CrawlJobs Logo

Java/Kotlin Backend Developer

United Arab Emirates, Abu Dhabi · Job Posted January 09, 2026
Apply Position
Job Link Share

Job Description

My client are looking for a Senior Kotlin / Java Developer to join their backend engineering team and help design and build highly scalable, high-throughput services in a modern microservice environment. This is a hands-on role for someone passionate about clean code, modern architectures, and building resilient systems at scale.

Job Responsibility

  • Design and implement scalable, service-oriented solutions using Kotlin (2+) and Java (21), meeting performance and availability requirements
  • Develop clean, maintainable, and efficient code following modern engineering standards
  • Work with Spring, Micronaut, and other JVM-based frameworks to deliver robust backend functionalities
  • Collaborate across teams to modernize architecture and build resilient, observable, horizontally scalable features
  • Contribute to architecture decisions and technical discussions within the team
  • Integrate with relational and non-relational databases such as MySQL, PostgreSQL, and Elasticsearch
  • Build and maintain CI/CD pipelines using GitLab to ensure safe and repeatable deployments
  • Work with modern developer tools: JetBrains IntelliJ + AI, Datagrip, Lens, Rancher, Postman
  • Influence key technology decisions while contributing to global platform scaling

Requirements

  • 5+ years of hands-on experience in Kotlin and Java development
  • Strong experience with Spring Boot, Spring, or Micronaut frameworks
  • Solid understanding of microservices, distributed systems, and event-driven architectures
  • Experience with relational and non-relational databases (MySQL, PostgreSQL, Elasticsearch)
  • Familiarity with Kafka, Camel, Artemis JMS, Kubernetes, Helm, REST, SOAP
  • Experience with modern development tools and CI/CD pipelines
  • Proactive mindset with strong problem-solving abilities
  • Passion for clean, modern software design and engineering excellence
  • Excellent English communication skills, both written and spoken
  • UAE residency is required for this role

Looking for more opportunities?

Search for other job offers that match your skills and interests.

Similar Jobs for

Java/Kotlin Backend Developer

8 matching positions

Sr. Backend Engineer (Java/Kotlin)

Drive the evolution of our backend technology, infrastructure, and AI capabiliti...
Location
Location
Argentina , Buenos Aires
Salary
Salary:
60000.00 - 72000.00 USD / Year
silver.dev Logo
Silver.dev
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Proficiency in backend development with expertise in languages like Kotlin, Java, Go, Python or similar
  • Familiarity with database design, management, and optimization
  • Track record of building and maintaining scalable and reliable backend systems
  • Experience with AI is a strong plus, especially in applying models to real-world product use cases and optimizing performance in production environments
  • Expertise in designing scalable and maintainable backend architectures, understanding when to apply different architectural patterns
  • Capable of monitoring the whole architecture using tools like New Relic or Datadog
  • You know how to build scalable and maintainable code
  • You care about what to measure and how it impacts business and users
  • You track behavior, usage, and performance, and improve based on it
  • You care about why we build things, not just how
Job Responsibility
Job Responsibility
  • Work side by side with our CTO to build the foundations, the present, and the future of our backend, and AI systems
  • Develop and enhance backend systems for both existing and new applications in conjunction with mobile engineers
  • Contribute to systems design, infrastructure planning, CI/CD processes, and data workflows
  • Implementing and maintaining scalable and reliable backend systems using languages like Kotlin, Java, Go, Python or similar
  • Designing and defining backend tools, databases, and the architecture of our apps
  • Working directly with Cloud services (e.g., AWS, Supabase, Cloudflare)
  • Creating tools, libraries, or components to enhance the efficiency of backend development processes
  • Drive the evolution of our backend technology, infrastructure, and AI capabilities to ensure high performance, scalability, and seamless integration for our mobile applications
What we offer
What we offer
  • Equity package
  • 10-day team retreats abroad every quarter
  • 30-day onboarding in Paris (we cover flights and housing)
  • Laptop and work setup of your choice
  • Private health insurance (for US or LATAM hires)
  • A tight, ambitious team building something real — fast
  • Fulltime
Read More
Arrow Right

