Data Tech Lead: Go Backend, AI Pipelines, Remote & Flexible

Anonymous; Lisboa; Remote; EUR 120,000 - 180,000; Full time

Benefits offered by this job

Flexible working hours

Learning budget

24/7 remote-first culture

Job summary

UMO, a stealth-mode FinTech with offices in Portugal and Ukraine, is looking for a Data Technical Lead to steer the data platform architecture across multi‑regional environments.

You will be hands-on in Golang, mentor engineers, design distributed systems, and integrate AI-assisted tooling to accelerate delivery in a remote‑first, flexible work culture. A strong focus on data pipelines and observability is essential.

Qualifications

• 7+ years of experience in software engineering with a focus on data-intensive systems.
• Expert-level Golang: Deep understanding of concurrency patterns, performance tuning, and idiomatic Go.
• Data Streaming Expert: Proven track record with Kafka (including Kafka Connect) and event-driven architectures.
• Pipeline Mastery: Extensive experience building and maintaining complex ETL/ELT pipelines.
• AI Savvy: Hands‑on experience using AI agents/LLMs (Claude, Cursor) to speed up development; ability to configure system rules and custom skills.
• Database Deep-Dive: Strong knowledge of PostgreSQL and ClickHouse (OLAP).
• Distributed Systems: Experience handling multiregional data (latency, residency, and synchronization challenges).
• Technical Leadership: Experience mentoring senior engineers and leading architectural reviews.

Responsibilities

• Define and evolve the architecture of high-load data platforms and services.
• Architect and build robust ETL/ELT pipelines and real-time data processing services using Golang.
• Design and own data flows and storage strategies for multiregional environments.
• Lead the development of event-driven systems, focusing on low latency and high throughput.
• Integrate and optimize AI Agents into the engineering workflow, managing rules, skills, and prompts to enhance team productivity.
• Ensure data consistency, reliability, and observability across the entire stack.
• Review code and provide technical mentorship to engineers (Golang/TypeScript).
• Make and document critical architectural decisions and technical trade-offs.

Skills

Golang

Kafka

Data pipelines

ETL/ELT

AI/LLMs

PostgreSQL

ClickHouse

Distributed systems

Technical leadership

TypeScript

Tools

Kafka Connect

gRPC

HTTP

Web Sockets

Type Script

Job description

UMO, a stealth-mode FinTech with offices in Portugal and Ukraine, is looking for a Data Technical Lead to steer the data platform architecture across multi‑regional environments.

You will be hands-on in Golang, mentor engineers, design distributed systems, and integrate AI-assisted tooling to accelerate delivery in a remote‑first, flexible work culture. A strong focus on data pipelines and observability is essential.