Jobs at Djinni

We are looking for a Clinical LLM Engineer to work on real-world healthcare challenges, building LLM-powered solutions for clinical data extraction.

The platform is scaling across the US healthcare system, focusing on practical impact and improving care through better use of clinical data.

You will fully own prompt engineering and extraction quality, working directly with LLM APIs, while a separate team handles backend and infrastructure. Your focus will be on improving accuracy, system reliability, and adapting workflows as LLM capabilities evolve.

We offer:

• Flexible working hours;
• Paid vacation and sick leave;
• Health insurance;
• Professional growth opportunities;
• Internal English classes & compensation for courses;
• Legal and accounting support.
   

Requirements:

• 3+ years of Python development experience (data processing, scripting, automation);
• Hands-on experience with prompt engineering for LLMs in production;
• Experience working with US healthcare or clinical data;
• Strong understanding of unstructured data (text, PDFs, scanned documents);
• Experience with document classification or similar tasks;
• Experience with evaluation frameworks for LLM performance;
• Basic experience with cloud environments (AWS Lambda, EC2, simple pipelines);
• Experience with Git (GitHub);
• Understanding of Agile development practices;
• High English level.
   

Responsibilities

• Design and optimize prompts for accurate clinical data extraction;
• Adapt prompt strategies to handle real-world variability in medical documents;
• Build document classification workflows (labs, imaging, vaccines, etc.);
• Develop Python pipelines for LLM interaction and data processing;
• Evaluate and improve extraction quality across document types;
• Continuously adapt prompting approaches as LLM capabilities evolve.

Dataforest is looking for Head of Delivery / Head of Operations
This role carries full accountability for strategy execution, operational efficiency, team leadership, and business development across existing Dataforest projects.

Responsibilities:

•  Define and drive delivery strategy on each project, aligning execution with business goals, client expectations, and long-term scalability;
• Lead and continuously improve delivery processes across multiple teams to increase predictability, speed, and quality of execution;   
• Build and maintain strong client partnerships, ensuring transparency, trust, and clear expectations around timelines, scope, and delivery commitments;
• Take full ownership of delivery performance metrics (timelines, budget, quality, profitability), with a strong focus on delivery predictability and operational excellence;
• Support teams in planning, risk management, issue resolution, and change management to keep projects on track; 
• Coordinate up-sales and scope definition, ensuring realistic commitments, accurate estimations, and sustainable delivery models;
• Identify and allocate the right delivery resources (Tech Leads, designers, QA, PMs) in collaboration with internal teams to support timely execution;
• Monitor and manage key financial indicators (gross margin, earned value), ensuring delivery efficiency and profitability;                       
• Take full responsibility for budgets, operational efficiency, and financial performance.

• Act as a strategic partner to C-lvl and department heads in scaling delivery operations and introducing process improvements. 

   

Must have:

• 5+ years in Product Management, Operations, or Leadership roles.
• SWE background.
• Deep understanding of operational management principles and customer service. Experience building processes (PM and Delivery) in complex organizations.
• Experience at outsource companies.
• Strong analytical and systems thinking; data-driven decision-making.
• Proven experience in process optimization and cost reduction.
• Ability to work effectively in a multitasking and high-pressure environment.
• Proactivity, responsibility, and a results-oriented mindset.
• Confident proficiency in Ukrainian and English.

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.       

Looking for a highly skilled Quality Assurance (QA) Engineer to join our dynamic team. This role requires proven experience testing features from conception to production and experience working with automation frameworks, for example Playwright, to ensure the overall quality of our product.

About the Project

A US-based fintech/edtech product used by thousands of educational organizations. The platform replaces paperwork and manual processes, making financial flows transparent and efficient.
The product has scaled from schools to districts and state-level implementations.
The team has been working on the project for 7+ years — stable product, mature codebase, strong engineering culture.

We are looking for someone who thinks in systems, understands business value, and takes ownership of delivery.

Key Responsibilities

• Experience in manual testing from 3+years
• Perform comprehensive QA testing of new features. 
• Collaborate closely with Developers, Product Owners, and the wider QA team to see features through the entire software development lifecycle. 
• Experience designing, implementing, and executing automated tests using an automation framework (for example Playwright) to ensure high-quality software releases. 
• Create and manage detailed test cases and test plans. 
• Execute API testing to validate service layer functionality. 

