Jobs at Djinni

We at Sigma Software are looking for a Senior Java Engineer to join an exciting project in the domain of audience segmentation and engagement. This is a remote role open to candidates from Ukraine and Europe, offering the opportunity to work with cutting-edge technologies and high-scale systems.

You will be part of a team building a real-time platform that powers communications, personalization, automation, and customer engagement across diverse ecosystems. At Sigma Software, we value innovation, collaboration, and technical excellence.

Why join us? You’ll work on challenging tasks, contribute to architectural decisions, and have the freedom to experiment with new technologies while improving data systems at scale.

Customer

Our customer is a leading EdTech company that uses AI and data-driven technologies to personalize learning experiences, optimize user engagement, and improve marketing effectiveness through advanced audience targeting and analytics.

Project

The project is a real-time platform that enables product teams and business stakeholders to define and manage dynamic user groups based on user attributes, relationships, behavioral events, and historical activity.

Requirements

• At least 5 years of commercial software engineering experience
• Strong Java expertise
• Solid understanding of streaming architectures and stateful stream processing using technologies such as Apache Beam, Apache Flink, Kafka Streams, or Spark Structured Streaming
• Strong experience designing and building rule engines, expression evaluators, query engines, or policy/targeting systems
• Hands-on experience with incremental computation and materialized view maintenance
• Experience designing event-driven distributed systems with a strong focus on scalability and reliability
• Strong knowledge of data consistency concepts, including point-in-time snapshots, exactly-once processing, idempotency, bounded staleness, and eventual consistency
• Experience building dependency graphs, composition engines, or DAG-based processing pipelines
• Practical experience with distributed data stores and low-latency data modeling
• Strong knowledge of Java and Google Cloud Platform, including Pub/Sub and Apache Beam
• Experience building correctness-critical systems with a strong focus on testing, validation, and fault tolerance
• Solid understanding of versioning, rollback strategies, anomaly detection, and production safety practices

• Upper-Intermediate English level

   

Will be a plus 

• Experience with AdTech, MarTech, CRM segmentation, audience-building, or campaign targeting platforms
• Experience with query optimization, indexing strategies, and database internals
• Knowledge of graph processing, relationship traversal, or projection-based systems
• Experience with multi-tenant architectures, workload isolation, and cost optimization
• Understanding of GDPR-compliant data deletion and privacy propagation
• Experience working in regulated domains such as Education (K-12), Healthcare, or FinTech
• Experience with Google Cloud Spanner or similar globally distributed databases
• Familiarity with geospatial indexing and location-based querying

Personal Profile

• Proactive and detail-oriented
• Thrives in collaborative environments
• Enjoys solving complex integration challenges
• Comfortable experimenting with new technologies
• Committed to improving data systems

Responsibilities

• Design and implement core components of the audience segmentation platform
• Develop and evolve a flexible segment definition language supporting complex targeting scenarios
• Build scalable evaluation engines for processing large-scale entity and relationship data
• Implement relationship-based audience resolution across multiple entity types
• Optimize incremental recomputation for continuous data changes
• Create event-driven pipelines for real-time segment accuracy
• Ensure governance, auditability, and lifecycle traceability of segments
• Design low-latency resolution services for high-scale operations
• Develop caching strategies for dynamic segments and snapshots
• Optimize system performance, scalability, and operational efficiency
• Collaborate with product and engineering teams to define platform capabilities and architecture
• Provide technical leadership and contribute to architectural decisions

We're looking for a 3D Environment Artist to join our team and create environment assets for our mobile open-world game — locations and territories that shape the game world.

You'll work closely with the lead artist and technical artists, producing optimized assets with clean topology and strong performance on mobile devices.
 

