Jobs at Djinni

A fast-growing international product company is developing a large-scale consumer platform that connects millions of users worldwide. The product focuses on interactive online experiences and enables creators to engage with their audiences and monetize their content.

Founded in the US, the company has grown into a global team of 300+ professionals working on a high-traffic platform used by hundreds of millions of registered users.
 

✅ Responsibilities:

• Design and develop high-load backend microservices
• Maintain and improve the existing codebase while gradually migrating it to a new technology stack
• Optimize system performance and scalability
• Collaborate with the Ops team to resolve production issues

✅ They offer:

• Stock options
• Medical insurance (100% coverage for employees and 75% for family members)
• Lunch in the office
• Parking
• Multisport card

✅ Technology stack:
Java 17–21, Spring Boot, Kafka, Kubernetes, Aerospike, Redis, GCP

✅ Requirements:

• Strong experience with Java and Spring ecosystem
• Experience with microservices architecture
• Hands-on experience with message brokers
• Experience working with Cloud platforms

Project Description:

You will join a long-term, enterprise-scale project for a global client in the investment banking domain. The project focuses on building and evolving a set of mission-critical backend services that support complex business workflows, regulatory processes, and system integrations across the bank’s ecosystem.

The platform is based on a distributed microservices architecture, leveraging Spring Boot, event-driven communication, and BPM-driven process orchestration. The system operates in a cloud-enabled, containerized environment, with a strong emphasis on security, scalability, resiliency, and maintainability.

You will work closely with architects, QA engineers, DevOps, and business stakeholders in an agile setup, contributing not only code but also technical direction, best practices, and mentoring.

Responsibilities:

• Design, develop, and maintain enterprise-grade backend services using Java 11+ and Spring Boot
• Contribute to the design and evolution of distributed microservices architectures
• Implement and integrate REST and SOAP APIs and event-driven solutions using Kafka
• Develop and maintain business process workflows using a BPM engine (preferably Flowable)
• Ensure high standards of code quality by applying SOLID principles, Clean Code, and design patterns
• Write and maintain comprehensive unit and integration tests using JUnit, TestNG, Mockito, and WireMock
• Work with relational and document databases such as PostgreSQL, MongoDB, and Azure Cosmos DB
• Implement security and authentication mechanisms using OAuth2, JWT, and Spring Security
• Collaborate with DevOps teams on containerization and deployment using Docker and Kubernetes
• Participate actively in agile ceremonies (refinement, planning, reviews, retrospectives)
• Provide technical guidance, perform code reviews, and advocate for engineering best practices
• Collaborate closely with cross-functional teams, including QA, DevOps, and product owners

Mandatory Skills Description:

- Solid experience in JVM programming languages (ideally Java11+) and design patterns
- Frameworks: Spring Boot
- Proven track record of enterprise level application development for 7+ years
- Understanding of distributed microservices architectures and communication patterns
- Experience with relational and document databases (PostgresSQL, MongoDB, Azure Cosmos)
- Testing Frameworks (JUnit, TestNG, Mockito, WireMock)
- Messaging & Integration (Kafka, REST, SOAP)
- Security & Authentication (OAuth2, JWT, Spring Security)
- Containerization & Orchestration (Docker, Kubernetes)
- Advocating engineering best practices (SOLID, Clean Code)
- Experience with Agile mode of working
- Excellent communication and collaboration skills
- Familiarity with Cloud based technologies

Nice-to-Have Skills Description:

- experience in or willing to learn Java reactive programming/ Spring Webflux
- springboot Microservices
- experience with NoSQL databases (ideally MongoDB or CosmosDB)
- familiarity with BPMN (eg Flowable)

Languages:

English: B2 Upper Intermediate

MyWorkDrive empowers enterprises with secure remote file sharing, enabling access to on-premises and cloud storage file servers via mapped drives, web browsers, or mobile clients - without the need for a VPN.

Position Overview

We are expanding our Support and QA teams and seeking a seasoned, remote IT professional/Systems Administrator to serve as a Level 3 Senior Support Engineer for enterprise customers. In this role, you will handle the most complex escalations, support hybrid identity and storage deployments, and ensure seamless integration between on-premises Windows/AD environments and Microsoft cloud services. 

