Jobs at Djinni

Description

The Digital Health organization is technology team which focused on next generation Digital Health capabilities which deliver on the Medicine mission and vision to deliver Insight Driven Care. This role will operate within the Digital Health Applications & Interoperability subgroup of the broader Digital Health team, focused on patient engagement, care coordination, AI, healthcare analytics & interoperability amongst other advanced technologies which enhance our product portfolio with new services, while improving clinical & patient experiences.

The project is a cloud-based PaaS Ecosystem built with a privacy by design centric approach to provide a centralized cloud-based platform to store, classify, and control access to federated datasets in a scalable, secure, and efficient manner.

The ecosystem will allow Customer Operating Units (medical device departments) to store federated data sets of varying sizes and formats and control access to those data sets through Data steward(s). Source data sets can be exposed to qualified use cases and workflows through different project types.

The Healthcare Data Platform ecosystem will provide ML/AI project capabilities for streamlined development processes and a ML/AI workbench to enhance data exploration, wrangling, and model training.

In queue: 15+ OU’s. At this moment focused on – Nuero, Cardio, Diabetes is the OU that data platform is working with, but there could be more OU’s coming up with requirements in future.

GL Role: is to work on the enhancement of current capabilities, including taking over the work that AWS proserve team is doing, and develop new requirements that will keep coming from different OU’s in the future.

Requirements

• AWS Platform: Working experience with AWS data technologies, including S3, AWS RDS, and Lake Formation
• Programming Languages: Strong programming skills in Python
• Data Formats: Experience with JSON, XML, and other relevant data formats
• CI/CD Tools: Ability to deploy using established CI/CD pipelines using GitLab CI, Jenkins, Terraform or similar tools
• Scripting and automation: experience in scripting languages such as Python, PowerShell, etc.
• Monitoring and Logging: Familiarity with monitoring & logging tools like CloudWatch, Splunk, ELK, Dynatrace, Prometheus
• Source Code Management: Expertise with GitLab
• Documentation: Experience with markdown and in particula,r Antora for creating technical documentation
• Previous Healthcare or Medical Device experience
• Experience implementing enterprise grade cyber security & privacy by design into software products
• Experience working in Digital Health software
• Experience developing global applications
• Strong understanding of SDLC;
• Experience with Agile methodologies
• Software estimation
• Experience leading software development teams onshore and offshore

Job responsibilities

• Implement data pipelines using AWS services such as AWS Glue, Lambda, Kinesis, etc
• Implement integrations between the data platform and systems such as Atlan, Trino/Starburst, etc
• Complete logging and monitoring tasks through AWS and Splunk toolsets
• Develop and maintain ETL processes to ingest, clean, transform and store healthcare data from various sources
• Optimize data storage solutions using Amazon S3, AWS RDS, Lake Formation and other AWS technologies.
• Document, configure, and maintain systems specifications that conform to defined architecture standards, address business requirements, and processes in the cloud development & engineering.
• Participate in planning of system and development deployment as well as responsible for meeting compliance and security standards.
• Actively identify system functionality or performance deficiencies, execute changes to existing systems, and test functionality of the system to correct deficiencies and maintain more effective data handling, data integrity, conversion, input/output requirements, and storage.
• Document testing and maintenance of system updates, modifications, and configurations.
• Leverage platform process expertise to assess if existing standard platform functionality will solve a business problem or customization solution would be required.
• Test the quality of a product and its ability to perform a task or solve a problems.
• Perform basic maintenance and performance optimization procedures in each of the primary operating systems.
• Ensure system implementation compliance with global & local regulatory and security standards (i.e. HIPAA, SOCII, ISO27001, etc…)

About the company
Mabrook is a product company building a next-generation social platform. Our goal is to combine everything a modern user needs in one product: entertainment, booking, and a marketplace.
We are a team of around 30 people, distributed across Europe and the UAE.

About the role
We are looking for a QA Engineer to join our team and ensure high quality of our mobile product. The role involves working with both frontend and backend parts of the application, with a focus on stability, test coverage, and release quality.

