Jobs

Company overview

CapsLock specializes in providing digital marketing services to businesses facing sales growth challenges. Our services include sales consulting, data analytics, and recruitment support, ensuring efficient and accelerated growth. Founded by industry professionals in IT, design, and data analytics, we address the market need for exclusive, scalable customer acquisition solutions.

At CapsLock, we value people, client orientation, quality, continuous improvement, integrity, and strong relationships. Our diverse, global team speaks over 10 languages whose ideas inspire the innovation that runs through everything we do, from unique technology to industry-leading services and customer experiences.

Role overview

We’re looking for a creative and result-oriented Talent Acquisition Specialist to increase our HR Team.

As a Talent Acquisition Specialist at CapsLock, you will play a crucial role in identifying, attracting, and hiring top talents to our company. Also, you will be responsible for managing the entire recruitment process: from a partnership with hiring managers and understanding their needs to developing a recruitment strategy and its implementation. 

We are expecting many challenging tasks and having a lot of fun working together!

Responsibilities

• Develop and implement strategies for searching and hiring qualified candidates.
• Collaborate with the Sourcing team in spreading sourcing channels’ options.
• Conducting interviews with qualitative assessment of skills.
• Cooperate with hiring managers on interviewing the best fit for each role.
• Prepare reports on recruitment activities.
• Interplay with other team members and departments on new ideas and process improvements.

Requirements

Experience:

• At least 3 years of recruitment experience, including working on IT and marketing/sales openings.
• Global recruitment experience, with a focus on Europe; experience with the US market is a big plus.
• Proven experience in closing C-level roles for the company.
• In-depth knowledge of recruitment and sourcing, including various techniques, tools, and channels.
• Data-driven approach, with experience using recruitment ATS systems, task-tracking systems, and reporting tools.
• Fluency in English, both spoken and written.

Skills:

• Enjoys challenges and isn't afraid to dive into the details of each role, including expectations, opportunities, and best practices.
• Skilled at identifying cultural markers in candidates and matching them with suitable roles.
• Possesses strong time management and organizational skills.
• Flexible and able to work effectively in a geographically distributed team.
• Result-oriented, with an understanding that recruitment is not just about communicating with people.

We are looking for a hybrid Product Manager / Data Analyst to own the roadmap, dig into the data, and manage delivery for Smartist. You will sit at the intersection of art and technology, driving growth for the leading art marketing app in the creator economy.

 

What You’ll Do 🛠️

• Strategy: Define product direction using data, research, and market insights.
• Analytics: Track and optimize core KPIs (LTV, CAC, Retention) and funnels.
• Execution: Manage the roadmap and lead engineering/design to delivery.
• Growth: Run A/B tests and experiments to improve conversion and monetization.
• Data Integrity: Maintain accurate event tracking (Amplitude, Adapty, etc.).
  
   

What You’ll Need 🧠

• 4+ years in Mobile Product Management.
• Strong proficiency in data analytics and A/B testing.
• Hands-on experience with tools like Amplitude, Adapty, and OneSignal.
• Ability to manage project timelines and cross-functional teams.
• Excellent communication skills (technical and business).
  
   

What You’ll Get 🎁

• Work from Anywhere: A fully remote, flexible work setup.
• Real Impact: The chance to shape product strategy and drive visible growth.
• Culture: A dynamic, innovative team at the intersection of art and technology.
• Ownership: Room to experiment, test bold ideas, and lead the product vision.
• Compensation: Competitive salary based on experience.

We are looking for a strategic and creative Marketing Manager to drive growth through multiple channels. You will lead social, paid, and partnership strategies for Smartist, the #1 art visualization app on the market.

