Jobs

Data Science UA is a service company with strong data science and AI expertise. Our journey began in 2016 with uniting top AI talents and organizing the first Data Science tech conference in Kyiv. Over the past 9 years, we have diligently fostered one of the largest Data Science & AI communities in Europe.

About the role:
We are looking for a Python Software Engineer to join our team and help us build an on-premise software pipeline for real-time computer vision. The system ingests camera streams (primarily RTSP), stores frames in a shared data layer, runs CV/AI engines for preprocessing and inference, applies inference logic to produce decisions, and sends results to Database/Portal/Alerting/Control integrations.

Responsibilities:
- Build and maintain the Camera Module to reliably ingest RTSP streams, decode frames, and handle reconnect/keep-alive/packet loss.
- Implement the Shared Data layer for raw and processed frame exchange across processes with backpressure and safe lifecycle management.
- Integrate and operate CV/AI Engines in Python (preprocess, inference, postprocess) with configurable model loading and runtime selection.
- Develop the Inference Logic layer that orchestrates cropping, batching, filtering, classification, and decision output formatting.
- Implement connectors for Database & Portal (event persistence, evidence references) and for Alerting & Control (events/hooks for downstream automation).
- Ensure production readiness on Linux with observability (logs/metrics), health checks, and robust error handling.

Requirements:
Must-have:
- Strong Python, OOP, clean architecture, typing preferred.
- Solid experience with multiprocessing/concurrency (process lifecycle, IPC patterns, queues/shared memory).
- Comfortable working in Linux (systemd/service mindset, networking basics, profiling/debugging).
- Familiarity with CV/AI tooling, and some related Python libraries such as numpy, opencv (cv2), and torch or tensorflow.
- Ability to work with streaming data and reliability constraints (timeouts, retries, resource cleanup).
Should-have:
- Experience with RTSP/RTP streaming and common issues (UDP vs TCP interleaved, jitter, packet loss, camera timeouts).
- Performance optimization (profiling, memory management, zero-copy patterns).
- Exposure to inference acceleration stacks (TensorRT/OpenVINO) or GPU deployment.
- Experience designing event schemas and integration with DB/message queues.

We offer:
- Free English classes with a native speaker and external courses compensation;
- PE support by professional accountants;
- Medical insurance;
- Team-building events, conferences, meetups, and other activities;
- There are many other benefits you’ll find out at the interview.

How you’ll be impactful:
As a Back End Engineer, you will improve our codebase, and write new features. Become a part of a successful team and bring your own perspective, experience, and knowledge to the table.
 

What You’ll Be Doing:

Develop new features and automatic tests, make sure everything is optimized correctly from code and database view.
 

What You'll Need To Be Successful in:

• +3 Years Proven work experience as a Ruby on Rails developer
• Proven work experience in software development
• Experience in Integration with popular 3rd party APIs and services
• A firm grasp of object oriented analysis and design
• Passion for writing great, simple, clean, efficient code
• Good knowledge of relational databases and SQL
• Experience with AWS or Heroku.
• Git
• Good sense of humor!
   

Perks & Benefits:

• Friendly, talented, collaborative, and entrepreneurial team
• Work in the international company
• Generous holiday and PTO policies (17 days PTO, 5 sick days, 1 day for Birthday)
• Competitive compensation in USD
• Summer Fridays 
• Training and development opportunities and allowance
• Fun and inclusive digital, and in-person events
• Hybrid working model 2 days from the office in Uzhhorod, 3 days working from home

RedCore is an international business group that creates technological solutions for digital markets. Our products and services cover fintech, marketing, e-commerce, customer service, communications, and regulatory technologies.

We are looking for a Senior Go Engineers! 

Requirements:

• 4+ years of experience with Go programming language.
• Proven ability to design and implement scalable and reliable software solutions.
• Strong understanding of event-driven architecture.
• Experience with containerization and orchestration tools like Docker and Kubernetes.
• Hands-on experience with RDBMS and/or NoSQL databases.
• Strong understanding of event-driven architecture + hands-on experience with Event Brokers.
• Experience with observability — implementing logs, metrics, and tracing.
• Proficiency in working with cloud platforms such as Google Cloud Platform (GCP) and/or AWS.
• Proficient in using Git, GitLab, and GitLab CI for source control and continuous integration.
• Excellent problem-solving abilities.
• Strong time management and organizational skills to handle multiple tasks effectively.
• Upper-intermediate level of English, both written and verbal.
   