Hard requirements (must-have)

Experience

• 4–6+ years of experience in QA (manual + basic experience with Mobile automation)
• Strong experience in testing mobile applications (frontend and backend)
   

API & Backend

• Solid API testing skills (Postman, Swagger)
• Understanding of client-server architecture, HTTP/HTTPS, JSON
• Experience with log analysis (e.g., DataDog, Sentry)
   

Processes & Methodologies

• Understanding of STLC / SDLC and Agile methodologies
• Basic understanding of CI/CD processes
   

Test Management & Documentation

• Test management systems (TestTrail, Qase)
• Experience in creating and maintaining test documentation:
  • test cases
  • checklists
  • test strategies
     

Testing Types

• Hands-on experience with:
• regression testing
• smoke testing
• functional testing
• non-functional testing (performance)
• UI testing
   

Tools & Workflow

• Experience with bug tracking tools (Jira)
• Familiarity with Git
   

Analytical Skills

• Ability to analyze requirements, identify gaps, and ensure proper test coverage
   

Nice-to-have

Automation & Advanced Testing

• Exposure to test automation (E2E / smoke tests)
• Experience with performance testing (e.g., K6, Artillery.io)
   

Mobile & Tools

• Experience with Appium
• Experience with local testing approach
• BrowserStack
   

Payments & Domains

• Experience testing payment systems (Stripe, PayPal)
• Experience working across different domains (e-commerce, fintech, etc.)
   

Technical Skills

• Working knowledge of SQL for data validation
• Familiarity with Docker / Git

We are looking for a Strong Senior FullStack Developer with 7+ years of experience. Our product is a mobile and web application designed to ensure the highest standards in construction safety and quality.

Our client is a leading company in the Israeli construction quality control and safety space, currently experiencing strong growth and backed by recent investment to accelerate expansion into the US market.
 

Tech Stack

Languages: JavaScript, TypeScript
Frontend: React, React Native, MobX
Backend: NodeJS, GraphQL
Database: MySQL
 

Team Composition

Product Team: 4 Product Owners, 1 UX Designer, 1 VP R&D, 3 Team Leads, 1 Tech Lead, 5 QA Engineers, 14 FullStack Developers, 2 DevOps Engineers, Sales and Support Team
 

Role Overview

As a Senior FullStack Developer, you will focus on setting and maintaining technical standards, architectural decisions, and ensuring high-quality code. You will tackle challenging features, build foundational structures, and either develop them yourself or collaborate with the team.

New developer will work on both technical debt and product features, with the exact balance evolving over time based on product priorities.

At this stage of development, the task proportions are expected to be distributed as follows: 80% frontend and 20% backend.
 

Primary Responsibilities:

• Coding & Estimation (80%): Write high-quality code, break down tasks with the Team Lead, and deliver robust features.
• Code Review & Mentoring (20%): Review code to ensure adherence to standards, share knowledge, and mentor team members.
   

Key Competencies:

• Strong performance optimization skills
• Debugging assistance and skill sharing
• Attention to detail and bug-free delivery
   

Quality Metrics:

• Uptime/SLA and other performance metrics
• Minimal performance issues and bugs
• Fault tolerance and problem minimization
   

What We Offer

• Culture: Transparent, sincere, and straightforward culture with a focus on software craftsmanship.
• Employment Type: Self-employment contract with an adult attitude.
• Work Schedule: 10 working months per year, 2 months paid time off (not exceeding 2-3 weeks at a time).
• Workspace: Office space available for co-working as needed.
• Education & Development: Coverage of 25% to 75% of costs for education and self-development.
   

Our Recruitment Stages

Here are the recruitment stages the candidate will go through:

1. HR Interview ~1h
   1. The first meeting with our HR manager to discuss general questions, learn about the company, and understand your work expectations.
2. Home Task ~1,5-4h (We guarantee that you will receive comprehensive feedback on the completed task)
   1. A practical task you will complete at home. It will help us assess your technical skills and approach to problem-solving.
3. Technical Interview + Live Coding ~1-1,5h
   1. A meeting with our technical specialist to discuss your home task solution, followed by live coding to evaluate your skills in real-time.
4. Interview with the VP R&D & BiltOn's HR Interview ~30min
   1. An interview with our Chief Technical Officer to discuss your experience, vision for development, and alignment with our culture.
   2. +HR Interview with the Customer
      1. The final meeting with our HR manager and our customer to clarify details and make the final decision.

We’re looking for someone who doesn’t just “close tickets,” but wants to be part of the product, influence it, and see the real impact of their work.
If this resonates with you - we’d love to connect 🙂

Requirements
• At least 3 years of proven experience as a Business Analyst in the software development industry.

• Experience in Presales and Discovery phase activities.

• Experience of participation in 2-3 commercial projects simultaneously.

• Strong analytical and problem-solving skills, with the ability to translate business needs into clear requirements.

• Proficiency in requirement management and visualisation tools.

• Knowledge of BA techniques (Backlog Management, Document Analysis, Backlog Decomposition and Prioritisation, User Stories and Use Cases creation, Process Analysis and Modeling, Interviews, Workshops).

• Familiarity with different methodologies (Agile, Waterfall) and the ability to adapt to project-specific requirements.

