Jobs at Djinni
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· 50 views · 6 applications · 25d
Machine Learning Specialist – Price Prediction
Full Remote · Countries of Europe or Ukraine · Product · 3 years of experience · IntermediateAbout Us Cherry is a fast-growing market place for buying, selling, leasing, and auctioning commercial vehicles and equipment. We’re building an industry-first valuation engine that helps our users make informed decisions in seconds. Now, we’re looking...About Us
Cherry is a fast-growing market place for buying, selling, leasing, and auctioning commercial vehicles and equipment. We’re building an industry-first valuation engine that helps our users make informed decisions in seconds. Now, we’re looking for a Machine Learning Engineer who can bring strong expertise in predictive modeling, and ideally document automation using AI.
Role Overview
We are seeking an experienced ML specialist to build models that predict market prices for trucks and equipment based on auction results, historical sales, and vehicle specifications. This role will also involve setting up automated data pipelines, scraping structured and semi-structured data, and optionally working on generating intelligent reports or documents from data.
Key Responsibilities
- Build and refine price prediction models using data from auction sites, dealership listings, and historical records.
- Design and maintain data scraping pipelines will be a plus (e.g., BeautifulSoup, Selenium, Scrapy) to gather auction and sale data from multiple public sources.
- Clean, normalize, and store data efficiently for training and inference.
- Apply feature engineering techniques on specs like make, model, mileage, year, VIN, etc.
- Work closely with product and engineering teams to deploy models in production.
- (Optional but valued): Use NLP or generative AI to create documents or listing descriptions automatically.
Requirements
- Proven experience in machine learning with a focus on regression/predictive models.
- Strong Python skills; familiar with tools like Scikit-learn, XGBoost, LightGBM, TensorFlow, or PyTorch.
- Experience in web scraping is a plus (BeautifulSoup, Scrapy, etc.).
- Familiarity with model evaluation metrics for regression (e.g., RMSE, MAE).
- Comfortable working with structured data (CSV, JSON, APIs) and preprocessing pipelines.
- Fluent in Git and version control workflows.
- Experience deploying or working with models in production (FastAPI, Flask, AWS/GCP preferred).
Nice to Have
Familiarity with automated document generation, AI agents, or LLM APIs (OpenAI, Langchain).
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· 366 views · 114 applications · 25d
Customer Service (online chats, crypto)
Full Remote · Worldwide · Product · 1 year of experience · Advanced/FluentMEXC is looking for a remote Customer Service Agents for CIS region. If you're passionate about crypto and want to become part of a global exchange, then you are precisely the person we are looking for! Why us? MEXC (www.mexc.com) is one of the world's...MEXC is looking for a remote Customer Service Agents for CIS region. If you're passionate about crypto and want to become part of a global exchange, then you are precisely the person we are looking for!
Why us?
- MEXC (www.mexc.com) is one of the world's fastest-growing digital asset exchanges by trading volume (Top 7 according to CoinMarketCap).
- Competitive salary + bimonthly bonuses
- Career Advancement
- Various benefits and support from the company
- Fully remote work – you can work from anywhere!
About the Role
Responsibilities
- Responsible for receiving inquiries from users through online customer service tools and answering users' concerns;
- Timely feedback on the problems existing in the process, collect and sort out problems;
- Strong business sensitivity, able to grasp essential business concepts after training. Financial knowledge and experience are preferred;
- Brainstorm obstacles in user experience, dig out user needs, and promote problem-solving and process optimization;
- Able to adapt to shift work. / Able to adapt to long night shift work.
