Jobs at Djinni

About the project

Fintech project

Welcome bonus $1000 ❤️‍🔥

Requirements

• 5 + years of relevant experience in the IT industry, strong knowledge of including ECMAScript;
• 4 + years of experience with Node;
• Experience with NestJS;
• Experience with AWS;
• Experience with Aurora RDS;
• Experience with Serverless;
• Experience with NoSQL, PostgreSQL;
• Experience with Cognito;
• Experience with CI automation and test cases;
• English: Upper-intermediate.

Would be a plus

• Experience with Plaid integration;
• Experience with Google Cloud architecture.

What you will get

• Competitive compensation depending on experience and skills;
• English classes;
• Exciting and challenging projects all over the world on a long-term basis;
• Flexible working hours;
• Career development opportunity;
• Health/Sports Benefits;
• Informal and friendly atmosphere, a lack of bureaucracy and micromanagement;
• Paid vacation (18 working days) and 10 sick leaves;
• Unlimited work from home (remote) or in the office.

At BetSymphony, we are embarking on an ambitious project to revolutionize the online gambling industry. Our vision is to develop a cutting-edge gambling platform that will serve as the backbone for multiple different brands, each with its unique identity and target audience. This platform will leverage the latest technologies to ensure a seamless, secure, and engaging experience for users across the globe.

As a Middle Scala Developer on our team, you will play a pivotal role in bringing this vision to life. You will be involved in every stage of the development process, from initial design to deployment, focusing on creating a scalable, high-performance backend system that can support the diverse needs of multiple brands.

Working on this project will expose you to the latest technologies and challenges in software development, offering ample opportunities for growth and innovation. You will be part of a dynamic team that values creativity, collaboration, and a commitment to excellence.

You will be an excellent fit for this position if you have:

• At least 3 years of experience building backend systems.
• At least 2 years of experience working with Scala.
• Experience building RESTful APIs / WebSockets.
• Proficient in Scala and its ecosystem (e.g., Akka, Play Framework, SBT).
• Experience working with distributed messaging systems such as Kafka, ActiveMQ, RabbitMQ, etc.
• Experience with microservices architecture.
• Containerisation technologies (e.g., Docker, Kubernetes).
• Strong understanding of software design patterns, data structures, and algorithms.
• Experience with database technologies (SQL and NoSQL).
• Familiarity with cloud services (AWS, GCP, or Azure) and DevOps tools (CI/CD pipelines).
• Strong written and verbal communication skills in English (B2)
• Be able to work in a multicultural work environment.
• Strong problem-solving skills.
• Self-organized and able to quickly learn new technologies and paradigms.

Desirable:

• Experience with JIRA and Confluence.
• Experience with ZIO and/or Typelevel stack (CATS etc.)
• Experience with Couchbase DB
• Experience with ElasticSearch
• Experience in gambling or online gaming.
• Experience with TDD development processes. 
• Strong interest in applying AI-powered tools (e.g., ChatGPT, Copilot, Curso,r or similar) to speed up day-to-day development tasks.
• Proven ability or strong motivation to use AI to reduce development time, improve code quality, and automate repetitive engineering work.
• Experience in leveraging AI for code generation, refactoring, debugging, test creation, and documentation.
• Openness to experimenting with new AI tools and workflows and integrating them into the development process.

Here are some of the things you’ll be working on:

• New features development within the existing product.
• Communicating with team members and the Product team.
• Resolving technical problems as they arise.
• Bug fixing of newly developed features (no refactoring of the old code).
• Writing Unit tests and integration tests.
• Scrum ceremonies participation.
• Mentoring middle and junior colleagues might be required.

The Calendars builds an iOS app used by millions of people every day to plan their time. We’re looking for an iOS Engineer who wants to work on a large-scale product, contribute to the development of key features, and build a high-quality user experience as part of a strong team.

What you will do:

• Implement, document, maintain existing application functionality.
• Enhance the application's responsiveness. Identify and rectify bottlenecks and bugs.

