Jobs at Djinni

We are looking for a Senior Data Scientist on behalf of our client – an early-stage Israeli startup revolutionizing the real estate investment space through AI and alternative data. The company is building an intelligent platform that helps investors identify high-return opportunities at the ZIP-code level using predictive analytics, risk modeling, and automated investment strategies.

This is a hands-on role where you’ll work directly with large-scale, unconventional data sources—from mobility signals to social trends—to build models that forecast property values, rental income, and market shifts before they become obvious to the broader market. You’ll collaborate with engineering and product teams to make data science a core driver of the platform’s success.

Key Responsibilities:

• Design and build predictive models for real estate pricing, rent forecasting, and investment potential at the micro-geographic level (ZIP code).

• Analyze and integrate alternative datasets such as location mobility, social indicators, and macroeconomic data to improve model accuracy.

• Develop, train, and validate machine learning models (XGBoost, linear regression, neural networks, time-series forecasting, etc.).

• Work closely with engineers to integrate models into the production environment.

• Build internal dashboards and data visualization tools to help investors make data-backed decisions.

• Contribute to shaping the overall data infrastructure and tooling.

• Collaborate with company leadership to ensure data insights are embedded in key business decisions.

Requirements:

• 5+ years of experience in Data Science, Machine Learning, or AI.

• Strong proficiency in Python (Pandas, NumPy, Jupyter) and data manipulation techniques.

• Solid SQL skills – writing optimized queries, complex joins, aggregations.

• Experience building and deploying supervised machine learning models.

• Knowledge of time-series forecasting and working with real-world, noisy data.

• Ability to communicate complex analytical insights to both technical and non-technical stakeholders.

• English at a high professional level.

We are looking for a Computer Vision Engineer to optimize deep learning models for real-time object detection and tracking in mobile and dynamic environments.

Required Qualifications: 

• 5+ years of experience in computer vision
• Expert in Python
• Proficiency in C++
• Extensive experience with Deep Learning and the PyTorch framework for computer vision tasks
• Applied experience with Neural Networks for object detection, tracking, and feature embedding
• Experience with model optimization techniques: quantization, pruning and neural network compilers
• Hands-on experience in implementing CV pipelines

Nice to have:

• Experience with DL on edge devices
• Experience with point tracking and single object tracking systems

Dear Candidate, please be advised that only applicants located in Europe will be considered for this position.

We are looking for a skilled Fullstack Developer (Java + Angular) to join our team and help us build scalable, high-performance applications. This role involves working across both backend and frontend, ensuring seamless integration and excellent user experience.

✅ Requirements:

• 3-4 years of professional experience as a Fullstack Developer
• Strong proficiency in Java (Spring / Spring Boot) for backend development
• Hands-on experience with Angular (latest versions) for frontend development
• Solid understanding of RESTful APIs and web services
• Experience with SQL / relational databases
• Knowledge of HTML5, CSS3, TypeScript, JavaScript
• Good understanding of software architecture principles
• English — Upper-Intermediate (B2) or higher
   

➕ Nice to have:

• Familiarity with microservices architecture
• Experience with Docker / Kubernetes
• Knowledge of cloud platforms (AWS, GCP, Azure)
• Experience with testing frameworks (JUnit, Jasmine, Karma, etc.)
• CI/CD knowledge (Jenkins, GitLab CI, etc.)
   

🛠 Tech stack we use:

• Backend: Java, Spring Boot
• Frontend: Angular, TypeScript, JavaScript, HTML5, CSS3
• Databases: SQL (PostgreSQL, MySQL, Oracle)
• Infrastructure: Docker, Kubernetes, Git, Jenkins
• Cloud: AWS / Azure

We are looking for a Computer Vision Engineer to optimize deep learning models for real-time object detection and tracking in mobile and dynamic environments.

Required Qualifications: 

• 3+ years of experience in computer vision
• Experience with Python
• Extensive experience with Deep Learning and the PyTorch framework for computer vision tasks
• Applied experience with Neural Networks for object detection and tracking
• Hands-on experience in implementing CV pipelines

Nice to have:

• Proficiency in C++
• Model optimization: quantization, pruning, neural network compilers
• Experience with DL on edge devices
• Experience with point tracking and single object tracking systems

Our customer is a leading North America online broker. The Senior Automation QA Engineer (.NET) will work within a Mobile development team. They will create and execute test cases for mobile applications using a combination of manual and automated testing strategies. 
 

