Senior Software Engineer (Java)
Skills
About This Role
About Us
- Core42, a leader in AI-powered cloud and digital infrastructure, is driving transformative technology solutions globally.
- Leveraging advanced resources and partnerships, Core42 empowers clients to harness sovereign AI infrastructure, especially in sectors with stringent regulatory needs.
- With a mission to redefine digital transformation, we combine sovereign capabilities with scalable, high-performance compute infrastructure, positioning itself at the forefront of AI innovation in the Middle East and beyond.
- The opportunity
- We are looking for a highly skilled Senior Java Developer with deep expertise in Java, Spring Frameworks, and cloud-native distributed systems.
- The ideal candidate will design and build high-scale backend platforms, microservices, and APIs like those used in cloud hyperscalers.
- You will work on high-performance, multi-threaded, resilient systems, collaborate across teams, and provide technical leadership to drive engineering excellence.
- Your key responsibilities
- IaaS Microservices Development: Design and develop scalable backend services for core IaaS domains, including Compute (Nova), Networking (Neutron), and Storage (Cinder).
- OpenStack API Integration: Implement robust, type-safe integrations with OpenStack services using Spring Cloud OpenFeign and REST/HTTPS clients.
- Performance Optimization: Take explicit ownership of backend performance, analyzing and optimizing latency, memory usage, and thread management in high-throughput systems.
- Security Best Practices: Implement and enforce security standards, including secure coding, data encryption, and robust identity management via Spring Security and Keystone.
- CI/CD & DevOps: Actively participate in the development and maintenance of CI/CD pipelines to support automated testing, containerization, and Kubernetes deployments.
- Backend Architecture: Build distributed systems using Java 17+ and Spring Boot 3.x, ensuring high availability and resilience for infrastructure management planes.
- API Design & Documentation: Design and maintain RESTful APIs with a focus on clean OpenAPI/Swagger documentation, efficient pagination, and standard HTTP status codes.
- Data Modeling: Design efficient schemas in PostgreSQL and implement high-performance queries using Spring Data JPA/Hibernate.
- Testing & Quality Assurance: Lead the development of comprehensive test suites using JUnit 5, Mockito, and Testcontainers to simulate real-world infrastructure scenarios.
- Technical Leadership: Participate in code reviews, mentor junior engineers, and drive best practices in Gradle/Maven build management.
- What we’re looking for
- (a) Required skills / qualifications
- 7+ years of backend development experience with a mastery of Java 17+ and Spring Boot 3.x.
- Expert Proficiency: Spring Security, RESTful API design, and distributed system architecture.
- OpenStack Expertise: Hands-on experience with Nova (Server CRUD, Flavors), Neutron (Networks, Security Groups), and Cinder (Volumes, Snapshots).
- Advanced Framework Knowledge: Spring Data JPA, Spring Cloud, and Feign for service-to-service communication.
- Database Mastery: Deep experience with PostgreSQL (query optimization) and Redis (caching strategies).
- Testing Excellence: Advanced skills in JUnit 5, Mockito, and specifically Testcontainers for integration testing.
- Cloud Native Foundations: Strong understanding of Docker, Kubernetes, and containerized deployments.
- Build Tools: Intermediate to advanced proficiency in Gradle or Maven.
- Core Concepts: Solid understanding of Keystone (Projects/Tokens), Glance (Images), and Octavia (Load Balancers).
- Soft Skills: Excellent communication and collaboration skills for working in highly technical cross-functional environments.
- (b) Preferred skills / qualifications
- Platform Expertise: Proven experience building platform-level systems or services at a hyperscaler scale (e.g., AWS, Azure, GCP).
- Reactive Programming: Advanced experience with Project Reactor and WebFlux for developing high-concurrency, non-blocking infrastructure gateways.
- Infrastructure as Code (IaC): Proficiency with Terraform, Ansible, ARM, or Bicep to automate and manage underlying OpenStack environments.
- Cloud Architecture: Exposure to hybrid or multi-cloud architectures and cross-cloud connectivity strategies.
- Industry Certifications: Relevant certifications such as Java (OCP), Kubernetes (CKA/CKAD), or Certified OpenStack Administrator (COA).
- Aware about the Resilience Patterns(Circuit Breaker, Bulkhead, Asyn Communication)
- What working at Core42 offers
- With a diverse team of 1,100+ employees from 68 nationalities, we foster an inclusive, innovative and collaborative environment.
- At Core42, we foster a culture grounded in trust, accountability and high performance.
- We are united by our values:
Grit
, where we overcome challenges with resilience and determination,
Passion
, which drives us to pursue excellence in everything we do, and
Impact
- , as we aim to inspire progress and create meaningful change.
- Our team members thrive in an environment where each person’s contributions propel us forward, and together, we commit to achieving extraordinary results.
- Competitive Salary: We offer an attractive salary package based on your skills and experience
- Yearly Bonus: In recognition of your contributions, you will receive a performance-based annual bonus
- Exclusive Discount Cards: Access special benefits with Esaad and Fazaa cards, offering discounts across a wide range of services
- Premium Family Insurance: We provide comprehensive health coverage, including dental, vision and life insurance, ensuring the well-being of you and your family
- Learning & Development: We offer access to top-tier learning platforms to help you grow your career. Learn at your own pace with unlimited access to premium courses.
Your resume, rewritten
for this exact role.
Sign up free — Base Career tailors your CV to this job description in 60 seconds.
01 / 05
Resume Tailored to This Job