• Excellent communication and presentation skills, with the ability to interact effectively with stakeholders.

• Ability to work independently and prioritise tasks in a fast-paced environment.

• Experience in using the Tasks tracker system, Confluence, and Figma.

• Knowledge of English: Upper-intermediate and higher.

• Location: Ukraine.

• Willingness to take a polygraph test.

As a plus
• Experience with Open edX or other e-learning solutions.

• Experience with MilTech or GovTech.

Responsibilities
• Collaborate as a business analyst on projects, gathering and documenting business requirements, as well as stakeholders’, functional, and technical requirements.

• Participate in Presales & Tenders activities, including requirement gathering, solution design, and proposal development.

• Participate in Discovery phase activities, including the development of: product vision, user story map, backlog prioritisation, value stream map, BOM, non-functional requirement elicitation, and product roadmap, etc.

• Plan and conduct elicitation sessions to gather user requirements and understand business needs.

• Analyse and document internal business processes, identify areas for improvement, and suggest and implement solutions.

• Assist in improving and implementing business analysis and requirements management processes on projects.

• Work with Open edX, contributing to its customisation and integration to meet specific client needs or industry needs.

• Adapt to different project methodologies, such as Agile and Waterfall, as per project requirements.

We offer
• Remote work with flexible working hours.

• Paid vacation: 20 days per year.

• Paid sick leave: 15 days per year.

• Family leave.

• Compensation for English courses.

• Compensation for educational and sports activities.

• Compensation for psychologists.

• Internal lectures and knowledge sharing.

Our client is an international product-based IT company specializing in the iGaming industry. Founded in 2014, the company has been successfully operating on the market for more than 11 years, bringing together a team of 390+ professionals. Starting as a leader in the CIS region, the company is now actively expanding on a global scale.

We are currently looking for a Middle/Senior Media Buyer to join the media buying team and work with scalable traffic across different GEOs and tiers.
 

📋 Key responsibilities and your contribution:

— Launch, manage, and scale Facebook advertising campaigns across Tier 1 / Tier 2 / Tier 3 GEOs.

— Full ownership of traffic performance and financial results, including PnL responsibility.

— Analyze and optimize key performance metrics: ROI, CR, CTR, CPM, CPA, PnL.

— Scale profitable campaigns without artificial budget caps.

— Work closely with offers, creatives, agencies, and internal teams to improve campaign efficiency.

— Test and adapt strategies based on changes in GEOs, offers, platforms, and market conditions.

— Identify bottlenecks in funnels and processes, propose and implement optimization solutions.

— Maintain clear communication, task-setting, and feedback loops within the team.
 

📚 Your qualifications:

— 2+ years of experience in media buying / traffic arbitrage.

— Deep understanding of Facebook Ads ecosystem and traffic acquisition mechanics.

— Proven experience managing monthly budgets from $50,000.

— Strong analytical mindset and confidence working with performance metrics and profitability models.

— Hands-on experience with analytics and tracking tools such as Power BI, Google Sheets, Voluum, Binom, Keitaro (or similar).

— Experience working with offers, creatives, and external partners (agencies, vendors).

— High level of responsibility for results and readiness to work with CRM and PnL models.

— Strong communication skills and ability to give and receive constructive feedback.

— Critical thinking, initiative, flexibility, and adaptability in a fast-changing environment.
 

Benefits:

⭐ Competitive base salary + performance bonus up to 40% of profit, top and private offers, including in-house products.

⭐ Days of recovery: 20 paid vacation day per year and unlimited sick leave days.
⭐ Health: corporate medical insurance, a company psychologist and a Cafeteria of Benefits for personal wellness choices.
⭐ Education: a variety of foreign languages course for you to choose from. Also we are open for your development and you can choose different courses /training for improving your skills.
⭐ Compensation: additional benefits that can be used according to company policy, e.g. paid business trips, international conference opportunities, lunch perks at our offices etc.
⭐ Work Environment: work remotely or from one of our offices in Cyprus, Portugal, Poland, equipped with the equipment you’ll need for success.

⭐ Full freedom and hands-on involvement: opportunity to work across multiple directions — arbitrage, product media buying, various GEOs and tiers — without being locked into one narrow scope.

We are looking for an experienced Senior .NET Developer to join our engineering team and help build a modern FinTech platform. You'll play a key role in designing scalable solutions, driving technical decisions, and mentoring other developers.

Responsibilities:

- Design, develop, and maintain scalable backend applications.

- Build and optimize high-performance APIs and services.

- Contribute to system architecture and technical strategy.

- Conduct code reviews and mentor team members.

- Collaborate with Product, QA, and DevOps teams.