What You'll Do

• Create game-ready 3D environment assets: territory objects 
• Model both hard-surface and organic objects (architecture, landscape elements, decor)
• Texture assets using a PBR workflow for Unity
• Assemble and dress scenes/locations from finished assets (level dressing)
• Optimize assets for mobile platforms (LOD, topology, UVs, texture size)
• Work with modular systems (modular building kits, kit-bashing)
   

What We Expect

• Confident skills in a 3D package
• Understanding of hard-surface modeling and architectural forms
• Knowledge of PBR texturing and baking
• Experience optimizing assets for mobile platforms
• Understanding of modular approaches to environment building
• Attention to detail and ability to work independently
• Understanding of game production pipelines
   

Nice to Have

• Experience texturing environments
• Experience building open game worlds or large-scale locations
• Interest in procedural environment generation tools
• Experience with vegetation/landscape systems

About Traffic Label
Traffic Label is a fast-growing, data-driven technology company operating in the iGaming and affiliate marketing space, building scalable products focused on performance, analytics, and automation across global markets.
Driven by technology and innovation, we develop products that connect brands with customers through data-led acquisition, engagement and retention strategies. As we continue to grow, we're looking for talented professionals who enjoy building teams, improving processes and delivering measurable commercial success.

Role Overview
We're looking for an ambitious and results-oriented Head of Outbound Sales to build and lead our outbound sales function.
This is a rare opportunity to establish a new commercial team from the ground up, creating scalable sales processes, recruiting top talent and driving customer acquisition through proactive outbound engagement.
You will lead a team responsible for contacting registered users who have not yet deposited, re-engaging inactive customers, and reaching out to qualified outbound sales opportunities. Alongside leading the team, you'll remain actively involved in sales calls, helping refine messaging, improve conversion rates and coach your team through practical leadership.
We're open to candidates from both iGaming and other B2C sales industries. If you've successfully built high-performing outbound sales teams and consistently delivered exceptional commercial results, we'd love to hear from you.

Key Responsibilities

• Build, recruit and lead a high-performing outbound sales team.
• Develop and execute outbound sales strategies that drive customer acquisition and revenue growth.
• Create scalable sales processes, call methodologies and performance standards.
• Design and continuously optimise sales scripts and customer engagement strategies.
• Personally conduct outbound sales calls while leading the team by example.
• Convert registered users into active depositing customers.
• Re-engage inactive customers through targeted outbound campaigns.
• Generate new business by contacting qualified sales leads.
• Monitor, analyse and improve team performance through data-driven decision making.
• Track and optimise KPIs including:
  • First Time Deposit (FTD) Conversion
  • Deposit Conversion Rate
  • Contact Rate
  • Revenue Generated
  • Reactivation Rate
  • Customer Satisfaction
• Deliver regular coaching sessions and performance reviews.
• Work closely with CRM, Marketing, VIP and Operations teams to maximise campaign effectiveness.
• Prepare regular commercial reports and strategic recommendations for senior leadership.
• Ensure all customer interactions comply with company policies and applicable regulatory requirements.
• Create a high-performance sales culture built on accountability, collaboration and continuous improvement.

Skills & Experience

Essential

• Proven experience managing outbound sales, telesales or call centre operations.
• Demonstrated success building and developing high-performing sales teams.
• Strong commercial mindset with a track record of driving revenue growth and improving conversion.
• Hands-on sales experience with the confidence to lead customer conversations.
• Excellent leadership, coaching and people management skills.
• Strong analytical skills and experience working with sales KPIs and reporting.
• Outstanding communication and negotiation skills.
• Fluent written and spoken English.
• Ability to thrive in a fast-paced, target-driven environment.

Nice to Have

• Experience within iGaming, online casino, sportsbook or another B2C industry.
• Experience with CRM platforms and customer lifecycle management.
• Knowledge of outbound dialler systems and workforce management tools.
• Experience working with customer segmentation and retention campaigns.
• Additional European languages.

What We Offer

• Performance-based bonus.
• Fully remote position with the flexibility to work from anywhere in Europe.
• The opportunity to build and lead a brand-new outbound sales function.
• A high level of ownership and autonomy with direct influence on business growth.
• Career progression within a rapidly growing international technology company.
• A collaborative, ambitious and supportive team environment.
• The opportunity to make a real impact while helping shape the future of our commercial organisation.

About Traffic Label

Traffic Label is a fast-growing, data-driven technology company operating in the iGaming and affiliate marketing space, building scalable products focused on performance, analytics, and automation across global markets.

