Senior Java Software Engineer

Fairfield Consultancy Services Limited; Województwo mazowieckie; Hybrid; PLN 180,000 - 260,000; Full time

Job summary

Fairfield Consultancy Services Limited in Warsaw is seeking a Core Java Developer with 5+ years of experience to design and develop scalable microservices-based applications. The role requires strong skills in Core Java, Flink, Kotlin, Kafka, Kubernetes, AWS, gRPC, and investment banking domain understanding.

The position is permanent on a hybrid model (3 days in office) in Warsaw, with collaboration across cross-functional teams to deliver robust backend services.

Qualifications

• 5+ years of hands-on experience with Java frameworks and enterprise applications.
• Experience designing and building scalable microservices architectures.
• Strong knowledge of Spring/SpringMVC and backend service patterns.

Responsibilities

• Develop and maintain enterprise-level applications using Java and related frameworks.
• Design microservices architecture for modularity and scalability.
• Utilize Spring and SpringMVC to build robust backend services.
• Collaborate with cross-functional teams to define design and ship new features.
• Ensure high performance and responsiveness of applications.
• Participate in code reviews and drive process improvements in development.
• Troubleshoot, debug, and optimize existing applications for reliability.

Skills

Core Java

Flink

Kotlin

Multi-threading

Algorithms & Data Structures

Kafka

Kubernetes

Amazon AWS

gRPC

Investment Banking

Job description

We are seeking a highly skilled Core Java Developer for our client in Warsaw (Hybrid)

Location- Warsaw, (Hybrid 3days a week to office)

Hiring- Permanent/B2B

Job Summary

Seeking a Specialist with 5+years of experience in Java Frameworks to design and develop scalable microservices based applications

Skills : Core Java, Flink, Kotlin, Multi-threading, Algorithms & Data Structures, Kafka, Kubernetes, Amazon AWS, gRPC, Investment Banking (ideally Risk)

Job Description

• Develop and maintain enterpriselevel applications using Java and related frameworks
• Design microservices architecture to ensure modularity and scalability
• Utilize Spring and SpringMVC frameworks for building robust backend services
• Collaborate with crossfunctional teams to define design and ship new features
• Ensure high performance and responsiveness of applications
• Participate in code reviews and contribute to continuous improvement of development processes
• Troubleshoot debug and optimize existing applications to enhance performance and reliability

Roles and Responsibilities

• Lead the development and implementation of microservices using Java and Spring frameworks
• Architect solutions that are scalable maintainable and secure
• Mentor junior developers and provide technical guidance within the team
• Collaborate with product owners and stakeholders to gather requirements and translate them into technical specifications
• Ensure adherence to best practices in coding testing and deployment
• Conduct performance tuning and optimization of applications
• Stay updated with emerging technologies and integrate them when appropriate to improve application efficiency

Skills : Core Java, Flink, Kotlin, Multi-threading, Algorithms & Data Structures, Kafka, Kubernetes, Amazon AWS, gRPC, Investment Banking (ideally Risk)