Senior Java Developer

Peratera

. Design and develop high-load, distributed backend services for financial operations .

Posted 9/23/2026full-timeRemote • United KingdomSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in designing and developing high-load, distributed backend services, with a strong focus on financial operations, system reliability, and observability. Proficient in Java, Spring Boot, and REST API design, with a solid understanding of distributed systems and microservices architecture.

Highest-signal resume keywords

Java DevelopmentSpring Boot EcosystemDistributed SystemsREST API DesignSQL and PostgreSQL

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Hard Skills

Java DevelopmentSpring BootDistributed SystemsMicroservices ArchitectureREST API DesignSQLPostgreSQLEvent-Driven ArchitectureClean Code PrinciplesAI/ML Integration

Soft Skills

CollaborationAsynchronous CommunicationOwnership

Tools & Technologies

CI/CD PipelinesObservability ToolingMessaging SystemsCamundaWorkflow Orchestration Engines

Certifications & Qualifications

PCI DSS Compliance

Industry Keywords

Financial SystemsPaymentsBankingFintechOpen Banking

Tech Stack

Tools & technologies

CloudDistributed SystemsJavaMicroservicesPostgresSpringSpring BootSpringBootSQL

About the role

Key responsibilities & impact

Design and develop high-load, distributed backend services for financial operations
Work on core payment flows, callbacks, reconciliation, and transaction lifecycle management
Participate in architecture discussions and contribute to system design decisions
Implement observability across services, including logging, metrics, and distributed tracing
Improve system reliability, fault tolerance, and overall platform resilience
Drive code quality, testing strategy, and engineering best practices across the team
Contribute to the platform's evolution toward AI-assisted and data-driven capabilities
Collaborate closely with Product, DevOps, and Architecture teams

Requirements

What you’ll need

6+ years of strong, production Java experience
Deep expertise in the Spring Boot ecosystem
Solid understanding of distributed systems and microservices architecture
Experience building high-load or financial systems, including payments, banking, or fintech
Strong REST API design skills
Hands-on experience with messaging systems
Solid SQL skills; PostgreSQL experience preferred
Familiarity with cloud environments, CI/CD pipelines, and observability tooling
Comfortable working asynchronously in a distributed, international team
Clean Code mindset, including SOLID principles, maintainability, and genuine ownership
Exposure to Open Banking or regulated payments environments preferred
Experience with Camunda or other workflow orchestration engines preferred
Understanding of PCI DSS compliance requirements preferred
Experience with event-driven or event-sourcing architectures preferred
Interest or hands-on experience with AI/ML applied to backend systems preferred

Benefits

Comp & perks

Competitive, market-aligned compensation
Fully remote setup
Flexible hours
International, highly skilled team
Direct impact on architecture and strategic platform decisions from day one
Exposure to modern cloud-native, AI-assisted, and Open Banking systems
Opportunity to grow toward Tech Lead or Staff Engineer roles