São Paulo, São Paulo, Brazil · Remote OK
Company Description Are you passionate about ensuring accuracy in complex financial systems where every calculation matters? We are looking for a Senior Manual QA Engineer with a strong analytical mindset to join a produ…
Skills: Manual Quality Assurance, SQL, Postman, REST APIs, Financial Data Validation
São Paulo, São Paulo, Brazil · Remote OK
Company Description Are you passionate about ensuring accuracy in complex financial systems where every calculation matters? We are looking for a Senior Manual QA Engineer with a strong analytical mindset to join a produ…
Skills: Manual Quality Assurance, SQL, Postman, REST APIs, Financial Data Validation
Kyiv, Ukraine · On-site
Company Description We are looking for a Integration Manager to join a project focused on AI-powered pricing solutions for enterprise retail businesses. In this role, you will drive customer integrations, support data qu…
Skills: SQL, Data Engineering, Integration Management, Business Requirements Analysis, Data Integration
Kyiv, Ukraine · On-site
Company Description We are looking for a Integration Manager to join a project focused on AI-powered pricing solutions for enterprise retail businesses. In this role, you will drive customer integrations, support data qu…
Skills: SQL, Data Engineering, Integration Management, Business Requirements Analysis, Technical Communication
Lisbon, Portugal · On-site
Company Description Join a product-focused engineering team working on customer growth initiatives that directly influence business scalability and user experience. You will contribute to the evolution of onboarding, sub…
Skills: Node.js, React, TypeScript, AWS, MySQL
Warsaw, Masovian Voivodeship, Poland · Remote OK
Company Description Are you passionate about building scalable products that contribute to innovation in healthcare and life sciences? We are looking for a Senior Full Stack Software Developer to join a long-term remote …
Skills: JavaScript, TypeScript, React, Next.js, NestJS
Lisbon, Portugal · Remote OK
Company Description Join a product-focused engineering team building experiences used by millions of users worldwide. We are looking for a Middle/Senior Front-End Engineer who is passionate about creating scalable custom…
Skills: React, TypeScript, JavaScript, RxJS, Software Quality
São Paulo, São Paulo, Brazil · Hybrid
Company Description Are you ready to take on a high-impact role in building cutting-edge advertising technology? We are looking for a Lead/Principal Go Developer to join our team and design a high-load, low-latency real-…
Skills: Golang, Distributed Systems, Low-latency Systems, OpenRTB, Protobuf
São Paulo, São Paulo, Brazil · Remote OK
Company Description Are you ready to take on a high-impact role in building cutting-edge advertising technology? We are looking for a Lead/Principal Go Developer to join our team and design a high-load, low-latency real-…
Skills: C++, Golang, Distributed Systems, Low-latency Systems, JSON
Warsaw, Masovian Voivodeship, Poland · Remote OK
Company Description Are you passionate about building scalable products that contribute to innovation in healthcare and life sciences? We are looking for a Senior Full Stack Software Developer to join a long-term remote …
Skills: JavaScript, TypeScript, React, Next.js, NestJS
Bucharest, Romania · Remote OK
Company Description Are you passionate about building reliable automation solutions for products that make an impact in healthcare? We are seeking a Senior Test Automation Engineer with extensive experience in designing …
Skills: Test automation, JavaScript, TypeScript, Python, Playwright
Kyiv, Ukraine · On-site
Company Description Are you ready to take on a high-impact role in building cutting-edge advertising technology? We are looking for a Lead/Principal Go Developer to join our team and design a high-load, low-latency real-…
Skills: Golang, Back-end development, Distributed systems, High-load systems, Low-latency systems
Krakow, Lesser Poland Voivodeship, Poland · On-site
Company Description Are you ready to take on a high-impact role in building cutting-edge advertising technology? We are looking for a Lead/Principal Go Developer to join our team and design a high-load, low-latency real-…
Skills: Golang, Back-end development, Distributed systems, Real-time bidding, AdTech
Warsaw, Masovian Voivodeship, Poland · On-site
Company Description We are looking for a Middle/Senior Front-end Developer to join our team and help us develop the best solutions for our clients. Working as a Front-end Developer on this project requires a mindset wher…
Skills: React, TypeScript, JavaScript, GraphQL, Material UI
Warsaw, Masovian Voivodeship, Poland · On-site
Company Description Join a fast-growing international project where your work will impact mobile products used by millions of users worldwide. We are looking for a Middle/Senior React Native Developer with strong mobile …
Skills: React Native, React, TypeScript, GraphQL, GitHub
Warsaw, Masovian Voivodeship, Poland
Company Description Join a fast-growing international project where your work will impact mobile products used by millions of users worldwide. We are looking for a Middle/Senior React Native Developer with strong mobile …
Bucharest, Romania · On-site
Company Description Are you passionate about building reliable automation solutions for products that make an impact in healthcare? We are seeking a Senior Test Automation Engineer with extensive experience in designing …
Skills: Test Automation, TypeScript, Python, Playwright, Cypress
Bucharest, Romania · On-site
Company Description We are looking for a Senior Full Stack Engineer with AI to help design, develop, and operate modern cloud-based applications for the healthcare domain. In this role, you will work across Front-end, Ba…
Skills: React, Angular, Java, Spring Boot, Python
Warsaw, Masovian Voivodeship, Poland · On-site
Company Description Join Sigma Software’s Stellar team — a dedicated business unit specializing in Advertising Technology solutions. Stellar is a vibrant community of 300+ experts who have been partnering with the world’…
Skills: Project Coordination, People Management, Recruitment, Stakeholder Communication, Project Documentation
Lviv, Lviv Oblast, Ukraine · Hybrid
Company Description We are seeking a proactive and experienced HR People Partner to join our friendly and professional team at Sigma Software. This is a Middle-level position with a flexible work format, allowing you to …
Skills: Personnel Evaluation, Employee Onboarding, Employee Motivation, Corporate Culture Development, HR Interviewing
São Paulo, São Paulo, Brazil • Remote OK
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Perform comprehensive manual testing of financial workflows, revenue calculations, and transactional data to ensure system accuracy. Collaborate with engineering and product teams to investigate discrepancies, execute regression tests, and drive quality throughout the development lifecycle.