You will combine mastery of Windows identity and Microsoft cloud (Entra ID, Azure Files/Blob, SharePoint, Graph, Intune, SAML) with a strong customer-first mindset—treating every customer issue as our problem to solve.  

Schedule

• Full-time, Monday to Friday 9 AM - 6 PM Pacific time, with flexibility for occasional off-hours support for critical incidents or maintenance windows.

Key Responsibilities

Customer Support & Troubleshooting

• Act as the senior escalation point for complex issues related to Active Directory, Entra ID (Azure AD), ADFS, SMB, Kerberos, NTLM, and Windows identity. 
• Assist IT Administrator customers with installation, configuration, and advanced troubleshooting of MyWorkDrive products in diverse Windows Server, Active Directory, and Azure environments. 
• Diagnose and resolve authentication and authorization issues involving Azure Files, Azure Blob, SharePoint, Enterprise Apps, SAML SSO, and Graph API permissions.  
• Understand unique client use cases and challenges to design solutions that ensure compatibility, performance, and security across hybrid environments. 
• Maintain detailed documentation of customer environments, troubleshooting steps, and resolutions in helpdesk and knowledge base systems.

Quality Assurance & Testing

• Build and manage test environments using Hyper-V, Azure, and representative customer configurations, including complex AD and Entra ID topologies. 
• Reproduce and isolate defects, perform rigorous QA testing, and file clear bug reports for development, including identity, SSO, and file access scenarios. 
• Validate fixes and new features related to Windows authentication (Kerberos/Interactive Logon), SAML, and Microsoft 365 integrations before general release.

Cross-Functional Collaboration

• Engage with a global customer base via email, helpdesk, and web meetings (Teams, Zoom) to resolve escalated issues and guide best practices. 
• Collaborate closely with engineering, product, and sales teams to manage critical support cases, drive continuous product improvements, and assist with pre-sales technical consultations as needed.

Customer Service Mindset

• Model a customer-first culture: your problem is our problem—no disdain, blame, or defensiveness toward customers.  
• Stay calm, empathetic, and solutions-focused in high-pressure situations, including outages and executive-level escalations. 
• Proactively set expectations, communicate clearly, and follow through on all commitments until resolution is fully confirmed by the customer.
• Consistently meets and strives to exceed defined SLAs for response and resolution times, ensuring customers feel prioritized and informed throughout the lifecycle of their requests.

Required Skills and Experience

Support and Communication

• Exceptional customer service skills, with a calm, empathetic, and solution-focused approach to every interaction. 
• Comfortable working with both highly technical administrators and non-native English speakers, adapting communication style accordingly (English proficiency: Upper-Intermediate or higher)
• Highly responsive, able to triage and prioritize critical issues such as service outages or security-impacting incidents. 
• Excellent written and verbal communication skills, including clear incident summaries, root cause explanations, and step-by-step remediation guidance.

Mindset

• Demonstrated ability to quickly learn and apply complex technical and theoretical information across identity, networking, and storage. 
• Strong sense of ownership: you drive issues to closure, collaborate proactively, and do not “throw problems over the wall.” 
• Entrepreneurial, self-directed, and comfortable working in a fast-moving, distributed team environment.

Extensive IT Background

• 10+ years of experience deploying and managing software in Windows Server/Active Directory and Azure environments. 
• 10+ years of hands-on experience in computer networking (TCP/IP, DNS, routing, firewalls, VPNs, load balancers, proxies).

Technical Mastery – Identity & Cloud

• Deep knowledge of Windows client and server OS, Active Directory, Group Policy, ADFS, and Windows authentication Kerberos, Delegation, Interactive Logo. 
• Mastery of Microsoft Entra ID (Azure AD) including Conditional Access, Enterprise App integrations, SAML/OIDC SSO, and application proxy scenarios.  
• Strong experience with Azure Files, Azure Blob Storage, SharePoint Online, and NTFS/SMB permissions in hybrid file-access architectures. 
• Hands-on experience configuring and troubleshooting SAML/SSO, including certificate management, claims rules, and federation with third-party IdPs. 
• Practical experience with Microsoft Graph API permissions, app registrations, and consent (delegated and application permissions) for enterprise apps. 
• Familiarity with Intune device management, compliance policies, and their interaction with Entra ID and Conditional Access.

