Senior Backend Architect: Distributed Systems & Data

Citigroup Inc.; Województwo mazowieckie; Hybrid; PLN 242,000 - 412,000; Full time

Benefits offered by this job

Pension plan

Private medical care

Life insurance

Parental leave

Sport card

Holidays allowance

Flex benefits

Annual incentive program

Job summary

Citi Solutions Center Poland is seeking an experienced Lead Software Engineer to drive backend services, data processing, and distributed systems. You will lead engineering teams, contribute code, and collaborate with front-end teams to deliver AI-enabled data-intensive solutions.

The role combines hands-on coding with technical leadership, focusing on scalable microservices, event-driven architectures, and robust testing and CI/CD practices.

Qualifications

• Bachelor’s or higher in a technical field or equivalent experience.
• Proven hands-on experience with Java/Spring Boot and backend systems.
• Experience leading or mentoring engineering teams is a plus.

Responsibilities

• Lead the design and development of scalable backend services and data integrations.
• Stay hands-on and implement complex backend components and data processing logic.
• Provide day-to-day technical guidance to engineers and contractors.

Skills

Java & Spring Boot

REST APIs

Microservices

Kafka

SQL & Data Modelling

Angular & TypeScript

CI/CD

Distributed Systems

Education

Bachelor’s degree

Master’s degree

Tools

Kubernetes

OpenShift

CI/CD tooling

Job description

Citi Solutions Center Poland is seeking an experienced Lead Software Engineer to drive backend services, data processing, and distributed systems. You will lead engineering teams, contribute code, and collaborate with front-end teams to deliver AI-enabled data-intensive solutions.

The role combines hands-on coding with technical leadership, focusing on scalable microservices, event-driven architectures, and robust testing and CI/CD practices.