Design, implement, and maintain video signalling protocols and server components (e.g., WebRTC, SIP, RTP/RTCP) in a highly scalable distributed system. Ensure performance, reliability, security (including encryption) and low-latency media experiences; contribute to architecture and code reviews, mentor junior engineers, participate in on-call support, and build tools for call quality and debugging. Requires 5+ years Java experience and cloud experience (AWS/Google/Azure).

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.

Hands-on senior data science position to design, prototype, and productionize machine learning and graph analytics solutions for fraud and risk. Responsibilities include client engagement, building metrics and dashboards, conducting EDA and cohort analyses, collaborating with engineering to scale models, and driving data-driven risk strategies. Remote-first role covering specified countries in Europe and North America; requires 7+ years experience.

Primer is hiring a Product Designer to design and deliver end-to-end product experiences, validate decisions through qualitative and quantitative research, and contribute to the design system. The role involves collaborating closely with PMs and engineers, facilitating workshops, and using data (analytics and A/B testing) to inform decisions. The position is remote-first and available across multiple countries listed in the vacancy.

Prezi is hiring a Senior Data Analyst to join the Data Science & Analytics team (remote across listed European countries). The role involves end-to-end analyses (requirements, data processing, presentation), building dashboards and data products, defining metrics, quantifying impact, fostering self-service analytics, and collaborating with data engineering. Required: 5+ years in data/business analytics, proficiency in SQL and Python (or other scripting), experience with statistical analyses (funnel analysis, clustering, forecasting, recommender systems), dashboard building, strong English communication, and interest/experience in AI tools. Bonus experience: AWS, ETL pipelines, SaaS analytics, personalization/recommendation work.

Percona is hiring a remote PostgreSQL Database Support Engineer for the EMEA region. Responsibilities include investigating and resolving production database issues, performance tuning, backup and recovery (pgBackRest, WAL-G, pg_basebackup, PITR), high-availability work, Linux administration, monitoring, and producing community/customer-facing content (knowledgebase articles, blogs, webinars). Occasional travel for meetings, conferences or customer visits is required. English customer-facing communication is required.

Work on the Falcon Host sensor (kernel-mode driver) and related cloud telemetry features. Responsibilities include designing, implementing, and owning cross-platform sensor features (Windows primary, also Mac/Linux), debugging low-level issues (memory corruption, process contention, performance), collaborating with distributed teams, and mentoring others. Requires strong C++ and Windows kernel/OS internals expertise; preferred experience with WFP, TCP/IP, USB, file systems, Agile and Git.