Jobs at Djinni

Gamzix is a high-growth international licensed iGaming provider, creating high-performing games and scalable, cutting-edge solutions for the global market.

Our team of 140+ specialists operates globally, with Warsaw as our main hub office. We are driven by continuous improvement and a people-first culture where we communicate openly, win together, and truly enjoy the game we’re building.

We operate under an MGA B2B Critical Supply License and certifications from iTechLabs and GLI, ensuring our products meet high standards of quality, compliance, and performance across markets.

We are looking for an organized and proactive Travel Manager who will take full ownership of business travel operations across the company. This role is being introduced as part of the expansion of our Commercial Department and will become the central point of coordination for all employee and management travel worldwide.

If you enjoy turning complex travel logistics into seamless experiences, can juggle multiple trips simultaneously, and thrive in a fast-paced environment where no two days look the same — we’d love to meet you.

Key Responsibilities

• Organize end-to-end business trips for employees, managers, and external partners, including flights, hotels, transfers, visas, insurance, and travel allowances.
• Coordinate and maintain travel calendars, ensuring efficient scheduling and avoiding conflicts.
• Research and propose optimal travel solutions balancing comfort, timing, and cost-efficiency.
• Manage booking processes and coordinate approvals with stakeholders before finalizing arrangements.
• Monitor travel expenses and ensure compliance with company budgets and travel policies.
• Build and maintain relationships with airlines, hotels, travel agencies, and service providers.
• Prepare and manage travel-related documentation, confirmations, insurance policies, and expense information.
• Support employees during travel disruptions, cancellations, delays, and emergency situations.
• Continuously optimize travel processes and identify opportunities to improve efficiency and service quality.
• Coordinate travel arrangements for management and support high-priority business trips.

Requirements

• 2+ years of experience in Travel Management, Travel Coordination, Operations, Executive Support, Business Support, or a similar role.
• Proven experience organizing multiple business trips simultaneously.
• Experience coordinating travel for external stakeholders, partners, or clients.
• Strong understanding of travel logistics, booking processes, and international travel requirements.
• Excellent organizational and multitasking skills.
• Strong problem-solving mindset and ability to make decisions under time pressure.
• Experience managing travel budgets and maintaining accurate records.
• Excellent communication and stakeholder management skills.
• High level of ownership and responsibility.
• English level B2+ (written communication is especially important).

Tech Skills

• Flight and hotel booking systems.
• Travel planning and logistics coordination.
• Budget management.
• Excel / Google Sheets.
• Vendor and supplier communication.
• Documentation management.

Nice to Have

• Experience supporting C-level or senior management travel.
• Experience working in international companies.
• Experience with Jira.
• Experience organizing travel across multiple regions and jurisdictions.
• Experience building or improving travel processes from scratch.

Benefits

• 7-hour working day (10:00 AM — 6:00 PM with lunch break).
• A-class office in Mokotów, Warsaw.
• Competitive salary in the IT industry.
• 10 paid sick leave days.
• 28 paid vacation days.
• State holidays are paid.
• Medical insurance.
• Training and professional development reimbursement.
• Corporate English courses.
• Referral bonus program.
• Open and transparent communication.
• Friendly and supportive team.
• Corporate events and team-building activities.
• Strong work-life balance culture.

Please note that feedback on your application will be provided within two weeks if a positive decision is made regarding your candidacy.

Gamzix is a high-growth international licensed iGaming provider, creating high-performing games and scalable, cutting-edge solutions for the global market.
Our team of 140+ specialists operates globally, with Warsaw as our main hub office. We are driven by continuous improvement and a people-first culture where we communicate openly, win together, and truly enjoy the game we’re building.
We operate under an MGA B2B Critical Supply License and certifications from iTechLabs and GLI, ensuring our products meet high standards of quality, compliance, and performance across markets.

As Gamzix continues to grow, so does our ambition to become one of the most recognizable voices in the iGaming industry. That’s why we’re opening a brand-new PR & SMM Specialist role — someone who will help shape our presence across LinkedIn, industry media, and the global community.
If you enjoy turning product launches into conversations, executives into thought leaders, and industry connections into long-term partnerships — you’ll fit right in.

