Senior Software Engineer (Fintech)

TL;DR

Senior Software Engineer (Go/Java): Architecting and developing payment integrations and financial infrastructure for institutional digital asset trading with an accent on low-latency event-driven platforms and distributed systems. Focus on building unified APIs for payment providers, managing complex transaction lifecycles, and migrating legacy Java systems to modern Go microservices.

Location: Remote (Work from anywhere)

Company

hirify.global is a global software engineering company providing complex digital transformation services for diverse industries.

What you will do

• Design and integrate systems with payment processors, banks, custodians, and stablecoin rails.
• Build unified internal APIs to standardize data and hide differences between external providers.
• Develop reliable payment flows for deposits, withdrawals, payouts, settlements, and reconciliation.
• Implement event-driven, asynchronous systems using NATS JetStream, Redis, and PostgreSQL.
• Manage transaction tracking, state recovery, and idempotency for complex payment scenarios.
• Support migration efforts from legacy Java/Spring and RabbitMQ to modern Go microservices.

Requirements

• Strong professional experience in Go and/or Java.
• Deep expertise in API integrations (REST, webhooks, authentication, and error recovery).
• Proficiency with Kafka, NATS, RabbitMQ, Redis, and PostgreSQL.
• Proven experience in payments or financial systems (ledgers, reconciliation, or digital asset rails).
• Strong knowledge of concurrency, distributed architectures, and performance optimization.
• Familiarity with Kubernetes and AWS deployments.

Nice to have

• Experience with FIX protocol, custodial platforms, or crypto trading infrastructure.
• Background in migrating legacy monoliths into service-oriented architectures.
• Knowledge of accounting or ledgering concepts.
• Exposure to high-throughput, low-latency financial systems.

Culture & Benefits

• Opportunity to work on high-impact projects in the digital assets space.
• Professional growth via Udemy courses and expert knowledge-sharing workshops.
• Flexible hours and a true "work from anywhere" setup.
• Clear career progression paths and mentorship.
• Dedicated absence days to ensure work-life balance.
• Company events, team-buildings, and charity activities.