• Collaborate with UX/UI designers to transform design mockups and wireframes into fully functional and visually appealing iOS application

   

About you:

• Experience developing applications using Swift and Objective-C.
• Understanding of iOS design principles, interface guidelines, and best practices.
• Strong understanding of SOLID, OOP patterns, concurrency patterns.
• Proficient in memory management and performance tuning.

• Comfortable working with UIKit, SwiftUI, Foundation, Combine, GCD, Swift Concurrency.

   

Would be a plus:

• Experience of working with calendar-related applications e.g. time zones, recurreint events, etc.
• Intstuments
• CI/CD
• StoreKit

What you will get at Readdle:

• Customer-centric culture. We put our users at the heart of everything we do. Every team member has the opportunity to engage directly with customers, gaining insights that shape meaningful, delightful experiences for millions worldwide.
• Relentless growth. We’re committed to mastery in our craft. We take ownership of our work, decisions, and outcomes, and we see feedback as a catalyst for growth. Every challenge is an opportunity to learn, evolve, and raise the bar.
• Exceptional people, exceptional team. Our greatest strength is our people. We care deeply about each other, work transparently, and celebrate collective success. Together, we build an environment where everyone can do their best work and grow beyond their potential.
• Real impact. We design products that truly matter. Our focus is on delivering tangible value, simplifying complexity, pushing boundaries, and continuously improving how we build and deliver solutions to our users.
• Culture of innovation. We embrace curiosity and creativity in everything we do. Fresh ideas are not just welcomed, they’re expected, celebrated, and turned into real innovations that shape the future of our products and company.

Our Customer:

Our client is a fast-growing cybersecurity technology company developing a large-scale platform for simulating cyberattacks and assessing security posture. The product includes complex web interfaces, high-load backend services, and cloud-native components.
 

Your Tasks:

• Design, develop, and maintain advanced frontend features using React and modern JavaScript (ES6+).
• Build complex UI components, interactive dashboards, and scalable, reusable component libraries (including Storybook).
• Own and evolve the frontend architecture, ensuring high performance, maintainability, and a consistent user experience across the platform.
• Optimize rendering behavior and application performance, minimizing unnecessary re-renders and improving perceived UI responsiveness.
• Collaborate closely with product managers, designers, and backend engineers to deliver high-quality features end to end.
• Participate in technical discussions, frontend architecture decisions, and code reviews.
• Integrate frontend applications with backend APIs (Node.js-based services).
• Work with Git-based workflows and CI/CD pipelines to ensure smooth delivery and deployment.
• Ensure clean, testable, and well-documented code following frontend best practices.
   

Required Experience & Skills:

• 5+ years of professional experience in frontend or web development.
• Senior-level expertise in React and the modern frontend ecosystem.
• Excellent command of JavaScript, with a deep understanding of how the language works (execution context, async behavior, data handling).
• Strong experience designing and maintaining reusable UI components and design systems (Storybook or similar).
• Solid understanding of frontend application architecture, state management strategies, and data flow patterns.
• Experience optimizing React applications for performance and scalability.
• Working knowledge of backend integration (REST APIs, Node.js services).
• Experience working with relational and/or NoSQL databases (e.g., PostgreSQL, MongoDB) at an integration level.
• Familiarity with CI/CD pipelines and modern development workflows.
• Strong focus on code quality, testing, and maintainability.
• English — Upper-Intermediate+ (written and spoken).
   

Working conditions

5-day working week, 8-hour working day;

All UA public holidays are days off;

Vacation and sick leave are covered by the company;

Remote work.

We are looking for an experienced SQL Developer with deep, practical expertise in MS SQL Server, with a focus on query optimization, performance tuning, and the design of efficient database schemas. A key part of this role is reviewing, analyzing, and improving existing SQL and schema structures on the OLTP systems.

Requirements

• 3+ years of hands-on experience with MS SQL Server as a SQL Developer.
• Demonstrated practical experience in SQL query optimization.
• Strong skills in analyzing execution plans, designing indexing strategies, and tuning performance.
• Strong ability to write clean code in accordance with the project's technical requirements.
• Solid knowledge of OLTP database design principles and best practices.
• Ability to present real examples of performance improvements or schema redesigns you have implemented.

