Jobs at Djinni

We are looking for a skilled Python Developer to join one of our projects on a full-time basis.

About the project: The client is from Norway. They are working on developing a product for the maritime industry. The product focuses on energy analysis for different sea transport (for example, fuel usage, greenhouse gas emissions, etc.).

Responsibilities:

• Design and develop new features in line with the product roadmap and detailed requirements.
• Write clean, efficient, and maintainable code, following best practices and coding standards.
• Maintain and evolve existing systems, including troubleshooting issues and modernizing technologies and architecture.
• Ensure the application meets performance, scalability, security, and reliability requirements.
• Conduct code reviews and contribute to the continuous improvement of development processes and code quality.
• Participate in architectural discussions, influence technical direction, and take ownership of tasks and deliverables.

Requirements:

• 5+ years of commercial experience as a Python Developer.
• Upper-Intermediate (B2) or higher level of English.
• Strong proficiency in Python.
• Experience with frameworks: Django, FastAPI, or others.
• Experience with database systems like PostgreSQL and MySQL.
• Hands-on experience with queue & message broker platforms like Kafka/RabbitMQ.
• Hands-on experience with CI/CD.
• Experience in container-based architecture and deployments (Docker, Kubernetes).
• Experience in writing unit tests, functional tests, and integration tests.
• Proficient in working with the version control system Git.
• Hands-on experience with AI coding tools.

Job details:

• Full-time.
• Fully remote.
• Long-term.
• B2B contract.
• Start date — April/beginning of May.

You’ll be working on event-driven, distributed, and scalable systems in Python, building large-scale data and service pipelines on AWS that support project’s content enrichment and metadata systems. This is a long-term remote opportunity with a supportive international team and strong ownership from day one.
This is a long-term, fully remote opportunity with a supportive international team and plenty of room for ownership.

Client is an American ebook and audiobook subscription service that includes more than one million titles. They began as a site to host and share documents and has grown into a global digital library with over 1.5 million subscribers in nearly every country worldwide.
The team focuses on building scalable metadata pipelines that utilize traditional tools, in-house ML models, and LLMs. In this role, you’ll design and optimize large-scale data and service pipelines running on AWS, supporting project’s content enrichment and metadata systems. You’ll work closely with cross-functional teams to design reliable backend services that integrate machine learning models and LLM-based components when needed. This role offers the opportunity to work on cutting-edge generative AI and metadata enrichment problems at a truly global scale.

Platform Tech Stack:
Python 3.10.x, PySpark, Airflow, pytest, Pandas, AWS, Delta Lake, MySQL (Aurora), Databricks, Terraform, Datadog, AWS Lambda, ECS, SQS, SNS, ElastiCache, CloudWatch.

Responsibilities:
● Provide technical leadership, mentorship, and guidance to engineers across the organization, driving secure coding best practices
● Lead the design, implementation, and scaling of event-driven, distributed systems to extract, enrich, and process metadata from large-scale document and media datasets
● Partner with Data Science, Infrastructure, ML Engineering, and Product teams to architect and deliver robust systems that balance scalability, high performance, and rapid iteration
● Contribute to the team’s engineering strategy, identifying gaps, proposing new initiatives, and improving existing frameworks
● Build and maintain scalable APIs and backend services for high-throughput content processing
● Leverage AWS services such as ECS, Lambda, SQS, ElastiCache, and CloudWatch to design and deploy resilient, high-performance systems
● Optimize and refactor existing backend systems for scalability, reliability, and performance
● Ensure system health and data integrity through monitoring, observability, and automated testing

Required skills:
- 7+ years of experience as a professional software engineer
- Strong proficiency in Python
- Proven ability to lead the design and delivery of complex software systems with minimal supervision
- Expertise in designing and architecting large-scale event-driven and distributed systems
- Strong cloud expertise with AWS services such as ECS, Lambda, SQS, SNS, and CloudWatch
- Familiarity with data processing frameworks such as Spark and Databricks
- Experience with infrastructure-as-code tools like Terraform
- Solid understanding of system performance, profiling, and optimization
- Experience leading technical projects and mentoring engineers
- Experience building and maintaining data-intensive backend systems or pipelines
- Upper-Intermediate English or higher