Our teams use data to drive business decisions across marketing, product, CRM, player engagement, and commercial operations. As we continue to grow, we're looking for a BI Analyst to help transform complex data into actionable insights that support strategic decision-making across the business.

Role Overview

This is an analytics-first role with approximately 80% of your time focused on analytics and business intelligence, and 20% dedicated to data engineering and automation.

We're looking for an analytics-focused professional with strong data engineering skills. While you'll need solid engineering knowledge to build and maintain reliable data pipelines, your primary focus will be on delivering insights, dashboards, and business reporting rather than developing large-scale BI infrastructure.

Reporting directly to the Chief Technology Officer (CTO), you'll work closely with Product, Commercial, CRM, Marketing, and Operations teams to provide accurate, reliable, and actionable data that drives business growth.

Location: Prague, Czech Republic (office-based)

Key Responsibilities

• Analyse business, product, commercial, and player data to identify trends, opportunities, and risks.
• Design, build, and maintain dashboards and self-service reporting using Metabase, Omni, or similar BI platforms.
• Develop meaningful KPIs and business metrics for stakeholders across the company.
• Build and maintain reliable ELT pipelines and data models.
• Integrate data from APIs, PostgreSQL databases, AWS services, and other data sources.
• Write efficient SQL queries against PostgreSQL and Amazon Redshift.
• Use Python to automate data ingestion, reporting, and business processes.
• Monitor data quality and implement automated validation and alerting.
• Optimise SQL queries and data warehouse performance.
• Work closely with cross-functional teams to understand reporting requirements and translate business needs into scalable analytics solutions.
• Support analytics related to player behaviour, CRM performance, commercial reporting, fraud detection, and financial reporting.

Skills & Experience

• 2+ years of experience in Analytics Engineering, BI Engineering, Data Analytics, or Data Engineering.
• Strong analytical mindset with the ability to translate data into business recommendations.
• Advanced SQL skills, particularly with PostgreSQL and Amazon Redshift.
• Experience building data models and ELT pipelines.
• Proficiency in Python for data ingestion, automation, and API integrations.
• Experience working with AWS, especially Redshift and S3.
• Experience integrating data from APIs, databases, and flat files.
• Experience building dashboards and self-service reporting using Metabase, Omni, or similar BI platforms.
• Strong understanding of data quality, monitoring, and automated alerting.
• Experience working with product, commercial, CRM, or player analytics.
• Experience in iGaming, online casino, crypto, fintech, or another high-volume transactional industry is highly desirable.
• Experience with Azure Application Insights, New Relic, or similar telemetry tools is an advantage.
• Understanding of player analytics, fraud detection, CRM, and financial reporting is a plus.
• Czech language is a nice-to-have.
• Excellent English communication skills.

What We Offer

• Opportunity to work directly with the CTO and influence business decisions through data.
• A modern, data-driven environment where analytics is at the centre of decision-making.
• Exposure to large-scale datasets across iGaming, affiliate marketing, and digital products.
• The opportunity to build reporting, analytics, and automation from the ground up.
• A collaborative international team with plenty of autonomy and ownership.
• Office-based role in our Prague office.
• Opportunities for professional growth in a fast-growing international business.

About the role:

As a Senior Data Engineer, become a part of a cross-functional development team engineering experiences of tomorrow.

Design, build, and optimize enterprise data pipelines and lakehouse solutions aligned to client’s data architecture, governance standards, and cloud-first strategy. Partner with cross-functional teams to deliver secure, scalable, and high-quality data solutions that enable analytics, reporting, and AI-driven capabilities.

Responsibilities:

• Design, develop, and maintain scalable ETL/ELT pipelines across enterprise systems including ERP, CRM, and operational platforms 
• Build and support client’s cloud-based data lakehouse architecture (aligned to medallion layers and governance standards) 
• Develop and maintain data models, semantic layers, and curated datasets for analytics and business intelligence 
• Translate business requirements into technical data solutions in collaboration with product, engineering, and business stakeholders 
• Ensure data quality, integrity, and security in alignment with client;s data governance and compliance standards 
• Optimize SQL queries, data pipelines, and storage performance across AWS and Azure platforms 
• Support data integration initiatives including Data Lake, D365 ERP, and CRM/AMS platforms 
• Monitor pipeline health, troubleshoot issues, and ensure high availability and reliability of data systems 
• Contribute to continuous improvement of data architecture, standards, and best practices 

