Tech Lead Solution Architect Senior

Mission Overview: We are seeking a Tech Lead Solution Architect Senior to join our team on a consultancy mission at a client site, representing Keystone Solutions. The ideal candidate will have a minimum of 15+ years of experience in Java development and ecosystem, with proven leadership skills and a strong interest in both operational and business aspects as well as technology.

Key Responsibilities

- Provide technical leadership for the transversal architecture team.
- Coach and mentor development teams to enhance their skills.
- Define and evolve reference architectures over time.
- Establish SLI/SLO/SLA metrics and strategies for monitoring.
- Oversee strategic projects.
- Support the business in specifying its needs.
- Define and implement technological evolutions and technical debt management strategies.
- Ensure compliance with security regulations and information management.
- Align with operational lines.
- Collaborate with infrastructure teams and external partners.
- Gather requirements and evaluate products in procurement processes.
- Provide internal training modules. Technical Skills Required:
- Java, TypeScript, Angular, DDD, CI/CD, Docker/Kubernetes, Spring (Boot), RabbitMQ, OAuth2/OIDC, OpenAPI/AsyncAPI, OpenTelemetry, Maven/Gradle, TDD, Cypress, Hibernate, C4/Archimate modeling. Knowledge of social security specifics, particularly the responsibilities of the ONEM, is a significant advantage. A successful experience of at least 1 year in an institution related to social security is highly desired. Human

Skills:

- Agile methodologies, individual and team coaching, needs analysis, out-of-the-box thinking, leadership. The candidate must hold a bachelor's degree in computer science and have completed a Scrum Master training and/or ICT project management training. In addition to their experience as a Solution Architect, the candidate must demonstrate successful experiences as a Team Lead (10+ years). They should also show recent successful experience in implementing a migration architecture from a backend system to a modern technology stack (Spring) and managing the complete project lifecycle. In addition to their CV, candidates must respond to the following exercise (failure to do so will result in elimination): //Give the correct output of this code public class Main { public static void main (string [] args){ String s1,s2,s3; HelloHello s1 = "Hello"; s2 = "Hell"; s2 = s1. + s2 + "o"; s2 = s2.substring(5,9); s3 = s2; // TEST 1 if(s1 == s2) { system.out.println("TEST 1 : TRUE"); } else{ system.out.println("TEST 1 : FALSE"); } // TEST 2 if(s3.equals(new String(s1))) { system.out.println("TEST 2 : TRUE"); } else{ system.out.println("TEST 2 : FALSE"); } // TEST 3 if(s2 == s3) { system.out.println("TEST 3 : TRUE"); } else{ system.out.println("TEST 3 : FALSE"); } // TEST 4 if(s1.equals(s2)) { system.out.println("TEST 4 : TRUE"); } else{ system.out.println("TEST 4 : FALSE"); } } } If you are ready to tackle technical and strategic challenges in a dynamic consultancy environment, apply today at Keystone Solutions Career Portal. Duration: 23/11/2026
- 31/12/2027 14 months
- (full time) Skills required:
- Agile
- Level: Expert
- Most recent: Any time
- Angluar
- Level: Expert
- Most recent: Any time
- C4/Archimate modeling
- Level: Expert
- Most recent: Any time
- CI/CD pipelines
- Level: Expert
- Most recent: Any time
- Coaching
- Level: Expert
- Most recent: Any time
- Cypress
- Level: Expert
- Most recent: Any time
- DDD
- Level: Expert
- Most recent: Any time
- Docker / Kubernetes
- Level: Expert
- Most recent: Any time
- Hibernate
- Level: Expert
- Most recent: Any time
- Java
- Level: Expert
- Most recent: Any time
- leadership & Team Management
- Level: Expert
- Most recent: Any time
- Maven/Gradle
- Level: Expert
- Most recent: Any time
- OAauth2/OIDC
- Level: Expert
- Most recent: Any time
- OpenAPI/AsyncAPI
- Level: Expert
- Most recent: Any time
- OpenTelemetry
- Level: Expert
- Most recent: Any time
- RabbitMQ
- Level: Expert
- Most recent: Any time
- Spring (Boot)
- Level: Expert
- Most recent: Any time
- TDD
- Level: Expert
- Most recent: Any time
- TypeScript
- Level: Expert
- Most recent: Any time Language

requirements:
English Level Active knowledge French Level Active knowledge