Senior Mainframe Developer

Topstep is hiring an Engineering Manager to lead a team within the Trading Platform responsible for TopstepX (order flow, execution, market data, and integrations). The role focuses on people leadership (hiring, coaching, reviews), operational excellence (on-call, incident response, observability), and delivery cadence and technical debt. Requires 7+ years software engineering experience, 2+ years engineering management, and hands-on background with backend/distributed systems (.NET/C#, AWS, Docker, Kubernetes). Experience with trading/fintech, low-latency or real-time systems, microservices, and CI/CD tooling is preferred.

Hiring a Senior Full-Stack Engineer proficient in Python and React to develop backend services, data pipelines, and production-ready frontend interfaces for AI-native digital platforms. Requires 6+ years of professional software development experience, strong API and integration skills, expertise with CI/CD, automated testing (Pytest), containerization, cloud platforms, observability, and familiarity with AI-enabled development and agent-driven workflows. Role is 100% remote; candidate location listed as Bogota.

Seeking a Senior Full-Stack Engineer with 6+ years' professional experience to develop and ship full-stack applications (Python backend, React frontend). Responsibilities include building APIs and data pipelines, creating reusable components, improving observability/resilience/security, prototyping features, and leveraging AI-enabled development tools and agent-driven workflows. Required skills include Python, React, API integration, CI/CD, automated testing (Pytest and frontend equivalents), containerization, and cloud platform experience.

Responsible for designing, developing, and maintaining large-scale simulation and test infrastructure, metrics, and test sets to validate autonomous driving systems. Requires 5+ years of software engineering and data analysis experience, strong Python skills, and experience with simulation, robotics, or AI/ML-related validation; mentoring and cross-team collaboration are part of the role.

Lead design and development of scalable internal platforms, automation frameworks, workflow engines, services, APIs, and integrations. Build LLM-based workflows for triage, code/log analysis, test assistance, and knowledge retrieval. Integrate tooling with CI/CD, source control, issue trackers, test infrastructure, and dashboards. Requires BS/MS or equivalent, 8+ years software engineering experience, strong hands-on skills in Python, Bash, C/C++, Linux, and experience with LLM workflows, observability, and technical leadership.

Work on the CRE platform to deliver core capabilities across CLI, Go and TypeScript SDKs, frontend services and backend APIs. Improve scalability, workflow durability, reliability, and developer experience. Requires experience operating production backend systems at scale, advanced Go proficiency, and distributed systems design. Remote-global role with requested overlap with EST hours.

Work on a small R&D-driven team building a global context layer for data: design and implement components for data modeling, semantic search, retrieval, and code generation using LLMs, embeddings, and vector databases. Requires 5–8 years software engineering experience with Python or Go and familiarity or interest in applied AI, with contributions to product development from research to production.

Midnight seeks a Rust engineer to own the Indexer: ingesting blockchain blocks via subxt, processing and storing data in PostgreSQL and SQLite, and evolving a GraphQL API (including real-time subscriptions and wallet privacy features). Role requires production experience building high-performance backend/data systems, strong Rust skills (async/tokio), testing and operational ownership (Docker, observability); blockchain and ZK experience are valued.

Remote Staff Software Engineer - SRE at Grafana Labs responsible for ensuring reliability of Grafana Cloud database products (Mimir, Loki, Tempo, Pyroscope) provided across AWS, GCP, and Azure. Duties include owning production reliability for high-SLA customers, defining and evolving per-tenant SLOs, automation to scale reliability practices, incident response and post-incident reviews, improving observability and alert quality, and collaborating closely with product engineering teams. Role requests 8+ years engineering experience (4+ in SRE/CRE/production engineering) and strong Kubernetes, infrastructure-as-code, programming, and Linux experience.

Nearform seeks a Technical Lead to lead development teams, work directly with clients, and own technical delivery. Requires 2+ years leading projects, strong software engineering experience, proficiency with Golang and/or Python, modern frontend stacks (React/Angular/TypeScript), Kubernetes, Terraform/Helm, OpenTelemetry, CI/CD, and experience with AI/agentic frameworks. Role is remote for US candidates, frequent travel to US client sites, and visa sponsorship is not available.