What You’ll Do 🛠️

• Influencer Marketing: Identify, recruit, and manage relationships with art and design influencers to drive authentic brand advocacy.
• Affiliate Program: Build and scale our affiliate network, negotiating commissions and tracking performance to maximize revenue.
• Social Strategy: Manage social media channels and content to drive organic engagement.
• Paid Ads: Lead paid advertising efforts (Meta) to maximize ROI.
• Retention: Execute push and email campaigns to nurture and retain users.
• Analytics: Track campaign performance (ROAS, CPA) and optimize based on data.

What You’ll Need 🧠

• Experience: Proven track record in social media, influencer management, and affiliate marketing.
• Partnerships: Strong negotiation skills and experience managing creator relationships.
• Paid & CRM: Background in Paid Advertising (Meta) and retention tools (Push/Email).
• Communication: Fluent English with the ability to build strong relationships with partners.
• Mindset: A mix of creative flair for content and analytical thinking for performance.

What You’ll Get 🎁

• Work from Anywhere: A fully remote, flexible work setup.
• Ownership: Opportunity to shape the entire marketing function, including high-impact partnerships.
• Impact: Direct influence on user acquisition, brand identity, and revenue.
• Culture: A dynamic, innovative team at the intersection of art and technology.
• Compensation: Competitive salary based on experience.

Lime Vizio
Product: High-volume e-commerce (US / Canada)
Format: Remote, full-time
Timezone: Los Angeles time (PST / PT)

About the role

We are looking for a COO who owns operations and profit, not just processes.

This role is about turning a complex, high-volume eCommerce business into a predictable, scalable, and margin-driven system.

You will be responsible for fixing operational inefficiencies, structuring execution, improving unit economics, and building systems that scale without chaos.

Responsibilities

• Own end-to-end operations across the business
• Drive EBITDA growth and improve unit economics
• Reduce cost per order, refunds, cancellations, and inefficiencies
• Redesign core operational flows (order → routing → fulfillment → resolution)
• Build structured systems, ownership, KPIs, and SLAs
• Replace manual work with automation and AI-driven workflows
• Improve execution stability and fulfillment predictability
• Scale operations 2×+ without proportional cost increase
• Work directly with CEO on priorities, trade-offs, and execution

Requirements

• Strong eCommerce experience is mandatory (high-volume operations)
• 8+ years in COO / operations / systems / strategy roles
• Proven experience scaling operations 2×+
• Strong understanding of unit economics and profitability drivers
• Experience building and optimizing systems (not just managing teams)
• Hands-on experience with automation and AI tools
• Experience with remote/distributed teams
• Ownership mindset and strong decision-making ability

Not a fit if

• you’ve never worked with high-volume eCommerce
• you can’t explain unit economics clearly
• you manage processes but don’t fix systems
• you avoid ownership or decision-making
• you rely on manual work instead of building systems

Nice to have

• Marketplace / aggregator model experience
• Experience managing peak seasons (Valentine’s Day, etc.)
• BI / dashboards / financial modeling
• Experience scaling vendor networks

What we offer

• Remote, long-term cooperation
• Direct impact on revenue and profitability
• Full ownership of operations
• Fast decision-making, low bureaucracy
• Opportunity to rebuild and scale systems

Required skills

• Operations Management — 5+ years
• eCommerce — 3+ years
• Unit Economics — 3+ years
• Process Optimization — 5+ years
• Automation / AI — 2+ years

Language

• English — B2+ (Upper-Intermediate or higher)

About Lime Vizio

Lime Vizio is a product-driven e-commerce company operating in the floral and gifting industry across the United States and Canada.

We build and manage high-volume platforms that connect customers with local florists and delivery partners. Our focus is on conversion, operational efficiency, and reliable execution — especially during time-sensitive moments like Valentine’s Day and Mother’s Day.

We operate as a remote-first team with strong ownership, data-driven decisions, and clear accountability.

Our client is looking for an experienced JavaScript developer with a strong understanding of React.

Role Overview: 
We are looking for an experienced JavaScript developer with a deep understanding of React. The main responsibilities will include the development of user interface components, refactoring and optimisation of existing code, and participation in mobile application development. Companies' projects are stable and long-term, with an active backlog of new front-office features.