Core Responsibilities

• Create database objects/write stored procedures.
• Analyze and optimize slow SQL queries in MS SQL Server (joins, subqueries, etc.).
• Work with execution plans, indexes, statistics, and partitioning to enhance performance.
• Demonstrates the ability to clearly understand and effectively analyze business requirements.
• Collaborate with developers to ensure efficient SQL and schema use across the platform.
• Propose structural, architectural, and performance-oriented improvements.

What we offer

• Continuous learning and career growth opportunities
• Professional training and English/Spanish language classes
• Comprehensive medical insurance
• Mental health support
• Specialized benefits program with compensation for fitness activities, hobbies, pet care, and more
• Flexible working hours
• Inclusive and supportive culture

Who we are    

We are a Ukrainian multiproduct company that creates database development and management tools, connectivity solutions, productivity tools, and data services for more than 500.000 clients from 120 countries. Among our clients, you can find such legends as Microsoft Corporation, Oracle America, IBM, Intel, and many more companies that deserve their place in the Fortune 100 and Fortune 500.    

Since 1997, we have been streamlining data workflows for professionals and teams with our intuitive and efficient software products. We’re committed to enhancing our customers' experience across the globe by minimizing data-related tasks and enabling them to focus on more inspiring goals. Whether it’s Fortune-100 companies or individuals, we provide a customer-centric approach, delivering high-quality solutions and exceptional support.    

Driven by passion, we play a substantial role in shaping the future of data management.    

Product that needs your engagement    

Connectivity product line offers a wide choice of world-class data connectivity solutions for various data connection technologies and frameworks: ODBC Drivers, ADO.NET Providers, Python Connectors, SSIS Data Flow Components, Excel Add-ins, Delphi Data Access Components, dbExpress Drivers, Web API Server, and more.   

Our connectivity solutions are used with thousands of data-driven applications and help enterprises manage data more efficiently and make better business decisions.    

Your future team of professionals    

You will join a dynamic team of professionals passionate about our product. The core team consists of a Team Lead, an Internet Marketing Manager, and a Content Writer, with additional support from the broader marketing team (acquisition, design, and analytics).   

Your future challenges   

• Become the market expert for Devart’s connectivity products by uncovering customer needs, industry trends, and emerging opportunities that shape product strategy 
• Craft clear and compelling product positioning and messaging that differentiates our solutions across multiple technologies and audiences 
• Lead and optimize go-to-market processes — from packaging to launch execution and lead generation, ensuring alignment across product, marketing, and acquisition teams 
• Transform customer insights, competitive analysis, and behavioral data into actionable recommendations that influence roadmap decisions and strengthen market leadership. 

Impact you will make    

• Conduct market and customer research to identify needs, buyer personas, ICPs, use cases, and value propositions 
• Analyze competitors’ products, pricing, tactics, and feedback to define opportunities and influence product strategy  
• Shape product positioning, packaging, brand assets, and how the product is presented to the market 
• Collaborate on pricing model development and feature prioritization to ensure the roadmap aligns with customer insights and market dynamics
• Manage core marketing activities: PAD files, website updates, release notes, email communications, catalog submissions, content creation 
• Create product overviews, content plans, and supervise their execution 
• Plan and manage product launches, ensuring alignment across messaging, channels, and success metrics  
• Drive acquisition strategies together with acquisition team across SEO, PPC, content marketing, design, and web 
• Lead production of educational materials for Devart Academy (videos, whitepapers, tutorials)  
• Develop retention programs through email sequences, loyalty flows, feedback loops, and targeted campaigns 
• Perform A/B testing on website content and features; maintain accuracy of product information and reviews 
• Conduct and analyze CSAT, CES, NPS surveys and user interviews with the product manager 
• Collect customer success stories and validate product investments 
• Analyze key metrics (Sessions, Users, Downloads, Orders, Revenue) in GA4, Power BI, Looker Studio, and marketing tools (Ahrefs, SERanking) 
• Research user behavior patterns and incorporate insights into the product roadmap 

