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- ...functional collaboration. Experience in multi-region deployments for services with country-specific configurations. Knowledge of telecom integrations and emerging market connectivity challenges. Familiarity with NodeJS, React, PHP or Java deployment environments....Remote job
- ...and user segments. Collaborate with the Head of CRM to refine messaging strategies based on performance analytics. Continuously test subject lines, CTAs, and messaging structures to improve engagement and conversion rates. Analyze open rates, click-through rates...
- ...Build evaluation harness to benchmark model performance on real-world Python tasks (LeetCode-style, open-source repos, internal tests suites). Develop internal tooling (FastAPI, CLI tools, background workers) to streamline model experimentation and deployment....
- ...designers on what ad creative needs to accomplish Identify creative fatigue and recommend refresh timing before performance drops Test creative variations systematically and report on what is working and why Reporting and Communication Provide regular...Remote job
- ...process, from discovery and research to wireframing, prototyping, and final UI execution. Conduct advanced user research, usability testing, and A/B experiments to validate and refine design solutions. Partner closely with product managers and engineers to ensure...
- ...hallucinations, inefficiencies, and style violations. Contribute to synthetic data generation by writing adversarial examples that stress-test model reasoning. Mentor junior annotators on JS best practices and advanced language features (closures, proxies, generators, etc...
- ...code reviews, architecture discussions, and best practices. Drive continuous improvement in delivery practices (agile, DevOps, testing). Build an inclusive, collaborative, and high-performing team culture. Act as the escalation point for technical and delivery...Remote job
- ...development (NPD) processes — ensuring concepts are viable, scalable, and market-ready. Work with technical teams to guide formulation, testing, and product refinement. Ensure products meet quality, safety, and commercial standards. Support cost optimization and...
- ...with traditional Linux systems administration, operations, and package management. You are passionate about quality and automatic testing. Work with one of the industry's pioneers in open source with intelligent engineers at every level from engineer to CTO and CEO...
- ...psychological safety, and high performance. Engineering Standards: Establish and enforce "gold standards" for TypeScript development, testing, and CI/CD pipelines to ensure Darwin remains stable and maintainable. Agile Collaboration: Work in a collaborative environment...Remote job
- ...Troubleshoot and resolve production issues in collaboration with DevOps and support teams. Ensure high code quality through automated testing, peer reviews, and CI/CD best practices. Contribute to technical documentation for APIs, services, and data models....Remote job
- ...functional teams to define data requirements and implement scalable analytical solutions. Monitor model performance, conduct A/B tests, and implement improvements to maintain accuracy and reliability. Document methodologies, workflows, and data dictionaries to ensure...Remote job
- ...Experience in Nigerian tech ecosystem or fintech/marketplace platforms React Native/Expo ecosystem familiarity Automated testing frameworks (Jest, Mocha) Google Play Console and App Store Connect experience Early-stage startup infrastructure experience...Remote job
2000 $
...software, engineers who are just as comfortable with designing and engineering new software as they are with packaging, integrating, testing and shipping the incredible catalog of open source software provided by the Ubuntu repositories. Our engineers integrate the...2000 $
...evolution. Kernel Team projects include but are not limited to: Ubuntu Linux kernel plan, execution, benchmarking and stress testing Optimised kernels for key silicon and cloud partners Confidential computing and next-generation security primitives Developer...- ...AI Agents: Design and develop AI agents that generate dynamic, personalized nudge content and conversational interventions. A/B Testing & Experimentation: Design and analyze large-scale A/B tests and experimentation frameworks to evaluate ML models, data-driven...Remote job
- ...and over half a billion exercises completed daily. Beyond our core learning product, we have also entered into English proficiency testing with the Duolingo English Test, Math, Music and now Chess. We are passionate about educating our users, making fact-based decisions...Remote job
- ...consistent messaging across channels. Analyze campaign data and report key performance metrics to senior stakeholders. Conduct A/B testing and implement optimization strategies to maximize campaign effectiveness. Requirements ~ Bachelor’s Degree in Marketing,...Remote job
- ...insight to inform better product and technical decisions. Engineering standards You will help define engineering standards, testing practices, CI/CD pipelines, and release processes that form the foundations of a scalable engineering function. Nice to have The...Remote job
- ...managers, and contribute to the development of web applications and digital solutions. Key Responsibilities Assist in developing, testing, and maintaining web applications. Write clean, efficient, and well-documented code. Collaborate with UI/UX designers to...
Remote Hustle
Remote16 days ago - ...visa issuance and other administrative requirements. UNFPA does not charge any application, processing, training, interviewing, testing or other fee in connection with the application or recruitment process and does not concern itself with information on applicants'...
- ...proven record of outstanding student results. ⚠ 100% subject mastery is non-negotiable. Applicants must be ready to write an assessment test and start immediately. Requirements ✔ Proven experience teaching Cambridge and EdExcel A-Level Business (AS & A2) ✔ Complete...
Ajiro Tech
Remote13 days ago 85000 - 160000 $
...proceed. Required Experience 5+ years of hands-on offensive security experience Enterprise Red Team or advanced penetration testing background Strong knowledge of: Active Directory attack paths Kerberos abuse Privilege escalation Credential harvesting...Remote jobSentrabyte Digital Solusi
Remotemore than 2 months ago85000 - 160000 $
...-level shells and chain vulnerabilities into meaningful compromise paths. Key Responsibilities: • Perform advanced penetration testing across web, API, network, and infrastructure environments • Achieve validated OS-level command execution (RCE, reverse shell, SYSTEM...Remote jobSentrabyte Digital Solusi
Remotemore than 2 months ago53 - 66 $ per hour
...environment, including data sources, security, and metadata. Supporting initiatives for data integrity and normalization. Assessing tests and implementing new or upgraded software and assisting with strategic decisions on new systems. Generating reports from single or...Remote jobCoating Concepts
Remotemore than 2 months ago