• Support AI and analytics initiatives by enabling high-quality, accessible data for downstream consumption 

   

Technical Requirements (Must Have):

• Bachelor’s degree in Computer Science, Information Systems, or related field 
• 4+ years of experience in data engineering or data platform development 
• Strong experience designing and building ETL/ELT pipelines in cloud environments 
• Hands-on experience with AWS (S3, Redshift, Glue, DMS) and Azure (Data Factory, SSIS) 
• Strong proficiency in SQL and relational database design 
• Solid understanding of data warehousing, data lakes, and lakehouse architecture 

• Experience with structured, semi-structured, and unstructured data processing 

   

Non-Technical Requirements (Nice to Have):

• Ability to establish positive working relationships with multiple disciplines of Information technology department & staff levels
• Demonstrated ability to collaborate and receive feedback regarding ongoing projects
• Demonstrated ability to respond to business issues with the appropriate sense of urgency
• Sense of when to escalate a problem or ask for assistance
• Organized, self-starter with outstanding written and verbal communication skills
• Problem solving skills and strong attention to details
• Ability to identify and document business/system requirements
• Ability to work in a high energy, team focused environment
• Ability to work and deliver against aggressive timelines to meet the project schedules

• Ability to work productively from home (including access to a reliable internet connection) is required

   

Location and Hiring Model

• Locations ONLY: Bulgaria
• Hiring Model: Direct Hire ONLY (B2B)

For 16 years, Alty has reached the top lists of mobile and desktop application developers for fintech, crypto, retail, banking, and tourism. Our professional expertise in UI/UX design, mobile, and web development of high-load applications used by millions of users worldwide. You know us for sure if you use Monobank, Privat24, ZakazUA, EasyPay, Kashable, or Sfera Living System. Our clients are large businesses and corporations that recommend us to partners. We put the customer at the heart of all we do and achieve our best together. Join us!

Now we are looking for a Product Owner/Business Analyst to join our team.

Requirements:

— Solid experience (at least 3+ years) with business requirements analysis in IT.

— Experience working with complex systems involving numerous integrations with internal and external services.

— Confident knowledge of business analysis diagrams and modeling techniques (e.g., BPMN, UML, ERD, Use Case, Sequence, Activity, Context, Role/Responsibility, Dependency, Flowchart, State and Data Flow).
— Understanding of UX principles and patterns.

— Backlog and release management.

— Deep knowledge of business metrics and analytics, including documentation creation for implementation.

— Skills of reading and documenting intersystem integration (web-services, REST, XML/JSON).

— Practical knowledge of Artificial Intelligence (AI) tools and technologies

— Reading and creating business documentation (SRS, BRD per feature, data mappings etc).

Skills:

— Ability to transform business requirements into consistent requirements specifications for development and design teams.
— Ability to create and maintain analytics events taxonomy.

— Strong analytical skills to make a critical assessment of the information from numerous sources.

— Systems thinking and functional decomposition skills.

— Ability to effectively leverage AI in daily work to optimize processes, improve productivity, enhance decision-making, and drive continuous improvements.

— Ability to manage several interrelated streams of the project.

— Experience in creating and thinking through a user story.

— Solid understanding of principles and specifics of the SDLC.

— Understanding of the client-server architecture.

— Native-level proficiency in Ukrainian.

It will be a plus if you have:

— Skills in using modern business analysis tools (Visio, Business Studio, Axure, Sigma, Balsamiq).

— Ability to make architecture-related decisions.

— Proven record of the launch of several successful products.

Responsibilities:

— Transforming business requirements into consistent requirements specifications for the teams.

— Requirements gathering and prioritization with the Product Manager.

— Developing user/business flows.

— Business Features and Project specifications writing.

— Participating in building road maps and release planning.
— Working on analytics with DA and Product Manager.

— Planning, refinement facilitation.

— Aligning scope plans with other teams, dealing with dependencies.

— Documenting data flow diagrams, preparing entity descriptions.

