Jobs at Djinni

Role Overview

We are seeking a high-caliber Senior RF Systems Engineer to lead the development of next-generation situational awareness and electronic warfare (EW) platforms. You will be responsible for the full lifecycle of RF subsystems, from initial research (TRL 1) to field-tested operational prototypes (TRL 7+). Your work will directly impact projects such as autonomous drone detection, FHSS signal classification, and distributed SIGINT mesh networks.

Key Responsibilities

RF Design & Integration

• Design and optimize RF front-ends for unmanned aerial systems (UAVs) and ground-based detection stations.
• Develop hardware and firmware for high-speed FHSS (Frequency Hopping Spread Spectrum) detection and mitigation.
• Architect and implement Mesh Networking protocols for distributed sensor arrays (e.g., FPV-borne SIGINT mesh).

Signal Intelligence (SIGINT) & Electronic Warfare

• Develop algorithms for passive RF geolocation and signal classification.
• Engineer solutions for Drone Detection, focusing on identifying digital and analogue transmitting signatures even under heavy jamming.
• Design and test spoofing detection systems for Galileo and GPS navigation.

Field Validation & Testing

• Lead field testing of RF prototypes in relevant operational environments to validate TRL exit criteria.
• Analyze battlefield RF signatures to refine "kill zones" and improve EW training simulators.
• Collaborate with the software team to integrate RF data into C2 (Command and Control) dashboards.

Technical Requirements

SDR Mastery

Expert proficiency with Software Defined Radio platforms (HackRF, BladeRF, Ettus USRP) and GNU Radio.

Signal Processing

Deep understanding of digital modulation (OFDM, FSK), FFT analysis, and hopping pattern reconstruction.

Hardware

Experience with PCB layout for RF applications (up to 6GHz), antenna design, and impedance matching.

Frequency Bands

Experience working across 300–600 MHz (FHSS), 2.4 GHz, and 5.8 GHz bands.

Tools

Proficiency in MATLAB/Simulink, Python, or C++ for real-time signal analysis.

• Proven experience with SAW (Surface Acoustic Wave) filters and LNA (Low-Noise Amplifier) design/integration.

Preferred Qualifications

• Knowledge of FPGA development for low-latency signal processing (Verilog/VHDL).
• Background in military-grade communication protocols and LPI/LPD (Low Probability of Intercept/Detection) systems.

Logistics & Impact

• Location: Kyiv (Hybrid/Field testing required).

Our customer is a global leader in digital agreement and e-signature solutions, enabling organizations worldwide to securely manage, sign, and automate business-critical documents and workflows.

They are looking for a self-motivated software engineer to join us developing storage infrastructure to organize and facilitate our business growth. Our team is the center of how customers and services store their critical data and trust its security, performance, availability, compliance and durability, which enables customer derive intelligence and analytics through AI & BI.

As a Lead Software Engineer, you will own all aspects of the software development lifecycle including design, development, testing, deployment, and maintenance of product features in software products. You will play a key role in ensuring that our storage solutions are reliable, scalable, and support advanced orchestration using technologies such as the Temporal .NET SDK. You enjoy fast-paced entrepreneurial environments where you can solve difficult problems using current technologies and tools. You collaborate well with other team members when brainstorming, designing, and implementing new solutions. You will also help the team succeed by thinking about ways to improve processes, suggesting ways to make the team more effective, and mentoring and modeling engineering best practices.

Responsibilities:

• Design, develop, and maintain high-performance backend systems and APIs using C# and .NET technologies, hosted in Azure and various compliance-level data centers
• Build and maintain microservices-based architectures using C#, ASP.NET, and others
• Leverage Azure services like Azure App Services, Azure Kubernetes Service (AKS), Azure Blob Storage, and SQL/No-SQL databases to build scalable, secure, and reliable cloud-native solutions
• Design, implement, and maintain distributed workflows using the Temporal .NET SDK to provide resilient and observable orchestration for business-critical backend processes
• Integrate Temporal workflows with our .NET microservices architecture and cloud-based infrastructure
• Design and implement RESTful or gRPC APIs, and ensure seamless integration with other systems and products
• Optimize architecture and solutions for scalability and availability, with cost and maintenance in mind
• Identify and address performance bottlenecks and scalability challenges proactively
• Align across teams for designs, communicate and resolve roadblocks