- Ensure high code quality and system reliability.

Requirements:

- 5+ years of commercial experience with C#/.NET.

- Strong expertise in .NET Core / .NET 8 and ASP.NET Core.

- Extensive experience designing REST APIs.

- Strong knowledge of SQL and database optimization.

- Experience with Entity Framework Core.

- Solid understanding of microservice architecture.

- Hands-on experience with Docker and Kubernetes.

- Experience with Azure or AWS.

- Deep understanding of OOP, SOLID, and design patterns.

- Upper-Intermediate English or higher.

Nice to Have:

- Experience with message brokers (RabbitMQ, Kafka, Azure Service Bus).

- Experience with Redis.

- Background in FinTech, banking, or payment systems.

- Experience mentoring developers and leading technical initiatives.

Key Responsibilities

• Directly manage, mentor, and evaluate a team of test engineers and technicians, ensuring clear task delegation and highly structured workflows.
• Establish and enforce a culture of strict discipline, accountability, and adherence to standard operating procedures (SOPs) and safety protocols across all field activities.
• Develop, systematize, and enforce rigorous testing procedures to ensure maximum consistency, safety, and traceability of all operations.
• Organize and conduct complex technical training, including repair and maintenance procedures and exercises for operators and technical personnel.

• Develop and implement field testing methodologies, validation procedures, and acceptance criteria for autonomous robotic systems and their mechanical and control subsystems.
• Plan, organize, and conduct internal, field, and operational tests for unmanned ground platforms.
• Note: A significant portion of your work will involve field testing and product trials at proving grounds/proving fields across Ukraine under various weather and environmental conditions.

• Analyze, document, and systematize testing results, preparing detailed technical reports and recommendations for both mechanical and control subsystems.
• Collaborate closely with hardware and software engineers to validate new features and drive continuous system improvements.
• Participate in the development, evaluation, and implementation of new technical solutions aimed at improving overall system performance and reliability.
• Support troubleshooting and root-cause analysis of technical issues identified during testing and operation.

Qualifications

• Proven track record in direct people management, including building, structuring, and leading technical teams in highly dynamic environments.
• Demonstrated commitment to procedural compliance, with a strong ability to instill discipline and maintain a highly organized, predictable working environment.
• Strong leadership and organizational skills with experience managing teams and coordinating personnel in complex, multitasking environments.

• A proven track record with 3+ years of experience in a similar role, such as hardware testing, robotics validation, or field engineering.
• Strong experience in developing testing methodologies and validation processes for complex mechanical and control systems is a must.
• Knowledge of electrical engineering principles and experience in troubleshooting and diagnosing electrical circuit faults is a must.
• Experience in creating technical documentation, executing structured analysis, and reporting test results.
• Proven experience in organizing and conducting technical trainings for direct users.
• Strong analytical thinking and problem-solving skills.

• Willingness to travel extensively for business trips across Ukraine.
• Both a valid driver’s license and driving experience on a mechanical (manual) gearbox are mandatory.
• Technical education in mechatronics, electronics, mechanics, or related fields, as well as a background in robotics, will be a plus.

• Work on innovative UAV and drone technologies
• Participation in R&D projects developing new aerial systems
• Official employment
• A team environment where initiative and technical curiosity are encourage

💻 Кого ми шукаємо:

🧠 Створюй майбутнє ресторанного бізнесу разом з нами!

Project Description:

We are seeking a highly motivated and technically proficient QA Automation Engineer to join our dedicated testing team. You will play a crucial role in ensuring the successful and high-quality delivery of software products for our client, a prominent American multinational automaker.
This position offers a challenging and dynamic environment within a multicultural international team, demanding strong problem-solving skills and a proactive approach.

Responsibilities:

Design, develop, and execute robust automated test scenarios on a daily basis, utilizing Python as the primary scripting language.
Framework Management: Actively contribute to a new and maintain the existing automation frameworks
Ensure comprehensive test coverage by writing detailed test scenarios
Engage in specialized testing of automotive systems, including validation of in-vehicle components
Work closely with developers, business analysts, and product owners within the Scrum framework, actively participating in sprint planning and daily stand-ups.

Mandatory Skills Description:

Prior work or experience with embedded or automotive systems, especially in the context of multi-ECU scenarios.
Experience developing, debugging, and maintaining Python code for automated testing.
Thoroughly analyze logs, and quickly resolve issues within automated testing pipelines.
Knowledge managing Python virtual environments and dependencies.
Knowledge Git for version control and JFrog Artifactory for artifact management in a collaborative, automated test environment.
Ability to read and follow technical documentation in English.
Strong communication skills for collaboration with developers, testers.

