Senior Java Engineer Job at HSBC (Krakow)

Senior Java Engineer

HSBC

Location:
Poland , Krakow

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Not provided

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Job offer has expired

Job Description:

We are seeking a talented and experienced Senior Engineer to join our dynamic team. In this role, you will be responsible for designing; developing; and maintaining robust and scalable APIs that power our innovative applications. The ideal candidate will have a strong background in API architecture; RESTful services; and microservices; along with proficiency in programming languages such as Java; Python; or Node.js. You will collaborate closely with cross-functional teams to ensure seamless integration and optimal performance of our systems.

Job Responsibility:

Create and implement RESTful APIs using Spring Boot
ensuring they are scalable
secure
and efficient
Deploy and manage API services on AWS
utilizing various AWS services such as Lambda
API Gateway
and DynamoDB
Work with MongoDB to design and optimize data models
ensuring efficient data retrieval and storage for API services
Work closely with product managers
front-end developers
and QA engineers to gather requirements and deliver high-quality API solutions
Conduct code reviews and provide constructive feedback to ensure adherence to coding standards and best practices
Monitor and analyze API performance
implementing optimizations to improve response times and reduce latency
Create and maintain comprehensive API documentation
including usage guidelines and technical specifications for internal and external stakeholders
Develop and execute unit and integration tests to ensure the reliability and functionality of APIs before deployment
Identify and resolve issues related to API functionality
performance
and security
providing support to internal teams and external clients
Provide technical guidance and mentorship to junior and mid-level developers
fostering a culture of continuous learning and improvement within the team
Lead the architectural design of API solutions
ensuring alignment with overall system architecture and business goals while considering scalability
security
and performance

Requirements:

Solid senior experience in Spring Boot
Mongo
RESTful API
SOAP
RAML
Core Java
Cloud HUB
Jenkins
Java Script
Hands on Delivery experience across technologies
Knowledge on Mongo processing and AWS technology and knowledge of Production Support processes and procedures
Must have hands on experience into end-to-end impact analysis
creating high- and low-level design
Good knowledge on SDLC
Agile and DevOps operating model
Ability to forge strong relationships and build a wide network throughout the firm
Proficiency in database systems (e.g. Oracle
MongoDB) as well as cloud database services
Familiarity with project management methodologies (e.g., Agile
Scrum) and tools
with experience in managing project timelines
deliverables
and stakeholder expectations

What we offer:

Competitive salary
Annual performance-based bonus
Additional bonuses for recognition awards
Multisport card
Private medical care
Life insurance
One-time reimbursement of home office set-up (up to 800 PLN)
Corporate parties & events
CSR initiatives
Nursery discounts
Financial support with trainings and education
Social fund
Flexible working hours
Free parking
Intellectual property benefit

Additional Information:

Job Posted:
October 25, 2025

Expiration:
January 24, 2026

Employment Type:

Fulltime

Work Type:

Hybrid work

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