Jobs at Djinni

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.

Job Description:

We are looking for a strong middle/senior Power BI Developer with strong expertise in Power BI and related technologies to join our team. The ideal candidate will be responsible for designing, developing, and maintaining interactive dashboards and reports that provide actionable insights to support business decisions.

Key Responsibilities:

• Develop and maintain Power BI dashboards and reports;
• Implement data models, DAX calculations, and RLS for secure data access;
• Collaborate with business analysts and stakeholders to understand requirements and deliver effective BI solutions;
• Optimize data processes and troubleshoot issues to ensure high performance;
• Work with Microsoft Fabric and integrate solutions with Power Platform (Power Apps, Power Automate) and SharePoint Online when required.

Core Requirements:

• Minimum 3 years of experience with Power BI;
• Ability to create interactive reports and dashboards;
• Knowledge of DAX, Power Query, Data Modeling, and Row-Level Security (RLS);
• Experience with Microsoft Fabric;
• Experience with Power Platform (Power Apps, Power Automate) – optional, considered a plus;
• Experience with SharePoint Online and SharePoint Lists – optional, considered a plus.

Analytical Skills:

• Ability to analyze business requirements and transform them into effective BI solutions;
• Skills in process optimization and problem-solving.

Communication Skills:

• Ability to work collaboratively with analysts and developers;
• Strong presentation skills to clearly communicate results.

Education:

• Preferred: Degree in Computer Science, IT, or related fields.

Other Requirements:

• Results-oriented with strong attention to detail;
• Ability to work in a dynamic environment;
• English proficiency: B2 level.

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

As a Full Stack Developer at BotsCrew, you’ll be part of a cross-functional team responsible for designing, building, and scaling products and features across our clients’ solutions. You’ll work with both backend and frontend technologies and actively contribute to implementing AI-powered functionality.

Our projects combine modern full-stack development with AI integrations. We’re looking for engineers who enjoy building real products, solving complex technical problems, and experimenting with new technologies.

You’ll collaborate closely with engineers, project and product managers, quality assurance engineers, and UX designers to bring impactful features to life — from intelligent assistance capabilities to workflow automation.

Key Requirements

• 2+ years of experience in backend or full-stack development;
• Strong experience with Java and the Spring Framework, or solid backend experience with Node.js or Python and willingness to work with Java;
• Experience working with modern frontend frameworks such as React.js, Next.js, or Angular;
• Strong understanding of RESTful API design and integration;
• Experience using Docker for local development and deployment;
• Familiarity with CI/CD pipelines (e.g., GitHub Actions, GitLab CI);
• Hands-on experience with cloud infrastructure (AWS, Azure, or GCP);
• Strong problem-solving skills and a collaborative mindset;
• Willingness to learn and work with other languages (e.g., Python, Node.js) as needed;
• Good spoken and written English (Upper Intermediate level or higher);
• Basic experience or strong interest in AI technologies, such as working with LLM APIs, prompt engineering, embeddings, or vector search. This experience may come from commercial projects, personal projects, or experimentation.
   

What You’ll Do

• Develop and maintain backend APIs using Java, Node.js, or Python as needed;
• Design and improve frontend interfaces using ReactJS and NextJS;
• Build and enhance LLM-based features using APIs (e.g., OpenAI), embeddings, vector storage, vector search, and prompt engineering techniques;
• Write clean, testable, and well-documented code;
• Contribute to system architecture and scalable solution design;
• Collaborate with clients and stakeholders to gather requirements and deliver value;
• Participate in agile ceremonies (daily stand-ups, retrospectives, sprint planning);
• Contribute to a positive team dynamic and a healthy engineering culture.
   

Would be a plus

• Hands-on experience building AI assistants or autonomous agents;
• Understanding of prompt engineering techniques to influence LLM behavior;
• Familiarity with Retrieval-Augmented Generation (RAG) concepts;
• Experience with vector databases (e.g., Pinecone, Weaviate, etc.);
• Experience integrating LLM APIs such as OpenAI, Claude, or Gemini;
• Experience with Python or Node.js.
   

🌟 Perks & Benefits:

• 20 working days of paid vacation plus 5 days of paid sickness;
• Flexible work schedule & comfortable remote work conditions;
• Competitive salary;
• Access to Regus coworking spaces when needed;
• FOP (private entrepreneur) accounting and support services;
• ChatGPT for Business access to support productivity and experimentation with AI tools;
• PDP creation and guidance from our mentors;
• A youthful, talented, and remarkable company culture.

