Jobs at Djinni

🚀 About Kilona.io

At Kilona.io, we build high-quality, high-speed web and mobile AI applications. We work with top global startups to create cutting-edge products that are fast, precise, and beautifully engineered. 

The project focuses on building and scaling mobile applications with strong backend logic, product analytics, and attribution systems. We need someone who is comfortable not only with React Native development, but also understands backend processes and mobile analytics integrations like AppsFlyer, PostHog, and Amplitude.

💼 What You'll Do

• Develop and maintain mobile applications using React Native
• Create and optimize backend APIs with Node.js
• Integrate mobile analytics tools like AppsFlyer
• Work with product analytics platforms such as PostHog, Amplitude, and similar tools
• Collaborate closely with a small and focused remote team
   

✅ Requirements

• 2+ years of hands-on experience with React Native (Expo OR CLI)
• Practical experience working with Node.js (Express.js)
• Experience with AppsFlyer integrations
• Experience with analytics tools like PostHog, Amplitude, or similar
• Experience with REST APIs and integrating databases (e.g., PostgreSQL, MongoDB, Firebase, Supabase, AWS DynamoDB, etc.)
• Good communication skills in English (B2 level or higher)
   

✨ Nice to have

• Experience with mobile app deployment (App Store, Google Play)
• Understanding of CI/CD pipelines for mobile apps
• Experience using AI-powered dev tools (e.g. ChatGPT, Cursor AI, Lovable, V0) to speed up development
   

🧑‍💻 Working Conditions

• Hourly-based payment model (overtime is always paid)
• Fully remote — work from anywhere
• Flexible schedule — we appreciate team overlap but you manage your own time
• Easy time-off policy — take days off when you need, no bureaucracy
• Work on cutting-edge AI products in a fast-paced and supportive environment

🔍 Hiring Process

1. Video intro OR Quick screening call (20 - 30 mins)
2. Technical interview (up to 1 hour)
3. Final interview (optional)
4. Offer 🎉

Interested? Let’s talk! 📨 Drop us a message — we’re always open to meeting like-minded people.

RESPONSIBILITIES:

Initial 6 months training on the Ad Operations Team:

• Set up campaigns in ad server and collaborate with Operations, Account, Media and Development teams, Clients and Publishers to ensure campaigns are running properly
• Maintain high volume campaigns and assist with any technical issues
• Traffic creative and campaign assets to publishers and troubleshoot technical issues, where necessary
• Create pixels and provide client direction for placing on the client’s site or in Google Tag Manager

Final Media Team Responsibilities:

• Create and update ongoing client buysheets and client authorizations for multiple clients on a regular basis
• Construct, issue, and update on an ongoing basis vendor IOs
• Assist with creative trafficking and client reporting dashboards
• Weekly audit client buysheets against vendor IOs to ensure media spend is consistent
• Update monthly actualized vendor spend numbers based on reported data
• Assist in updating monthly flowcharts of planned vs. actualized spend
• Assist with campaign pacing and maintenance as needed

QUALIFICATIONS & SKILLS:

• BA/BS degree marketing, business, preferred not required
• 1 year experience or college internship of relative experience
• High level of efficiency and accuracy
• Strong communication skills, analytic skills, problem solving and trouble shooting skills
• Excellent Microsoft Office skills
• Proactive attitude with a passion for customer service
• Ability to professionally communicate with, present to, interact with clients
• Ability to multi-task, work successfully with teams, and work under pressure
• Strong attention to detail and time management
• Demonstrates initiative and drives to completion of projects
• Readiness to work from 15:00 till 23:00 in order to have an optimal overlap of work hours with USA based teams.

WHAT WE OFFER:

• • Medical insurance after the trial period ending;
• • Team-building activities;
• • 24 paid vacation days per year;
• • 5 paid sick leave days per year.

We are seeking a highly skilled Full-Stack Azure Application Developer / Architect to support the design, development, deployment, and optimization of a modern cloud-based application. This role requires deep technical expertise across the front-end, API/services layer, background processing, database architecture, security, and Azure platform services.

The ideal candidate will be comfortable working across the full stack, with strong experience in React, Node.js, C#/.NET, Azure Functions, Azure SQL, and secure Azure cloud architecture. This person should be able to independently develop and deploy scalable, secure, and performant solutions while collaborating closely with technical and business stakeholders.