Key Responsibilities:

• Performing a technical assessment of business requirements to ensure the possibility of their implementation within a reasonable time;
• Fixing bugs in existing projects;
• Refactoring and optimising existing code;
• Optimising components for maximum performance across browsers;
• Creating new and modifying existing websites;
• Be proactive in communication with team members.
   

Required Skills & Experience:

• 5+ years of experience as a Front-End Engineer;
• Solid background in coding pure JavaScript;
• Strong proficiency in React 18+, including hooks, context, and modern patterns;
• Expert-level TypeScript experience with advanced types and strict configurations;
• Strong knowledge of state management tools (Redux, MobX, Zustand, etc.);
• Proven experience in building SPAs, PWAs, and working with RESTful and GraphQL APIs;
• Familiarity with front-end build tools (Webpack, Vite, Rollup) and CI/CD pipelines;
• Solid understanding of browser rendering behaviour and performance optimisation;
• Experience with automated testing frameworks (Jest, Cypress, etc.);
• At least 1-2 years of professional experience with React Native;
• Hands-on experience developing a React Native SDK for cross-platform projects;
• Level of English language – Upper-Intermediate or higher.
   

Will be a plus:

• Experience with micro frontends, monorepos, or component libraries (Storybook, Bit);
• Knowledge of design systems (Material UI, Tailwind, or similar);
• Exposure to WebAssembly, WebSockets, or real-time applications;
• Experience integrating third-party tools and libraries (e.g. Trustly, Whizdom);
• Ability to understand business requirements and translate them into technical requirements.
   

The company guarantees you the following benefits:

• Global Collaboration: Join an international team where everyone treats each other with respect and moves towards the same goal;
• Autonomy and Responsibility: Enjoy the freedom and responsibility to make decisions without the need for constant supervision.
• Competitive Compensation: Receive competitive salaries reflective of your expertise and knowledge as our partner seeks top performers.
• Remote Work Opportunities: Embrace the flexibility of fully remote work, with the option to visit company offices that align with your current location.
• Flexible Work Schedule: Focus on performance, not hours, with a flexible work schedule that promotes a results-oriented approach;
• Unlimited Paid Time Off: Prioritise work-life balance with unlimited paid vacation and sick leave days to prevent burnout;
• Career Development: Access continuous learning and career development opportunities to enhance your professional growth;
• Corporate Culture: Experience a vibrant corporate atmosphere with exciting parties and team-building events throughout the year;
• Referral Bonuses: Refer talented friends and receive a bonus after they successfully complete their probation period;
• Medical Insurance Support: Choose the right private medical insurance and receive compensation (full or partial) based on the cost;
• Flexible Benefits: Customise your compensation by selecting activities or expenses you'd like the company to cover, such as a gym subscription, language courses, Netflix subscription, spa days, and more;
• Education Foundation: Participate in a biannual raffle for a chance to learn something new unrelated to your job as part of your commitment to ongoing education.
   

Interview process:

1. HR Interview with the Recruiter;
2. A 1-hour Tech Interview;
3. A 1.5-hour Final interview with the team.
    

If you find this opportunity right for you, don't hesitate to apply or get in touch with us if you have any questions!

We are looking for a Middle Manual QA to join our team on a full-time basis.

Our platform helps influencers monetize their content through subscriptions, messaging, and digital interactions. As we continue to grow, we are focused on maintaining high product quality and delivering a seamless user experience.

You will play a key role in ensuring product stability, catching issues early, and supporting the development team with structured and reliable testing processes.