Requirements
- Crypto native, strong knowledge of trading (spot, futures);
- Good logical thinking ability, able to judge the real needs of users;
- Enthusiastic about customer service, responsible for customer experience, and able to provide comprehensive problem solutions;
- Effectively adjust communication methods and styles according to different objects;
- Have self-management skills and be able to work independently in a fast-paced environment that is constantly changing;
- Good learning ability, good at discovery and self-summarization;
- Have experience in providing support to customers, and the support methods include telephone, email, work order, and online chat service in crypto exchanges or in crypto projects
- Native Russian or Ukrainian and fluent in English
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· 91 views · 9 applications · 25d
Senior Software Engineer (.NET + Java)
Full Remote · Ukraine · 5 years of experience · Upper-IntermediateClient Our client is a global music and entertainment industry conglomerate headquartered in the US, with offices in over 60 countries. The company is undergoing a large-scale digital transformation focused on modernizing financial systems, integrating...Client
Our client is a global music and entertainment industry conglomerate headquartered in the US, with offices in over 60 countries. The company is undergoing a large-scale digital transformation focused on modernizing financial systems, integrating data across platforms, and optimizing internal business processes.
Responsibilities
- Design, develop, and maintain backend services and APIs using .NET (C#) and Java (Spring Boot)
- Collaborate with product owners, business analysts, and other developers to define and implement technical solutions
- Build scalable, secure, and maintainable systems following industry best practices
- Participate in code reviews and ensure code quality, test coverage, and adherence to architectural standards
- Contribute to technical design discussions and system architecture decisions
- Support CI/CD processes and deployment pipelines using tools such as Jenkins, Git, or GitHub Actions
- Investigate and resolve production issues, ensuring system stability and performance
Requirements
- 5+ years of hands-on experience in backend development with .NET
- 2+ years of experience with Java (preferably Spring Boot)
- Strong understanding of object-oriented programming, clean architecture, and design patterns
- Experience developing RESTful APIs and integrating with third-party services
- Proficiency with relational databases (e.g., SQL Server, PostgreSQL)
- Experience with containerization technologies (e.g., Docker) and orchestration tools (Kubernetes is a plus)
- Familiarity with cloud environments, especially AWS and services like S3, EC2, and Lambda
- Upper-intermediate or higher level of English, with excellent communication and documentation skills
Nice to have
- Experience working in the music, media, or entertainment industries
- Knowledge of front-end technologies such as Angular or React
- Familiarity with microservices, messaging systems (e.g., Kafka, RabbitMQ), and event-driven architecture
- Exposure to DevOps practices and Infrastructure as Code (e.g., Terraform, CloudFormation)
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· 289 views · 107 applications · 25d
Java/Kotlin Backend Developer
Full Remote · Countries of Europe or Ukraine · 3 years of experience · Upper-IntermediateAbout the Role: We are looking for a skilled Java/Kotlin Backend Developer to join our team. The role involves a balanced mix of new feature development and optimization of the existing codebase within a microservices environment. You will work with...About the Role:
We are looking for a skilled Java/Kotlin Backend Developer to join our team. The role involves a balanced mix of new feature development and optimization of the existing codebase within a microservices environment. You will work with modern technologies, improve system performance, and directly communicate with the client from Israel in English.Responsibilities:
- Develop and maintain backend services using Java 21 and Kotlin
- Design and implement solutions following microservices architecture and clean code principles
- Work with Spring Framework and Hibernate for backend development
- Optimize database operations by writing and tuning native SQL queries
- Integrate and maintain communication with Apache Kafka
- (Optional) Manage scheduled tasks using Quartz Scheduler
- Collaborate with cross-functional teams to deliver high-quality solutions
Requirements:
- 3+ years of experience in backend development with Java and/or Kotlin
- Strong knowledge of Spring Framework and Hibernate
- Practical experience with Kafka or other message brokers
- Proficiency in SQL performance tuning and optimization
- Understanding of clean code design patterns and microservices principles
- Experience with Quartz Scheduler is a plus
- Strong English communication skills (both written and verbal) for direct interaction with the client
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· 77 views · 13 applications · 25d
Technical Lead Backend Engineer
Office Work · United Arab Emirates · 7 years of experienceJob description: About Bamboo Card: Bamboo Card is a leading e-gift card distribution agency, offering seamless digital gifting solutions globally. We are expanding our tech team and looking for a skilled Technical Lead to drive innovation and...Job description:
About Bamboo Card: Bamboo Card is a leading e-gift card distribution agency, offering seamless digital gifting solutions globally. We are expanding our tech team and looking for a skilled Technical Lead to drive innovation and excellence in our software development efforts.