Key Responsibilities

• Manage and grow Gamzix’s LinkedIn presence by planning, creating, publishing, and analyzing content performance
• Build and maintain relationships with industry media, coordinating interviews, articles, and PR opportunities
• Support game release communications through LinkedIn, media publications, and review platforms
• Drive executive branding initiatives by developing content plans and increasing the visibility of company leaders
• Track industry awards, prepare nominations, and promote achievements across PR and social channels
• Support communication activities around conferences and events, creating content and coordinating media interactions
• Collaborate with internal teams to ensure timely delivery of communication materials and consistent brand messaging
• Continuously identify new opportunities to strengthen Gamzix’s brand awareness and professional reputation

Requirements

• 2–3 years of experience in PR, Communications, Social Media, Content Marketing, or Employer Branding
• Experience managing LinkedIn business pages
• Experience working with media outreach and content planning
• Experience coordinating multiple projects and deadlines
• Excellent written communication skills and strong attention to detail
• Ownership mindset and strong organizational skills
• Ability to manage multiple priorities in a fast-paced environment
• Confidence communicating with external partners and media
• Proactive, solution-oriented approach
• Team player with excellent interpersonal skills
• Strong written English

Tech Skills

• LinkedIn management
• PR outreach and media communications
• Content planning and editorial calendars
• Basic analytics and reporting
• Google Workspace

Nice to Have

• Experience in iGaming
• Experience in B2B marketing or SaaS
• Experience working with industry media and review websites
• Experience building executive personal brands
• Experience promoting product launches or game releases

Benefits

• 7-hour working day (10:00 AM — 6:00 PM with lunch break)
• A-class office in Mokotów, Warsaw
• Competitive salary in the IT industry
• 10 paid sick leave days
• 28 paid vacation days
• State holidays are paid
• Medical insurance
• Training and professional development reimbursement
• Corporate English courses
• Referral bonus program
• Open and transparent communication
• Friendly and supportive team
• Corporate events and team-building activities
• Strong work-life balance culture

Hi there! We’re Softsich 👋
A young, ambitious, and fast-growing company creating innovative digital products.
We’re looking for a CRM Specialist who combines analytical thinking, attention to detail, and a systematic approach to user retention and lifecycle management.

Your key responsibilities will include:
– Work with promo plans and execute campaigns across your projects.
– Manage automated CRM flows (email, SMS, push, pop-ups) and perform urgent manual sends.
– Set up and optimize communication logic based on retention and lifecycle strategies.
– Segment users (active, inactive, VIP, churn, reactivation, etc.) based on events and attributes.
– Work with Customer.io (campaigns, broadcasts, journeys, segments).
– Monitor the correctness of communications and prevent segment overlaps.
– Analyze campaign performance and prepare recommendations for optimization.
– Collaborate with product, CRM, and other teams to implement communication logic and launches.
– Conduct market and competitor analysis, including CRM best practices.
– Participate in setup and launch of new brands.

It’s a match if you have:
– Experience working with Customer.io or similar automation platforms.
– Experience working with TrueLabel.
– Understanding of email / SMS / push / pop-up automation principles.
– Knowledge of retention metrics (churn, reactivation, CTR, CR, etc.).
– Experience with user segmentation based on events and attributes.
– Understanding of how bonus mechanics impact CRM flows.
– Basic or confident knowledge of HTML/CSS for email templates.
– Strong analytical thinking and ability to work with data.
– English proficiency at the Intermediate level.

Would be an advantage:
– Experience with Tableau or similar analytics tools.

What we offer:
– Flexible schedule and the choice to work remotely or from our offices in Kyiv or Warsaw.
– 24 paid vacation days, sick leave, and medical insurance (in Ukraine; other countries in progress).
– A friendly team where it’s easy to ask questions, learn, and be yourself.
– Coverage of expenses for professional events.
– Birthday greetings, team buildings, and plenty of real teamwork.
– Zero support or cooperation with the aggressor country or any related businesses.
If this approach resonates with you — feel free to apply 🚀

appflame – Ukrainian product IT company that creates world-class products: Hily, Taimi, AdConnect, Mailkeeper, and more.

We are today:

• 7 years, 500+ employees, offices in Kyiv, London, Limassol, and a coworking in Warsaw.
• In 2025, appflame ranked 5th among the 50 best employers in Ukraine according to Forbes and won in the "Place for Growth" category.

Our apps Hily and Taimi are among the Top 5 dating apps in the U.S. with over 70 million users, while AdConnect and Mailkeeper specialize in developing and scaling our own B2B and B2C solutions.

Our mission:

• Flame up the world with Ukrainian products.

Our goals:

• Reach the top 5 list of product companies in the world.
• Become a unicorn.
• Turn Ukraine into a country where unicorns are born and thrive.

We are looking for daring, brave, and "crazy" people. Fans of creating real products and who dream about launching and developing cool startups. You have ambitions, we have comfortable conditions for their fulfillment.

Your Project: Hily

Hily is a dating app that allows users to be truly themselves and enjoy dating as they are. On Hily, users become part of a community where people find genuine connections and meaningful relationships.

The app ranks among the Top 5 dating apps in the U.S. by downloads, competing with market leaders such as Tinder and Bumble.