Your keywords, structure, and story — rewritten to match this exact role and pass ATS filters.
Free · No card · 60 seconds
02 / 05
Cover Letter for This Role, Done

Job-specific cover letters written in Gulf professional tone — ready in seconds, not hours.
Free · No card · 60 seconds
03 / 05
See How Well You Fit This Role

AI match score with clear reasons — know your fit before investing time in the application.
Free · No card · 60 seconds
04 / 05
Apply in One Click

Autofill any application form on Workday, LinkedIn, Bayt, Greenhouse — with your tailored content.
Free · No card · 60 seconds
05 / 05
Track It. Follow Up at the Right Time.

Visual pipeline for every application with AI-timed follow-up reminders so nothing slips.
Free · No card · 60 seconds
Similar Jobs
Senior Software Engineer - React Native - Payments
Kraken ·
Building the Future of Crypto Our Krakenites are a world-class team with crypto conviction, united by our desire to discover and unlock the potential of crypto and blockchain technology. What makes us different? Kraken i
Skills
2 days ago
Apply Now↗Apply Now ↗Senior Software Engineer (Backend)
spiderSilk · Dubai
Who We Are! Back in 2019, spiderSilk was born with a bold idea: build regional, sovereign cybersecurity IP that could stand tall on the global stage. Our mission? To shake up the way organizations protect their ever-chan
Skills
2 days ago
Apply Now↗Apply Now ↗Senior Software Engineer – Cyber Security
UNEY · Dubai
We are seeking a highly skilled Senior Software Engineer (Backend / Systems) to join our core team. This role is focused on building scalable, high-performance software systems , with an emphasis on developing a next-gen
Skills
3 days ago
Apply Now↗Apply Now ↗Calypso SSE (Senior Software Engineer)
Net2Source (N2S) · Dubai
Job Title: Calypso SSE (Senior Software Engineer) Experience: 7–10 Years Location: Dubai (Permanent / Onsite) Job Description: We are hiring an experienced Calypso SSE with strong expertise in Calypso architecture, APIs,
Skills
3 days ago
Apply Now↗Apply Now ↗Senior Software Architect (100% Remote - Worldwide)
Tether Operations Limited · Dubai
Join Tether and Shape the Future of Digital Finance At Tether, we’re not just building products, we’re pioneering a global financial revolution. Our cutting-edge solutions empower businesses—from exchanges and wallets to
Skills
3 days ago
Apply Now↗Apply Now ↗Senior Software Engineer
UMATR · Dubai
Senior Software Engineer (Python) - UAE 🇦🇪 We're working with one of the most exciting AI startups to emerge from the Gulf region right now well-backed, moving fast, and doing genuinely hard work at the intersection of
Skills
3 days ago
Apply Now↗Apply Now ↗Senior Software Engineer, LearnWith.AI (Remote) - $100,000/year USD
Crossover · Dubai
Remote Contractor * $50/hr We are seeking an elite engineer who excels at ownership, strategic thinking, and solving sophisticated technical problems. In this position, you will deliver the product's most critical featu
Skills
3 days ago
Apply Now↗Apply Now ↗Senior Software Engineer - Email Security Platform(Golang)
UNEY · Dubai
Role Summary: We are building a production-grade email protection platform that processes email events in near real time, integrates multiple detection engines, and executes policy-driven actions across major email provi
Skills
3 days ago
Apply Now↗Apply Now ↗Senior Software Engineer – Java
UMATR · Abu Dhabi
Senior Software Engineer – Java, Springboot, AWS Location: Abu Dhabi (relocation package available) Salary: 28,000 – 30,000 AED per month We are hiring a Senior Software Engineer to join a fast-scaling Cybersecurity comp
Skills
3 days ago
Apply Now↗Apply Now ↗2.2K+
Cover Letters & Follow-ups
1.8K+
Resumes Tailored
190.5K+
Jobs Tracked
Trusted by professionals at
Stop applying blindly.
Start getting hired.
Base Career automates the hardest parts of job searching — apply smarter, not harder.
AI Resume in 60s
Your resume rewritten for this exact role using the job description as the brief.
ATS-Optimized
Get past automated screening filters with the right keywords matched to each job.
Application Tracker
Track every job, follow-up, and interview in one visual kanban board.
Free plan · No credit card required