Senior Backend Engineer

Mondia Group

Senior Backend Engineer developing production-grade Java microservices at a tech company. Collaborating across teams and optimizing performance in a hybrid work setup.

Posted 7/8/2026full-timeNew Cairo City • 🇪🇬 EgyptSeniorWebsite

Tech Stack

Tools & technologies

ApacheAWSCloudDistributed SystemsJavaJavaScriptKafkaMicroservicesNode.jsPythonSpringSpring BootSpringBootSQL

About the role

Key responsibilities & impact

Designs, builds, and operates production-grade Java microservices on Spring Boot
Owns the full delivery lifecycle: API design, data modelling, messaging, observability, CI/CD, and on-call support
Collaborates closely with Product, QA, and SRE teams to deliver reliable, scalable services
Provides architectural guidance, makes key technical decisions, and mentors other developers
Ensures best practices, optimizes performance, and aligns technical solutions with business goals while building secure, high-performing distributed systems
Own end-to-end API design including versioning, idempotency, error contracts, and OpenAPI specifications
Architect microservices following bounded contexts, saga patterns, and proper service decomposition
Enforce security best practices including OAuth2, JWT, secure coding, and vulnerability remediation
Integrate and manage event-driven systems using Apache Kafka
Optimize application performance through JVM tuning, caching strategies, profiling, and latency reduction
Optimize database/SQL performance through indexing strategies, query tuning, and EXPLAIN plan analysis
Manage and optimize scalable distributed systems in the cloud (AWS)
Design and implement serverless solutions (AWS Lambda, API Gateway, Step Functions)
Utilize scripting languages (Python, Node.js) for tooling, automation, and auxiliary services
Participate in on-call rotations and production incident resolution
Conduct code reviews and mentor less-experienced engineers
Communicate regularly with the engineering manager, QA teams, and other developers regarding progress on the technology roadmap
Leverage AI-assisted development tools to accelerate coding, debugging, testing, and documentation workflows
Drive automation using AI across the software lifecycle — design, development, testing, support, log analysis, and ticket summarization
Produce quality code, raising the bar for team performance and speed
Write code and tests, build prototypes, resolve issues, and profile and analyze bottlenecks

Requirements

What you’ll need

Advanced proficiency in Java 17+ with modern features (records, sealed types, streams, var)
Expert-level Spring Boot knowledge (auto-configuration, profiles, configuration properties)
Advanced REST API design skills (versioning, idempotency, error contracts, HATEOAS)
Strong microservices architecture experience (bounded contexts, sagas, decomposition)
Advanced security expertise (OAuth2, JWT, OWASP, secure coding, vulnerability management)
Solid understanding of concurrency and threading (Executors, CompletableFuture, locking)
Experience with event-driven architectures using Apache Kafka
Performance optimization skills (JVM tuning, caching, profiling, latency reduction)
Experience with AI security and governance (data privacy, prompt injection awareness, safe AI usage)
Growth mindset that challenges the status quo and focuses on continuous improvement
BS in Engineering or Computer Science
At least 5+ years of professional experience building backend services in Java
Proven track record designing and operating production microservices at scale
Experience with distributed systems, eventual consistency, and fault tolerance
Experience with Agile/Scrum practices (sprint planning, estimation, retrospectives)
AWS or cloud platform certification (preferred, not mandatory)

Benefits

Comp & perks

Social insurance
Health insurance for employee and family
The company will contribute up to EUR 25 per month towards staff perks
Benefit from our **performance-based bonus scheme**, in line with company policy.
EUR equivalent salaries paid in EGP

ATS Keywords

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Hard Skills & Tools

JavaSpring BootREST API DesignMicroservices ArchitectureOAuth2JWTApache KafkaJVM TuningPerformance OptimizationConcurrency and Threading

Soft Skills

Growth MindsetCollaborationMentoring

Certifications

AWS or Cloud Platform Certification