DataCamp is hiring a Principal AI Engineer to lead development of a real-time, adaptive AI tutoring system. Responsibilities include designing prompt architectures and agentic workflows, running rigorous experimentation and custom evaluation, integrating AI into platform systems, and ensuring safety/observability. Required technical experience includes 1+ years building complex LLM-based systems, strong prompt engineering intuition, Python, and familiarity with cloud and CI/CD.

Join NVIDIA's Linux graphics driver team to architect, develop, and maintain Vulkan/OpenGL software performance features for GPU hardware. Role requires a Bachelor's (or equivalent), strong low-level Linux OS knowledge, 8+ years programming in C/C++, and 3+ years developing OpenGL/Vulkan system-level graphics software and shader/compiler-related work.

Join Invicti's AI team to design and build agentic AppSec solutions, including multi-agent systems, RAG and memory pipelines, MCP integrations, and prompt engineering. Requires 5+ years of production software development, strong Python skills, experience with LLM-powered apps/RAG/agentic AI, and knowledge of distributed systems, API design, and cloud-native architectures. Role involves cross-team collaboration, productization, and ownership from design to production.

Nearform is hiring a Senior Software Engineer focused on Python and AI to design and build AI-enabled applications. The role is permanent and full-time, based in Italy with regular travel to client sites across Europe. Key requirements include deep Python and AI framework experience, CI/CD, testing, databases and cloud environments; Kubernetes, Golang and React are nice-to-have.

Role involves designing, building, and maintaining security products and infrastructure at cloud scale: real-time detection engines (Apache Flink, Kafka), high-throughput security APIs and microservices (Go, Node.js), streaming analytics, and Kubernetes-based security solutions. Requires experience with distributed systems, cloud platforms (AWS/GCP/Azure), infrastructure-as-code (Terraform/Helm/Chef), and familiarity with security tooling (SIEM, WAF, IDS/IPS).

Responsible for designing, building, and maintaining security products and infrastructure: real-time detection engines (Apache Flink, Kafka), high-performance APIs and microservices (Go, Node.js), Kubernetes-based security solutions, and petabyte-scale data pipelines. Requires 5+ years of software engineering experience, strong Go and JavaScript skills, deep distributed systems and Kubernetes knowledge, and cloud experience (AWS/GCP/Azure). Role is listed as hybrid.

Work as a Staff Software Engineer on Astronomer’s Platform team to design, implement, and operate foundational multi-cloud platform systems. Responsibilities include defining platform strategy, building production-grade systems (with heavy use of Kubernetes and Go), making architecture and build-vs-buy decisions, documenting designs and decision records, and improving reliability and operational practices for enterprise customers.

Nearform seeks a Senior Software Engineer specializing in Python and AI to design and build AI-enabled applications. This is a full-time permanent role for candidates based in the UK (remote working with frequent travel to client sites in the UK and Europe). The role requires strong Python and modern AI framework experience, version control (Git), testing, CI/CD, cloud and database experience; Kubernetes, Golang and React are listed as nice-to-haves. Salary is up to £95,000 plus bonus and benefits. Visa sponsorship is not available.

Cast AI is hiring a Senior Software Engineer focused on database optimization to build greenfield systems for automated query analysis, index recommendations, and performance tuning. The role requires production experience with PostgreSQL and/or MySQL, strong Go and/or C++ skills, and English communication; candidates must reside in one of the listed European countries. Salary is advertised at €6,500–€9,000 gross.

Lead technical direction for LLM inference optimization (Kimchi), improving throughput, lowering latency, and maximizing KV cache efficiency across GPU SKUs and distributed topologies. Requires 5+ years building ML systems/inference or training infrastructure, strong Python, hands-on experience with vLLM/SGLang/TensorRT-LLM, quantization fluency, distributed systems knowledge, and a measurement-first approach. Remote-first role available in multiple European countries.

Work on GCC and LLVM runtimes, tooling and integration within Ubuntu to improve developer and operator experience. Responsibilities include selecting and packaging tooling, writing and reviewing code, debugging, collaborating with distributed teams, and mentoring junior engineers. Preferred experience includes GCC/LLVM, C/C++, Linux distributions, and Debian/Ubuntu packaging; nice-to-haves include build systems, cross-compilation, performance or security engineering.

Join Ramp's Dev API team to build and operate multi-surface developer APIs and AI-first platform capabilities. Responsibilities include designing and executing complex backend projects end-to-end (architecture, implementation, rollout, monitoring) using Python, Temporal, and PostgreSQL; building autonomous tooling and agents to accelerate endpoint creation; and owning API reliability, correctness, and developer experience. Relocation support to NYC or SF is available.

Develop and optimize a modern C++ inference framework extending TensorRT for autoregressive LLM serving (speculative decoding, LoRA, MoE, KV cache). Work includes CUDA kernel/operator development, compiler/runtime optimizations, performance benchmarking and collaboration across CUDA, compilers, and robotics teams. Requires 4+ years experience and deep familiarity with transformer inference techniques and GPU/CUDA development.

Work on architecting and developing a simulation platform for next-generation NVIDIA DGX servers, integrating simulator components with hardware features, bringing up the full software stack on the DGX simulator, and collaborating with hardware modeling, kernel and platform driver teams. Requires strong C/C++ skills, OS and system architecture knowledge, experience with hypervisors/emulators (QEMU/KVM), Linux, and at least 5 years of relevant experience.

NVIDIA seeks a System Software Engineer for its Deep Learning Algorithms team to research, prototype, develop and optimize solutions, tools and libraries for deep learning, data analytics, machine learning or scientific computing. Requires a Bachelor's/Master's or equivalent, 8+ years of software development experience, excellent Python and C/C++ knowledge, experience designing complex decoupled systems, knowledge of design patterns, algorithms and data structures, and strong communication and documentation skills. Location listed as Poland (Warsaw) with remote option; salary ranges provided for Poland (PLN).

Wizeline seeks a Senior .NET Software Engineer based in Spain. Must-haves include cloud computing experience, solid understanding of event-driven distributed systems and message brokers, strong SQL skills, daily use of IaC and CI/CD, strong observability and scalable design practices, and the ability to mentor and lead smaller initiatives. Clear and confident English communication is required. Familiarity with AI tooling is listed as a nice-to-have.

Lead development of LLM observability features at Datadog, designing and scaling systems for tracing, model evaluation, drift detection, and debugging inference pipelines. Role expects strong experience with distributed systems and scalable backend architectures, hands-on experience building LLM/GenAI applications, and familiarity with observability tools.

Datadog is hiring a Senior Software Engineer (locations: Boston and New York, USA). The role requires 6+ years of experience and involves solving scaling bottlenecks, deploying features (using feature flags), investigating and fixing production issues, and designing architectures for high-scale systems. Preferred experience includes Go, C, Python, Redis, Cassandra, Kafka, data pipelines, statistics, and use of AI coding tools. Estimated salary range: $130,000–$300,000 USD per year (employer-provided estimate).

Work on scaling bottlenecks and new features for high-scale backend services; deploy features with feature flags and progressively roll out; investigate and fix production issues; design architectures for higher traffic and plan team projects. Candidate should have significant programming experience, a BS/MS/PhD or equivalent experience, and interest or experience using AI tools in development workflows.

Join Datadog's Product Analytics backend team in Tel Aviv as a senior backend engineer. Responsibilities include designing, building and maintaining scalable distributed systems for ingesting and processing clickstreams and other data sources, tailoring storage and query solutions, driving architecture decisions, and participating in hands-on coding, code and design reviews. Role emphasizes technical leadership, mentoring, and using AI tools to improve engineering workflows. Hybrid workplace.