About the team:
This a new team of 3 engineers: 2 .Net developers and an AQA who will work in the new PoC project. The goal of PoC is to build the services that provide an API for internal service usage. The project is related to the core trading platform of the customer. It requires a lot of work with transactions, SQL and a lot of data. So the AQA roles is to automate the testing process to ensure a smooth development and high quality standards for the customer. 
 

Responsibilities:

• Review business requirements to write test cases and test plans Identify and document all levels of testing including functional, integration, user acceptance and exploratory
• Analyze test results, troubleshooting issues and write up defects with a high level of detail
• Build and execute automated test cases
• Participate in the Agile ceremonies: story grooming, sprint planning, daily stand-ups, and retrospective
• Responsible for communicating daily progress, issues, risks
• Be highly collaborative with test and dev engineers and business partners to deliver the highest quality
• Be self-managed, but identify when escalation is needed
   

Requirements:

• 5+ years of professional experience in software testing with a strong focus on test automation.
• Proven expertise in .NET (C#) and the ability to deeply analyze and test complex backend code.
• Hands-on experience building and maintaining automation frameworks (UI/API/DB), with the ability to independently utilize and extend existing frameworks.
• Strong experience in API test automation (REST, gRPC, message-driven systems).
• Solid understanding of microservices architectures, distributed systems, and integration testing.
• Experience with unit, integration, and end-to-end testing frameworks (xUnit, NUnit, MSTest, Moq, etc.).
• Experience with SQL and databases (SQL Server, Entity Framework), including complex query validation.
• Experience with CI/CD pipelines (Azure DevOps, Jenkins, GitHub Actions) and test integration into release workflows.
• Knowledge of cloud platforms (preferably GCP)
• Proven experience in Agile/Scrum teams with ownership of QA processes.
• Upper-Intermediate English level
• Ukrainian language - Advanced or higher
   

We offer*:

• Flexible working format - remote, office-based or flexible
• A competitive salary and good compensation package
• Personalized career growth
• Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
• Active tech communities with regular knowledge sharing
• Education reimbursement
• Memorable anniversary presents
• Corporate events and team buildings
• Other location-specific benefits

*not applicable for freelancers

We are seeking an experienced Machine Learning Engineer specializing in Large Language Models (LLMs), Natural Language Processing (NLP), and AI Agents with background in ML. In this role, you will design, develop, and deploy cutting-edge language models and agent-based systems that drive innovation and deliver value across products and services.

Key Responsibilities

• Design, fine-tune, and optimize large language models (LLMs) for specific use cases and domains
• Develop and implement prompt engineering techniques to enhance model capabilities and performance
• Create autonomous AI agents capable of performing complex tasks through language understanding and reasoning
• Build retrieval-augmented generation (RAG) systems that combine LLMs with external knowledge sources
• Implement evaluation frameworks to benchmark LLM and agent performance across various metrics
• Optimize models for production deployment with attention to latency, throughput, and cost
• Design conversational flows and dialogue management systems for AI assistants
• Develop techniques to ensure responsible AI deployment, including safety guardrails and bias mitigation
• Stay current with the rapidly evolving NLP/LLM research landscape and implement state-of-the-art techniques  
• Prototype solutions in collaboration with the team and stakeholders.

• Manage and analyze large datasets to extract meaningful insights.

   

Requirements

• Strong experience with transformer-based models and frameworks (Hugging Face, PyTorch, TensorFlow)
• Practical experience fine-tuning, serving, deploying  and optimizing LLMs (e.g., GPT models, Llama, Claude, Mistral)
• Strong proficiency in Node.js (TypeScript) and Python.
• Expertise in building multi-agent systems using Large Language Models (LLMs)
• Expertise in NLP techniques including prompt engineering, embeddings, and semantic search
• Strong understanding of LLM evaluation methodologies and metrics
• Experience with vector databases and retrieval systems (Pinecone, Weaviate, Faiss, etc.)
• Familiarity with model quantization, distillation, and other optimization techniques
• Experience with LLM orchestration frameworks (LangChain, LlamaIndex, etc.) 
• Experience with multi-agent frameworks (such as CrewAI, LangGraph, AutoGen, or similar)
• Working knowledge of cloud platforms (AWS, GCP, Azure) for ML model deployment

• Proficiency with containerization technologies (Docker, Kubernetes)

   

Nice-to-Have skills:

• Experience with deploying high user loads production systems (nice to have but not strictly required)
• Knowledge of reinforcement learning from human feedback (RLHF) techniques
• Familiarity with LLM inference optimization (vLLM, TensorRT, ONNX)
• Experience with tools for LLM observability, evaluation, and debugging
• Experience with multimodal models combining text, vision, and audio
• Knowledge of LLM security, safety, and alignment techniques
• Experience with Azure Cognitive capabilities, specifically Extraction technologies using DocIntel or equivalent

Our engineering team is expanding and seeking a talented Golang Developer with a minimum production experience of 6 months to build backend web applications across diverse industries, including sports, healthcare, machine learning, fintech, hiring, and eCommerce.