• Guide and mentor other engineers through design and code reviews

   

Required Qualifications:

• Extensive experience 8+ years developing backend services and APIs in C#/.NET
• Experience with Azure services including App Services, AKS, Blob Storage, SQL/NoSQL Databases
• Experience with microservices architecture and distributed systems
• Hands-on experience with the Temporal .NET SDK or other workflow orchestration/tools (e.g., Durable Functions, Step Functions, Apache Airflow)
• Strong understanding of designing and building scalable, secure, and reliable cloud-native applications
• Experience with designing and implementing RESTful or gRPC APIs

• Knowledge of data storage best practices, including security, availability, and compliance

   

Preferred Qualifications:

• Familiarity with integrating orchestration tools into enterprise software environments
• Experience with performance optimization, cost management, and designing for high availability
• Excellent communication and collaboration skills
• Prior experience mentoring engineers and conducting design/code reviews
• Background in supporting analytics and business intelligence integrations

Our customer is a global leader in digital agreement and e-signature solutions, enabling organizations worldwide to securely manage, sign, and automate business-critical documents and workflows. We are looking for a self-motivated software engineer to join us in developing storage infrastructure to organize and facilitate our business growth. Our team is the center of how customers and services store their critical data and trust its security, performance, availability, compliance, and durability, which enables customers to derive intelligence and analytics through AI & BI.

As a Senior Software Engineer, you will own all aspects of the software development lifecycle including design, development, testing, deployment, and maintenance of product features. You will play a key role in ensuring that our storage solutions are reliable, scalable, and support advanced orchestration using technologies such as the Temporal .NET SDK. You enjoy fast-paced entrepreneurial environments where you can solve difficult problems using current technologies and tools. You collaborate well with other team members when brainstorming, designing, and implementing new solutions. You will also help the team succeed by thinking about ways to improve processes, suggesting ways to make the team more effective, and mentoring and modeling engineering best practices.

Responsibilities:

• Design, develop, and maintain high-performance backend systems and APIs using C# and .NET technologies, hosted in Azure and various compliance-level data centers
• Build and maintain microservices-based architectures using C#, ASP.NET, and others
• Leverage Azure services like Azure App Services, Azure Kubernetes Service (AKS), Azure Blob Storage, and SQL/No-SQL databases to build scalable, secure, and reliable cloud-native solutions
• Design, implement, and maintain distributed workflows using the Temporal .NET SDK to provide resilient and observable orchestration for business-critical backend processes
• Integrate Temporal workflows with our .NET microservices architecture and cloud-based infrastructure
• Design and implement RESTful or gRPC APIs, and ensure seamless integration with other systems and products
• Optimize architecture and solutions for scalability and availability, with cost and maintenance in mind
• Identify and address performance bottlenecks and scalability challenges proactively
• Align across teams for designs, communicate and resolve roadblocks
• Guide and mentor other engineers through design and code reviews

Requirements:

• Extensive experience developing backend services and APIs in C#/.NET
• Experience with Azure services including App Services, AKS, Blob Storage, SQL/NoSQL Databases
• Experience with microservices architecture and distributed systems
• Hands-on experience with the Temporal .NET SDK or other workflow orchestration/tools (e.g., Durable Functions, Step Functions, Apache Airflow)
• Strong understanding of designing and building scalable, secure, and reliable cloud-native applications
• Experience with designing and implementing RESTful or gRPC APIs
• Knowledge of data storage best practices, including security, availability, and compliance
• Availability to fully cover 13:00-22:00 EET working hours from Monday to Friday is a mandatory requirement for this role.

We are looking for a Senior AI/ML Engineer experienced in multimodal AI pipelines, LLM evaluation frameworks, agent orchestration, and scalable Python backend systems on AWS.

A Korean company is building and hardening an AI verification and compliance layer for AIGC/UGC financial content.

The system includes:

• four evaluation/verification models
• an automated compliance rule engine
• a Trust & Safety moderation pipeline

The core architecture processes video-based content through a multi-stage pipeline:

STT → OCR → image/video analysis → financial rules engine → LLM-based decision layer

Final output decision types:

• Auto-Block
• Auto-Pass
• Human Review

This role requires strong production engineering skills combined with hands-on experience in multimodal LLM evaluation systems.