Broader Technical Proficiency

• Experience with firewalls, security, switching, proxy/load balancing, Microsoft SQL, IIS, Office 365, and related enterprise tooling. 
• Familiarity with Android/iOS mobile devices, Azure File Storage, Active Directory Trusts, NTFS file sharing, Hyper-V, and SAML/SSO.

Education & Certification

• Bachelor’s degree in Computer Science, Information Systems, or related field (preferred).
• CompTIA, MCSE or related Microsoft certification (e.g., modern Microsoft 365/Azure certifications) preferred.

What We Offer

• Long-term collaboration with a globally trusted enterprise software company.
• Competitive compensation through a contractual cooperation model.
• Fully remote work arrangements.
• Opportunity to work with an experienced, international development team on a mature, enterprise-scale product.

Come Back Agency supports US software and technology companies by running their hiring process. We work with delivery and leadership teams to define roles, screen candidates, and manage interviews. Successful candidates are hired directly by the company and become part of its team.

This position is with a US-based software company providing custom development and AI implementation for North American clients. The team builds and maintains production software, including AI-enabled systems, and works in long-term client engagements.

Team members operate as part of an internal, distributed team and collaborate directly with client stakeholders.

Responsibilities

• Secure new business and grow revenue. This role is not account management and not day-to-day; client communication. Our US team handles calls and ongoing communication;
• Proactively source outbound opportunities (partnerships, referrals, warm outreach);
• Qualify opportunities and drive them to signed agreements;
• Coordinate internally with the US team during deal handoff;
• Contribute directly to revenue growth;

Requirements

• Proven experience in business development/lead generation for IT services / software development companies /SaaS;
• Clear track record of originating or closing deals with budgets $20,000+;
• Understanding of how custom software projects are priced and sold;
• Strong written English (spoken English is a plus, but not critical);
• Ability to work independently and focus on results;

This role does not involve

• Daily client communication;
• Account management;
• Project management;
• Delivery or technical execution;

KPIs

• New qualified opportunities created;
• Pipeline value generated;
• Deals secured / revenue influenced;

What We Offer

• Working hours aligned with US time zones, typically 16:00—00:00 Kyiv time;
• 1:1 English lessons to support clear and confident communication;
• Paid vacation and sick days;
• Fully remote work;
• Opportunities for professional growth within the team;
• Structured, personalized onboarding to help you ramp up effectively.
   

Apply with your resume and a short note outlining your relevant experience. You can also submit it through our website at comeback.ua. Selected candidates will be contacted by Come Back Agency

Job Description

• Skills of C# .NET development, WPF, WCF, Git, GitLab, PowerShell
• Design Patterns
• SOLID Design Principles
• Experience with gRPC is a plus
• Unit and Integration Testing
• Good debugging, coding, and design skills
• Intermediate+ English
• Initiative and motivated
• Good team player

Job Responsibilities

• Implement new features, unit tests, and automated integration tests for the complex healthcare system
• Participate in estimation and planning sessions
• Investigate different complexity issues and debug code
• Integration activities with various medical devices

Department/Project Description

Our client is a big medical equipment manufacturer located in the United States. We have completed a lot of projects for them during the last 20 years and continue our strong relationship. We are creating a desktop application that allows to connect to customer equipment in the field via USB or Bluetooth and allows customers to perform common device maintenance tasks.

The PSP Operations Partner is responsible for analyzing and overseeing the efficiency of the payment infrastructure across projects and GEOs. The role focuses on ensuring transparency in payment processes, minimizing financial losses, and maintaining the reliability and performance of the payment ecosystem. The position provides analytical insights and recommendations to payment teams, monitors their implementation, and reports directly to leadership.

