Jobs Kyiv

We are a British—Ukrainian air defence tech company building distributed systems across the frontline. We are looking for an Embedded Software Engineer who will take full ownership of firmware and embedded systems running on edge devices in harsh, real-world environments.
 

Our core value is impact for Ukraine: we build technology that makes a real difference on the actual battlefield, not in labs or on paper specs. We operate with a deep-tech mindset, pushing new technologies where engineering rigor truly matters. We value ownership and responsibility—people who execute, deliver, and stand behind the results.

Key Responsibilities

• Firmware Development: Develop firmware for STM32 (ARM Cortex-M) and ESP32 microcontroller series.
• Embedded Linux: Configuration and development for Raspberry Pi.
• Peripheral Integration: Work with I2C, SPI, UART, CAN and other protocols.
• Host-Side Development: Write supporting software, automation scripts, and monitoring systems in Python.

• System Design: Design architecture for industrial solutions with high fault tolerance; build reliable systems where operational stability is the priority.

   

Requirements

Must Have

• 2+ years of experience in embedded systems development
• Deep knowledge of C/C++ for microcontrollers
• Experience with FreeRTOS (architecture, semaphores, queues)
• Ability to read electrical schematics and use measurement equipment (oscilloscope, logic analyzer)
• Understanding of stable industrial system development principles (watchdogs, error handling, operation in interference conditions)

• English level: Intermediate or higher

   

Strong Plus

• Experience in PCB design (Altium Designer, KiCad, or EasyEDA)
• Experience with ROS and ROS2
• Rapid prototyping skills: working with 3D printers (FDM/SLA) for creating enclosures or mounts
• Experience with network protocols (MQTT, HTTP, WebSocket) on ESP32/Linux

We are a British—Ukrainian air defence tech company building distributed systems across the frontline. We are looking for a Senior AI Platform Engineer to take ownership of the data and ML infrastructure behind our current and future inference products.

Our core value is impact for Ukraine: we build technology that makes a real difference on the actual battlefield, not in labs or on paper specs. We operate with a deep-tech mindset, pushing new technologies where engineering rigor truly matters. We value ownership and responsibility—people who execute, deliver, and stand behind the results.

What you’ll do

• Build production-grade data collection, labeling, and dataset curation pipelines for inference models, with especial focus on CV models
• Design workflows for annotation, quality control, and continuous dataset improvement
• Set up model deployment, experiment tracking, versioning, and monitoring
• Support & optimize training and inference runtime pipelines in production environments
• Help run experiments, evaluate results, and improve system performance
• Help define the architecture and engineering standards for ML infrastructure across product lines

Requirements:

• Strong MLOps experience building data pipelines, labeling workflows, model deployment & production optimization, experiment tracking, and orchestration
• Background in Machine Learning / Computer Vision and experience with popular ML frameworks
• Ability to be involved in research process: help experiment, evaluate, deploy, improve
• Strong analytical thinking and solid foundations in linear algebra, probability, and statistics
• English: B1 or higher (working w/ international team members)

Nice to Have

• Experience in DefenseTech, SigInt, or embedded systems
• Understanding of RF-related data or sensor-driven ML systems
• Experience with real-time or low-latency ML pipelines
• Background in active learning, human-in-the-loop labeling, or continuous retraining workflows

We Offer

• Meaningful and high-impact work in the AIR defense domain
• Practical R&D environment with real autonomy
• Direct influence on technical decisions and the product direction
• Work in an experienced senior engineering team
• Сlear, fast, senior-to-senior communication with a minimum number of team meetings
• Remote, hybrid or offline Full-time position with office in the center of Kyiv

We’re looking for an experienced Linux engineer whose primary responsibility will be integrating various SDR (Software Defined Radio) devices into our software platform. This is a role for those who love working at the hardware-software boundary, understand how data travels from physical ports to high-level applications, and can make that path as fast and reliable as possible.