Skills we are looking for    

• 3+ years of Product Marketing / Growth Marketing experience in B2B SaaS 
• Strong SEO expertise (content strategy, technical SEO, link building, CTR optimization)  
• Understanding of LLM/AI visibility trends and how to optimize product presence in AI search results  
• Proven track record of driving products into top market positions through organic growth  
• Upper-Intermediate+ English (written and spoken)  
• Familiarity with analytics and marketing tools (GA4, Looker Studio, Power BI, Ahrefs/Semrush, CRM, automation platforms)  

• Experience collaborating with cross-functional teams (acquisition, content, product, design, tech)  

   

Benefits you get   

• Maintain your work-life balance   

Manage your own working hours with our flexible schedule   

19 days of annual vacation granted on a pro-rata basis   

No overtimes required   

• Hybrid type of cooperation   

Whether you prefer to work remotely in the comfort of your home office or from one of our 4 offices, you can still take part in increasing the world`s awareness about quality Ukrainian products from any part of the world   

• Stay healthy   

Medical insurance from one of the top insurance companies in Ukraine with a wide range of included services, as well as special programs for relatives; and special options for those who live abroad.   

15 working days of sick leave per year — because your health is a priority.   

• Grow with us   

In-house English courses — increase your proficiency through our online courses and speaking clubs with a native speaker   

Online learning activities — workshops, lectures, and webinars to enhance your leadership, management, and self-awareness skills   

Experience exchange — we are proud of our team of professionals who gladly share their deep expertise in all kinds of fields with the rest of the team   

Promotions, rotations, and transitions — when you believe your skills could benefit a different role or team.   

• Stand with Ukraine!   

We have an active pro-Ukrainian position, and that means we help our army, our servicemen, and their families not only through constant donations and volunteering, but also through our military leave policy, special health insurance options, and financial help   

We are a perfect match if you share our values   

We are professionals in our field.   

We know how to turn up our professionalism to the maximum, because we are experts who enjoy solving complex tasks.   

We know how to focus on the product, think big, and at the same time delve deep into the details.   

We create a calm and friendly atmosphere within the company.   

We value the freedom of open and transparent communications.   

Radical honesty is embedded in the foundation of our culture.   

We are open to new things and constantly develop and practice regular knowledge sharing, which helps us evolve continuously.   

Most importantly, the company creates an environment where we can fulfill our potential upon a solid foundation.   

Our Hiring Process   

• Recruitment Interview   
• Test Task
• Technical Interview   

• Offer Call   

   

We strive to ensure transparency and openness in the hiring process, and we understand the importance of providing timely feedback. If your resume meets the job requirements, we will contact you to clarify details and schedule an interview within 2 weeks after your application is submitted.    

The timeframe for feedback between interview stages may take up to 2 weeks. 

About the Role

We are looking for a highly skilled and strategic Senior DevSecOps Engineer to lead our security operations and infrastructure automation initiatives. In this role, you will bridge the gap between development, security, and operations, ensuring our on-premise environment remains secure, resilient, and efficient.
You will act as a subject matter expert, leveraging cutting-edge tools like CrowdStrike to automate threat detection and response, while maintaining robust perimeter security via Cloudflare.

Key Responsibilities
Implementation and automation of security tools in the CI/CD process (SAST, DAST, SCA).
Analysis of vulnerabilities in code, infrastructure and containers.
Development and configuration of security monitoring systems, incident response.
Monitoring and improving the security level of on-prem infrastructures.
Interaction with developers, DevOps and security teams to implement secure practices.
Active participation in the processes of IAM configuration, management of certificates, secrets and access policies.
Conducting internal security audits, participation in external (e.g. penetration) tests.

Requirements

Must-have:
Experience: 5+ years of experience in DevSecOps, Security Engineering, or a related field, with at least 2 years in a Senior role.
Tooling Expertise: Deep hands-on experience with the following specific tools:
Baremetal/on-premise infrastructure
Docker (Docker Swarm is a strong plus)
Gitlab CI 
CrowdStrike
Cloudflare
ELK.
SIEM Proficiency: Proven experience deploying and tuning SIEM solutions (e.g., Splunk, Elastic Security, Datadog, or similar).
Infrastructure: Strong background in managing on-premise infrastructure (physical servers, data centers, virtualization, networking).
Scripting: Proficiency in Python, Go, or Bash for automation and tooling.