Responsibilities

• Perform manual testing of new features and bug fixes (based on tickets/user stories)
• Create and maintain test documentation (test cases, checklists, test plans)
• Ensure proper test coverage across features
• Conduct regression testing before releases
• Perform smoke testing after deployments
• Execute end-to-end (E2E) testing of core user flows
• Work with API testing (e.g., Postman or similar tools)
• Identify, document, and track bugs with clear reproduction steps
• Collaborate closely with developers, product managers, and designers
• Participate in release validation and staging verification
• Suggest improvements to QA processes and product quality

Requirements

• 4+ years of experience in manual QA testing
• Strong understanding of software testing principles and methodologies
• Experience with:
  • Test case creation & test documentation
  • Bug tracking tools (e.g., Jira, Linear, etc.)
  • API testing (Postman, Swagger, etc.)
• Solid understanding of:
  • Client-server architecture
  • HTTP/REST APIs
  • Web and mobile application testing
• Experience with:
  • Regression & smoke testing
  • Cross-browser and cross-device testing
• Ability to analyze requirements and identify edge cases
• Strong attention to detail and structured thinking
• Good communication skills and ability to work in a team

Nice to Have

• Basic knowledge of automation testing (we support and encourage this)
• Understanding of SQL for basic data validation
• Experience with performance or load testing
• Familiarity with CI/CD pipelines
• Experience testing subscription-based products

Role Overview
 

We are seeking a Game Designer responsible for gameplay design, user experience, and visual quality of playable ads.
 

In this position, you will design gameplay systems, prepare structured Game Definitions, and ensure that playable ads provide engaging and intuitive user experiences.
 

You will collaborate closely with developers, QA, and other cross-functional teams to make sure designs align with client objectives, technical limitations, and quality expectations.
 

Key Responsibilities
 

Gameplay, UX & Creative Direction
 

• Take ownership of gameplay design, UX, and overall creative vision of playable ads, ensuring clarity and engagement within format constraints.
   
• Define core gameplay mechanics, interaction loops, and UX principles while maintaining consistency across projects.
   
• ​Ensure the intended player experience is preserved throughout development.
   

Game Definitions & Validation
 

• Convert client briefs and campaign needs into clear, structured, and implementation-ready Game Definitions.
   
• Establish gameplay direction, interaction flows, and the core experience based on requirements.
   
• Maintain accuracy in documentation to reduce unnecessary revisions.
   

Design During Production
 

• Ensure final implementations reflect the intended gameplay, UX, and artistic vision.
   
• Review playable builds and provide feedback to maintain alignment with design goals.
   
• Support development teams with clarifications and adjust documentation when technical constraints arise.
   

Cross-Team Collaboration & Impact
 

• Guide production teams to ensure proper implementation and consistent design quality.
   
• Help teams understand the reasoning behind design decisions to minimize recurring issues.
   
• Support work with complex or design-sensitive projects when needed.
   
• Develop and document workflows that improve processes and ensure proper use of AI tools within design standards.
   

Requirements

• Solid experience as a Game Designer in mobile games or playable ads.
   
• Proven track record in designing playable ads or user acquisition gameplay experiences.
   
• Strong understanding of gameplay systems, UX, and engagement mechanics.
   
• Experience creating structured design documentation (Game Definitions / GDD).
   
• Experience collaborating with cross-functional teams (development, QA, production).
   
• Strong communication skills and ability to guide teams on design direction.
   
• Fluent English (both written and spoken).
   

Benefits

• Define quality standards for AI-driven creative workflows in a fast-growing industry.
   
• Join a global team where innovation meets artistry.
   
• Grow toward creative direction and leadership roles in visual production.

About Us
Scrambly is one of the fastest-growing adtech startups in the world, featured in the AppsFlyer Performance Index and Singular ROI Index in just 3.5 years.

We’re growing 250%+ YoY across revenue, team, product, and technology - fully bootstrapped and profitable.

We’re building the future of app discovery: a reward-powered alternative to the App Store and Google Play. Our loyalty-driven ecosystem connects millions of users with the world’s top apps and delivers unmatched, ROI-focused growth for mobile advertisers.

Our mission is to build a true alternative to traditional app stores - fueled by rewards and data - and create a new, performance-first growth engine for mobile app advertisers.