Role Overview: As a Technical Lead, you will guide the development team towards successful project delivery while providing technical leadership, mentorship, and expertise in backend development. You will play a key role in designing and developing high-quality software solutions, ensuring scalability, performance, and security.Job requirements
- Strong understanding of algorithm complexity, data structures, concurrency, and system performance.
- Solid experience with object-oriented programming principles, design patterns, and refactoring techniques.
- 3+ years in a technical leadership or team lead role.
- 7+ years of hands-on experience developing backend components using .NET Core, EF Core, and both relational and non-relational databases.
- Proven expertise in performance optimization and troubleshooting.
- Experience in building monitoring tools to assess system health.
- Hands-on experience with Microservices & Event-Driven Architecture.
- Strong expertise in Docker and containerization.
- Experience in designing applications for load/performance tests.
- Proficiency with Git and other version control tools.
- Strong knowledge of CI/CD best practices.
- AWS experience is a plus.
- Familiarity with ASP .NET Zero, ASP Boilerplate, and ABP Framework is a plus.
Experience with NopCommerce development is a bonus.
Job responsibilities
- Lead and mentor a team of software engineers to deliver high-quality solutions on time.
- Establish and maintain best practices in software development, including coding standards, code reviews, and system architecture.
- Collaborate with software developers, business analysts, and software architects to plan, design, develop, test, and maintain business applications.
- Drive the adoption of modern technologies and methodologies to enhance software quality and team productivity.
- Collect and document user requirements, develop user stories, estimates, and work plans.
- Prepare technical reports, manuals, and documentation related to software operation and maintenance.
- Design, develop, and unit test applications in accordance with established standards.
- Participate in peer reviews of solution designs and related code.
- Oversee the migration of legacy applications to modern Microsoft technologies.
- Develop, refine, and optimize integrations between applications.
- Troubleshoot and resolve technical and application-related issues.
- Identify areas for application and process improvement and provide recommendations.
- Ensure software solutions are delivered on time and within budget while maintaining high development standards.
- Provide third-level support to business users.
- Research and evaluate various software products and technologies for potential adoption.
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· 52 views · 9 applications · 25d
Quantitative Developer
EU · Product · 5 years of experience · Upper-IntermediateAbout InvestGPT InvestGPT is a cutting-edge AI-powered investment platform that leverages advanced machine learning technologies to deliver personalized investment recommendations. We combine the power of artificial intelligence with deep financial...About InvestGPT
InvestGPT is a cutting-edge AI-powered investment platform that leverages advanced machine learning technologies to deliver personalized investment recommendations. We combine the power of artificial intelligence with deep financial expertise to create the next generation of investment tools for retail and institutional clients across European markets.
