Alex Staff Agency

Platform Engineer

• Support and develop AWS or GCP infrastructure (multi-region).
• Operate and troubleshoot Kubernetes platforms.
• Manage infrastructure using Infrastructure as Code (Terraform).
• Ensure system uptime, performance, and monitoring.
• Participate in on-call rotations, incident response, and post-mortems.
• Collaborate closely with software engineering teams.

Cloud / Platform Engineer

Security Engineer

• Own the end-to-end pipeline - from ingestion of 10M+ unique daily samples to real-time verdict delivery on global server fleets.
• Define the roadmap for malware analysis, automated signature generation, and ML-driven classification.
• Guide decisions on massive-scale data processing using Airflow, Kafka, ClickHouse, and modern Python/Rust stacks.
• Drive the integration of LLMs and transformers for automated code analysis and malware rule creation.
• Mentor and scale a multi-disciplinary department across three global teams, fostering a culture of operational excellence and rapid incident response.

Head of Security Engineering – Malware Research

Accounting Manager

• Ensure compliance with accounting standards and all relevant regulatory requirements.
• Prepare timely and accurate financial statements and management reports for internal leadership, auditors, and external stakeholders.
• Support the VP Finance on statutory filings and maintain strong communication with regulatory authorities and external auditors.
• Manage end-to-end financial operations, including month-end close, budgeting, forecasting, and cash flow planning.
• Implement, maintain, and enhance internal financial controls and procedures.
• Be responsible for preparations for annual audits.
• Prepare and file accurate tax returns in compliance with Dutch tax laws.
• Partner with tax advisors to optimize tax strategies and minimize liabilities.
• Serve as the functional lead for our migration from Exact Online to a new, scalable ERP system.
• Ensure accuracy and integrity of financial data across multiple systems and platforms.
• Partner with our IT team to implement "Automation First" workflows, reducing manual entry through API integrations for bank feeds, expenses, and AP/AR.
• Provide financial insights, scenario analyses, and data-driven recommendations to VPs and managers.
• Act as a trusted advisor during our scale-up phase, supporting strategic and operational decision-making.

Full-stack Engineer

• Основные продукты — блокчейн эксплореры, сервисы на их основе. API сервисы, аналитика, подписки на транзакции. Высокие нагрузки и большие объемы данных (миллиарды записей, терабайты по объемам).
• Текущее направление EVM-совместимые эксплореры и расширение на другие популярные решения. Также платежные сервисы, кошельки (веб, мобайл), биллинг. Технологии развиваются каждый день, много R&D. Инициатива приветствуется! Должность предполагает 30-50% времени на кодинг.**В области блокчейн компания работает с 2016 года.
• Требуется техлид 80% / PM 20% с опытом в сфере блокчейн на аналогичных должностях от 2-х лет, который сможет развивать существующие продукты, изучать и внедрять новые технологии, самостоятельно ставить себе и команде (около 20 человек) задачи, контролировать реализацию и полный жизненный цикл.
• Интересует долгосрочное сотрудничество от 2-х лет.
• ***Компания рассматривает специалистов с наличием шенгена, которые готовы первые 3-6 месяцев работать в офисе в пригороде Барселоны.***
• **Основной используемый стек**: NodeJS, React, MondoDB, Clickhouse, Meteor, Redis, Tarantool, Lua, PHP, Docker, k8s, Web3, Solidity, Geth, Reth

Tech Lead – PM, Crypto

DevOps Engineer

• Operate and evolve the hybrid environment (bridging AWS and On-prem resources)
• Maintain and scale PostgreSQL databases, Kafka clusters, and data pipelines ("data grabbers")
• Support High-Performance Computing (HPC) environments for ML modeling
• Advance Infrastructure as Code (IaC) using AWS CDK (TypeScript) and automation via Ansible/Bash
• Manage access control (IAM, Cloud & On-prem users) and implement security best practices across the hybrid environment
• Develop and promote a self-service DevOps model for the development teams

Senior Hybrid Cloud / DevOps Engineer

Sales

• Oversee and drive sales activities, enhance client relationships, and develop strategic plans to expand the company's global presence.
• Manage sales teams, identifying potential clients, building and maintaining robust distribution channels, negotiating contracts, and achieving revenue growth targets.
• Collaborate with marketing, product development, and operations teams to ensure seamless delivery of solutions to customers.