What you’ll do:

• Integrate different SDR models into a unified Linux-based ecosystem
• Work with vendor SDKs and develop high-performance userspace applications
• Optimize high-throughput data processing in real-time
• Write clean, stable, and performant code in C++ or Python

• Debug inter-process communication, manage buffering and latency

   

Requirements:

• 5+ years of professional Linux systems experience
• Linux Power User: comfortable in terminal, understands kernel-space vs user-space, knows systemd and driver configuration
• Hardware Interface Expert: hands-on experience with USB 2.0/3.0, Ethernet, or other high-throughput interfaces
• Data Stream Architect: understands IPC principles, ring buffers, memory overflow prevention, and latency minimization for raw data transmission
• C++ Developer: writes reliable code that doesn’t crash on the first unexpected packet from hardware

• English: B2 or higher

   

Nice to have:

• SDR experience: familiar with RTL-SDR, HackRF, USRP, or has GNU Radio experience
• Experience with ROS/ROS2 (node development, topics/services)
• Understanding of data transmission protocols and digital signal processing (DSP)

• Hobbies related to electronics, radio communication, or robotics

   

We offer:

• Meaningful, high-impact work in Ukraine’s air defense domain
• Deep-tech engineering challenges where rigor and performance matter
• High ownership and autonomy from day one
• Work format: Kyiv office with occasional remote days
• Senior engineering team with direct communication and minimal bureaucracy
• Full-time position with standard hours; occasional off-hours for testing/updates

Adaptiq, on behalf of AppsFlyer, is looking for a Data Engineer

About AppsFlyer (Kyiv):

AppsFlyer provides a SaaS marketing analytics platform that measures and optimizes marketing activities across mobile, web, CTV, PC, and console applications. AppsFlyer is known for its massive backend production. At any given moment, thousands of servers are consuming 150+ billion mobile app events, crunching our users’ data, serving requests, and communicating on a massive scale.

To maintain the universe we call AppsFlyer, we practice modern production operations with a complete self-serve CI/CD platform, a highly integrated observability stack for our micro-services, backends, and infrastructure, a culture of ownership and eagerness for quality.

The Analytics group is responsible for showing our clients the stories their data is telling. Through complex aggregation, mission-tailored analytical databases, and carefully crafted APIs we are able to provide slice-and-dice analysis in our beautiful dashboards and through the use of external integrations.

About the Role:

As a Data Engineer in AppsFlyer’s Analytics group, you will be responsible for the full lifecycle of event data — from ingestion and processing to storage, modeling, and delivery through APIs.

You will build and maintain data pipelines with Apache Airflow and Spark, evaluate and optimize analytical databases, and integrate new components within a hybrid microservices architecture. You will work closely with product managers and cross-functional engineering teams, handle production issues, and take part in the company’s migration toward Google Cloud and BigQuery.

This role provides a high level of ownership over feature design, direct impact on a platform processing billions of events every day, and opportunities to contribute to open-source initiatives or share expertise at industry events.
 

Key Responsibilities:

• Develop and support data processing pipelines using Apache Airflow, Scala Spark, or PySpark.
• Select, design, and optimize analytical databases for high-volume, low-latency queries.
• Build backend services and APIs for data ingestion, aggregation, and customer-facing data consumption.
• Monitor system reliability and performance, investigate issues, and resolve production incidents.
• Partner with product managers and engineering teams to plan, design, and deliver complex features.
• Support migration initiatives to Google Cloud Platform, BigQuery, and modern data technologies.
• Participate in on-call rotations, PagerDuty alerts, and incident response processes.
• Document architecture, data flows, and technical decisions while maintaining high code quality and test coverage.
   

Required Competence and Skills:

• 3+ years of software development experience with a strong focus on data engineering.
• Hands-on experience with Apache Spark, using either Scala or PySpark.
• Practical experience with Apache Airflow.
• Background in building and maintaining distributed data systems with high throughput and low latency.
• Strong SQL knowledge and experience with data modeling for analytical use cases.
• Experience with JVM-based languages such as Scala, Java, or Clojure, or Python for backend development.
• Experience with cloud platforms, preferably GCP, and data warehouses such as BigQuery.
• Proven ownership of production systems, including on-call responsibilities and incident management.
• Strong English communication skills for working in a distributed environment.
• B.Sc. in Computer Science or equivalent practical experience.
   

