Jobs

Lemberg Solutions is, above all, a group of passionate professionals led by a core team that have been meticulously selected over the last 15 years. We are based in Lviv, Rivne, and Lutsk, and opened GmbH in Hamburg, Germany.

At LS, people come first. We know that our success is based on our people’s achievements. Each and every one of our 200 team members is highly valued for their hard work, and we’re always excited to welcome new specialists ready to embrace challenges with us.

Pay attention: only those candidates who meet the listed requirements will receive an answer!
 

Necessary skills and qualifications:

• 3+ years of hands-on experience with Microsoft Azure services (AKS, ACR, VNETs, Storage, Monitoring, Entra ID)
• 3+ years working with microservices architecture and containerized workloads
• 3+ years of experience as a Cloud Architect
• 8+ years of experience as a Backend Engineer with any backend technology
• Proficiency in Azure Active Directory (Azure EntraID)
• Good knowledge of Azure Kubernetes Service (AKS) and container orchestration at scale
• In-depth understanding of cloud security principles, including encryption, zero-trust networking, and secure service-to-service communication
• Proven ability to lead technical discussions with customers and internal teams
• Strong communication and presentation skills
• Ability to balance business requirements, compliance, and technical feasibility
• Upper-Intermediate level of English proficiency
   

Will be a plus:

• Solid understanding of multi-region, high-availability, and disaster recovery designs (BCDR)
• Experience with MSAL, MFA, and federated identity integrations
• Expertise in FHIR and HL7 protocols
• Familiarity with HIPAA, GDPR, and ISO 27001 compliance requirements
• Understanding of how DevOps/DevSecOps tools (Terraform, CI/CD pipelines, GitHub Actions, Azure DevOps) work
• Proficiency in SDLC and V-model development
• Experience with design control and requirements traceability in compliance with regulatory standards

• Azure certifications such as AZ-104, AZ-204, AZ-305

   

About the project: 
We are building a comprehensive healthcare ecosystem on Microsoft Azure, leveraging AKS, ACR, and advanced DevSecOps practices to deliver security, scalability, and compliance by design. The platform consists of several sub-projects, each implemented with a cloud-native microservices architecture that ensures flexibility, modularity, and rapid innovation. You will define and lead the development of a secure, multi-tenant solution with federated identity, strong encryption, and real-time scalability – all aligned with industry best practices.
 

We are looking for an experienced Senior Python Developer with a strong background in building and scaling ERP/CRM solutions, focusing on accounting and business process automation.

Requirements

• 7+ years of commercial experience in Python development
• Strong expertise with Django and Django REST Framework
• Deep knowledge of PostgreSQL (queries optimization, indexing, performance tuning)
• Experience with Celery and RabbitMQ for distributed systems and asynchronous tasks
• Solid experience in ERP/CRM domain, preferably with accounting/reporting modules
• Strong understanding of API design (REST)
• Hands-on experience with Docker and CI/CD
• Knowledge of architectural patterns (MVC, microservices)
• Familiarity with testing frameworks (pytest, unittest)

Soft Skills

• Strong analytical and problem-solving skills
• Ability to work effectively in a team and communicate with stakeholders
• Responsibility, proactivity, and result-oriented mindset

Посада: Senior Python Developer (Django/DRF, ERP/Accounting)

Ми шукаємо досвідченого Senior Python Developer, який спеціалізується на розробці та масштабуванні ERP/CRM-рішень, з акцентом на бухгалтерський облік та автоматизацію бізнес-процесів.