Required Skills & Experience

• Multimodal LLM evaluation pipeline design
  (LLM-as-a-judge, rubric-based scoring, prompt/few-shot optimization, schema design, agent orchestration)
• Model evaluation engineering
  (golden dataset creation, metric definition: precision/recall/human agreement, A/B testing, benchmarking automation)
• AI serving & inference optimization
  (AWS Bedrock integration, vLLM / GPU inference, latency optimization, cost-aware design, fallback strategies)
• Strong Python backend engineering (~7–10 years)
  (async systems, queues, microservices, service-oriented architecture)
• Trust & Safety / compliance systems
  (rule engines: keyword + context IF-THEN logic, moderation workflows, HITL queues, severity-based escalation)

Nice to Have

• Experience fine-tuning or improving LLM / video understanding models
• Background in content moderation or compliance systems
• Experience with Korean language content processing
  (STT, OCR optimization, NSFW detection pipelines)

Tech Stack

Languages / APIs: Python (FastAPI), React (TypeScript)
LLM / Multimodal: AWS Bedrock, VLMs (e.g. Qwen2.5-Omni), vLLM
Agent frameworks: LangGraph, CrewAI, Google ADK, LangChain
Evaluation: LLM-as-judge, rubric scoring, DeepEval-style eval harnesses
Cloud / Infra: AWS Bedrock, SageMaker, RDS (PostgreSQL), S3, EKS
Observability: Langfuse, prompt testing & tracing tools
Data platform: Databricks
Media processing: Whisper, OCR pipelines, image moderation tools (e.g. AWS Rekognition)

Location: Remote (Preferably European time zones)

About the Company 

At WOWCube®, we’re redefining play with a one-of-a-kind cube-shaped gaming console that merges the physical and digital worlds. 

The WOWCube Entertainment System combines modular hardware, immersive software, and creative game design to create a brand-new category of interactive entertainment. We are a fast-growing, innovative game development studio pushing the boundaries of interactive entertainment.

About the Role 

We are looking for a highly skilled and experienced Senior C/C++ Developer (Embedded / Game & Systems Software Engineer) with a strong background in low-level development, game engines, and resource-constrained environments.

In this role, you will be responsible for designing software architecture, building gameplay systems, and optimizing performance under strict hardware limitations. You are a perfect fit if you are comfortable with real-time constraints, embedded-like platforms, and taking end-to-end ownership of features - from design and implementation to debugging on real devices.

Key Responsibilities

• Design and develop core game logic and architecture using C/C++ (including game state design and event-driven gameplay).
• Implement essential gameplay systems, such as AI, game state machines, and custom GUI.
• Work on 2D programming and special effects finely tuned and optimized for resource-constrained hardware.
• Design high-performance, asynchronous architectures, network pipelines, and queue-based systems with low-latency requirements.
• Perform performance tuning, profiling, memory diagnostics, and crash analysis.

• Collaborate closely with technical artists and designers; develop internal tooling, custom engine features, and automation scripts to streamline production.

   

Requirements

• 5+ years of experience in low-level C/C++ development across mobile, console, or embedded-like platforms.
• Solid understanding of gameplay and engine programming concepts, including rendering pipelines, memory management, and hardware optimization.
• Familiarity with RTOS or real-time concepts (tasks, priorities, timers, scheduling) and event-driven systems.
• Strong networking skills, including experience with TCP/IP, UDP, WebSockets, and non-blocking I/O operations.
• Proficiency with development tools, version control systems (GCC, CMake, Git, SVN, Perforce, etc.), and build-deploy automation.

Desirable Pluses

• Experience with platform compliance and certification processes (e.g., Nintendo TRC, Sony TRC, or similar vendor requirements).
• Experience with multiple programming languages and environments (e.g., Rust, Java, TypeScript, Python, Bash, Lua, Android NDK/SDK, or AOSP).
• Familiarity with multimedia and audio/video frameworks (SDL2/SDL3, Raylib, GStreamer, FFmpeg, ALSA, Vorbis, etc.).
• Experience in complex automation or integrating game software with specific physical hardware layouts/models.

