IT Techlead Developer Consultant

Mission Overview: The consultant will join Keystone Solutions as an IT Techlead Developer, working on-site at the client within a multidisciplinary Agile Scrum squad in the Invest environment. This consultancy mission involves developing and maintaining backend applications and integrations supporting investment-related customer journeys.

Responsibilities:
• Act as the squad’s hands-on Technical Lead and technical reference point.
• Set and communicate a coherent technical direction for the squad.
• Facilitate technical design and collective decisions across the development team.
• Ensure alignment with architecture, security and operational expectations.
• Establish consistent practices for clean code, peer review, automated testing, documentation, observability and production readiness.
• Identify dependencies, technical risks and technical debt early, and drive pragmatic follow-up.
• Support production incident analysis and convert lessons learned into improvements.
• Coach developers, encourage knowledge sharing and strengthen shared ownership.
• Contribute directly to complex implementation work while retaining squad-wide technical oversight.
• Maintain a forward-looking view of application maintainability, stability and technical evolution. Agile

Requirements:
• Work effectively in a multidisciplinary Agile Scrum squad.
• Support sprint delivery without losing sight of solution quality and longer-term needs.
• Collaborate closely with Product Owner, Scrum Master, analysts, testers, architects, operations and other delivery teams.
• Make technical topics, choices and risks visible to the squad.
• Promote shared ownership, knowledge transfer and continuous improvement.
• Challenge priorities or solutions constructively when quality, security, stability or maintainability is at risk. Required Experience / Knowledge:
• At least 6 years of relevant experience in senior hands-on software engineering within a complex enterprise environment.
• Deep backend expertise with proven technical leadership.
• Ability to guide experienced developers while contributing to the codebase. Technical Experience (Mandatory):
• Strong hands-on Java development experience, including Java 8.
• Strong experience with Spring 4 and Spring Boot.
• Experience with backend applications, REST APIs and integration patterns.
• Experience with Kafka and Flink.
• Experience with SQL and Java database access.
• Experience with Maven, Jenkins and Git.
• Experience with automated testing using JUnit, Cucumber/Gherkin and WireMock.
• Strong understanding of application architecture, middleware, infrastructure dependencies and operational constraints.
• Working knowledge of secure development practices, code quality and production support.
• Ability to guide technical design, code review, testing and release readiness across a team. Technical Experience (Preferable):
• Experience with Lombok, HttpEntity/ResponseEntity, Groovy scripting for Jenkins pipelines, IntelliJ and Octane.
• Experience integrating distributed, mainframe and infrastructure components.
• Experience improving observability, performance, resilience or production stability. Business Experience (Mandatory):
• Experience as a Technical Lead or technical reference in an Agile software delivery team.
• Experience coordinating technical decisions across developers and with architecture, security and operations.
• Experience managing dependencies and delivery risks in a complex application landscape.
• Experience improving engineering practices while delivery is under pressure.
• Experience in a controlled enterprise environment. Business Experience (Preferable):
• Experience in banking, financial services or another regulated environment.
• Knowledge of the Invest domain or investment-related digital solutions.
• Practical Scrum experience. Soft

Skills:
• Strong technical credibility and sound judgement.
• Clear communication with technical and non-technical stakeholders.
• Able to align and influence experienced developers without hierarchical authority.
• Pragmatic when balancing engineering quality, delivery constraints and business priorities.
• Constructive when challenging decisions and proactive in raising risks.
• Team-oriented, with a focus on shared ownership and knowledge transfer. Assignment Focus:
• Provide squad-wide technical direction rather than owning one isolated workstream.
• Keep architecture, security, maintainability, technical debt and production stability visible in delivery decisions.
• Combine hands-on contribution with continuous oversight of the complete solution.
• Help the squad become technically stronger and more autonomous. Language

Requirements:
• Sound working knowledge of English is required for daily collaboration, technical discussion and documentation.
• Dutch and French are a plus.

Education:
• Bachelor or master degree in IT, engineering, computer science or equivalent professional experience. Certification:
• Relevant technical, architecture, security or Agile certifications are an advantage. Travel:
• No regular travel expected. Telework:
• Expectation: 50% on site and 50% homeworking, according to the applicable team arrangements. Keystone Solutions Advantages:
• As a consultant, you will represent Keystone Solutions on-site, bringing our core values to every engagement.
• Experience dynamic projects and diverse challenges across various client environments.
• Benefit from turbo-charged learning and professional development opportunities.
• Skyrocket your ambition with clear career growth within Keystone Solutions’ framework.
• Being a “K-Stone” means delivering excellence, integrity, and innovation in every mission. If you are ready to tackle technical and strategic challenges in a dynamic consultancy environment, apply today at Keystone Solutions Career Portal.