Вимоги

• 7+ років комерційного досвіду розробки на Python
• Глибокі знання Django та Django REST Framework
• Впевнений рівень роботи з PostgreSQL (оптимізація запитів, індексація, продуктивність)
• Досвід роботи з Celery та RabbitMQ у розподілених системах
• Практичний досвід у домені ERP/CRM, бажано з бухгалтерськими або звітними модулями
• Добре розуміння принципів проектування API (REST)
• Досвід роботи з Docker та CI/CD
• Знання архітектурних підходів (MVC, мікросервіси)
• Досвід з тестовими фреймворками (pytest, unittest)

Soft Skills

• Аналітичне та критичне мислення
• Вміння працювати в команді та ефективно комунікувати
• Відповідальність та орієнтація на результат

We are looking for an experienced Frontend Developer who will work on building and improving complex web applications. The role involves working with modern technologies, refactoring legacy code, and ensuring high-quality UI/UX.

Requirements:

• 5+ years of commercial experience in frontend development
• Excellent knowledge of React, TypeScript, Redux, RTK Query
• Strong expertise in HTML, CSS, responsive and cross-browser layout
• Experience working with legacy code: refactoring, improving structure and architecture
• Understanding and practical application of Accessibility principles (desired)
• Knowledge and hands-on experience with Object-Oriented Programming in JavaScript (ES6 classes, inheritance, encapsulation)
• Confident use of Git and collaborative development practices

Soft Skills

• Proactive and initiative-driven, able to suggest improvements
• Responsibility and ability to deliver results
• Problem-solving mindset and readiness to ask for help when needed
• Team player, open to collaboration and knowledge sharing

Шукаємо досвідченого Frontend Developer, який буде займатися розробкою та вдосконаленням складних веб-додатків. Роль передбачає роботу з сучасними технологіями, рефакторингом існуючого коду та забезпеченням високої якості UI/UX.

Вимоги

• 5+ років комерційного досвіду у frontend-розробці
• Відмінні знання React, TypeScript, Redux, RTK Query
• Глибокі знання HTML, CSS, адаптивна та кросбраузерна верстка
• Досвід роботи з legacy code: рефакторинг, покращення структури та архітектури
• Знання та практичний досвід роботи з об’єктно-орієнтованим програмуванням у JavaScript (класи ES6, наслідування, інкапсуляція)
• Розуміння та практичне застосування принципів Accessibility (бажано)
• Впевнене володіння Git та практиками командної розробки

Soft Skills

• Проактивність та ініціативність, здатність пропонувати покращення
• Відповідальність і вміння доводити завдання до результату
• Аналітичний підхід та готовність звертатися за допомогою при необхідності
• Командна робота та відкритість до обміну знаннями

Cowchain blockchain development company is actively looking for DevOps to join our development team.

Requirements
— 5+ years of DevOps or Site Reliability Engineering experience.
— Strong expertise with AWS (EKS, RDS, S3, MSK) and container orchestration (Kubernetes,
Docker).
— Hands-on experience with Terraform, Helm, and Infrastructure-as-Code (IaC).
— Experience setting up CI/CD pipelines (GitLab CI, GitHub Actions, or Jenkins).
— Strong knowledge of observability tools (Prometheus, Grafana, ELK/EFK).
— Solid understanding of networking, security, and cloud cost optimization.
— Experience with physical server setup, datacenter operations, and building custom hardware
infrastructure (“be your own cloud”).
— Fluent English (written/spoken); Russian or Ukrainian for internal communication.

Nice to Have:
— Experience with blockchain infrastructure (validators, staking, nodes).
— Knowledge of secrets management (Vault, AWS KMS, HashiCorp).
— Familiarity with monitoring financial transactions for compliance and risk management.
Responsibilities
— Build, maintain, and optimize cloud infrastructure to support global fintech applications.
— Design and manage scalable CI/CD pipelines for rapid and reliable deployments.
— Implement monitoring, alerting, and incident response systems.
— Ensure system reliability, high availability, and disaster recovery readiness.
— Set up and manage physical hardware infrastructure when required, ensuring on-premise systems
integrate seamlessly with cloud environments.
— Collaborate closely with software engineers, security teams, and blockchain specialists.
— Automate infrastructure and workflows to reduce manual operations.