🎯 What You'll Do:Algorithm & Model Development:
- Design and optimize quantitative models for analyzing European and global financial instruments
- Develop machine learning algorithms for price prediction and market trend analysis
- Implement proprietary scoring systems (similar to Kai Score) for investment attractiveness assessment
- Build factor models for European equity markets (STOXX, DAX, FTSE)
AI/ML Integration:
- Integrate Large Language Models (GPT-4, Claude, Llama) with real-time financial data streams
- Develop RAG (Retrieval-Augmented Generation) systems for enhanced financial analytics
- Create sentiment analysis systems for multi-language European news and social media
- Implement natural language interfaces for complex financial queries
Data Engineering & Analytics:
- Build robust pipelines for processing real-time and historical European market data
- Develop alternative data systems (news, social media, macro indicators, satellite data)
- Create comprehensive portfolio performance metrics (Sharpe ratio, maximum drawdown, VaR)
- Implement ESG scoring integration for sustainable investing trends
Backtesting & Risk Management:
- Develop sophisticated backtesting frameworks for trading strategies
- Statistical model validation and A/B testing implementation
- Real-time model performance monitoring in production
Compliance with MiFID II and European financial regulations
📈 Requirements:
- Education & Experience:
- Master's degree in Mathematics, Physics, Computer Science, Quantitative Finance, or Economics
- 3+ years in quantitative analysis, fintech, or financial services
- Proven experience with European financial markets and instruments
Strong foundation in modern ML/AI methodologies
Technical Skills:
- Advanced programming skills in Python and SQL
- Experience with financial data providers (Bloomberg, Refinitiv, Alpha Vantage)
- Knowledge of European market microstructure
Understanding of regulatory frameworks (MiFID II, UCITS, AIFMD)
Soft Skills:
- Analytical mindset with exceptional attention to detail
- Ability to work in uncertainty and adapt quickly
- Strong communication skills in English (German is a plus)
Collaborative approach to cross-functional teamwork
Languages:
- English: Fluent (working language)
- German: Conversational level preferred
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· 30 views · 0 applications · 25d
Software Engineer in Test (C++/Python) Krakow
Office Work · Poland · 2 years of experience · Upper-IntermediateDescription As a Software Development Engineer in Test, you will have the opportunity to work with components of robotic surgical systems on the client’s side. Our client is located in NC, USA, and is a medical technology company focused on transforming...Description
As a Software Development Engineer in Test, you will have the opportunity to work with components of robotic surgical systems on the client’s side.
Our client is located in NC, USA, and is a medical technology company focused on transforming surgical care through the integration of robotics, digital tools, and real-time analytics. Their innovative platform enables enhanced precision and efficiency in minimally invasive procedures, supporting improved clinical and economic outcomes.Requirements
• Bachelor’s degree in Engineering, Biomedical, Computer, Electrical, or Software preferred.
• Python and C++ programming experience is required
• Strong understanding of testing methodologies, both manual and automated.
• Strong technical writing skills, with the ability to write, edit, and follow test protocols and test reports.
• Familiarity with regulated industry and testing environments (i.e. ISO 9001, ISO 13485, 21 CFR 820)
• Experience in manual testing of HW components
• Proficiency using testing tools and equipment
• Strong analytical and problem-solving skills
• Excellent communication skills and ability to work in a team environment
• Proficiency in English and ability to communicate with the clients
• Knowledge of Reliability testing is a plus
• Medical device or robotics industry is a plus.
Job responsibilities
- Conduct comprehensive tests on surgical robot components and ensure thorough documentation of the testing process.
- Perform manual tests on surgical robot components and input devices
- Utilize appropriate testing tools and methodologies for accurate assessment
- Prepare detailed reports and documentation for each test scenario operations in the team.
- Collaborate with the development team and the client to identify and resolve issues
- Ensure compliance with safety and performance standards
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· 40 views · 5 applications · 25d
Security Engineer
Full Remote · Ukraine · Product · 3 years of experience · Upper-IntermediateWe are inviting you, a highly motivated and results-oriented Security Engineer to join our team for ensuring and developing solutions, as well as strengthening the product infrastructure. Our team has unique expertise in research, analysis, and product...We are inviting you, a highly motivated and results-oriented Security Engineer to join our team for ensuring and developing solutions, as well as strengthening the product infrastructure.
Our team has unique expertise in research, analysis, and product development. By relying on technical insights and a data-driven approach, we create disruptive future-defining innovations of the fin-tech industry that remain our basis for success.