 Required Technical Skills:

🎨 Client Layer (Front-End)

• Strong proficiency in React.js (JavaScript, HTML, CSS)
• Experience building SPAs and component‑based architectures
• Familiarity with Node.js for client-side tooling and runtime
• Ability to integrate secure APIs and handle authentication flows
• Experience deploying Node-based front ends in Azure App Service

🖥️ Server Layer (API / Microservices)

• Advanced experience with C# and .NET
• Building and deploying Docker containers
• Running containerized services on Azure Linux
• Strong understanding of RESTful API design, versioning, and performance tuning

⚙️ Batch / Background Processing

• Hands-on experience with Azure Functions
• Ability to write Functions in C# and Node.js
• Understanding of triggers, bindings, durable functions, and event-driven patterns
• Familiarity with scaling behavior and monitoring in Azure Functions

🗄️ Backend / Data Layer

• Strong SQL skills
• Experience with Azure SQL Server
• Database schema design, stored procedures, indexing, and performance optimization
• Understanding of secure connection patterns (managed identities, Key Vault, etc.)

🔐 Security

Client Authentication

• Experience integrating External ID / Microsoft Entra ID
• Understanding of OAuth2 and OpenID Connect flows
• Secure token handling and session management

Application Security

• Familiarity with Azure Application Gateway
• Understanding of WAF rules, routing, and SSL/TLS certificate management
• Experience with secure cloud networking patterns

☁️ Azure Platform Expertise

A strong contractor should be comfortable navigating and configuring:

• Azure App Service
• Azure Container Registry
• Azure Functions
• Azure SQL
• Azure Storage (Blob, Queue, Table)
• Azure Monitor / Application Insights
• Azure Key Vault
• Azure Networking (VNets, subnets, firewalls, private endpoints)

Readiness to work from 15:00 till 23:00 in order to have an optimal overlap of work hours with USA based teams.

We offer:

• Comfortable working place;
• Medical insurance after the trial period ending;
• Team-building activities;
• 24 paid vacation days per year;
• 5 paid sick leave days per year.

We’re looking for a Billing Support Specialist to ensure smooth payment operations, accurate refund processing, and proactive risk monitoring. In this role, you’ll be responsible for handling billing-related issues, investigating fraud signals, managing chargebacks, and monitoring transactions in real time. Your attention to detail and ability to make data-driven decisions will help minimize financial risks and maintain operational stability.
 

We are a well-coordinated team of 25+ professionals with extensive experience in delivering support, moderation, and payment operations services within the adult social discovery space.
 

What You’ll Do

• Review automated and manual refunds
• Analyze fraud alerts and ChargebackHelp signals, initiate additional refunds when needed
• Handle and analyze chargebacks (metrics, success rate)
• Monitor transactions in real time (Superset, Corefy) and work with payment providers on incident resolution
• Manage refund cases and support user retention in dispute scenarios
• Communicate with banks and payment providers regarding high-risk cases
• Perform chargeback reconciliation and investigate financial discrepancies
• Analyze high-value fraud cases
   

It’s all about you

• 1+ year of experience in Billing Support or Payments.
• Hands-on experience with refunds, payment systems, and chargebacks.
• Strong analytical skills and attention to detail.
• Experience with fraud detection and risk assessment tools is a plus.
• Ability to multitask and work with real-time data.
• Proficiency in written English (Upper Intermediate or higher) and fluent Ukrainian.
• Experience with Freshdesk or similar tools.
• Strong ownership mindset and decision-making skills.

What You Get

• Fully remote work from anywhere in the world (using your own equipment).
• Competitive salary with growth potential.
• Work schedule: 2/2 or 3/3 rotation. Evening shifts only: 15:00 - 23:00 or 18:00 - 02:00.
• Opportunities to learn: access to our library, mentorship, and regular feedback.
• Startup vibe: less bureaucracy, more freedom, direct impact.
• Recognition and rewards for great results.

How We Hire

1. HR interview
2. Test task
3. Interview with Head of Operations and Payment Operations Manager
   
   Hiring update: our hiring team is currently on vacation and will resume the process on May 11.