Required Technical Skills

• Proven experience working with automation frameworks, for example Playwright. 
• JavaScript / TypeScript.
• Git.
• CI/CD (Continuous Integration/Continuous Delivery) familiarity.
• Strong knowledge of API testing. 
• End-to-End Testing.
• Test Case creation and management.

What you’ll get:

• Flat hierarchies and short decision paths, openness to new ideas.
• Flexible working schedule.
• Reimbursement for professional certification.
• Annual paid vacation — 18 working days.
• Paid sick leave — 10 working days.
• English classes.
• IT club card — applicable for Lviv region.
• Sport classes compensation.
• Comfortable office locations or remote work.

PwC is a global network of more than 370,000 professionals in 149 countries that turns challenges into opportunities. We create innovative solutions in audit, consulting, tax and technology, combining knowledge from all over the world.

PwC SDC Lviv, opened in 2018, is part of this global space. It is a place where technology is combined with team spirit, and ambitious ideas find their embodiment in real projects for Central and Eastern Europe.

What do we guarantee?

• Work format: Remote or in a comfortable office in Lviv — you choose.
• Development: Personal development plan, mentoring, English and Polish language courses.
• Stability: Official employment from day one, annual review of salary and career prospects.
• Corporate culture: Events that unite the team and a space where everyone can be themselves.

Join PwC Slovakia as a Junior AI Engineer, where you’ll have the opportunity to grow your skills and contribute to AI and data science solutions for leading global clients. This role is designed for developers and engineers who want to build, integrate, and deploy machine learning systems and data-driven applications. We are looking for candidates who enjoy coding in Python, working with data, and turning ideas into reliable, scalable solutions.

Project you could be involved in:

• Natural Language Data Exploration: Develop dashboards powered by AI for intuitive business data analysis.
• Document Interaction: Design tools enabling seamless interaction with unstructured and structured text documents.
• Knowledge Assistant: Implement ERP transformation with AI-powered tools to resolve employee inquiries efficiently.
• Agricultural Monitoring: Utilize Computer Vision for analyzing satellite imagery on a large scale.
• Automated Reconciliation: Create systems to identify anomalous transactions in accounting ledgers.

What You’ll Do:

• Project Participation: Participate in AI and data science projects from conception to deployment, contributing to solution design and supporting timely delivery of assigned tasks.
• Solution Development: Support the development of AI and ML solutions with a strong focus on Python-based implementation, working across areas such as Large Language Models (LLMs), RAG, classical machine learning and data analysis.
• Learning & Development: Continuously develop technical skills by following AI and data science trends, learning new approaches, and contributing to improvements of existing solutions and processes.

What We’re Looking For:

• Programming Skills (Key Requirement): Solid programming skills in Python (e.g. pandas, numpy, scikit-learn, plotly). Ability to write and understand code is essential. Experience with other programming languages is a plus.
• AI/ML Background: Hands‑on academic, project, or entry‑level experience with machine learning, data science, NLP, Computer Vision, or Generative AI (LLMs, RAG). The focus is on building or implementing solutions, not only using AI tools. Strong foundations in statistics and ML fundamentals are valued.
• Databases: Basic experience with SQL databases; familiarity with NoSQL databases is an advantage.
• Analytical Thinking: Strong analytical mindset with the ability to approach problems logically and creatively.
• Independence & Responsibility: Ability to work independently on assigned tasks and deliver results with guidance when needed.
• Language Skills: Fluent in English (B2 level or higher).

Policy statements:
www.pwc.com/ua/uk/about/privacy.html

About Us

We’re building a mental wellness app designed to deliver personalised, accessible, and impactful support to users worldwide. Our mobile app is already live and growing fast, and we’re now looking for a talented Backend Developer to join our team and help take the product to the next level.

The Role

You'll own and evolve the server-side logic that powers our apps — designing and shipping APIs consumed by mobile and web clients, strengthening our microservices ecosystem, and helping us scale reliably and securely. You'll work closely with frontend and mobile engineers, DevOps, and product.