Dive into the world of Golang development with us and be part of our journey to drive innovation using modern technologies and best practices.
 

What you'll be working on:

💻 Build REST APIs and applications with Go

✨ Assuring application stability with comprehensive unit and integration testing

🏗 Orchestrating app deployments using AWS

🏹 Crafting simple user interfaces for your APIs
 

Experience that will help you to do the job:

• Confident knowledge of Golang and Gin (or a similar framework)
• Familiarity with raw SQL queries, SQL query optimization, and database structure normalization
• Experience with AWS (services commonly used on the projects: S3, Lambda, Transcribe, ElasticBeanstalk, SQS, Bedrock, ElasticSearch)
• Knowledge of API documentation tools like Swagger or Postman
• Intermediate English level to be able communicate with team on the meetings
   

Experience that will be a plus:

• Deployment know-how on cloud platforms such as Google Cloud or Digital Ocean
• Knowledge in React (highly preferred) or other frontend frameworks
• Experience in setting up CI/CD pipelines
   

We care for our team, therefore we offer:

🚀 Interesting and challenging projects with modern technology stack

✅ Code reviews and constant feedback on your work

💪 Culture encouraging and promoting professional growth and development

💻 Modern working environment

💸 Competitive salary with review based on your results

⌚ Fully remote work in the team with well-established remote work processes (our team members located in 7+ different countries, and we encourage diversity)

🎤 English speaking clubs

🏖 Paid sick leave and vacation - 15 business days (21 calendar days) of annual vacation

👾 Online weekly team activities

🫶 Coverage of monthly psychologist support sessions

We are seeking a talented Talent Acquisition Specialist with a hands-on experience in recruiting non-tech professionals. As a Talent Acquisition Specialist you will play a pivotal role in identifying and securing exceptional candidates who possess skills and knowledge required for our success.

Explore opportunities at JustMarkets and become a part of our team of professionals!

Responsibilities

• Assist in hiring process by sourcing, screening and shortlisting, and interviewing candidates
• Develop and implement effective recruitment strategies to draw in a large number of qualified candidates in DevOps and Security deps
• Manage the recruitment process from job posting to hiring
• Focus on candidate experience, ensuring fast and effective communication with candidates and hiring managers throughout the process
• Collaborate with hiring managers to effectively manage their expectations and ensure success

Requirements

• 1+ years of relevant full-cycle recruiting experience
• Experience with DevOps and Security hiring position
• Experience of conducting competency-based interviews
• Clear and concise verbal and written communication skills, including Upper — Intermediate English

We offer

• 20 paid vacation days per year
• 10 paid sick leave days per year
• Medical insurance for employees
• Compensation for professional education and learning English
• Compensation for a sports subscription or sports equipment

Join our team — here you will find unlimited opportunities for personal and professional growth!

About the company
We are a group of product companies specializing in the development and promotion of mobile applications. Our main focus is iOS products with subscription-based monetization.
We are now launching a new direction — scouting, evaluating, and acquiring mobile applications. We work with investors who purchase apps as long-term assets, as well as acquire promising projects for our own growth.

Responsibilities:

• Search and analyze mobile applications for acquisition (ASO, monetization, growth potential).
• Work with marketplaces (Flippa and others), conduct negotiations, and close deals.
• Evaluate applications: traffic, profitability, promotion strategy, user metrics.
• Acquire and further develop applications within the company.
• Manage the company’s website and social media pages (LinkedIn, Facebook).
• Communicate with app owners.

• Build ROI and profitability forecasts for acquired assets.

   

Requirements:

• Experience in product management / business development / marketing or ASO.
• Strong understanding of subscription-based monetization models.
• English level B1–B2+ (written and spoken).
• 1.5+ years of experience as an analyst in mobile development (iOS/Android).
• Proficiency in SQL and experience with BI tools (Tableau, Looker, Power BI, etc.).
• Knowledge of mobile metrics (retention, ARPU, LTV, DAU/MAU, cohort analysis).
• Experience with Amplitude, AppsFlyer, or similar tools.

We offer:

• Competitive salary (base + performance bonuses).
• Modern office in the center of Warsaw.
• Career growth opportunities in the fast-growing mobile investments segment.
• Minimal bureaucracy and work in a professional, ambitious team.