Web Flutter Developer (Remote)

We are looking for a Web (Flutter) Developer to join the company's digital team and help support and evolve web platforms. 

What you’ll do:

• Build and maintain Flutter Web applications
• Work with Dart, async programming, and RESTful APIs / JSON
• Implement the BLoC pattern and follow MVVM / Clean Architecture principles
• Write clean, readable, and maintainable code
• Collaborate with the team and participate in code reviews

Requirements:

• Have at least 1 year of commercial experience with Flutter on web development. Experience with Dart.
• Understanding of asynchronous operations and HTTP requests
• Strong willingness to learn and grow professionally
• Team-oriented mindset
• It would be nice if you have a conversational English level, but it is not mandatory.

What company offers:

• Fully remote, work from anywhere
• Opportunity to grow into a Middle/Senior role
• Supportive team and mentorship

Who you are:

• Curious, proactive, and enjoy solving problems
• Detail-oriented and take pride in getting things right
• Communicate clearly and work well with different teams
• Motivated to build a strong foundation and grow as a web professional

Nice to have (but not required)

• Basic knowledge of PHP, HTML, CSS, JavaScript
• Exposure to CMS platforms, performance basics, or SEO fundamentals
• Interest in analytics and measurement tools (e.g. GA4)

Personal projects on Flutter (Web) to share (GitHub, portfolio, university projects).

About the company

Ender Turing is a product-focused AI startup building conversation intelligence solutions used in real production environments by international companies.

Founded in 2020, we are a focused team of 9 engineers and product specialists building and operating a production-grade AI platform that processes large-scale customer communication data across voice and chat channels.

Our systems help companies optimize operations through AI-driven speech and text analytics.

Our clients include companies such as Uniqa Insurance Group, OTP Bank, Aventus Group, Nova Pay, Fozzy Group, Dobrobut hospitals and others, operating across markets including Spain, Mexico, USA, Germany, Poland, Czech Republic, Estonia, Colombia and Ukraine.

Small team. Global footprint. Real production systems.

What you’ll work on

• Backend development for high-load conversation processing services
• Building real-time analytics dashboards and data visualizations
• Integrating LLM-powered features (transcription, sentiment analysis, summaries)
• Developing scalable services and data pipelines
• Integrations with CRM and contact center systems (Zendesk, Genesys, Vicidial etc.)

You will work across the stack and own features end-to-end, from architecture decisions to production deployment.

Tech stack

Backend
Python 3.11+, FastAPI, SQLAlchemy, Celery, Redis, PostgreSQL

Frontend
Vue 3, TypeScript, Vuetify, Vite, WebSockets

AI / Data
LLM APIs, speech processing pipelines

Infrastructure
Docker, Kubernetes, AWS / GCP, OpenSearch, Traefik

Tooling
Git, GitHub Actions, pytest, pre-commit

Requirements

• 5+ years of experience shipping production software
• Strong backend development with Python
• Experience with modern frontend frameworks (Vue / React)
• Ability to work across backend and frontend components
• Experience with scalable systems and APIs
• Comfortable using AI tools to accelerate development
• Self-driven engineer able to take ownership of features

What we offer

• Work on real AI systems used by international companies
• Small, experienced engineering team
• High ownership and fast product iterations
• Remote-first environment
• Direct impact on product and architecture

Interview process

1. HR conversation
2. Founder discussion
3. Technical interview
4. Technical deep-dive (live coding / architecture discussion)
5. Small take-home task (1–2 hours)

How to apply

Please send:

• Your GitHub profile
• A project you’re proud of
• A short note on why startups, why now, and why Ender Turing

     We are an international iGaming holding company, rapidly expanding and launching a new online casino project in the CIS 

     We are seeking a creative, data-driven Head of Retention CRM Manager. You will develop retention strategies, design and implement multi-channel campaigns (email, SMS, push notifications, in-game messages), and implement personalization and automation that maximize player LTV, reduce churn, and increase revenue.

Key Responsibilities:

• Develop and implement CRM and retention strategies tailored to online casino players.
• Segment the player base by key parameters (LTV, deposit frequency, activity, geographic location, etc.).
• Plan, launch, and optimize multi-channel CRM campaigns (email, SMS, push notifications, in-game messages, WhatsApp, Telegram, etc.). Monitor, analyze, and improve retention funnels and player engagement metrics.
• Collaborate with marketing, analytics, and product development teams to create personalized offers and promotions.
• Track and optimize KPIs such as retention rate, reactivation rate, churn rate, ARPPU, and LTV.
  Conduct A/B tests and implement data-driven improvements.
   

