting the bar for growth and performance.
• Use CRM tools to accurately track, maintain, and manage all partner contacts, ensuring up-to-date records and efficient communication.

WHAT WILL HELP YOU SUCCEED IN THE ROLE

• Minimum of 1,5 years of proven experience in affiliate marketing within the iGaming and Betting industry.
• Upper-intermediate or higher proficiency in English.
• Strong analytical skills to evaluate and optimize traffic funnels, identifying the most effective paths to conversion.
• Proficiency in creating clear and detailed technical tasks for developers and designers.
• Excellent organizational and time management abilities to handle multiple partners and projects effectively.
• Your soft skills, as well as negotiation skills, should be top-notch.
• You are available to travel and attend the conferences.

HOW WE WILL KEEP YOU SMILING

• Flexible working hours and a remote work setup, so you can plan work around your life and not your life around work!
• Unlimited vacation days and paid sick leave—because your rest matters.
• A competitive compensation that truly reflects your skills and expertise.
• Employee referral bonus and gifts to celebrate your special occasions.
• 50% financial support for learning expenses to supercharge your professional growth!
• A positive atmosphere where you always feel respected and truly belong.
• Inspirational team-building activities that turn colleagues into best friends.
• Wellness benefits: We’ll support your sports passions, from yoga classes to gym memberships.
• Co-working space reimbursement to save your nerves from always working from home :)

We are launching a new, standalone direction focused on affiliate lead generation and partner networking. This is not a classic Affiliate Manager role. The position is centered around first contact, relationship-building, and lead generation, with strong emphasis on personal presentation, communication skills, and networking ability.

The Affiliate Lead Generator represents the company at international events, online platforms, and in direct communication with potential partners.

HOW YOU WILL MAKE AN IMPACT

• Generate a steady flow of new affiliate leads
• Establish first contact with potential partners (online and offline)
• Warm up and pre-qualify partners before handoff to the Affiliate team
• Actively communicate with affiliates via messengers, social platforms, and email
• Attend international industry events (e.g. Sigma, SBC, etc.) and participate in live networking
• Represent the company in a professional, confident, and engaging manner

WHAT WILL HELP YOU SUCCEED IN THE ROLE

• Well-groomed, presentable, modern appearance
• Confident and comfortable in public and online communication
• Strong interpersonal and communication skill
• Ability to build rapport quickly and naturally
• Comfortable with networking, live conversations, and follow-up messaging
• Good conversational English (spoken communication is essential)
• Willingness and availability to travel internationally

HOW WE WILL KEEP YOU SMILING

• Flexible working hours and a remote work setup, so you can plan work around your life and not your life around work!
• Unlimited vacation days and paid sick leave—because your rest matters.
• A competitive compensation that truly reflects your skills and expertise.
• Employee referral bonus and gifts to celebrate your special occasions.
• 50% financial support for learning expenses to supercharge your professional growth!
• A positive atmosphere where you always feel respected and truly belong.
• Inspirational team-building activities that turn colleagues into best friends.
• Wellness benefits: We’ll support your sports passions, from yoga classes to gym memberships.
• Co-working space reimbursement to save your nerves from always working from home :)

Up4 Play — Ordinary games made extraordinary
Ми створюємо мобільні ігри, які заряджають позитивом, захоплюють із першого кліку та залишають післясмак "Вау!". У звичайних механіках ми бачимо простір для емоційних пригод — яскравих, драйвових, веселих.

Ми — продуктова команда, яка створює сучасний Social Casino сервіс з нуля.
Наша мета — побудувати масштабовану та якісну екосистему мобільних ігор, що поєднує найкращі практики з геймдева, аналітики та монетизації.

Твоя роль:

• Очолювати напрямок Unity-розробки: приймати технічні рішення, формувати архітектуру проєкту.
• Розробка мобільного додатку з нуля — від ідеї до релізу й підтримки.
• Повний цикл розробки: планування, дизайн, реалізація, тестування, підтримка.
• Написання чистого, підтримуваного та ефективного коду.
• Проведення code review, оцінка складності задач та контроль дедлайнів.
• Оптимізація продуктивності гри для мобільних платформ (FPS, пам’ять, розмір білду).
• Робота з UI/UX, графікою, анімацією в Unity.
• Взаємодія з бекенд-розробниками, аналітиками, продактами.
• (Бажано) Досвід у жанрі social casino: слоти, RTP, бонусні механіки.
• (Опціонально) Лідерство: технічне менторство, постановка задач, контроль якості.
   

