We are looking for a Senior QA Engineer to join our Discovery Platform team to engineer quality into complex backend systems and ensure reliability and safe releases.
Locations (2)
Prague, Prague, Czech Republic
EU
Compensation
25 days of holidays + 5 flexi-days. Pluxee Flexi Card (up to 16 000 CZK per year - valid only for Czech employees). Anniversary rewards.
Responsibilities
Closely collaborate with developers to deliver features & fixes in quality
Bring quality mindset to the whole development cycle from planning to release
Improve the way we work
Define and monitor quality metrics
Write automated tests and participate in manual testing
The role owns the Engagement domain — covering merchant engagement, product activation, support responses, and navigation across the SuperApp and web dashboard — and is the primary analytics partner for the Engagement product team.
Responsibilities
Define event taxonomies and measurement plans
implement and QA tracking (GA4)
build and maintain scalable datasets in Snowflake — including funnels, customer behaviour models, and feature adoption metrics
Design and evaluate A/B tests
Create and maintain intuitive dashboards and reusable query templates in Tableau
The Junior Support Analyst will maintain and optimize real-time market data systems, ensure high availability, and collaborate with users and developers to support global financial market data platforms.
Responsibilities
Maintain and optimize real-time market data systems
Ensure high availability and platform performance
Collaborate with users and developers on global migrations
Monitor systems and ensure platform stability
Identify automation and efficiency improvements
Requirements
Bachelor's degree in computer science or a related STEM subject (science, technology, engineering, maths)
Responsible for managing biological samples, ensuring integrity, overseeing quality control, and supporting research projects that rely on biological specimens.
Locations (2)
Austin, Texas, United States
United States
Compensation
$23—$25 USD
Responsibilities
Oversee collection, preparation, and processing of biological samples
Maintain proper documentation and labeling of samples
Ensure proper storage conditions for various types of biological samples
Implement inventory management procedures
Manage and update the sample database
Requirements
Bachelor’s degree in Biological Sciences, Biotechnology, Molecular Biology, or a related field
Nice to have: FreezerPro
Nice to have: LabArchives
Nice to have: LabWare
Nice to have: snowflake based database
Treasury Associate, Cash Management & Working Capital
Responsible for cash flow planning, liquidity management, working capital optimization, and treasury operations in a multi-entity, multi-currency environment.
Responsibilities
Maintain and improve short- and medium-term cash flow forecasts
Analyze historical cash flows and operational drivers
Consolidate and validate inputs from AR/AP, FP&A, Operations, Tax and Payroll
Investigate discrepancies between systems and bank transactions
Monitor forecast versus actuals and refine assumptions
Requirements
Bachelor’s degree in Finance, Accounting, Economics, Commerce or related field
Seeking an NLP engineer for a NLP research team to develop modern NLP solutions including LLMs, agents, RAG, and open-source models fine-tuning and deployment.
Responsibilities
Exploring and combining rich internal and external textual datasets
Building GenAI solutions, leveraging both internal models and external APIs
Formulating research hypothesis to derive alpha
Post-training models for specific tasks
Benchmarking LLM approaches internal tasks
Requirements
Bachelor in computer science or another quantitative discipline
Master’s in computer science or another quantitative discipline
PhD in computer science or another quantitative discipline
Lead key initiatives across authentication, feature access, account recovery, and cross‑platform experience, while guiding the evolution of Mozilla’s payments platform.
Lead end‑to‑end delivery of key accounts initiatives, including passwordless authentication and improvements to the authentication and account recovery experience across platforms.
Manage the Mozilla Accounts and Subscription Platform product roadmap, setting clear priorities aligned to strategic goals and driving focused execution.
Guide improvements to Mozilla’s subscription platform across payments, entitlements, and metering, partnering with product teams to support their subscription offerings.
Seek out and leverage data and user insights and market research to drive impact through experimentation.
Partner closely with engineering, UX, and cross‑functional teams to maintain a focused, outcome‑driven backlog.
The role focuses on developing Python applications, quantitative tools and data infrastructure that support trading decisions, research and risk management across Commodities, Agriculture, Metals and Energy.
Responsibilities
Design, develop and deploy quantitative tools supporting trading and research, including pricing, backtesting, risk analysis and PnL reporting
Build Python applications and data pipelines to explore, integrate and analyse alternative datasets, including weather and cargo data
Collaborate with Quantitative Researchers and Traders to translate trading ideas and business requirements into production applications and quantitative models
Architect, develop and maintain cloud applications in collaboration with infrastructure engineers, using AWS and related technologies
Develop and apply statistical and machine learning models to support research and trading across Agriculture, Metals and Energy
Lead the design and implementation of scalable, resilient backend systems and services, own architectural decisions, mentor engineers, and drive technical strategy for backend systems.
Responsibilities
Lead the design and implementation of scalable, resilient backend systems and services
Own architectural decisions and drive system design for complex, high-scale distributed systems
Identify and solve deeply complex technical challenges related to scalability, performance, and reliability
Define and drive short-term and long-term technical strategy for backend systems
Establish and enforce high standards for code quality, system design, and engineering best practices
QA Engineer - DiscoveryNewIP Fabric · Prague, Czech Republic+1 more.png?1742825768)
Junior Support AnalystNewmthree Recruiting Portal · Hong Kong, Hong Kong
Research Associate 1NewNatera · Remote, US+1 more
Treasury Associate, Cash Management & Working CapitalNewNivoda · Mumbai, India
NLP EngineerNewPoint72 · New York, US
Staff Product Manager, Accounts & PaymentsNewMozilla · Remote, Canada
Cloud Platform Engineer (DB Specialist)NewPayPay · Japan
Quantitative Developer - Commodities (Python)NewQube Research & Technologies · London, United Kingdom
Software Development Engineer - 3 (Backend)NewQuince · Bengaluru, India