About the Role
We are looking for a skilled React Native Engineer to help build and scale Scrambly's mobile app for iOS and Android. In this role, you will own the end-to-end implementation of key features for a high-traffic platform serving millions of users globally. You will be responsible for translating product requirements into robust software, ensuring that our mobile experience remains user-centric and competitive.

Your primary focus will be on writing performant TypeScript code within a modern React Native stack. You will play a crucial role in maintaining app stability, keeping the application fast, reliable, and easy to maintain. This position offers a strategic opportunity to impact business metrics directly by reducing technical debt and optimizing application performance.

Success in this role requires active cross-functional collaboration. You will work directly with Backend, QA, and Product teams to clarify requirements, solve complex engineering challenges, and deliver a seamless UX. Additionally, you will contribute to architectural discussions, helping to shape the technical direction of the product alongside senior engineers.

Key Responsibilities

• Design & Implementation:
  • Develop and maintain high-quality cross-platform applications using React Native and TypeScript
  • Build reusable UI components and highly performant lists (utilizing tools like FlashList or FlatList) that strictly adhere to design specifications
  • Integrate mobile apps with backend services via RESTful APIs and WebSockets to ensure real-time data synchronization
  • Debug platform-specific issues using Xcode and Android Studio, and write or modify native modules (Swift/Kotlin) when standard libraries are insufficient
• Engineering Standards & Quality:
  • Champion code quality by writing clean, testable TypeScript code and actively participating in peer code reviews to ensure standards for readability and maintainability are met
  • Contribute to the long-term health of the codebase by identifying and fixing technical debt and improving overall test coverage
  • Participate in architectural discussions, offering input on state management (e.g., Redux Toolkit, Zustand) and navigation patterns to improve scalability
• Performance, Reliability & Collaboration:
  • Monitor production stability using tools like Sentry or Crashlytics, proactively identifying and fixing crashes or errors
  • Optimize app performance by focusing on specific metrics such as frame rates, memory usage, app size, and battery consumption
  • Assist in maintaining CI/CD pipelines to ensure smooth and reliable releases to the App Store and Google Play
  • collaborate effectively with non-technical stakeholders to explain technical constraints and propose viable solutions

Requirements

• 3+ years of professional software engineering experience, with at least 2 years strictly focused on React Native development
• Strong proficiency in TypeScript and the React Native ecosystem (CLI, Hermes, debugging tools)
• Solid understanding of iOS and Android build systems (Gradle, Pods, signing/provisioning). You must have the ability to read native code (Swift/Kotlin) to debug platform-specific issues
• Familiarity with modern React patterns (Functional Components, Hooks) and state management libraries (Redux Toolkit, Zustand, or TanStack Query)
• Experience writing unit tests using Jest and familiarity with End-to-End (E2E) testing concepts
• Ability to explain technical concepts clearly to diverse teams
• English: Upper-Intermediate or higher (B2/B2+, written and spoken). You need to be able to communicate clearly in English to work effectively in an international team and participate in architectural discussions

Nice to Have

• Experience launching and maintaining a B2C app with 100k+ Monthly Active Users (MAU)
• Hands-on experience writing Native Modules or JSI/TurboModules from scratch
• Familiarity with mobile analytics tools (Segment, Amplitude) and A/B testing implementation
• Experience with automation tools like Maestro or Appium
• Knowledge of backend fundamentals (Node.js) to debug API integrations effectively

What We Offer

• Your code will impact millions of users globally. Performance optimizations you implement will translate into immediate value and improved user experience
• Work with the latest React Native tools and standards (TypeScript, Hermes, etc.) without being bogged down by legacy spaghetti code
• A collaborative environment with rigorous code reviews and knowledge sharing - we value the best idea, regardless of title or seniority
• A high level of ownership where you can see your features go live quickly in a fast-paced environment
• Full-time & fully remote position
• 15 days of paid vacation days
• 5 days of paid days off
• 5 days of paid sick leave
• Maternity/Paternity leave
• National holidays based on the country of your stay

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

We are currently seeking a Tax Manager with a focus on personal taxation and migration issues, with an international outreach.