Requirements

• Proven experience working with international Tier 1 payment markets.
• Strong understanding of payment routing and cascading mechanisms.
• Experience with payment provider integrations (direct integrations and aggregator-based integrations).
• Practical experience working with PSP ecosystems including acquiring, APMs, crypto, or P2P solutions.
• Experience analyzing payment performance metrics and payment funnels.
• Understanding of payment infrastructure setup and operational processes across multiple GEOs.
• Ability to conduct market analysis for payment solutions prior to GEO launches.
• Strong analytical mindset and ability to work independently.
• Experience interacting with product teams and integration teams around payment improvements.
• Familiarity with BI tools and monitoring dashboards (e.g., BI platforms, Grafana) is a plus.
• Knowledge of Payment Hub systems is not required but experience with provider integrations is important.
• Knowledge of Ukrainian or Russian is a must.

Responsibilities

1. Pre-launch payment infrastructure analysis

• Analyze payment infrastructure in a GEO before launch.
• Assess whether stable payment processing is possible in the GEO.
• Recommend appropriate PSPs and payment methods.
• Identify potential risks related to blocking, compliance, and regulatory restrictions.
• Estimate expected payment conversion levels.

2. Audit of payment department structure

• Analyze the organizational structure of payment teams across projects and GEOs.
• Evaluate whether the structure aligns with business needs.
• Monitor payment teams’ execution of tasks, research activities, and integration roadmaps.
• Assess overall payment team efficiency.

3. Audit of payment infrastructure

• Conduct a full audit of payment ecosystems across projects and GEOs (PSP, acquiring, APMs, crypto, P2P).
• Verify the correctness of payment provider integrations and processing setup.
• Analyze transaction routing efficiency.
• Evaluate reliability and stability of connected payment providers.

4. Payment metrics analysis

• Monitor key metrics including:
• Acceptance Rate
• Conversion Rate
• IN/OUT ratio
• Decline Rate
• Chargeback Rate
• Payment success rate
• Monitor payout timelines and accuracy.
• Identify bottlenecks in the payment funnel and sources of transaction losses.

5. Reporting

• Prepare analytical reports on payment performance, infrastructure status, and recommendations for leadership.

6. Payment Hub plan monitoring

• Audit and monitor execution of the Payment Hub development and integration plan.

7. Cross-team coordination

• Work with GEO teams and PSP teams to analyze performance and provide recommendations.
• Participate in regular meetings regarding conversion performance, integration status, and payment improvements.

We’re looking for a Part-Time Farmer FB accounts (Dating Vertical)
 

We’re seeking a specialist to build and maintain a stable, secure, and scalable Facebook account infrastructure for advertising in a fast-growing dating project - on a project-based / part-time basis.

If you understand Meta from the inside, enjoy the farming process, and know how to avoid bans while scaling safely, we’d be happy to meet you 😎
 

Why you’ll like working with us

• Fully remote - work from anywhere.
• Flexible schedule - focus on results, not hours.
• Minimal bureaucracy - full ownership of your tasks.
• A live, fast-scaling product in the dating niche.

• Competitive compensation + project-based bonuses for stability and successful scaling.

   

What you’ll do (project-based / part-time)

• Farm and warm up FB accounts, Business Managers, and Ads Accounts.
• Build and maintain stable infrastructure: BMs, roles, payment methods, limits, fan pages, pixels.
• Launch safe warm-up campaigns and gradually increase spend and load.
• Handle moderation, verifications, and appeals.
• Build decentralized setups: backup accounts, backup BMs, and fallback schemes.
• Buy, rent, recover, and manage accounts from various sources.
• Work with pixels and conversions: creation, setup, audience transfer, backups.
• React quickly to bans and switch to backup infrastructure.

• Adapt processes to Meta policy updates and platform changes.

   

Requirements

• Experience in dating vertical is mandatory.
• 1–2+ years of experience in account farming / warming.
• Deep understanding of warm-up mechanics and real-user behavioral patterns.
• Ability to build proper account and BM “legends” and clean structures.
• Hands-on experience with moderation, appeals, whitelists / allow-lists.
• Skills in safe scaling and minimizing chain bans.
• Experience with pixels, conversions, and audiences.
• High level of autonomy and fast reaction to account blocks.

• Solid understanding of Meta policies and ability to adapt quickly.

   

Nice to have

• Proactive mindset spotting risks before they become problems.
• Genuine interest in farming and maintaining “live” accounts.

• Strong system thinking and focus on scalability.

   

⚡ Part-time / project-based format only: high autonomy and fast response to account issues are essential.