Nice to Have:

• Production experience with large-scale databases and ETL tools.
• Hands-on experience with backend services written in Go or Clojure.
• Experience building production-grade BigQuery ETL processes and data pipelines.
• Contributions to open-source projects or experience speaking at meetups, conferences, or industry events.
• An AI-oriented mindset, including familiarity with tools such as GitHub Copilot and modern AI-assisted workflows.
  
  Benefits Package:
• Health insurance.
• Paid unlimited vacation days, national holidays, and additional recharge days.
• Meal reimbursement.
• Sport reimbursement.
• Breakfast in the office.
• Mental health program.
• Team buildings, happy hours, and other team activities.
• Paid sick leave.
• Snacks, fruits, and ice-cold beer in the office.
• Brand-new Mac laptop, two monitors, and a starter package for every new team member.

About the role

We're looking for a Head of R&D — someone who combines strong technical leadership with a product-oriented mindset. You'll own the engineering strategy, lead development teams, and stay closely connected to product goals — from discovery through delivery. This is a role for someone equally comfortable discussing system architecture and talking OKRs with the business.

Responsibilities

• Lead multiple engineering teams through Team Leads — set direction, unblock teams, and develop people
• Own end-to-end delivery: backlog planning, prioritization, progress tracking, and release management
• Serve as the primary interface between Engineering and Product Management — translate product vision into technical decisions
• Mentor Team Leads and senior engineers in their professional growth
• Define and drive engineering standards: CI/CD, automated testing, code review, and performance monitoring
• Participate in product discovery: shape hypotheses, analyse metrics, and influence the roadmap
• Identify technology opportunities — including AI/ML — and translate them into concrete product and engineering initiatives
• Run regular 1:1s, performance reviews, and people processes in partnership with the HR team

Requirements

• 7+ years in software engineering, with 3+ years in an engineering or product leadership role
• Strong engineering background — you can engage at the architecture, code review, and technical decision-making level
• Proven experience leading multi-disciplinary Agile teams (Scrum, Kanban)
• Solid hands-on knowledge of CI/CD, automated testing, release management, and monitoring practices (Atlassian, Git, etc.)
• Understanding of current AI trends with practical experience applying them — whether to optimize workflows or build intelligent product features
• Ability to read product metrics, interpret A/B experiments, and make data-driven decisions
• Excellent communication skills — you can make complexity simple for both engineers and business stakeholders
• English B2+ 

Nice to have

• Experience in live streaming, mobile applications, or high-concurrency consumer platforms
• Background in gaming, entertainment tech, or creator economy products
• Experience working in international teams distributed across multiple time zones

What we offer

• International company with several offices in different locations : Tel-Aviv, Kyiv, Warsaw, Limassol.
• Granting an Option;
• A professional environment with great people to work with;
• Competitive salary, performance review;
• Flexible working hours, no one here tracks your work time because our culture is built on trust and cooperation;
• Social and welfare packages;
• 20 working days paid vacation and 100% sick leaves coverage;
• Opportunities to make a difference, to develop and grow;
• Regular corporate celebrations, team buildings and fun activities;
• Comfortable office close to the metro station. Our Kyiv office is open 24/7 with all safety and health measures in place.

Responsibilities:

• Own and support core ML infrastructure (MLflow, CVAT, GPU/CPU cloud instances, internal data tools).
• Assist Data Engineers with deploying and maintaining data pipelines.
• Act as the primary contact for ML and Data teams on infra-related requests.
• Improve reliability and efficiency by adding automation, monitoring, and tooling enhancements.
   

Must have:

• Knowledge of Python, Terraform, Docker, Linux.
• Hands-on experience with cloud environments (Azure prefered).
• Understanding of the end-to-end ML lifecycle (data → training → evaluation → deployment → monitoring).

Nice to have:

• Familiarity with Kubernetes.
• Experience with FFmpeg or GStreamer for video processing and streaming.
• Experience with model serving frameworks and inference formats (ONNX, TensorRT, OpenVINO, NVIDIA Triton).
• Experience deploying computer vision models, especially to edge/embedded devices (NVIDIA Jetson, Intel platforms, Raspberry Pi).

