Lead and grow a team of engineers responsible for applications, tools and infrastructure that power security and detection capabilities. Collaborate with engineers, scientists and stakeholders to design and implement solutions for fraud and abuse mitigation; participate in code and architecture reviews; mentor engineers. Role expects 8+ years software engineering experience and 2+ years managing engineering teams, with experience in Typescript or Python, distributed systems, Kubernetes and Docker. Fully remote with flexible hours; locations listed include Poland, Canada, Argentina, Brazil, Mexico and Austria.

Cast AI is hiring an Engineering Manager for the KUBE team to own product development execution and be a hands-on contributor (~50% coding). The role focuses on large-scale Kubernetes provisioning and reconciliation across EKS/GKE/AKS and Cast AI Anywhere, requiring expertise in Kubernetes, multi-cloud environments, Terraform/IaC, and GitOps (GitLab CI, ArgoCD). Position is open to applicants residing in Bulgaria, Croatia, Estonia, Greece, Hungary, Latvia, Lithuania, Poland, Romania, Slovakia, Slovenia, and Ukraine. Salary advertised up to €10,000 gross. Cast AI does not provide visa sponsorship.

Lead the Nav iOS SDK team at Mapbox, driving roadmap, mentoring engineers, and shaping rendering and SDK architecture. Requires 3+ years of engineering management and a minimum of 5+ years professional mobile software development experience; professional English (C1) is required. Compensation range listed in USD.

Manager-focused role responsible for leading four teams (Java, JavaScript/Go, Python, PHP) totaling ~18 engineers. Owns technical direction, standards for CVE analysis and patch backporting, SLA compliance, CI/CD and delivery processes, coordination with OS/platform teams, and people management (hiring, onboarding, performance reviews). Requires strong multi-language software development background (minimum 6 years) and 3+ years of engineering leadership experience; solid Java skills and upper-intermediate English.

Lead a small, high-output engineering team to own delivery metrics (cycle time, review latency, reliability), run cadences (planning, standups, retros), command incidents and run blameless RCAs, hire and coach engineers, and design/process automations. Role expects strong written communication, use of GitHub/Notion and AI tools, and experience improving delivery outcomes. Remote with equity and profit sharing.

Lead the Privacy Functional Team at DuckDuckGo to define and deliver complex privacy engineering initiatives (e.g., agentic browsing, private search indexing). Responsibilities include evolving privacy triage and review processes, building automation and infrastructure to reduce engineering toil, and hiring and developing privacy engineers. Requires 10+ years leading privacy reviews/audits and 4+ years of privacy engineering leadership experience; role is remote across multiple countries with periodic travel for company meetups.

Lead and grow a QA function focused on heavy automation and AI: define QA strategy and metrics, expand and prioritise test coverage, own test infrastructure and CI/CD pipelines, mentor SDETs into product-quality owners, and collaborate with dev teams. Tech stack includes Python/pytest, Playwright, Bash, Jenkins/GitLab CI, OpenNebula/KubeVirt, Docker, Ansible, Allure, Redash/ClickHouse. Remote role with flexible hours.

Remote role (Poland, Romania, Hungary, Serbia, Lithuania) as Associate Director, Data Engineering (Platform and Analytics). Responsible for lake house strategy (medallion architecture), engineering across ingestion, transformation, storage and optimization, ensuring data quality, security and lifecycle management. Leads and mentors global data engineering teams, champions cloud engineering and tools (notably Azure Databricks), and collaborates with Data & Technology and business stakeholders to enable analytics, AI readiness and sponsor data delivery. Bachelor's in CS/Information Systems (or equivalent experience) required; Master’s preferred. Experience expectations include enterprise cloud data initiatives, medallion architecture implementations, advanced SQL and Python, CI/CD, Power BI (preferred), and familiarity with GxP in life sciences.

Lead and grow a team of software engineers owning delivery, technical direction, and operational excellence for the Account Experience surface (Primer Companion, merchant setup, monitors, workflows, auditing). Role requires hands-on technical credibility for system design and reliability, partnering with Product on roadmap and hiring as the company scales. Remote-first role available across the listed countries.