Nice-to-have:
Experience with Kubernetes and such tools as Wiz.io and Torq.
Previous involvement in high-load, regulated, or 24/7 production environments (e.g., iGaming, FinTech, telecom or similar).

We offer
Fully remote work opportunity
Enhanced leave benefits:
20 days of paid vacation
5 paid days off
14 paid sick leaves
Company clubs & communities
Celebration gifts for personal milestones
Corporate online events, raffles & challenges
Corporate English program
Corporate yoga classes
Team-building activities
Coworking compensation
Training and development programs (internal & external).

AdTribe is a performance marketing agency with 7 years of expertise in scaling e-commerce brands in the USA market. We help our clients grow through Facebook (Meta), Google, TikTok, and other advertising platforms. Now, we're looking for an experienced Media Buyer to join our team and work with clients from the USA, UK, Australia, and other Tier-1 markets.
 

What You’ll Do:

• Launch, Manage, and Optimize advertising campaigns for clients, focusing on Facebook & Google.
• Strategic Consulting: Provide data-driven recommendations to improve conversion rates, AOV, LTV, and other key business metrics.
• Client Communication: Engage directly with clients via Slack, ensuring clear, timely, and effective communication.
• Reporting: Prepare detailed performance reports 
• Creative Strategy: Offer creative insights and recommendations to enhance ad performance, create briefs for designers and content creators.
• Process Improvement: Follow and improve AdTribe’s internal workflows to drive better efficiency and results.
• Knowledge Management: Keep our internal knowledge base up-to-date with the latest marketing trends and platform updates.

What We’re Looking For:

• 2+ year of experience managing successful ad campaigns on Facebook and Google platforms
• Understanding of eCommerce and Lead Generation projects
• Upper-Intermediate English proficiency with the ability to clearly articulate ideas

Nice-to-Haves:

• Experience working with US-based clients
• Experience with AI tools to enhance marketing processes
• Proficiency in GA4 for reporting and analytics

What You’ll Get in Return:

• Work with Tier-1 market clients.
• Fully remote position with flexible hours - work from anywhere.
• High autonomy in decision-making and project management.
• 24 paid vacation days per year + paid sick leave.
• Compensation for hobbies, sports activities, therapy sessions, and coworking spaces.

About the role:

We are looking for Web UA Manager to join our team for our new fast-growing AI-powered web project MySpicy.ai, focused on AI virtual dating experience.

Your Impact

• Take ownership, manage, and optimize paid campaigns across Facebook Ads, Google Ads, TikTok
• Analyze campaign performance, test hypotheses, and scale successful strategies
• Collaborate cross-functionally with product, creative, and analytics teams to align acquisition goals
• Launch campaigns, write briefs, troubleshoot issues, and dive into data as needed
• Identify new growth opportunities and continuously improve conversion funnels
• Monitor and manage acquisition spend to meet performance KPIs

Requirements

• 3+ years of experience in web user acquisition, performance marketing, or growth marketing
• Proven track record running Facebook and Google Ads with strong ROI
• Strong understanding of subscription-based monetization models
• Experience with multiple quiz set-ups
• Analytical mindset with experience in A/B testing
• Experience with budgets 100k+ monthly
• Familiarity with tools like Google Analytics, Meta Ads Manager, and performance tracking platforms
• Comfortable working independently in a fast-paced, remote environment

What We Offer

• A passionate, skilled team with zero bureaucracy — just results
• Competitive salary that lets you focus on your work and personal growth
• Professional development: access to courses, workshops, and a corporate library
• 20 days of paid vacation, health insurance, and regular sports activities
• A collaborative culture: team buildings and fun events inside and outside the office

About the Company:

It is a product company, holding leading positions in the Indian market. We've been operating for 6 years and during this time, we've established strong positions in both financial performance and audience recognition.