We are building one of the most powerful live-streaming platforms, already connecting 400K+ monthly active users through live events, interactive video chats, and real-time community experiences. Our mission is bold: bring joy, fight loneliness, and deliver safe, ad-free entertainment that keeps people coming back. 

This is a complex, fast-moving space, and we love it that way! So, you will join a passionate, expert team tackling everything from scaling AI-powered recommendations to launching high-impact, data-driven features that boost monetization and engagement. Every idea counts here, and every release reaches a massive global audience

We are now expanding into Arab countries and Europe, enhancing content quality, and rolling out new features to keep users hooked. We are among the Top 5 streaming products in the US and rank in the Top 10 worldwide. Our next milestone: break into the global Top 5, and we are moving fast to make it happen. Are you in?

About your role: As a Lead Account Manager, you will work closely with international partners and creators, helping them grow, succeed, and unlock new opportunities on the platform. You will play a key role in developing long-term partnerships, improving partner performance, and identifying opportunities to scale engagement and revenue.

Here your ideas matter — you’ll collaborate with a passionate team tackling complex challenges, from scaling creator ecosystems to leveraging data and AI-driven insights, while contributing to the growth of a product used by millions worldwide.

In this role, you will

• Build and maintain long-term relationships with key Spanish-speaking partners
• Manage and develop a portfolio of strategic partners while ensuring strong performance and growth
• Support onboarding of new partners in collaboration with the inbound team
• Drive partner growth and development to increase overall project revenue
• Analyze partner performance and identify strategic opportunities for scaling results
• Provide partners with advanced recommendations and best practices to maximize their performance
• Collaborate with internal teams to improve partner experience and platform processes

It’s all about you

• 2  years of experience in a client-facing role (Account Manager, Business Development,  Customer Success, Sales, or Affiliate Manager)
• Spanish at B1+ level and English at B1+ level
• Strong analytical mindset and experience working with performance data (Tableau, Amplitude, or similar tools)
• Strong relationship-building and negotiation skills when working with partners or clients
• Results-driven mindset with experience managing revenue-impacting partnerships
• Excellent time management and prioritization skills
• Ability to work independently, structure information effectively, and take ownership of decisions
• Experience working with CRM tools

Would be a plus

• Leadership experience, including mentoring, guiding, or managing a team

   

What we offer

Care and support: 

• 20 paid vacation days, 15 sick days, and 6 additional days off for family events
• Up to 10 additional days off for public holidays
• 100% medical insurance coverage
• Sports and equipment reimbursement
• Team building events, corporate gifts, and stylish merch
• Financial and legal support
• Position retention and support for those who join the Armed Forces of Ukraine
• Participation in social initiatives supporting Ukraine
   

Comfortable working environment:

• Work from our Kyiv hub or remotely with a flexible schedule 
• Modern equipment or depreciation of your own tools
   

Investment in your future:

• Collaborate with a highly-skilled team of Middle & Senior professionals, sharing practical cases and expertise in the social networking niche
• 70% of our heads and leads have grown into their roles here – so can you!
• Performance-oriented reviews and Individual Development Plans (IDPs)
• Reimbursement for professional courses and English classes
• Corporate library, book club, and knowledge-sharing events
   

Hiring process

• Intro call
• Technical interview
• Test task
• Bar-raising 
• Reference check
• Offer

GD Next is a European group of companies, specialising in KYC, Fraud prevention, financial messaging, and Open Banking solutions. We integrate innovative, modern technologies into the traditional financial sector to strengthen digital banking and enhance the customer experience. By combining proven, market-validated technologies with the expertise of our team and trusted partners across Europe, we deliver real and tangible value to our clients.

We are looking for a Junior Java Software Engineer to join our Open Finance project team. This is a great opportunity for aspiring developers who want to gain hands-on experience in financial technology and grow their expertise in Java development.
The role will also include participation in 24/7 project hotline support on a rotational basis for additional compensation.

Key Responsibilities:

• Develop and maintain backend services using Java and relevant frameworks.
• Assist in implementing solutions that align with OpenFinance and PSD2 standards.
• Support the integration of third-party financial institutions and payment service providers (ASPSPs).
• Work closely with senior developers and the customer project team to gather requirements, participate in design discussions, and contribute to the development process.
• Write and maintain clean, efficient, and well-documented code.
• Participate in code reviews to ensure adherence to best practices, security, and performance standards.
• Collaborate with front-end teams for seamless integration between backend and front-end components.
• Develop unit and integration tests to maintain code quality.