Requirements:

• 2+ years of experience as a Head of Retention Manager / CRM Manager in iGaming (Team Lead)
• Hands-on experience with CRM tools (Optimove, Smartico, Salesforce, Ometria, Emarsys, or similar)
• Strong analytical skills and experience with business intelligence tools (Tableau, Power BI, Looker)
• Expertise in customer segmentation and user scenario development
• A deep understanding of retention and monetization metrics in iGaming
• English (B1+) required
• Experience using Solitics is a plus
   

What we offer:

• Opportunity to be part of the launch of a major international project
• Freedom of action and influence on brand strategy
• Working in a multinational team of professionals
  Competitive salary and bonus system
• Career and professional growth opportunities within a large holding company
• Remote work
• Quick decision-making and freedom from micromanagement

Are you ready to create a brand that will become a market leader? Then join the best and shape the future of the iGaming industry with us! 🚀

About the company:
We are an international iGaming holding company, actively developing and launching new online casino projects in the Tier 1-3 markets. 
We bring global experience to the gaming industry while remaining close to the culture and needs of players.

You can grow with us, influence the outcome, and shape the gaming experience of the future.💯

About ELEMENTS

ELEMENTS is a premium lifestyle brand built on aesthetics, performance, and modern productivity. Our mission is to help ambitious people break the grind cycle and build healthier, more sustainable lives through science-backed supplements, tools, and a healthy hustle community.

As we continue to grow, we are looking for a Head of Growth to build and scale the company’s customer acquisition and revenue engine.

This is a high-impact role focused on strategy, execution, and ownership of growth across paid media, funnels, and retention systems.

What You’ll Do

• Build and execute the overall growth strategy across acquisition, conversion, and retention
• Own and scale paid acquisition channels (Meta as primary, TikTok as secondary)
• Design and optimize funnels, landing pages, and checkout flows (CRO)
• Work closely with content and brand teams to align paid and organic growth efforts
• Develop and optimize retention systems (email, lifecycle, subscriptions)
• Analyze key metrics (CAC, LTV, ROAS, AOV) and make data-driven decisions
• Test new channels, creatives, and growth experiments
• Manage and coordinate freelancers, agencies, and internal contributors
• Continuously identify opportunities to improve performance and scale revenue

What We’re Looking For

• 5–8+ years of total marketing/growth experience, including at least 3+ years in DTC/eCommerce
• Strong hands-on expertise in paid social (Meta, TikTok)
• Experience with funnels, CRO, and lifecycle marketing
• Ability to combine performance marketing with content strategy
• Strong analytical mindset and ability to work with data
• Ownership mentality and ability to operate in a fast-paced environment
• Clear communication and ability to work cross-functionally

Nice to Have

• Experience in supplements, wellness, or subscription-based products
• Background in organic/social growth and content strategy
• Experience managing agencies or building teams

What We Offer

• Competitive salary compensation
• Opportunity to help build a mission-driven lifestyle brand
• A trust-based work environment with no micromanagement
• Remote-friendly and flexible work environment
• The chance to directly impact company growth and scale ELEMENTS to the next level

🌎Akvelon is an American company with offices in Seattle, Mexico, Ukraine, Poland, and Serbia. Our company is an official vendor of Microsoft and Google. Our clients also include Amazon, Evernote, Intel, HP, Reddit, Pinterest, AT&T, T-Mobile, Starbucks, and LinkedIn. To work with Akvelon means to be connected with the best and brightest engineering teams from around the globe and working with an actual technology stack building Enterprise, CRM, LOB, Cloud, AI and Machine Learning, Cross-Platform, Mobile, and other types of applications customized to client’s needs and processes.

About the project:

The project is focused on building a modern data platform that processes and enriches data from multiple external sources and supports advanced analytics, machine learning workflows, and business decision-making.

About the role: 

As a Senior Data Engineer, you will design and build scalable data pipelines, data services, and ML-ready datasets for production use cases.

