Senior Developer Technical Lead

Our client, a leading Insurer across Belgium, urgently needs a Technical Software Developer on a Freelance basis: 2 days a week from Brussels, 3 days remote.

• Design and oversee the technical architecture of Java applications
• Develop robust and scalable backend solutions (hands-on)
• Lead technical decision-making and ensure high code quality
• Perform code reviews and resolve complex technical challenges
• Coach and mentor Java developers within the team
• Collaborate with Product Owners and stakeholders to translate requirements into technical solutions
• Contribute to the continuous improvement of processes, tools, and technologies

Contribute to and validate the functional analysis and specification of requests for IT developments :

• Realize IT projects according to approved functional specifications and within the approved budget and planning.
• Conduct code reviews and follow up release management.
• Develop new programs or adapt existing programs in respect of the existing standards.
• Test new developments before submitting them to the key user for user testing
• Document his/her realisations.

Maintain and improve existing IT applications :

• Handle all incoming requests related to the applications you're responsible for (Tickets).
• Correct bugs in the applications you're responsible for.
• Analyze root causes of frequent problems and propose fundamental solutions.
• Realize approved improvements. Maintain user and technical documentation

Support business users in the usage of the existing IT applications :

• Define the required availability levels and response times with the business owners.
• Elaborate support procedures, with escalation to external parties where appropriate.
• Measure and report the achieved availability levels and response times.
• Assist users in the improved usage of the existing applications.

Requirements :

• Java Developer Java 7/Java 8/Java 11/Java 17 Spring Microsoft
• SQL Server Application Server: Glassfish 3.1, Wildfly
• ActiveMQ / OpenMQ
• Montova ESB
• SOAP / RMI / (REST)
• UI Web development ReactJS, Redux, ES6
• Backend :C# / JSON / XML
• Linux / Unix basics (optional, but a plus)
• RESTful Web Services: Creating and consuming REST APIs
• Concurrency and Multithreading: Managing multiple threads and processes

• Java-Frameworks: JEE (EJB, JAXB, … ) ehCache

Release Management / Software delivery:

• Maven
• Jenkins Git
• Bitbucket
• Jira BuildMaster
• Octopus
• Kubernetes (optional, but a plus)
• Containerization (optional, but a plus)

Tools

• SoapUI, IDE: Eclipse/IntelliJ SSMS Docker / Docker Compose (optional, but a plus) ReadyAPI Additional skills
• Cloud Platforms: AWS, Azure, Google Cloud Platform (GCP)
• Security: Understanding of security protocols and best practices

Security Requirements - Secure Coding Practices:

• Proficiency in writing clean, secure, and maintainable code to protect against common vulnerabilities such as SQL Injection, Cross-Site Scripting (XSS), Cross-Site Request Forgery (CSRF), and others as outlined in the OWASP Top Ten.

• Authentication and Authorization: Experience implementing secure authentication mechanisms (e.g., OAuth, JWT, SAML) and managing user roles and permissions effectively.

• Data Protection: Knowledge of data encryption methods both at rest and in transit, and experience using libraries or frameworks to implement encryption (e.g., JCA, Bouncy Castle).

• API Security: Strong understanding of securing RESTful APIs and SOAP services, including rate limiting, input validation, and implementing API gateways.

• Dependency Management: Experience with managing third-party libraries and dependencies securely, including staying updated with security patches and vulnerability assessments.

• Security Tools and Frameworks: Proficiency with security tools and frameworks such as Spring Security, and familiarity with static and dynamic analysis tools (e.g., SonarQube, OWASP ZAP). Compliance and Standards: Understanding of industry standards and regulations (e.g., GDPR, PCI-DSS) and how to implement these requirements in software development.