Lead technical owner for Webflow's deployment strategy and GitOps-based platform (ArgoCD, Argo Rollouts), responsible for CI/CD, progressive delivery (canary/blue-green/feature flags), environment management, observability, and reliability. Role includes building internal tooling, mentoring engineers, influencing cross-team architecture, and improving developer productivity. Permanent full-time, remote-first (Argentina); requires 7+ years in DevOps/SRE/Infrastructure roles and business-level English.

Kraken is hiring a Staff (Senior) Security Architect within Kraken Security Labs to design, review, and verify security architecture across a heterogeneous environment. Responsibilities include conducting security assessments and audits, advising blockchain teams, and working hands-on on topics spanning infrastructure security, cryptography, web3, Rust projects, and AI security. Familiarity with OWASP/NIST and strong collaboration and communication skills are expected.

Senior engineer responsible for owning GPU/accelerator clusters and related stack (drivers, runtimes, device plugins, node config, schedulers, serving frameworks) to enable in-house model training and inference. Requires 5+ years in infrastructure engineering with hands-on experience operating GPU or accelerator-backed production environments, strong systems fundamentals (Linux, networking, storage, containers, Kubernetes), Python proficiency, and experience with ML serving frameworks and observability.

Seeking a Senior CRA based in Argentina (remote) to independently manage complex clinical trial site activities including start-up, initiation, routine monitoring, close-out, ISF/TMF reconciliation, EDC/EHR data review, SAE handling, IP management, audit readiness, and mentoring junior staff. Requires a 4-year scientific/healthcare degree, at least 5 years as a CRA in CRO or pharma/biotech, professional-level English, and ability to travel (up to ~60%).

The Pharmacy Operations Specialist ensures medication data accuracy for compounded medications, supports vetting and onboarding of pharmacy partners, tracks regulatory alignment with NABP/DEA/state rules, logs and helps remediate operational issues and adverse events, and contributes to SOPs and cross-functional process improvements. Requires 2–6 years of relevant experience; exposure to compounding pharmacies, telehealth, and EHR/PBM environments is preferred.

Responsible for country-level study activities (startup, conduct, close) on low-to-moderate complexity studies or portions of larger studies. Key duties include leading local study teams, overseeing pCRO/CTM/SCP, managing country plans (timelines, budget, risk, quality), supporting regulatory/EC submissions, ensuring TMF/ISF completeness, driving site recruitment and data cleaning activities, and ensuring ICH-GCP and SOP compliance. Role requires travel as needed and fluency in English. Education/experience: Bachelor's + 5 years or Master's + 3 years (per vacancy).

The Learning Program Delivery Manager is a client-facing operational lead responsible for translating commercial agreements into delivery plans, running kickoff and live sessions, removing blockers for instructors, managing communications and logistics, and driving post-cohort improvements. Requires 4+ years in project/program management (professional services, consulting, or L&D), strong stakeholder management, commercial awareness, and experience building or using AI-powered automations. Fluent English required.

Arize AI is hiring a DevOps Support Engineer to serve as first point of contact for on‑prem customer issues, monitor platform health, investigate and troubleshoot Kubernetes-based and cloud (AWS/GCP/Azure) deployments, work hands-on with self-hosted environments, and document runbooks. Requires 3+ years in DevOps/infrastructure/support, working knowledge of Kubernetes, familiarity with at least one major cloud provider, strong troubleshooting skills, and strong English communication.

DuckDuckGo is hiring a Senior Backend Engineer to work remotely across multiple countries. The role requires 7+ years of backend experience (Perl, Go, Node.js), familiarity with AI agent tooling (RAG, prompt engineering, evaluation frameworks), and building/maintaining data processing pipelines and search-relevancy features. Responsibilities include owning complex projects, mentoring engineers, and collaborating across teams. Compensation listed at $178,500 USD/year plus stock options. Candidates should expect ~40 hours/week, occasional travel (~2x/year for all-hands and retreats), and a background check; company-sponsored health benefits are limited to US-based team members.

Parexel FSP is hiring Site Care Partners in Argentina (Buenos Aires/remote). The SCP I is the primary client contact for investigative sites and is accountable for site start-up through activation, ongoing site support, recruitment/enrollment delivery, quality and patient safety, and issue resolution. Role expects approximately 5+ years' experience (Senior CRA background), requires English proficiency, and involves travel up to 75%.