• Надаємо бронювання від мобілізації

King Group is an international product IT company that develops and scales its own digital products for users worldwide.

We are currently looking for an RTB Manager to help grow our advertising infrastructure, work with partners, and ensure the efficient operation of our RTB platform.
 

Key Responsibilities

• Administer and maintain the Adtelligent RTB platform.
• Configure and launch new SSP and DSP integrations.
• Conduct technical onboarding of partners.
• Monitor platform performance and promptly resolve technical issues.
• Optimize auction settings and bidding strategies.
• Analyze technical performance metrics and platform efficiency.
• Prepare technical reports for internal stakeholders.
• Maintain and update technical documentation.

Must-have

• Experience working with RTB/programmatic advertising platforms.
• Solid understanding of OpenRTB, SSP, and DSP ecosystems.
• Experience with API-based technical integrations.
• Ability to work with technical documentation in English.
• Basic SQL knowledge.
• Strong analytical and systematic thinking skills.
   

Nice-to-have

• Experience with the Adtelligent platform.
• Experience working with white-label RTB solutions.
• Technical or relevant higher education background.
• Experience within adtech companies and programmatic advertising ecosystems.
   

We Are Looking for Someone Who

• Takes ownership of the stability and reliability of technical systems.
• Can quickly identify and resolve technical issues.
• Works independently and delivers results.
• Is detail-oriented and highly organized.
• Can clearly explain complex technical concepts to colleagues and partners.
• Is eager to learn new technologies and tools.
   

What We Offer

• Competitive compensation with a transparent, uncapped bonus system.
• Direct impact on the growth of the company’s international business.
• Proprietary products and fast decision-making without excessive bureaucracy.
• Full support from marketing, analytics, and finance teams.
• Participation in leading international conferences and business trips abroad.
• Modern office equipped with generators, stable internet, and comfortable infrastructure.
• Flexible working hours with a start time between 8:00 AM and 11:00 AM.
• Opportunity to work remotely one day per week.
   

If you are excited about working with Tier-1 markets, scaling a global partner network, and making a real impact on business results, we would love to hear from you.

SKELAR is a venture builder that builds international product IT companies, where we recreated the venture capital world. Together with our co-founders, we gather strong teams to kick off and run tech businesses and win at global markets.

We are currently seeking an International Tax Lawyer.

Our Tax and Legal team handles complex cases and provides top-level legal support in all fields of law.

Responsibilities / Your Impact:

• Comprehensive tax analysis of the complex international transactions and structures.
• Design and implementation of the best tax practices to the everyday Group’s operations.
• Analysis of the main legislation initiatives in the field of international taxation.
• Delivering the tailor-made solutions for the businesses from the tax&structuring perspective (exploring new markets; launching new products etc.).
• Advising colleagues from different departments on the tax side of different business decisions.

Required qualifications and skills:

• 5+ years of experience in law firms / Big 4 / local or international top-tier companies within the respective domain.
• A degree in law from a Ukrainian or foreign university
• Fluent English
• Initiative and willingness to work on a broad variety of legal matters and to think creatively to solve complex legal issues
• Action-oriented, well-organized, self-starter
• Skillful translator of complex legal issues into plain business solutions
• Excellent interpersonal and communication skills, both written and verbal

Will be a plus:

• Expertise in complex M&A deals
• Strong understanding of the contemporary OECD developments in the field of international taxation
• Participation in moot court competitions will be an advantage

SKELAR is a place for self-realization of talents who can create successful companies. We call such companies the next big everything. We believe in their power and scale.

We will keep developing tech businesses, conquer global markets, and work for the victory of Ukraine 🇺🇦

What we offer:

• Competitive salary
• Significant impact on a rapidly growing business and contribution to how it shapes up
• Ample career opportunities for ambitious growth and development
• Working alongside professionals from top local and international companies (Big Law, Big 4, McKinsey, Horizon, Bolt, Didi, etc.) who have launched more than one business and can share practical experience, insights and ideas
• Flat organizational structure without hierarchical barriers
• A possibility to attend internal, external courses, seminars and the access to a corporate library
• Comfortable working environment. We provide all necessary work equipment for your role and serve complimentary breakfasts, lunches, and snacks in the Kyiv office
• 20 days of paid vacation, medical insurance and a variety of sports activities available for employees inside and outside the office

In addition to our businesses, we have the SKELAR Foundation — a charitable foundation created by company employees. As part of the initiative, we create and finance projects that contribute to overcoming the consequences of the war and the reconstruction of Ukraine.