Hily today: 40M users, 1.5B likes sent, 50M+ matches annually.

You Will

• Build and optimize payment routing across PSPs / MIDs and test scenarios (fallback, cascading, smart routing) across main products.
• Raise approval rate across all geos and products, and scale billing to handle new volume.
• Find LTV growth points through billing: billing models, retry logic, pricing, etc.
• Analyze cohorts and the impact of billing on retention.
• Launch and manage MIDs and build the legal-entity structure for different products and geos.
• Work with descriptors, MCC, and risk profiles, and manage relationships with providers, acquirers, and banks.
• Connect billing to new products and funnels, and quickly spin up new MIDs to support scaling.
• Set up payments for different business models (subscription / one-off / hybrid).
• Control key metrics (approval rate, chargeback rate, refund rate, VAMP / fraud indicators) and build an alerting system.
• Reduce chargebacks and fraud without losing revenue.
• Run billing projects end-to-end and sync with marketing, product, and finance.
• Prioritize the work that delivers business results.

We'll Have a Match If You

• Have 3+ years in a similar role in a subscription business.
• Have hands-on experience with payment systems and payment orchestration platforms.
• Have a solid understanding of subscription economics and how to work with LTV.
• Have experience with MIDs, billing models, and antifraud.
• Have strong billing analytics skills: metrics, cohorts, and impact on LTV / retention.
• Have full-cycle chargeback and dispute management experience (alerts, reason codes, scheme programs).
• Are data-driven in decision-making and able to balance revenue growth against risk.
• Have high ownership and proactivity — you see opportunities and act, you don't wait for tasks.
• Have English at Upper-Intermediate or higher.

Will Be an Advantage

• Hands-on rule-setting in antifraud tools.
• Knowledge of card-scheme dispute programs (Visa VDMP/VFMP, Mastercard ECM).
• Comfort with BI tools (Tableau, Superset, Looker) and writing technical requirements for developers.
• Experience running A/B tests.
• Effective use of AI tools in day-to-day work.

Your Journey

Message from the recruiter  → TA  Interview  →  Tech Interview  →  Final interview  →  Job offer

Type of Cooperation

• Office in Kyiv, remote

Why appflame?

• Involvement in Ukrainian products that compete with the world's best players.
• The ability to implement your own ideas — not the feeling of a cog in the system.
• Meaningful and useful products, created not just for shareholders to earn money.
• A sense of yourself among your people who are charged with results.
• Work with the global market and a huge audience.
• Direct contact with Snapchat, Meta, Google, Apple, and access to their best practices.
• Well-established processes and no barriers to growth within the company.
• Transparent evaluation of work based on personal performance indicators.
• Powerful social package and fair compensation.

We are against all types of discrimination, bullying, and stereotypes. We provide equal employment opportunities regardless of race, skin color, religion, gender, sexual orientation, gender identity, age, marital status, health status or any other characteristics.

Requirements

• 2+ years in GTM engineering, growth automation, RevOps, or SDR ops
• Hands-on with Clay (or similar enrichment tools) and n8n / Make / Zapier
• Experience with cold-email platforms (Instantly, Smartlead, lemlist) and deliverability basics
• Comfortable with APIs, webhooks, and data wrangling; basic Python/JS is a plus
• CRM administration experience (HubSpot or similar)

• English — Upper-Intermediate (B2+)

   

Responsibilities

• Build end-to-end outbound pipelines: sourcing → enrichment → scoring → email + LinkedIn sequences
• Set up signal-based prospecting (funding, hiring, tech-stack triggers)
• Use LLMs to personalize outreach at scale
• Own deliverability, CRM data hygiene, and reporting (reply rates, meetings, pipeline)

• Experiment with copy, targeting, and channels; iterate on results

   

Nice to Have

• Selling services for an IT outsourcing agency
• LinkedIn automation (Expandi, HeyReach), web scraping (Apify)
• LLM APIs (OpenAI, Anthropic) for enrichment

We Offer

• Fully remote, flexible schedule
• Tool budget and freedom to build the GTM engine your way
• Small senior team, no bureaucracy, fast decisions
• Competitive salary based on experience

• Design a healthcare Power BI dashboard tracking patient flow and treatment outcomes for a clinic network
• Build a sales performance report with row-level security for a 50-rep B2B sales team
• Develop a financial reporting suite with semantic model and incremental refresh for a multi-entity e-commerce group
   

These and many more are the projects we do at SpreadLogics with care and quality. Our clients love the results, and we grow steadily. Join us to make clients' businesses and lives better. 

This is part-time position.
 