Key Responsibilities
 API & Auth
 

• Design and maintain RESTful APIs for iOS, Android, and web
• Build high-throughput async endpoints
• Implement JWT auth flows and OAuth 2.0 social login (Apple, Google)

Microservices & Architecture
 

• Develop and maintain core services: User, Content, Tracking, Analytics, Notification
• Design stateless, fault-tolerant services for horizontal scaling
• Contribute to Golang services for high-concurrency analytics and notification dispatch

Database & Caching
 

• Write optimized PostgreSQL queries; design schema migrations indexes
• Implement time-based table partitioning for analytics and journal data
• Configure PgBouncer pooling, read/write splitting, and materialized views
• Build and invalidate multi-layer Redis caches (sessions, content metadata, preferences)

Integrations
 

• Apple HealthKit (sleep, HRV, mindful minutes, activity sync)
• In-app purchases: App Store API and Google Play Billing verification
• Push notifications via Firebase Cloud Messaging (iOS & Android)
• Stripe for web subscription payments; Amazon Polly for TTS in meditations

Security & GDPR
 

• GDPR features: data export (JSON), 30-day automated deletion, consent management
• AES-256-GCM encryption for sensitive mental health data fields
• Enforce TLS 1.3, HSTS, Perfect Forward Secrecy; contribute to RBAC and audit logging

DevOps & Quality
 • Maintain Dockerfiles and multi-stage build configs; participate in GitLab CI/CD pipeline
 • Support blue-green deployments and canary rollouts (10% traffic routing)
 • Write unit, integration, and contract tests using pytest

Requirements
Must Have
 • 5+ years backend development in Python
 • Confident working with the Flask and FastAPI frameworks.
 • Experience with Golang, JavaScript, and HTML.
 • VPS management skills on AWS: initial setup, application deployment, performance optimization, updates, security, and monitoring.
 • Experience working with Elasticsearch.
 • Strong PostgreSQL skills: schema design, query optimization, indexing, migrations
 • Redis for caching, session management, and rate limiting
 • JWT authentication, OAuth 2.0, and security best practices
 • Experience with pytest and contributing to CI/CD pipelines
 • Comfortable working in a Docker-based microservices environment
 • Knowledge of GDPR requirements and privacy-by-design practices
 • Proficiency with Git and collaborative workflows (GitFlow)

AI & Automation

• Strong understanding of AI-powered development workflows and modern AI tools
• Experience using AI-assisted coding tools such as ChatGPT, Claude, GitHub Copilot, Cursor, and Lovable
• Ability to leverage AI tools to improve development speed, debugging, documentation, testing, and code quality
• Understanding of AI integrations, LLM APIs, prompt engineering, and AI-assisted automation workflows
• Experience working with AI-generated code while maintaining high standards for security, scalability, and maintainability
 

About Us

We’re building a mental wellness app designed to deliver personalised, accessible, and impactful support to users worldwide. Our mobile app is already live and growing fast, and we’re now looking for a talented Backend Developer to join our team and help take the product to the next level.

The Role

You'll own and evolve the server-side logic that powers our apps — designing and shipping APIs consumed by mobile and web clients, strengthening our microservices ecosystem, and helping us scale reliably and securely. You'll work closely with frontend and mobile engineers, DevOps, and product.

Key Responsibilities
 API & Auth
 

• Design and maintain RESTful APIs for iOS, Android, and web
• Build high-throughput async endpoints
• Implement JWT auth flows and OAuth 2.0 social login (Apple, Google)

Microservices & Architecture
 

• Develop and maintain core services: User, Content, Tracking, Analytics, Notification
• Design stateless, fault-tolerant services for horizontal scaling
• Contribute to Golang services for high-concurrency analytics and notification dispatch

Database & Caching
 

• Write optimized PostgreSQL queries; design schema migrations indexes
• Implement time-based table partitioning for analytics and journal data
• Configure PgBouncer pooling, read/write splitting, and materialized views
• Build and invalidate multi-layer Redis caches (sessions, content metadata, preferences)

Integrations
 

• Apple HealthKit (sleep, HRV, mindful minutes, activity sync)
• In-app purchases: App Store API and Google Play Billing verification
• Push notifications via Firebase Cloud Messaging (iOS & Android)
• Stripe for web subscription payments; Amazon Polly for TTS in meditations