• Troubleshoot and debug issues in backend services.

   

Required Skills & Qualifications:

• Basic understanding of Java and hands-on experience in backend development.
• Familiarity with core Java concepts (OOP, multithreading, collections).
• Understanding of RESTful APIs and JSON.
• Knowledge of relational databases (PostgreSQL, MySQL, or similar).
• Experience using Git for version control.
• Basic understanding of web security concepts (OAuth 2.0, JWT, encryption techniques).
• Strong problem-solving skills and willingness to learn new technologies.
• Good communication and teamwork abilities.
• B2 English (Upper-intermediate or higher).

Desired Skills:

• Experience with Spring Framework (Spring Boot, Spring Security).
• Basic knowledge of cloud platforms (AWS, Azure) and containerization (Docker).
• Familiarity with CI/CD tools and deployment practices.
• Exposure to Agile methodologies (Scrum, Kanban).
• Interest in financial technology (FinTech) and willingness to learn OpenFinance and PSD2 regulations.

Additional Information:

• Candidates will have the opportunity to grow within the company and gain exposure to modern financial technologies.
• The role will include participation in 24/7 support on a rotational schedule (1 day on duty / 1 day off duty) for additional compensation.
• This is a great opportunity for junior developers to develop real-world experience in a fast-paced and innovative financial services environment.
• Location: Ukraine.
• The project language is Ukrainian.

Responsibilities:
 - Plan, launch, optimize, and scale advertising campaigns.
 - Maintain accurate reporting and performance tracking for all managed accounts
- Monitor industry trends and algorithm updates, ensuring quick adaptation and implementation of new campaign strategies
- Creating Technical Tasks for the development team to build websites.
- Conduct market research and competitor analysis to identify new opportunities, topics for white pages, and potential GEOs for launch
- Testing new approaches to campaign launches: GEOs, keywords, and optimization strategies.

Requirements:

• 2+ years of experience as a PPC Manager in Gambling niche
• Proven record of active campaign launches with successful cases in the last 6 months (ROI 40%+)
• Hands-on experience with various campaign types (Search, Performance Max, Demand Gen)
• Practical experience managing large advertising budget
• Knowledge of working with anti-detect browsers, trackers, spy services
• Attention to detail
• Ability to generate new ideas and approaches
• Proactiveness

Working terms

• possibility of remote work;
• paid vacation — 21 working days;
• annual salary review;
• opportunity for career growth within the company;
• additional 10 days off for holidays;
• paid English courses.

We are looking for an experienced Kafka Software Engineer to support and operate a mission-critical streaming platform in a long-term engagement. This role is focused on ensuring stable, secure, and high-performance Kafka operations within an event-driven architecture environment. The ideal candidate combines strong hands-on Confluent Kafka expertise with advanced troubleshooting capabilities and consulting-level communication skills. You will act as a key technical advisor for development teams, helping optimize message flows, configurations, and platform reliability. The position requires a structured and proactive engineer capable of resolving complex system issues and guiding best practices. This is a full-time, long-term opportunity for a senior-level professional located in the EU or Ukraine.

Details

Location: EU or Ukraine

Work Model: Remote

Employment Type: Contract, Full-time

Duration: Long-term

Rate: Negotiable

Language Requirements: English – Upper-Intermediate

Competence Level: Senior Consultant level (4–6 years in role)

Key Responsibilities

Maintain and monitor the Kafka platform to ensure stable and reliable operation

Perform Kafka administration (topics management, configurations, ACLs, access control)

Provide 2nd and 3rd level support to internal users and development teams

Troubleshoot incidents, performance bottlenecks, and message flow issues

Optimize streaming pipelines and improve platform resilience

Advise development teams on Kafka usage, architecture, and best practices

Maintain structured technical documentation

Contribute to improvements in event-driven and streaming architecture design

Requirements

Strong hands-on experience with Confluent Kafka (mandatory)

4–6 years of professional experience in Kafka or streaming platform roles

Deep understanding of event-driven and streaming architectures

Experience with Kafka administration and operational support

Strong troubleshooting and root cause analysis skills

Consulting-level communication skills and ability to guide teams

Ability to analyze and resolve complex system interactions

Structured and documentation-driven working style

English – Upper-Intermediate

Nice to Have

Experience with schema registry, Kafka Connect, ksqlDB

Familiarity with monitoring tools (Prometheus, Grafana, Splunk)

