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- ...personalization, and recommendation algorithms behave, and connect model performance to real business outcomes. During the interview process we will... ...impact. What You'll Do Design, run, and analyze A/B tests measuring impact on key business metrics like revenue ,...PerformanceFull time
Constructor
Brazil18 days ago - ...Responsibilities Design, build, and maintain automated UI tests for web and mobile applications. Execute exploratory and manual testing to validate new features, edge cases, and customer journeys. Collaborate closely with frontend and mobile engineers throughout...SuggestedFull time
Kraken
Brazil25 days ago - ...and IAM. Improve system reliability, maintainability, and performance in an existing production codebase. Apply security-conscious... ...legacy systems incrementally. Familiarity with observability, testing strategy, and deployment pipelines. Experience in regulated...PerformanceRemote work
Workana
Brazil12 days ago - ...with the ability to make architectural decisions around cost, performance, and scalability Experience with or passion for generative... ...standards, code reviews, source control management, build processes, testing, and operations Bachelor's degree in computer science or...PerformanceFull timeInternship
Ciandt
Brazil19 days ago - ...over architecture. A direct line between what you build and how it performs in production. Enterprise foundation: Long-term financial... ...opportunity. About the Role As a Software Development Engineer in Test (SDET) at Ordermesh Inc, you will be a key force in evolving our...PerformanceFull timeContract work
OrderMesh
Brazila month ago - ...capabilities. Diagnose production issues and improve application performance, stability, and security. Contribute to technical decisions... ...during regular team calls. Write clean, maintainable, well-tested code and contribute directly to implementation without relying...PerformanceLong term contractFull timeRemote workTrial period
Workana
Brazil12 days ago - ...requirements Supervise inspection personnel, including scheduling and performance management Train employees on quality procedures Perform... ...Evaluate the precision and accuracy of production, testing, measurement, and analytical equipment through MSA studies...PerformanceFull time
The HT Group
Brazil24 days ago - ...comparable technologies. Improve consistency across development, testing, staging, and production environments. Build and maintain... ...involving infrastructure, networking, application deployment, performance, capacity, or cloud services. Participate in incident...PerformanceFull time
Solvd
Brazil12 days ago $4,500 - $6,000 per month
...implement the foundational design patterns, layer boundaries, and performance benchmarks for a completely fresh native mobile rebuild... ...caching models using Room, Realm, or SQLite databases. Rigorous Test Automation Governance: Ensure total feature stability prior to...PerformancePermanent employmentFull timeContract workFor contractorsLocal areaRemote workShift workSpace Inch
Brazila month ago- ...built for both individual investors and institutional clients. Performance marketing is being rebuilt from first principles. The manual... ..., CRM, or lifecycle messaging systems Exposure to A/B testing and experimentation frameworks Background in fintech, consumer...PerformanceFull time
Kraken
Brazil23 days ago - ...pull requests from other developers, enforcing code quality, performance, and architectural consistency across the codebase. Environment... ...-native diagnostic tools, job logs, and table history. Testing & Automation: Maintain and improve the automated testing pipeline...PerformanceFull timeImmediate start
Ciandt
Brazil16 days ago - ...retention strategy, customer lifecycle optimization, and email/SMS performance across sophisticated consumer brands. This is not an... ..., including segmentation strategies, automation architecture, testing plans, and customer journey optimization. Develop structured...PerformanceFull timeRemote work
Paired
Brazil23 days ago - ...platform configuration based on client requirements. Support data collection, data validation, and system setup activities. Oversee testing activities, including payroll validation, user acceptance testing (UAT) , and readiness for production. Ensure implementation...SuggestedFull timeLocal area
Globalli
Brazil19 days ago - ...with detailed analysis. Also help in code fixes and rigorous testing where required Good knowledge of Unix, SQL and scripting languages... ...and continuous delivery Continually focus on enhancing the performance of the applications Work effectively in collaboration with...PerformanceImmediate start
- ...: threat modelling sessions, secure code review, API security testing, and CI/CD pipeline checks Help review and monitor AI/agentic... ...options, so you own part of what you build Discretionary performance bonus The latest tools and technology A world-class team...PerformanceRemote jobFull timeWork experience placementWork at office3 days per week
