Senior Backend Engineer - Java

Job Overview:
InVitro Capital is seeking a highly skilled and strategic Senior Backend Engineer with expertise in Java, Spring Boot, Spring AI, Cloud Solutions, AI, and Backend Solution Design.
As a Senior Backend Engineer, you’ll design and build scalable, high-performance backend systems to power our applications. You’ll work with modern technologies and collaborate with cross-functional teams to deliver robust solutions. You’ll guide your team of engineers, ensuring the successful delivery of complex projects while shaping the technical direction of our innovative ventures. This is an exceptional opportunity to make a significant impact and contribute to the growth of our diverse portfolio.
Work setup: Monday to Friday, Pacific Time Zone. This is a hybrid position; team members are expected to work from our Cairo office at least once a week for in-person collaboration.

Key Responsibilities:

• Spring Boot & Spring AI: Architect, develop, and optimize complex backend services using Spring Boot and Spring AI frameworks, ensuring scalability, maintainability, and seamless integration with other systems.
• Containerization: Design and oversee containerized application architectures with Docker and Kubernetes, implementing best practices for reliability, observability, and automated scaling in production environments.
• Cloud Deployment: Lead deployment strategies, manage large-scale workloads, and optimize AWS services (EC2, S3, RDS, Lambda) with a focus on cost efficiency, high availability, and security compliance.
• Data Storage: Define and implement robust data storage solutions, optimizing relational (PostgreSQL, MySQL) and NoSQL (MongoDB, DynamoDB) databases for complex, high-throughput systems.
• Scalability & Security: Establish system-wide standards for performance, scalability, and security; proactively identify bottlenecks and vulnerabilities, and drive preventive solutions.

Requirements:
Minimum Qualifications:

• 7+ years of professional backend development experience.
• Advanced expertise in Spring Boot and Java-based frameworks.
• Hands-on experience with Python for tooling, integrations, and backend workflows.
• Deep understanding of containerization (Docker, Kubernetes) and microservices at scale.
• Proven success designing, deploying, and managing large-scale systems on AWS (EC2, S3, RDS, Lambda).
• Expertise in designing and optimizing relational and NoSQL databases for scalability and performance.
• Solid experience with CI/CD pipelines, RESTful APIs, and distributed system design.
• Excellent problem-solving, debugging, and architectural skills, with the ability to drive initiatives in complex environments.

Preferred Qualifications:

• Experience integrating Spring AI and CrewAI in production-grade applications.
• Strong background in DevOps practices, infrastructure-as-code (Terraform/CloudFormation), and advanced AWS services.
• Practical experience with event-driven architectures and message-queue systems (Kafka, RabbitMQ, AWS SNS/SQS/EventBridge).
• Recognized contributions to open-source projects or a strong GitHub portfolio.
• Familiarity with observability practices and tools (Prometheus, Grafana, ELK/EFK stacks).

Benefits:
Why Join Invitro Capital?

• Work on cutting-edge AI and B2B technologies: We are at the forefront of AI and B2B innovation. Our employees have the opportunity to work on the latest and greatest technologies, and to make a real impact on the SME market.
• Help build and grow successful startups: We are committed to helping our portfolio companies succeed. Our employees play a vital role in building and growing these companies. This is not a 9 to 5 job. This is a startup environment with a give-it-all mentality.
• Work with some of the best minds in the industry: You will be part of a team of seasoned entrepreneurs and product leaders who are on a mission to make a difference in the SME space. You will have the chance to work with some of the best minds in the industry.
• Supportive and collaborative work environment: We believe in creating a supportive and collaborative work environment where our employees can thrive.
• Competitive compensation: We offer a competitive compensation package, with salaries ranging from $2,500 to $ 3,000 monthly.