Experience in cloud-based Kafka environments (AWS, Azure, GCP)

Experience in high-availability or enterprise-scale streaming environments

Exolix is a dynamic and innovative Web3 company dedicated to providing instant crypto exchange services and solutions for fintech companies. With a commitment to excellence and a passion for blockchain industry, we have been a leader in Web3 crypto swap services for 7 years. As we continue to expand our reach and influence, we are seeking a highly motivated and experienced Business Development Manager to develop B2B partnerships and propel our growth.

Position Overview:

We are looking for a results-driven Business Development Manager with a proven track record in cultivating and closing B2B partnerships. The ideal candidate will have exceptional communication skills, a deep understanding of the blockchain industry, and the ability to identify and capitalize on new business opportunities. As a Business Development Manager, you will play a key role in establishing and maintaining strategic partnerships to drive revenue and enhance our market position.

Responsibilities:

• Identify, prospect, and establish new B2B partnerships that align with the company's strategic goals and objectives.
• Conduct thorough market research to identify potential B2B partnership opportunities.
• Create scripts for communicating with key decision-makers for different channels.
• Enhance relationships with current customers by upgrading services and discovering new opportunities to expand the partnership.
• Develop and maintain strong relationships with key decision-makers in target industries.
• Travel around the world to crypto conferences and establish B2B partnerships during meetings and events.
• Collaborate with cross-functional teams to create compelling proposals and presentations tailored to prospective partners.
• Negotiate and close partnership agreements, ensuring mutually beneficial terms for all parties involved.
• Stay informed about industry trends, market conditions, and competitor activities to identify new opportunities and threats.
• Achieve and exceed sales targets and key performance indicators related to partnership development.
• Create and regularly update partner plans on a quarterly basis.

Key skills and qualifications:

• 2+ years of proven sales experience in the B2B field;
• Strong interpersonal and communication skills;
• Excellent problem-solving and analytical skills;
• Ability to work effectively in a rapidly changing environment;
• Ability to work independently and in a team;
• Advanced level of English is required (minimum B2);
• Expertise in the cryptocurrency niche (candidate with previous experience at exchanges and related companies will be a priority for consideration).

What we offer:

• Remote employment opportunities.
• Monday to Friday flexible schedule.
• Competitive salary depending on the experience.
• Partial company coverage for educational and training expenses.
• Business trips around the world to major industry conferences.
• Performance-based bonuses.

Responsibilities:
   •    Launch and scale PPC campaigns for dating offers (primarily Google Ads)
    •    Keyword research and search intent analysis for Dating    vertical
    •    Creation and testing of ad copies compliant with dating             policies
    •    Management of budgets, bids, CPA / ROI targets
    •    Setup and optimization of conversion tracking (registrations,             subscriptions, payments)
    •    A/B testing of creatives, landers, and funnels
    •    Monitoring traffic quality, approvals, bans and account health
    •    Working closely with tech / tracking / product teams
    •    GEO expansion and scaling profitable funnels

Requirements:

• Proven experience in PPC for dating offers
• Strong knowledge of Google Ads policies (dating, adult, sensitive content)
•  Experience with keyword-based traffic (Search, Discovery)
• Understanding of dating funnels: registration → subscription → rebill
•  Ability to work with CPA / RevShare model
•  Hands-on experience with trackers and analytics
•   Strong optimization and scaling skills
• Experience with Tier-1 GEOs (US, UK, CA, AU)
•  Work with pre-landers and compliant funnels
•  Experience recovering accounts / ads
•  Understanding of cloaking risks and safe setups

Working terms

• possibility of remote work;
• paid vacation — 21 working days;
• annual salary review;
• opportunity for career growth within the company;
• additional 10 days off for holidays;
• paid English courses.

Influencer Manager 

• Searching for and attracting new partners (bloggers/influencers); • Managing partners; 
• Monitoring compliance with partnership agreements; 
• Analyzing partner performance and motivating them; 
• Preparing performance reports. 

Requirements: 
• Experience working with influencers. Tier-1 market is a plus; 
• Ability to analyze partner statistics; 
• Knowledge of CPA, RS, and Hybrid models; 
• Understanding of CPM, CPV, ROI, FTD, Retention, Gross, etc.; 
• B2/B2+ English; 
• Hunting and cold searching for partners; 
• Experience with Telegram and X networks is a plus; 
• Managing 30+ active partners.

