Senior Go Engineer - Fintech Core Banking & Payments

Colibrix One; Almada; Presencial; EUR 60 000 - 90 000; Tempo integral

Vantagens oferecidas por esta oferta de emprego

Competitive salary and benefits

Flexible work arrangements

Learning & development opportunities

Resumo da oferta

COLIBRIX ONE is seeking an experienced Senior Go Engineer to join our Core Banking unit in Caparica, Portugal. You will design and implement scalable, transactional services, collaborating across fintech teams to deliver reliable payment gateway capabilities.

The role requires deep expertise in Go, distributed systems, and API design, with hands-on experience in AWS/Kubernetes, PostgreSQL, and event-driven architectures. Excellent English and Russian communication is essential.

Qualificações

• 5+ years of professional Go development experience, including 3+ years in fintech, banking, payments, or other transaction-critical systems.
• Strong knowledge of distributed systems, microservices, and API design (REST and gRPC).
• Advanced PostgreSQL skills, including transactions, isolation levels, locking, indexing, migrations, and concurrency.
• Experience designing reliable transactional systems using idempotency, retries, event deduplication, transactional outbox, sagas, and reconciliation.
• Hands-on experience with event-driven architectures and message brokers such as NATS, Kafka, or RabbitMQ.
• Experience building and operating production services, including incident investigation, safe deployments, database migrations, and observability.
• Practical knowledge of AWS, Kubernetes, and CI/CD.
• Experience integrating with banks, payment providers, processors, AML/KYC, or anti-fraud platforms.
• Understanding of security requirements for financial and personal data.
• Ability to translate business requirements into technical solutions and independently drive implementation.
• Strong communication skills and working proficiency in Russian and English.

Conhecimentos

Go development

Fintech/payments

Distributed systems

API design REST/gRPC

PostgreSQL

Idempotency/retries

Event-driven architecture

Message brokers

AWS/Kubernetes/CI/CD

Banking integration

Security/compliance

English/Russian bilingual

Ferramentas

NATS

Kafka

RabbitMQ

PostgreSQL

Descrição da oferta de emprego

COLIBRIX ONE is seeking an experienced Senior Go Engineer to join our Core Banking unit in Caparica, Portugal. You will design and implement scalable, transactional services, collaborating across fintech teams to deliver reliable payment gateway capabilities.

The role requires deep expertise in Go, distributed systems, and API design, with hands-on experience in AWS/Kubernetes, PostgreSQL, and event-driven architectures. Excellent English and Russian communication is essential.