Seeking an experienced COBOL Developer to support and enhance legacy mainframe systems (IBM z/OS). Responsibilities include developing and maintaining COBOL applications, batch processing with JCL, debugging and performance tuning, working with DB2 or IMS, participating in testing/UAT and production deployments, and documenting technical specifications. Preferred experience in banking/financial services and system modernization.

Seeking an AS400 RPG Developer with 3–8 years' experience to develop, maintain and tune applications on IBM i (AS400). Responsibilities include RPG development (RPGLE/Free Format), DB2 for i database work, CL/job control, batch processing, integrations/APIs, debugging and production support, plus collaboration with business users and documentation. Experience in banking, insurance or retail and migration/modernization exposure is a plus.

NVIDIA seeks a Principal Deep Learning Senior Engineer for end-to-end autonomous driving to design and train large-scale generative, imitation, and reinforcement learning models (LLM/VLM/VLA), integrate models with vehicle firmware, improve data generation strategies, and deploy production-grade ML systems. Requires strong Python and C++ skills, deep learning architecture knowledge, and extensive experience in AV/related fields (Master's +13 years or PhD +11 years).

LivePerson is hiring a Java Backend Engineer to develop and maintain high-volume, low-latency REST-based backend services and troubleshoot distributed microservice systems. The role requires 7+ years of experience, strong Java/Spring Boot skills, expertise with databases (SQL/NoSQL like Cassandra/MySQL), and experience with tools such as Kafka, Airflow, Spark, Kubernetes, Git, and Jenkins.

Join Calendly’s Data Science & Machine Learning team to design, implement, and operate GenAI and ML-powered product features end-to-end. Requires 6+ years industry experience shipping production ML, expertise with foundation models (fine-tuning, prompt engineering), strong programming and data engineering skills, and experience with deployment pipelines, monitoring, and incident response. Candidates must be authorized to work in the United States.

Join Astronomer as an early-career Software Engineer on the Astro Core Services team to build and maintain core backend platform components (public APIs, auth, billing, alerting). Requires a CS/software degree or equivalent, exposure to backend languages (Go/Python/Java), familiarity with SQL and distributed systems fundamentals. Estimated salary $140,000–$170,000.

Join GitHub's Codespaces team to design, implement, and ship large features for cloud development environments. Responsibilities include system architecture and API design, building scalable cloud services, CI/CD automation, telemetry and debugging, technical leadership and mentorship, participation in on-call rotations, and cross-functional collaboration.

Work on Elasticsearch core components that enable concurrent and consistent indexing across machines, maintain cluster coordination for safety and liveness as nodes join/leave and data moves, and push limits on shards, nodes, and petabytes. Investigate performance and concurrency issues, support support engineers on complex problems, and own projects end-to-end. Requires strong distributed systems and consensus algorithm background, deep Java and algorithmic skills, and experience with complex highly distributed systems.

Join the Elasticsearch Distributed Systems team to improve components for concurrent and consistent indexing across machines, maintain cluster coordination for performance and safety, increase scale (shards/nodes/petabytes), diagnose performance and concurrency issues, and support engineering teams. Requires strong background in distributed systems, consensus algorithms, core Java, concurrency primitives, and algorithms.

Work on Elasticsearch components for concurrent and consistent indexing across machines, maintain cluster coordination for performance and safety, scale shards/nodes/data, investigate and resolve performance and concurrency issues, and support engineering teams on complex problems. Requires strong Java, distributed systems, algorithms, and concurrency skills.

Role involves developing advanced C++/CUDA libraries and algorithms, removing performance bottlenecks in the I/O stack and storage systems (filesystems, object storage, NVMe), and working with cloud, virtualization, and container technologies. Requires 7+ years coding experience (C, C++, Rust, Python) and knowledge of Linux kernel internals, computer architecture, databases and vector databases. BS/MS/PhD in CS or equivalent experience.

1Password is hiring a Staff Developer for the Growth team to own architecture and implementation of experimentation and growth systems (feature flags, A/B frameworks, event pipelines, analytics integrations). The role requires 8+ years in production SaaS, proficiency in Go, experience designing instrumentation and ensuring data integrity, and leading cross-team technical initiatives across frontend, backend, and data systems. This is a remote opportunity within the United States and Canada; travel for periodic in-person engagements is expected.

Canonical seeks a Software Engineering Manager to lead the Ubuntu Foundations Package Management team. The role combines people management and hands-on technical leadership across package management (APT, dpkg), firmware and driver management, release engineering, and system lifecycle infrastructure. The position is remote (worldwide), requires collaboration with Ubuntu and upstream projects (including Debian), and includes biannual travel for team events.

Join the Planning & Control team to define and implement metrics, evaluation methodologies, and data-driven evaluation products (on-road analysis, simulation, models, dashboards). Requires 5+ years experience, strong Python and data-science libraries, familiarity with Git/Linux, and experience with vehicle simulation, planning/control, or related robotics domains.

Webflow seeks a Senior Forward Deployed Engineer to work at the intersection of Product, Sales, and Engineering, turning first-of-kind customer deployments into reusable platform patterns. Responsibilities include embedding with strategic enterprise accounts, architecting agentic workflows using Webflow APIs/CMS/AI, building integrations (analytics, CRM, DAM, data pipelines), and designing for observability, rollback, permissioning, and governance. Role is remote-first within the United States, full-time permanent, requires 4–6 years in solutions/forward-deployed/customer-facing engineering, and includes occasional travel (~1x/month).

Role responsible for building scalable, multi-tenant services for AI inference; improving observability, capacity management, automation, and operational tooling; partnering with platform and GPU infrastructure teams; and providing technical leadership and mentorship. Requires experience with Go, Kubernetes, high-scale distributed systems, and SRE practices.

Hands-on technical leader responsible for designing, developing, and operating distributed inference hosting systems (multi-tenant, high-scale) integrating specialized AI hardware and inference frameworks; requires expertise in distributed systems, GPU-level optimizations, inference frameworks (e.g., vLLM, llm-d, Ray Serve), and software engineering in GoLang or Python.

Hands-on technical leader responsible for end-to-end design, development, and operation of distributed inference hosting and data plane components for large language and multimodal models. Role emphasizes performance optimization (tensor/data parallelism, KV cache, routing), GPU/interconnect awareness (NVLink, XGMI, RoCE), familiarity with inference frameworks (vLLM, llm-d, NVIDIA Dynamo, Ray Serve), strong software engineering in Go or Python, microservices and cloud operations, and defining/maintaining SLOs and observability. Compensation range listed as $167,200–$209,000 (USD, annual).

Lead architecture, design, development, and testing of large-scale distributed, cloud-native services. Drive technical direction, reliability (SLOs/SLAs), security, CI/CD, observability, and coach engineering teams. Requires 12+ years building high-scale cloud SaaS systems using Java, Go, or Python and experience with cloud platforms, microservices, databases, streaming, and containerization.

Discord is hiring a Staff Software Engineer on the Consumer Revenue org to build premium experiences across Nitro, Shop, Server Boosting, and User Identity. This full-stack role spans web, mobile, and backend work (React, React Native, TypeScript, Python) and involves end-to-end ownership, technical leadership, experimentation, and performance optimization. The role is remote within the U.S.; requires 8+ years of software engineering experience. Base salary listed: $248,000 to $279,000 per year.