Senior Java Engineer - Spring Boot Microservices & Cloud

Aviva; Warszawa; Hybrid; PLN 140,000 - 210,000; Full time

Benefits offered by this job

Performance Bonus

Private medical care

Cafeteria benefits

Employee Shares Plan

Extra day off for birthday

Wellbeing Leave

Diversity Charter

Job summary

Aviva is hiring a (Senior) Software Engineer to build and operate high-performance microservices and APIs in a cloud-native setup. You will work on secure access to enterprise data, containerised services with Spring Boot and Python, and real-time integrations with the ODS platform.

You will design APIs, develop event-driven integrations, and support CI/CD on AWS ECS, collaborating with Architects, Data Engineers and Product Teams in an Agile environment.

Qualifications

• Strong software engineering experience (Senior – 4+ years, Regular – 3+ years).
• Proven expertise in Java and Spring Boot.

Responsibilities

• Designing, developing and maintaining RESTful APIs, microservices and integration services.
• Building containerised applications using Spring Boot and/or Python.
• Developing secure, scalable and resilient API solutions.
• Building event-driven services and integrations using Kafka/MSK.
• Creating reusable frameworks and integration patterns.
• Integrating with upstream and downstream systems using synchronous and asynchronous communication patterns.
• Supporting API lifecycle management, including versioning, contracts and service reliability.
• Deploying and operating services on AWS ECS with CI/CD and infrastructure automation.
• Implementing monitoring, logging, observability and performance best practices.
• Collaborating with Architects, Data Engineers and Product Teams in Agile delivery.

Skills

Java

Spring Boot

REST APIs

Kafka

AWS

Python

OpenAPI/Swagger

API security

API design

Kong AWS API Gateway

Event-driven

CDC

Event sourcing

Tools

AWS ECS

S3

Aurora/PostgreSQL

Job description

Aviva is hiring a (Senior) Software Engineer to build and operate high-performance microservices and APIs in a cloud-native setup. You will work on secure access to enterprise data, containerised services with Spring Boot and Python, and real-time integrations with the ODS platform.

You will design APIs, develop event-driven integrations, and support CI/CD on AWS ECS, collaborating with Architects, Data Engineers and Product Teams in an Agile environment.