Evergame is a fast-growing e-commerce company specializing in video games, consoles (PlayStation, Xbox, Nintendo Switch), and gaming accessories. Our core business is wholesale and online sales, supported by our own website and internal CRM system, which help us efficiently manage and scale our business operations.

We are looking for a QA Specialist who will support testing of our website and internal CRM system. An external IT team handles development, and this role will work closely with them from the business side to test new features, identify issues, and ensure the stability and quality of our systems.

Your work will help us maintain a reliable platform and a smooth experience for both customers and our internal team. 🚀

Responsibilities:

• Testing internal programs and systems (manual testing);
• Participating in testing of new projects and features;
• Providing technical support for internal teams;
• Handling IT-related calls after 6:00 PM (flexible working hours);
• Working with Google Workspace tools (Docs, Sheets, Drive, etc.);
• Using AI tools within Google Workspace to improve workflows;
• Supporting ongoing QA processes and ensuring product quality.

Requirements:

• 0,5- 1 year of experience in QA (manual testing);
• Practical experience in executing QA processes, creating and maintaining test cases, and performing bug reporting;
• Hands-on experience with functional, regression, smoke, integration, exploratory, and cross-browser testing.
• Experience or confidence working with Google Workspace;
• Basic understanding of AI tools (or willingness to learn);
• Strong written and verbal communication skills in English (B1-B2 level);
• Good communication skills and responsibility;
• Flexibility in working hours when needed.

Nice to have:

• Experience in tech support or internal IT support;
• English at a level sufficient for work documentation.

We offer:

• Competitive salary with an annual review
• Fixed payment in USD
• Friendly, international, and willing to help the team
• Flexible working schedule (partly remote)
• 24 days of annual vacation + all state holidays due to Ukrainian legislation
• 3-5 days unpaid probation period (a few hours per day).

Responsible and hardworking applicants without prior experience but with strong English are welcome to send their CV.

We are building one of the most powerful live-streaming platforms, already connecting 400K+ monthly active users through live events, interactive video chats, and real-time community experiences. Our mission is bold: bring joy, fight loneliness, and deliver safe, ad-free entertainment that keeps people coming back. 

This is a complex, fast-moving space, and we love it that way! So, you will join a passionate, expert team tackling everything from scaling AI-powered recommendations to launching high-impact, data-driven features that boost monetization and engagement. Every idea counts here, and every release reaches a massive global audience.

We are now expanding into Arab countries and Europe, enhancing content quality, and rolling out new features to keep users hooked. We are among the Top 5 streaming products in the US and rank in the Top 10 worldwide. Our next milestone: break into the global Top 5, and we are moving fast to make it happen. Are you in?

About your role: As a Head of Account Management, you will lead and scale our partnerships with international partners and creators, driving their growth and long-term success on the platform. You will play a key role in shaping the partner ecosystem and unlocking new opportunities that contribute to the platform’s revenue and expansion.

Here your ideas matter — you’ll collaborate with a passionate team tackling complex challenges, from scaling creator ecosystems to leveraging data and AI-driven insights, while playing a key role in shaping the future of a product used by millions worldwide.

In this role, you will:

• Build and maintain long-term relationships with key Spanish-speaking partners
• Oversee and develop a portfolio of partners, ensuring strong performance and long-term collaboration
• Work with warm leads and support onboarding of new partners in collaboration with the inbound team
• Drive partner growth and development to increase overall project revenue
• Analyze partner performance and identify opportunities to improve engagement and results
• Provide partners with strategic recommendations and best practices to help them scale on the platform
• Collaborate with internal teams to strengthen the partner ecosystem and overall partner experience

It’s all about you:

• 2+ years of experience in a client-facing role (Account Manager, Business Development,  Customer Success, Sales, or Affiliate Manager)
• Spanish at B1+ level and English at B1+ level
• Familiarity with analytics platforms such as Tableau or Amplitude, strong analytical mindset and problem-solving skills
• Strong relationship-building and communication skills when working with partners or clients
• Results-driven, client-focused approach
• Excellent time management and prioritization skills
• Ability to work independently and structure information effectively

• Experience working with CRM tools

   

Would be a plus

• Leadership experience, including mentoring, guiding, or managing a team

What we offer

Care and support: 