What you will do:

• Build interactive Power BI reports and dashboards from real business requirements
• Design and optimize semantic models with DAX
• Set up Power BI Service: workspaces, refreshes, row-level security, incremental refresh
• Connect Power BI to SQL databases, BigQuery, Excel, SharePoint, APIs, and dataflows
• Document KPI logic clearly so clients understand the numbers
• Communicate with clients to translate business questions into reports
   

Required Skills:

• Strong Power BI Desktop experience
• Strong DAX
• Power Query / M
• Semantic model design
• Power BI Service: refresh setup, troubleshooting, deployment
• Row-level security
• Performance optimization
• Experience connecting Power BI to multiple data sources
• Ability to structure reports around business questions, not just charts
• Clear KPI documentation
• English skills (B1-B2), both written & spoken
   

Bonus Skills:

• Incremental refresh setup
• BigQuery or Azure SQL experience
• Looker Studio or Tableau exposure
• Understanding of data warehousing principles
• Light scripting (Python / DAX Studio)
   

Important! You must be able to showcase 2-4 past Power BI projects - ideally your most complex semantic models or visually impressive dashboards. Be ready to walk us through DAX decisions, performance choices, and the business impact.

Hourly rate - 25-35$.

We are looking for a Junior Test Engineer to be responsible for requirements analysis, design, testing, and automation tests analysis for the software solution with a high level of quality.

Customer

Our client is a leading Swedish company in the telecommunications industry, known for delivering innovative and large-scale technological solutions. They provide products and services essential for mobile and fixed communication as well as radio and transmission networks.
 

Project

The project assumes software development of a web application based on a microservices architecture for network configuration. The developed tool is intended to help network engineers to generate scripts for the configuration of hardware that is used to support 3G, 4G, and 5G networks. The platform helps engineers all over the world to plan and design mobile network roll-out and upgrade configurations

Requirements:

• 1–2 years of experience in software testing on commercial projects
• Experience in test documentation creation
• Experience in using different test design techniques
• Experience in requirements analysis
• Experience in working with Jira
• Knowledge of Agile software development
• Understanding of client-server model
• Knowledge of HTML, XML, REST, JSON, SQL
• Analytical and problem-solving skills 
• Leveraging AI tools and agentic workflows in SDLC
• Upper - Intermediate English
   

Responsibilities:

• Requirements analysis, clarification
• Test documentation creation (checklists, test cases, test plans, guidelines, etc.)
• Functional and regression testing utilizing both automation and manual testing approaches
• Defect reporting, verification after resolving and sanity testing
• Test results and status reporting
• Understanding of project business and domain logic
• Act like an active Scrum team member, take part in estimation, refinement and planning sessions
• Closely collaborate with team members and participate in conference call with customer-side PO

Will be a plus

• Experience in test automation

• Knowledge of Python

   

Ми шукаємо Junior Test Engineer, який буде відповідати за аналіз вимог, дизайн, тестування та аналіз автоматизованих тестів для програмного рішення з високим рівнем якості.

Проєкт

Наш клієнт - це провідна шведська компанія у сфері телекомунікацій, відома своїми масштабними та інноваційними технологічними рішеннями. Вона надає продукти та послуги, необхідні для мобільного та стаціонарного зв’язку, а також для радіо- та транспортних телекомунікаційних мереж. 
 

Обовʼязки

• Аналіз та уточнення вимог
• Створення тестової документації (чеклісти, тест-кейси, тест-плани, гайдлайни тощо)
• Функціональне та регресійне тестування з використанням як автоматизованих, так і ручних підходів
• Репортинг дефектів, перевірка після виправлення та sanity-тестування
• Звітність щодо результатів тестування та статусу
• Розуміння бізнес-логіки та предметної області проєкту
• Активна участь у Scrum-команді, участь в оцінюванні, refinement та плануванні
• Тісна співпраця з членами команди та участь у конференц-колах з PO зі сторони замовника
   

Вимоги

• 1–2 роки досвіду тестування програмного забезпечення на комерційних проєктах
• Досвід створення тестової документації
• Досвід використання різних технік тест-дизайну
• Досвід аналізу вимог
• Досвід роботи з Jira
• Знання Agile-методології розробки ПЗ
• Розуміння клієнт-серверної моделі
• Знання HTML, XML, REST, JSON, SQL
• Аналітичні та проблемно-орієнтовані навички
• Використання AI-інструментів та agentic workflows у SDLC
• Англійська — Upper-Intermediate
   

Буде плюсом

• Досвід автоматизації тестування
• Знання Python
   

About ChatRevenue.ai 

ChatRevenue.ai was founded by Ratmir Timashev (founder of Veeam) and Vlad Voskresensky (founder of Revenue Grid) to create the next generation of CRM systems.  

