Mission Overview:
This opportunity is a consultancy mission delivered by Keystone Solutions for our client. The mission supports a major modernization program that transforms a legacy monolithic application into a modern microservices architecture running on Kubernetes. The program adopts an API-first and event-driven approach and progressively replaces the legacy platform. Beyond a technical upgrade, it is also a business transformation program: it enables the development of new features, improves agility, and accelerates the delivery of value to internal and external end users. By building a more flexible and scalable digital platform, the program supports better services, an enhanced user experience, and faster adaptation to constantly evolving business and regulatory needs.
Consultancy Model at Keystone Solutions:
As a Keystone Solutions consultant, you will work on site at the client (and in hybrid modes where applicable), embedded with their teams to deliver outcomes while benefiting from Keystone's community, frameworks, and coaching. You will represent Keystone Solutions' standards of excellence, contribute to knowledge sharing, and bring proven consulting practices to help the client achieve measurable results.
Role and Context:
Role: Expert Application Developer (Most recent experience: any time). As the Expert Application Developer, you will carry out all responsibilities below under Keystone Solutions' consultancy model, working closely with the client's stakeholders and teams.
Key Responsibilities:
Required Skills and Experience:
Languages:
Work Location:
Why Keystone Solutions (Consultancy Advantages):
Our Values, Brought to Every Client Project:
Being a K‑Stone means living our values on every engagement: excellence in delivery, integrity in our commitments, curiosity in problem-solving, and teamwork that amplifies client impact. You will bring these values to the client's modernization program while upholding Keystone Solutions' consulting standards.
Role-Specific Consulting Impact:
As an Expert Application Developer, you will apply your expertise in APIs, microservices on Kubernetes, DevOps, CI/CD, observability (ELK), data and integration (DB2, SQL, ETL), and modern engineering tooling (GIT, IntelliJ, Visual Studio Code) across multiple client scenarios. You will translate complex requirements into robust solutions, guide best practices in Agile Scrum environments, and coach peers to raise engineering quality throughout the client's platform.
How to Apply:
If you are ready to tackle technical and strategic challenges in a dynamic consultancy environment, apply today at Keystone Solutions Career Portal

At Keystone Solutions, we specialize in bridging technology and talent to deliver a seamless IT experience.
With a focus on efficiency and innovation, we streamline your IT services, ensuring that you can focus on what you do best while we handle the complexities of your IT ecosystem. From strategic planning through to execution, we are your partners in creating a harmonious technological environment that propels your business forward.
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