• 20 paid vacation days, 15 sick days, and 6 additional days off for family events
• Up to 10 additional days off for public holidays
• 100% medical insurance coverage
• Sports and equipment reimbursement
• Team building events, corporate gifts, and stylish merch
• Financial and legal support
• Position retention and support for those who join the Armed Forces of Ukraine
• Participation in social initiatives supporting Ukraine
   

Comfortable working environment:

• Work from our Kyiv hub or remotely with a flexible schedule 
• Modern equipment or depreciation of your own tools
   

Investment in your future:

• Collaborate with a highly-skilled team of Middle & Senior professionals, sharing practical cases and expertise in the social networking niche
• 70% of our heads and leads have grown into their roles here – so can you!
• Performance-oriented reviews and Individual Development Plans (IDPs)
• Reimbursement for professional courses and English classes
• Corporate library, book club, and knowledge-sharing events
   

Hiring process

• Intro call
• Technical interview
• Test task
• Bar-raising 
• Reference check
• Offer

Trueplay is a Loyalty Booster Suite that enables iGaming brands to build lasting customer relationships based on trust and mutual benefit. It features three programs that ensure player interactions with gambling platforms are exciting right from the start.

We offer solutions on three epic levels:

• Acquisition and engagement — CopyStake introduces users to an iGaming website, allowing them to bet alongside their favorite streamers.
• Retention — the Play to Earn and Hold to Earn loyalty programs keep player engagement high by guaranteeing rakeback and distributing a share of the platform’s revenue.
• Brand equity — the tokenization of loyalty points helps transform users’ affinity for a brand into a personal interest in its financial success. In Trueplay’s take on Web3 loyalty, players feel like casino stakeholders.

More than 20 iGaming brands from 18 markets are fostering player loyalty with Trueplay. 

We are looking for a skilled and experienced Senior Python Developer to join our dynamic team. 

It is important for us that you have:

• 5+ years of commercial experience with Python
• Strong proficiency in Python 3.x
• Deep understanding of OOP principles and SOLID
• Experience with Django / FastAPI / Flask
• Strong experience designing RESTful APIs
• Solid understanding of microservices architecture
• Experience with PostgreSQL or MySQL
• Strong SQL skills and query optimization
• Experience with ORM (SQLAlchemy or Django ORM)
• Experience with Redis or other caching systems
• Experience with message brokers (RabbitMQ / Kafka)
• Hands-on experience with Docker
• Experience working with Linux environments
• Familiarity with CI/CD pipelines (GitHub Actions, GitLab CI, Jenkins)
• Strong testing experience (Pytest / Unittest)
• Experience with Git and code review processes
• Experience with Kubernetes
• Experience with AWS, GCP, or Azure
• Knowledge of Clean Architecture, DDD, Event-driven architecture
• Experience with Elasticsearch
• Familiarity with GraphQL
• Experience with data processing (Pandas, NumPy)

You will be responsible for:

• Design and implement scalable, high-performance backend systems
• Lead architectural decisions and contribute to system design
• Develop RESTful APIs and microservices
• Integrate third-party services and external APIs
• Optimize application performance and database queries
• Write clean, maintainable, and well-tested code
• Conduct code reviews and ensure best engineering practices
• Mentor Middle and Junior developers
• Collaborate closely with product managers, designers, and stakeholders
• Contribute to technical documentation
• Strong architectural thinking
• Ability to make independent technical decisions
• Excellent communication skills
• Experience mentoring developers
• Strong problem-solving skills
• Ability to estimate tasks and plan development cycles"

We offer:

• Hybrid format: Warsaw, Poland or Kyiv/Lviv, Ukraine
• Flexible working hours
• Compensation that includes coverage for 20 days to recharge and unwind
• Additional support covering 14 days for health-related matters when needed
• Support in professional growth during the initial months, with guidance from experienced team members
• Engaging corporate events and activities
• Competitive financial compensation

We are looking for you!
 

As we continue to design and build data-driven solutions across diverse domains — we’re seeking a Data Engineer who thrives on transforming data into impactful insights. If you’re passionate about crafting robust architectures, optimizing data pipelines, and enabling intelligent decision-making at scale, we’d love to have you join our global team and shape the next generation of data excellence with us.

Contract type: Gig contract.