Що потрібно:

• 5+ років досвіду розробки в Unity (фокус на мобільні 2D-проєкти, з адаптацією під iOS).
• Відмінне знання Unity: 2D, анімація, Prefabs, ScriptableObjects, UI, Render Pipeline, Editor scripting.
• Розробка застосунків з нуля: від білду до релізу (iOS/Android).
• Знання клієнт-серверної архітектури, інтеграція з бекендом.
• Досвід із Addressables, TextMeshPro, DOTween, Zenject, Firebase тощо.
• Інтеграція аналітики, реклами, оплат, пушів, A/B тестування.
• Досвід з VFX, Spine/Unity Animation, шейдерами, постобробкою.
• Розуміння обмежень iOS, Android, WebGL, UWP.
• Оптимізація білду, FPS, пам’яті.
• Плюсом буде досвід із CI/CD, Unity Cloud Build, кастомними пайплайнами.
• Досвід з highload проєктами та створення внутрішніх тулінгів — також плюс.
   

Що пропонуємо ми:

• Повна гнучкість: працюй з дому, з офісу в Києві чи Варшаві, або комбінуй.
• Гнучкий графік — обирай свій ритм роботи.
• 27 оплачуваних робочих днів відпочинку на рік.
• Team Challenge та корпоративні активності, які справді хочеться відвідати.
• Можливість впливати на продукт і технічні рішення.
• Простір для розвитку — твої ідеї не просто слухають, а реалізовують.

Up4 Play — Ordinary games made extraordinary
We create mobile games that spark joy, capture attention from the first click, and leave a lasting “Wow!” impression. In simple mechanics, we see a space for emotional adventures — vibrant, dynamic, and fun.

We are a product team building a modern Social Casino platform from scratch.
Our goal is to craft a scalable, high-quality mobile gaming ecosystem by combining the best practices of game development, analytics, and monetization.
 

Your Role:

• Lead Unity development, drive architectural and technical decisions.
• Build a mobile app from the ground up — from concept to release and support.
• Be involved in the full development cycle: planning, design, implementation, testing, support.
• Write clean, maintainable, and efficient code.
• Conduct code reviews, estimate timelines, and ensure delivery.
• Optimize game performance for mobile (FPS, memory, build size).
• Work with UI/UX, animations, and graphic assets in Unity.
• Collaborate with backend engineers, analysts, and product teams.
• (Nice to have) Experience with social casino: slots, RTP, bonus systems.
• (Optional) Team leadership: task planning, technical mentorship, quality control.
   

What We’re Looking For:

• 5+ years of Unity development (focus on 2D mobile, iOS adaptation required).
• Deep Unity expertise: 2D animation, Prefabs, ScriptableObjects, UI, Render Pipeline, Editor scripting.
• Proven experience building mobile apps from scratch (iOS/Android release).
• Strong understanding of client-server architecture, backend integration.
• Hands-on with Unity/third-party libraries: Addressables, TextMeshPro, DOTween, Zenject, Firebase, etc.
• Integration experience: analytics, ads, in-app purchases, push notifications, A/B testing.
• Experience with VFX, Spine/Unity animation, shaders, post-processing.
• Understanding of platform-specific constraints: iOS, Android, WebGL, UWP.
• Skilled in mobile optimization (FPS, memory, build size).
• Bonus: experience with CI/CD, Unity Cloud Build, custom build pipelines.
• Bonus: internal tooling for product/design workflows.
   

What We Offer:

• Full flexibility: work from home, our offices in Kyiv or Warsaw, or mix it up.
• Flexible schedule — find your ideal rhythm.
• 27 paid vacation days per year.
• Team challenges and events you’ll actually want to attend.
• Real impact — your ideas shape the product and company future.
• Space to grow — your voice is heard and your solutions implemented.

Your future responsibilities:

• Conversation Design
  • Design end-to-end customer conversations for AI assistants across banking use cases.
  • Create dialogue flows, conversation scenarios and response strategies for real-world customer interactions.
  • Define assistant behavior, personality, tone of voice and communication principles.
  • Design handling of ambiguous requests, error situations, escalations and fallback scenarios.
  • Build reusable conversation patterns that can scale across multiple products and services.
• Generative AI & Prompt Design
  • Develop, test and optimize prompts for LLM-powered assistants.
  • Design and refine AI instructions, guardrails and response frameworks.
  • Collaborate with AI engineers to improve response quality and customer experience.
  • Support implementation of RAG and Agentic AI capabilities.
  • Evaluate AI answers for accuracy, consistency, compliance and customer value.
• Continuous Improvement
  • Analyze conversation logs and customer interactions.
  • Identify friction points, failure patterns and opportunities for improvement.
  • Define and monitor conversational KPIs.
  • Participate in AI testing, evaluation and prompt optimization cycles.
  • Drive ongoing improvements in containment, resolution and customer satisfaction.