Senior Sales Manager – On-Site

• Основные продукты — блокчейн эксплореры, сервисы на их основе.
• API сервисы, аналитика, подписки на транзакции.
• Высокие нагрузки и большие объемы данных (миллиарды записей, терабайты по объемам).
• Текущее направление EVM-совместимые эксплореры и расширение на другие популярные решения.
• Также платежные сервисы, кошельки (веб, мобайл), биллинг.
• Технологии развиваются каждый день, много R&D.
• Инициатива приветствуется!
• Должность предполагает 30-50% времени на кодинг.**В области блокчейн компания работает с 2016 года.
• Требуется техлид 80% / PM 20% с опытом в сфере блокчейн на аналогичных должностях от 2-х лет, который сможет развивать существующие продукты, изучать и внедрять новые технологии, самостоятельно ставить себе и команде (около 20 человек) задачи, контролировать реализацию и полный жизненный цикл.
• Интересует долгосрочное сотрудничество от 2-х лет.
• Компания рассматривает специалистов с наличием шенгена, которые готовы первые 3-6 месяцев работать в офисе в пригороде Барселоны.
• Основной используемый стек: NodeJS, React, MondoDB, Clickhouse, Meteor, Redis, Tarantool, Lua, PHP, Docker, k8s, Web3, Solidity, Geth, Reth

Tech Lead, PM – Crypto

• Develop trading systems and monitoring tools for Liquid Air Energy Storage (LAES) plants
• Design and implement automated trading systems for UK energy markets
• Build real-time bidding, dispatch optimization, and pricing algorithms for LAES assets
• Integrate with grid operators and market platforms
• Develop monitoring dashboards, alerting systems, and operational analytics for plant performance
• Create high-throughput data ingestion and streaming pipelines using Kafka and PostgreSQL / TimescaleDB
• Build microservices and APIs for trading platforms, market integration, and system control
• Collaborate with DevOps and Data teams for deployment, monitoring, and production support

Senior Software Developer

Data Scientist

• Build high-quality forecasting models for UK energy balancing markets
• Engineer features from raw market data
• Select the most predictive subset from hundreds of thousands of candidates
• Build gradient boosting models that output well-calibrated prediction intervals
• Rigorously validate models to avoid subtle leakage problems
• Hand off models that are well-documented and reproducible
• Produce reliable probabilistic forecasts

Senior Data Scientist

• This position is open at a global product-led IT company specializing in infrastructure stability and security solutions. Their products are recognized as the industry standard in the Hosting and Enterprise segments, powering over 500,000 servers worldwide.
• In 2025, the company is evolving its data management strategy, shifting from traditional database administration to an Internal Database-as-a-Service (DBaaS) model. This role requires a visionary engineer to design resilient distributed systems, automate infrastructure through code, and transform databases into a reliable service for product teams. This is an ideal opportunity for those ready to handle petabytes of data and build high-scale platform solutions.
• **Key Challenges & Responsibilities:**
• - Designing and implementing a self-service platform (Terraform + Ansible) for deploying HA clusters (PostgreSQL, ClickHouse, MongoDB, Redis) in a heterogeneous environment (Bare Metal, OpenNebula, K8s, Public Clouds).
• - Managing rapidly growing analytics clusters (12+ clusters, tens of terabytes), focusing on sharding, ReplicatedMergeTree, and building reliable S3 backup pipelines under high load.
• - Maintaining and scaling infrastructure for Apache Airflow and Redash, ensuring the reliability of ETL pipelines and visualization tools.
• - Implementing SRE practices in data management: replacing manual incident response with automated self-healing mechanisms and defining SLO/SLIs.
• - Migrating legacy solutions to modern cloud patterns and implementing Kubernetes operators for stateful workloads.
• - Serving as a technical authority for product teams to optimize data schemas and SQL queries for high-load systems.
• **Tech Stack:**
• - **DB:** PostgreSQL 15+ (Patroni, PgBouncer), ClickHouse (Sharded/Replicated), MongoDB, Redis, Kafka.
• - **Data & Analytics:** Apache Airflow, Redash.
• - **Infrastructure:** Hybrid Cloud (3+ private DCs, OpenNebula, K8s, Bare Metal, AWS, GCP, Azure, DO).
• - **IaC & CI/CD:** Terraform, Ansible, Python/Go, GitLab, Jenkins, Gerrit.
• - **Observability:** VictoriaMetrics, Grafana, Loki.

Alex Staff Agency

Cloud / Platform Engineer

Head of Security Engineering – Malware Research

Accounting Manager

Tech Lead – PM, Crypto

Senior Hybrid Cloud / DevOps Engineer

Senior Sales Manager – On-Site

Tech Lead, PM – Crypto

Senior Software Developer

Senior Data Scientist

Senior Database Reliability Engineer, Architect

Cloud Engineer

Cloud Engineer

Cloud Engineer

Cloud / Platform Engineer

Cloud Engineer