Skills and experience you can bring to this role
 

Qualifications & experience:
 

• 5+ years of intensive experience as a Data Engineer or in a similar role, with a demonstrable track record of leading large-scale projects;
• Mastery in Python and data stack (NumPy, Pandas, scikit-learn);
• Good Understanding of SQL/RDBMS and familiarity with data warehouses (BigQuery, Snowflake, Redshift, etc.);
• Experience building ETL data pipelines (Airflow, Prefect, Dagster, etc);
• Experience with modern Scrum-based Software Development Life Cycle (SDLC);
• Strong communication skills to explain technical insights to non-technical stakeholders.

Nice to have:

• Hands-on experience with Python web stack (Fast API / Flask);
• Proven expertise in designing and optimizing large-scale data pipelines;
• Comprehensive understanding of data governance principles and data quality management practices;
• Understand marketing and media metrics (i.e., what conversion rate is and how it is calculated).
• Exceptional leadership, communication, and collaboration skills, with a knack for guiding and nurturing teams.
   

Educational requirements:

• Bachelor’s degree in Computer Science, Information Systems, or a related discipline is preferred.

What impact you’ll make 
 

• Lead the design, development, testing, and maintenance of scalable data architectures, ensuring they align with business and technical objectives;
• Spearhead the creation of sophisticated data pipelines using Python, leveraging advanced Snowflake capabilities such as Data Shares, Snowpipe, Snowpark, and more;
• Collaborate intensively with data scientists, product teams, and other stakeholders to define and fulfill intricate data requirements for cross-channel budget optimization solutions;
• Drive initiatives for new data collection, refining existing data sources, and ensuring the highest standards of data accuracy and reliability;
• Set the gold standard for data quality, introducing cutting-edge tools and frameworks to detect and address data inconsistencies and inaccuracies; and
• Identify, design, and implement process improvements, focusing on data delivery optimization, automation of manual processes, and infrastructure enhancements for scalability.

What you’ll get 
 

Regardless of your position or role, we have a wide array of benefits in place, including flexible working (hybrid/remote models) and generous time off policies (unlimited vacations, sick and parental leaves) to make it easier for all people to thrive and succeed at Star. On top of that, we offer an extensive reward and compensation package, intellectually and creatively stimulating space, health insurance and unique travel opportunities.

Your holistic well-being is central at Star. You'll join a warm and vibrant multinational environment filled with impactful projects, career development opportunities, mentorship and training programs, fun sports activities, workshops, networking and outdoor meet-ups.

We are the creators of a new fintech era!
Our mission is to revolutionize the world by making blockchain technology accessible to everyone in everyday life. WhiteBIT is a global team of more than 1,200 professionals united by a shared vision of shaping the Web3 future.
We are building our own blockchain ecosystem, ensuring maximum transparency and security for over 8 million users worldwide. Our cutting-edge solutions, rapid adaptation to market challenges, and technological excellence set us apart from traditional companies.
Our official partners include the National Football Team of Ukraine, FC Barcelona, Lifecell, FACEIT, and VISA.

The future of Web3 starts with you — join us as a Senior QA Engineer!

Requirements:

Education & Experience:
- Bachelor’s or Master’s degree in Computer Science, Computer Engineering, or a related STEM field
- 3+ years of experience in QA engineering or software testing
- Experience in high-throughput or low-latency environments (ideally quantitative systems, HFT, or financial applications)

Core Technical Skills:
- Strong knowledge of testing methodologies, version control, and SDLC best practices
- Strong mathematical background (probability theory, statistics, numerical methods relevant to trading strategy development)
- Experience testing REST APIs and WebSocket-based services
- Hands-on experience with monitoring and observability tools (e.g., Grafana, Prometheus, Kibana)
- Proficiency in writing SQL queries for data validation and debugging
- Familiarity with Linux command-line tools and Docker
- Confidence working with shell commands, logs, system tools, and process monitoring
- Experience with API testing tools (e.g., Postman)
- Proficiency in scripting/programming languages (Python)
- Experience with test automation frameworks (e.g., Pytest, Selenium, Pandas)
- Familiarity with version control systems and CI/CD workflows

Trading Systems Knowledge:
- Understanding of market microstructure and trading products (spot, futures, swaps)
- Ability to reason through quantitative problems and collaborate with researchers to implement models
- Familiarity with low-latency and high-frequency trading (HFT) systems

Problem-Solving & Analytical Skills:
- Strong analytical and problem-solving skills
- Commitment to testing and quality assurance
- Proven ability to independently solve complex technical challenges with real industry impact
- Experience with automated testing, continuous integration, and deployment processes

Mindset & Soft Skills:
- Passion for technology, problem-solving, and continuous learning
- Intellectual curiosity and drive to grow in the quantitative finance industry
- Team player with strong communication skills
- Reliable and predictable availability to support production trading systems.