Your skills and experience:

• 3+ years of experience in Conversation Design, Chatbot Design, Voicebot Design, Conversational UX or related fields.
• Experience designing customer interactions for chatbots, virtual assistants or AI-powered services.
• Experience working with Generative AI and Large Language Models.
• Understanding of conversation architecture, dialogue design and natural language interaction principles.
• Experience writing, testing and improving prompts.
• Strong analytical skills and ability to work with conversation logs and interaction data.
• Excellent written communication skills.
• Fluent English.

Nice to have:

• Experience with banking, fintech or customer service environments.
• Experience with RAG solutions and Agentic AI systems.
• Experience with platforms such as Genesys, Cognigy, Kore.ai, Microsoft Copilot Studio, Dialogflow or similar.
• Knowledge of conversational analytics and evaluation methodologies.
• Experience designing both chat and voice experiences.

We offer what matters most to you:

• Competitive salary: we guarantee a stable income and annual bonuses for your personal contribution. Additionally, we have a referral program with rewards for bringing in new colleagues to Raiffeisen Bank. 
• Social package: official employment, 28 days of paid leave, additional paternity leave, and financial assistance for parents with newborns. 
• Comfortable working conditions: possibility of a hybrid work format, offices equipped with shelters and generators, modern equipment. 
• Wellbeing program: all employees have access to medical insurance from the first working day; consultations with a psychologist, nutritionist, or lawyer; discount programs for sports and purchases; family days for children and adults; in-office massages. 
• Training and development: access to over 130 online training resources; corporate training programs in CX, Data, IT security, leadership, agile, сorporate library. 
• Great team: our colleagues form a community where curiosity, talent, and innovation are welcome. We support each other, learn together, and grow. You can find like-minded individuals in over 15 professional communities, reading clubs, or sports clubs. 
• Career opportunities: we encourage advancement within the bank across functions. 
• Innovations and technologies: Infrastructure: AWS, Kubernetes, Docker, GitHub, GitHub actions, ArgoCD, Prometheus, Victoria, Vault, OpenTelemetry, ElasticSearch, Crossplain, Grafana. Languages: Java (main), Python (data), Go (infra, security), Swift (IOS), Kotlin (Android). Data stores: Sql-Oracle, PgSql, MsSql, Sybase. Data management: Kafka, AirFlow, Spark, Flink. AI: building expertise and actively integrating into processes. 
• Support program for defenders: we maintain jobs and pay average wages to mobilized individuals. For veterans, we have a support program and develop the Bank’s veterans community. We work on increasing awareness among leaders and teams about the return of veterans to civilian life. Raiffeisen Bank has been recognized as one of the best employers for veterans by Forbes. 

Why Raiffeisen Bank? 

• Our main value is people, and we support and recognize them, educate them and involve them in changes. Join Raif’s team because for us YOU matter! 
• One of the largest lenders to the economy and agricultural business among private banks. 
• Recognized as the best employer by EY, Forbes, Robota.ua, Stud-Point, Delo.UA, NV, Odgers, UAFIC. 
• The largest humanitarian aid donor among banks (Ukrainian Red Cross, UNITED24, Superhumans, СМІЛИВІ). 
• One of the largest IT product teams among the country’s banks. 
• One of the largest taxpayers in Ukraine; 6 billion UAH were paid in taxes in 2025. 

Opportunities for Everyone: 

• Raif is guided by principles focused on human development and the well-being of 5,000 employees and over 2.5 million clients. 
• We uphold the principles of diversity, equity, and inclusion. 
• We are open to hiring veterans and people with disabilities and are ready to adapt the work environment to meet your specific needs. 
• We collaborate with students and experienced professionals alike, creating opportunities for growth at every stage of a career 

You matter at Raif! 

Want to learn more? — Follow us on social media:

Facebook, Instagram, LinkedIn

Your future responsibilities:

• Design and develop conversational AI and agentic solutions for mobile banking customer support
• Build AI orchestration and dialogue flows integrating multiple specialized AI agents and backend capabilities
• Integrate AI agents using A2A (Agent2Agent) and MCP (Model Context Protocol)
• Design and implement RAG-based solutions using different retrieval strategies, knowledge sources and vector databases
• Build search and reasoning graphs for multi-step customer request resolution
• Integrate AI solutions with banking APIs and customer data, ensuring secure and controlled access
• Develop microservices and REST APIs supporting AI and agent workflows
• Implement tool calling, function calling and agent-to-agent workflows
• Build reliable routing, fallback and human handoff mechanisms
• Develop automated tests for AI workflows, integrations and APIs
• Build and maintain CI/CD pipelines
• Monitor, troubleshoot and continuously improve AI solutions in production

Your skills and experience:

Core Software Engineering (Must Have)

• Strong commercial experience in Java and building scalable microservices / distributed systems.
• Solid understanding of software architecture, clean code principles, design patterns, and RESTful API design.
• Experience integrating complex enterprise APIs and heterogeneous data sources with robust auth/security (OAuth2, OIDC, secrets management).

