Lead Full-Stack Engineer: Angular + Java/Spring Boot

Citi; Województwo mazowieckie; On-site; PLN 242,000 - 412,000; Full time

Benefits offered by this job

Defined Contribution Pension Plan 6%

Private Medical Care

Life Insurance

Employee Assistance Program

Parental Leave

Sport Card

Flex benefits

Annual incentive

Job summary

Citi in Poland is seeking an experienced Lead Software Engineer to drive the design, development and modernization of enterprise-scale applications using Angular, Java and Spring Boot. You will provide technical leadership, mentor engineers and collaborate with management, architects and external resources to deliver high-quality software.

You will develop scalable REST APIs and microservices, establish frontend architecture standards, support AI-enabled features and ensure robust CI/CD, testing

Qualifications

• Bachelor’s degree/University degree or equivalent experience
• Master’s degree preferred
• 6-10 years of relevant experience in an Engineering role
• Experience in Financial Services or a large complex and/or global environment
• Project Management experience
• Clear and concise written and verbal communication
• Ability to work in a matrix environment and partner with virtual teams

Responsibilities

• Lead the technical design and development of enterprise applications using Angular, Java and Spring Boot.
• Remain hands-on in coding, particularly for complex features, foundational components and critical integrations.
• Provide day-to-day technical guidance to engineers and contractors, including code reviews, troubleshooting and implementation support.
• Design and develop scalable REST APIs, microservices and seamless frontend-backend integrations.
• Establish engineering standards for frontend architecture, reusable components, application performance and maintainability.
• Collaborate with data and platform engineers to integrate data services, asynchronous processing and event-driven capabilities.
• Contribute to AI-enabled application features, intelligent workflow automation and integration with LLM-based services.
• Translate business and technical requirements into practical designs, development tasks and deliverable solutions.
• Champion automated testing, CI/CD, code quality, secure development and operational reliability.
• Identify technical risks, resolve engineering challenges and support delivery commitments.
• Mentor engineers, promote knowledge sharing and ensure sustainable internal ownership of developed solutions.

Skills

Project management

Angular

Java/Spring Boot

Education

Bachelor's degree

Master's degree

Tools

Angular

Java

Spring Boot

Job description

Citi in Poland is seeking an experienced Lead Software Engineer to drive the design, development and modernization of enterprise-scale applications using Angular, Java and Spring Boot. You will provide technical leadership, mentor engineers and collaborate with management, architects and external resources to deliver high-quality software.

You will develop scalable REST APIs and microservices, establish frontend architecture standards, support AI-enabled features and ensure robust CI/CD, testing