We will keep developing tech businesses, conquer global markets, and work for the victory of Ukraine 🇺🇦

Let's build the next big everything together!

Responsibilities:
- Implementing new graphics features and supporting existing in the proprietary game engine (PC and consoles)
- Performing render pipeline optimizations
- Bug fixing

Requirements:
- 2+ years of experience with game rendering techniques.
- Strong knowledge of DirectX API (11 and 12 versions).
- Strong knowledge of C++ and shader languages.
- Strong math skills, including trigonometry and linear algebra.
- Experience with GPU debug and profiling tools.

Will be a plus:
- Understanding of modern GPU architectures
- Console rendering specific experience (PlayStation, Xbox)
- Understanding of memory management, multi-threaded programming
- Experience with complex game engines and production pipelines
- Own pet projects related to game engines, rendering
- Good level of English communication
 

Hello! We are Moodro — a team developing autonomous intelligent counter-UAV solutions. Our mission is to protect the lives of military personnel and give them a tactical advantage on the battlefield through innovative anti-drone technologies.

Our solutions are already operating in real combat conditions and strengthening Ukrainian frontline units every day.

About us in facts

• Our systems are used daily by 100+ combat units
• 1,500+ EW/ELINT stations have already been delivered to the front line
• We have official NATO codification and validation from specialized military units
• Our team includes veterans and engineers who regularly test developments at training grounds

We are growing rapidly and looking for a CHRO / Chief People Officer who will build a strong HR function and become a strategic partner to the C-level team.

This role is for an HR professional and leader who knows how to turn a scaling stage into a well-managed, efficient organization — without losing speed, by building strong management practices, high-quality hiring, and transparent people processes.

Key Areas of Responsibility:

• Build a comprehensive HR function: form the HR team, define and implement key HR processes that will support the company’s high-quality growth by 2x over the next 6 months.
• Strengthen the management team: improve people management standards and shape a culture where accountability, people development, and effective leadership are part of the company’s daily rhythm.
• Develop a data-driven recruitment strategy focused on quality of hire, including a dedicated approach to attracting engineering and technical talent in a competitive miltech environment.
• Build a transparent compensation model with clear internal logic and market-based rationale, and adapt it in a timely manner according to business needs and market realities.
• Ensure a reliable HR operating model under martial law, including military registration, employee reservation/booking processes, interaction with state authorities, and risk management.
• Develop HR analytics as a management tool for making effective data-based decisions.
• Implement modern tools for automating HR processes, documentation, and analytics.

You are our candidate if you

• Have 3+ years of experience as a CHRO, Head of HR, or HRBP in a company that scaled from 150+ employees — and have personally built or transformed an HR function that directly contributed to achieving the company’s business goals.
• Have experience managing an HR team: building the structure, distributing areas of responsibility, and developing people within the team.
• Act as a business partner to the CEO and leadership team: you know how to prioritize, highlight risks, align areas of responsibility, and drive decisions through to implementation.
• Combine strategic thinking with the willingness to personally launch key processes without waiting for ideal conditions.
• You are fluent in English.

Nice to have

• Experience in hardware, miltech, or deeptech companies.

Why Moodro?

• Shared values and a strong environment

  Moodro brings together veterans, engineers, and diverse specialists. We are building a culture of trust, responsibility, and direct communication. Here, we value real contribution and the ability to take ownership of results — not titles or status.

• Opportunity to build a function with real impact

  The company is at a scaling stage, so this role offers the opportunity to build a mature HR function: management practices, recruitment, internal communications, leadership development, and a culture of accountability.

• Flexible work format

  Our hubs in Kyiv and Kharkiv are open to the team, and we also support a hybrid work model.

