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Software Engineer (Python)
Software Engineer (Python) in Prima's Pricing Domain in Madrid: builds the microservices, tools and infrastructure behind car-insurance pricing and underwriting, collaborating with data scientists and product managers. Core stack is Python with CI/CD, IaC, containers, Kafka/RabbitMQ and relational databases; AWS, Rust/Elixir, Terraform/K8s are pluses.
Senior Python Developer
Senior Python developer at a global retailer's Barcelona IT hub (sourced via recruiter Agrupa Global Talent): builds Python automation apps and CI/CD pipelines (Azure DevOps, Git, SonarQube, Snyk), sets Python security/governance standards, and partners with business stakeholders. Hybrid role; needs 5+ years of Python and advanced English/Spanish.
Senior Python Developer - Up To €240 A Day - Remote
Senior Python developer (up to €240/day, full-time) working on a payments-domain project, designing and building Python services with AWS, Kubernetes, Terraform, Kafka and observability tooling. The team also creates and improves AI models. Based in Oviedo, Spain.
Senior Software Engineer (Python & AI), Data Management Engineering - Splunk
Senior Python engineer on Cisco's Splunk Add-ons Data Management Team in Kraków, building add-ons that onboard and normalize data at scale and developing AI-based agentic solutions (LLMs, GenAI, RAG), working with FastAPI, SQL/NoSQL databases and a major cloud (AWS/Azure/GCP).
Senior Software Engineer II
Who we are Samsara (NYSE: IOT) is the pioneer of the Connected Operations™ Cloud, which is a platform that enables organizations that depend on physical operations to harness Internet of Things (IoT) data to develop…
Sr. Software Engineer, Search Infrastructure
Build and optimize large-scale search infrastructure handling millions of transactions, focusing on real-time indexing, serving, and relevance for AI-powered products.
Senior Software Engineer - Data Infrastructure - Colombia
Senior engineer on Backblaze's data infrastructure platform supporting its B2 Object Storage and Computer Backup products: building automation frameworks, observability stacks (metrics, logs, traces, alerts), dashboards, and system health tooling to improve durability, throughput, and fleet stability for its cloud storage service.
Senior Big Data Software Engineer (Snowflake + DBT)
Senior data engineer designing and maintaining scalable data warehouse and ELT pipelines that power analytics and business decisions. Day-to-day work centers on Snowflake, dbt, SQL, Python, and Apache Airflow on AWS, with emphasis on performance, data quality, and cost efficiency.
Senior Software Engineer - Data and AI Platforms
Senior engineer on lululemon's Enterprise Data & AI team in Vancouver, designing and building data platforms, semantic models (knowledge graphs, ontologies), and LLM retrieval systems (RAG/GraphRAG, semantic search) that power the retailer's enterprise AI capabilities. Onsite at least 4 days/week; pays $132.6k-$174k annually.
Senior Software Engineer I
Senior fullstack engineer at Eucalyptus (part of Hims & Hers), a consumer digital healthcare platform serving millions of patients. You'll build features across a multi-brand platform using React/React Native on the frontend and Node/Go microservices with GraphQL, Postgres and GCP Kubernetes on the backend, deploying to production frequently.
Senior Software Engineer
Senior backend engineer on Spotify's Authorization team in Toronto, building and operating the permissioning systems that let creators, teams, and partners securely manage their presence across Spotify (Music, Podcasts, Audiobooks). Core work: Java or similar backend services, distributed systems, and relational databases at scale, in a flexible hybrid setup.
Senior Java developer
Senior Java developer building mission-critical VOIP/ROIP and digital communication applications for military and emergency services platforms, integrating audio codecs (Opus, AAC) and protocols like SIP/RTP/SRTP. On-site role based in the Ottawa area; 10+ years of Java experience required.
Senior Java Engineer
Consultancy Ambush is hiring a hands-on senior backend engineer to build and modernize Java/Spring Boot microservices for clients: developing REST APIs, Kafka event-driven integrations, tested code, and production support on a distributed team. Requires 6+ years of Java experience, fluent English, and residency in Spain or Poland.
Sr. Web Engineer (X)
Builds and optimizes full-stack web features for a real-time social platform, using modern frontend and backend technologies to deliver high-performance, scalable user experiences.
Senior Software Engineer, Operations Foundations
Front-end-leaning senior engineer on Wolt's Operations Foundations team in Berlin, owning the build, deployment, and developer-experience platform behind 250+ internal micro-frontends used by hundreds of engineers at Wolt, DoorDash, and Deliveroo. Core stack: TypeScript, React, Node.js, GitHub Actions/Buildkite, plus agentic (AI) development tooling.
Senior Systems Engineer
Ensono is hiring a Senior Systems Engineer (Windows L3 System Administrator) in Pune to act as the top escalation point for enterprise Windows Server environments, build Infrastructure as Code with Terraform and PowerShell, and support Azure/AWS cloud, virtualization, backup/DR, and 24x7 on-call operations.
Sr. Software Engineer, Training/Inference (C++)
Senior C++ engineer on xAI's (SpaceXSI) high-performance inference platform serving Grok to millions of users. Day-to-day: building distributed model-serving infrastructure (KV cache, batching, load balancing, auto-scaling) and optimizing latency down to GPU kernels, quantization, and speculative decoding.
Sr. Software Engineer, Kernels/CUDA (C++)
Senior engineer on the Compute Infrastructure team optimizing GPU performance for the supercomputers that train Grok. Day to day: writing and tuning low-level CUDA kernels (GeMM, Attention) in C++, profiling with Nsight, and removing bottlenecks across GPU memory, networking, and multi-GPU clusters to speed AI training and inference.