Senior Full-Stack Engineer (Java/.NET and React)

Job Overview:
InVitro Capital is seeking a Senior Full-Stack Engineer with deep expertise in Java/.Net, front-end technologies, cloud-native architectures, and AI/ML integrations. As a Senior Full-Stack Engineer, you’ll design and build scalable, high-performance platforms that seamlessly unite robust Java back-end services with front-ends. You’ll integrate advanced machine-learning models, optimize system performance, and collaborate with cross-functional teams to drive the future of our technology. 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:

• Design and implement reliable, secure full-stack solutions using Spring Boot (Java) or .Net and React.
• Create RESTful APIs and modular microservices (Spring Cloud, Spring WebFlux) that enable seamless integrations and extensibility.
• Partner with data scientists to embed ML models (TensorFlow, Deeplearning4j) into production workflows, ensuring real-world performance and maintainability.
• Tune relational (PostgreSQL) and NoSQL (MongoDB) databases and application stacks for high availability, performance, and scalability.
• Engage with product managers, designers, and fellow engineers to deliver cohesive, user-centric experiences.
• Write clean, efficient, and testable code; enforce industry best practices and rigorous code review standards.
• Stay abreast of emerging technologies and methodologies; pilot new tools and frameworks to continuously elevate our stack.

Requirements:
Minimum Qualifications.:

• 10+ years of professional software development experience
• Expert-level proficiency with Spring Boot and Java-based frameworks
• Advanced proficiency in JavaScript, with expertise in React, TypeScript, or Angular.
• Strong command of system design, API development, relational and NoSQL databases, and performance tuning
• Proven track record designing and deploying scalable microservices and distributed architectures
• Hands-on experience with AWS, GCP, or Azure, including CI/CD implementation
• Deep understanding of automation, scripting, and AI-enhanced system design

Preferred Qualifications:

• Practical experience using Python in backend services
• Familiarity with containerization (Docker, Kubernetes), CI/CD tooling, and cloud services (AWS, GCP, or Azure)

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 $3,000–$3,500 per month.