If you’re looking for new challenges, enjoy complex infrastructure tasks, and want to grow together with a fast-scaling dating product, we’d love to hear from you 🙂

OmiSoft is seeking a motivated Junior UI/UX Designer with a genuine passion for design, structured thinking, and a desire to grow within our team!

Requirements:
— 0,5-1+ year of commercial experience in UI/UX Design
— Experience designing websites and landing pages; experience with mobile applications will be a plus
— Solid understanding of user-centered design principles and methodologies
— A current portfolio showcasing strong visual design skills
— Upper-Intermediate level of English (written and spoken)
— Strong communication, collaboration, and problem-solving skills

Nice to have:
— Completed courses in graphic, visual, or UI/UX design
— Experience with AI-driven UX research tools and methodologies
— Experience designing marketing materials and presentations

Responsibilities:
— UI/UX development for web (preferably) and mobile products
— Creating visual materials and design assets to support the sales team (presentations, landing pages, marketing materials)
— Analyzing usability and proposing creative solutions to improve UX
— Present and explain to clients design decisions in English
— Actively participate in multiple projects across the company and voice your ideas on design improvements

Why Join Us:
— Flexible Work Environment: Benefit from remote work options and a work-life balance that suits your lifestyle
— Collaborative Culture: Join a team that values open communication, teamwork, and continuous learning
— Professional Growth: Support your growth with covered professional courses, ongoing learning opportunities, and clear paths for career development
— Technological Expertise: Our technical team is always keeping up with new technologies, so we are open to experiments and new approaches
— Generous Benefits: Take advantage of paid vacation, sick leaves, and holidays to recharge and maintain your well-being
— Global Exposure: Work on exciting projects with an international focus, primarily serving the Western European and USA markets

Recruitment stages: Intro call with Recruiter — Test Task — Technical interview — Job offer

If you are motivated by design, challenges, and real impact on projects, we would be happy to meet you and tell you more about the team!

Project Description:

We are looking for a Senior Java Developer to help design and build a cutting-edge application for investors to create, manage, and share client portfolios, along with executing trades. This role involves working on high-performance, scalable systems that support real-time investment decision-making. You will be responsible for architecting, developing, and optimizing core backend functionalities while collaborating with global teams to deliver a seamless investor experience.

Responsibilities:

- Design, develop, and enhance Java applications for portfolio creation, trade execution, and sharing functionalities.
- Optimize system performance to ensure real-time data processing and seamless user interactions.
- Develop and integrate APIs to connect with market data providers and trading platforms.
- Ensure data consistency and security in multi-threaded environments.
- Translate business requirements into scalable technical solutions.
- Collaborate with global teams to align development with business objectives.
- Support production rollouts and provide ongoing system maintenance.

Mandatory Skills Description:

- 5+ years of Java development experience, with expertise in designing scalable applications.
- At least 3 years expertise in React
- Azure Cloud Services
- Working knowledge of Spring Framework, RESTful APIs, and microservices architecture
- Strong knowledge of multi-threading, concurrency, and high-performance computing.
- Proficiency in object-oriented design, SOLID principles, and functional programming.
- Experience with messaging systems (e.g., Kafka) and data serialization (e.g., AVRO).
- Familiarity with Agile methodologies and CI/CD pipelines.
- Strong analytical skills and the ability to work in a fast-paced financial environment.
- Excellent communication skills, with the ability to explain technical concepts to business stakeholders.

Nice-to-Have Skills Description:

- Experience with low-latency systems and real-time market data processing.
- Knowledge of financial markets and investment products.
- Experience with trading platforms (e.g., Bloomberg, Tradeweb).
- Proficiency in automated testing and CI/CD best practices.
- Exposure to Python or other scripting languages.

We’re on the hunt for a talented and imaginative Senior Copywriter who knows how to turn ideas into compelling words. If you love crafting stories, creating engaging content, and bringing brands to life through language, we’d love to hear from you.