— Design review for compliance with business requirements.
— Explanation of requirements for the frontend team or client team regarding the creation of functionalities.
— Performing requirements management, prioritization, traceability, verification, and validation of the requirements.

What we offer for you to succeed:
— Warm and friendly working environment with flexible start (from 8:00 to 11:00) based on personal preferences and team meetings.
— We put a healthy work-life balance first.
— Caring for physical and mental health — compensation of a psychologist and sports to choose from.
— Speaking Club and English with a teacher.
— Volunteer projects that help the state get closer to victory.
— Ability to work from our office in Kyiv or fully remote.
— A space to grow both professionally and personally. A wide variety of exciting projects, the best hardware for your work, regular performance reviews, educational workshops, and team coaching.
— No tiresome bureaucracy. If you need something — just ask and get it.

Our employees describe working here as a welcoming, collaborative, and impactful experience. If you are a creative and energetic person, we cannot wait to see you on board!

The Beta Team is responsible for leading and developing a diverse and knowledgeable beta community to test and provide quality feedback on products, features, and back-end functionality. The beta community includes thousands of strong and passionate volunteers from all over the world and we are working with them on a daily basis to improve our products.

Requirements:

● Upper-Intermediate/Advanced level of English

● 1+ year in L2 Technical Support or 1+ year in manual QA

● Familiarity with bug tracking systems and test management tools

● Task oriented — able to deliver quickly on tight schedules and deadlines, and must be able to adapt to frequent changes in requirements

As a plus:

● Experience in software QA methodologies and practices with emphasis on the Mobile world (Android and iOS)

● Experience utilizing log files to debug and analyze issues

● Experience in operating test tools and conducting analysis of test data

● Good understanding of Client-Server architecture

We offer:

● Great international team of professionals (Kyiv/Warsaw, Tel Aviv, New York);

● Compensation package (20 paid vacation days, paid sick leaves);

● Work with cutting edge technologies;

● Medical Insurance;

● English courses with a native speaker, paid tech training and other activities for professional growth;

● Hybrid work mode (∼3 days in the office);

● International business trips;

● Comfortable office (Warsaw)

Responsibilities:

● Monitoring and debugging Beta community bug reports, suggestions and forum posts

● Releasing Beta-staged versions to the community

● Identifying important and critical issues to track and report about to internal teams

Let me know please if the position is suitable and interesting for you.

About the Role

This is a senior, highly specialized individual contributor role for a Creative Technical Artist with strong game design intuition and the ability to build, polish, and tune gameplay using lightweight, game-focused coding (“vibe coding”). The role focuses on building, iterating, and polishing interactive HTML5 playable ads, where visuals, mechanics, and overall game feel must come together quickly and at a high quality bar. The successful candidate will operate as a one-person function, supporting key processes and working closely with the team.

Responsibilities

• Create, adapt, and polish optimized 2D and 3D assets for playable ads
• Work in Blender to edit and optimize models, adjust materials, lighting, scale, and pivots
• Export game-ready assets (GLB, textures)
• Ensure visual clarity, consistency, and performance on mobile devices
• Write and modify JavaScript / TypeScript to control gameplay behavior, tune timing, feedback, and interaction flow
• Connect visuals to interaction logic
• Read and safely modify existing game codebases
• Use code as a creative tool to shape game feel

• Leverage AI coding tools to accelerate iteration while maintaining full understanding and control

   

Requirements

• 3+ years of professional experience as a game artist, technical artist, or interactive artist
• 2+ years of hands-on experience with Blender creating game-ready 3D assets
• Proven experience producing real-time 2D and/or 3D assets for games or interactive applications
• Strong understanding of game mechanics, player feedback, and interaction flow
• 2+ years of hands-on experience working with a game engine such as Unity or Unreal Engine
• Experience implementing or supporting gameplay mechanics within a game engine environment

• Experience integrating art assets into game engines and resolving technical issues

   

About the Company

A leading interactive media company specializing in engaging and high-quality playable advertisements.