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

Responsibilities / Your Impact:

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

Required qualifications and skills:

• 3+ years of experience in law firms / Big 4 / local or international top-tier companies within the respective domain.
• A degree in law from a Ukrainian or foreign university
• Conversational English at a B2+ level
• Initiative and willingness to work on a broad variety of legal matters and to think creatively to solve complex legal issues
• Action-oriented, well-organized, self-starter
• Skillful translator of complex legal issues into plain business solutions
• Excellent interpersonal and communication skills, both written and verbal

Will be a plus:

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

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

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

What we offer:

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

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

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

Let's build the next big everything together!

About Flamingo

Flamingo is revolutionizing the Managed Service Provider (MSP) industry with an AI-driven, open-source platform for IT and security. Our goal is to empower MSPs with automation, optimization, and scalability tools to enhance their operations.

We are now expanding our system layer by developing cross-platform agents and background services written in Rust, designed to operate on Windows, macOS, and Linux. These agents form the backbone of our telemetry and device management capabilities across thousands of managed endpoints.

Role Overview:

As a C/C++ Developer, you’ll build reliable, high-performance system services and daemons that power Flamingo’s open-source infrastructure for MSPs.

You will work closely with backend engineers to design, implement, and optimize cross-platform components responsible for device management, monitoring, and secure data exchange.

Key Responsibilities:

• Develop cross-platform agents, daemons, and background services in Rust for Windows, macOS, and Linux.
• Work with low-level system APIs and platform-specific tools: Win32 API, LaunchAgents/Daemons, systemd, and more.
• Integrate services with backend infrastructure via HTTP, WebSockets, and NATS.
• Write secure, asynchronous, and performant Rust code using Tokio, Serde, and Tracing.
• Optimize real-time data processing, message handling, and network performance.
• Collaborate with backend and platform teams to ensure reliability, observability, and security across deployments.
• Contribute to our open-source projects by writing clean, documented, and community-friendly code.

Our Stack:

• Language: Rust (1.8x+)
• Core Libraries: tokio, serde, anyhow, tracing, thiserror
• Networking: reqwest / hyper (HTTP), tokio-tungstenite / warp (WebSockets), nats.rs (NATS)
• Platform APIs:
  • Windows – Win32, COM, Registry
  • macOS – LaunchAgents, Daemons, Keychain
  • Linux – systemd, journal, epoll, nix crate
• Tooling: Git, GitHub, cross-platform builds

Qualifications:

Must-Have

• Strong proficiency in C/C++ with experience writing system-level or low-level software.
• Experience developing system-level software for at least one major OS (Windows, macOS, or Linux).
• Familiarity with platform APIs (e.g., Win32 API, systemd, macOS Daemons).
• Solid understanding of networking (TCP/UDP, WebSockets, HTTP).
• Experience with multi-threaded and asynchronous/concurrent programming.
• Attention to security, performance, and code maintainability.
• Experience with Rust.

Nice-to-Have

• Experience migrating or integrating C/C++ codebases with Rust.
• Experience with NATS, message brokers, or real-time telemetry systems.
• Experience building cross-platform agents or monitoring tools.
• Contributions to open-source projects (especially in Rust).

Why Join Flamingo?

• High-impact role: Build the foundational layer of Flamingo’s open-source infrastructure.
• Ownership & Equity: Competitive salary plus meaningful stock options in an early-stage startup.
• Modern Tech Stack: Rust, NATS, async, cross-platform tooling, the best of systems and cloud engineering.
• Remote-first Culture: Flexibility to work from anywhere while collaborating with a world-class team.
• Mission-Driven Company: Help us redefine how MSPs operate with open-source, automation, and AI at the core.