What We Look for in Your Application

• An updated CV highlighting your technical stack and the commercial or shipped projects you have been part of.
• Examples (or GitHub links) demonstrating how you have approached complex architectural challenges or performance optimisations in hardware-limited environments.

We are looking for a Linux Administrator to support high-performance computing environments and critical distributed infrastructure.
 

In this role, you will:

• Administer HPC clusters for machine learning workloads (e.g., Slurm, Ceph)
• Maintain and support application infrastructure (web services, ERP systems, mail, LDAP, messaging services, etc.)
• Manage and automate workstation provisioning using Ansible
• Ensure stability, performance, and security of distributed systems
   

Requirements:

• Strong experience in Linux system administration (Ubuntu/Debian preferred)
• Strong C++ knowledge or experience working with C++ environments
• Experience with HPC environments and job schedulers (e.g., Slurm)
• Knowledge of distributed storage systems (e.g., Ceph or similar)
• Experience with infrastructure automation tools (e.g., Ansible)
• Solid understanding of networking fundamentals and security best practices
   

Nice to have:

• Experience with Python, Rust, or CUDA
• Familiarity with low-level Linux systems or kernel concepts
• Experience with web or backend systems
   

What we offer:
Work on cutting-edge autonomous driving tech, flexible hours, fast-paced engineering environment, competitive salary, and stock options.

Mate academy — EdTech компанія з АІ powered LMS-платформою, де люди опановують IT-професії з нуля.

🌎 Ми активно зростаємо не лише в Україні, але й Польщі та Бразилії, і міжнародна експансія тільки набирає обертів.
🤘🏻 Понад 6000 випускників Mate вже отримали роботу в ІТ після 4 місяців навчання.

Ми шукаємо нашого натхненного PPC Ментора для курсу Marketing, який готовий розібратися з іншими модулями курсу та покривати ці таски. 

Це part-time & remote & official робота, яка оплачується погодинно.

Основна задача ролі — допомагати студентам ефективно і з задоволенням засвоювати матеріал у процесі навчання, щоб по закінченню курсу кожен зміг знайти своє найкраще місце роботи в Маркетингу.

Що ми очікуємо від тебе:

- 1+ роки комерційного досвіду на посаді PPC спеціаліста / User Acquisition Manager-а

- Знання інструментів Google Ads, Meta Ads, Google Analytics, GA4, або бажання розібратися детальніше там, де досвіду немає. Ми в цьому підтримаємо!

- Вміння комунікувати з людьми та допомагати їм вирішувати проблеми

- Вміння якісно планувати свій час та самостійно систематизувати власний графік

Буде плюсом:

- Досвід з проведенням дослідження ринку, розробки портрета клієнта, розробки Points of Differentiation та Value Proposition - якщо є базове розуміння, то вже чудово:)

Твої задачі будуть наступними:

- Перевірка домашніх завдань студентів Marketing курсу

- Відповіді на питання студентів в чаті та на відео дзвінках

- Проведення пробних технічних інтерв’ю для студентів

- Пропонування ідей для вдосконалення нашого навчального процесу

Що ти отримаєш, працюючи в Mate:

- Місію допомогти людям розпочати кар’єру в IT

- Мінімум бюрократії

- Неймовірну команду, яка пишається своєю справою, і це робить роботу захоплюючою пригодою

- Практику твоїх soft-skills — менторство чудовий спосіб швидше дорости до Senior позицій

- Погодинну оплату і гнучкий графік — твій тиждень менторства буде включати 10+ годин роботи, які ти сам (-а) можеш розподілити протягом тижня;

- Офіційне працевлаштування.

Етапи відбору:

1. Надішли своє CV 📄

2. Зроби тестове завдання ✍️

3. Пройди відео-співбесіду, це цікаво і швидко 👩‍💻 - до 30 хв

4. Пройди технічну співбесіду 🤝

Ця пропозиція відповідає твоїм кар’єрним цілям? Тоді давай знайомитись!

About the Company

We are a specialized consulting company focused on Statistics, Data Science, and AI. We work across multiple industries, including the public sector, insurance, and other data-intensive domains.

For this role, we are specifically looking for a Senior Frontend Engineer to join projects in the public sector. These projects involve building technically advanced solutions that also create a meaningful positive impact on society.