Parexel’s FSP seeks Clinical Research Associate II and Senior CRA I/II for remote roles covering Mexico, Brazil and Argentina. Responsibilities include virtual and on-site monitoring in line with the Study Monitoring Plan, ensuring data integrity, data quality, protocol and ICH GCP compliance, site management and close-out. Minimum experience: CRA 1 year, Senior CRA 3 years, Senior CRA II 5 years. Degree or equivalent nursing/health qualification preferred. English is required.

Capchase is hiring a Tech Generalist / Software Engineer to design, build, and maintain end-to-end systems including payment orchestration, ledger infrastructure, underwriting engines, and reconciliation pipelines. The role involves frontend and backend development, integrating with third-party financial APIs (e.g., Taktile, Modern Treasury, Kantox), architecting for scalability and reliability, and improving observability in a remote-first team. Requires 4+ years of production software experience and proficiency in TypeScript and Node.js.

Work on Webflow Cloud and Designer Dashboard to design and implement scalable multi-tenant backend services and APIs. Tech stack includes Node.js, TypeScript, Express.js, GraphQL/Apollo, MongoDB, AWS (EC2, S3, Lambda), Kafka. Requires 5+ years building and deploying web applications and business-level English.

Udacity seeks remote on-call video editors in Argentina to join a contractor pool, typically ~25-30 hours/week. Candidates must have a minimum of 2 years' experience with Adobe Premiere, After Effects, and Adobe Illustrator, strong media management, animation skills (2D/3D), visual storytelling, and fluency in English.

Senior, hands-on Staff Product Engineer (Ruby on Rails). Remote role owning hard PRs and end-to-end product areas (billing, enterprise auth, API, dashboard, infra), responsible for performance, security, mentoring via code review, and shipping production Rails code. Fluent English and prior Stripe/billing experience required.

SearchApi seeks a senior infrastructure engineer to own and operate its cloud stack and observability for production workloads serving billions of requests. Responsibilities include architecting and operating containerized browser infrastructure, managing AWS services (ECS, EKS, Fargate, RDS, ElastiCache), writing Terraform, tuning autoscaling and networking (websockets, TCP), debugging production issues, and mentoring engineers. Role is remote and expects strong written English, deep AWS and infrastructure-as-code experience, and prior work at scale.

SearchApi seeks a remote Ruby Engineer to build and maintain web-scraping integrations and browser automation (CDP), tackle anti-bot evasion, optimize concurrency, and support production systems at scale. The role involves debugging production issues, reverse engineering protections, contributing across the stack (Ruby on Rails, PostgreSQL, Redis, Sidekiq), customer-facing support, and improving monitoring and infrastructure (Terraform, AWS, Prometheus, Grafana).

Remote role to design and implement greenfield proxy infrastructure: high-performance reverse proxies, IP rotation and session management, IP reputation tracking, geo-targeting and monitoring. Requires deep TCP/UDP and protocol knowledge (HTTP/HTTPS/SOCKS5, HTTP/2/3), Linux networking experience, prior experience building proxy or networking infrastructure, fluent English and a BSc or equivalent technical degree.

SearchApi seeks a remote Anti-Bot Engineer to research and implement anti-bot evasion, reverse engineer detection systems (Cloudflare, Akamai, DataDome, PerimeterX, etc.), optimize Playwright/Puppeteer/CDP configurations, debug TLS/protocol fingerprinting (JA3/JA4, HTTP/2, HTTP/3/QUIC), analyze network traffic, and run headless browsers reliably at scale. Fluent English and deep hands-on experience with browser internals, fingerprinting, network analysis tools, and relevant tooling (Playwright, Puppeteer, Selenium, Wireshark, Burp Suite, mitmproxy) are required.

The Site Monitor II performs on-site and predominantly virtual monitoring per the Study Monitoring Plan, ensures protocol and regulatory compliance, manages site documentation in CTMS/EDC/TMF, follows up on CRF queries/SAEs, supports site training and readiness for inspections. Requires minimum 3 years' clinical monitoring experience and English proficiency.