Nice-to-Have Skills Description:

Experience with test automation for automotive multimedia, connectivity, and driver-assistance features.
Hands-on expertise with modern test automation frameworks, especially those supporting Behavior-Driven Development (BDD) and keyword-driven testing.
Skilled in translating requirements and Gherkin scenarios into robust, executable automation logic.
Ability to analyze, optimize, and troubleshoot both hand-written and AI-generated Python test scripts for reliability and maintainability.
Hands on experience with testing of ADAS features such as Camera, Parking Assist, and Driving Assistance modules.
Exposure to automotive communication protocols (e.g., CAN, LIN, Ethernet).

Languages:

English: B2 Upper Intermediate

Commpeak is a leading cloud communications platform that helps businesses connect with customers through voice, messaging, and omnichannel communication solutions. Trusted by global businesses, we combine innovative technology with a data-driven approach to help companies scale their customer engagement.

We’re looking for a Senior Marketing Manager to become our first in-house marketing expert, fully embedded within the Product team. This is a hands-on role with high ownership, where you’ll be responsible for driving marketing strategy and execution across acquisition, conversion, and retention.
 

Responsibilities:

• Own and execute marketing initiatives across SEO, GEO, PPC, and brand marketing.
• Build, manage, and optimize paid campaigns across Google, LinkedIn, Bing, and other relevant platforms.
• Monitor daily performance metrics, including spend, leads, sign-ups, and conversions.
• Conduct SEO audits and drive improvements from analysis to implementation.
• Lead A/B testing and conversion rate optimization initiatives.
• Partner with Sales to improve lead quality and with Customer Success to increase LTV and reduce churn.
• Brief and collaborate with Content and Design teams on campaign assets and experiments.
• Report on marketing performance, ROI, and key initiatives to stakeholders.
• Propose new growth initiatives and execute them autonomously.

Requirements:

• 5+ years of B2B marketing experience.
• Experience working in companies with 100+ employees.
• Proven ownership of marketing budgets and performance reporting.
• Strong hands-on expertise in: SEO, PPC, GEO (Generative Engine Optimization) (mandatory)
• Strong analytical mindset with experience in A/B testing, funnel optimization, and ROI measurement.
• Excellent cross-functional communication skills.
• Experience working closely with Product, Sales, and Customer Success teams.

Tools & Platforms:

• Google Ads
• LinkedIn Ads
• Google Analytics
• Google Search Console
• SEO and performance analytics tools

Strong Plus:

• Experience in the VoIP, telecommunications, or voice-tech industry.
• Experience being the first or sole marketing hire in a growing company.
• Success Metrics

Primary Metrics:

• LTV
• Marketing ROI

Supporting Metrics:

• CAC
• Conversion rates
• Funnel performance
• Lead quality
• Customer retention and churn

What We Offer:

• Fully remote work environment.
• B2B / self-employed cooperation model.
• Accounting assistance and support.
• Company-provided equipment.
• Budget for courses and professional development.
• Team events and workshops.
• Strong HR support and people-first culture.

Growth Opportunity:

Once you’ve demonstrated impact, you’ll have the opportunity to hire and mentor a Junior Marketing Manager and help build the marketing function.

Hiring Process:

• Recruiter Screen
• Interview with Head of Product
• Skills Assessment
• Final Interview with the Co-founder and the Team

Format: Remote
Type: Full-time
Level: Middle/Senior

Gravira Group — a fast-growing international iGaming company — is looking for a results-driven Senior Affiliate Manager to strengthen our affiliate department and scale high-quality traffic from Tier-1 markets - CA and DE.

This role is for someone who thrives on results, takes ownership, and understands how to build strong, revenue-driving partnerships with affiliates.

Key responsibilities:

• Search, onboard, and manage affiliates and webmasters with high-quality traffic (FB/SEO/ASO/PPC) — including cold outreach
• Build and maintain long-term relationships with partners and ensure performance growth
• Analyze traffic sources, performance metrics, and ROI (ROMI 100%+ is the goal)
• Negotiate deals, optimize campaigns, and ensure top-performing partnerships
• Collaborate with the marketing and product teams to launch new offers and improve conversions
• Monitor daily statistics, payments, and fraud indicators
• Expand and diversify traffic channels across CA, DE, AT (Europe Tier-1)
   

Requirements:

• 2+ years of experience as an Affiliate/Partner Manager in iGaming
• Proven expertise working with CA, DE, and AT markets
• Strong understanding of affiliate management, traffic arbitrage, and performance marketing principles
• Hands-on experience with analytics systems and affiliate software (Postback, Voluum, Binom, Keitaro, etc.)
• Analytical mindset and data-driven decision-making
• Excellent negotiation, communication, and presentation skills
• Financial literacy and a goal-oriented approach
• English — Upper-Intermediate (B2) or higher
   

