Senior Backend Engineer — Java, Kubernetes & AWS

HSBC Service Delivery; Kraków; On-site; PLN 195,000 - 257,000; Full time

Benefits offered by this job

Healthcare benefits

Multisport card

Private medical care

Life insurance

Home office setup allowance (800 PLN)

Job summary

HSBC Service Delivery in Kraków is seeking a Software Engineer (Backend Java/API) to join our Messaging Delivery Platform team on a permanent basis. You will design and implement distributed systems with modern stacks, collaborating with Agile cross-functional teams to translate requirements into scalable solutions.

The role requires senior Java/Spring Boot experience, Kubernetes, and AWS, plus strong API design skills and CI/CD expertise.

Qualifications

• Senior experience in Java and Spring Boot.
• Experience building and running services on Kubernetes.
• Practical experience with AWS.
• Strong knowledge of API design standards, patterns, and best practices including OpenAPI 3.0 / Swagger, REST, JSON, and Microservices.
• Experience with CI/CD toolchains including GitHub, Jira, Jenkins (shared libraries), Maven, and Groovy.
• Knowledge of service security including OAuth 2.0 authentication/authorisation, plus experience with Kong API Gateway.
• Solid understanding of Agile testing discipline (e.g., TDD) and strong Agile/Scrum delivery experience.
• Ability to learn new technologies and business domains quickly and apply them to real delivery challenges.

Responsibilities

• Build high-quality applications/systems to agreed requirements, on time, and to Group/local standards.
• Design and deliver distributed systems using modern stacks; quickly learn and apply new technologies.
• Write efficient, secure, resilient, performant, and operable code that meets the definition of done and manages dependencies.
• Perform unit testing and help establish/maintain appropriate automated test coverage.
• Review and challenge code, design, and implementation to ensure top quality and alignment with HSBC/industry standards.
• Maintain expert knowledge across relevant platforms; stay current with tools and technology trends.
• Collaborate closely with Agile teams (engineering, QA, product, architecture, operations) and partner with stakeholders to translate requirements into solutions.
• Drive innovation, strong problem-solving/decision-making, and accountability for control and compliance across engineering.

Skills

Java

Spring Boot

Kubernetes

AWS

API design

OpenAPI/Swagger

REST/JSON

Microservices

CI/CD

GitHub/Jira/Jenkins

Maven

Groovy

OAuth2

TDD/Agile testing

Tools

GitHub

Jira

Jenkins

Maven

Groovy

OpenAPI 3.0

Swagger

Kong API Gateway

Job description

HSBC Service Delivery in Kraków is seeking a Software Engineer (Backend Java/API) to join our Messaging Delivery Platform team on a permanent basis. You will design and implement distributed systems with modern stacks, collaborating with Agile cross-functional teams to translate requirements into scalable solutions.

The role requires senior Java/Spring Boot experience, Kubernetes, and AWS, plus strong API design skills and CI/CD expertise.