We’re building an AI-native CRM platform that completely redefines how sales automation works.  
By structuring data for intelligent automation, we enable agentic AI to design workflows, assist Sales Leaders and Reps in real time, and generate predictable sales funnels – all through a simple, chat-driven interface.  

Our mission: to build a CRM that works for User, not the other way around. 

About the role 

We are looking for a Principal Backend Engineer with strong Python experience and a proven track record of building and owning production backend systems. 

This is a hands-on engineering role focused on: 

• Python backend 
• FastAPI 
• Data-heavy systems 
• AI / LLM product features 
• System architecture and scalability 

We are looking for someone who can take ownership of a backend domain, make technical decisions, and build reliable systems from idea to production. 

What you will do 

• Design, build, deploy, and maintain core backend services using Python and FastAPI 
• Own backend architecture, data flows, and technical decisions in your domain 
  Build and scale data-intensive systems, integrations, and pipelines 
• Work on AI / LLM-driven product features together with the engineering team 
• Improve system performance, scalability, reliability, and observability 
• Contribute to engineering practices: testing, CI/CD, security, and code quality 
• Work closely with product and engineering to deliver high-impact features 

What we are looking for 

• 7+ years of hands-on backend development experience 
• Strong commercial experience with Python in production 
• Python should be your primary backend language 
• Strong experience with FastAPI, APIs, Docker, Git, and CI/CD 
• Experience owning backend systems end-to-end: architecture, performance, data, reliability 
• Strong knowledge of PostgreSQL and data-heavy systems  
• Experience building distributed, scalable, or high-load systems 
• Good understanding of system design and performance optimization 
• Ability to work with ambiguity and take ownership without micromanagement 
• High ownership, independence, and product mindset 

Nice to have 

• Experience integrating LLMs / AI into backend systems 
• Experience with RAG, embeddings, vector databases, or AI assistants 
• Experience with Kafka, Azure Event Hub, or other event-driven systems 
• Experience with Kubernetes and cloud infrastructure, especially Azure 
• Experience building ETL / ELT pipelines 
• Experience working with structured and unstructured data 
• Production observability, tracing, monitoring, and optimization experience 

This role is likely a strong match for people who 

• Enjoy owning backend systems end-to-end, not just implementing isolated tasks 
• Feel strongest in Python as their main backend language 
• Have worked on production systems where reliability, performance, and scale matter 
• Want to have direct influence on technical decisions and architecture 
• Are comfortable working in an early-stage, high-ownership environment 

What we offer 

• Remote-first setup 
• Flexible schedule aligned with European time zones 
• A core engineering role in an AI-native product 
• Direct influence on technical decisions and architecture 
• Real ownership and visible product impact 
• Opportunity to grow into technical leadership / domain ownership 

If you have strong Python backend fundamentals, experience owning production systems, and interest in AI-native products, we’d love to talk. 

This is a fantastic opportunity to join a fast-growing company at the heart of the digital revolution. Our software product is revolutionising manufacturing through automation. We are trusted by global brands and work across sectors (mobility, consumer goods, machinery etc).

We have a talented and ambitious team. We value integrity and are passionate about our mission to revolutionise advanced manufacturing.

This is your opportunity to:

• Be part of a fast-growing software product company in advanced manufacturing.
• Learn and fulfil your potential in an open, knowledge-driven culture.
• Share in our ambitious vision and make a meaningful difference towards autonomous manufacturing.

Responsibilities: 

• Development of new features and new parts of the app.
• Work in a cross-functional Scrum team alongside Frontend and QA Engineers.
• Maintaining, improving and extending existing functionality.
• Сonstantly improving code organization and evolving application design.

You will be joining a well-versed team if you have:

• Bachelor’s Degree or Master’s Degree in Computer Science.
• Minimum of three years of experience in Node.JS development.
• Minimum of two years of experience in React.JS development.
• Experience with Sequelize, PostgreSQL, database design, microservices.
• Test automation coverage.
• Understanding of CI/CD.
• Git branching strategies.
• Scrum Agile principles and processes.
• English level - Intermediate and higher.

 Nice to have:

• AI-minded engineering mindset – ability to creatively apply AI tools and approaches to accelerate development and problem-solving.
• Experience using Cursor or AI-powered development workflows.
• Passion for continuous learning and exploring emerging technologies.

Our tech stack: microservices, Node.JS, React.JS, PostgreSQL, Kubernetes, AWS.

We work with startups and established companies to create products in healthcare, fintech, eCommerce, and AI. This role offers real variety — new domains, evolving challenges, and steady professional growth instead of being locked into a single legacy system.

If you’re motivated by fast learning and building features that go live, this might be the right place for you.
 