• Meaningful work

  The Moodro team creates technologies that help protect the lives of military personnel. As Chief People Officer, your work will contribute to building the team behind solutions with real battlefield impact.

• Stability and transparency

  Official employment, transparent financial processes, and social guarantees in accordance with Ukrainian legislation.

How to apply

If this role resonates with you, please send your CV or LinkedIn profile.

We would be glad to meet you and discuss potential cooperation.

SBC Performance drives scalable growth for brands ready to expand globally.

Working across eCommerce, health & wellness, education, and entertainment, our team helps brands acquire customers faster and scale across 26+ global markets. We combine data-driven paid media, performance creative, and advanced analytics to turn marketing into a predictable revenue engine.
Trusted by 200+ companies, managing $150M+ in ad spend.

Scale faster. Grow smarter.

Now, we’re looking for a Full Stack Engineer to join our AdTech product team. Someone passionate about building scalable, data-driven systems that power performance marketing automation and analytics.

Key Responsibilities:

• Design, build, and maintain frontend and backend services for the internal AdTech platform.
• Develop Angular (v12+) applications with TypeScript, using reactive patterns (RxJS, Angular Material, reactive forms).
• Implement and optimize state management and change detection for high-performance UI.
• Build and maintain Node.js microservices with TypeScript and RESTful APIs.
• Work with PostgreSQL (TypeORM) and Firestore (NoSQL) for data modeling and storage.
• Implement asynchronous patterns, error handling, and background data processing.
• Integrate with Google Cloud Platform (GCP): Cloud Functions, Firestore, Cloud Storage, and Secret Manager.
• Utilize Redis caching, message queues (RabbitMQ / Pub/Sub), and efficient pagination/filtering for large datasets.
• Collaborate with product, analytics, and QA teams to deliver robust, scalable AdTech solutions.

Requirements:

• 3+ years of experience as a Full Stack Engineer
• Experience with Node.js, Angular (v12+), and TypeScript in production environments
• Strong knowledge of RxJS, Angular Material, and reactive forms
• Experience with state management and change detection optimization
• Experience with microservices architecture and RESTful APIs
• Proficiency with PostgreSQL (TypeORM) and Firestore (NoSQL)
• Understanding of asynchronous patterns and error handling
• Experience deploying and managing Cloud Functions (triggers, logs, monitoring)
• Knowledge of Firestore queries, indexing, and data modeling
• Familiarity with Cloud Storage and Secret Manager
• Docker basics for local development and testing
• Experience with message queues (RabbitMQ or Pub/Sub)
• Redis caching and session management
• Handling large datasets (pagination, filtering, sorting)

Nice to Have

• Experience with ad platform APIs (TikTok Business API, Facebook Graph API, Google Ads API)
• Working knowledge of BigQuery for analytics and data aggregation
• Experience building worker pools and parallel processing pipelines
• Familiarity with CI/CD pipelines and deployment automation
• Understanding of AdTech concepts — campaigns, budgets, pixels, conversions
• Experience with high-volume, real-time data systems

What We Offer

• Hybrid job in Prague/Warsaw or remote
• Competitive compensation
• Flexible working hours: we start our operation day between 9:00 — 11:00 CET
• All necessary equipment
• Paid vacation and sick leaves
• Educational support: reimbursement of certification, training, and a knowledge-sharing atmosphere
• Company events and multiple internal activities
• Open feedback and transparent direct communication

At the Kyivstar Big Data team, this role sits at the intersection of data, marketing and business impact. You will turn Big Data insights into practical targeting strategies that improve campaign performance and reinforce the value of data-driven marketing. This is a research-led advisory role focused on analysis, learning and influence rather than campaign setup or execution.

Responsibilities

•Analyze client briefs and business objectives to develop audience hypotheses and targeting approaches

•Research and map potential audience sources (events, apps, websites, behavioral signals, etc.)