We are seeking an experienced Senior Backend Engineer to join our dev department. Our backend is developed all in Python running in the cloud over k8s. It's not a typical backend interacting with a UI frontend, handling audio streams in real-time. Our systems integrate with a large number of third party services. Because of the myriad of challenges and the fast pace of a startup, each team member gets to experience a lot of professional growth and ownership. About the role:

In this role, you will:
● Integrate with new POS systems and digital menu boards
● Build data pipelines to process restaurant menus
● Support existing integrations and pipelines
● Debug and solve complex customer issues
● Lead communication with integration partners to deliver the integrations
● Estimate, plan and deliver the integration projects
● Handle a large set of complex and diverse customer issues
● Create documentation for integrations

Qualifications:
● BSc in Software Development or equivalent industry experience
● 5+ years experience in Python
● Strong backend development and software architecture skills
● Experience in developing and deploying multiple projects used in production
● Proficient with Async IO
● Experience with CI/CD, Clouds (AWS/GCP/Azure), Linux, Docker, Kubernetes, 3rd Party API integrations
● Experience with Data Pipelines, ETL
● Prior experience working in startups
● 2+ years of experience as a tech lead or team lead

Bonus:
● Knowledge of concurrency
● Experience with React

Qualities We're Looking For
● Resilience – being able to balance planned work with real-time issues in a fast-paced, high-pressure environment
● Strong communication skills – in both written and verbal communication, with the ability to produce crisp and clear documentation
● Problem solver
● Strong ownership and independence
● Team player
● Fast
● Star Performer
● Passionate about their work

Who are we looking for?

We are looking for a developer who is ready to join our team and start working together on our projects.

Tasks?

Your tasks will focus on the skills and expectations listed below and the use of new approaches and technologies.

Why did the job open?

We want to invite a new specialist to the company's staff due to the increase in the number of projects.

Requirements:

• B2 English (Upper-Intermediate);
• At least 4+ years of commercial experience with JavaScript;
• At least 3+ years of commercial experience with Node.js;
• At least 2+ years of commercial experience with React.js;
• Experience with TypeScript and Nest.js;
• Experience working with meta-frameworks over React (e.g., Next.js, Remix);
• Experience with RDBMS and NoSQL databases;
• Experience with implementing automated testing platforms and unit tests;
• Experience with REST;
• Experience with Redux/Mobx or other state management libraries;
• Familiarity with modern interface pipelines and assembly tools;
• Ability to communicate well with process participants and team members related to business;
• Experience in integrating with external APIs;
• Solid understanding of object-oriented and functional programming;
  Flexibility and ability to adapt to changes;
• Ability to work closely with Product Managers and Engineering Team-members;
• Experience working with message brokers such as RabbitMQ, SQS, or NATS;
• Understanding and practical knowledge of Secure Software Development Life Cycle (SSDLC) principles;
• Experience building AI-powered solutions;
• Knowledge of observability and monitoring practices, including implementation of metrics, logs, and traces based on industry best practices.
   

Good to have:

• Experience with DevOps;
• Experience with cloud services such as AWS, GCP or Azure;
• Experience with CI/CD processes;
• Experience with Unit/E2E testing;
• Understanding of design and architecture principles;
• Experience with Infrastructure as Code (IaC);
• Experience with solution and system architecture;
• Experience using AI tools to enhance productivity;
• Experience building advanced AI agents;
• Familiarity with emerging protocols and specifications for AI agent systems, such as MCP, A2A, and AG-UI.

Who are we looking for?

We are looking for a "self-starter" who is ready to join our team and start working together on our projects immediately or after training.

Tasks?

Your assignments will be based on the skills and expectations listed below, using new approaches and technologies.

Why did the vacancy open?

We want to invite a new specialist to the company's staff in connection with the increase in the number of projects.

Skills:

• English level at least Upper-Intermediate B2 (effective written and oral communication);
• Understanding: API testing process (using Postman, Swagger), basics of testing theory with practical application. Experience with basic tools for testing both web and mobile applications;
• Understanding the software development life cycle;
• Understanding the testing life cycle;
• Working with project documentation (User Story), planning and prioritizing testing;
• Ability to create and maintain test documentation (namely Checklist, Test Cases, Bug Reports, etc.);
• Strong analytical skills;
• Ability to work both independently and in a team;
• Working with designs in Figma;
• Problem solving, attention to detail;
• Вasic knowledge of automation.

What do we expect from you?

• Self-organization and independence in work;
• Attention to detail;
• Continuous training.

