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(Senior) Software Engineer (Java)

Poland - Warsaw - ASEC💼 Full-time🗓 2026-07-29 → 2026-09-26

Core

Building and supporting high-performance microservices and APIs for secure access to enterprise operational data within a cloud-native architecture.

Role type

Senior Software Engineer (Java)

Builds

Containerized services, RESTful APIs, and event-driven integration patterns for the ODS platform.

Domain

Financial Services / Insurance / Cloud-Native Architecture

Deliverable

production ML models | product features

Required skills

Java, Spring Boot, RESTful API design, Microservices architecture, Event-driven architecture, Kafka, AWS (ECS, S3, Aurora/PostgreSQL), Containerization, CI/CD pipelines, API security, OpenAPI/Swagger

Preferred skills

Kong API Gateway, AWS API Gateway, Python development, CDC and event sourcing patterns, Insurance domain knowledge, Enterprise canonical data models

Technologies

Spring Boot, Python, Kafka, MSK, AWS ECS, AWS S3, AWS Aurora, AWS PostgreSQL, OpenAPI, Swagger, Kong

Responsibilities

Designing, developing, and maintaining RESTful APIs and microservices; Building containerized applications; Developing secure, scalable, and resilient API solutions; Building event-driven services and integrations; Creating reusable frameworks and integration patterns; Integrating with upstream and downstream systems; Supporting API lifecycle management; Deploying and operating services on AWS ECS; Implementing monitoring, logging, and observability.

Seniority

Senior, hands-on IC

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