Nice to have:

• Familiarity with the Twelve-Factor App methodology.
• Knowledge of Cloud Events and GitOps practices.
   

Responsibilities:

• Develop high-performance, testable, and maintainable code to deliver new functionality.
• Conduct code reviews to ensure quality, maintain standards, and share knowledge across the team.
• Integrate industry-leading third-party services into the platform.
• Mentor team members and actively share knowledge to foster growth and collaboration.
• Propose and implement innovative technical initiatives to improve systems and processes.
   

Why Join Us:

• Flexible remote or hybrid working format based on your location.
• No Time Trackers: We value trust and focus on results.
• Career growth, professional development, and regular performance reviews.
   

Hiring Steps: HR Interview > Technical Interview (no test task, no live-coding needed) > Reference check > Offer
 

Our benefits to you:
☘️An exciting and challenging job in a fast-growing business group, the opportunity to be part of a multicultural team of top professionals in Development, Architecture, Management, Operations, Marketing, Legal, Finance and more

🤝🏻Great working atmosphere with passionate experts and leaders, sharing a friendly culture and a success-driven mindset is guaranteed

🧑🏻‍💻Modern corporate equipment based on macOS or Windows and additional equipment are provided

🏖Paid vacations, sick leave, personal events days, days off

💵Referral program — enjoy cooperation with your colleagues and get the bonus

📚Educational programs: regular internal training sessions, compensation for external education, attendance of specialized global conferences

🎯Rewards program for mentoring and coaching colleagues

🗣Free internal English courses

✈️In-house Travel Service

🦄Multiple internal activities: online platform for employees with quests, gamification, presents and news, clubs for movie / book / pets lovers and more

🎳Other benefits could be added based on your location 
 

As part of the AI transformation strategy, Kyivstar invests resources into development of products and services that uses cutting edge ML and Speech technologies to significantly improve internal processes and day-to-day tasks, but also uses gained experience to help partners and clients to receive maximum benefits from these technologies too.

Necessary skills:

•4+ years of experience in Machine Learning, Deep Learning and Speech Processing

•Strong Python skills with experience building maintainable and production-ready ML code

•Fundamental knowledge of  ML/DL theoretical concepts

•Hands-on experience with training and deploying models for various speech processing tasks including data preparation (e.g., speech classification, speech-to-text, text-to-speech, speaker diarization, etc.)

•Practical experience developing and deploying end-to-end production-ready ML pipelines, covering data gathering, preparation, training, validation, and inference

•Proficient in version control (Git) and containerization tools (Docker)

Would be a plus:

•Experience with real-time / low-latency speech systems

•Experience with distributed data processing and training in multi-node, multi-GPU environments

•Familiarity with PySpark for large-scale data processing

•Experience with Azure/AWS

•Exposure to Data Science in the Telecom industry

Responsibilities:

•Design, train, and optimize ASR and TTS models for production use

•Design, train, and evaluate classical ML models

•Perform feature engineering and data analysis for both speech and non-speech data

•Collaborate with DE/DevOps team to deploy the solution

•Plan and manage ML projects, articulate methodologies, and communicate results and business impact to stakeholders and customers

Proposed:

•Working with huge amounts of data at the largest operator in Ukraine

•Hands on experience with Cloud technologies and tools

•Great diversity of tasks and projects to utilize your knowledge and skills; flexibility in tools and approaches

•Opportunity to grow within the team of talented data scientists

We’re looking for a proactive and passionate Talent Acquisition Specialist to join our team and help scale our organization by identifying and attracting top-tier talent. The ideal candidate thrives in fast-paced environments, understands the dynamics of product-driven or startup teams, and is excited to play a key role in building high-impact teams.

Key Responsibilities:

• Own and drive end-to-end recruitment processes across multiple functions (Tech, Product, Design, Business, etc.).
• Design, implement, and continuously improve structured recruitment processes to ensure consistency, efficiency, and a high-quality candidate experience.
• Partner closely with hiring managers to understand role requirements, team dynamics, and hiring goals.
• Craft compelling job descriptions and source candidates through multiple channels (LinkedIn, job boards, referrals, etc.).
• Conduct initial screening calls, assess candidate fit, and manage a seamless interview process.
• Enhance candidate experience with timely communication and feedback.
• Track hiring metrics and optimize recruiting strategies accordingly.
• Contribute to employer branding initiatives to position the company as a top choice for talent.
   