We are looking for experienced engineers who enjoy solving complex problems and want to build systems that make a real difference.

Role Overview

As a Senior Frontend Engineer, you will take end-to-end ownership of frontend development — from architecture and technical decision-making to prototyping, implementation, testing, quality assurance, and continuous improvement.

You will build analytical web applications that are intuitive, accessible, performant, and reliable across desktop and mobile devices.

What You'll Be Doing

• Design and own frontend architecture together with the engineering team.
• Develop modern web applications using React and JavaScript/TypeScript.
• Translate complex business and analytical requirements into intuitive user interfaces.
• Build responsive user experiences that work seamlessly across desktop and mobile devices.
• Develop interactive data visualizations and analytical UI components.
• Ensure charts, filters, tables, and interactions are both technically accurate and user-friendly.
• Implement accessibility best practices throughout the development lifecycle.
• Rapidly prototype ideas, validate concepts, and transform successful prototypes into production-ready solutions.
• Maintain high standards for code quality, testability, scalability, and maintainability.
• Define and uphold frontend engineering standards, code reviews, testing practices, and UI consistency.
• Make pragmatic technical decisions and provide leadership on frontend direction.

Requirements

• Several years of professional experience developing modern frontend applications in production environments.
• Strong expertise in React, JavaScript, and TypeScript.
• Excellent understanding of UI, UX, and visual design principles.
• Experience building responsive web applications for both desktop and mobile devices.
• Experience with component-based frontend architectures and high-performance user interfaces.
• Knowledge of accessibility standards and implementation best practices is a strong advantage.
• Experience with frontend testing and a strong focus on code quality and maintainability.
• Experience with data visualization libraries such as Plotly.js, ECharts, d3.js, or similar tools.
• Ability to design clear and intuitive analytical interfaces for presenting complex information.
• Ability to build solutions both using existing frameworks and, when necessary, from scratch.
• Strong technical judgment, structured problem-solving skills, and clear communication.

Candidate Requirements

• Ukrainian native speaker
• English proficiency: B2 or higher

Our Customer:

A product-focused company building a large-scale SaaS platform, where the DevOps function serves as the backbone of the entire development and infrastructure ecosystem, ensuring high standards of performance, security, and reliability.

Your tasks:

• Develop, maintain, and optimize CI/CD pipelines to support efficient and reliable delivery processes.
• Design, implement, and manage scalable cloud infrastructure across AWS and GCP environments.
• Ensure high availability, reliability, and security of production systems.
• Identify and mitigate infrastructure-related risks, including performance and security issues.
• Analyze system performance and implement improvements for scalability and efficiency.
• Build and enhance internal tools for monitoring, testing, and system diagnostics.
• Collaborate closely with development teams to support delivery and operational excellence.

Required experience and skills:

• 3+ years of hands-on experience in DevOps within Cloud or SaaS environments.
• Strong experience with AWS and GCP cloud platforms.
• Solid understanding of high availability, scalability, and reliability principles.
• Experience with networking fundamentals.
• Proven experience building and maintaining CI/CD pipelines.
• Proficiency in scripting (Bash and/or Python).
• Hands-on experience with Infrastructure as Code (IaC) tools and practices.
• Practical experience working with Kubernetes.
• Strong problem-solving skills and ability to work in dynamic environments.
• Upper-intermediate or higher level of English.

Would be a plus:

• Experience with multi-cloud environments.
• Understanding of Application Lifecycle Management (ALM).
• Experience working with CDNs.
• Familiarity with databases such as MongoDB and PostgreSQL.

About EVIQO

EVIQO is one of the fastest-growing smart EV charging brands in the US residential market, serving customers across the US, Canada, and Europe.

We are already among the Top-5 market leaders in the US in our segment and continue scaling rapidly.

Our mission is to build a category-defining EV charging brand that competes with major players like Tesla, ChargePoint, and Autel.

Our core product is a premium Level 2 smart home EV charger combined with a mobile app and software platform that allows users to monitor and remotely control charging, manage and optimize energy consumption, automate charging sessions, and reduce electricity costs.