Security & GDPR
 

• GDPR features: data export (JSON), 30-day automated deletion, consent management
• AES-256-GCM encryption for sensitive mental health data fields
• Enforce TLS 1.3, HSTS, Perfect Forward Secrecy; contribute to RBAC and audit logging

DevOps & Quality
 • Maintain Dockerfiles and multi-stage build configs; participate in GitLab CI/CD pipeline
 • Support blue-green deployments and canary rollouts (10% traffic routing)
 • Write unit, integration, and contract tests using pytest

Requirements
Must Have
 • 5+ years backend development in Python
 • Confident working with the Flask and FastAPI frameworks.
 • Experience with Golang, JavaScript, and HTML.
 • VPS management skills on AWS: initial setup, application deployment, performance optimization, updates, security, and monitoring.
 • Experience working with Elasticsearch.
 • Strong PostgreSQL skills: schema design, query optimization, indexing, migrations
 • Redis for caching, session management, and rate limiting
 • JWT authentication, OAuth 2.0, and security best practices
 • Experience with pytest and contributing to CI/CD pipelines
 • Comfortable working in a Docker-based microservices environment
 • Knowledge of GDPR requirements and privacy-by-design practices
 • Proficiency with Git and collaborative workflows (GitFlow)

AI & Automation

• Strong understanding of AI-powered development workflows and modern AI tools
• Experience using AI-assisted coding tools such as ChatGPT, Claude, GitHub Copilot, Cursor, and Lovable
• Ability to leverage AI tools to improve development speed, debugging, documentation, testing, and code quality
• Understanding of AI integrations, LLM APIs, prompt engineering, and AI-assisted automation workflows
• Experience working with AI-generated code while maintaining high standards for security, scalability, and maintainability

About Us

We’re building a mental wellness app designed to deliver personalised, accessible, and impactful support to users worldwide. Our mobile app is already live and growing fast, and we’re now looking for a talented Backend Developer to join our team and help take the product to the next level.

The Role

You'll own and evolve the server-side logic that powers our apps — designing and shipping APIs consumed by mobile and web clients, strengthening our microservices ecosystem, and helping us scale reliably and securely. You'll work closely with frontend and mobile engineers, DevOps, and product.

Key Responsibilities
 API & Auth
 

• Design and maintain RESTful APIs for iOS, Android, and web
• Build high-throughput async endpoints
• Implement JWT auth flows and OAuth 2.0 social login (Apple, Google)

Microservices & Architecture
 

• Develop and maintain core services: User, Content, Tracking, Analytics, Notification
• Design stateless, fault-tolerant services for horizontal scaling
• Contribute to Golang services for high-concurrency analytics and notification dispatch

Database & Caching
 

• Write optimized PostgreSQL queries; design schema migrations indexes
• Implement time-based table partitioning for analytics and journal data
• Configure PgBouncer pooling, read/write splitting, and materialized views
• Build and invalidate multi-layer Redis caches (sessions, content metadata, preferences)

Integrations
 

• Apple HealthKit (sleep, HRV, mindful minutes, activity sync)
• In-app purchases: App Store API and Google Play Billing verification
• Push notifications via Firebase Cloud Messaging (iOS & Android)
• Stripe for web subscription payments; Amazon Polly for TTS in meditations

Security & GDPR
 

• GDPR features: data export (JSON), 30-day automated deletion, consent management
• AES-256-GCM encryption for sensitive mental health data fields
• Enforce TLS 1.3, HSTS, Perfect Forward Secrecy; contribute to RBAC and audit logging

DevOps & Quality
 • Maintain Dockerfiles and multi-stage build configs; participate in GitLab CI/CD pipeline
 • Support blue-green deployments and canary rollouts (10% traffic routing)
 • Write unit, integration, and contract tests using pytest

Requirements
Must Have
 • 5+ years backend development in Python
 • Confident working with the Flask and FastAPI frameworks.
 • Experience with Golang, JavaScript, and HTML.
 • VPS management skills on AWS: initial setup, application deployment, performance optimization, updates, security, and monitoring.
 • Experience working with Elasticsearch.
 • Strong PostgreSQL skills: schema design, query optimization, indexing, migrations
 • Redis for caching, session management, and rate limiting
 • JWT authentication, OAuth 2.0, and security best practices
 • Experience with pytest and contributing to CI/CD pipelines
 • Comfortable working in a Docker-based microservices environment
 • Knowledge of GDPR requirements and privacy-by-design practices
 • Proficiency with Git and collaborative workflows (GitFlow)