Ajax Systems is an international technological company and Europe’s largest security system manufacturer. In addition, the company offers solutions for video surveillance, smart homes, fire detection, and flood prevention. The product portfolio includes 280 wireless and wired devices for security and automation. Today, Ajax protects over 4.5 million users in 187 countries worldwide. 

We are looking for a smart, experienced, and technically proficient Senior Java Developer to join our team in Kyiv office.

Required Experience:

- Java: 5+ years of professional backend development in enterprise environment
- Kotlin: Knowledge and practical work experience
- Java Concurrency: Strong understanding and practical application experience

Architecture & Design
- Understanding of SOA, microservice, and event-driven architecture
- Cloud development principles with practical AWS experience
- Ability to scale and ensure high availability of loaded systems

Technologies & Tools

Required:

- Kafka, MongoDB, NATS
- Enterprise-grade stack (messaging brokers, in-memory storages, NoSQL, key-value databases)
- Docker and Kubernetes (containerized applications)
- Git, Gradle, Jenkins
 

Nice to Have:
- Redis, Netty, Akka, gRPC, Project Reactor
 

We offer:
- The opportunity to share and implement your own ideas that could impact products and production
- Work with a motivated team and an environment with a zero-bullshit culture
- Competitive salary
- Medical insurance
- Corporate English classes

About Flamingo

Flamingo is revolutionizing the Managed Service Provider (MSP) industry with an AI-driven, open-source platform for IT and security. Our goal is to empower MSPs with automation, optimization, and scalability tools to enhance their operations. 

Role Overview

As a Senior Back-end Engineer (Java) at Flamingo, you will design and develop scalable, high-performance back-end services and APIs using Java and Spring Boot. You will be responsible for implementing event-driven microservices, optimizing system performance, and ensuring high availability as we scale our platform. Your expertise in processing high-volume logs and integrating multiple data sources will be critical to building a robust and efficient system.

Key Responsibilities

• Design and develop scalable backend services and APIs using Java (Spring Boot).
• Architect and implement event-driven microservices with Kafka and RabbitMQ.
• Process and analyze high-volume logs efficiently to ensure scalability and real-time insights.
• Integrate and manage multiple data sources, including SQL, NoSQL, and streaming data.
• Optimize database performance using PostgreSQL, Redis, and Elasticsearch.
• Implement authentication and authorization mechanisms with OAuth, JWT, and Keycloak.
• Collaborate with front-end and DevOps teams to build a seamless and resilient system.
• Ensure code quality through automated testing, CI/CD pipelines, and best engineering practices.

Qualifications

Must-Have:

• 5+ years of experience in backend development with Java and Spring Boot.
• Experience in microservices architecture, including event-driven systems (Kafka, RabbitMQ).
• Strong knowledge of RESTful APIs, GraphQL, and WebSockets.
• Experience processing high-volume logs and working with log management tools (ELK stack, Loki, Fluentd, OpenTelemetry).
• Experience working with multiple data sources, including relational (PostgreSQL) and non-relational (Redis, Elasticsearch) databases
• Experience with containerization (Docker, Kubernetes) and cloud platforms (AWS/GCP).
• Understanding of security best practices in backend development.

Nice-to-Have:

• Experience with functional programming in Java or Scala.
• Familiarity with distributed tracing (e.g., Jaeger, Zipkin) for microservices.
• Knowledge of cloud-native architectures and serverless frameworks.
• Exposure to message queues and event sourcing.

Why Join Flamingo?

• High-impact role: As a back-end engineer, your contributions will directly shape Flamingo’s product and technology.
• Ownership & Equity: Competitive compensation, including significant equity in an early-stage, high-growth startup.
• Innovative Tech Stack: Work with cutting-edge open-source technologies in AI, automation, and security.
• Remote-first Culture: Flexibility to work from anywhere while collaborating with a top-tier team.
• Mission-Driven Company: Join a team passionate about disrupting the MSP industry and making enterprise-grade security and IT automation accessible to all.

