QA Engineer (Data Stack)

At Exness, we are not just a leading trading broker - we’ve reimagined what it takes to be a leader. With 40M+ trades a day and 2,000+ people across 13 countries, we combine scale, care, and real tech to make trading better for 1M+ clients worldwide.

Recognised globally as a Best Place to Work, we’re a people-first company where long-term wins always matter more. As part of our team, you will shape the future of fintech with real technology, care, and purpose.

Why this role matters

As a Quality Assurance Engineer, you will be a part of the Trading Data Flow team. The team is responsible for integration and processing of all trading-related data within the company.

A chosen candidate will be deeply engaged in the activities and projects of our cross-functional team. About us: our team is international, and we use English as a primary language. We develop data products like a DWH, data integration tools, data streaming tools, and APIs to access our data. We work with other teams and their data sources to collect data for our DWH. We provide data products like data marts and aggregated and streaming data for internal customers. This data supports Data-Driven Decision Making. All our work has an impact on business development at Exness.

You will be responsible for owning test strategies, improving tools and processes, validating them, running e2e suites, and empowering a development team to move faster with higher confidence in quality. You will work in a highly collaborative environment and own the testing process end-to-end!

We expect you to be ready to dive deep in data, understand our business, understand the MetaTrader data model, the business logic of our data marts, help developers to investigate bugs, occasionally conduct data analysis tasks as well, and suggest ways to improve. We need a versatile QA Engineer who is ready to contribute to the team's success. ​​The team, in turn, is ready to provide deserved appreciation and recognition.

The role is based in our Limassol office, Cyprus. In case of relocation, we offer full relocation support for you and your family to make your move smooth and worry-free.

What you'll actually do

• Collaborate in the planning, design, development, deployment, and enhancements of data integration products and DWH.
• Develop, construct and maintain test suites to verify the validity and accuracy of Data Integration and ETL processes.
• Drive AI integration (e.g., agents, LLMs) across QA processes, including monitoring, testing, data quality assurance, and automated code review.
• Collaborate with the team to define and describe data policies, standards, and guidelines for other teams to connect their data sources.
• Collaborate with the team on designing and implementing reconciliation, monitoring, alerting, and other data quality processes.
• Investigate with the team data quality issues and work on data quality improvement.
• Ensure data solutions quality will support business requirements
• Help with the definition and implementation of the best practices within the team that ensure the quality of the data solutions.
• Collaborate with the team members on troubleshooting and resolving issues.
• Analyze and test new features before the kick-off meetings.
• Participate in user acceptance testing.

Who we’re looking for

• 4+ years of proven experience as a Quality Assurance Engineer.
• Proven experience leveraging AI tools and agents (e.g., Cursor, Cursor, Claude Code, Codex) to enhance QA efficiency and process orchestration.
• Expert SQL knowledge (especially in ClickHouse) is a must-have.
• Automation experience with Python (pytest).
• Experience with data streaming products (like Kafka Connect, Flink) is a must-have.
• Hands-on testing experience in working with stream processing systems is a plus.
• Strong Experience with Docker/k8s is a plus
• Experience with Grafana, PagerDuty, Terraform is a plus.
• Understanding of data modeling, warehousing, ETL, and data integration techniques.
• Experience influencing software engineers with the best practices within your team.
• Excellent analytical and problem-solving skills.
• Result-driven orientation (prioritizing, taking the initiative, taking ownership).
• Excellent verbal and written communication skills.
• Spoken and written English – upper-intermediate level or above.
• Spoken and written Russian – upper-intermediate level or above (optional).

What we offer along the way

• Competitive salary and annual performance bonus
• Full relocation support for you and your family — flights, housing, visas, and legal assistance included
• Top-tier health insurance with full family coverage — medical, dental, vision, mental health — plus life insurance for peace of mind
• Unlimited learning opportunities: external courses, English lessons, career and leadership development
• Education allowance covering school and kindergarten fees
• 21 working days of annual leave, plus public holidays and fully paid sick, maternity, and paternity leave
• Employee appreciation program: branded gifts, birthday day-offs, celebration budgets for weddings, newborns, and milestones
• “Get to know Team” trips — meet colleagues across our global hubs, along with company-wide offsites that raise the bar
• Employee share scheme — grow with us
• Branded MINI Cooper Countryman company car and private parking
• Free in-house sports clubs, Sanctum Club gym access, and jet skis
• Access to a Corporate doctor
• Exclusive discount program with cafes, gyms, and local services
• Expat tax perks: up to 50% income tax exemption
• Support with the naturalisation process for relocated employees

At Exness, we know that changing jobs - and changing countries - is a big step. That’s why relocation with Exness is different. We make it smooth, supported, and truly life-changing.

What your journey looks like

1. Intro call with Recruiter (30 minutes)
2. English check (if needed)
3. Tech interview & Live-coding (90 minutes)
4. Behavioural interview (60 minutes)

What it's like here

We share the real Exness experience - our people, ideas, moments, and everything in between.

Sounds like you? Apply.

Please note: We occasionally amend or withdraw Exness jobs and reserve the right to do so at any time, including prior to the advertised closing date. Before applying, you are advised to read our data protection policy. This policy describes the processing that may be associated with your personal data and informs you that your personal data may be transferred to Exness/Exness Group companies around the world. Exness Group and its approved recruitment consultants will never ask you for a fee to process or consider your application for a career with Exness. Anyone who demands such a fee is not an authorized Exness representative and you are strongly advised to refuse any such demand.

At Exness, we're an equal opportunity employer where every individual is valued. No matter your race, color, religion, sex, national origin, sexual orientation, gender identity or disability, we welcome you. As an international fintech company, we embrace the richness of our diverse team, respecting each individual and promoting gender equality for all genders in our workforce.