AI & Automation

• Strong understanding of AI-powered development workflows and modern AI tools
• Experience using AI-assisted coding tools such as ChatGPT, Claude, GitHub Copilot, Cursor, and Lovable
• Ability to leverage AI tools to improve development speed, debugging, documentation, testing, and code quality
• Understanding of AI integrations, LLM APIs, prompt engineering, and AI-assisted automation workflows
• Experience working with AI-generated code while maintaining high standards for security, scalability, and maintainability

Project overview:

Group107 is building a dedicated AI Unit to drive automation across the company and deliver AI-powered solutions for client projects.

We are hiring Junior AI Developers who think fast, learn faster, and are already productive with modern AI-assisted development workflows.

You will work directly under the Tech Director and grow into autonomous AI engineers capable of owning full delivery pipelines.

Requirements:

• 1+ year of hands-on software development experience (commercial or substantial personal projects)
• Demonstrable proficiency with AI coding tools: Claude Code, Cursor, GitHub Copilot, or equivalent
• Working knowledge of at least one: TypeScript/JavaScript or Python
• Experience deploying web applications (Vercel, Netlify, or similar)
• Understanding of LLM fundamentals: prompting, context windows, token management, tool use
• Ability to read, debug, and refactor AI-generated code critically — not just accept output blindly
• Git proficiency and basic CI/CD awareness
• Strong English communication (both written and spoken)
   

Nice to have:

• Experience with v0, Bolt, Lovable, Replit Agent, or similar AI app builders
• Familiarity with MCP (Model Context Protocol) and agentic AI patterns
• Contributions to open-source AI tools or published AI-related content
• Experience with RAG pipelines, vector databases, or embeddings
• Backend experience with Node.js, Next.js, or FastAPI
• Understanding of DevOps basics: Docker, serverless functions, edge computing
   

Responsibilities:

• Build internal automation tools and workflows using AI coding assistants (Claude Code, Cursor, Copilot)
• Develop and ship AI-powered features and full applications for client projects
• Prototype rapidly using vibe-coding methodology — prompt-driven development with AI pair-programming
• Integrate LLM APIs (Anthropic, OpenAI, open-source models) into production systems
• Deploy and maintain applications on modern platforms (Vercel, Cloudflare, AWS)
• Create and manage AI agents, MCP servers, and tool-use pipelines
• Evaluate, benchmark, and select AI models and tools for specific use cases
• Document solutions, write technical specs, and contribute to the internal knowledge base
  
  We offer:
• 20 vacation days (workdays)
• 7 sick days
• Personalized career growth
• Education reimbursement
• Corporate events and team buildings
• Equipment provided

About Us:

Atto Trading is a dynamic quantitative trading firm at the forefront of global high-frequency strategies. We are seeking a C++ Software Engineer to join our growing team. 

This position is open for relocation for in-office presence to Lisbon, Portugal or remote work from Ukraine, with in-office presence in Kyiv required once circumstances allow.

We are expanding an international, diverse team, with experts in trading, statistics, engineering, and technology. Our disciplined approach combined with rapid market feedback allows us to quickly turn ideas into profit. Our environment of learning and collaboration allows us to solve some of the world’s hardest problems, together. As a small firm, we remain nimble and hold ourselves to the highest standards of integrity, ingenuity, and effort. 


What You’ll Do:

• Design and deploy performance-critical components for large-scale trading infrastructure.
• Develop high-frequency trading (HFT) systems in C++ with an emphasis on low latency and reliability.
• Write modern, efficient code using the latest C++ standards.
• Interface directly with cutting-edge networking hardware via kernel-bypassing drivers.
• Conduct performance research to push the boundaries of our platform's speed and scalability.
  
