Staff Engineer

About Us

UMO is a stealth-mode FinTech venture aiming to evolve the way people experience money by building a unified, AI-powered, yet deeply human modern money platform across fiat, crypto, and investments—subject to regulatory approvals. The platform is being designed to break down traditional barriers to money across access, assets, and experience, enabling simpler, more adaptive ways for people to interact with financial services.

We are currently developing our MVP and navigating licensing requirements, with a multidisciplinary team of 100+ people representing 20+ nationalities. With our headquarters in the UAE and offices in Portugal and Ukraine, we are united behind a shared ambition and a relentless focus on serving our customers.

What You'll Do

We are looking for a Staff Backend Engineer to take a leading role in shaping the backend architecture and technical direction of our fintech platform.

In this role, you will work on high-load, distributed systems, drive architectural decisions, influence engineering standards, and collaborate closely with multiple teams. This position requires a strong individual contributor who also acts as a technical leader, ensuring scalability, reliability, and long-term sustainability of our backend systems.

Key Responsibilities

• Lead the design and evolution of backend architecture and high-load microservices
• Own and improve core backend and data infrastructure components
• Design scalable data pipelines, storage systems, and data flows
• Define best practices for system design, reliability, performance, and observability
• Work with queues, asynchronous processing, event-driven architectures, and data streams
• Participate in technical roadmap planning and long-term architectural decisions
• Review code and provide technical mentorship to senior and mid-level engineers
• Ensure high standards of code quality, testing, and documentation
• Collaborate with product, DevOps, and data teams to deliver scalable solutions
• Support and improve production systems in high-availability environments

Technology Stack:

• Languages: Go (Golang), TypeScript (optional)
• Storage: PostgreSQL, Redis, Kafka, ClickHouse
• Transport: gRPC, HTTP, RabbitMQ, Kafka
• Infrastructure: Docker, Kubernetes, Flux
• DevOps: Terraform, Helm (optional)
• Monitoring & Logging: Prometheus, Grafana, Loki

Requirements

• 7+ years of backend engineering experience, including production use of Go
• Deep understanding of microservices and distributed systems architecture
• Proven experience designing and scaling high-load, fault-tolerant systems
• Strong background in data pipelines, DWH, or data-intensive platforms
• Hands-on experience with message brokers, queues, and event-driven systems
• Excellent knowledge of concurrency, parallelism, and goroutines
• Ability to make, document, and defend architectural decisions and trade-offs
• Experience reviewing code and mentoring other engineers
• Strong knowledge of PostgreSQL, Redis, and data modeling
• Proficiency with Git, Docker, and Kubernetes
• English proficiency — B2+ level

Nice to Have

• Experience with blockchain or crypto infrastructure
• Background in clustering, replication, and distributed system design
• Knowledge of JavaScript / TypeScript
• Experience in fintech, neobanks, or highly regulated environments

Start-up Benefits:

• Compensation: A highly competitive salary package that recognizes your expertise and contribution.
• Modern Work Culture: Embrace a remote-first environment with flexible working hours, designed to support your work-life harmony.
• Generous Time Off: Annual Leave- 24 days, dedicated paid sick leave, and Public Holidays.
• Professional Evolution: Grow your skills with a dedicated learning budget and clear pathways for accelerated career development.
• Meaningful Impact: Join a world-class team building a prestigious, next-generation modern money platform that is redefining the future of finance.