Staff SW Engineer - Integration

Capitolis; Sterling (VA); On-site; USD 120,000 - 160,000; Full time

Job summary

Capitolis is seeking a Staff Engineer - Integrations to enhance the banking integration platform. This role demands deep experience with Spring Boot, Kubernetes, and REST APIs, focusing on supporting banking workloads. Responsibilities include owning the development and testing of integration services and mentoring junior engineers. Ideal candidates will bring over 8 years of software engineering experience, particularly in banking domain integrations. The position is based in Sterling, Virginia with opportunities to work within a dynamic team environment.

Qualifications

• 8+ years of hands-on software engineering experience.
• Deep understanding of banking domain integration patterns.
• Experience troubleshooting production incidents.

Responsibilities

• Own integration services' development and deployment.
• Manage end-to-end delivery life cycle.
• Conduct code reviews to ensure best practices.

Skills

Spring Boot

Spring WebFlux

REST APIs

Microservices

Kubernetes

Cloud platforms (GCP/AWS/Azure)

Integration with core banking and card processors

Tools

Docker

CI/CD tools (ArgoCD)

Job description

Candescent is the leading cloud-based digital banking solutions provider for financial institutions. We are transforming digital banking with intelligent, cloud-powered solutions that connect account opening, digital banking, and branch experiences for financial institutions. Our advanced technology and developer tools enable seamless, differentiated customer journeys that elevate trust, service, and innovation. Success here requires flexibility in a fast-paced environment, a client-first mindset, and a commitment to delivering consistent, reliable results as part of a performance-driven, values-led team. With team members around the world, Candescent is an equal opportunity employer.

Staff Engineer - Integrations

Experience : 11 Years - 15

Location: Hyderabad, India

Reports to: Director, Integrations Engineering

Role Summary

Candescent is transforming digital banking with a modern, AI-powered platform that empowers financial institutions to deliver smarter, faster, and more personalized customer experiences.

The Staff Engineer will be responsible for the Integration Platform supporting critical banking and financial services workloads. Deep experience integrating with card and core banking processors (FiServ, Visa, FIS) is needed. This role requires strong expertise in Spring Boot, Spring WebFlux, Netty, REST APIs, microservices, and cloud-native deployment on Kubernetes. The Staff Engineer will contribute to solution design, drive high-quality engineering practices, and ensure reliability, performance, and scalability of the integration platform.

In addition to core engineering responsibilities, the Staff Engineer will mentor junior engineers, improve code quality and testing standards, own end-to-end delivery of features, and support production operations by triaging and resolving issues to maintain high customer satisfaction.

Key Responsibilities

• Take full ownership of requirements analysis, technical design, development, testing, and deployment of integration services.
• Manage end-to-end delivery life cycle including production readiness, monitoring, and support.
• Ensure that features and services delivered by the team meet performance, reliability, and security expectations.
• Maintain accountability for addressing production issues, driving RCAs, and implementing long-term fixes.

• Design and develop integration services using Spring Boot, WebFlux, Netty, REST APIs, and microservices.
• Contribute to architectural discussions and ensure solutions follow best practices for scalability and maintainability.
• Support modernization of existing integration components into cloud-native, reactive architectures.

• Collaborate with SRE and operations teams to improve system reliability, observability, and operational workflows.

• Conduct code reviews and ensure adherence to secure coding and engineering best practices.
• Improve developer productivity through tools, automation, and CI/CD pipeline enhancements.
• Promote the adoption of observability, proactive monitoring, and automated quality checks.

• Mentor junior and mid-level engineers on design patterns, testing, debugging, and production readiness.
• Contribute to cross-team design reviews and technical discussions with product, QA, DevOps, and architecture teams.
• Assist in evaluating technical risks and ensuring compliance with security and regulatory requirements.

Requirements (Must-Have)

• 8+ years of hands-on software engineering experience.
• Strong proficiency in:
  • Spring Boot, Spring WebFlux, reactive programming
  • Netty, Reactor, non-blocking I/O
  • REST APIs and microservices
  • Distributed systems fundamentals
  • Kubernetes, Docker, containers
  • Cloud platforms (GCP/AWS/Azure)
• Good understanding of JVM internals, GC logs, thread dumps, and performance profiling tools.
• Experience with CI/CD pipelines, GitOps practices, and tools like ArgoCD.
• Hands-on experience with logs, metrics, traces, and troubleshooting production incidents.
• Deep understanding of banking domain integration patterns (onboarding, KYC, transaction flows, core banking interfaces).
• Integration experience with core banking and card processors is required.

• Awareness of security and compliance requirements (OAuth2, mTLS, encryption, audit, data privacy, regulatory controls).

• Strong communication and collaboration skills to work across engineering, product, and operations teams.
• Strong sense of accountability, ownership, and structured problem-solving capability.

Preferred Qualifications

• Experience with distributed tracing tools (OpenTelemetry, Jaeger, Zipkin).
• Familiarity with APM tools such as Dynatrace, New Relic, or AppDynamics.
• Exposure to high-throughput systems (>500 TPS).
• Experience with Resilience4j, API gateways, or service mesh architectures.
• Knowledge of caching frameworks like Redis or Hazelcast.
• Contributions to internal frameworks, reusable libraries, or open-source software.