What You'll Do

• Design and implement scalable backend solutions and contribute to architecture decisions
• Own features end-to-end — from technical discussion to production deployment
• Work closely with the client’s team on project tasks in English
• Optimize performance and improve existing systems
• Take responsibility for production stability and code quality

What We Work With

⚡ Python, FastAPI, Django, Pydantic, PostgreSQL, uv, Ruff

Gets You Extra Points

• Confident communication skills for requirement clarification
• Familiar with SQLModel, Alembic
• Used AI coding tools (Cursor, Claude Code) in daily workflow
• Practical experience working with AI/LLM integrations in real projects
• Experience working on production-ready applications
• Experience with full-stack development using React

What You Bring

• 1+ years of commercial backend development experience
• Strong knowledge of Python
• Solid understanding of REST APIs
• Experience working with SQL databases
• Ability to work independently and take ownership
• English: Upper-Intermediate (B2+) or higher — confident spoken and written communication with clients

What You Get

Work & Growth:

• Fully remote, flexible hours
• Structured code reviews
• Senior engineers who help you level up
• English practice sessions

Compensation:

• Salary in USD
• Performance reviews twice a year
• 15 days paid vacation + sick leave

AppsFlyer is known for its massive backend production.
At any given moment thousands of servers are consuming 150+ billion mobile app events, crunching our users’ data, serving requests and communicating on a massive scale.

To maintain the universe we call AppsFlyer, we practice modern production operations with a complete self-serve CI/CD platform, a highly integrated observability stack for our micro-services, backends, and infrastructure, a culture of ownership and eagerness for quality.

The Analytics group is responsible for showing our clients the stories their data is telling. Through complex aggregation, mission tailored analytical databases and carefully crafted APIs we are able to provide slice and dice analysis in our beautiful dashboards and through the use of external integrations.
Our group mixes disciplines from back-end, data, AI and front-end engineers and we’re looking for great Data-Oriented Backend Engineer developers that are passionate about what they do, who want to dive into the worlds of big data, microservices and production management at our scale, to help us reach our vision and goal: to be the best analytics suite in our business market.

What you’ll do

• Develop end-to-end, both client-facing and data infrastructure features, from data processing to database choice and modeling implementation
• Collaborate with product managers and software engineers to deliver complex products.
• Analyze and improve performance, scalability and stability of our systems, environments and tools.
• If you’re up to the challenge — Speak at meetups, write blog posts, speak at conferences, contribute to existing open source projects and release new open source software.

What you have

• 3+ years of development experience with a passion for excellence
• Experience in data engineering with a focus on Apache and Scala-Spark / py-spark)
• Experience with high throughput, low latency, mission-critical distributed systems
• Great communication skills in English
• B.Sc. in Computer Sciences or an equivalent.

Bonus Points

• Experience with large-scale production databases
• Experience with Airflow
• Strong server-side skills.
• Experience production grade BigQuery ETL and DBs.
• Experience with production grade GO BE services.
• Experience with production grade Clojure BE services.
• An “AI mindset”: stays up to date with the AI landscape, explores tools like Cursor or GitHub Copilot, and looks for ways to boost productivity through AI
• Recommended by an AppsFlyer employee

Benefits Package includes:

• Health Insurance
• Paid Unlimited Vacation Days + all national holidays + additional recharge days
• Meals Reimbursement
• Sport Reimbursement
• Breakfast in the office
• Mental health program
• Team building, happy hours, and other team activities
• Paid sick days
• Snacks, fruits & ice cold beer
• All new team members are provided with a brand-new Mac laptop with 2 monitors and a Starter package

As a global company operating from 25 offices across 19 countries, we reflect the human mosaic of the diverse and multicultural world in which we live. We ensure equal opportunities for all of our employees and promote the recruitment of diverse talents to our global teams without consideration of race, gender, culture, or sexual orientation. We value and encourage curiosity, diversity, and innovation from all our employees, customers, and partners.

“As a Customer Obsessed company, we must first be Employee Obsessed. We need to make sure that we provide the team with the tools and resources they need to go All-In.” Oren Kaniel, CEO

Many significant top-tier customers and partners consume their AppsFlyer’s data via various interfaces on a considerable scale. One of these interfaces is our Data Warehouse, which stores colossal amounts of data produced by all our product teams. On top of that, we develop the business service layer that serves our customers. Being in the front on such a scale requires being at the top of everything the team does — from complicated business logic through interesting technical challenges that have a massive impact on the performance and cost of our data pipelines to the immediate feedback we receive from our clients when a new feature or improvement is released.

The team constantly collaborates with the Platform and Business to provide the most efficient solution for our data exposure. The collaboration includes a deep understanding of our technology, coping with the rising scale, having POCs for a never-ending effort to find the next best technology available to benefit our customers and us, and more.