Requires 5+ years of experience in manual QA with strong proficiency in SQL and REST API testing. Candidates must possess an analytical mindset, experience with complex financial data validation, and the ability to work independently in an Agile environment.
Are you passionate about ensuring accuracy in complex financial systems where every calculation matters? We are looking for a Senior Manual QA Engineer with a strong analytical mindset to join a product focused on revenue operations and financial data validation.
At Sigma Software, you will work alongside engineers and product stakeholders to ensure the correctness of revenue-related workflows, calculations, and business-critical functionality. This is a remote-friendly opportunity for specialists who enjoy investigative testing, deep analysis, and independent decision-making.
Why join us? You will have the opportunity to work on a high-impact financial platform, influence quality processes, and contribute to a collaborative engineering culture focused on precision and continuous improvement.
The Customer develops a modern revenue platform designed for finance and accounting teams. The product operates with business-critical financial data where accuracy, consistency, and reliability are essential across all workflows and calculations.
The project focuses on validating and improving a revenue management platform that handles complex business logic, financial formulas, and transactional data. The role requires investigative testing, deep validation of calculations, and close collaboration with engineering and product teams to identify discrepancies and ensure system correctness.
We turn ideas into products that make the world a better place
Sigma Software Group, an award-winning and trusted IT partner, has been serving customers for over 24 years, providing comprehensive IT solutions to various businesses, ranging from startups to established software product houses. As one of Europe's substantial IT consultancies, it brings together a dedicated workforce of over 2,000 professionals in 40+ offices across 21 countries. With a diverse client base, including more than 300 enterprises, including Fortune 500 stalwarts, Sigma Software Group is a preferred choice for developing solutions that help businesses create cutting-edge products while meeting their unique needs. Sigma Software Group operates as a dynamic ecosystem of tech companies, offering 25 ready-to-implement innovative products and 40+ value-added services. Furthermore, Sigma Software Group is committed to fostering innovation through initiatives such as the Sigma Software Labs business incubator, Sigma Software University, the SID Venture Partners VC Fund, UA Tech Network, Techosystem, the European Business Association, and other collaborative efforts. Since 2002, Sigma Software Group has consistently earned recognition on the IAOP's prestigious World's Top 100 Outsourcing list. The company's accomplishments have also been acknowledged by prominent global media outlets such as Forbes, CNBC, The Times, and Reuters.
Offices: Hornsgatan 1, Stockholm, 18 46, SE · 1 Ac. Proskury Str., Kharkiv, 61070, UA · 7 Lekha Kachynskoho Str., 3rd floor, Odesa, 65026, UA · 58 Yaroslavska Str., BC Astarta, Kyiv, Kyiv 04071, UA · 7d, Naukova Str., Lviv, UA
We turn ideas into products that make the world a better place
Sigma Software Group, an award-winning and trusted IT partner, has been serving customers for over 24 years, providing comprehensive IT solutions to various businesses, ranging from startups to established software product houses. As one of Europe's substantial IT consultancies, it brings together a dedicated workforce of over 2,000 professionals in 40+ offices across 21 countries. With a diverse client base, including more than 300 enterprises, including Fortune 500 stalwarts, Sigma Software Group is a preferred choice for developing solutions that help businesses create cutting-edge products while meeting their unique needs. Sigma Software Group operates as a dynamic ecosystem of tech companies, offering 25 ready-to-implement innovative products and 40+ value-added services. Furthermore, Sigma Software Group is committed to fostering innovation through initiatives such as the Sigma Software Labs business incubator, Sigma Software University, the SID Venture Partners VC Fund, UA Tech Network, Techosystem, the European Business Association, and other collaborative efforts. Since 2002, Sigma Software Group has consistently earned recognition on the IAOP's prestigious World's Top 100 Outsourcing list. The company's accomplishments have also been acknowledged by prominent global media outlets such as Forbes, CNBC, The Times, and Reuters.
Offices: Hornsgatan 1, Stockholm, 18 46, SE · 1 Ac. Proskury Str., Kharkiv, 61070, UA · 7 Lekha Kachynskoho Str., 3rd floor, Odesa, 65026, UA · 58 Yaroslavska Str., BC Astarta, Kyiv, Kyiv 04071, UA · 7d, Naukova Str., Lviv, UA
