Jobs at Djinni

We invite you to join our team as a Junior Flutter Developer to work on the development of a mobile app in the on-demand services sector. 

Location: Ukraine, remote, full time. 

Requirements:

- Experience with Flutter;

- Experience in UI design;

- Familiarity with Firebase;

- Basic understanding of CI/CD and pipeline processes;

- English - B2

A plus would be: 
- a basic understanding of backend development. 
 

Applefy, a leading mobile and Web Development company, is looking for a talented Flutter Developer to join our dynamic team on an ongoing project. 
This is a fantastic opportunity for a developer passionate about building high-quality mobile applications and wanting to grow their skills in a flexible and supportive environment.

What We Offer:

• Flexible work schedule: Manage your own time and work at your own pace.
• Fully remote: Work from anywhere in the world.
• Comprehensive leave policy: Enjoy all official holidays, 20 days of paid vacation, and 10 sick days without needing a doctor’s note.

Key Requirements:
• Strong communication skills
• Proficiency in spoken English
• 3+ years of experience with JavaScript |  Electron.js

• experience handling image/video generation workflows
• At least two years of experience in product development
• Solid understanding of UI/UX principles
• Keen attention to detail
• A desire to learn and grow professionally

Preferred Qualifications:
• MacBook (ARM processor) & iPhone owner
• ML / Python experience 
• Residency in Ukraine 🇺🇦

If you’re ready to take the next step in your career with Applefy, we’d love to hear from you!
 

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 a full-cycle company working from idea generation and R&D to mass production and sales. We do everything: we produce physical devices (the system includes many different sensors and hubs), write firmware for them, develop the server part and release mobile applications. The team is distributed among 2 offices in Kyiv and Lviv, all technical and product decisions are made locally.

Ajax already released and continuously improves Malevich OS, which is a heart of our Hub’s. Now we are looking for Embedded Engineers who are ready to make our system better with us. For us never could be enough: there are still a lot of new functionality, sensors, features to make our system even cooler.
 

Required skills: 

- Excellent knowledge of embedded coding techniques, interfaces (e.g. SPI, I2C, UART, CAN, RS485) and subsystems

- Strong skills in various build systems.

- Excellent knowledge of C programming language

- Understanding of operating systems: embedded developers usually need experience in programming in embedded Linux or similar embedded operating systems

- Good hands-on experience of software engineering fundamentals such as testing, continuous integration, continuous deployment, pull requests and code reviews, source control, work item/issue tracking.
 

Would be a plus:

- Experience with MCU's, e.g STM, ESP, AVR, NRf etc

- Scripting languages Python, Bash

- Basic electronics: embedded engineers use oscilloscopes, logic analysers, and multimeters for debugging
 

Responsibility zone: 

- Participate in the full embedded software life cycle: design, implementation, code reviews, documentation, testing and validation

- Analysis and systematic problem solving for SW reported issues

- Cooperate with electrical engineers to perform verification of new hardware from software team perspective. Review and provide feedback on the firmware specific aspects of hardware design

- Delivery highly reliable Malevich OS releases

- Work with high-level and technical requirements for research and development new features

- Create unit and functional tests
 

With us you will enjoy:

- Working with a team of people to build the future of an industry.

- Gain commercial experience with on-site support from  experienced team members

- Non-trivial challenges and various specter of interesting tasks.

- A flexible, friendly and collaborative work environment.

- Corporate culture based on common sense.

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)

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

If you do NOT want to disappear inside a large company doing small, invisible tasks for months – surrounded by people who don’t care, buried in bureaucracy, time tracking, and performance reviews that lead nowhere – this role may be for you.
 

If you DO want to work somewhere your contribution counts, where you can grow fast and work on real problems that actually matter – keep reading.
 

What the work actually looks like

• Design, deploy, and manage AI agents that automate real workflows
• Ship internal tools, external tools, and small applications end-to-end
• Solve practical engineering problems fast — integrations, scripts, automations, backend logic

We care more about how you think than what you’ve already shipped.

You’ll likely fit this role if:

• You use AI tools naturally as part of how you work
• You scope problems before writing code — and know what to skip
• You notice details others miss
• You’re honest about what you don’t know, and quick to figure it out
• You’ve built something recently, even if it was small

What we don’t care about

• Your years of experience
• Whether you’ve worked at a well-known company
• A perfect CV

Stack

We use what fits the problem. You should be comfortable with JavaScript, basic deployment, and working directly with APIs and LLM-based tools.

Our hiring process

• Short assessment (~45 min)
• Interview with the founder
• If it clicks, we move fast

Short assessment

We use a testgorilla for our short assessment. No trick questions. No algorithm puzzles. Just practical scenarios that reflect what the job actually looks like.

It’s an excellent opportunity for emerging talent seeking a unique experience in helping grow international companies, brands, and relations across the US,UK and EU.
 

This is an execution-first junior role for a marketer who wants to grow into a T-shaped professional. You’ll help us validate and launch multiple micro-bets: shipping content, campaigns and improving marketing efficiency, launching content and ppc campaigns, working to promote the next gen products.
 