Lead the technical roadmap and manage a distributed engineering team for Wikimedia Enterprise, focusing on architecting, building, and maintaining high-volume data ingestion and B2B services. Responsibilities include team development and coaching, owning technical decisions, collaborating on product strategy, hiring, budgeting, and ensuring reliability/SLA delivery. Technologies mentioned include AWS, Kafka, Node.js, Go, PHP, Kubernetes/ECS and observability tooling.

Lead a cross-functional engineering team (frontend, mobile, backend) that owns the orchestration layer for payments — routing, fallback, tokenization, authentication, and related developer tooling. Responsible for technical direction, delivery cadence, incident response and on-call practices, defining metrics, and growing engineers through feedback and performance management. Experience as a software engineer and prior people/engineering management is required.

Manager role responsible for the architecture and roadmap of Kraken's real-time streaming and data platform (Spark, Kafka, Iceberg, RisingWave, Flink), building scalable data systems for trading, risk, compliance and analytics. Requires 8+ years in data/platform/distributed systems (with 3+ years managing teams), experience with AWS data services, production streaming/CDC pipelines, programming in Python/Scala/Java, and adoption of AI automation in data workflows.

Planner 5D seeks an Android Team Lead with 7+ years of Android experience to own Android development, make technical decisions, mentor developers, and implement complex features (graphics, multiplayer, AI, CRDT). Required skills include Kotlin, Java, Jetpack, Dagger, Coroutines/RxJava, Room/SQLite, REST/Protobuf, testing, and in-app payments. Locations listed include several European cities and Poland.

CloudLinux seeks an SDET/QA Automation Lead to transform a global remote QA team into an AI- and automation-first quality engineering function. Responsibilities include defining product quality metrics and multi-quarter QA roadmap, expanding and owning test infrastructure, improving test reliability, and mentoring SDETs. Tech stack includes Python, pytest, Playwright, Jenkins, GitLab CI, OpenNebula, S3/Ceph, Allure, Redash/ClickHouse, Slack, and Jira.

The Wikimedia Foundation seeks a Data Science Manager to lead the Product Analytics team (~7 data scientists) to deliver quantitative insights, measurement and experimentation, and data products that inform product strategy. Role is remote with candidates required to be located between UTC+1 and UTC-8, available for synchronous work 14:00–22:00 UTC, and able to travel up to four times per year. Preferred experience includes experimental design/statistics, people management, and working with large-scale data tools (Hadoop, Hive, Presto, Spark).

Lead and grow a team of consultants delivering Managed Services on the Veeva Vault platform for pharmaceutical and biotech customers. Responsibilities include resource planning, hiring for Poland and Hungary, customer escalations, operational delivery, and contract/service expansion. Remote in Poland with required Budapest office attendance and periodic EMEA travel.

Lead and architect large-scale, production ML projects from design through deployment and maintenance. Require 7+ years building and maintaining production ML systems with focus on scalability, performance, reliability, and leadership. Familiarity with Kubernetes, containerization, distributed systems, and experience mentoring other ML engineers. Positions listed for Poland, Romania, Austria, and Croatia; role is fully remote with flexible hours.

The role leads the ML Security team responsible for bot, agent, and human fraud/abuse detection, owning execution of roadmaps, architectural and technical decisions, code reviews, mentoring, and delivery from data exploration through production deployment and monitoring. Required: strong ML/data science or engineering background with production ML experience, engineering management or tech lead experience, expertise in high-availability and distributed systems, Python, ML pipelines, MLOps, and strong cross-functional communication. Position is fully remote with flexible hours; all candidates will undergo pre-employment screening and identity verification in their country of residence.

The Director of Engineering will recruit, lead, and manage technical teams to deliver online security and ML products at scale, owning architecture, quality, availability, observability, and automation. The role requires a minimum of 5 years leading teams of 20–60 engineers and strong hands-on experience with distributed systems, high-availability development, security, and languages including Python, NodeJS, and Go or Rust.

Experienced QA Lead role responsible for QA across mobile and IoT projects. Responsibilities include planning and executing test strategies, introducing modern QA tools and automation (Cypress, Appium, Robot Framework), CI/CD integration, defining quality metrics, mentoring the QA team, and working with developers, PMs and clients. Requires 6+ years in software testing (mobile/IoT preferred), 2+ years leading a QA team, hands-on experience with test management (Qase/TestRail) and Atlassian tools, familiarity with BLE, API testing and cloud platforms (AWS, Firebase), and English at B2+.