•Recommend optimal audience selection and segmentation for promo campaigns

•Analyze campaign performance and convert results into actionable insights and improvement steps

•Prepare analytical briefs and requirements for Data Analysis team when deeper analysis is needed

•Build and maintain an internal knowledge base of audiences, use cases and proven targeting practices

•Advise B2B sales teams and clients on effective targeting strategies and realistic performance expectations

•Improve campaign quality through audits, post-analysis and structured recommendations

Requirements

•2+ years in digital marketing, media, research or other data-driven marketing environments

•2+ years’ experience in campaign analysis, marketing analytics, customer communications analysis or insights roles

•Strong analytical mindset with experience forming and testing hypotheses

•Ability to translate campaign data into clear, practical business recommendations

•Basic SQL is a plus

•Experience with CRM/direct channels (SMS, email, push, etc.) is a plus

•Strong interest in audience behavior, segmentation and decision drivers

•Ability to ask sharp questions, structure information and explain insights in simple business language

•Proactive, self-driven and comfortable working in a consultative, cross-functional environment

We offer

•A rare opportunity to help build a new data-driven business direction within Ukraine’s leading mobile operator

•Remote-first format with optional office visits

•Competitive salary plus performance bonus

•Paid vacation and sick leave

•Flexible working hours

•Comprehensive medical and life insurance

•Professional growth and career development opportunities

•A friendly, supportive and collaborative team

Project description

As part of the AI transformation strategy, Kyivstar invests resources in the integration of GenAI/Speech technologies into internal processes and day-to-day tasks, but also uses gained experience to help partners and clients to receive maximum benefits from these technologies too.

One of the key directions of this strategy is the development of AI assistants and services for external partners and clients. To achieve this, company is looking for AI Engineer (Speech) - specialists in the field of GenAI and Speech Processing with deep ML/DL background and practical skills in developing AI assistants and voice bots.

Necessary skills

• 4+ years of experience in ML/DL with strong focus on STT/TTS
• Hands-on experience training and deploying models for various speech processing tasks (e.g., speech classification, speech-to-text, text-to-speech, and speaker diarization)
• Practical experience building AI applications using LLMs
• Strong Python skills with experience in writing scalable software modules
• Fundamental knowledge of  ML/DL theoretical concepts
• Familiarity with RESTful APIs and basic web development principles
• Proficient in version control (Git) and containerization tools (Docker)

Would be a plus

• Experience with real-time / low-latency speech systems
• Experience with distributed data processing and training in multi-node, multi-GPU environments
• Experience with LangChain, LangGraph, and FastAPI
• Experience with Azure/AWS
• Familiarity with PySpark for large-scale data processing
• Exposure to Data Science in the Telecom industry

Responsibilities

• Design, train, and optimize ASR and TTS models for production use
• Design and develop AI-powered assistants
• Fine-tune and optimize large-scale models for specific business needs
• Collaborate with DevOps team to deploy the solution

• Plan and manage ML projects, articulate methodologies, and communicate results and business impact to stakeholders and customers

   

Proposed:

• Working with huge amounts of data at the largest operator in Ukraine
• Hands on experience with Cloud technologies and tools
• Great diversity of tasks and projects to utilize your knowledge and skills; flexibility in tools and approaches
• Opportunity to grow within the team of talented data scientists

Done is a fast-growing international company helping distributors and trading businesses scale through financing, logistics, and supply chain management solutions, providing a full-cycle import service.
At Done, we don’t just scale businesses — we scale people who are ready to take ownership of results.

Done. More ownership. More speed. More impact. At a global scale.

We are looking for a Customer Success Specialist (Existing Clients) who wants to act as a true partner for clients, coordinate international shipments, and influence both service quality and business growth.

What will change in Done thanks to you

• clients will receive consistent, proactive, and high-quality support at every stage of delivery
• interaction processes between logistics, brokers, finance, and other teams will become more synchronized and efficient
• clients will experience greater transparency, control, and service quality when working with Done
• the company will be able to scale its client portfolio faster благодаря strong client support and long-term partnerships
• each delivery will become more structured, controlled, and predictable for both the client and the business

Your area of impact

• build and maintain long-term relationships with clients, ensuring a high level of service at all stages of delivery
• manage international shipments from China and Europe, proposing the most efficient solutions for clients’ businesses
• coordinate all steps of the full-cycle delivery process (collaborating with logistics, brokers, finance, and other stakeholders)
• track shipment statuses, resolve issues оперативно, and keep clients informed at every step
• manage client projects in CRM and oversee financial settlements

