Senior Go Engineer - Fintech Core Banking & Payments

Colibrix One; United States; Hybrid; USD 180,000 - 230,000; Full time

Benefits offered by this job

Flexible work arrangements

Competitive salary

Learning & development opportunities

Collaborative team culture

Opportunity to shape fintech solutions

Job summary

COLIBRIX ONE seeks an experienced Go Engineer to join our team and contribute to a high-velocity payment gateway product. You will design and implement scalable services, work across distributed systems, and mentor colleagues with practical expertise in fintech.

The role emphasizes security of financial data, strong collaboration, and delivering reliable, observable production systems. Flexible work arrangements are available within our fintech scale-up.

Qualifications

• 5+ years of Go development, with 3+ years in fintech or payments.
• Strong knowledge of distributed systems and API design.
• Advanced PostgreSQL skills and migrations.
• Experience in designing reliable transactional systems.
• Hands-on event-driven architectures and message brokers.
• Production services experience including deployments and observability.
• Practical AWS, Kubernetes, and CI/CD experience.
• Familiarity with banks, payment providers, AML/KYC, or anti-fraud platforms.
• Security awareness for financial and personal data.

Responsibilities

• Develop Go services for a payment gateway product.
• Translate business requirements into scalable technical solutions.
• Mentor team members through knowledge sharing rather than authority.

Skills

Go

Distributed systems

API design (REST/gRPC)

Transactional systems

Event-driven architectures

Production services

AWS

Kubernetes

CI/CD

Banking/Payments AML-KYC

Security of financial data

Requirements translation

Strong communication (RU/EN)

Tools

NATS

Kafka

RabbitMQ

PostgreSQL

OpenTelemetry

Prometheus

Grafana

Loki

Tempo

Temporal

GitLab CI/CD

Job description

COLIBRIX ONE seeks an experienced Go Engineer to join our team and contribute to a high-velocity payment gateway product. You will design and implement scalable services, work across distributed systems, and mentor colleagues with practical expertise in fintech.

The role emphasizes security of financial data, strong collaboration, and delivering reliable, observable production systems. Flexible work arrangements are available within our fintech scale-up.