Responsibilities
- Develop, implement, maintain, upgrade, and test cybersecurity products
- Provide cybersecurity-related support to users and customers
- Integrate cybersecurity solutions into systems and services, ensuring their stability and performance
- Securely configure systems, services, and products
- Maintain and upgrade the security of systems, services, and products
- Implement cybersecurity procedures and controls
- Monitor and ensure the performance of the implemented cybersecurity controls
- Document and report on the security of systems, services, and products
- Work closely with the Engineering teams on cybersecurity-related actions
Implement, apply, and manage patches to products to address technical vulnerabilities
Requirements
- 3+ years of experience in information security and cybersecurity roles
- Background in development, DevOps, system administration, etc.
- Hands-on experience in developing, integrating, and testing security solutions
- Experience with vulnerability analysis and incident response
- Proficiency in scripting languages such as Python, Bash, PowerShell, etc
- Solid understanding of secure development lifecycle, operating system security, and computer network security
- Experience with both offensive and defensive security practices
- Knowledge of cybersecurity controls, solutions, and technologies
- Ability to collaborate with cross-functional teams and colleagues
- Effective communication and presentation skills to report to stakeholders
- Strong analytical and problem-solving skills
- Reliability, integrity, and responsibility in handling sensitive information and security tasks
Upper-Intermediate English
Will be a plus
- Experience with Ruby, Go, or other programming languages
Security certifications
We offer
- Tax expenses coverage for private entrepreneurs in Ukraine
- Expert support and guidance for Ukrainian private entrepreneurs
- 20 paid vacation days per year
- 10 paid sick leave days per year
- Public holidays as per the company’s approved Public holiday list
- Medical insurance
- Opportunity to work remotely
- Professional education budget
- Language learning budget
- Wellness budget (gym membership, sports gear and related expenses)
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· 45 views · 3 applications · 5d
Email Marketing Manager
Office Work · Ukraine (Kyiv) · 3 years of experience · Upper-IntermediateWe are an international digital marketing agency specializing in supporting projects of various levels of complexity. Our services include: development and implementation of marketing strategies, product/service advertising and promotion, email marketing,...We are an international digital marketing agency specializing in supporting projects of various levels of complexity.
Our services include: development and implementation of marketing strategies, product/service advertising and promotion, email marketing, SMM expertise, and data & web analytics.
We are looking for a talented Email Marketing Manager to join our team.
Requirements:
• At least 2 years of experience in email marketing
• Solid understanding of email marketing principles and tools, audience segmentation methods, and performance optimization techniques
• Hands-on experience with email marketing platforms such as Customer.io, etc.
• Basic knowledge of HTML & CSS
• Basic understanding of JSON and ability to work with webhooks
• Experience with analytics tools such as Google Analytics, Power BI, or similar
• Experience generating A/B test hypotheses, validating them, conducting tests, and analyzing results
• Deep knowledge of customer segmentation and experience with different stages of the customer lifecycle
• Ability to connect and configure necessary tools for work (and/or create tasks for developers)
• Experience analyzing metrics and using insights to optimize email marketing strategies
• Upper-intermediate level of English
• Attention to detail, responsibility, ability to work in a team, and meet deadlines
Responsibilities:
• Adapt content for email campaigns, including copy and visuals
• Create and optimize targeted email campaigns, including promotions, news, and bonus updates
• Segment audiences to ensure effective targeting based on user interests and preferences
• Develop ideas to optimize and maintain user communication channels (email, SMS, push)
• Analyze performance metrics of email campaigns: open rates, click-through rates, conversions
• Conduct A/B testing to determine the most effective email marketing strategies and tactics
• Maintain documentation for projects
What We Offer:
• Mentorship from company leaders throughout the 3-month probationary period
• A professional onboarding program supported by the HR team
• A comfortable office in Kyiv (left bank)
• 24 calendar days of annual leave and an additional 11 days for public holidays