AI & Agentic Systems (Must Have)

• Proven track record of developing production-grade LLM-powered applications, AI agents, and workflows (state machines / graphs).
• Hands-on experience with RAG architectures: advanced retrieval (hybrid, semantic, reranking), embeddings, and vector databases.
• Deep understanding of tool/function calling, context management, and emerging protocols (MCP, Agent-to-Agent).
• Awareness of LLM-specific security & safety: prompt injection mitigation, sandboxed tool execution, data privacy, and access controls.

Infrastructure, Testing & Observability

• Cloud & DevOps fundamentals: AWS, Docker, Kubernetes, CI/CD, and Linux.
• Strong testing culture: unit/integration testing, testing distributed systems, and evaluation of non-deterministic LLM outputs.
• Production observability: distributed tracing, logging, metrics, and AI tracing/evals.

Nice to Have

• Experience with frameworks and orchestrators: LangGraph, LangChain, ADK, or similar.
• Hands-on experience with Qdrant, OpenSearch, or Elasticsearch.
• Building and operating MCP servers in enterprise environments.
• Event-driven architectures (Kafka, RabbitMQ, SQS).

We offer what matters most to you:

• Competitive salary: we guarantee a stable income and annual bonuses for your personal contribution. Additionally, we have a referral reward program for attracting new colleagues to Raiffeisen Bank
• Social package: official employment, 28 days of paid leave, additional “maternity leave” for fathers, and financial assistance for parents upon the birth of children
• Comfortable working conditions: the possibility of a hybrid work format, offices equipped with shelters and generators, provision with modern equipment
• Wellbeing program: all employees have access to medical insurance from the first working day; consultations with a psychologist, nutritionist or lawyer; discount program for sports and shopping; family days for children and adults; massage in the office
• Learning and development: access to over 130 online educational resources; corporate training programs, online library, mentoring program
• A great team: our colleagues are a community where curiosity, talent and innovation are welcomed. We support each other, learn together and grow. You can find like-minded people in over 15 professional communities, reading or sports clubs
• Career opportunities: we encourage advancement within the bank between functions
• Innovation and technology. Infrastructure: AWS, Kubernetes, Docker, GitHub, GitHub actions, ArgoCD, Prometheus, Victoria, Vault, OpenTelemetry, ElasticSearch, Crossplain, Grafana. Languages: Java (main), Python (data), Go (infra, security), Swift (IOS), Kotlin (Andorid)Datastores: Sql-Oracle, PgSql, MsSql, Sybase. Data management: Kafka, AirFlow, Spark, Flink, we develop expertise in AI and actively integrate it into processes
• Support program for defenders: we preserve jobs and pay the average salary to mobilized people. We have a support program for veterans, and the Bank’s veteran community is developing. We are working to raise awareness among managers and teams on the issues of veterans’ return to civilian life. Raiffeisen Bank is recognized as one of the best employers for veterans (Forbes)

Why Raiffeisen Bank?

• Our main value is people, and we support and recognize them, educate them and involve them in changes. Join Raif’s team because for us YOU matter!
• One of the largest lenders to the economy and agricultural business among private banks
• Recognized as the best employer by EY, Forbes, Randstad, Franklin Covey, and Delo.UA
• The largest humanitarian aid donor among banks (Ukrainian Red Cross, UNITED24, Superhumans, СМІЛИВІ)
• One of the largest IT product teams among the country’s banks. • One of the largest taxpayers in Ukraine; 6.6 billion UAH were paid in taxes in 2023.

Opportunities for Everyone:

• Raif is guided by principles that focus on people and their development, with 5,500 employees and more than 2.7 million customers at the center of attention
• We support the principles of diversity, equality and inclusiveness
• We are open to hiring veterans and people with disabilities and are ready to adapt the work environment to your special needs
• We cooperate with students and older people, creating conditions for growth at any career stage

You matter at Raif!

Want to learn more? Follow us on social media:

Facebook, Instagram, LinkedIn