Requirements:

• 3+ years of experience in recruitment, preferably in high-growth or dynamic environments.
• At least 1 year of experience working in a product or startup company – understanding of lean teams, fast hiring cycles, and adaptability is key.
• Strong communication and interpersonal skills with a collaborative mindset.
• Good conversational and written English skills (at least Upper-Intermediate level or higher).
• Ability to work with multiple stakeholders and manage competing priorities.
• Familiarity with ATS platforms and sourcing tools (e.g., LinkedIn Recruiter, AngelList, etc.).
• A passion for people, hiring, and helping build high-performance teams.
   

Nice to Have:

• Experience working with AI companies or hiring for AI-related roles.

• Familiarity with AI tools to enhance sourcing, screening, or process automation.

   

Why Join Us?
We’re a passionate, fast-moving team building something meaningful. You’ll get the chance to grow with us, take ownership, and make a real impact on our team and culture.

Project Description:

We are looking for a DevOps Engineer with hands-on expertise in software development, release engineering, and configuration management to participate in development and testing of a 4K-enabled next-gen Android device with Google Assistant voice control.

Responsibilities:

The main responsibilities will be creating and support CI/CD pipelines for AOSP/Android, as well as dev team integration and testing support.

Mandatory Skills Description:

AWS
Linux
Java (8, 9)
Groovy
Bash scripts
Jenkins
Git

Nice-to-Have Skills Description:

Experience with microservices development
Experience in Android applications
Experience with languages: C++, Python
Frameworks: SpringBoot
Containers: Docker, Kubernetes
Testing tools: Appium, Selenium
Building tools: Graddle, Make, Maven

Languages:

English: B2 Upper Intermediate

HR-16868729

QIT Software is looking for an experienced App Developer to build, launch, and maintain an application on one or more major SaaS marketplaces such as:
- Shopify
- HubSpot
- Canva
- Adobe
- Figma
- Slack
- Salesforce
- Others


You’ll own the full lifecycle of development — from integrating our APIs and authentication flows to deploying and maintaining the app post-launch.

Ideal candidates have previously built production-ready marketplace apps or third-party integrations connecting APIs between platforms.

Details:
- Client: USA
- Tech stack: Python, Node.js, TypeScript, SQL/NoSQL, APIs, etc.
- Timezone: 8 hours overlap with PST


Requirements:

- Proven experience developing apps for Shopify, HubSpot, Canva, Adobe, Slack, or similar ecosystems
- Strong experience in  Node.js,
- Hands-on experience with REST APIs, webhooks, and OAuth 2.0
- Knowledge of deployment best practices (cloud hosting, CI/CD pipelines)
- Familiarity with marketplace submission and approval processes
- Excellent communication and ownership mindset
- Must align full-time with PST timezone

Responsibilities:

- Develop and launch a fully functional app or integration on a major SaaS platform
- Connect and extend our product’s functionality through REST APIs and webhooks
- Implement secure authentication (OAuth 2.0) and handle multi-tenant configurations
- Manage submission, approval, and version updates on marketplace
- Provide ongoing support, maintenance, and improvements post-launch

Work conditions:

- The ability to work remotely from anywhere in the world;
- Flexible work schedule, no micromanagement, no strict deadlines and free overtime work;
- Work in European and American products with a modern technology stack in different industries (Finance, Technology, Health, Construction, Media, etc.);
- Revision of wages every year or on an individual basis;
- Accounting support and full payment of taxes by the company;
- 100% compensation for remote English lessons;
- 15 paid leaves (PTO) and public holidays.

Project:

Gaming platform automation bot as a service

We run >10000 chrome workers at same time
to execute strategies for profit.
 