With up to 50 Amps of charging power, strong hardware positioning, premium customer experience, and a powerful D2C + Amazon growth engine, we are building much more than just a charger — we are building a scalable international brand.

We operate at the intersection of hardware, software, IoT, e-commerce, D2C, and international growth.

About the Role

This is not a classic Head of Marketing role.

We are looking for a strong CMO / Growth Leader with a digital marketing background in e-commerce who can take full ownership of marketing strategy, brand growth, customer acquisition, and revenue scaling across the US and Canadian markets.

This person will work directly with the founder and become one of the key business drivers of the company’s next stage of growth.

This role is much closer to:

CMO with digital marketing focus + Growth Lead + Founder’s Right Hand

than to a traditional marketing management position.

This is a high-impact role for someone who wants to build — not just manage.

Key Responsibilities

— Full ownership of marketing strategy and execution across digital sales channels
— Building and scaling D2C growth strategy
— Building and scaling Amazon marketplace growth strategy
— Leading performance marketing and paid acquisition strategy
— Driving customer acquisition and conversion optimization
— Ownership and improvement of CAC / LTV / ROAS metrics
— Brand positioning and competitive strategy, creating of senses
— Retention, loyalty, and customer lifecycle marketing
— Building transparent marketing systems, analytics, and reporting
— Managing internal marketing teams and/or external agencies
— Aligning business goals with marketing execution
— Providing strategic visibility and reporting to the founder
— Building collaborations with media, journalists, influencers, and industry opinion leaders
— Developing and leading PR strategy to strengthen brand visibility and market positioning
— Preparing the team, brand presence, and marketing activities for exhibitions, expos, and industry events

Requirements

— 3+ years of experience as CMO / Head of Digital Marketing / Growth Lead
— Strong hands-on experience in the US and Canadian markets
— Proven experience scaling e-commerce / D2C brands
— Basic understanding of Amazon marketplace ecosystem
— Data-driven mindset with strong analytical thinking
— Strong ownership mindset and decision-making ability
— Ability to work independently in uncertainty
— Strong operational discipline and execution focus
— Upper-Intermediate+ English (all meetings and written communication are in English)

Will Be a Strong Plus

— Experience in electronics
— Experience in energy tech
— Experience in the automotive industry
— Experience in EV / charging infrastructure
— Experience with hardware products
— Experience working with international teams
— Understanding of non-standard marketing channels and acquisition tools such as Reddit, Quora, and niche forums
— Experience in PR and media communications
— Experience launching products in online markets across the UK and Germany

Ideal Background

We are especially interested in candidates from digital marketing, e-commerce, electronics, EV, automotive, energy tech, and hardware product companies.

We are looking for someone who:

— Takes full ownership of their area
— Drives business results, not just marketing processes
— Works independently without constant supervision
— Makes decisions and is accountable for them
— Can operate with founder-level responsibility
— Builds systems instead of managing chaos

This is a business ownership role, not a coordination position.

What We Offer

— Competitive fixed compensation
— Performance-based bonus
— Strong long-term growth opportunity
— Direct work with the founder
— Opportunity to build a category leader in the EV charging market

If competing with Tesla doesn’t scare you — let’s talk.

EVIQO is a fast-growing product company in the EV charging industry operating across international markets. Today, EVIQO is already among the Top-5 brands in its segment, and our products are used by thousands of customers worldwide.

We are looking for a hands-on Financial Accountant who can take ownership of accounting operations, financial reporting, and daily finance processes within the company.

Important:

We are specifically looking for candidates with practical experience in US/international accounting processes and accounting systems such as QuickBooks or Zoho.

Unfortunately, we are not considering candidates without this background.

You will be the only Financial Accountant in the company and will own daily accounting operations and financial processes.

