Lead Software Engineer

Company Description
3S Software - Secured Smart Systems is a software development company based in Cairo, Egypt. Since 2006, we have been focusing on delivering efficient and professional custom solutions for the Government and Sports sectors. We also offer integrated digital transformation solutions and work with credible devices from our security division, 3S Security. As a growing company with strategic partnerships with Microsoft and Huawei, we are looking for talented individuals to join our team and grow with us.

Role Description
The Development Team Lead is a key figure within a software development team, guiding the technical direction of projects, ensuring coding standards are met, and mentoring junior team members. The developer Lead provides technical guidance to developers, translating architecture into implementation.

Key Duties

Planning and Requirements

• Collaborate with stakeholder to gather and translate requirements into actionable tasks, ensuring alignment with project goals.
• Write clear specifications, functional requirements, and user stories; create comprehensive technical documentation for codebases, APIs, and architectural decisions.

Design and Architecture

• Design microservices architectures using clean architecture principles, develop robust RESTful APIs, and implement event-driven patterns with tools like RabbitMQ.
• Apply design principles (SOLID) and patterns (CQRS, Dependency Injection) to ensure scalability, maintainability, and flexibility. Apply secure coding practices based on OWASP, integrate OAuth2 and IdentityServer4 for authentication, with options to connect to Active Directory or database stores.

Development

• Develop scalable REST APIs using .NET Core (C#, MVC, Web API, EF Core, LINQ) with OOP principles, dependency injection, async/await, and optimized data access.
• Experience with WebSocket, gRPC, and SignalR for real-time communication and efficient data exchange.
• Focus on creating flexible and scalable architectures to support business needs and future growth.
• Build responsive UIs with React and Angular, using TypeScript, JavaScript, and state management tools (Redux, NgRx). Ensure clean, maintainable code and alignment with long-term technical vision.
• Manage SQL Server and NoSQL databases (Elasticsearch, MongoDB), optimizing queries and ensuring efficient data access and performance.
• Use Docker for containerization and Kubernetes for orchestration, writing YAML configurations for deployments and ensuring scalable, maintainable architectures.

Management and Leadership

• Familiar with Agile methodologies (Scrum/Kanban) for sprint planning, backlog refinement, and task prioritization.
• Guide junior developers, conduct code reviews, and promote continuous learning.
• Work with QA, DevOps, UX/UI, and product teams to ensure cohesive workflows.
• Fluent in English, strong problem-solving, and adaptable to changing technologies and priorities.
• Basic knowledge of UX/UI principles to collaborate effectively with design teams.

Quality & Pipeline

• Perform unit and integration testing using frameworks like xUnit, NUnit, and Moq; implement performance testing for scalability and responsiveness.
• Set up modern CI/CD pipelines using tools like Jenkins, GitLab CI/CD, or Azure DevOps for automated integration and delivery.
• Manage containerized applications with Docker and Kubernetes, ensuring high availability and reliability.

Job Requirements

• Bachelor's degree in Computer Science, engineering, or a related discipline or the equivalent.
• Excellent knowledge of software development life cycle.
• Hands-on + 8 years of recent experience in developing complex projects, in C# and .Net technology, Angular or React.
• Teamwork and problem-solving skills, with the ability to interact and communicate successfully with business partners and development teams.
• Inspires the trust and respect of the team members and stimulates production within the workplace through effective leadership skills.
• Ability to apply business logic to development requirements in a creative manner.
• Creative thinker with a natural interest in finding solutions to new problems.
• Experience in , core, MVC, Entity Framework, REST APIs.
• Proficiency in a Linux environment and in consuming and designing RESTful APIs
• Hands-on web development HTML, CSS, JS, Bootstrap, JavaScript, JQuery, AJAX and developing the cross-browser compatible code
• Hands-on in Angular, React, ES6 ECMAScript and typescript
• Hands-on experience with distributed architecture, building RESTful services, XML/JSON, and modern application servers with High availability and scalability.
• Solid experience in relational and NoSQL database management systems such Microsoft SQL server. Oracle and Azure SQL Database as well as in Data warehouse, data lake and Analytics tools
• Advanced knowledge of web forms and C# (Generics, Reflection, Collections, Delegates and Events, Extension-methods, Threading, GC). OOP (Polymorphism, and N-tier architecture)
• A good knowledge in RDLC reporting, Microsoft reporting service and crystal reports.
• Knowledge of API design, including versioning, isolation and micro-services
• Experience with designing and implementing ETL processes and the use of ETL tools
• Hands-on data transformation and mapping, message and event queuing, sequencing, message queues, message brokers, service bus and event-driven architecture (Preferably: Rabbit MQ – BizTalk, SOA or TIBCO ActiveMatrix )
• General knowledge in distributed Architectures (REST, SOAP, Queue-based), and Microservices.
• Practical experience in containerize platform and container orchestration system such docker and kubernetes Practical experience in BI technologies such as OBIEE, Power BI, Tableau, Qlik sense.
• Practical experience in SQL performance tuning.
• Practical knowledge with Microsoft analysis and integration services
• Practical experience with web application security and cache technologies
• Strong knowledge source control and issues tracking systems such as TFS, DevOps, Git and JIRA Familiar with SaaS and PaaS integration architecture and applications.
• Familiarity with agile development methodologies.
• Nice to have experience about DevExpress, Telerik, third-party tools and Azure Cloud" service stack.