Some of the technologies we currently use:

• Java
• Clojure
• GCP & AWS hosted solutions
• K8s
• Kafka
• DataDog

What you’ll do:

• Be a part of the team that owns and evolves AppsFlyer’s Data Warehouse
• Own and develop AppsFlyer products and features end-to-end — from design to production
• Work with petabytes of data flowing through AppsFlyer pipelines
• Solve diverse, complex problems at scale, with low clarity of the solution approach
• Collaborate with Product Managers and Software Engineers to deliver value to customers
• Analyze and improve the performance, scalability, and stability of AppsFlyer’s products, environments, and tools
• Continuously learn and evaluate new technologies in the everlasting effort to perfect our products and adapt to the ever-growing scale

What you have:

• 3+ years of development experience with a passion for excellence
• Experience in JVM languages
• Hands-on background with production systems
• Experience in building APIs for server-client applications
• Strong SQL knowledge
• Ability to grasp new languages, systems, and frameworks fast
• A team player with the drive to get things done and lead others along the way
• Good communication skills, spoken and written English

Bonus points:

• Experience in Clojure
• Exposure to large-scale distributed databases or enterprise data warehouses (BigQuery, Snowflake, etc.)
• Software system design experience
• Experience in building ETLs using Spark Scala
• Familiarity with the Google Cloud Platform
• B.Sc. in computer science or equivalent
• Recommended by an AppsFlyer employee

Benefits Package includes:

• Health Insurance
• Paid Unlimited Vacation Days + all national holidays + additional recharge days
• Meals Reimbursement
• Sport Reimbursement
• Breakfast in the office
• Mental health program
• Team building, happy hours, and other team activities
• Paid sick days
• Snacks, fruits & ice cold beer
• All new team members are provided with a brand-new Mac laptop with 2 monitors and a Starter package

As a global company operating from 25 offices across 19 countries, we reflect the human mosaic of the diverse and multicultural world in which we live. We ensure equal opportunities for all of our employees and promote the recruitment of diverse talents to our global teams without consideration of race, gender, culture, or sexual orientation. We value and encourage curiosity, diversity, and innovation from all our employees, customers, and partners.

“As a Customer Obsessed company, we must first be Employee Obsessed. We need to make sure that we provide the team with the tools and resources they need to go All-In.” Oren Kaniel, CEO

This is a fantastic opportunity to join a fast-growing company at the heart of the digital revolution. Our software product is revolutionising manufacturing through automation. We are trusted by global brands and work across sectors (mobility, consumer goods, machinery etc).

We have a talented and ambitious team. We value integrity and are passionate about our mission to revolutionise advanced manufacturing.

This is your opportunity to:

• Be part of an AI product company in advanced manufacturing.
• Be part of a research focused team.

Responsibilities: 

• Research, test and develop generative AI based solutions.
• Collaborate with mechanical engineers to enhance your research.
• Design and implement end-to-end AI solutions that integrate with existing systems.
• Collaborate with software engineers and product teams to understand business needs and translate them into technical solutions. 
• Research emerging AI trends and techniques to continually improve the AI solution offerings. 
• Prepare and maintain documentation on design, code, and processes to ensure organizational knowledge retention. 
• Monitor and evaluate the performance of AI systems in production, identifying areas for improvement or further development.

You will be joining a well-versed team if you have:

• Bachelor’s or Master’s degree in Computer Science, Engineering, Mathematics, or a related field. 
• Proven experience in developing generative AI or machine learning models.
• Commercial experience in using large language models.
• Programming skills in languages such as Python or JavaScript.
• Familiarity with databases (SQL, NoSQL). 
• Solid understanding of deep learning, NLP, computer vision, or other specialized areas within AI is a plus. 
• Excellent problem-solving skills and the ability to work in a fast-paced, collaborative environment.
• Good communication skills and the ability to translate complex technical concepts to non-technical stakeholders. 
• Commitment to continuous learning and development in the field of AI and emerging technologies.

AppsFlyer builds technology at massive scale, powering measurement, analytics, and fraud prevention across billions of mobile events every day.

Join AppsFlyer’s Security SDK Team, responsible for protecting the integrity and authenticity of our mobile SDKs across Android and iOS. The team works on securing SDK communication, improving SDK resilience, and building trusted solutions that run on billions of devices worldwide.

This is a great opportunity for engineers who are passionate about mobile development and interested in security, low-level systems, and reverse engineering.

We work with Android and iOS platforms, native components (C/C++), and cloud-based infrastructure, while encouraging continuous learning, technical growth, and hands-on research.

