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Builds and maintains the Linux kernel and Android stack for Pixel USB connectivity, enabling seamless charging and data transfer while optimizing hardware reliability across generations.
Conducts ISO/IEC 27001 and ISO 22301 security audits for Polish/EU clients, documents findings in English, and trains clients while occasionally contributing to product development. Focuses on InfoSec compliance and risk assessment.
Leads product strategy and execution for a communications platform, shaping roadmaps and driving team alignment to deliver user-centric features in fintech-adjacent domains.
This role is for a Senior React Native Developer to build mobile applications for a global enterprise product. The position is fully remote and requires extensive experience in React Native and front-end development.
Leads Azure cloud and DevOps solutions for clients, designing and implementing scalable, secure cloud architectures using Azure services, IaC, and automation tools like Terraform, PowerShell, and Ansible. Focuses on technical leadership, architecture reviews, and client engagement to deliver high-value cloud solutions.
Leads AI agent development for Zeely’s marketing automation platform, shaping vision, workflows, and integrations to automate user tasks (e.g., ad campaigns) via AI-driven agents.
Security Lead responsible for designing and assuring security across Callosum's full-stack AI orchestration platform—APIs, orchestration software, agentic systems, and physical compute—while building and leading the security team.
Callosum is seeking an ML Research Scientist to develop foundational intelligent systems by researching model architectures, learning algorithms, and efficient training methods. The role involves end-to-end research ownership, from hypothesis generation to large-scale implementation, working across a full-stack infrastructure.
Research Engineer building benchmarks and evaluation suites for agentic AI systems—designing rigorous measures for multi-turn, tool-using LLMs, turning traces into structured evidence, and building evaluation/observability infrastructure the whole company relies on.
Builds the runtime and programming model for long-running AI agents that run for weeks across distributed infrastructure, focusing on durability, observability, and secure tool execution.
ML Research Engineer at Callosum designing experiments to understand why agentic AI systems fail, building evaluation infrastructure, and publishing findings to improve heterogeneous model/hardware orchestration.
Build and improve an LLM-guided evolutionary search system that iteratively generates, evaluates, and optimises programs across kernels, inference runtimes, and scheduling policies, working with optimisation and search algorithms at an AI infrastructure startup in London.
Build and own a unified benchmarking system for evaluating agentic and algorithmic LLM solutions at Callosum's London office, using Python, sandboxed execution, and distributed systems to produce reproducible, contamination-controlled evaluation results.
Build the networking and interconnect systems that let heterogeneous AI accelerators communicate efficiently, spanning RDMA, programmable NICs, memory movement, and cluster fabric strategy at Callosum's London office.
Build and maintain production-grade AI agents for India’s largest banks, insurers, and government departments, treating agents as engineered artifacts with versioning, evals, and regression suites.
Oversees ICT projects end-to-end, managing plans, risks, and stakeholder alignment for government environmental protection tech; uses methodologies like Prince2, Agile, and SAFe.
Design memory architectures for AI models to store, retrieve, and exploit experience across modalities, improving long-horizon decision-making in production systems.
Lead Network Engineer owning the performance, reliability, and scalability of Halter's LoRa-based wireless IoT collar-to-tower network, ensuring real-time telemetry delivery across rural farm environments.
The Senior Network Engineer will own the performance, reliability, and scalability of Halter's wireless IoT network, which connects cattle collars to the cloud. This hands-on role involves designing network architecture, managing tower infrastructure, and ensuring robust data flow across rural environments.
Lead or senior backend engineer owning a distributed platform for digital signage, handling content delivery, real-time events, and offline operations across unreliable networks. Core stack: C#/.NET, PostgreSQL, AWS.
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