What we offer:
— Flexible working schedule, remote work
— Competitive salary with bonuses for activities
— Ability to dive into fast-growing blockchain/crypto industry
— Work with modern tech stack (blockchain)
— Paid vacations, sick leaves
— 100% friendly/family team

We are looking for a 2D Artist to create illustrations, UI elements, and concept art for our projects. You will work closely with the design and development team. Remote work, flexible schedule.
Requirements:

• 1+ year of experience as a 2D artist
• Strong skills in Photoshop / Illustrator / Procreate or similar tools
• Ability to create concept art, illustrations, UI elements
• Basic understanding of composition and color theory

Responsibilities:

• Create graphic assets for projects
• Work on characters, objects, UI elements
• Collaborate with designers and developers

We offer:

• Remote work, flexible schedule
• Friendly team and growth opportunities

Cowchain blockchain development company is actively looking for Backend Developer to join our development team.

About us:
Cowchain have successfully completed 150+ projects mainly on EVM-based blockchains such as Ethereum, Polygon, Arbitrum, Base including Coinmarketcap leaders with 180M+ total capitalization and 20M+ daily trading volume in Move2Earn, Play2Earn and DeFi industries.
 
Required skills:

— Experience in fintech projects is a must
— At least 2-years commercial experience in the back-end development;
— Node.js Nest;
— MSSQL, MySQL, PostgreSQL;
— RabbitMQ, Redis Cache, BullMQ;
— JIRA, gitflow;
— EVM-based blockchains (Ethereum, Avalanche, Polygon, Binance Smart Chain, Velas, Hedera etc);
— Deep understanding of EVM and smart contracts (Solidity).
— DDD / Clean / Onion architecture
— Optimizing database queries, transactions, indexes, sharding/partitioning, migrations
— Working with payments, invoices, transactions, balances, idempotency, security (KYC/AML, PCI DSS), integration with payment providers and banking APIs
— Experience with asynchronous systems and queues (BullMQ, RabbitMQ, Kafka), ability to design fault-tolerant services (circuit breaker, retry, outbox pattern)
— Practical experience with DevOps tools

What will you do:
— New features development;
— Bugfixes and support existing solutions;
— Participate in project architecture discussions;
— Build solutions from scratch as well as join on-going development process;
— Have fun)
 
Will be a huge plus:
— Web3/Ethers libraries;
— React development experience;
— Experience with DEX/CEX integration (Uniswap, PancakeSwap, Binance API);
— Solidity / Hardhat / Foundry.

What we offer:
— Flexible working schedule, remote work;
— Competitive salary with bonuses for activities;
— Ability to dive into fast-growing blockchain/crypto industry;
— Work with modern tech stack (blockchain);
— Paid vacations, sick leaves;
— 100% friendly/family team.
 

We are looking for a Customer Support Specialist to join our team at Genie. We operate several international e-commerce stores and need someone who can deliver excellent support across different channels.

Responsibilities:

• Handle customer inquiries via live chat and email
• Provide support for multiple e-commerce brands under our company
• Assist with additional e-commerce related tasks when support volume is low (no advanced technical knowledge required)

Requirements:

• Good English skills (B1/B2 level) – you should be able to understand and reply to customer requests clearly and professionally
• Basic German skills are a strong plus (some support is in German; you can also use tools like ChatGPT for translation assistance)
• Strong communication skills, customer-oriented mindset, and problem-solving attitude
• Interest in e-commerce and willingness to learn new things

We offer:

• Remote position in an international and fast-growing environment
• Variety in daily work: from customer support to broader e-commerce tasks
• Opportunities to learn and grow in the e-commerce field
• Supportive team and flexible working culture

If you are motivated to help customers and want to develop your skills in the e-commerce industry, we’d love to hear from you! 🚀

We need a 3D Generalist/Animator with experience in modeling and animation. Tasks include creating 3D models, rigging, and animations for games and video projects. Remote work, growth opportunities.