Responsibilities

• Research competitors, customer pain points, keywords, and search intent for digital products.
• Write strong marketing copy for landing pages, Google Ads, lead magnets, emails, articles and outreach sequences. 
• Create and improve landing page content with a clear focus on conversion.
• Distribute articles, informational content about the selected product. Launch, manage, and optimise Google Ads campaigns. 
• Build simple acquisition funnels around clear offers and customer pain points.
• Track campaign performance and improve results based on data.
   

Requirements

• Good written English (using AI or similar tools).
• Good communication techniques, basic marketing hooks and funnels, and negotiation skills.
• Good keyword research skills and understanding of search intent.?
• Practical experience with Google Ads campaign setup, copywriting, and optimisation.
• Ability to create effective landing page content for lead generation and customer acquisition.
• Ability to write outreach sequences for email, LinkedIn, or similar channels. Comfortable using AI tools such as ChatGPT to support research and content creation.
• Organised, proactive, and able to work independently. 
• Perfect with time management and task prioritisation, disciplined, and focused - must.
• Be motivated to meet expectations, learn under tight hours, and deliver excellent results over the expected time.
   

What you’ll get

• Opportunity to work anywhere, as soon as the time zone matches the policy.
• Access to bespoke technology, infrastructure, knowledge, and expertise.
• Participate in life-changing projects dedicated to international partnership, brand development, government relations, public appearances, etc.
• Focus on the international market, innovative AI, FinTech, and startup investments.
• A front-row seat to venture building - from insight capture to decks, pre-seed, V1, and go-to-market.
• Coaching, playbooks, and exposure to investor-ready practices (clean structures, data rooms, crisp metrics).
• Fair salary based on the skill level, performance, and results.
• Cash bonuses as a %% of project revenue.
• Trampoline for your future career.
   

Launch United is a digital incubator. We turn privileged market insight into fundable companies fast - validating with capital and signed intent before heavy engineering - and scale them across FinTech, digital SaaS, and Web3. We operate a fast, ethical «insider-to-investable» pipeline and build with a relentless tempo: one tested hypothesis per team per month, default kill unless evidence to commit. HQ in London; operating across the US, Canada, LATAM, UK and EU.

3-month project with possible continuation.

The project is a business platform consisting of 2 mobile apps, 2 web interfaces and admin dashboards for cleaning-on-demand and their back office.

Development from scratch, in a team of 7 developers. Your primary focus will be the development of server-side logic, working with AWS, and the creation of endpoints to serve front-end tasks.

Urgent position, start ASAP.

Responsibilities

· Integration of user-facing elements developed by front-end developers with server-side logic.

· Work with React Native and React.js developers and the architect to deliver the scope milestone by milestone.

Skills And Qualification

MUST Have's:

Node.js 

JavaScript / TypeScript 

NestJS

Fastify

Express 

PostgreSQL 

TypeORM 

Redis 

Docker

Will be a plus:

Achitecture and Patterns

Microservices

WebSockets

Message Brokers 

CI/CD 

AWS Elasticsearch 

Grafana 

Prometheus

ЩО МИ ПРОПОНУЄМО:

- FULLTIME;

- Робота з новими технологіями на потоці;

- Гнучкий графік (важливо бути на зв'язку з 10 до 17);

- Робота з ФОП

Про компанію RedCat

RedCat is an IT company offering web and mobile development services to the international market. Today we are fully remote (obviously).

We are a team of professionals with 5 years of experience in the design and development of innovative solutions for startups and small businesses in different business domains of Western Europe and the USA, Israel and Australia.

Our technology stack:

- React.js, React Native;

- Node.js

- Blockchain/Polygon

- iOS development

- Android development

- QA and DevOps

- AI tools

Recruiting process:

- CV submission

- Test task

- Tech interview and organizational interview (1:15 min)

- Offer or full feedback provision

- Onboarding plan and activities (30 min)

We’re building something very different at PRAI.

This is not a typical job.

This is a chance to work at the edge of AI, media, and attention economy.

About PRAI

PRAI is an AI platform transforming PR and communications.

We’re building AI Employees — systems that:

• generate content

• run outreach

• replace slow, manual work

Now we’re scaling into AI video content — fast, viral, performance-driven.

If you understand where media is going — you’ll get it.

What you’ll do

• Create viral short-form videos (TikTok / Reels / Shorts)

• Use AI tools:

• Sora (or similar)

• Runway / Pika / Kling

• Build clickbait hooks (first 1–3 seconds = everything)

• Turn ideas into high-converting video flows

• Produce content daily (speed matters more than perfection)

• Test → iterate → scale what works

Work format

• Fully remote

• Full-time

• Startup speed (fast, intense, no hand-holding)

• Performance-driven environment

We use Hubstaff for time tracking — we’re focused on output and accountability.

Who we’re looking for

You’re not “just editing videos”.

