qa engineer backend

AppsFlyer is known for its massive backend production. At any given moment thousands of servers are consuming 150+ billion mobile app events, crunching our users’ data, serving requests and communicating on a massive scale. To maintain the universe we call AppsFlyer, we practice modern production operations with a complete self-serve CI/CD platform, a...

About you You are a senior-level QA professional who excels in complex, fast-paced environments. You are a natural problem-solver who enjoys tracing root causes and investigating intricate system behaviors. You thrive on technical responsibility and acting as a bridge between diverse engineering teams. You are self-motivated, highly organized, and...

At DraftKings, AI is becoming an integral part of both our present and future, powering how work gets done today, guiding smarter decisions, and sparking bold ideas. It’s transforming how we enhance customer experiences, streamline operations, and unlock new possibilities. Our teams are energized by innovation and readily embrace emerging technology....

At DraftKings, AI is becoming an integral part of both our present and future, powering how work gets done today, guiding smarter decisions, and sparking bold ideas. It’s transforming how we enhance customer experiences, streamline operations, and unlock new possibilities. Our teams are energized by innovation and readily embrace emerging technology....

Innovecs is a global digital services company with a presence in the US, the UK, the EU, Israel, Australia, and Ukraine. Specializing in software solutions, the Innovecs team has experience in Supply Chain, Healthtech, Collaboration Tech, and Gaming. For the fifth year in a row, Innovecs is included in the Inc. 5000, the list of fastest-growing private...

We are looking for an experienced QA Automation Engineer to join a technology team developing a next-generation platform for advanced traffic management and complex junction scenarios. The platform leverages advanced sensor fusion and complex software components to support reliable and intelligent traffic management solutions. As part of the QA team, you...

As a Senior General QA Engineer at Leobit company, you will play a crucial role in building quality directly into our SDLC and STLC processes. You must be capable of analyzing requirements, communicating effectively with customers, and translating business needs into technical specifications. You will perform both manual and automated testing of web...

We are seeking a Senior GenAI/AI Backend Engineer to design, implement and maintain scalable AI-powered applications, focusing on seamless integration of OpenAI APIs and robust backend services in cloud environments.This role offers shifted working hours - till 10 pm (Kyiv time).ResponsibilitiesDevelop and optimize backend services for AI/LLM...

Goodface — агенція дизайну та розробки, яка допомагає tech-компаніям перетворювати цифровий досвід на конкурентну перевагу. Ми саме для тих людей, які хочуть бачити, як їхня робота стає реальним...

About the roleJoining Keepit as a QA Engineer, you will become an integral part of a cross-functional product team, helping ensure quality across the entire product development lifecycle. You will work closely with engineers, product managers, and stakeholders to deliver reliable, scalable, and high-quality solutions. You will be joining an existing,...

Привіт, давай знайомитись ближче.Ми — Quarks, технологічна компанія, що створює нішеві продукти у сфері Social Discovery & Relationship Wellness. Фокусуємось на розробці безпечних та ефективних рішень для знайомств і...

Company DescriptionFounded in 1999, the company has a premium listing on the Main Market of the London Stock Exchange and is focused on regulated and regulating markets across its B2B business. By leveraging its proprietary technology, Playtech delivers innovative products and services to ensure a safe, engaging and entertaining gaming experience.As the...

Company DescriptionFounded in 1999, the company has a premium listing on the Main Market of the London Stock Exchange and is focused on regulated and regulating markets across its B2B business. By leveraging its proprietary technology, Playtech delivers innovative products and services to ensure a safe, engaging and entertaining gaming experience.As the...

AppsFlyer is known for its massive backend production. At any given moment thousands of servers are consuming 150+ billion mobile app events, crunching our users’ data, serving requests and communicating on a massive scale. To maintain the universe we call AppsFlyer, we practice modern production operations with a complete self-serve CI/CD platform, a...

What should you know about SKELAR? It's a venture builder — in other words, a company that builds companies. Together with founders, we create consumer businesses that become leaders in global markets across EdTech, Mental Health, Petcare, FashionTech, and beyond.Our teams build tech products that win recognition from Product Hunt and The Webby Awards,...

Passionate about programming. We are not looking for a person who only delegates, but ratherdelegates, builds systems, unloads himself, writes the code of the complex things himself● Technical writing skills. Experience of creating a documentation from scratch for a medium levelbusiness● Working in a fintech/proptech product Scale-up● Team leading on...

DescriptionCiklum is looking for a Backend Software Engineer to join our team full-time in Ukraine.We are a custom product engineering company that supports both multinational organizations and scaling startups to solve their most complex business challenges. With a global team of over 4,000 highly skilled developers, consultants, analysts and product...

AI-native, all-in-one Transportation Management System (TMS) for modern trucking operations. The platform helps carriers, brokers, hybrid operators, private fleets, and enterprise teams manage the full workflow — from dispatch and delivery to invoicing and financial visibility — all in one place. The product is already operating at scale: used by 1,000+...

We’re growing fast and looking for a Senior Backend Engineer to join our Engineering team and help build the infrastructure that powers our platform at scale.This is a high-impact role where you’ll work alongside top-tier engineers, designing and building secure, high-performance systems in a fast-paced environment. If you enjoy solving complex technical...

Our Mission and VisionAt Solidgate, our mission is clear: to empower outstanding entrepreneurs to build exceptional internet companies. We exist to fuel the builders — the ones shaping the digital economy — with the financial infrastructure they deserve.We’re building the #1 payment orchestrator in the world — and the names behind us prove it....