Nice to Have:
● Experience with Scala
● Familiarity with Ruby
● Bachelor’s degree in Computer Science or equivalent professional experience
● Experience with workflow orchestration tools such as Airflow
● Experience integrating ML or LLM-based models into production systems


Working Conditions:
— Work schedule: EST working hours !!!!
— Fully Remote
— Engagement: Long-term
— Full-time workload
— 2-week sprints with kickoff on Monday evenings and demos on Friday evenings
 

About Us: COCONE EUROPE OÜ is the European subsidiary of Cocone Corporation, a Japanese company known for avatar-based social mobile experiences. We build consumer-facing mobile products focused on emotional connection, engagement, and long-term user relationships.

About the Role: We are looking for a Senior UI/UX Designer to take ownership of the user experience and interface design of a live mobile product on Android and iOS with built-in gamification.

This role is centered on reimagining and elevating the overall product experience. You will identify usability issues, rethink core flows, and drive improvements that enhance engagement, retention, and emotional connection. You will work closely with product managers, engineers, and artists to ensure that design decisions are grounded in user needs while supporting business objectives.

What You’ll Do

• Own and drive end-to-end UX/UI design for a consumer-facing mobile application built in Unity.
• Analyze existing user profiles and journeys to identify friction points, usability issues, and opportunities for improvement.
• Redesign and optimize core product experiences with a strong focus on engagement and long-term retention.
• Define UX hypotheses, validate them through testing, and iterate based on insights.
• Design user flows, information architecture, wireframes, and high-fidelity UI for key features and systems.
• Translate product goals and behavioral insights into intuitive and emotionally engaging user experiences.
• Collaborate closely with product and engineering teams to ensure designs are feasible and effectively implemented.
• Analyze user behavior data, usability testing results, and qualitative feedback to identify UX issues and opportunities.
• Conduct UX audits and establish clear recommendations for improving usability, consistency, and accessibility.
• Contribute to and evolve a cohesive design system to ensure consistency across the product.

Requirements

Experience

• 5+ years of professional UI/UX design experience for mobile applications.
• Proven experience working on live products, including improving and iterating on existing experiences.
• Experience owning UX for complex systems or feature sets, not just individual screens.
• Strong track record of collaboration with product managers and engineers.
• Experience contributing to product improvements tied to engagement or retention metrics.
• Creating scalable design systems.

Skills

• Deep understanding of UX principles, interaction design, and information architecture.
• Strong ability to diagnose UX problems and propose effective, scalable solutions.
• Solid understanding of mobile platform conventions and constraints (Android and iOS).
• Ability to clearly articulate design decisions and rationale.
• High proficiency with modern design tools (Figma or equivalent).
• Experience leveraging data, user feedback, and usability testing to guide design decisions.
• Strong visual design skills with attention to detail, hierarchy, and consistency.
• Understanding and ability to apply gamification principles in UX.

Soft Skills

• High level of ownership and accountability.
• Strong communication and cross-functional collaboration skills.
• Comfort working in an international environment.
• Proactive, problem-solving mindset.
• Strong attention to product quality and user experience.

Nice to Have

• Experience with social features, avatar systems, or emotionally-driven digital experiences.
• Familiarity with accessibility best practices.
• Experience contributing to or scaling design systems.
• Experience mentoring or guiding other designers.
• Experience implementing UI assets in Unity.

Interview Process

• Initial Interview (30–45 minutes)
• Practical Test (2–3 days)
• Design Review & Deep Dive (60–90 minutes)
• Final Interview & Offer Discussion (30–40 minutes)

How to Apply

• CV
• Portfolio showcasing UX process and shipped work (mandatory)

Looking for a Middle DevOps Engineer who will play a key role in designing, maintaining, and evolving our modern cloud infrastructure powered by AWS.