What you’ll do

• Create content for social media (LinkedIn, Instagram, Facebook, Twitter/X, YouTube) with a strong sense of tone and storytelling, and contribute visual ideas for designers
• Craft stories for the Evoplay Media insights section and develop new content formats
• Write website copy for various projects
• Support marketing and product teams with ad-hoc writing tasks
• Participate in creative ideation sessions for campaigns, product launches, and industry events
• Bring new ideas, formats, inspirations, and creative references

Types of content you’ll create

• Social media storytelling
• Product launch narratives
• Industry insight articles
• Campaign copy
• Website storytelling
• Scripts for videos and media content

• Event storytelling and partner communication

   

What we’re looking for

• Excellent written English — fluent, expressive, a feel for how things should sound
• A varied portfolio — multiple tones and formats that show an impressive range
• Love for exploration — you enjoy searching for a perfect form to express your thoughts and vision
• Talent to approach B2B content, making copy sound more human and relatable
• Deep understanding of storytelling
• Think in concepts, not just sentences
• Notice the difference between good writing and memorable writing
• Niche taste for word choices and aesthetics

• Experience in B2B Marketing

   

Would be a plus

• Experience in iGaming
• AI visuals generation skills
• Experience with targeted ads

We are looking for a CRM & Retention Manager to join an iGaming product team.

In this role you will be responsible for building retention strategy, managing player segmentation and launching CRM campaigns to increase LTV and reduce churn.

Responsibilities:
• Own segmentation strategy and the full retention lifecycle
• Build onboarding, upsell, reactivation and churn-prevention journeys
• Design and manage bonus mechanics (reloads, cashback, freespins, missions)
• Execute multi-channel communication: Email, SMS, Push, WhatsApp, onsite pop-ups
• Run A/B tests for content, cadence and bonus strategies
• Analyze retention metrics (LTV, churn, cohort analysis)
• Work closely with Casino Manager, VIP and Marketing teams

Requirements:
• 2+ years of experience in CRM / Retention
• Experience in iGaming or high-risk e-commerce will be a strong advantage
• English level B1+
• Experience with CRM platforms (FastTrack, Optimove, Smartico, Exponea or similar)
• Strong analytical mindset
• Experience working with retention metrics and A/B testing
• Experience running multi-channel CRM campaigns

Nice to have:
• Spanish language
• Previous experience in gambling / iGaming projects

What we offer:
• Remote work format
• Product environment in the iGaming industry
• Experienced international team

We are seeking a Data Scientist with a strong foundation in physics, control theory, and mathematical modeling to join our team working on cutting-edge autonomous systems. The ideal candidate combines analytical rigor with practical experience in modeling, simulation, and algorithm development for autonomous platforms.

Levels: Middle and Senior (responsibilities and scope will be adjusted accordingly).

Key Responsibilities

• Develop and validate mathematical models for autonomous systems and dynamic environments.
• Apply data-driven approaches for system identification, optimization, and predictive control.
• Analyze large datasets from sensors and simulations to extract insights and improve system performance.
• Design and implement algorithms for control, navigation, and decision-making.
• Collaborate with cross-functional teams to integrate models into real-world autonomous platforms.

Required Qualifications

• 3+ years in R&D or applied data science/software development.
• Strong background in mathematical modeling, system identification, and control theory.
• Proficiency in Matlab/Simulink for modeling and simulation.
• Experience in signal processing and data analysis.
• Programming skills in Python and C++.
• Ability to quickly research and apply recent trends in control theory, autonomous systems, and data-driven modeling.
• Relevant work experience or education in STEM field

Nice to Have

• Knowledge of aerodynamics fundamentals.
• Experience with Machine Learning (e.g., reinforcement learning, predictive modeling).
• Familiarity with simulation tools such as Gazebo, AirSim.
• Hands-on experience with SITL/HITL testing.
• Exposure to flight control stacks like PX4, Betaflight, ArduPilot.

Our Customer:

A global technology company developing real-time video augmentation and rendering infrastructure for broadcast and streaming environments.
 

Responsibilities:

• Design and implement a native video playback extension that augments HLS streams at runtime across platforms such as Android (ExoPlayer), webOS, Roku, and others;
• Build and maintain a cross-platform rendering layer using OpenGL for real-time video frame processing and compositing;
• Integrate GPU-based overlays and visual transformations directly into the playback pipeline with strict frame-accurate synchronization;
• Develop device-aware architecture to handle platform-specific decoding, rendering surfaces, hardware acceleration constraints, and performance tuning;
• Integrate external SDKs and APIs alongside an internal AR/graphics processing pipeline;
• Optimize rendering performance, memory usage, and latency under real-time streaming constraints;
• Collaborate with QA and Product teams to validate rendering accuracy, synchronization precision, and cross-device stability.
   