Requirements:

• Bachelor’s or Master’s degree (Mathematics, Statistics, IT, Analytics)
• 2–3 years of experience as a Risk/Fraud/Data Analyst in anti-fraud products for iGaming or E-commerce (such as Seon, LexisNexis, Covery, Kount, Riskified, Forter, Feedzai, etc.) or experience working with these systems*
• Experience in rule engine configuration — creating, testing, and optimizing rules based on transactional and behavioral data
• Understanding of scoring principles: knowledge of risk assessment models and fraud probability evaluation methods
• Ability to work with large datasets and identify fraud patterns
• Experience in building and visualizing reports
• Strong analytical thinking and attention to detail

• English level: Upper-Intermediate or higher

   

Will be a plus:

• Experience building an anti-fraud system from scratch or optimizing an existing one
• Experience in the crypto sector
• Knowledge of basic KYC principles
   

Key Responsibilities:

• Develop and maintain scoring models for customer/transaction risk assessment
• Configure, test, and optimize risk rules
• Monitor scoring accuracy and rule efficiency metrics
• Create and maintain reporting dashboards and analytics
• Analyze fraud incidents and develop fraud prevention strategies
• Collaborate with cross-functional teams

We Offer:
Remote work from anywhere in the world.
Fast decision-making without bureaucracy.
Friendly atmosphere among people passionate about their work.
Qualified managers invested in your growth.
20 paid vacation days, 5 day-offs, and paid sick leave.

SnoopGame is looking for a motivated and proactive Junior Recruiter who is eager to grow in the talent acquisition field. In this role, you will gain hands-on experience working with various positions across different markets.
Over the past decade, we’ve meticulously tested more than 1,500 games across a wide range of genres — from Hyper Casual to AAA. Today, we proudly stand as international game testing company, with strong expertise and the capability to deliver diverse manual testing services across multiple platforms.

Requirements:
 

• 0–6 months of commercial experience as a Researcher or Recruiter.
• Recruitment courses or self-study in recruitment theory and HR processes.
• Strong communication skills, ability to negotiate and work with objections.
• English Upper-Intermediate or higher (for spoken communication).

Responsibilities:
 

• Sourcing and screening candidates for open positions.
• Conducting interviews.
• Working with external platforms (LinkedIn, DOU, Djinni, etc.).
• Maintaining and expanding the internal candidate database in an ATS.
• Recruitment funnel reporting.
• Using various tools in daily work, including AI-based solutions.

We Offer:
 

• Working hours from 10:00 to 19:00 (including a 1-hour lunch break).
• Paid vacation — 20 working days per year; 10 paid sick days per year.
• English classes with a native speaker and interactive sessions with another tutor (exercises, quizzes, games in English).
• Corporate sessions with a psychologist, transparent communication, and a strong feedback culture.
• All necessary equipment provided.
• Public holidays as days off.
• Corporate team-building events.
• A friendly team and a warm atmosphere filled with enthusiasts of games and cutting-edge technologies.
• Structured onboarding and training.
• Mentorship and support from an experienced colleague.
• Real opportunities for internal growth and building a long-term career in recruitment.

If you are passionate about working with people, eager to learn, and ready to explore the world of IT recruitment — we would be happy to get to know you!

Join our Team!

We are looking for business development manager who could facilitate making Omegarender services available to a bigger number of customers! As a part of the bizdev team you will be responsible for new prospects generation within the USA/Canada/UAE markets.
 

      Requirements:

• Preferably 2+ years of experience in sales.
• Fluent or native English.
• Strong communication skills.
• Solid self-management skills.
• Commitment, attention to detail, organizational skills, and multitasking needed to thrive in a performance-oriented culture.
• Time management skills, high level of responsibility, self-organized.
• Readiness to tackle challenges and meet deadlines in a fast-paced environment.
• Experience in building long-term professional relationships with clients.
• Strong desire to learn.
  