Requirements:

• 1+ year of experience in 3D modeling and/or animation
• Experience with Blender / 3ds Max or similar software
• Knowledge of animation, rigging, texturing
• Willingness to learn new tools and techniques

Responsibilities:

• Create 3D models (characters, props, environments)
• Animate characters and elements

We offer:

• Remote work, flexible schedule
• Diverse projects (advertising, video)
• Professional growth opportunities

About The Company

At Mamma Mia Covers LLC, we don’t just sell home products — we deliver comfort, style, and functionality to every interior. Since 2018, we’ve been building a next-generation home & living brand for the U.S. and Canadian markets as the #1 global distributor and top-priority partner of the Italian factory Paulato.

Our signature product — stretch-fit slipcovers — is protected by an international patent and offers a unique blend of design and innovation unmatched in the market.

Each month, our team of 30+ professionals processes over 4,000 orders through platforms like Amazon, Shopify, and others, combining automation, data, and human creativity. We work in a remote or hybrid environment, use smart tools (Asana, AI, etc.), and foster a transparent, empowering environment where growth and ownership go hand in hand.

About The Role

As we grow we are now looking for an experienced Head of R&D who will lead our product development function and act as the key link between company strategy and product portfolio. This role requires a strong mix of strategic vision, analytical thinking, and hands-on management. You will oversee the full product lifecycle, ensuring that our products meet customer needs, comply with regulations, and contribute to long-term business growth.

What We Expect from You

🔹3+ years of experience in e-commerce, product development, or category management

🔹Experience managing a team of 3–5 people (Product Specialist, 3D/Graphic Designer, Researcher)

🔹Direct collaboration with C-level management and heads of Marketplace, Marketing, Finance, and Logistics

🔹Deep understanding of e-commerce market trends, consumer behavior, and best practices

🔹Hands-on experience with product research tools (Helium10, Jungle Scout, Keepa, Google Trends, SimilarWeb, etc.)

🔹Financial expertise: unit economics, ROI calculation, and sales forecasting

🔹Proven track record of launching products on Amazon

🔹Knowledge of product lifecycle, branding, and positioning strategies

🔹Understanding of design, materials, production, and certification processes

🔹Experience working with suppliers and manufacturers in China, Europe, or the U.S.

🔹English: Upper Intermediate or higher

Your Responsibilities

Product Strategy & Development

🔹Build and manage the company’s product portfolio in alignment with business strategy

🔹Identify new product opportunities and assess market potential

🔹Oversee the entire product lifecycle from research to launch

🔹Team Leadership & Coordination

🔹Lead and mentor the R&D team (specialists, designers, researchers)

🔹Set priorities, delegate tasks, and track performance

🔹Coordinate projects with Marketing, Marketplace, Finance, and Logistics departments

Research & Market Analysis

🔹Conduct market, competitor, and customer research

🔹Run A/B testing and analyze customer feedback to improve product offerings

🔹Develop strategies for entering new markets (localization, certification, adaptation)

Financial & Business Processes

🔹Calculate unit economics and profitability per product/SKU

🔹Prepare forecasts, evaluate ROI, and support decision-making with data

🔹Optimize processes and improve efficiency across R&D operations

External Relations

🔹Negotiate with suppliers and manufacturers

🔹Ensure compliance with patents, certifications, and regulatory requirements

🔹Monitor logistics and supply chain aspects for new product launches

Would Be A Plus

🔹Proven track record of launching products on Wayfair, Shopify and other e-commerce marketplaces

What We Offer

✨Competitive salary in USD

✨Timely and regular payments

✨Compensation for accounting services (for contractors/PE)

✨Remote or hybrid work options

✨Full-time employment tailored to your work pace

✨Transparent, paid 2-month probation period

✨Coverage of professional courses and certifications

✨Access to educational resources

✨Freedom to implement new tools and processes

✨Career growth opportunities

✨Clear vacation policy

✨Extra days off for important personal events

✨A day off on your birthday 

✨The supportive team where your contribution is truly valued

Ready to Build, Optimize & Scale a Thriving E-Commerce Business?