Stack:

node.js, Pgsql, temporal
 

Core responsibility:
* Design, build and optimize algorithms and strategies
 to increase profits and optimize performance

Main advantages:
* Flexibility. 2 mandatory meetings weekly
* Small team obsessed with analisys/retrospective/excellence

QIT Software is seeking an experienced Data Scientist or Data Analyst to help export, clean, analyze, and report on data from multiple systems. The ideal candidate will have strong technical skills in SQL and either R or Python, experience working with Firebase data, and the ability to build clear dashboards and reports using Microsoft Fabric and Power BI.

This role will involve transforming raw data into meaningful insights that can support operational and strategic decision-making. The position requires someone comfortable working with large datasets, structuring data pipelines, and presenting insights in a clear and actionable format.

Requirements:
- Strong experience with SQL for querying and data manipulation
- Proficiency in R or Python for data analysis
- Experience exporting and working with Firebase data
- Hands-on experience with Microsoft Fabric and Power BI for reporting and dashboard development
- Experience with data cleaning, ETL processes, and dataset normalization
- Ability to translate complex data into clear visual reports and insights
- Strong communication and documentation skills

Responsibilities:
- Export and consolidate data from multiple sources including Firebase and SQL databases
- Clean, transform, and structure raw datasets for analysis and reporting
- Write efficient SQL queries to extract and manipulate data
- Perform data analysis using R or Python
- Design and maintain dashboards and reports using Microsoft Fabric and Power BI
- Identify trends, anomalies, and insights from operational or customer data
- Document data models, processes, and queries for ongoing reporting
- Collaborate with internal stakeholders to understand reporting needs and deliver actionable insights

Would be a plus:

- Experience building automated data pipelines
- Experience integrating multiple data sources (APIs, cloud databases, SaaS tools)
- Experience working with large operational or customer datasets
- Familiarity with cloud data environments

Work conditions:

- The ability to work remotely from anywhere in the world;
- Flexible work schedule, no micromanagement, no strict deadlines and free overtime work;
- Work in European and American products with a modern technology stack in different domains (Finance, Technology, Health, Construction, Media, AI, Blockchain, etc.);
- Revision of wages every year or on an individual basis;
- Accounting support;
- 100% compensation for remote English lessons;
- 15 paid leaves (PTO) and public holidays.

Full-time, long-term cooperation, 3 steps to the job offer.

Team: up to 25 employees.
 

Position Overview:
The company is a fast-moving, innovative startup revolutionizing the way businesses communicate through video. As they resume their growth trajectory, we are looking for top-tier engineering talent to join their R&D team and help shape the future of their product. They thrive in a high-intensity, hands-on environment, and we are looking for developers who do the same.
 

Who We’re Looking For

We are seeking a Full-Stack Engineer with strong experience, a product mindset, and the ability to thrive in a fast-paced startup culture. You will work closely with product, data, sales, and customers to design and build high-impact features that delight our users.
 

This is a full-time, in-office role with no remote work option. Candidates must be ready for a high-commitment, startup-style work culture with result goals.
 

What You'll Do:

• Develop features end-to-end: from grooming, design reviews, coding, and testing, to deployment and monitoring in production
• Lead the development of groundbreaking features that deliver tangible customer impact
• Play a key role in architectural decisions and long-term technical planning
• Mentor other developers and lead by example in writing clean, scalable, maintainable code
• Collaborate with cross-functional teams (product, support, sales) throughout the development lifecycle
   

What You Bring:

• Minimum 3 years of professional software development experience
• Proven ability to lead features from design to delivery
• Exceptional communication skills and a team-player mindset
• Strong React.js, JavaScript, CSS/HTML, and Node.js experience
• Background at a top-tier tech company or high-impact startup
• Strong professional references
• Willingness to work long hours and fully commit to a demanding environment
   

Nice to Have

• Experience with AI technologies or AI-driven product development
• Familiarity with AWS cloud development (Lambda, DynamoDB, Serverless framework)
• Previous exposure to Styled Components and modern front-end tooling
   

Why Join Them?

• A chance to make a real impact as part of a lean, driven team
• Opportunities to shape the future of the product and tech stack
• Above-market compensation for exceptional talent
• An intellectually stimulating environment with like-minded professionals
   

Application Process:

This is a selective and competitive hiring process. Please ensure your application includes:

• A resume/CV
• A tailored cover letter (required) explaining your motivation, key achievements, and what you can bring to the team.