To succeed at Done, you will need

• willingness to develop in the area of international trade documentation, transportation types, and customs clearance procedures
• experience with 1C, CRM systems, and MS Office
• ability to understand client needs and deliver high-quality service
• strong attention to detail, discipline, and a systematic approach to work
• proactivity, ambition, and readiness to take ownership of results
• ability to coordinate multiple processes simultaneously and collaborate effectively with cross-functional teams

What you will get at Done

• work in a fast-growing international company that scales business and creates new opportunities for people
• real impact on results: your ideas, speed of decision-making, and personal contribution truly matter
• a partner-driven team that values ownership, transparency, service mindset, and mutual support
• a strong development culture: Done Academy, internal and external training, hard & soft skills programs, PDP, 360° feedback, and clear career growth opportunities
• a professional growth environment: over 40% of managers have built their careers within the company
• official employment and stable salary payments
• premium medical insurance after the probation period
• working hours: Monday to Friday, 9:00–18:00
• office-based format
• modern designer office located at Solomianska St., 11
• corporate transport from Olimpiiska, Universytet, and Palats Sportu metro stations, plus parking compensation
• partial lunch compensation for daily comfort
• discounts on English courses and sports activities
• internal recognition system (Donecoin) and branded merchandise
• gifts and support for important personal occasions
• opportunity to invest in corporate bonds with predictable returns
• team buildings, corporate events, sports initiatives, and an active team life beyond work
• employee reservation option (subject to updated military documentation)
• equipped shelter in the business center

Our hiring process

Phone screening → Office interview with the Head of Department → Job Offer

Why Done

At Done, results are never accidental — they are driven by people.
Maybe your growth story is the next one.

TJHelpers is committed to developing strong engineering teams through mentorship, real project experience, and our “Helpers as a Service” model. We provide structured growth, hands-on practice, and a supportive environment where engineers can evolve quickly and meaningfully.

We are looking for a Java Developer to join our backend team and contribute to building scalable, high-performance, and reliable microservices for modern products across fintech, AI, telecom, healthcare, and other high-load domains.

Responsibilities

• Design, develop, and maintain scalable backend microservices and APIs.
• Write clean, efficient, and well-tested code using Java (17/21) and Spring Boot.
• Work with event-driven architectures using tools like Kafka or RabbitMQ.
• Integrate with internal and external REST/GraphQL services.
• Collaborate closely with DevOps, QA, and product teams to deliver high-quality features.
• Participate in code reviews and help establish engineering best practices.
• Optimize backend systems for performance, reliability, and cost efficiency.

• Investigate and resolve production issues, contributing to CI/CD and observability improvements.

   

Requirements

• Strong knowledge of Java and hands-on experience with Spring Boot / Spring Cloud.
• Experience building REST APIs, microservices, and integrations.
• Solid understanding of relational databases (PostgreSQL/MySQL) and ORM frameworks (Hibernate/JPA).
• Familiarity with Docker, containerization, and CI/CD pipelines.
• Knowledge of software architecture principles: microservices, event-driven systems, clean architecture.
• Experience with Git, unit testing (JUnit), and debugging/profiling tools.

• Good problem-solving skills and ability to work in a fast-paced environment.

   

Nice to Have

• Experience with cloud platforms (AWS, GCP, Azure).
• Knowledge of Kafka, Redis, Elasticsearch, or GraphQL.
• Experience with Kubernetes, Helm, or Terraform.
• Understanding of caching strategies, messaging patterns, and high-load system design.
• Experience with performance tuning, monitoring (Prometheus/Grafana), and observability tools (ELK).

• Familiarity with ML/AI integrations or data pipelines.

   

We Offer

• Real-world projects in fintech, AI, telecom, and automation industries.
• Mentorship from senior engineers, tech leads, and architects.
• Personal development plan and a clear path toward Senior Java Engineer or Backend Architect roles.
• Access to internal workshops, best practices, and structured feedback.
• A collaborative engineering culture focused on transparency and continuous improvement.
• Long-term projects, flexible schedule, and a remote-friendly work environment.