Employment Type: Full-time / Part-time

What we expect from you:

• 3+ years of commercial experience in DevOps, cloud infrastructure, and automation;
• Strong hands-on experience with AWS services (EC2, S3, RDS, ECS/EKS, Lambda, VPC);
• Proficiency with Infrastructure-as-Code tools (Terraform, CloudFormation);
• Solid experience with containerization and orchestration (Docker, Kubernetes, Helm);
• Practical knowledge of CI/CD tools (GitLab CI, Jenkins, AWS CodePipeline);
• Understanding of networking fundamentals (TCP/IP, DNS, Firewalls, Load Balancing);
• Experience with monitoring/logging tools (Prometheus, Grafana, CloudWatch, ELK);
• Knowledge of cloud security best practices and compliance standards.
   

What we offer:

The opportunity to grow professionally by participating in the implementation of interesting and complex projects, as well as showing personal initiative.

Arounda is a full-cycle Digital Product Design and Development agency, operating on the market since 2016. Our main clients are American and European technological companies.

We are looking for UX/UI Designer able to understand business requirements and any technical limitations, as well as be responsible for conceiving and conducting user research and translating them into sitemaps, user flows, customer journey maps, wireframes, mockups and prototypes.

What you will need to do:

• Design and develop corporate websites and landing pages;
• Work on iOS and Android app interfaces;
• Conduct UX research, including competitor analysis;
• Build information architecture;
• Develop design concepts;
• Implement adaptive and responsive design;
• Create prototypes;
• Develop UI style guides;

Required Skills:

• Experience from 2 years
• Knowledge of Figma, AI, PS
• Knowledge of interface development steps
• Practical knowledge and application of grids in work
• Understanding of the principles of adaptive and responsive layout
• Knowledge of English at the level of Upper-Intermediate and above
• Proactive and responsible
• Ability to give and accept constructive criticism
• The ability to express your thoughts clearly

Will be a plus:

• Working with large product ecosystems (complex web apps, mobile apps)
• Experience in Fintech, Cryptocurrency niches
• Creation of brand identity
• Working with animations (Adobe AE)
• Ability to present and defend your work

We offer:

• Interesting foreign projects
• Market salary (depending on level)
• Flexible work schedule from 8:00/12:00 to 16:00/20:00

• Education and trainings are partially paid by the agency

  
  We look forward to your CV and a cover letter explaining why you want to work for our company. Candidates without an active link to their portfolio are not considered. A cover letter is optional and not required as part of your application.
  
  If you’ve read through our job description, start your application with the word 'spark'. This will help us understand your attention to detail.

Arounda is a full-cycle Digital Product Design and Development agency, operating on the market since 2016. Our main clients are American and European technological companies.

We are looking for a Junior Strong UX/UI Designer able to understand business requirements and any technical limitations, as well as be responsible for conceiving and conducting user research and translating them into sitemaps, user flows, customer journey maps, wireframes, mockups and prototypes.

Required Skills:

• 1+ years of experience in commercial projects
• Basic knowledge of Figma, Sketch, AI, PS tools
• English level upper intermediate and higher
• Understanding the design process
• Understanding the principles of adaptive and responsive layout
• Proactivity and responsibility
• Ability to give and accept constructive criticism
• The ability to correctly express one's thoughts

What you will need to do:

• Creation of corporate websites and landing pages
• Creation of iOS and Android applications
• Conducting UX research (Research of competitors)
• Creation of information architecture
• Creation of design concepts
• Creation of adaptive and responsive design
• Prototyping
• Creation of UI Style guide
• Creation of graphics and illustrations

We offer:

• Interesting foreign projects
• A well-coordinated team
• Market salary (depending on level)
• Flexible work schedule from 8:00/12:00 to 16:00/20:00
• Education and trainings are partially paid by the agency
   

We look forward to your CV and a cover letter explaining why you want to work for our company. Candidates without an active link to their portfolio are not considered. A cover letter is optional and not required as part of your application.

If you’ve read through our job description, start your application with the word 'momentum'. This will help us understand your attention to detail.

About Project

A global company with operations across multiple regions needs a senior engineer to take ownership of their Azure cloud platform and security posture. The infrastructure internal services used by teams worldwide. You’ll be the go-to person for anything Azure, M365 security, and network infrastructure — with the autonomy to improve how things are built and run.