• Personal greetings and recognition from the company for significant life events
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· 51 views · 7 applications · 25d
Web Scraper/Web Researcher
Full Remote · Countries of Europe or Ukraine · 3 years of experience · Upper-IntermediateAbout the Role We are seeking a detail-oriented Web Scraper/Web Researcher to join client's team. This position involves extracting, analyzing, and organizing data from various online sources to support business intelligence and research...About the Role
We are seeking a detail-oriented Web Scraper/Web Researcher to join client's team. This position involves extracting, analyzing, and organizing data from various online sources to support business intelligence and research initiatives
Key Responsibilities- Identify and extract relevant data from websites, databases, and online platforms
- Conduct comprehensive web research across multiple industries and domains
- Verify data accuracy and maintain quality standards
- Organize and structure collected information for analysis
- Monitor websites for changes and updates
- Collaborate with teams to understand data requirements
- Document research methodologies and data sources
Required Qualifications
- Proven experience in web scraping and online research
- Strong analytical and problem-solving skills
- Excellent attention to detail and accuracy
- Ability to work with large datasets and complex information
- Understanding of web structures, HTML, and data formats
- Experience with data validation and quality assurance
- Strong organizational and time management skills
- Excellent written and verbal communication
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· 31 views · 0 applications · 25d
System Designer
Office Work · Cyprus · Product · 4 years of experience · Upper-IntermediateWe’re BrainRocket — an international software development and digital solutions company driven by 1,300 talented professionals across Cyprus, Malta, and Portugal. Here, everything moves at rocket speed: driving innovation, pioneering projects, and...We’re BrainRocket — an international software development and digital solutions company driven by 1,300 talented professionals across Cyprus, Malta, and Portugal. Here, everything moves at rocket speed: driving innovation, pioneering projects, and fast-tracking careers. Together, we turn ideas into action—let’s get started!
We are looking for a System Designer to join our team and help build, update, and maintain our design systems.
In this role, you will:
Create & Update Systems: Develop and continuously update our design systems to keep them modern, scalable, and aligned with current trends.
Collaborate & Mentor: Work closely with other designers—potentially managing and teaching them—to ensure a consistent design approach across all tools.
Integrate Feedback: Incorporate new features from the UX team and suggestions from stakeholders to improve and expand our design systems.
✅ Requirements:
✔️4+ years of experience in UX/UI design.✔️3+ years of experience working on or managing design systems.
✔️Experience designing for multiple platforms, including Web, iOS, and Android.
✔️Excellent understanding of Figma, its tokens, autolayouts and all the latest updates.
✔️Incorporate new features to the Design System as well as adjustments gathered from different sources.
✔️Good knowledge of HTML, CSS, and the basics of client-server architecture.
✔️Ability to work collaboratively in a cross-functional team with a low-ego, high-impact mindset.
✔️The candidate should have an engineering mindset, applying systematic, analytical thinking to design and refine scalable, integrated design solutions.
✔️Strong presentation and documentation skills, with an eye for detail in visual design and brand consistency.
✅ Responsibilities:
✔️Design creative solutions for A/B testing and experiments across digital platforms.
✔️Partner with Product Owners to define business requirements and collaborate with researchers for insights.
✔️Collaborate with analytics to analyze test results and user feedback to iterate and refine designs.
✅ We offer excellent benefits, including but not limited to:
✔️Working with the latest technologies (Nest, Kubernetes, MongoDB, GraphQL, MySQL, etc);
🧑🏻💻Learning and development opportunities and interesting, challenging tasks;
📝Official employment under the laws of Cyprus and the EU, registration of family members;
✈️ Relocation package (tickets, staying in a hotel for 2 weeks);
🏋️♂️ Company fitness corner in the office for employees;
📚 Opportunity to develop language skills and partial compensation for the cost of language classes;
🎁 Birthday celebration present;
🏝 Time for proper rest and 24 working days of Annual Vacation;
🍲 Breakfasts and lunches in the office (partially paid by the company).Join BrainRocket and rock with us! 🚀
Bold moves start here. Make yours. Apply today!