About the Role

The company is seeking a highly creative and experienced Creative Producer specializing in Playable Ads to join its dynamic team. This role is pivotal in driving user acquisition and engagement through innovative and high-performing playable ad experiences. The ideal candidate will have a strong background in mobile game development, a deep understanding of playable ad mechanics, and a proven track record of delivering successful creative campaigns. This is a remote position, offering the flexibility to work from anywhere.

Responsibilities

• Lead the end-to-end production of playable ads, from concept to execution, ensuring high quality and performance.
• Collaborate with marketing, design, and development teams to brainstorm and develop innovative playable ad concepts.
• Manage external vendors and agencies, overseeing the production process and ensuring timely delivery.
• Conduct A/B testing and analyze performance data to optimize playable ads for maximum impact and ROI.
• Stay up-to-date with industry trends, best practices, and emerging technologies in playable ads and mobile gaming.
• Develop and maintain a library of playable ad assets and templates.
• Provide creative direction and feedback to designers and developers to ensure alignment with brand guidelines and marketing objectives.

• Present playable ad strategies and performance reports to stakeholders.

   

Requirements

• 3+ years of experience in creative production, with a focus on playable ads in the mobile gaming industry.
• Proven track record of developing and launching successful playable ad campaigns that drive user acquisition and engagement.
• Strong understanding of mobile game mechanics, user experience (UX), and monetization strategies.
• Proficiency in project management tools and methodologies.
• Excellent communication, interpersonal, and presentation skills.
• Ability to work independently and collaboratively in a fast-paced, remote environment.
• Experience with A/B testing and data-driven creative optimization.

• Familiarity with creative tools such as Figma, Adobe Creative Suite, Unity, HTML5, and JavaScript is a plus.

   

About the Company

The company is a leading mobile gaming company dedicated to creating engaging and immersive experiences for players worldwide. With a portfolio of top-charting games, the company is committed to innovation, creativity, and pushing the boundaries of mobile entertainment. The company fosters a collaborative and dynamic work environment, offering opportunities for growth and professional development.

PayDo, a leading Electronic Money Institution (EMI) authorised by the FCA in the UK, FINTRAC in Canada, and MFSA in Malta, operates in 140+ countries and over 25 industries. Offering multicurrency IBANs, merchant solutions, mass payment options, acquiring, open banking, PayDo provides premium and convenient payment services. With all features available through one platform and contract, PayDo is a preferred solution for modern online businesses.

We are looking for a Onboarding Specialist to join our Onboarding team in a fast-growing fintech environment.

You will be responsible for conducting business verification (KYB), assessing client risk, and ensuring compliance with internal policies and regulatory requirements.

The role involves working with a wide range of industries, including digital industries, iGaming, and crypto, requiring strong analytical thinking.

Requirements

• 1.5+ years of experience in KYB / Business Verification / CDD/ Acquiring
• Experience in fintech, EMI, PSP, banking, or similar 
• Strong understanding of:
  • Corporate structures (UBOs, shareholders, directors)
  • Risk-based approach (not checklist-based verification)
  • AML / CTF fundamentals
• Experience working with screening tools (e.g. SumSub, ComplyAdvantage or similar)
• Ability to analyze websites and identify inconsistencies or red flags
• Experience working with high-risk industries is a strong advantage
• Good level of English (B2+)

• Ability to work with high volumes while maintaining quality

   

Responsibilities

• Perform KYB verification of business clients (documents, structure, activity)
• Conduct risk assessment 
• Analyze client websites, business models, and transaction logic
• Identify red flags and inconsistencies in client information
• Request and review additional documentation where needed
• Make approval / rejection / escalation decisions with clear justification
• Work closely with Sales, KAM, Compliance, and Transaction Monitoring teams
• Contribute to process improvements and onboarding optimization

• Maintain accurate records in internal systems (Jira, CRM, verification tools)

   

Nice to have

• Experience with crypto / VASP clients
• Experience with acquiring / merchant onboarding
• Understanding of iGaming / digital goods / high-risk industries
• Experience with regulatory frameworks (FCA, EU AML directives, MiCA awareness)
• Experience in process optimization or tools integration support

What we offer:

• Annual Learning & Development Budget – invest in your growth with dedicated funds for courses, training, and certifications.
• Transparent career growth – with opportunities to achieve Lead roles within 1 year, Head roles in 2 years, and even C-level within 4 years, based on exceptional performance.