What you’ll do

• Own and evolve Azure infrastructure: networking, compute, storage, microservices
• Harden cloud and endpoint security using Microsoft Defender, Sentinel, and CrowdStrike
• Manage identity and access: Entra ID, hybrid AD, conditional access, RBAC, B2C
• Automate provisioning and deployments (PowerShell, Terraform, CI/CD pipelines)
• Run M365 administration — Exchange, SharePoint, Teams, licensing, migrations
• Handle L3 escalations for cloud and infrastructure incidents
• Build monitoring, alerting, and capacity management for Azure workloads
   

Tech stack

Azure (VMs, AKS, AVD, Express Route, VPN, Site Recovery) · Microsoft 365 · Entra ID & Hybrid AD · Defender for Cloud · Sentinel · CrowdStrike · Intune · PowerShell · Terraform · Azure DevOps · SQL/Cosmos DB · Windows Server · Linux · Hyper-V
 

Must have

• 4+ years managing Azure cloud environments in production
• Proven security experience — cloud, endpoint, network (not just theory)
• PowerShell scripting and infrastructure automation
• Hybrid identity management (Entra ID, on-prem AD, sync)
• Upper-Intermediate+ English
   

Nice to have

• Microsoft certs (AZ-104, AZ-500, MS-500)
• Intune device management and Autopilot
• DevOps pipeline experience (Azure DevOps, GitHub Actions)
• AI/Copilot integration experience
• Database admin skills (MSSQL, Azure SQL, Cosmos DB)
   

What we offer

• Fully remote within Europe, flexible hours
• Stable long-term contract with a well-established global company
• Real ownership — small team, direct impact on infrastructure decisions
• Compensated on-call rotation
   

About Company

A global professional services organization operating for decades across multiple regions. You’ll join a lean IT operations team supporting both internal users and external clients.

Think you’d be a good fit? Drop us your CV. We care more about what you can do than a checklist of certifications.

Project overview:

At Group107, we are currently looking for a Strong Middle Full-Stack Developer to join one of our outstaff project — Constrol, a fast-growing construction-tech company.

Constrol develops innovative digital solutions, including a platform that connects BOQ (Bill of Quantities) with BIM models, enabling efficient and user-friendly construction planning, even for non-technical users.

You will join the Digital Platform team and contribute to the ongoing development and evolution of the product — improving architecture, refactoring existing systems, and building new features from scratch in a long-term collaboration environment. 
 

Requirements:

• 4.5+ years of experience in full-stack development
• Strong proficiency in JavaScript / TypeScript
• Hands-on experience with Node.js / Nest.js
• Hands-on experience with React, Redux, Material UI
• Experience with PostgreSQL
• Strong algorithmic thinking
• Bachelor’s degree in Computer Science or related field
• English level: Upper-Intermediate (B2)+ 
   

Nice to have: 

• Experience with TypeORM
• Understanding of microservices and event-driven architecture
• Familiarity with cloud platforms (GCP or AWS)
• Experience with NoSQL databases
• Experience with AI tools (e.g., Claude Code) 
   

Responsibilities: 

• Contribute to the design and development of a scalable, high-performance platform
• Develop new features, fix bugs, and improve system performance
• Work across backend (60%) and frontend (40%) tasks
• Collaborate with cross-functional teams to ensure smooth system integration
• Communicate with stakeholders to define requirements, scope, and timelines 
   

We offer:

• 20 vacation days (workdays)
• 7 sick days
• Personalized career growth
• Internal English classes
• Education reimbursement
• Corporate events and team buildings
• Equipment provided

VIP Account Manager (iGaming)

We are seeking an experienced VIP Account Manager to manage, retain, and grow a portfolio of high-value players in the iGaming segment. The ideal candidate is data-driven, stru ctured, and able to maintain long-term professional relationships with VIP clients.

About the Company

We operate in the iGaming sector, focusing on high-quality customer management, clear service standards, and performance-driven processes. Our VIP department is responsible for maintaining stable retention metrics and maximizing the value of VIP players.

Work format: Full-time, 2/1 schedule - 8hours

Requirements:

— Minimum 1 year of experience in VIP management within iGaming or high-value client service.
— English B2/C1 (written and verbal).

— Strong understanding of player behavior, motivations, and risk indicators.

— Proficiency with CRM systems, reporting tools, and data analysis.

— Ability to manage high-roller clients and maintain professional rapport.