  Responsibilities:
• Find creative solutions to engage and communicate with clients.
• Present studio services and negotiate cooperation with clients.
• Prepare commercial offers and sign contracts.
• Improve existing processes, identify and develop new ones.
• Make calls with potential clients and customers.
• Collect and maintain customer information in the CRM database.
• Introduce ideas for improving services based on feedback from prospects and customers.
• Participate in brainstorming sessions with lead generators, as well as communicate directly with the production department.
• Attend professional conferences.
• Establish professional networking.
• Enjoy your work!
   

      It will be a plus:

• Sales experience in outsourcing companies and B2B.
• Experience of cooperation with architectural visualization studios, architectural studios, or IT engineering companies that sell software for architectural firms.
• Experience in attending conferences.
   

      Our offer:

• A creative and open-minded team who is result-focused.
• Remote work.
• 24 working days of paid vacation per year, 12 paid sick leave.
  
  Thank you for your application! We carefully review all resumes; however, due to the high number of applications, we are only able to respond to candidates whom we plan to invite to the next stage. If you do not receive a response, please consider this as our decision not to proceed with your application for this position at this time.
  Thank you for your understanding.

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 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, a dynamic quantitative trading firm founded in 2010 and leading in global high-frequency strategies, is looking for a Data Engineer to join our team.

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 are seeking an experienced Senior Data Engineer to design, build, and maintain our comprehensive Data Lake for a fast-growing number of research and production datasets. This role combines hardware and platform infrastructure expertise with data engineering excellence to support our rapidly growing data assets (~200TB current, scaling ~100TB/year). 
 

Responsibilities:

• Architect and manage high-performance, scalable on-premise data storage systems optimized for large-scale data access and analytics workloads
• Configure and maintain compute clusters for distributed data processing
• Plan capacity and scalability roadmaps to accommodate 100TB+ annual data growth
• Design and implement efficient monitoring and alerting systems to forecast growth trends and proactively react to critical states
• Design, create, automate, and maintain various data pipelines
• Enhance existing and setup new “data checks” and alerts to determine when the data is “bad”
• Design and implement a comprehensive on-premise Data Lake system connected to VAST storage solution for normalized market data across:
  • US Equities, US Futures, and SIP feeds
  • Other market data sources that will be further added
  • Security Definition data for various markets
  • Various private column data
• Build and operate end‑to‑end data pipelines and SLA/SLO monitoring to ensure data quality, completeness, and governance
• Analyze existing data models, usage patterns, and access frequencies to identify bottlenecks and optimization opportunities
• Develop metadata and catalog layers for efficient data discovery and self‑service access
• Design and deploy event‑driven architectures for near real‑time market data processing and delivery
• Orchestrate ETL/ELT data pipelines using tools like Prefect (or Airflow), ensuring robustness, observability, and clear operational ownership
• Ensure fault tolerance, scalability, and high availability across existing systems
• Partner with traders, quantitative researchers, and other stakeholders to understand use cases and continuously improve the usability, performance, and reliability of the Data Lake  

Requirements:

• 5+ years of experience in data engineering or data platform roles
• Proven experience with large‑scale data infrastructure (hundreds of TBs of data, high‑throughput pipelines)
• Strong understanding of market data formats and financial data structures (e.g., trades, quotes, order books, corporate actions)
• Experience designing and modernizing data infrastructure within on-premise solutions
• Bachelor’s degree in Computer Science, Engineering or related field required; Master’s degree preferred or equivalent practical experience

Tech Skills:

• Data Engineering - Spark, Iceberg (or similar table formats), Trino/Presto, Parquet optimization
• ETL pipelines - Prefect/Airflow or similar DAG-oriented tools
• Infrastructure - High-performance networking and compute
• Storage Systems - High-performance distributed storage, NAS/SAN, object storage
• Networking - Low-latency networking (aware about DPDK and kernel bypass technologies. Data center infrastructure basics
• Programming - Python (production‑grade), SQL, building APIs (e.g., FastAPI)
• Data Analysis - Advanced SQL, Tableau (or similar BI tools), data profiling tools

Nice to have:

• Experience in HFT or financial services
• Background in high‑frequency trading (HFT) or quantitative finance

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!