Top Tech Jobs & Startup Jobs in Denver & Boulder, CO

Own end-to-end IT operations for a globally distributed workforce, including cross-platform support, MDM administration, patch management, endpoint security, SaaS and identity access, onboarding and offboarding, automation, asset inventory, procurement, and cloud/IaC collaboration. The role requires strong macOS, Windows, and Linux expertise, participation in weekend on-call rotation, and experience improving secure, scalable IT systems in a remote environment.

Serve as the technical expert for enterprise partners, supporting customer relationships, pre-sales engagements, API consultations, solution design, integrations, onboarding, demos, RFPs, and security questionnaires. Translate customer, vendor, and regulatory requirements for product and engineering teams, support platform adoption, create technical documentation, and coordinate feature testing and rollouts. Requires strong API and enterprise customer experience, with fintech and securities knowledge preferred.

The Senior Accountant will manage journal entries, account reconciliations, monthly and annual close processes, financial statements, internal reporting, audits, tax documentation, reserves, and accounting policies. The role supports a multi-entity, regulated fintech environment and collaborates with cross-functional teams to improve processes, controls, automation, and regulatory compliance.

Supports AML and compliance operations for a cryptocurrency platform. Responsibilities include reviewing transaction monitoring alerts, investigating accounts and blockchain activity, preparing SARs, performing KYC/KYB and EDD reviews, sanctions screening, using blockchain analytics tools, and optimizing monitoring rules with compliance engineering and cross-functional teams.

Leads cryptocurrency accounting operations, financial reporting, month-end close, reconciliations, audit coordination, technical accounting, and internal controls. The role develops accounting policies for digital assets, evaluates complex transactions under US GAAP, supports regulatory requirements, partners with cross-functional stakeholders, and drives process automation and scalability. It also serves as the primary accounting liaison for crypto initiatives, external auditors, and regulatory examinations.

Design, develop, and maintain web and mobile applications for Alpaca’s trading API customers. Build responsive, performant, accessible user interfaces and deliver high-visibility features from design through deployment. Collaborate with cross-functional teams, contribute to frontend and backend systems, influence technical strategy, and mentor peers. Work includes trading dashboards, product features, and end-to-end user experiences across frontend and backend platforms.

Own the architecture and long-term direction of Alpaca’s Redpanda-based event streaming platform. Lead migration to event-driven systems, design scalable real-time client streaming, establish schema and library standards, shape authentication for streaming, partner on resilience and testing, mentor engineers, influence cross-team technical decisions, and participate in platform on-call. The role primarily uses Go and involves Kubernetes, Helm, PostgreSQL, observability, and distributed systems.

Build and own automated testing frameworks, CI/CD infrastructure, load and stress testing, and chaos engineering practices for a brokerage platform. Write primarily Go, integrate AI and LLM tooling into quality workflows, investigate application and Kubernetes failures, improve developer tooling, and mentor engineers on reliability and test coverage.

Build and architect Alpaca’s algorithmic trading platform, developing high-performance, low-latency brokerage systems. Responsibilities include extensive frontend and backend coding, distributed system design, database and concurrency architecture, high availability, throughput optimization, and object-oriented modeling. The role requires prior experience with trading or exchange systems, including OMS and RMS platforms, and involves making critical technical decisions in a demanding early-stage environment.

Build and maintain Alpaca Connect developer-platform experiences using TypeScript, React, and Go. Improve onboarding, app management, compliance review, publishing, consent, and permissions workflows. Design APIs and integrations with identity, account, trading, and market-data systems while creating secure, auditable self-service tools. Own features from design through production and collaborate with Product, Design, Compliance, Support, Partnerships, and Platform teams.