— Experience creating individualized offers, loyalty mechanisms, and retention strategies.

— Strong communication skills and discipline in maintaining consistent, structured interaction with VIP clients.
 

Responsibilities:

— Manage a portfolio of VIP players and ensure compliance with internal service standards.

— Achieve KPIs related to retention, engagement, LTV, and VIP monetization.

— Monitor client activity, identify behavioral changes, and proactively address risks.

— Develop and execute personalized offers, including bonuses, cashback, and exclusive events.

— Review and interpret player financial activity: deposits, betting behavior, and turnover.

— Maintain structured communication through messaging, email, and chat.

— Coordinate with marketing, product, and analytics teams to optimize VIP-related workflows.

What We Offer:

— Full autonomy in decision-making — zero micromanagement.
— Opportunity to work directly with top-tier affiliate partners.
— Flexible work format (full-time or part-time).

— 22 paid days off per year (vacation + sick leave).

— Company-provided equipment after the probation period.
 

We are a Ukrainian outsourcing company Join.To.IT, founded in 2012, and delivering software solutions across diverse business domains.
We focus on building long-term partnerships with our clients and delivering solutions that create real business impact. Our team consists of experienced professionals who take ownership of their work, value clear communication, and are committed to high standards in everything they do.
At Join.To.IT, we create an environment where engineers can grow, influence technical decisions, and contribute to meaningful projects alongside a strong and supportive team. 

Responsibilities
Develop and maintain backend services using Node.js
Design and implement APIs (REST / GraphQL)
Work with both SQL and NoSQL databases
Integrate third-party services and external systems
Deploy and manage applications on cloud platforms (AWS / DigitalOcean)
Estimate tasks and contribute to project planning
Communicate with clients on smaller-scale projects
Understand business requirements and translate them into technical solutions
Conduct basic code reviews and ensure code quality
Suggest and implement improvements to existing technical solutions

Requirements: 
1+ years of experience with Node.js
Hands-on experience with SQL and NoSQL databases
Experience with cloud platforms such as AWS or DigitalOcean
Strong experience in API development and integration (REST / GraphQL)
At least 1 year of experience with Python
Ability to work independently without constant supervision
Experience delivering simple to mid-sized projects end-to-end
Ability to estimate tasks and timelines for small projects
Experience communicating directly with clients
Experience performing basic code reviews
Proactive mindset with a focus on improving technical solutions
Experience working in Agile environments (Scrum) and understanding of Lean principles

We offer:
Office-based or hybrid work format (office, near Vasylkivska metro station with shelter, Starlink, and uninterrupted power supply)
Paid vacation and sick leave
Medical insurance
Free gym access near the office
Supportive and collaborative team environment
Compensation for English courses and professional development

We are looking for a Marketing Designer with a strong visual sense and the ability to work at a fast pace. Your main focus will be on creating a high volume of daily content without compromising quality.

HOW YOU WILL MAKE AN IMPACT

• Create creatives for social media (posts, stories)
• Design advertising banners
• Develop and maintain the visual style of social media pages
• Adapt designs for different platforms and formats

WHAT WILL HELP YOU SUCCEED IN THE ROLE

• Strong experience in graphic design (Figma, Photoshop, etc.)
• Experience with 3D software
• Familiarity with AI tools (any)
• Ability to work quickly and meet deadlines
• Strong sense of composition, trends, and visual awareness
• Strong stress resilience / ability to perform under pressure

Nice to have:

• Experience in gaming / betting / crypto industries
• Background in digital marketing creatives

HOW WE WILL KEEP YOU SMILING

• Flexible working hours and a remote work setup, so you can plan work around your life and not your life around work!
• Unlimited vacation days and paid sick leave—because your rest matters.
• A competitive compensation that truly reflects your skills and expertise.
• Employee referral bonus and gifts to celebrate your special occasions.
• 50% financial support for learning expenses to supercharge your professional growth!
• A positive atmosphere where you always feel respected and truly belong.
• Inspirational team-building activities that turn colleagues into best friends.
• Wellness benefits: We’ll support your sports passions, from yoga classes to gym memberships.
• Co-working space reimbursement to save your nerves from always working from home :)

MINT is the leader in Advertising Resource Management (ARM) software, driving marketing transformation in the age of agentic AI. At the core of our innovation is an open enterprise platform that deploys autonomous AI agents to augment human teams across the marketing and advertising value chain, connecting marketing performance with enterprise growth and real business impact.