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· 110 views · 35 applications · 25d
Design Team Leader
Full Remote · EU · 5 years of experience · Upper-IntermediateCapsLock builds exceptional IT marketing solutions for large partners from North America. We create a unique marketing platform to deliver high-quality service in different industries. Our people's diversity and their ideas inspire the innovation that...CapsLock builds exceptional IT marketing solutions for large partners from North America. We create a unique marketing platform to deliver high-quality service in different industries.
Our people's diversity and their ideas inspire the innovation that runs through everything we do, from unique technology to industry-leading services and customer experiences. We believe teams that openly support and challenge each other are destined for success!
CapsLock is seeking an experienced and motivated Design Team Lead to guide and mentor a talented team of designers, drive creative direction, and shape the development of marketing projects. You will be responsible for overseeing the creative delivery of design solutions, setting best practices, and ensuring the quality and effectiveness of our visual marketing strategies. This role requires both creative expertise and leadership capabilities, with a strong focus on collaboration across departments.
Job Description:
- Lead, mentor, and guide the design team
- Drive creative direction decisions, ensuring marketing effectiveness, visual appeal, and client’s brand consistency
- Track design effectiveness by split-testing approach
- Ensure the production of visually compelling and on-brand marketing materials
- Develop design strategies for various marketing campaigns and platforms
- Monitor project progress, offering creative guidance and leadership
- Collaborate closely with business unit representatives, frontend developers, and marketing teams
- Research, design, implement, and manage high-quality marketing design solutions
- Develop and maintain design documentation and style guides
- Oversee design quality and enforce best practices, including conducting design reviews
- Continuously identify areas for design improvement and ensure timely updates
- Stay up-to-date with emerging design trends and marketing best practices
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· 64 views · 21 applications · 25d
Python Developer - Data Extraction Hourly Project
Part-time · Full Remote · Worldwide · 3 years of experience · Upper-IntermediateWhat You’ll Do: • Extract data from emails (across 4–5 inboxes) and WhatsApp chats – including exporting full message history • Possibly extract structured data from PDF documents • Search across 5–8 years of emails using keyword...What You’ll Do:
• Extract data from emails (across 4–5 inboxes) and WhatsApp chats – including exporting full message history
• Possibly extract structured data from PDF documents
• Search across 5–8 years of emails using keyword filtering
• Identify and extract key client details (e.g., names, phone numbers) and input them into a centralized table
• Collaborate quickly and execute tasks independently and efficiently under time pressure⸻
✅ Requirements:
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• Advanced Python scripting skills, including use of libraries like imaplib, PyMuPDF, pdfplumber, or similar
• Experience with web scraping and data extraction from unstructured sources
• Familiarity with WhatsApp history export formats (JSON or TXT) and ability to parse locally
• Working knowledge of email APIs (Gmail, Outlook, etc.)
• Ability to filter and process data based on keywords and context
• Strong attention to detail and ability to handle large volumes of data
• Must be available to start immediately and deliver by Sunday evening -
· 45 views · 0 applications · 25d
Embedded/Hardware Security Researcher
Ukraine · Product · 3 years of experience · IntermediateSamsung R&D Institute Ukraine is looking for a passionate and collaborative Embedded/Hardware Security Researcher to join our team in Kyiv. If you love working directly on consumer-facing products we are glad to meet you at our team in Samsung R&D...Samsung R&D Institute Ukraine is looking for a passionate and collaborative Embedded/Hardware Security Researcher to join our team in Kyiv.
If you love working directly on consumer-facing products we are glad to meet you at our team in Samsung R&D Institute Ukraine.
Embedded systems vulnerability assessment and HW related white/grey/blackbox penetration testing of Samsung mobile products:- Perform security testing, including pentest of HW and low level firmware device components, security mechanisms
- Conduct risk analysis and security issues mitigation advisory for discovered issues
- Participate in exploitability Proof-of-Concepts development
- Monitor public sources, reproduce externally-reported HW related vulnerabilities
- Research and monitor emerging threats, including new attack methods and new types of security issues
Requirements:
- Binary reverse-engineering experience
- Knowledge of digital schematics, logic analyzers, HW protocols (I2C, SPI, JTAG, UART), ROM / Bus / Periphery operation
- Understanding of typical software security issues (stack/heap exploitation, code injection, design flaws and oth.)
