Senior AI Application Engineer

TransUnion is hiring managers to supervise and manage software developers across U.S. worksites (remote permitted). Responsibilities include designing, testing, implementing, installing, configuring and tuning software applications; supporting Decision Centre platform initiatives (CI/CD, DB resiliency, MapR, cloud migration); and overseeing team performance. Required technical skills include .NET stack (C#, ASP.NET, MVC, ADO.NET, SSIS/SSRS), SQL Server, WCF/Web Services, WPF, XML, TFS, and related tools.

Join Grafana Labs' Session Replay squad to design and implement end-to-end systems for capturing, storing, and querying high-volume session data. The role involves backend architecture (columnar/analytical storage), frontend workflows (TypeScript/React), data ingestion and query design, cross-team collaboration, and direct customer engagement. Base salary range in the US is USD 154,445 - 185,334.

Technical Lead / Architect responsible for owning technical design and architecture, designing API-driven and distributed solutions, leading design/code reviews, and supporting delivery. Requires 8+ years in software engineering with hands-on C#/.NET, familiarity with Python, strong Azure experience (Container Apps, Functions, API Management, storage, identity), Terraform/IaC, CI/CD, GitHub/Azure DevOps, and fluent English. Remote; locations specified: Costa Rica, Peru, Colombia, Bolivia.

Senior Integration Engineer responsible for designing and building the connector layer between AI front ends and enterprise systems, developing MCP servers and connectors (Microsoft Graph/Copilot), implementing APIs and authentication/authorization (Entra ID, OAuth, OIDC), configuring Azure API Management, and integrating systems of record. Requires 5+ years in integration/backend engineering and strong hands-on experience with C#/.NET, REST APIs, Azure API Management, and Azure serverless/container technologies. Remote; locations listed: Bolivia, Colombia, Costa Rica, Peru.

CrowdStrike is hiring a Sr. AI SDLC Engineer to build agentic workflows and LLM-agent infrastructure that automate code generation, review, testing and release. The role requires 5+ years of backend/platform engineering experience (production Kubernetes preferred), hands-on experience with LLM-agent systems, strong understanding of LLM application mechanics, and proficiency in Go and/or Python. The position is remote for U.S. candidates.

CrowdStrike is hiring a Software Development Engineer II (Full Stack) to design and implement tools and automations for managing cloud-based infrastructure. The role involves working with Go or other object-oriented languages, integrating APIs (REST/GraphQL/SOAP), writing SQL for RDBMS (Postgres/MySQL), and building/deploying LLMs and AI agents to improve cost optimization and cloud efficiency. Experience with containers, CI/CD, tracing/metrics, and security practices is emphasized.

Capital One Software is hiring a Lead Full Stack Developer to architect, build and maintain their marketing website. Responsibilities include implementing UI components with design, integrating third-party services (analytics, CMS, Marketo, A/B testing), establishing reliable staging and production deployments, driving Core Web Vitals, SEO and accessibility, and governing development and operations workflows. Requires a bachelor's degree (or higher) in a quantitative field and at least 4 years of software engineering experience; 2+ years with public cloud platforms. Note: the employer will not sponsor new applicants for employment authorization for this position.

Customer.io is hiring a Staff Product Engineer to own ambiguous, cross-team problems end-to-end, partner with product/design/data, lead technical decisions across the stack (architecture, performance, reliability), mentor teams, and use AI responsibly across the development lifecycle. Role is remote in the Americas. Starting salary range $200,000–$280,000 USD plus a 10% annual bonus target.

Mozilla is hiring a Senior Software Engineer to design, build, deploy, and operate backend services for Ecosystem Services. The role emphasizes end-to-end ownership, collaboration with frontend, CloudEng and product teams, on-call production support, observability (OpenTelemetry, Sentry, Prometheus, Grafana), and hands-on GCP and Docker-based deployment experience. Required: 4+ years backend development experience with Python, TypeScript/Node.js, or Rust and familiarity with PostgreSQL and SQL optimization.

Mozilla is hiring Senior Software Engineers for multiple Ecosystem Services backend teams to design, build, deploy, and operate backend platforms focused on privacy, security, and reliability. The role requires end-to-end ownership of services, collaboration with cross-functional teams, on-call rotation, and hands-on experience with backend languages (Python/TypeScript/Node.js or Rust), PostgreSQL, Docker, and GCP-based deployments and observability tooling.