Thanks to a diverse team of over 300 professionals worldwide, we integrate technology, data, and agentic intelligence to redefine how global brands and agencies plan, execute, and optimize their advertising investments.

With the recent acquisitions of technology leaders Redmill Solutions and info³, MINT has further expanded its unified ecosystem, completing the long-awaited connection of media planning, buying, and execution within one intelligent environment.

The Role

We are looking for a Senior Data Architect — a strategic, hands-on, and forward-thinking leader passionate about reshaping complex data ecosystems, who will drive the transformation of our ARM platform by unifying multi-tenant data models, enabling scalability at growing volumes, and designing a foundation for future modules such as Financial Operations and Compliance.

This is a consultancy engagement, not an employment contract. The selected consultant will work independently, bringing their specialized knowledge and experience to our projects.

What you'll be doing:

Target Architecture Definition

• Conduct a comprehensive audit of the existing data landscape
• Assess current data models, data flows, and technical gaps (scalability, consistency, traceability)
• Evaluate build vs. refactor vs. reuse strategies for ARM 2.0
• Define target architecture principles aligned with product and business goals

Unified Data Modelling

• Design a shared, scalable multi-tenant data model
• Enable deep client configurability without fragmenting the core schema

Orchestration Architecture

• Architect APIs, event-driven systems, and caching layers
• Design end-to-end data flows (inbound and outbound) across multiple data sources and media platforms
• Ensure full traceability of media investments across the value chain (planning → buying → finance → reconciliation)
• Guarantee performance, consistency, and seamless integrations (e.g., SAP/ERP, third-party media tools)

AI/ML Foundations

• Prepare the platform for advanced analytics and AI-driven capabilities
• Support use cases such as: Media data quality scoring, anomaly detection, allocation recommendations, incentives management

This role will be a great fit if you have:

• + 10 years of experience in data architecture for B2B multi-tenant platforms
• Proven ability to design highly configurable systems without compromising data integrity
• Solid understanding of trade-offs between normalization, performance, and maintainability
• Experience working with complex data ecosystems and integrations
• Familiarity with media, advertising, or adtech ecosystems (agencies, media buying, platforms) is a plus

We would also appreciate:

• Advanced data modelling (conceptual, logical, physical)
• API and modular data services design
• ERP integrations
• MDM and multi-tenant architecture
• Cloud data platforms
• Data governance and privacy-by-design
• Applied ML experience

Interview Process

Candidates can expect the following steps in our interview process:

• HR Video Interview (30 minutes): A virtual interview with HR to provide an overview of the company and the role, as well as to gain insight into your experience and background.
• Technical Interview with Tech team (1 hour): A virtual interview with the VP Engineering or other Team members, focused on your technical expertise, past experience, and problem-solving approach.
• Final Interview with the CPTO (30 min)
• Offer: after completing the interview process, successful candidates will receive an offer.

MINT is committed to a diverse and inclusive workplace. MINT AI is an equal opportunity employer and does not discriminate on the basis of age, race, religion, color, national origin, gender, gender identity, gender expression, sexual orientation, immigration status, medical condition, protected veteran status, disability, genetic information, political views or activity, or other legally protected status.

Looking for a Data Engineer to join the Dataforest team. If you are looking for a friendly team, a healthy working environment, and a flexible schedule ‒ you have found the right place to send your CV.

Skills requirements:
• 2+ years of experience with Python;
• 2+ years of experience as a Data Engineer;
• Experience with Pandas;
• Experience with SQL DB / NoSQL (Redis, Mongo, Elasticsearch) / BigQuery;
• Familiarity with Amazon Web Services;
• Knowledge of data algorithms and data structures is a MUST;
• Working with high volume tables 10m+.

Optional skills (as a plus):
• Experience with Spark (pyspark);
• Experience with Airflow;
• Experience with Kafka;
• Experience in statistics;
• Knowledge of DS and Machine learning algorithms..