$80k
...companies in America (Inc. 5000) and among the most effective performance media agencies of the 2020s (Varos) . Our founders were... ...minimum monthly aggregate spend. ~ Expertise in developing, testing, and optimizing advertisement copy and short form video creative...PerformanceFull timeWork at officeLocal areaRemote workFlexible hoursDarkroom
Brazila month ago- ...the metrics that matter, build the connection between product performance and business results, and turn ambiguous questions into clear,... ...opportunities and guide product strategy Design, run, and analyze A/B tests to evaluate product changes Set up analytics for product...PerformanceFull time
Constructor
Brazil17 days ago - ...microfabrication and process-integration methods. Assess device scaling, performance, yield, and reliability considerations. Evaluate materials... ...in yield optimisation, failure analysis, or reliability testing. Experience contributing to technical publications, patents...PerformanceFreelanceRemote work
Gramian Consulting
Brazil16 days ago - ...markets. This is a highly hands-on role for someone who thrives in performance marketing and enjoys making data-driven decisions that directly... ...creative teams to continuously improve campaign performance, test new acquisition strategies, and scale marketing investment...PerformanceFull timeRemote workWorldwideFlexible hours
Pragmatike
Brazila month ago - ...modelling standards, secure code review practices, API security testing strategy, and security pipeline architecture Define the... ...Stock options, so you own part of what you build Discretionary performance bonus The latest tools and technology A world-class team...PerformanceRemote jobFull timeWork at office3 days per week
- ...Establish robust measurement frameworks, combining attribution, incrementality testing, cohort analysis and experimentation to inform investment decisions. Lead and develop the Performance Marketing and Affiliate/KOL teams, building scalable operating rhythms, agency...PerformanceFull time
Kraken
Brazil24 days ago - ...The role As a Semi Senior Performance Media Manager , you are passionate about experience innovation and eager to push the boundaries... ...focused on day-to-day campaign management, platform execution, testing, optimization, and performance analysis while contributing...PerformanceContract workTemporary workRemote work
Valtech
Brazil19 days ago - ...Accountabilities Contribute to the design, development and testing of production-grade conversational AI systems. Work with customers... ...Analyse real-life human-system dialogs, assess overall system performance and identify improvement opportunities. Engage in QA...PerformanceFull time
Omilia
Brazil24 days ago - ...Developer , you will play a key role in building scalable, high-performance e-commerce solutions on the Shopify platform. We are looking... ...working with other e-commerce platforms. Knowledge of testing frameworks such as Mocha, Jasmine, or Jest . Understanding...PerformanceFull time
Valtech
Brazil2 days ago - ...developing and optimizing backend services and APIs, improving the performance and reliability of existing components, and taking operational... ...to finish, including speccing, architecture, development, testing, deployment, release and monitoring. Experience working...PerformanceFull time
Mimica
Brazil18 days ago - ...and intelligent customer experiences, with the integrations, testing, monitoring, and reliability necessary to deploy voice and chat... ...Manage event budgets and timelines end to end Analyze event performance and provide recommendations for future improvements Build...PerformanceRemote jobFull timeImmediate start
- ...Global Interpreter Lock (GIL) and PEP 8 style guide ~ Strong testing practices using pytest or unittest ~ Experience with... ...similar), and SQL databases — including query optimization for performance and atomicity ~ Solid understanding of networking protocols,...PerformanceFull timeRemote workFlexible hours
FusionHit
Brazila month ago - ...channel P&L ownership, digital acquisition strategy, and creative performance optimization accountability across our high-traffic Australian... ...Personally author, audit, and deploy high-fidelity creative testing plans, briefing content creators on conversion angles, hooks,...PerformancePermanent employmentFull timeRemote workHome officeShift work
Living in a Bubble
Brazila month ago - About us OrderMesh is the operating system for modern print-on-demand fulfillment. We build intelligent order orchestration software that sits at the center of a complex global supply chain — connecting brands, marketplaces, and producers through a single platform. We replace...Full time
OrderMesh
Brazil11 days ago - ...We invite an Intermediate Test Engineer with strong manual testing experience and hands-on skills in Java-based test automation to join... ...execute manual test cases for backend and API functionality Perform API testing for backend services and integrations Develop and...Full timeTrial period
Dev.Pro
Brazil16 days ago