You:

• understand attention and psychology

• know what makes content go viral

• can produce a lot, not just “perfect”

• move fast and don’t overthink

Mindset

• speed > perfection

• execution > talking

• no excuses, just results

• test aggressively, drop what doesn’t work

Test task

We may ask you to create:

3 short AI-generated videos

→ strong hook

→ clear flow

→ engagement-focused

Why people want to work with us

• You work with cutting-edge AI tools before most people even understand them

• You build real output, not fake busy work

• You move fast and actually see results

• You’re not stuck in corporate nonsense — only execution matters

• If you’re good, you grow very fast with us

In one sentence

We’re building AI-driven content that people can’t scroll past.

APPLY IF:

You feel this is your environment.

Company website:
prai.us

About the Role:

We’re looking for a Full-Stack Developer - a proactive and curious developer eager to dive into the world of AI, LLMs, and innovative internal tools. This is a perfect role for someone with a solid technical background (preferably a recent graduate or final-year student) who wants to grow fast by working hands-on with cutting-edge technologies.

👉 What You’ll Do:

• Build and iterate on internal tools, prototypes, and product experiments with a strong focus on AI and LLM-driven solutions.
• Work as a Full-Stack engineer, using primarily Python (Django or FastAPI) on the backend and React.js on the frontend.
• Apply vibe coding practices — rapidly prototyping, experimenting, and shipping ideas with speed and creativity.
• Collaborate closely with product, design, and engineering teams to turn concepts into working features.
• Continuously explore and integrate new technologies in AI, LLMs, and modern web development.
• Take part in brainstorming sessions, contributing ideas that shape product direction and innovation.

👉 What We’re Looking For:

• 3+ years of hands-on commercial development experience.
• Strong foundation in Python with practical experience in Django or FastAPI.
• Basic to intermediate experience with React.js and modern frontend development.
• Understanding or strong interest in full-stack development (backend + frontend integration).
• Interest in vibe coding — experimenting, building fast, and iterating quickly with new tools and approaches.
• Curiosity about AI, LLMs, and how they can be applied in real-world products.
• Proactive and self-driven mindset — you take ownership and actively look for opportunities to build and improve.
• Technical education background (Computer Science, Engineering, or related field) is a plus.

👉 What we offer:

📈 Professional Growth Opportunities

• Ambitious goals and interesting projects;
• Regular & transparent performance review and feedback process;

• Possibility for both vertical or horizontal growth (in case you want to try a different path).

   

🎁 Benefits Program

• 18 working days of fully paid days off.
• Help with individual entrepreneurs’ questions and accounting support;

• Financial support and additional days off for various occasions (e.g. marriage, childbirth, etc.).

   

😌 Comfortable Working Conditions

• Flexible working hours;
• Provision of required equipment;
• Remote working model.

This vacancy requires office attendance in Kyiv

Responsibilities

• Development and support of SPA on ReactJS: web version mobile-first of a high-load application, admin panels for internal use, and marketing pages
• Collaborate with other teams to effectively meet the product and technical needs of the project
• Proactively participate in improvements and existing solutions tuning
• Share expertise and knowledge with your teammates

Requirements

• At least 5 years of commercial experience in development in JS (ES6+)/Typescript
• Strong knowledge of CSS, HTML5, SASS, Jest
• At least 2 years of commercial experience in development in with ReactJS version 16+ (hooks)
• Experience with state management frameworks: Redux and Redux toolkit preferred
• Intermediate English

What we offer:

• International company with several offices in different locations : Tel-Aviv, Kyiv, Warsaw, Limassol.
• Granting an Option;
• A professional environment with great people to work with;
• Competitive salary, performance review;
• Flexible working hours, no one here tracks your work time because our culture is built on trust and cooperation;
• Social package, including sports coverage, elite medical insurance for you and family;
• 20 working days paid vacation and 100% sick leaves coverage;
• Opportunities to make a difference, to develop and grow;
• Regular corporate celebrations, team buildings and fun activities;
• Comfortable office close to the metro station. Our Kyiv office is open 24/7 with all safety and health measures in place.

Responsibilities:

    •    Launch and scale PPC campaigns for dating offers (primarily Google Ads) - minimum 2 years+
    •    Keyword research and search intent analysis for dating vertical
    •    Creation and testing of ad copies compliant with dating policies
    •    Management of budgets, bids, CPA / ROI targets
    •    Setup and optimization of conversion tracking (registrations, subscriptions, payments)
    •    A/B testing of creatives, landers and funnels
    •    Monitoring traffic quality, approvals, bans and account health
    •    Working closely with tech / tracking / product teams
    •    GEO expansion and scaling profitable funnels

Requirements:

    •    Proven experience in PPC for dating offers
    •    Strong knowledge of Google Ads policies (dating, adult, sensitive content)
    •    Experience with keyword-based traffic (Search, Discovery)
    •    Understanding of dating funnels:
registration → subscription → rebill
    •    Ability to work with CPA / RevShare models
    •    Hands-on experience with trackers and analytics
    •    Strong optimization and scaling skills

Experience with Tier-1 GEOs (US, UK, CA, AU)
    •    Work with pre-landers and compliant funnels
    •    Experience recovering accounts / ads
    •    Understanding of cloaking risks and safe setups