L1 Technical Support Engineer – Real-Time Market Data API

Databento; Greater London; On-site; GBP 40,000 - 60,000; Full time

Job summary

Databento, a market data platform for real-time and historical data, is seeking a technically skilled support engineer to be the first contact for EU business hours. You will resolve API usage, onboarding, authentication, and billing questions, and escalate complex issues with precise reproduction steps.

You will also contribute to documentation, tutorials, and developer content, and actively participate in developer communities to surface feedback and improve the platform.

Qualifications

• Prior experience with Databento's API.
• At least 2 years of experience in technical support, QA, or engineering.
• Working proficiency in Python.
• Experience with troubleshooting tools (Wireshark, tcpdump, ss, nc, telnet, strace, gdb, perf, eBPF, lsof, curl, xxd, jq, SQL).
• Experience with observability tools (Grafana, Prometheus, Loki, Sentry).
• Strong technical communication skills; DevRel experience is a plus.
• Experience at an early-stage startup is a plus.
• Based in the EU region to provide support during business hours.

Responsibilities

• Act as the first point of contact for customer support inquiries, resolving issues related to API usage, onboarding, authentication, integration, and billing.
• Escalate issues to L2/L3 support or engineering with clear reproduction steps and logs.
• Identify recurring questions and contribute improvements to documentation, FAQs, and onboarding materials.
• Write technical content such as tutorials, how-to guides, and blog posts for developers.
• Help manage and grow our online developer communities (Slack, Reddit, etc.).

Skills

Python

Databento API

API troubleshooting

Technical writing

DevRel/community management

Tools

Wireshark

tcpdump

Grafana

Prometheus

Loki

Sentry

curl

SQL

Job description

Databento, a market data platform for real-time and historical data, is seeking a technically skilled support engineer to be the first contact for EU business hours. You will resolve API usage, onboarding, authentication, and billing questions, and escalate complex issues with precise reproduction steps.

You will also contribute to documentation, tutorials, and developer content, and actively participate in developer communities to surface feedback and improve the platform.