Responsibilities:

• Full-cycle accounting
• Financial & tax reporting
• AP/AR operations
• Payments & reconciliations
• Month-end closing
• Cash Flow control
• Work with QuickBooks / Zoho / accounting systems
• COGS / inventory tracking
• Support audits and financial documentation

• Control and systematization of finance processes

   

Requirements:

• 2+ years of experience in Accounting / Finance
• Practical experience with US or international / US-oriented companies
• Practical experience with QuickBooks, Zoho, or similar accounting systems
• Hands-on experience with reconciliations, P&L, Cash Flow, AP/AR, and month-end closing
• Understanding of COGS, profitability, and financial reporting logic
• Strong Excel / Google Sheets skills
• English B1+ for work communication

• Self-driven, structured, detail-oriented mindset

   

Nice to have:

• Experience in product / e-commerce / hardware companies
• Experience with inventory accounting

• Experience building finance processes from scratch

   

What we offer:

• Remote full-time
• Product company, not outsourcing
• Direct impact on business and finance processes
• Fast-growing international product environment

Laba Group is one of the largest international EdTech companies in Eastern Europe. Currently, our team consists of over 800 colleagues united by a single mission: to improve people’s lives through relevant and systematic knowledge.

In 10 years, we have launched over 1,400 courses and educated more than 200,000 students globally. We have also created 5 online education brands:

• Laba — an online business school
• Skvot — a school of popular culture
• robot_dreams — a platform for growth in IT
• Vocabulaba — a school of English for professionals
• elvtr — an online school in the US and the UK

We are seeking a Data Engineer. The primary purpose or objective of this role is to be responsible for designing, building, and maintaining a scalable data infrastructure that supports analytics, reporting, and business decision-making within the organization.

The role focuses on developing robust data pipelines, integrating multiple data sources, ensuring data quality, and delivering business-driven data solutions that align with the company’s goals.

What will be the main responsibilities ?

• Design, build, and maintain scalable ETL/ELT pipelines.
• Integrate data from internal and external systems (CRMs, LMS, marketing platforms, databases, etc.).
• Develop and maintain API integrations (REST/JSON, OAuth, etc.).
• Automate recurring data processes using Python (or similar scripting languages).
• Design and maintain data models optimized for analytics and operational reporting.
• Work with cloud data warehouses (e.g., BigQuery, Snowflake) to ensure efficient storage and retrieval.
• Implement data validation and monitoring mechanisms to ensure accuracy and reliability.
• Proactively monitor and resolve data pipeline failures.
• Create dashboards and data applications using low-code/no-code platforms (e.g., Power BI, Retool, Coda, Tableau, Google Sheets).
• Translate complex datasets into clear, actionable insights for business stakeholders.
• Collaborate with analysts, data scientists, and business teams to define KPIs and reporting requirements.
• Suggest improvements to existing data flows and business processes.
• Maintain structured and comprehensive technical documentation (pipelines, integrations, data definitions, architecture).
• Participate in cross-functional discussions to align technical implementation with business needs.

Requirements

• Strong proficiency in Python (or similar scripting language) for data manipulation and automation.
• Advanced SQL knowledge and experience in data modeling.
• Hands-on experience with API integrations (REST, JSON, OAuth) and related tools (e.g., Postman).
• Experience working with cloud platforms (GCP, AWS) and cloud data warehouses.
• Experience with orchestration tools (e.g., Airflow, dbt, or similar frameworks).
• Familiarity with Git and CI/CD processes.
• Experience with low-code/no-code platforms for data visualization or workflow automation.
• Solid understanding of business processes and KPI-driven decision-making.
• 1–4 years of experience in a data engineering or data-focused role.
  
  Skills that would be “nice to have”:
• Experience developing and customizing internal tools using Retool, with working knowledge of JavaScript.
• Experience optimizing query performance and cost efficiency in cloud environments.
• Exposure to real-time data streaming solutions.
• Experience supporting AI/ML data pipelines.
• Strong data storytelling and stakeholder communication skills.

Benefits

Why Laba Group is the Place to Be🔥:

• Flexible full-time. We focus on results, not hours worked: manage your own time, stay connected with the team, and meet deadlines.
• Remote, onsite, or hybrid — it’s up to you! Our modern workspace in Kyiv is fully equipped with everything you need.