The role requires close collaboration with data science, engineering, and business teams. We are looking for someone with product-oriented data engineering experience, not only traditional DWH or reporting background.

Requirements:

Must have:

• Strong experience in Data Engineering
• Advanced Python
• Strong SQL
• Snowflake
• dbt
• Databricks / PySpark
• ETL/ELT pipeline design
• Experience supporting ML or advanced analytics workflows
• Experience building production-grade data systems
• Good English communication skills

Nice to have:

• Financial domain experience
• Feature engineering / ML-ready datasets experience
• APIs, data services, or data product integrations
• Real-time or iterative data processing experience
• Graph databases

Overlap: stay available until 8-9 PM CET

Working conditions and benefits:

• Flexible working schedule: 8 hours per day, 40 hours per week
• Paid vacation, sick leave (without a sickness list)
• Official state holidays – 11 days considered public holidays
• Professional growth while attending challenging projects and the possibility to switch your role, master new technologies and skills with company support
• Personal Career Development Plan (CDP)
• Employee support program (Discount, Care, Health, Legal compensation)
• Paid external training, conferences, and professional certification that meet the company’s business goals
• Internal workshops & seminars
• Corporate library (Paper/E-books) and internal English classes.

Step into your future – apply now 🚀 and send us your CV.

We’re hiring a Content Manager to run the engine behind our SEO delivery for SaaS and e-commerce clients.

This is not a writing role.

You’ll be managing strategists, systems, and execution.

What you’ll do

1. Oversee SEO Strategists (each handling multiple accounts)
2. Ensure all client work is on time, high quality, and aligned with revenue goals
3. Manage and maintain the central tracker (deadlines, phases, deliverables)
4. Review content plans and ensure they are commercially viable
5. Spot issues early and fix bottlenecks
6. Improve internal processes and workflows
7. Step in on client communication when needed
8. Make sure the procurement aligns with client contract

What we’re looking for

1. Strong understanding of SaaS / e-commerce SEO
2. Experience with commercial intent / revenue-driven content
3. Ability to quickly judge what’s good vs bad
4. Highly organized, responsive, and accountable
5. Strong written communication skills
6. Comfortable using AI tools like Claude

Role details

• Part-time to start (~10 hrs/week)
• Scope grows based on performance
• You’ll manage strategists handling 4–6 accounts each

What success looks like

• Work is consistently on time and high quality
• Strategists are aligned and improving
• Clients feel in control and well-managed

Summary

You are: the operator behind the operators If the system works, it’s because of you.

Winex Affiliates is an ambitious and fast-growing affiliate program in the iGaming industry, focused on the international market. We are looking for a Business Development Manager to help scale our B2B partnerships, expand into new markets, and establish strategic collaborations.
 

Key Responsibilities:

• Identify and attract new partners (affiliate networks and direct advertisers).
• Negotiate and onboard partners into our network: contracting, terms alignment, and signing.
• Manage partner relationships: onboarding, support, performance analysis, and regular reporting.
• Deal analytics in Google Spreadsheets/Excel; optimization based on KPIs.
• Handle documentation: contract preparation and related administrative tasks.
• Attend iGaming conferences and stay active in industry communities.
   

Requirements:

• 1+ year of experience in Business Development, Affiliate, or Sales within iGaming.
• Understanding of business models: RevShare, CPA, flat, hybrid.
• Strong analytical skills and experience working with large datasets.
• Proficiency in Google Sheets/Excel for analytics and reporting.
• English — Intermediate+ level.
• Soft skills: communicative, proactive, adaptable, and self-driven.
   

We Offer:

• Remote work format.
• Competitive compensation.
• Support for professional growth.
• Participation in corporate events.
• Flexible schedule, autonomy, and quick decision-making with no bureaucracy.
   

WinexAff is an ambitious and fast-growing affiliate network in the digital marketing space. We are currently expanding our team and looking for an Affiliate Manager and a Business Development Manager.
 

The key advantage of working at Winex is the opportunity for a proactive and experienced specialist to build a partner base from scratch and make a real impact on the company’s growth.
 

Your Responsibilities:

• Develop and manage the affiliate program.
• Attract new partners and build long-term relationships.
• Analyze campaign performance and implement improvements.
   