📩 If you’re a highly analytical, process-driven, and results-oriented leader who thrives on e-commerce strategy, efficiency, and data-driven decision-making, we’d love to hear from you!

We are looking for a detail-oriented PPC Specialist to manage and optimize paid advertising campaigns across Google Ads, Meta Ads, LinkedIn, and other platforms. You’ll be responsible for driving qualified traffic, improving ROI, and supporting business growth through smart ad strategies.

What You’ll Do

• Set up, manage, and optimize PPC campaigns (Google, Meta, LinkedIn, etc.).
• Conduct keyword research, create ad copy, and build targeting strategies.
• Monitor performance, analyze data, and prepare reports.
• Perform A/B testing to improve CTR, CPC, and conversions.
• Collaborate with marketing and sales teams to align campaigns with business goals.
• Stay updated on digital advertising trends and platform updates.

Requirements

• Strong knowledge of Google Ads, Meta Ads Manager (LinkedIn Ads is a plus).
• Analytical mindset, confident with performance data and reporting.
• English B1+ (for ad copy and communication).
• Attention to detail, result-oriented, proactive approach.

We Offer

• Full-time remote work, Mon–Fri (09:00–18:00).
• Access to professional tools and paid subscriptions.
• Mentorship and career growth opportunities (Senior PPC → Team Lead).
• International projects and a supportive team environment.

🙌 Apply now with your CV — let’s scale campaigns together!

We are looking for a 2D Artist to create illustrations, UI elements, and concept art for our projects. You will work closely with the design and development team. Remote work, flexible schedule.

Requirements:

• 1+ year of experience as a 2D artist
• Strong skills in Photoshop / Illustrator / Procreate or similar tools
• Ability to create concept art, illustrations, UI elements
• Basic understanding of composition and color theory

Responsibilities:

• Create graphic assets for projects
• Work on characters, objects, UI elements
• Collaborate with designers and developers

We offer:

• Remote work, flexible schedule
• Friendly team and growth opportunities

Join an innovative EdTech startup that’s revolutionizing math education with an adaptive platform for dynamic exercise generation. We’re looking for a Python engineer with deep expertise in SymPy who enjoys solving mathematical challenges through clean, maintainable code.

Who We’re Looking For

• 3–5+ years of experience with Python and strong software engineering practices.
• Expertise with SymPy — symbolic computation, equation solving, simplification, expression manipulation, step-by-step derivations.
• Solid understanding of mathematical concepts (undergraduate level or higher).
• Structured, collaborative mindset and ability to communicate with non-developers.
• English at Upper-Intermediate or higher.

What You’ll Do

- Refactor and improve the existing Python/SymPy library for dynamic math exercise generation.

- Implement complex mathematical logic: symbolic simplification, solving, factoring, transformations.

- Collaborate with educators, researchers, and AI engineers to ensure mathematical accuracy and pedagogical value.

About the Company

A French EdTech startup working at the intersection of mathematics, Python, and AI.
The platform generates personalized math exercises with step-by-step reasoning, automatically checks handwritten solutions, and empowers educators with high-quality content tools.

The team brings together scientists, professors, and engineers, collaborating with universities in France to improve the quality of mathematics education worldwide.

ELEKS Artificial Intelligence Office is looking for a Senior Data Scientist in Ukraine.

ABOUT PROJECT

Our Client is Europe’s leading health, sport, and leisure group. The organization operates 116 clubs, including 100 in the UK and additional locations across the Republic of Ireland, mainland Europe, and Asia. With billions in annual turnover, the group offers premium sports facilities, tennis courts, gyms, and wellness programs for its members.

REQUIREMENTS

• 5+ years of practical experience as a Data Science Engineer or similar role.
• 2+ years of proven experience in building and deploying chatbots or conversational agents in production.
• Strong hands-on knowledge of Large Language Models (LLMs) and frameworks such as LangChain, LangGraph, LangFlow, RAG pipelines.
• Proficiency in Python and chatbot development toolchains.
• Deep understanding of conversational AI principles, including dialog management, fine-tuning, and model evaluation.
• Strong communication skills with the ability to explain technical concepts to non-technical stakeholders.