About the role

You will be a Core Developer in our product team, taking charge of developing and scaling our mobile product. This is a high-impact position where you’ll be involved in the entire product lifecycle: from building core product features and modern UIs to designing a reliable, fast, and efficient infrastructure around it. You’ll work directly day-to-day with the General Manager and have a clear, measurable impact on the product’s unit economics.

Technical stack: AI-driven Engineering, Flutter, Next, React.

What you need for this position

• You’re an AI-augmented engineer. You actively use tools like Copilot, Cursor, or Claude to speed up your routine, refactor efficiently, and solve problems faster.
• You communicate openly and feel comfortable in a fast-paced agile team where things can change rapidly.
• You’re a truly product-oriented engineer. You don’t just write code in a vacuum — your technical decisions are always driven by real product and engineering metrics, keeping business goals in mind.
• You can solve product and business problems end-2-end completely solo. You know how to take a high-level problem description and turn it into an efficient, working engineering solution without needing someone to hold your hand.
• 3+ years of mobile development experience with Flutter and 5+ years of experience as a SE.
• Familiarity with Google Cloud Platform, particularly Firebase services including Firestore, Storage, and Performance, as well as experience with Firebase Flutter SDK, Bloc, and Hive storage.
• Understanding of the app publishing process for stores.
• Hands-on experience with Next and React to build web (short on experience? That’s completely OK, provided you can deliver effectively by leveraging AI tools and are eager to pick up new tech quickly)

Hiring Process

Stage 1: Interview with HR (1h).

Stage 2: Interview with VP of Engineering.

Stage 3: Technical interview.

Stage 4: Interview with the team.

What we offer for your success

• Very warm and friendly working environment and flexible working schedule.
• 20 days off + paid national holidays, and 12 sick days paid by the company per year.
• Medical insurance, and health protection programs (with COVID-19 and dental coverage).
• Continuous professional development and growth opportunities.

In a partnership with a leading Spanish consulting partner, we are seeking for a Senior SAP SD Consultant. You will be responsible for mapping complex sales processes into SAP S/4HANA, ensuring seamless integration with Procurement (MM) and Finance (FI) while working directly with the client's internal teams in Barcelona.

Key Responsibilities

• Process Mapping: Analyze "As-Is" sales and distribution processes and design "To-Be" solutions within S/4HANA.
• On-site Configuration: Perform hands-on customizing of the SD module, including pricing procedures, credit management, billing, and shipping.
• Localization: Manage specific Spanish legal requirements (SII - Suministro Inmediato de Información, etc.) if applicable to the client's domestic operations.
• Legacy Migration: Lead data cleansing and migration activities from ECC 6.0 or non-SAP systems to the new environment.
• User Training & UAT: Conduct on-site User Acceptance Testing (UAT) and provide "train-the-trainer" sessions for the client's key users.
• Post-Go-Live Support: Provide immediate "floor support" during the stabilization phase of the project.

Technical & Professional Requirements

• Experience: +5 years of functional experience in SAP SD. At least one full lifecycle implementation of S/4HANA is mandatory for this project duration.
• Technical Depth: * Advanced knowledge of Pricing (VOFM), Output Determination, and ATP (Available to Promise).
• Strong understanding of Logistics Execution (LE).
• Experience with EDI/iDocs for automated customer orders.

In a partnership with a leading Spanish consulting partner, we are seeking for a Senior SAP SuccessFactors Consultant. As a Senior Consultant, you will lead the functional design, configuration, and implementation of SAP SuccessFactors modules for international clients. You will act as the bridge between business requirements and technical execution, ensuring the solution is scalable and aligned with SAP Best Practices.

Key Responsibilities

• Project Leadership: Lead end-to-end implementation cycles (Discovery, Design, Configuration, Testing, and Go-Live) for one or more SSFF modules.
• Functional Design: Facilitate workshops to gather business requirements and translate them into functional specifications and workbooks.
• Configuration & Integration: Perform hands-on configuration of the SuccessFactors suite. A major focus is often placed on Employee Central (EC) and integrations using Business Integration Builder (BIB) or Point-to-Point (PTP).
• Data Migration: Oversee or execute data mapping and migration from legacy systems (SAP HCM or third-party) to SuccessFactors.
• Support & Optimization: Provide high-level AMS (Application Management Support) for post-go-live incidents and complex system enhancements.
• Stakeholder Management: Manage relationships with key client stakeholders, providing strategic advice on HR digital transformation.