Project Duration: Until the end of January, with possibility of extension

Interview Process:

• Screening call with Hiring Manager
• Screening call (45 min) with Head of Software Engineering
• Technical interview (1h) with two engineers, following homework preparation

🧠 Project: Healthcare Software Platform

We are looking for a Scala Engineer with expertise in Play Framework to join a cross-functional Agile team. The engineer will work on containerized software deployed on customer sites and contribute to healthcare solutions. AI product for early lung cancer diagnostics

✅ Core Responsibilities:

• Develop and maintain backend services using Scala (Play Framework)
• Work with containerized software on Linux environments (Podman)
• Make updates and improvements to an existing React UI codebase
• Collaborate with DevOps, QA, and other engineers in Agile workflows (standups, sprints, retros, code reviews)
• Support integrations with hospital systems (Dicom, HL7)

🛠️ Must-Have:

• Scala (PlayFramework) – Primary skillset needed
• Linux
• Podman
• React UI – Comfortable making changes to existing codebase

🛠️ Nice to Have:

• Python – Used with ML algorithms
• Experience with hospital integrations
• Dicom
• HL7

Brights is looking for a Talent Sourcer with an understanding of the software development market!

Key Responsibilities:
• Source relevant candidates using various job search platforms(LinkedIn, Djinni, Dou);
• Headhunt leading experts;
• Screen CVs and select the most relevant candidates;
• Keep track of sourcing metrics;
• Conduct market analysis;
• Cooperate with a recruiter, HR, and hiring managers to understand talent needs.

Requirements:
• 1+ year experience in a Sourcer position in the IT field;
• Experience sourcing candidates for both technical and non-technical positions;
• Proficiency in using Djinni/LinkedIn for candidate sourcing;
• Ability to work with various job-search platforms;
• Intermediate written and spoken English (B1 level or above);
• Excellent communication and time-management skills;
• Being result-driven and flexible;

Would be a plus:
• Headhunting experience.

We offer:

• Transparent financial motivation;
• Remote workplace or a comfortable office in the center of Kyiv;
• 18 working days of paid leave annually;
• Unlimited sick days;
• Salary review twice a year;
• Work equipment, such as laptops, monitors, and accessories (only for candidates located in Ukraine);
• Compensation for our English-speaking club — 100%;
• Compensation for any AI tool of your choice — 100%;
• Compensation for coworking spaces — 100%;
• Compensation for gym memberships and professional courses — 50% (after the trial period);
• Compensation for any English courses — 50% (after the trial period);
• Compensation for sessions with a psychologist — 50% (after the trial period);
• Medical insurance (after the trial period).

 

Interview Stages:
Screening Interview➡️ Test Task ➡️ Interview with HR➡️ Job Offer

 

If you have the skills, passion, and determination we’re looking for, apply now to become part of our exciting journey ⭐️

Are you an organized and dynamic individual eager to dive into the world of Project Management in Crypto? We're looking for an Intern Project Manager to support our CEO in Business Development and Marketing. 
 

About GT Protocol: GT Protocol is a leading Web3 company in the cryptocurrency market since 2019, where we harness the power of Artificial Intelligence.
 

Application Process: Embark on a three-step journey towards potentially joining our Team:

1. First Stage: Project Manager Test Task.
2. Second Stage: An interview with our HR team to get to know each other better. This stage will take approximately 1 hour.
3. Third Stage: A technical interview session. This stage will take approximately 1 hour.
    

Key Responsibilities:

• Assist in overseeing and coordinating various projects, ensuring clear communication and timely execution.
• Help develop and maintain project schedules, track progress, and ensure adherence to deadlines.
• Collaborate with partners, agencies, and internal teams to drive project success.
• Provide regular project updates to the CBDO and CEO.
• Manage the founder's calendar, including scheduling meetings and appointments.
• Handle email correspondence and ensure efficient communication flow.
• Prepare and manage documents and reports, ensuring accuracy and timeliness.
   

Qualifications:

• Enrolled in or recently completed a Bachelor's degree in a related field.
• Some experience or coursework in Project Management, Business Development, or Marketing.
• Interest or basic knowledge in Web3 and crypto is a plus.
   

Required Skills:

• Strong organizational and time management skills.
• Excellent communication abilities in English (B2 level or higher).
• Proficiency in project management tools and office software.
• Capability to work independently and as part of a team.
   

Who You Are:

• An organized individual with creative thinking and attention to detail.
• Passionate about Project Management and Marketing.
• Ready to learn and grow in a fast-paced environment.
   

If you meet these requirements and are excited about the opportunity, we encourage you to apply for the Intern Project Manager position. We look forward to receiving your CV, portfolio, and cover letter.