• Clear bonus structure.

   

Become part of a global team redefining FinTech. Your expertise, passion and ideas will shape the future of payments with PayDo!

Responsibilities:

• Own and support core ML infrastructure (MLflow, CVAT, GPU/CPU cloud instances, internal data tools).
• Assist Data Engineers with deploying and maintaining data pipelines.
• Act as the primary contact for ML and Data teams on infra-related requests.
• Improve reliability and efficiency by adding automation, monitoring, and tooling enhancements.
   

Must have:

• Knowledge of Python, Terraform, Docker, Linux.
• Hands-on experience with cloud environments (Azure prefered).
• Understanding of the end-to-end ML lifecycle (data → training → evaluation → deployment → monitoring).

Nice to have:

• Familiarity with Kubernetes.
• Experience with FFmpeg or GStreamer for video processing and streaming.
• Experience with model serving frameworks and inference formats (ONNX, TensorRT, OpenVINO, NVIDIA Triton).
• Experience deploying computer vision models, especially to edge/embedded devices (NVIDIA Jetson, Intel platforms, Raspberry Pi).

• Надаємо бронювання від мобілізації

About the role:
We're looking for an experienced engineer to design and build enterprise knowledge graphs and semantic data layers. You'll work at the intersection of data architecture, AI, and business domains — formalizing business knowledge into machine-readable models.

Responsibilities:

• Design, develop, and implement enterprise-grade knowledge graphs
• Build semantic layers that establish shared business understanding across enterprise systems
• Model business entities, relationships, taxonomies, ontologies, and controlled vocabularies
• Create semantic data products for AI applications, analytics platforms, and business users
• Design enterprise metadata models and integrate them with data catalogues
• Connect structured and unstructured enterprise data within a unified semantic model
• Maintain governance, lineage, metadata quality, and semantic consistency

Requirements:

• Hands-on experience designing and implementing knowledge graphs
• Semantic technologies: RDF, OWL, SKOS, SPARQL
• Graph databases: Neo4j, Amazon Neptune, Stardog, GraphDB, or equivalent
• Enterprise metadata management & data catalogue platforms
• Experience developing ontologies, taxonomies, and controlled vocabularies
• Strong enterprise data architecture and data modelling knowledge
• Advanced SQL and multi-system data integration
• Cloud platforms: Azure, AWS, or GCP

Nice to have:

• Semantic or enterprise search solutions
• Master Data Management (MDM)
• Data Mesh / Data Product concepts
• Enterprise data governance frameworks
• AI agents, GenAI, or RAG architectures

Sysadmin / SRE (L2 Support)
L2 operations role with strong interaction with DevOps and DevSecOps teams. Responsible for reliability and incident management of large-scale Azure and on-prem infrastructure (~1M). Operates and maintains monitoring and observability stack (Grafana, Prometheus, Azure Monitor, Application Insights, New Relic, Loki).

Key responsibilities include CMDB ownership, proactive and reactive infrastructure monitoring (capacity, availability, security), disaster recovery planning, and infrastructure incident management.

Salary depends on your professional level.

We are looking for a Technical Team Lead (ATE) to lead the development of automated test systems and drive the technical strategy of product testing in a manufacturing environment.

This role combines deep technical expertise with leadership responsibility. You will define the architecture of test solutions, make key engineering decisions, and grow a team of engineers. Your scope will cover the full testing lifecycle — from design analysis to manufacturing support and process optimization.

The ideal candidate has hands-on experience with ATE in production, understands DFT principles, and can build scalable and efficient test solutions.
 