   

What We’re Looking For:

• 3+ years of hands-on experience with C++ development.
• Deep understanding of C++ standards (C++14, C++17; C++20 is a strong plus).
• Hands-on experience with Python and/or Bash scripting.
• Proficiency with Linux environments and system-level programming.
• Solid grasp of multithreading, IPC, and concurrent systems.
• Strong skills in latency and throughput optimization, including experience with profiling and PGO.
• Knowledge of OOP and software design patterns.
• Bachelor’s degree in Computer Science, Computer Engineering, or a related technical field.
• Excellent attention to detail, with a critical and quality-focused mindset.
• Comfortable working independently or in small teams in a dynamic, high-speed environment.
• Strong communication skills and upper-intermediate (or higher) English proficiency.
• Curiosity and passion for financial markets and trading.
  
   

Nice to have:

• Experience developing high-performance, low-latency systems on Linux.
• Familiarity with OS internals and kernel-level networking.
• Understanding of financial instruments such as stocks, ETFs, futures, or options.
• Protocol-level networking knowledge (TCP/UDP/IP stack insights are a plus).

What we Offer:

• Competitive compensation package
• Performance-based bonus opportunities
• Healthcare & Sports/gym budget
• Mental health support, including access to therapy
• Paid time off (25 days)
• Relocation support (where applicable)
• International team meet-ups
• Learning and development support, including courses and certifications
• Access to professional tools, software, and resources
• Fully equipped workstations with high-quality hardware
• Modern office with paid lunches

Our motivation:

We are a company committed to staying at the forefront of technology. Our team is passionate about continual learning and improvement. With no external investors or customers, we are the primary users of the products we create, giving you the opportunity to make a real impact on our company's growth.

Ready to advance your career? Join our innovative team and help shape the future of trading on a global scale. Apply now and let's create the future together!

About Us:

Atto Trading is a dynamic quantitative trading firm at the forefront of global high-frequency strategies. We are seeking a C++ Software Engineer to join our growing team. 

This is a remote-first position based in Ukraine, with occasional in-office presence in Kyiv expected when conditions permit.

We are expanding an international, diverse team, with experts in trading, statistics, engineering, and technology. Our disciplined approach combined with rapid market feedback allows us to quickly turn ideas into profit. Our environment of learning and collaboration allows us to solve some of the world’s hardest problems, together. As a small firm, we remain nimble and hold ourselves to the highest standards of integrity, ingenuity, and effort. 


What You’ll Do:

• Design and deploy performance-critical components for large-scale trading infrastructure.
• Develop high-frequency trading (HFT) systems in C++ with an emphasis on low latency and reliability.
• Write modern, efficient code using the latest C++ standards.
• Interface directly with cutting-edge networking hardware via kernel-bypassing drivers.
• Conduct performance research to push the boundaries of our platform's speed and scalability.
  
   

What We’re Looking For:

• 3+ years of hands-on experience with C++ development.
• Deep understanding of C++ standards (C++14, C++17; C++20 is a strong plus).
• Hands-on experience with Python and/or Bash scripting.
• Proficiency with Linux environments and system-level programming.
• Solid grasp of multithreading, IPC, and concurrent systems.
• Strong skills in latency and throughput optimization, including experience with profiling and PGO.
• Knowledge of OOP and software design patterns.
• Bachelor’s degree in Computer Science, Computer Engineering, or a related technical field.
• Excellent attention to detail, with a critical and quality-focused mindset.
• Comfortable working independently or in small teams in a dynamic, high-speed environment.
• Strong communication skills and upper-intermediate (or higher) English proficiency.
• Curiosity and passion for financial markets and trading.
  
   

Nice to have:

• Experience developing high-performance, low-latency systems on Linux.
• Familiarity with OS internals and kernel-level networking.
• Understanding of financial instruments such as stocks, ETFs, futures, or options.
• Protocol-level networking knowledge (TCP/UDP/IP stack insights are a plus).

What we Offer:

• Competitive compensation package
• Performance-based bonus opportunities
• Healthcare & Sports/gym budget
• Mental health support, including access to therapy
• Paid time off (25 days)
• Relocation support (where applicable)
• International team meet-ups
• Learning and development support, including courses and certifications
• Access to professional tools, software, and resources
• Fully equipped workstations with high-quality hardware
• Modern office with paid lunches

Our motivation:

We are a company committed to staying at the forefront of technology. Our team is passionate about continual learning and improvement. With no external investors or customers, we are the primary users of the products we create, giving you the opportunity to make a real impact on our company's growth.

Ready to advance your career? Join our innovative team and help shape the future of trading on a global scale. Apply now and let's create the future together!

