Senior Backend Engineer with Java

This project is dedicated to building a comprehensive borderless financial platform designed to facilitate international banking flows, manage payments, handle account operations, and ensure regulatory compliance. The platform will process sensitive data and high-volume transactions, with a paramount focus on reliability and security.

Position Overview

We are seeking a Senior Backend Engineer to define the technical direction and drive architectural decisions for a backend domain. This role involves designing microservices, creating scalable solutions, mentoring a small engineering team, and collaborating closely with product specialists to shape the delivery roadmap.

Technology Stack

Java 21, Go, Spring Boot, JDBI, custom workflow engines, PostgreSQL, CockroachDB, DynamoDB, Redis, SQS, SNS, Kafka, AWS EKS ALB RDS S3 Secrets Manager, Kong API Gateway, Datadog, Quickwit, JWT RBAC TLS request and response encryption VAPT, GitHub Actions, Docker, ArgoCD, microservices, event-driven architecture, saga and orchestration patterns, CDC pipelines, maker checker workflows.

Responsibilities

• Plan and design backend microservices with clear boundaries and contracts.
• Develop solutions for domains such as onboarding, payments, transaction orchestration, or platform components.
• Break down complex epics into actionable tasks with clear acceptance criteria.
• Review designs from other engineers to ensure scalability and fault tolerance.
• Drive technical decisions including caching layers, asynchronous processing strategies, database choices, and API versioning.
• Evaluate build versus buy options for integrations and services.
• Collaborate with a product manager to align on scope and prioritization.
• Lead a sub-team of backend engineers and support their professional growth.
• Support incident response, root cause analysis, and long-term improvements.
• Monitor service performance using logging, metrics, and tracing tools.

Requirements

• Professional backend engineering experience ranging from 4 to 7 years.
• Experience with Go (tooling & CLIs).
• Experience designing microservices with well-defined contracts and boundaries.
• Experience with Java 21 or modern Java versions.
• Experience with caching strategy design, including TTL and invalidation approaches.
• Experience working with asynchronous processing, event-driven architecture, or queue-based workflows.
• Experience using structured logging, metrics, and alerting to debug production systems.
• Experience in making build versus buy decisions with clear trade-off analysis.
• Experience reviewing code and identifying architectural or contract issues.
• Experience with AWS-based services.
• Experience working with relational and non-relational databases such as PostgreSQL or DynamoDB.
• Experience writing backend services using Spring Boot or similar frameworks.

Nice to Have

• Experience with financial or payments related systems.
• Experience with KYC or AML flows.
• Experience with workflow or orchestration engines.
• Experience with platform-wide pattern creation or reusable service design.
• Experience with data encryption practices and security audits.
• Experience with CockroachDB or high-availability distributed databases.