Senior Specialist, IT Development

Every year, we help hundreds of thousands of people find rewarding jobs in the ever-changing world of work.

We understand the importance of a job in peoples lifes and we want to help them find work that feels good. And we’ll help them continue to grow as their needs and ambitions change.

At Randstad, our value comes from our people and that is why we put them first. We are proud of our learning culture and career architecture framework that encourages ours team to develop both personally and professionally.

We believe that talent grows when presented with opportunity and this is why we encourage our people to think beyond their role. We have created a culture that enables talent to flourish, encouraging entrepreneurship, fostering team spirit, and continually building mutual trust.

About the Role

We are looking for a skilled Senior Specialist with 3–5 years of experience to join our core engineering team. In this role, you will design, build, and maintain high-performance, scalable backend services and microservices deployed natively on AWS. You will work closely with cross-functional teams to drive architectural decisions, optimize system performance, and deliver robust software solutions that power our core products.

Key Responsibilities

Design & Architecture: Design, develop, and maintain clean, scalable, and secure microservices using Java and modern frameworks.

Cloud Infrastructure: Leverage AWS native services to build resilient, cloud-native backend applications and serverless components.

Code Excellence: Drive technical quality through code reviews, automated testing (unit/integration), and adhering to best practices in CI/CD.

Performance & Scalability: Identify performance bottlenecks, optimize database queries, and ensure low-latency system reliability under heavy load.

Technical Leadership: Mentor junior engineers, participate in agile sprint ceremonies, and contribute to system architecture discussions.

Required Qualifications

Experience: 3 to 5 years of professional software engineering experience delivering production-grade backend applications.

Java Expertise: Deep understanding of Core Java , Object-Oriented Programming principles, design patterns, and multithreading.

Frameworks: Hands-on experience with Spring Boot, Spring Data, or similar Java frameworks.

APIs & Database: Demonstrated experience building RESTful APIs and working with both relational databases (e.g., PostgreSQL, MySQL) and NoSQL solutions.

Problem Solving: Strong analytical skills and experience troubleshooting distributed systems.

Nice-to-Have Skills

Exposure to integrating Large Language Models (LLMs) into applications via APIs, including prompt design, agentic workflows, or Model Context Protocol (MCP) based integrations.

Understanding of security best practices in AWS (IAM policies, KMS, secret management).

Is this the job for you? We would love to hear from you! Please apply directly to the role and we will get in touch with you.