Would be a plus:

• Your own affiliate/webmaster database (Tier-1)
• Experience in cold outreach and onboarding new affiliates
• Existing partnerships with SEO/ASO /PPC webmasters
• Experience working in startups or dynamic iGaming environments
   

What we offer:

• Fully remote position with flexible working hours
• 20 days of vacation and paid sick leave
• Work with Tier-1 traffic and high budgets (Canada, Germany, Austria)
• A culture that values ownership, speed, and transparency
• Competitive compensation (base + % of profit)
• Opportunity to implement your own affiliate strategy and grow with the company
• Work in a result-oriented team that expects measurable performance from day one

We are looking for a talented Middle strong C++ Developer with 3.5+ years of programming background to make consistent, high-quality code contributions to a mature, high-performance C++ product in the energy commodities trading domain.
This is not a from-scratch build — you’ll be joining a live, production trading system where every millisecond counts, with real opportunity to influence the technical direction of a core part of the platform.

JOB REQUIREMENTS:
Must have:

• 3.5+ years of professional experience in software development
• Deep expertise in Modern C++ (17/20/23): move semantics, constexpr, templates, etc.
• Strong experience with Linux / POSIX environments
• Proficiency with build systems and tools: CMake / vcpkg, Git
• Hands-on experience with concurrency and shared memory tools
• Networking skills: ZeroMQ (or similar), low-level socket programming (TCP/UDP)
• Proficiency in using AI coding tools (Cursor, Claude, Codex, etc.) to enhance the development workflow
• English: Upper-Intermediate or Advanced

Nice to have:

• Experience with Svelte
• Familiarity with kdb+, TypeScript, and code generation tools
• Experience in Financial or Trading domains (FIX Protocol, OMS, market data feeds like ITCH/OUCH)
• Knowledge of Redis or other in-memory data stores
• Familiarity with the Qt framework
• Team lead experience (optional, not required)

WHAT WE ARE LOOKING FOR:

• Autonomy: You excel at working independently, learning on your own, and figuring out large, unfamiliar codebases without external support.
• Ownership: You are ready to take full responsibility for the core part of the system.
• Assertiveness: You can clearly communicate your technical vision and demonstrate your project understanding effectively.

PROJECT
Customer: Global company based in the US, serving large international clients.
Type: Fintech / trading platform
Product: A live, high-performance market order and trading system designed as an exchange for energy commodities. The platform connects global buyers and sellers of specialized commodities, providing trading, data insights, and market infrastructure used by large enterprises, financial institutions, and government agencies.
Market: Global — primarily US and European markets, serving corporations, financial institutions, and governments across multiple regions.
Stage: Existing, established platform. The Markets Engineering team is expanding internationally.
Project team: C++ and UI developers (team of 4-6), reporting to a Lead C++ Engineer. [confirm exact composition with HM]
Technical stack: Modern C++ (17/20/23), Linux/POSIX, CMake, vcpkg, Git, ZeroMQ, shared memory, TCP/UDP sockets; Svelte, TypeScript, kdb+, Redis, Qt (adjacent/nice to have)
Work schedule: Full-time working day, fully remote.
Key achievements:

• Large international customer with a portfolio of large international clients
• Real opportunity to set the direction for a mature product

INTERVIEW STAGES:

1. Intro call with recruiter
2. Technical interview (TechMagic)
3. Client test task
4. Client interview

Part-time, 3-4 hours a day

No need for the US time overlap, but should be available for meeting from 9 AM – 12 PM ET

On behalf of our Client from USA, Mobilunity is looking for a  Data Scientist

We are looking for a Senior Data Scientist with expertise in Large Language Models (LLMs) and
Generative AI to lead the design and delivery of end-to-end AI systems that generate
high-quality insights from complex unstructured datasets. This role requires strong ownership
across the full lifecycle from data preparation and model fine-tuning to RAG pipeline architecture
and scalable deployment on AWS.