Requirements:

• 1+ year of experience working solely in an affiliate network (preferably in gambling).
• Understanding of key tools and techniques in affiliate marketing.
• Analytical mindset and strong communication skills.
• Existing network of contacts is a plus.
• English level B1 or higher.
   

We Offer:

• Competitive compensation.
• Fast career growth opportunities.
• Exciting projects with well-known brands.
• A friendly and professional team.

As our Senior Frontend Engineer, you’ll build and maintain high-performance, scalable web applications that deliver seamless user experiences. You’ll operate with full ownership: deploy daily and make fast decisions.

This is an intense, hands-on role with full ownership. We expect you to push for excellence and raise the bar.

📍 Location: Remote with overlap to our New York City HQ (EST)

Where You’ll Create Impact

• Build, ship and own major parts of the product UI in React + Next.js
• Design and optimize interactive experiences that make complex workflows simple
• Work closely with product, design and backend to ensure seamless integration and clarity
• Contribute to architecture, performance, accessibility and responsiveness across browsers
• Help define our frontend system and component library as we scale

• Elevate the quality of the product through thoughtful details

   

What Sets You Up for Success

• Hardcore work ethic and high agency
• 5+ years of experience in frontend development with React (Next.js a strong plus)
• Solid grasp of JavaScript and TypeScript: scoping, closures, context, prototypes, classes, etc.
• Strong understanding of responsive UI, accessibility and usability principles
• Experience building and testing APIs; comfort with HTTP, Postman, and debugging
• Clear product thinking, eye for polish and attention to design details
• Pragmatic mindset: you move forward fast
• Curiosity and autonomy - you dig in, learn fast and solve problems without waiting
• Fluent in English (C1+) with strong written and verbal communication

Backend Developer (Node.js) for the  international product IT company,  which provides a full-stack package of complex AdTech solutions for digital advertisers, publishers and ad agencies worldwide. 

  The company develops white-label platforms for enterprise clients—custom turnkey solutions to automate and optimize digital advertising.

Products company : SSP, DSP, Ad Exchange platforms.

Main markets - Tier 1-2 

The technical team - up to 30 people (CTO, Team Lead, Back-end -10, Front-end developers, QA, DevOps )

Project stack: Node.js (backend), NoSQL, SQL, Redis, MongoDB,  Linux.

Locations/Offices - Kyiv, Lviv, Odesa, Mykolaiv or remote.

 Requirements:

• At least 5 + years of backend development experience, with a strong focus on Node.js
• Deep understanding of asynchronous programming in Node.js and event loop
• Knowledge or  experience with high-load systems
• Familiarity with SQL, NoSQL, and in-memory key-value databases for data storage and optimization;
• Knowledge of network protocols such as HTTP, TCP, and FTP;
• Expertise in identifying and resolving issues efficiently;
• Experience or understanding unit testing;
• Experience with Linux servers, handling basic administration tasks;
• Performance optimization skills;

Responsibilities:

• Write clean, efficient, and maintainable code following best practices
• Develop and maintain scalable backend services using Node.js 
• Debug and resolve issues in the backend systems
• Manage and optimize SQL and NoSQL databases 
• Write and maintain unit tests to ensure code quality
• Collaborate with team lead, frontend developers, CTO, Delivery Coordinator and other team members
•  Continuously learn and apply new technologies to improve backend systems

We offer:

• Vacation 21 calendar days per year (15 working days) - cumulative, the balances are 

           carried over from year to year

• medical insurance
• days off - 7 days per year
• additional 1 day of absence per year on the occasion of celebrating Birthday
• 15 paid sick leave per year
• 15 unpaid leave per year
• days off on public holidays
• referral bonuses
• coworking compensation
• corporate technology

We are looking for a specialist with a strong experience in security analytics, open and closed networks and data breaches to work on a password manager project.

Required skills:

1) Experience in leak research and analytics

2) Experience with open account databases 

3) Experience with open and closed sources including tor and other sources

A big plus will be:

- Fluent English

- Understanding or hands-on experience with user security programs and password management systems

- Understanding of regulatory specifics regarding the storage and operations of user data

We offer:

- Flexible schedule

- Flexible workload (full-time or part-time)

- Interesting tasks within an international project

- Working on a great product in a good team
- Specified salary depends on experience and is actual for full-time workload