- Experience with disassemblers
- Proficiency with C/C++, Assemblers (x86/x86_64, ARM)
As a plus:
- Soldering skills, ability to modify the target device
- Embedded firmware reverse-engineering, software exploitation experience
- Experience with HW related attacks (ex. side channel analysis, Fault Injections, power analysis)
- Understanding of Linux Kernel architecture, ARM TrustZone, Secure Boot as a great plus
- Digital schematics and documentation analysis, PCB development skills as a plus
- Participation in security contests, CTFs
Benefits:
- competitive salary, annual salary review, annual bonuses
- paid 28 work days of annual vacations and sick leaves
- opportunity to become an inventor of international patents with paid bonuses
- medical & life insurance for employees and their children
- paid lunches
- discounts to Samsung products, services
- regular education and self-development on internal courses and seminars
- hybrid work format, working in office is required for some tasks
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· 14 views · 0 applications · 25d
Lead Full-Stack Engineer (.Net and React) / Tech Lead
Full Remote · Ukraine · Product · 7 years of experience · Upper-IntermediateAbout the Role As a Lead Full-Stack Developer (Tech Lead), you will take a hands-on leadership role in the design, development, and delivery of high-traffic, customer-facing applications across international markets including the United Kingdom,...About the Role
As a Lead Full-Stack Developer (Tech Lead), you will take a hands-on leadership role in the design, development, and delivery of high-traffic, customer-facing applications across international markets including the United Kingdom, Germany, Spain, France, and Japan. In addition to building scalable solutions using React, .NET Core, .NET 6+, and C#, you will guide the technical direction of the team, mentor engineers, and ensure best practices in architecture, code quality, and deployment.
This is a high-impact role where you’ll shape how we scale and evolve our international platform, which supports 1M+ daily users and processes over 2B monthly requests. You’ll work cross-functionally with Product, UX, and Engineering stakeholders and help drive our strategy around performance, scalability, and AI integration.
What You’ll Do
- Lead the design and development of full-stack web applications using React and .NET technologies.
- Act as a technical mentor and thought leader for a team of engineers, supporting growth and encouraging a culture of engineering excellence.
- Collaborate with Product Managers, UX Designers, and cross-functional teams to translate business requirements into scalable technical solutions.
- Set and maintain high standards for code quality, testing, and CI/CD practices.
- Conduct code reviews, provide architectural guidance, and ensure alignment with best practices.
- Monitor production systems, ensure high availability and performance, and proactively address technical debt.
- Drive the implementation of AI-powered features and LLM-based flows, contributing to our innovation strategy.
Promote a DevOps mindset and lead continuous improvements in deployment frequency, development velocity, and system reliability.
What We’re Looking For
- 7+ years of experience in commercial full-stack development, with at least 2+ years in a technical leadership or lead developer role.
- Deep expertise in .NET Core, C#, and React.
- Strong understanding of modern web architecture, microservices, REST APIs, and asynchronous programming.
- Proficiency with automated testing frameworks such as Jest/Vitest, Playwright, and NUnit.
- Experience guiding teams through Agile development processes and continuous integration/delivery.
- Upper-Intermediate level of English or higher, with strong communication and collaboration skills.
- A proactive, solution-oriented mindset with a passion for mentoring and enabling teams.
Curiosity and enthusiasm for AI technologies, with a desire to explore and implement AI-driven solutions.
Perks and Benefits
- Time off throughout the year (paid and unpaid)
- Professional development support and encouragement
- Resources to help improve your overall well-being
- Free membership to dive into JA product
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