About us:

Atto Trading, a dynamic quantitative trading firm founded in 2010 and leading in global high-frequency strategies.
We are expanding an international, diverse team with experts in trading, statistics, engineering, and technology. Our disciplined approach, combined with rapid market feedback, allows us to quickly turn ideas into profit. Our environment of learning and collaboration allows us to solve some of the world’s hardest problems, together. As a small firm, we remain nimble and hold ourselves to the highest standards of integrity, ingenuity, and effort. 

Role Highlights: 

We’re looking for a Talent Sourcer / Recruiter to help identify and engage exceptional technical and quantitative talent. You will support sourcing, outreach, and interview coordination while learning to operate in a fast-paced, high-standard environment. 
This role is ideal for someone ambitious, detail-oriented, and motivated by performance and impact.

Please note: This role requires in-office presence in one of our locations - Kyiv, Ukraine or Lisbon, Portugal.

Responsibilities: 

• Build and maintain candidate pipelines for highly selective technical roles (quant research, software engineering, trading operations, infrastructure) to support current and future hiring needs.
• Proactively source, identify, research, and engage active and passive candidates via LinkedIn, GitHub, Djinni, job boards, referrals, and niche communities (quant, code/dev, competitive programming), leveraging creative sourcing strategies (Boolean search, social networks, community channels).
• Identify and shortlist relevant profiles based on experience, achievements, tech stack, and location.
• Conduct initial screening, including resume evaluation against role requirements.
• Run outreach campaigns and manage candidate engagement, including personalized messaging, follow-ups, screening requests, and pipeline nurturing.
• Partner with senior recruiters and hiring managers to support the full recruitment cycle, including interview coordination, scheduling, and calendar management.
• Maintain and update the ATS, ensure accurate daily candidate status tracking, and support overall pipeline hygiene.
• Support market and talent research (hiring trends, layoffs, competitors, new sourcing channels).

Requirements:

• Bachelor’s Degree.
• Upper-Intermediate or higher level of English.
• 2+ years of experience in technical recruitment, talent sourcing, or recruitment coordination in a fast-paced environment (software, fintech, gamedev or similar).
• Experience sourcing/recruiting in the US market.
• Proactive sourcing skills (LinkedIn Recruiter, Boolean search).
• Proficiency with modern recruiting tools (including LLM-based tools).
• Experience with ATS (Greenhouse, Lever, or similar) is highly beneficial.
• Strong communication and negotiation skills.
• Ability to work independently, proactively in a fast-paced, high-performance environment with high-quality standards.
• Strong organizational skills, attention to detail.
• Ownership mindset.
• Interest in the trading domain will be a plus.

What We Offer:

• Competitive compensation package
• Performance-based bonus opportunities
• Paid time off (25 days)
• Healthcare and sports/gym budget
• Mental health support, including access to therapy
• Relocation support (where applicable)
• Learning and development support, including courses and certifications
• Clear growth opportunities within the recruitment team
• Access to professional tools, software, and resources
• Fully equipped workstations with high-quality hardware
• Modern office with paid lunches
• International team meet-ups

Our motivation:

We are a company committed to staying at the forefront of technology. Our team is passionate about continual learning and improvement. With no external investors or customers, we are the primary users of the products we create, allowing you to make a real impact on our company's growth.

Ready to advance your career? Join our innovative team and help shape the future of trading on a global scale. Apply now and let's create the future together!

We are hosting the largest public online catalog of chemical compounds — over 11 billion compounds from suppliers from all over the world — and provide the researchers and procurement professionals with ultra-fast chemical and text searches for the best exploring and purchasing experience.

We combine expertise in chemical sourcing and procurement with one in building integration solutions for smooth and seamless ordering process. One of our main focuses now is building B2B products to cooperate with various Pharma companies.

We are opening a Product Owner position aiming to expand our business in SaaS model.