Required experience and skills:

• Strong experience with Kotlin;
• Strong hands-on experience with OpenGL (mandatory, core skill), including shader programming and GPU pipeline understanding;
• Solid knowledge of real-time rendering concepts (frame buffers, textures, shaders, synchronization, GPU/CPU interaction);
• Experience integrating OpenGL with native video playback surfaces;
• Practical experience with HLS streaming internals and playback customization;
• Strong understanding of video decoding/rendering pipelines and frame timing control;
• Experience with native video players on at least one of the following platforms: Android (ExoPlayer), webOS, RokuTV;
• Experience implementing low-latency video overlays and graphical composition;
• Understanding of hardware acceleration and performance optimization on embedded/TV devices;
• Proven background in full-cycle software engineering (integration, profiling, debugging, optimization);
• English — Upper-Intermediate+.
   

Working conditions

5-day working week, 8-hour working day;

All UA public holidays are days off;

Vacation and sick leave are covered by the company;

Remote work.

Our Customer:

Our client is a fast-growing cybersecurity technology company developing a large-scale platform for simulating cyberattacks and assessing security posture. The product includes complex web interfaces, high-load backend services, and cloud-native components.
 

Your Tasks:

• Design, develop, and maintain advanced frontend features using React and modern JavaScript (ES6+).
• Build complex UI components, interactive dashboards, and scalable, reusable component libraries (including Storybook).
• Own and evolve the frontend architecture, ensuring high performance, maintainability, and a consistent user experience across the platform.
• Optimize rendering behavior and application performance, minimizing unnecessary re-renders and improving perceived UI responsiveness.
• Collaborate closely with product managers, designers, and backend engineers to deliver high-quality features end to end.
• Participate in technical discussions, frontend architecture decisions, and code reviews.
• Integrate frontend applications with backend APIs (Node.js-based services).
• Work with Git-based workflows and CI/CD pipelines to ensure smooth delivery and deployment.
• Ensure clean, testable, and well-documented code following frontend best practices.
   

Required Experience & Skills:

• 5+ years of professional experience in frontend or web development.
• Senior-level expertise in React and the modern frontend ecosystem.
• Excellent command of JavaScript, with a deep understanding of how the language works (execution context, async behavior, data handling).
• Strong experience designing and maintaining reusable UI components and design systems (Storybook or similar).
• Solid understanding of frontend application architecture, state management strategies, and data flow patterns.
• Experience optimizing React applications for performance and scalability.
• Working knowledge of backend integration (REST APIs, Node.js services).
• Experience working with relational and/or NoSQL databases (e.g., PostgreSQL, MongoDB) at an integration level.
• Familiarity with CI/CD pipelines and modern development workflows.
• Strong focus on code quality, testing, and maintainability.
• English — Upper-Intermediate+ (written and spoken).
   

Working conditions

5-day working week, 8-hour working day;

All UA public holidays are days off;

Vacation and sick leave are covered by the company;

Remote work.

We are looking for a motivated Sales Development Representative to join a B2B sales team working with international markets. This is a junior-to-mid level role that offers hands-on experience in global B2B sales, real responsibility, and clear impact on business growth. The position is well suited for early-career professionals with a strong interest in sales, startups, and business development.

Who This Role Is For

• 2+ years of experience as an SDR in a B2B sales environment
• Strong interest in sales, business, and startup ecosystems
• Native or near-native English proficiency (written and spoken)
• Ability to create clear, persuasive outbound messages
• Highly organized, self-motivated, and comfortable working with KPIs
• Strong communication and stakeholder management skills

Role Details

• Full-time position
• Fast-paced startup-style environment with ownership and accountability
• Direct exposure to international customers and global markets

Nice to Have

• Experience selling B2B SaaS or technology products
• Familiarity with CRM systems and outbound sales tools
• Educational background in Business, Economics, or a related field