Senior Java Software Engineer

About Us – Cressoft

Cressoft has been a trusted IT consultancy firm in the UK since 2011, delivering impactful projects and providing top-tier tech talent to our clients. We’re proud to announce our ongoing collaboration with one of the UK’s most prominent retail and e-commerce companies. Cressoft is the exclusive offshore talent supplier, offering engineers a unique opportunity to work on critical transformation programmes within high-scale digital platforms.

About the Role:

Job Title: Senior Java Engineer

Location: Remote (Candidates must be based in Turkey)

Contract Duration: 6 months with high possibility of extension

Working Hours: Monday to Friday, 9 AM – 5:30 PM UK time

Role Overview

We are hiring Senior Java Engineers with 7+ years of software engineer experience to support a major integration and platform transformation programme for one of our UK clients, a leading retail and e-commerce brand serving millions of users every day. This client employs over 160,000 people and operates a robust IT department with over 3,000 engineers.

As part of this engagement, you will help rebuild core transactional journeys such as Checkout, Payments, Basket, and Post-Order across a high-traffic platform used by over 70% of the UK population. The work focuses on large-scale re-architecture using modern tools and best practices in Java engineering.

Key Responsibilities

• Collaborate with cross-functional teams to deliver reliable, scalable backend services
• Support re-architecture efforts involving payment and order processing systems
• Build microservices and APIs aligned with modern architectural principles
• Implement event-driven patterns and reactive programming when suitable
• Participate in Agile delivery processes including BDD and TDD

Required Skills & Experience

✅ Strong experience in Java 8+ and Spring Boot

✅ Solid experience with Kafka Streams or Spring Cloud Stream

✅ Proficiency with Kafka and Microservices architecture

✅ Experience in REST APIs, Git, and Agile methodologies

✅ Familiarity with BDD frameworks such as Cucumber

✅ Hands-on experience with API-level testing

Nice to Have (Desirable)

• Knowledge of Reactive or Functional Programming
• Exposure to NoSQL databases (e.g., DynamoDB, MongoDB)
• Experience with Spring WebFlux

Soft Skills

• Excellent English communication skills (written and spoken)
• Ability to collaborate effectively in distributed, international teams
• Strong problem-solving mindset and adaptability in evolving environments