• A proactive mindset to propose innovative ideas and guide the technical roadmap for future chatbot releases.

   

RESPONSIBILITIES

• Lead the development and improvement of an AI-powered chatbot integrated into a membership ecosystem for iOS and Android.
• Ensure scalability, security, and a high-quality user experience in production-ready conversational solutions.
• Design and optimize conversational flows, personalization features, and integration with client documentation systems.
• Collaborate with client stakeholders (Product Owners, Digital Director, consultants) to align chatbot strategy with business goals.
• Mentor and guide junior data scientists within the team.
• Work closely with cross-functional colleagues (Backend, Mobile, QA, BA, DevOps) in an Agile/Kanban delivery model.

🧭 What makes you a great match:

• 3+ years in SEO, SERM, or brand protection within the iGaming industry;
• Solid understanding of search engine algorithms, black hat tactics, and suppression techniques;
• Strong existing network of SEO/SERM vendors (ideally tested within iGaming verticals);
• Proficiency in SEO tools (Ahrefs, SEMrush, Serpstat, Google Search Console, etc.);
• Excellent coordination, communication, and vendor management skills;
• Analytical thinking, proactive problem-solving, and resilience under pressure.
   

📋 Your daily adventures:

• Develop and execute our SERM (Search Engine Reputation Management) strategy to ensure positive brand visibility across search engines;
• Detect and counteract brand impersonation, scam sites, clone domains, or misleading SERP results;
• Coordinate and manage external SEO/SERM partners working across all company products;
• Monitor branded queries to suppress negative or unauthorized content using technical SEO, link building, and other tactics;
• Collaborate with marketing, legal, and product teams on brand safety initiatives;
• Conduct regular SERP audits, competitor analysis, and reporting on brand-related traffic risks;
• Actively manage and grow our vendor database — selecting only those with proven iGaming experience.
   

Benefits

💸 Flexible payment options: choose the method that works best for you.

🧾 Tax assistance included: we handle part of your taxes and provide guidance on the local setup.

🎁 Financial perks: Bonuses for holidays, B-day, work milestones and more - just to show we care.

📈 Learn & grow: We cover courses and certifications — and offer real opportunities to grow your career with us.

🥐 Benefit Сafeteria: Choose what suits you — sports, language courses, therapy sessions, and more.

🎉 Stay connected: From team-building events to industry conferences — we bring people together online, offline, and on stage.

💻 Modern Equipment: We provide new laptops along with essential peripherals like monitors and headphones for a comfortable workflow.

🕘 Your schedule, your rules: Start your day at 9, 10, or even 11 — we care about results, not clock-ins.

We are looking for an experienced CRO Consultant with strong expertise in A/B testing. In this role, you will develop data-driven optimization strategies, create concepts in Figma, and work closely with our UX/UI design team. You will be responsible for analyzing user behavior and helping our clients increase their conversion rate and average order value.
 

Your Responsibilities

• Develop and execute A/B tests to optimize conversions
• Create test concepts and variations in Figma
• Collaborate closely with UX/UI designers and developers
• Analyze user behavior, conversion funnels, and test results
• Derive actionable recommendations to improve conversion rate and AOV
   

Your Profile

• Proven experience in Conversion Rate Optimization and A/B testing
• Strong analytical skills and hands-on experience with common testing and analytics tools
• Proficiency in Figma and solid understanding of UX/UI principles
• Excellent communication skills and ability to present complex insights clearly
• Independent, structured, and proactive working style
   

What We Offer

• Exciting projects with leading D2C and B2B brands
• A cross-functional team of developers, designers, and strategists
• Flexible working models (remote or hybrid)
• Opportunities for personal growth and professional development