What you’ll do

• Develop AppsFlyer SDK features end-to-end — from design to production.
• Build and improve protection mechanisms for Android SDKs (primary focus) and iOS SDKs.
• Help improve SDK resilience against tampering and abuse.
• Collaborate with Product Managers and Engineers across mobile and backend teams.
• Participate in research, debugging, and investigation of mobile security challenges.
• Learn and work with low-level mobile technologies, native code, and reverse engineering tools.
• Work in an Agile environment with engineers across mobile, backend, and product.

What you have (Must)

• B.Sc. in Computer Science or equivalent experience.
• 1–2 years of software development experience, preferably in Android development.
• Experience developing mobile applications or SDKs.
• Good understanding of Android fundamentals and application architecture.
• Strong debugging and problem-solving skills.
• Curiosity and motivation to learn security and low-level technologies.
• Very good English communication skills.
• Strong ownership mindset and willingness to learn and grow.

Bonus Points

• Experience with Kotlin, Java, or Android SDK development.
• Familiarity with C/C++ or mobile native development.
• Interest in mobile security, reverse engineering, or runtime internals.
• Familiarity with tools such as Frida, Ghidra, or IDA.
• Experience with Gradle, CMake, or CI/CD systems.
• Familiarity with AWS or backend services.
• Exposure to LLVM/Clang or build toolchains.

Benefits Package includes:

• Health Insurance
• Paid Unlimited Vacation Days + all national holidays + additional recharge days
• Meals Reimbursement
• Sport Reimbursement
• Breakfast in the office
• Mental health program
• Team building, happy hours, and other team activities
• Paid sick days
• Snacks, fruits & ice cold beer
• All new team members are provided with a brand-new Mac laptop with 2 monitors and a Starter package

As a global company operating from 25 offices across 19 countries, we reflect the human mosaic of the diverse and multicultural world in which we live. We ensure equal opportunities for all of our employees and promote the recruitment of diverse talents to our global teams without consideration of race, gender, culture, or sexual orientation. We value and encourage curiosity, diversity, and innovation from all our employees, customers, and partners.

“As a Customer Obsessed company, we must first be Employee Obsessed. We need to make sure that we provide the team with the tools and resources they need to go All-In.” Oren Kaniel, CEO

The ROI360 organization’s goal is to help user acquisition managers and monetization managers optimize the business performance of their mobile marketing campaigns. We help our customers understand the real value (value for money) of their mobile marketing efforts.

To achieve this goal, we build a distributed SaaS platform to collect, normalize, index, and serve cost and revenue data from 100+ marketing platforms such as Facebook, Google, Ironsource, and more — at scale.

What you’ll do:

• Develop and enhance our data collection platform.
• Solve diverse, complex problems at a large scale.
• Collaborate with Product Managers and Software Engineers to deliver value to customers.
• Analyze and improve the performance, scalability, and stability of AppsFlyer’s products, environments, and tools.
• Continuously learn and evaluate new technologies in the effort to perfect our products and adapt to the ever-growing scale.
• Take an active part in our on-call cycle and monitor the system.

What you have:

• 3+ years of backend engineering experience with a passion for excellence.
• Solid knowledge in: Kafka, SQS, K8S, Postgres, and event-driven systems.
• Experience with large-scale SaaS production services and databases.
• Experience with cloud platforms (e.g. AWS, GCP).
• Proficiency and ability to code well in at least one language (Java / Go / Clojure / etc.).
• Proficiency with database technologies such as SQL / Athena / BigQuery.
• A team player with a strong sense of ownership.
• Ability to grasp new languages, systems, and frameworks quickly.
• A drive to get things done, especially as part of a team.
• Ability to dive in quickly to complex systems.
• B.Sc. in Computer Science or an equivalent.

Bonus points:

• Experience in functional programming.
• Hands-on experience with Clojure.

Benefits Package includes:

• Health Insurance
• Paid Unlimited Vacation Days + all national holidays + additional recharge days
• Meals Reimbursement
• Sport Reimbursement
• Breakfast in the office
• Mental health program
• Team building, happy hours, and other team activities
• Paid sick days
• Snacks, fruits & ice cold beer
• All new team members are provided with a brand-new Mac laptop with 2 monitors and a Starter package

Our Culture

As a global company operating from 25 offices across 19 countries, we reflect the human mosaic of the diverse and multicultural world in which we live. We ensure equal opportunities for all employees and promote the recruitment of diverse talents to our global teams without consideration of race, gender, culture, or sexual orientation. We value and encourage curiosity, diversity, and innovation from all of our employees, customers, and partners.

“As a Customer Obsessed company, we must first be Employee Obsessed. We need to make sure that we provide the team with the tools and resources they need to go All-In.”
— Oren Kaniel, CEO