Обов'язки

As a QA Engineer, you will be an integral part of a high-performance team focused on:
- Low-latency infrastructure
- HFT and quantitative systems
- Real-time risk management tools
- You will work closely with developers, analysts, and system engineers to ensure the profitability, scalability, and reliability of our systems.

Key Responsibilities:
- Design, develop, and execute comprehensive test plans for trading infrastructure and internal tools, ensuring low latency, high availability, and scalability
- Build and maintain automated test suites for real-time quantitative systems and APIs
- Collaborate closely with developers and analysts to clarify requirements, align on edge cases, and ensure proper test coverage
- Investigate and debug issues in complex distributed systems
- Contribute to performance testing, latency benchmarking, and system monitoring
- Support CI/CD pipelines with automated testing strategies
- Maintain high standards of test coverage and documentation

Work conditions:

Immerse yourself in Crypto & Web3:
— Master cutting-edge technologies and become an expert in the most innovative industry.
Work with the Fintech of the Future:
— Develop your skills in digital finance and shape the global market.
Take Your Professionalism to the Next Level:
— Gain unique experience and be part of global transformations.
Drive Innovations:
— Influence the industry and contribute to groundbreaking solutions.
Join a Strong Team:
— Collaborate with top experts worldwide and grow alongside the best.

Work-Life Balance & Well-being:
— Modern equipment.
— Comfortable working conditions, and an inspiring environment to help you thrive.
— 24 calendar days of paid leave.
— Additional days off for national holidays.

With us, you’ll dive into the world of unique blockchain technologies, reshape the crypto landscape, and become an innovator in your field. If you’re ready to take on challenges and join our dynamic team, apply now and start a new chapter in your career!
Let’s Build the Future Together!

🟩 About this opportunity

🟢 Join Dev.Pro - a US-based outsourcing software development company that has been delivering exceptional software experience to clients since 2011.

We invite an Intermediate Manual Test Engineer with strong expertise in API testing to join our QA team and collaborate with a trusted leader in the Point-of-Sale industry, whose flagship product has over 100,000 global installations. 

This is fully remote role, where you’ll contribute to our client’s new initiative focused on creating data mapping between diverse menu order systems and integrating two distinct APIs to ensure seamless and accurate data transfer.

🟩 What's in it for you:

• Work on a stable product with 7+ years in production, trusted by leading global brands 
• Enhance your manual testing expertise with a focus on API testing 
• Join a collaborative, supportive, and experienced team, working closely with a client who values team input

✅ Is that you?

• 2+ years of experience in manual testing 
• Hands-on API testing experience (Postman)
• Experience writing detailed test cases, test plans, and bug reports
• Strong understanding of software testing methodologies
• Experience with SQL for database querying and test validation
• Experience with WEB applications testing
• Strong analytical, problem-solving, and debugging skills
• Excellent communication and collaboration skills
• Upper-Intermediate+ English level
 

Desirable:

• Experience with non-relational databases
• Knowledge of cloud environments (AWS)
 

🧩Key responsibilities and your contribution 
• Conduct manual testing for APIs, ensuring functionality, performance, and quality
• Create and execute detailed test cases, test plans, and bug reports
• Work closely with the development and QA teams to align testing efforts with software requirements and ensure comprehensive test coverage
• Identify, document, and track defects, ensuring timely resolution
• Analyze test results and suggest improvements to enhance software quality
• Maintain and update detailed test documentation
• Participate and contribute in team meetings

🎾 What's working at Dev.Pro like? 

✅Get 30 paid rest days per year to use as holidays/vacation/other on the desired and requested dates
✅5 sick leave days, up to 60 days of medical leave, and up to 6 days of leave per year due to family reasons (i.e., wedding/funeral/baby birth)
✅Get a health insurance package on reimbursement basis 
✅Join fun online activities and team-building events
✅Get continuous remote HR, payroll support, and overtime coverage 
✅Join English/Polish lessons 
✅Grow your expertise with mentorship support and DP University

Our next steps:

✅ Intro call with a Recruiter — ✅ Interview — ✅ Offer