Key Responsibilities:

• Architect and implement end-to-end LLM-based solutions for insight generation and
  automation
• Lead the design and optimization of Retrieval-Augmented Generation (RAG) pipelines,
  including ingestion, chunking strategies, embedding generation, indexing, and retrieval tuning
• Fine-tune, evaluate, and optimize LLMs using advanced techniques (e.g., instruction tuning,
  LoRA)
• Define and enforce best practices for data preprocessing, cleaning, normalization, and
  transformation across diverse data sources
• Provide hands-on guidance and code/data reviews for existing data scientists
• Help the team develop practical intuition for LLM fine-tuning and evaluation
• Establish simple, repeatable workflows for experimentation and iteration
• Prevent over-engineering and ensure focus on business outcomes
• Design scalable and cost-efficient AI/ML solutions leveraging AWS services
• Own the development of vector search infrastructure and embedding pipelines
• Establish robust evaluation frameworks for LLM outputs (accuracy, relevance, hallucination reduction)
• Collaborate cross-functionally with engineering, product, and business stakeholders to
  translate requirements into AI solutions
• Drive MLOps best practices including versioning, monitoring, CI/CD, and performance
  optimization
• Ensure data governance, security, and compliance in all AI workflows

Required Skills & Qualifications:

• Master’s or PhD in Computer Science, Data Science, Machine Learning, or related field (or equivalent experience)
• 3+ years of experience in data science, machine learning, or applied AI roles
• Experience mentoring or leading data scientists in applied ML/LLM projects
• Proven experience designing and deploying LLM-based solutions in production
• Hands-on experience fine-tuning open-source LLMs (Llama, Mistral, Qwen)
• Experience with LoRA / QLoRA approaches
• Ability to work with limited datasets and iterate quickly
• Strong understanding of trade-offs between model size, cost, and performance
• Strong expertise in RAG architectures and semantic search systems
• Deep understanding of NLP, embeddings, and transformer-based models
• Advanced proficiency in Python and ML frameworks (e.g., PyTorch, TensorFlow)
• Hands-on experience with vector databases (e.g., FAISS, Pinecone, OpenSearch, Weaviate)
• Strong experience with AWS ecosystem (e.g., S3, SageMaker, Bedrock, Lambda, EC2, Step
  Functions)
• Experience building scalable data pipelines and distributed systems
• Solid understanding of API design, microservices, and system integration

Mandatory skills:

real production experience with LLM
RAG pipelines (end-to-end)
fine-tuning (LoRA / QLoRA)
vector DB (FAISS / Pinecone / etc.)
AWS (S3, SageMaker, etc.)

Preferred Qualifications:

• Experience with RLHF, prompt optimization, and evaluation frameworks for LLMs
• Experience with real-time or streaming data pipelines
• Knowledge of cost optimization strategies for LLM workloads

English: B2

🏢 About the Company

MARIEMUR is an international premium lingerie and leather accessories brand that creates recognizable products from high-quality fabrics and leather.

The brand pays special attention to the quality of materials, thoughtful design, and craftsmanship, combining refined details with a bold and recognizable aesthetic. Today, MARIEMUR continues to grow and scale its international operations. Due to the company’s growth, it is looking for a Supply Chain Manager.

🎯 About the Role

We are looking for a Supply Chain Manager who will ensure the smooth operation of the international supply chain — from the moment production is launched until the products become available for sale.

You will work with already approved production orders and will be responsible for their full operational execution: timely production, international logistics, delivery of products to the warehouse, interaction with 3PL partners, and keeping operational information up to date for the team.

At the beginning, the role does not involve independent planning or calculation of purchase volumes. In the future, this area of responsibility may expand.

You will work closely with the Lead of Supply Chain.

💼 Conditions

• Full-time employment.
• Remote work format.
• Working schedule according to the GMT+3 time zone.
• Salary: $1,300–1,700.
• Probation period — 2 months.

📌 Main Responsibilities

🏭 Production Management

• Fully manage production orders after their approval.
• Maintain regular communication with international manufacturers.
• Monitor the production calendar and production timelines.
• Maintain and update the production calendar, ensuring transparency of the status of all orders for the team.
• Identify delay risks in a timely manner and coordinate their resolution.
• Coordinate repeat production launches.
• Monitor the readiness of products and packaging for shipment.
• Organize product inspections and coordinate partial shipments (Split Shipments) when necessary.
• Coordinate the purchase of materials and packaging for manufacturers that do not provide them independently.

✈️ International Logistics

• Plan and organize international transportation of products from manufacturers to the company’s warehouses.
• Work with air, ocean, and courier shipments.
• Coordinate the work of carriers, logistics partners, and customs brokers.
• Organize product shipments from factories.
• Prepare and verify Commercial Invoices, Packing Lists, Shipping Marks, customs documents, and other transportation documents.
• Monitor product delivery to warehouses.
• Resolve operational issues that arise during transportation.
• Manage corporate DHL, UPS, and FedEx accounts.
• Monitor transportation and logistics costs.