IN THIS ROLE YOU WILL:

1. Develop Product Vision:
   
    
   1. Engage closely with customers to define and continually refine the product vision, ensuring alignment with market needs and business objectives
   2. Translate customer needs into detailed product requirements
2. Manage Product Backlog:
   
    
   1. Create and maintain a comprehensive product backlog
   2. Prioritize backlog items based on value and strategic goals
   3. Facilitate backlog grooming sessions and ensure that the backlog is organized and actionable for the development team
3. Ensure Project Success:
   
    
   1. Coordinate project timelines and deliverables with customers.
   2. Monitor progress to ensure alignment with project goals and customer’s expectations
   3. Implement best practices to manage risks and ensure that project deliverables meet quality standards and customer satisfaction
4. Facilitate Communication:
   
    
   1. Serve as the main point of contact for product and project updates
   2. Keep stakeholders informed and engaged throughout the project lifecycle

WE ARE LOOKING FOR SOMEONE WHO HAS:

• Experience & Expertise:
• 3+ years in a similar role (Business Analyst/Product Owner)
• Experience with Jira Software
• Strong understanding of Agile methodology
• Skills & Proficiencies:
• Upper-intermediate English proficiency, with strong communication and writing skills in both Ukrainian and English
• Analytical mindset with the ability to understand and address complex business processes
• High attention to detail and strong responsibility
• Personal Attributes:
• A strong sense of ownership and pride in product development
• Capability to adjust to changing priorities and new challenges

WE OFFER:

• Competitive compensation depending on the experience and skills
• Flexible working hours
• Interesting business domain
• Comprehensive benefits package including sick leaves, annual vacation, medical insurance and sport compensations
• English language courses
• Individual annual budget on education
• Friendly working environment

Requirements

• Strong knowledge of PHP (1+ year of hands-on experience) and Laravel framework (1+ year);
• Basic understanding of front-end technologies: JavaScript, HTML5, CSS3;
• Experience with version control systems such as Git, Bitbucket, or similar;
• Hands-on experience integrating third-party APIs (Google, Facebook, and others);
• High level of self-organization, responsibility, creativity, and professional ethics;

• Strong communication skills and a proactive mindset. 

  Responsibilities

• Develop, maintain, and support company websites and web applications;
• Communicate with clients, clarify requirements, answer questions, and provide effective solutions;
• Participate in all phases of the software development lifecycle;
• Follow best practices in coding, security, and data protection, especially when working with sensitive data (API keys, tokens, etc.);

• Collaborate with the team to improve product quality and performance.

   

  We offer an opportunity to grow professionally, work on interesting projects, and be part of a supportive and dynamic team.

About the Position

We’re growing fast and looking for a Senior Backend Engineer to join our Engineering team and help build the infrastructure that powers our platform at scale.

This is a high-impact role where you’ll work alongside top-tier engineers, designing and building secure, high-performance systems in a fast-paced environment. If you enjoy solving complex technical challenges and want your work to have real impact — we’d love to meet you.

What We’re Looking For

• Bachelor’s degree in Computer Science or a related field
• 5+ years of experience in backend development
• Strong experience building scalable, production-grade systems
• Proficiency in Node.js
• Experience with SQL and NoSQL databases
• Familiarity with cloud platforms and microservices architecture
• Strong problem-solving skills and attention to detail
• Passion for writing clean, maintainable, and efficient code

Bonus Points For

• Experience in cybersecurity or building security-focused products
• Experience working in startup or high-growth environments
• Familiarity with DevSecOps / SDLC tools
• Experience with distributed systems and high-scale data processing

VIP Manager (iGaming)
 

Responsibilities
— Manage a portfolio of VIP clients following established scripts and guidelines.
— Maintain daily/weekly touchpoints (messengers / calls / email), based on individual client needs.
— Provide basic personalized offers using a bonus matrix (cashback / free spins / free bets / bonuses).
— Control bonus issuance and ensure compliance with terms & conditions.
— Collect and analyze client feedback.
— Handle escalations (payments / verification / risk / support).
— Prepare basic reports as required.
 

Requirements
— 1.5–2+ years of experience in iGaming / online casino.
— Proven experience handling client objections.
— Strong understanding of VIP customer service and communication.
— High level of responsibility and attention to detail.
— Stress resistance, flexibility and adaptability.
— Excellent communication skills.
— Ability to multitask and work in a fast-paced environment.
— Team player mindset.
— Results-driven with understanding of key KPIs.
 

Languages
— English: B2+
 

Nice to Have
— Experience working with iGaming B2B CRM systems.
 

Working Conditions
— Remote work.
— Flexible start of the working day.