Technical & Professional Requirements

• Experience: Minimum of 5+ years of proven experience in SAP SuccessFactors projects.
• Certifications: Active SAP SuccessFactors Professional/Associate Certification (Employee Central is highly preferred).
• Technical Knowledge:
• Strong proficiency in Employee Central (EC).
• Experience with Integration Center, CPI (Cloud Platform Integration), and BIB.
• Knowledge of Spanish and English at a professional level (B2/C1).
• Soft Skills: Leadership capacity to manage small teams of junior consultants and high analytical skills for troubleshooting.

Join one of the EPAM teams and help to build SaaS for the client

Develop RESTful APIs (OData) based on SAP CAP on Java and Spring Boot

Requirements:

Strong JAVA Backend development skills

Solid understanding of Spring Boot 

Knowledge of SAP CAP based Java

Experience in REST API implementation 

Understanding of Domain-driver Design

Capable to drive initiatives;

Knowledge of DevOps Tools (e.g. Jenkins), S/4 HANA DMS, and ABAP would be added advantage

The practice of modern software engineering includes coding standards, code reviews, source control management, build processes, testing, and releasing

Our Mission and Vision

At Solidgate, our mission is clear: to empower outstanding entrepreneurs to build exceptional internet companies. We exist to fuel the builders — the ones shaping the digital economy — with the financial infrastructure they deserve. To achieve that, we’re on a bold path: to become the #1 payments orchestration platform in the world.

About the Team and Role

We’re looking for a proactive, business-minded Go Engineer to join the team building products that help our customers cut down on fraud-related risks. You’ll get to work on our brand new Representment product — saving our merchants hundreds of thousands of dollars.

If you thrive in a high-performing team that moves fast, aims high, and values ownership above all, this is your stage. Our culture is demanding, transparent, and deeply collaborative. It’s not for everyone — but if you want to raise the bar every day alongside equally driven teammates, this is where you belong.

Explore our technology stack ➡️ here (https://solidgate-tech.github.io/)
 

What you’ll need to do

• Build the Dispute module: collect data from payment systems and make it clear for clients
• Launch the Representment module: create interfaces and APIs for merchants to upload evidence and push it to the Schemes
• Integrate with global payment giants: Stripe, Adyen, PayPal
• Roll out new products with Mastercard, Visa, AMEX

• Develop the financial backbone: invoicing, billing, reconciliation at scale

   

You’re a great fit if you have

• 4+ years of backend development experience, mostly with Go
• Proficiency with PostgreSQL
• Proven track record with microservices
• Strong grasp of high-load system design
• Solid test coverage: unit, integration, functional, and e2e
• Proactive and results-driven mindset
• Initiative and strong decision-making skills

• Solid understanding of business processes

   

Nice to have

• Background in fintech or the financial sector
• Knowledge of Apache Kafka or RabbitMQ

• Familiarity with AWS and modern CI/CD

   

Why Solidgate?

• High-impact role. You’re not inheriting a perfect system — you’re building one.
• Great product. We’ve built a fintech powerhouse that scales fast. Solidgate isn’t just an orchestration player — it’s the financial infrastructure for modern Internet businesses. From subscriptions to chargeback management, fraud prevention, and indirect tax — we’ve got it covered. We hold financial licenses in key regions and are a direct Visa & Mastercard partner and sub-reseller (top 5 globally).
• Massive growth opportunity. Solidgate is scaling rapidly — this role will be a career-defining move.
• Huge scale. Every month we process 700k prevention alerts, 150k fraud alerts, and 150k chargebacks.
• Top-tier tech team. Work alongside our driving force — a proven, results-driven engineering team that delivers. We’re also early adopters of cutting-edge fraud and chargeback prevention technologies from the Schemes.
• Modern engineering culture. TBDs, code reviews, solid testing practices, metrics, alerts, and fully automated CI/CD.
  
   

💌 The Extras: 30+ days off, unlimited sick leave, free office meals, health coverage, and Apple gear to keep you productive. Courses, conferences, sports and wellness benefits — all designed for ideas, focus, and fun.

Tomorrow’s fintech needs your mindset. Come build it with us.