Lead development of new features and products, provide technical mentorship, collaborate with product and UX, and maintain a modern .NET-based stack. Tech stack includes C#, .NET Framework/Core, ASP.NET (MVC/Core), Blazor, SQL/T-SQL, Entity Framework, JavaScript/jQuery, Azure Functions, Azure/AWS, Terraform, DevOps tooling, and monitoring (New Relic). Candidates must have 10+ years development experience and experience deploying to a major cloud provider.

Twilio is hiring a Backend Software Engineer on the Segment CDP team to design and build scalable backend systems and APIs, improve system reliability, and collaborate cross-functionally. Required experience includes programming in Go/Java/Python, operating distributed systems on cloud infrastructure (AWS), container orchestration (Kubernetes/EKS/ECS), async processing, and shipping services via CI/CD. The role is remote (US) with some state hiring exclusions and no mandatory travel.

CrowdStrike is hiring an Engineer III for the NG-SIEM Global Serverless Platform (hybrid, Austin, TX). The role focuses on building and operating the region-level control plane and automation for a large-scale log ingest/search data plane (Golang development), ensuring scalability, high availability, monitoring, and production reliability. U.S. Citizen or U.S. Permanent Resident required. Base salary range listed: $120,000–$180,000/year.

Work on Pyroscope, an open-source continuous profiling database: design, build, operate, and maintain distributed systems for profile ingestion and querying; lead projects end-to-end; participate in on-call rotations; collaborate with Grafana Cloud teams and customers. Strong experience with backend development, distributed systems, cloud-native technologies (Kubernetes), and familiarity with Go and profiling/instrumentation ecosystems is expected.

Join Grafana Labs' Pyroscope backend team to design, build, operate, and maintain distributed systems for profile ingestion and queries. Work remotely (US/Canada), collaborate on cloud-scalable systems, participate in on-call rotations, mentor teammates, and contribute to roadmap and plugins integrating profiling with Grafana and Prometheus.

CareMessage is hiring a Software Engineer II (Integrations) to deliver and maintain API-to-API integrations, direct database connections, and FHIR/HL7 workflows with EHRs. Requires minimum 3 years software engineering experience, hands-on JavaScript plus another language, backend/API development experience, and familiarity with healthcare interoperability. Role is remote (must reside in the United States). Compensation listed at $152,650 USD/year.

Role on the Backend Engineering team to design, build, and maintain scalable analytics and backend services for an ML/LLM observability platform. Responsibilities include developing APIs, working with OLAP and distributed systems, integrating collection and monitoring tools, and contributing to open-source components. Requires 5+ years of backend experience and strong proficiency in languages such as Go, Python, Java, or TypeScript.

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.

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 to solve scaling bottlenecks, deploy features with progressive rollout via feature flags, investigate and fix production issues, and design systems for higher traffic. Requires 6+ years experience, strong programming skills (Go, C, Python), system design for high scale, and experience or interest in applying AI coding tools and building AI backend systems. Familiarity with Redis, Cassandra, Kafka, observability (metrics, logs, tracing), and data pipelines is a plus.

Twilio is hiring a Software Engineer (L2) to join the Stytch team and build backend systems for authentication, authorization, and agentic/non-human identity use cases. The role is US-remote, requires 3+ years of experience with high-scale cloud production systems, strong RESTful API experience, and involves collaboration across product and engineering, on-call rotations, occasional travel, and mentoring responsibilities.

Grafana Labs is hiring a Staff Backend Engineer for the Adaptive Telemetry group (remote, candidates in USA time zones). The role owns architecture, roadmap and end-to-end delivery of large initiatives for telemetry databases (metrics, logs, traces, profiles). Responsibilities include defining SLOs/SLIs, leading incident response and post-mortems, improving observability and automation, capacity planning, and mentoring engineers. Relevant experience includes building and operating large distributed systems, cloud-native platforms (Kubernetes, IaC), strong coding skills (Go preferred), and familiarity with observability tooling (Prometheus/Grafana) and messaging systems (e.g., Kafka).

Replit seeks a Growth Infrastructure Engineer to design, implement, and operate scalable infrastructure and analytics pipelines supporting growth experiments, A/B testing, feature flags, and automated campaign workflows. Requires 3+ years building backend or infrastructure-focused services and experience with cloud platforms, CI/CD, infrastructure as code, and experimentation tools.

Lead design, architecture, and implementation of Replit's core financial systems (order-to-cash, subscriptions, usage billing, in-app payments, marketplaces). Collaborate with finance and external payment partners, build monitoring/observability, and enable pricing/packaging experimentation. Tech stack includes Rust, TypeScript, React, Postgres, GraphQL, and Node.js. Requires 8+ years of software engineering experience with strong backend and payments/billing domain experience.

Lead architecture and implementation of monetization systems (payments, subscriptions, usage-based billing, coupons/referrals) and build billing abstractions/APIs for other engineers. Responsible for creating customer-facing billing interfaces, monitoring and debugging billing issues, and iterating on pricing/packaging. Requires 6+ years engineering experience with strong backend skills. Role is full-time, based in Foster City, CA with in-office days Monday, Wednesday, Friday.

Join 1Password's SaaS Manager team to build and maintain production .NET/C# systems that provide visibility, governance, and insights for SaaS usage. Responsibilities include coding, testing, debugging, code review, collaboration with cross-functional teams, mentoring junior teammates, and contributing to planning and documentation. Remote within the United States and Canada, ideally able to work Eastern Time hours.

Permanent senior-level Python engineering role at Nearform for candidates based in the United States and authorized to work without sponsorship. Responsibilities include designing and building Python applications, data storage solutions, performance optimization, and working with AI frameworks and agentic workflows. Requires ~8+ years' commercial experience, strong Git and testing practices, CI/CD, cloud and database experience, and frequent travel to US client sites.

Build and evolve cloud-based, near-real-time services for endpoint security, focusing on performance, availability and scalability. Requires strong experience (8+ years) building and operating backend, distributed systems with technologies such as Go, Python, Kubernetes, Kafka, Redis, Cassandra and cloud platforms (AWS/Azure). Role is hybrid (2-3 days/week on-site) and requires occasional travel and background checks for government customer requirements.

Build and operate resilient distributed systems (1,000+ TPS) for payment tokenization and related services. Partner with Product, integrate AI agents across the SDLC, implement observability, optimize for scale and latency, participate in on-call rotations, and uphold code quality. Requires 6+ years Java/Spring experience and hands-on experience with cloud-native stacks, message brokers, observability tooling, and CI/CD.

Ramp is hiring a Software Engineer to own and scale stablecoin-based payment and treasury systems, integrating with external partners and core products. The role expects production experience with stablecoin/blockchain payments, cloud platforms (AWS/GCP/Azure), IaC (Terraform), proficiency in languages like Python/Go/Java, and experience with security-sensitive systems (key management, wallet security). Location options include New York, NY or San Francisco, CA; relocation support to NYC or SF is offered.