📦 Warehouses and 3PL

• Maintain daily operational communication with international warehouses and 3PL partners.
• Monitor the timely and complete receipt of shipments in accordance with agreed SLAs.
• Verify the completeness of goods receiving and promptly resolve discrepancies.
• Monitor the accuracy of warehouse inventory and product availability for sale.
• Monitor compliance with SLAs for picking, packing, and shipping customer orders.
• Initiate inventory counts and monitor the resolution of identified discrepancies.

🧾 Packaging and Operational Reporting

• Monitor packaging material inventory levels.
• Coordinate the production and delivery of packaging to manufacturers and warehouses.
• Monitor packaging readiness for production launch.
• Maintain up-to-date reporting on production, shipments, inventory, and logistics.
• Collect and update data for product cost calculation.
• Analyze inventory and slow-moving SKUs.
• Participate in the improvement and automation of operational processes.

✅ Our Expectations
 

• At least 2 years of experience in Supply Chain, Logistics, or Operations.
• Confident proficiency in Excel / Google Sheets, including Pivot Tables, VLOOKUP/HLOOKUP, and basic data analysis. 
• Practical experience working with international manufacturers, including manufacturers in China.
• Experience supporting production orders from approval until the goods arrive at the warehouse.
• Understanding of the China → USA and Ukraine → USA delivery process.
• Experience working with air, ocean, and courier shipments.
• Understanding of international documentation flow and customs clearance.
• Experience preparing or verifying Commercial Invoices, Packing Lists, and other shipping documents.
• Experience working with international warehouses or 3PL partners.
• Fluent written English and confident communication with international partners.
• A high level of self-organization, attention to detail, and responsibility for results.
• Ability to independently monitor processes, meet deadlines, and work without constant reminders.
• Flexibility and the ability to respond quickly to changes and operational risks.

⭐ Will Be an Advantage
 

• Experience with international B2C logistics and e-commerce, including shipping orders from the US to European countries, working with customs procedures, VAT, DDP/DDU, and international carriers 
• Experience in fashion, lingerie, apparel, accessories, or another category of premium physical products.
• Experience working with a large number of SKUs and product variations.
• Experience calculating COGS.
• Experience improving processes, creating instructions, or implementing automations.

🚀 What the Company Offers
 

• Work with an international luxury brand with a clear and recognizable concept.
• A small, dynamic team that values quality of work and makes decisions quickly.
• The opportunity to directly influence the stability and development of the international supply chain.
• Space for professional growth and the gradual expansion of the area of responsibility.
• The opportunity to participate in process improvements and the implementation of digital tools, AI, and automations.
• Work with international manufacturers, logistics partners, and the US and European markets.

⚡️Join MARIEMUR and help build a supply chain that keeps a growing international brand moving — seamlessly, precisely, and on time. ⚡️

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 detail-oriented and analytical Technical Writer. In this role, you'll transform complex business and technical requirements into clear, structured documentation that drives product development and supports internal teams. You'll work closely with stakeholders to document product requirements, eliminate ambiguity and ensure every feature is thoroughly documented. The ideal candidate is naturally curious, enjoys diving into technical details and believes that high-quality documentation is essential to building great products

Responsibilities:

• Document business and technical requirements for existing and new product functionality

• Analyse, clarify and document functional and non-functional requirements for IT team

• Create and maintain product specifications, user stories, acceptance criteria, process documentation and technical guides

• Maintain and continuously improve internal product documentation

• Collaborate closely with Product, IT and Stakeholders throughout the product development lifecycle

• Identify documentation gaps and inconsistencies

• Ensure documentation remains accurate and up to date as products evolve

• Contribute to documentation standards, processes and best practices 

Requirements:

• 2+ years of experience as a Technical Writer, Business Analyst, Product Analyst or in a similar role within a fintech environment: EMI, PSPs, Banks or SaaS companies

• Proven experience analysing and documenting business and technical requirements

• Exceptional attention to detail and the ability to organise complex information into clear, structured documentation

• Experience writing functional specifications, user stories, acceptance criteria, process flows and technical documentation

• Hands-on experience with API documentation and testing tools

• Experience working with Jira and Confluence

• Strong communication skills with the confidence to challenge unclear or incomplete requirements

• B2+ level of English

Nice to have:

• Understanding of payment processing, transaction lifecycles, KYB and AML processes

• Familiarity with AI tools and their application to documentation workflows

• Basic understanding of software development processes

• Own your work with no excuses.
• Take initiative and act before being told.
• Deliver results that make a real impact.
• Solve problems quickly with practical solutions.

• Annual Learning & Development Budget – invest in your growth with dedicated funds for courses, training, and certifications.
• Regular Performance Reviews Based on KPIs – for your professional growth.
• 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.
• Innovation Financial Rewards – share your ideas through our PayDo Ideas Hub and earn extra bonuses.