Responsibilities:

1. Technical Strategy & Architecture

• Define test strategy (ICT / FCT / EOL) and ATE architecture
• Establish approaches for test coverage, fault isolation, and DFT
• Define engineering standards and best practices

2. Leadership & Team

• Lead and develop a team of test engineers
• Provide mentoring, design reviews, and technical guidance
• Make engineering decisions and trade-offs

3. Test Development

• Oversee development of test systems (fixtures, software, data infrastructure)
• Conduct DFT reviews with hardware teams
• Ensure production readiness of test solutions

4. Manufacturing & Optimization

• Support NPI → mass production transition
• Collaborate with manufacturing and contract manufacturers
• Optimize test time, yield, and line efficiency
• Lead root cause analysis

5. Data & Performance

• Analyze test data (yield, failure trends)
• Define KPIs and drive continuous improvement

Requirements:

1. Experience

• 5+ years in test engineering (PCBA / manufacturing / product)
• 2+ years of technical leadership experience
• Hands-on experience with ATE in production

2. ATE & Test Systems

• ICT / FCT / EOL testing
• Test fixtures and test infrastructure
• Test coverage, fault isolation, DFT

3. Manufacturing

• NPI → mass production
• Yield management, test optimization, line balancing
• Experience working with contract manufacturers

4. Embedded Systems

• Interfaces: UART, SPI, I2C, CAN, Ethernet
• Firmware flashing (secure flashing is a plus)
• Understanding of bootloaders and production firmware flows

5. Data & Metrics

• Yield analysis, failure Pareto
• KPI definition, SPC, GR&R

We offer:

• Competitive compensation and transparent conditions
• Military reservation (booking)
• Paid vacation and sick leave
• Health insurance
• Opportunity to influence technical decisions and product architecture
• Work with modern manufacturing environments and test systems
• Professional growth and development support
• Open culture and a strong engineering team

If you have relevant experience and are excited to contribute to a meaningful and impactful domain, we’d love to hear from you.

Send us your CV — we’ll be happy to review your application!

About AppsFlyer:

AppsFlyer provides a SaaS marketing analytics platform that measures and optimizes marketing activities across mobile, web, CTV, PC, and console applications. 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 microservices, backends, and infrastructure, and 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.

About the Role:

As a Data Engineer(Big Data) within the Analytics group at AppsFlyer, you will own the end-to-end journey of event data - from ingestion and processing to storage, modeling, and API delivery. 

You will design and implement data pipelines using Apache Airflow and Spark, choose and optimize analytical databases, and integrate new components in our hybrid microservices environment. You will collaborate with product managers and cross-functional teams, troubleshoot production incidents, and influence our migration toward Google Cloud and BigQuery. This role offers autonomy over feature design, real impact on a platform handling billions of events daily, and the chance to contribute to open-source projects or speak at industry forums.

Key Responsibilities:

• Develop and maintain data processing pipelines using Apache Airflow, Scala Spark or PySpark.
• Select, model and optimize analytical databases for high-throughput, low-latency queries.
• Design and implement backend services and APIs for data ingestion, aggregation and client consumption.
• Monitor system performance and stability; diagnose and resolve production issues.
• Collaborate with product managers and engineers to plan and deliver complex features.
• Drive migration efforts to Google Cloud Platform, BigQuery and modern data tooling.
• Participate in on-call rotations, alerting via PagerDuty and incident response procedures.
• Document system architecture and data flows; maintain code quality and tests.

Required Competence and Skills:

• 3+ years of hands-on experience building and operating production Big Data systems
• 2+ years of proven experience designing, developing, and maintaining large-scale distributed data processing pipelines
• Strong practical experience with distributed data processing technologies such as Apache Spark or equivalent Big Data frameworks.
• Experience with workflow orchestration tools such as Apache Airflow or similar.
• Strong SQL skills and experience designing data models for analytical workloads.
• Familiarity with JVM languages (Scala, Java, Clojure) or Python for backend development.
• Experience working with cloud platforms and modern data warehouses like Google Cloud Platform and BigQuery or similar.
• Experience owning production systems, including monitoring, troubleshooting, and responding to production incidents.
• Strong communication skills and ability to collaborate effectively within distributed engineering teams.
• B.Sc. in Computer Science or equivalent practical experience.

Nice to Have:

• Production experience with Google BigQuery, including ETL pipelines and analytical workloads.
• Experience developing backend services in Go or Clojure.
• Experience contributing to open-source projects or presenting at technical conferences or meetups.
• An AI mindset, including practical use of tools such as GitHub Copilot, Cursor, ChatGPT, or similar AI-assisted development workflows.

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