Key responsibilities:
• Create ETL pipelines and data management solutions (API, Integration logic);
• Different data processing algorithms;
• Involvement in creation of forecasting, recommendation, and classification models.

We offer:

• Great networking opportunities with international clients, challenging tasks;

• Building interesting projects from scratch using new technologies;

• Personal and professional development opportunities;

• Competitive salary fixed in USD;

• Paid vacation and sick leaves;

• Flexible work schedule;

• Friendly working environment with minimal hierarchy;

• Team building activities, corporate events.

We are looking for a Python Developer (microservices) to join the Dataforest team. If you are looking for a friendly team, a healthy working environment, and a flexible schedule ‒ you have found the right place to send your CV.

    Skills requirements:

• 4+ years of experience with Python;
• Experience with AWS services (Lambda, Step Functions, API Gateway, SQS, Fargate);
• Experience with SQL and query optimisation;
• Experience integration of 3rd party services;
• Strong understanding of client-server model, REST API approach, authorization/authentication principles;
• Strong understanding of asynchronous/multithread/multiprocess programming;

• Upper- Intermediate level of English.

   

     Optional skills (as a plus):

• Experience with Redis and Lua scripts;
• Experience with Django REST API;
• Experience with payment systems integrations (Stripe, Shopify, Recurly, Paypal, Braintree, etc.);

• Experience with Celery and async task management.

   

     Key responsibilities:

• Developing server applications (APIs). Within these applications, developers need to describe core logic and integrations with third-party services.
• Writing scripts similar to DAGs in AirFlow or AWS Lambdas. These scripts should process information using Pandas or implement some simple business logic.
• Developing applications with a distributed architecture (microservices).

• Developing client applications for data retrieval. These data will later be processed by developers from the DS and DE departments.

   

  We offer:

• Great networking opportunities with international clients, challenging tasks;
• Building interesting projects from scratch using new technologies;
• Personal and professional development opportunities;
• Competitive salary fixed in USD;
• Paid vacation and sick leaves;
• Flexible work schedule;
• Friendly working environment with minimal hierarchy;
• Comfortable, spacious, and well-equipped office in the city center;
• Team building activities, corporate events.

We are looking for a Senior Data Scientist with strong technical expertise and a practical mindset to work on complex data-driven challenges. In this role, you will design and implement ML and GenAI solutions, experiment with modern approaches, and transform ambiguous business problems into scalable, production-ready systems.

Requirements
Must-have

• 4+ years of experience in Data Science
• 4+ years of hands-on experience with Python
• Strong understanding of Machine Learning fundamentals, including:
  • regression and classification models
  • feature engineering and model evaluation
• Practical experience with LLMs and GenAI, including:
  • GPT / ChatGPT or similar LLMs
  • LangChain
  • Retrieval-Augmented Generation (RAG)
• Experience with EDA, data preprocessing, and basic dimensionality reduction (e.g. PCA)
• Hands-on experience with tree-based models (e.g. XGBoost)
• Experience building scalable and high-load solutions
• Ability to write clean, maintainable code
• Participation in technical and architectural decisions
  
  Nice to have
• Experience with NLP libraries (SpaCy, Hugging Face)
• Understanding of Explainable AI (XAI) and model interpretability
• Experience with cloud platforms (AWS / GCP / Azure)
• Ability to translate business problems into ML solutions

• Background in R&D, experimentation, or prototyping

  
  Key Responsibilities

• Develop AI agents that utilize LLM, RAG and langchain approach;
• Implement LLM and Diffusion models to boost business productivity;
• Utilize LLM (LLM Vision) to improve object detection, text classification and extraction;
• Create forecasting, recommendation, and classification models;
• Transform business challenges to AI applications;
• Conduct R&D activities: explore new ML/GenAI techniques and assess their practical impact.
• Collaborate with engineering, product, and business teams to deliver impactful data-driven solutions.
  
  We offer:
• Great networking opportunities with international clients, challenging tasks;
• Building interesting projects from scratch using new technologies;
• Personal and professional development opportunities;
• Competitive salary nominated in USD;
• Paid vacation and sick leaves;
• Flexible work schedule;
• Friendly working environment with minimal hierarchy;

• Team building activities, corporate events.