As part of our team, you’ll get:

• Access to all Laba Group courses for you and your family.
• Compensation for external training, sports, and mental and physical health, helping you stay balanced and prioritize your well-being.
• Unlimited vacation after 6 months of working with us. Plan according to your needs and adjust based on workload intensity because rest is essential for your health.
• We create a supportive environment where facing challenges and making mistakes isn’t scary. A place to find like-minded people and become part of a larger community. A service that truly puts the client first.
• No micromanagement or bureaucracy — only automated processes. Feel free to experiment, propose, and implement your ideas.
• We champion a proactive mindset, bold ideas, and a willingness to embrace change. Laba isn’t about going with the flow — it’s about pushing the world forward.
• We provide only up-to-date insights from market experts—knowledge that can be immediately applied in practice, transforming workflows even during the learning process. Our products are designed for decisive action in business and careers.
• A socially responsible environment: we regularly launch charity projects and fundraisers to support Ukraine and its defense forces.
• Vertical and horizontal growth: 83% of our Heads of Departments and Team Leaders have been promoted internally.

Our recruitment process is transparent and straightforward.

Three stages: an interview with the Rectuiter→ Test Task→ an interview with the HM’s team

After that, the job offer will be in your inbox.🙌

We’re not looking for perfect candidates. We’re looking for bold and “one of us” people. 💛

Join the team. It’s going to be an amazing journey.

We are looking for a Senior Backend Engineer (.NET) to join a project - a clinical trial technology platform. It’s designed to digitize, streamline, and accelerate clinical trial operations across the full study lifecycle. The solution represents an end-to-end clinical trial management ecosystem that integrates multiple tools into one platform.

You will collaborate closely with cross-functional teams to deliver robust backend solutions and contribute to architectural decisions in a distributed, cloud-based environment.

What We’re Looking For:

• Strong experience with .NET Core / C# - at least 5 years
• Hands-on experience with Microservices architecture
• Experience with Event-Driven Architecture
• Solid knowledge of REST APIs design and development
• Experience with SQL / Relational Databases
• Experience working with Microsoft Azure
• Familiarity with Docker and Kubernetes
• Good communication and collaboration skills
• Upper-Intermediate level of English or higher

Your Responsibilities:

• Design, develop, and maintain backend services using .NET Core and C#
• Build and evolve scalable microservices within a distributed architecture
• Develop and maintain RESTful APIs for internal and external integrations
• Participate in system design and architectural discussions
• Collaborate with product managers, frontend engineers, and QA specialists
• Ensure performance, reliability, and scalability of backend services
• Implement event-driven solutions and asynchronous communication patterns
• Write clean, maintainable, and well-tested code
• Participate in code reviews and contribute to engineering best practices
• Troubleshoot, debug, and optimize existing services
• Contribute to CI/CD and containerized deployment workflows

Will Be a Plus:

• Experience in the healthcare domain
• Experience with clinical trials or clinical research platforms
• Understanding of regulatory requirements in healthcare environments

Location: Europe (remote)
Duration: ~12 months contract
Working Hours: European time zone
 

We are looking for an experienced Senior Backend Engineer / Tech Lead to join a FinTech project and play a key role in designing and building scalable backend systems from the ground up.

Responsibilities

• Design and develop scalable backend services and distributed systems
• Architect solutions from scratch and drive technical decision-making
• Lead backend development initiatives and provide technical guidance to the team
• Ensure high performance, reliability, and maintainability of services
• Collaborate closely with product, engineering, and business stakeholders
• Take ownership of architecture, delivery, and technical excellence

Technical Environment

• Node.js / TypeScript (Express, NestJS)
• GraphQL
• Microservices architecture following clean architecture principles
• Event-driven systems (Pub/Sub) and Transactional Outbox pattern
• Google Cloud Platform (Cloud Run)
• Terraform (Infrastructure as Code)
• Spanner, PostgreSQL, Redis, Elasticsearch
• Python (FastAPI) – nice to have

Requirements

• 5+ years of backend engineering experience (strong Senior level required)
• Proven track record of architecting and building systems from scratch
• Strong expertise in system design and distributed architectures
• Hands-on experience with microservices and event-driven architectures
• Strong experience with Node.js and TypeScript
• Finance / FinTech domain experience is mandatory
• Excellent English communication skills
• Leadership experience and strong ownership mindset
• Ability to work independently and drive technical initiatives

Nice to Have

• Experience with Python and FastAPI
• Experience working in high-scale cloud-native environments
• Previous experience leading engineering teams or technical streams

What We Offer

• Long-term FinTech project (~1 year)
• Fully remote work within European time zones
• Opportunity to influence architecture and technical strategy
• Competitive compensation package