We are looking for an experienced full-stack developer to join a project building an AI productivity platform that helps professionals learn and stay current in their field.

Requirements:

• 5+ years of full-stack development experience
• Strong Python backend skills (FastAPI, Flask, or Django)
• Frontend experience with Vue.js or React, TypeScript
• Experience with AI/LLM APIs (OpenAI, Anthropic, etc.)
• RAG pipelines and vector databases (Pinecone, Qdrant, pgvector, Weaviate)
• PostgreSQL, database design
• API integrations and backend design patterns

• Strong documentation and communication skills

   

Nice to have:

• LangChain, LangGraph experience
• Multi-agent AI systems
• Knowledge graphs, Neo4j

Conditions:

• 30+ hours per week
• Long-term engagement (6+ months)
• Must be available for standups before 11am Pacific time (7 pm Kyiv)

We are looking for a Senior GCP Data Platform Engineer to support a strategic cloud migration from AWS to Google Cloud Platform (GCP).

This role is focused on building and maintaining a data-centric GCP environment, including data pipelines, infrastructure, and platform services.

🚀 Responsibilities

• Design, build, and maintain data infrastructure on GCP
• Work with BigQuery for data warehousing and analytics
• Set up and manage Datastream and other GCP-native data ingestion tools
• Deploy and manage applications using Kubernetes (GKE)
• Configure and maintain GCP environments (networking, IAM, services)
• Implement infrastructure as code using Terraform
• Monitor system performance, logging, and reliability
• Continuously improve platform scalability, cost-efficiency, and performance
• Support cloud migration efforts from AWS to GCP
   

🧠 Requirements

• Strong hands-on experience with Google Cloud Platform (GCP)
• Experience with:
  • BigQuery
  • Datastream (or similar CDC tools)
• Solid knowledge of Kubernetes (GKE preferred)
• Proven experience with Terraform
• Experience with cloud infrastructure setup and configuration
• Understanding of data pipelines / data engineering concepts
• Experience with monitoring & logging tools in GCP
• Ability to work independently in a senior/ownership role
   

➕ Nice to Have

• Experience migrating from AWS to GCP
• Knowledge of additional GCP data tools (e.g., Dataflow, Pub/Sub)
• Experience with CI/CD pipelines
• Familiarity with security best practices in GCP
   

💡 Ideal Profile

• Senior-level engineer who can own GCP environment end-to-end
• Strong mix of Data + DevOps + Cloud
• Comfortable working in evolving environments and setting up things from scratch

Ajax Systems is an international technological company and Europe’s largest security system manufacturer. In addition, the company offers solutions for video surveillance, smart homes, fire detection, and flood prevention. The product portfolio includes 280 wireless and wired devices for security and automation. Today, Ajax protects over 4.5 million users in 187 countries worldwide.

We are looking for a smart, experienced, and technically proficient Java Developer to join our team in Kyiv office.


Required experience:

— 3+ years of backend or full-stack development
— Java: solid understanding, ability to read and extend existing services
— Experience building integrations with third-party APIs (Google Workspace, Atlassian, GitHub, etc.)
— Familiarity with webhook-based and event-driven integration patterns
— Understanding of CI/CD pipelines and release management concepts

 

Nice to Have:

— Python: strong practical experience (scripting, REST APIs, automation)
— Google Chat API or similar messaging platform bot development
— Confluence / Jira API integrations
— iOS / Swift basics for lightweight internal mobile tools
— Grafana, Prometheus or similar for internal dashboards
— PostgreSQL / SQLite for lightweight persistence
— Familiarity with release automation tools (e.g. Jenkins, GitHub Actions, ArgoCD)

We offer:

— The opportunity to share and implement your own ideas that could impact products and production
— Work with a motivated team and an environment with a zero-bullshit culture
— Competitive salary
— Medical insurance
— Corporate English classes