Senior Full Stack Software Engineer

We are seeking a dynamic, Senior Full Stack Software Engineer to join a dedicate...
Location
Location
Canada , Montreal
Salary
Salary:
Not provided
https://www.randstad.com Logo
Randstad
Expiration Date
July 20, 2026
Flip Icon
Requirements
Requirements
  • 5 to 8 years of professional software development experience, ideally acquired within the insurance, banking, or fintech sectors
  • Strong programming expertise in Java and Kotlin, alongside hands-on experience with API/backend testing utilities (e.g., Postman)
  • Proficient with TypeScript, React, and GraphQL, including experience with front-end testing tools like Cypress and patterns like Page Object Model (POM)
  • Proven familiarity with Git, automated deployment tools (such as GitHub Actions), Agile/Scrum lifecycles, and a solid understanding of the full SDLC
  • Excellent analytical, documentation, and interpersonal skills
  • Authorized to work in Canada
  • Bilingual proficiency in French and English
Job Responsibility
Job Responsibility
  • Full Stack Engineering: Design, build, and optimize scalable software components using a backend-focused stack (Java/Kotlin) paired with modern frontend frameworks
  • Architecture & Code Quality: Formulate technical specifications, establish branching strategies, lead peer code reviews, and ensure clean, maintainable architecture
  • Test Automation & CI/CD: Elevate existing automation frameworks (both UI and backend), integrate performance testing solutions, and seamlessly incorporate tests into modern CI/CD delivery pipelines
  • Data & Observability: Architect data management components and create observability solutions (dashboards and monitoring tools) to provide real-time environment visibility
  • Cross-Functional Alignment: Translate complex business objectives into concrete technical designs while mentoring team members on best engineering and quality practices
What we offer
What we offer
  • Cutting-Edge Ecosystem: Work within an R&D/Lab environment dedicated to modern tech stacks and high-impact internal tools
  • Flexible Hybrid Model: Enjoy the ideal balance with 2 days per week onsite at our vibrant Downtown Montreal office and 3 days remote
  • Long-Term Potential: Initial 6 to 12-month contract with strong possibilities for extension or permanent conversion
  • Collaborative Culture: Join a forward-thinking, multidisciplinary team that values continuous learning, initiative, and creative experimentation
Read More
Arrow Right

Full Stack Engineer

Engineer the future of global finance. At Citi, our Tech team doesn’t just suppo...
Location
Location
Poland , Warsaw
Salary
Salary:
268390.00 - 457010.00 PLN / Year
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Strong proficiency in modern backend languages such as Java/Kotlin and/or Python
  • Extensive experience with microservices architecture and developing scalable, resilient services
  • Demonstrated experience deploying and managing applications within containerization platforms like Kubernetes and OpenShift
  • Experiencedin Python-based frontend frameworks (e.g., Dash, Streamlit, or other relevant Python web frameworks)would be desirable
  • Understanding and practical application of DevOps principles, including CI/CD pipelines, automated testing, and trunk-based development
  • A strong commitment to fully automated testing and continuous integration
  • Experience on scrum ceremonies such as daily stand-up meetings, sprint planning
  • Prior experience with front office applications and an understanding of trading workflows, financial instruments, or market data will be a significant advantage
  • Bachelor’s degree or University degree in Computer Science, Engineering, or a related field, or equivalent practical experience in a similar role
Job Responsibility
Job Responsibility
  • Design & Develop: Iteratively develop robust, high-performance software solutions from initial concept through to production deployment, directly impacting trader efficiency and capabilities
  • Business Acumen & Product Ownership: Collaborate closely with business stakeholders, demonstrating a keen understanding of business drivers and a strong product owner mindset
  • Code Excellence: Produce clean, efficient, and well-documented code, adhering to best practices and contributing to a high-quality codebase
  • Engineering Leadership: Champion and share best engineering practices, foster a culture of continuous improvement, and mentor junior colleagues across the wider technology team
  • Innovation & Adaptation: Proactively evaluate and integrate new technologies, including AI tooling, to maintain a leading edge in our solutions
  • Full Lifecycle Ownership: Take ownership of the entire software development lifecycle, from design and development to testing, deployment, and monitoring in a DevOps-centric environment
What we offer
What we offer
  • Employer paid Defined Contribution Pension Plan contribution of 6% of employee’s pensionable earnings (PPE Program)
  • Employer paid Private Medical Care Package for employees and Private Medical Care Packages for certain family members available at preferential rates
  • Employer paid Life Insurance Program for employees and Life Insurance for certain family members available at preferential rates
  • Employee Assistance Program financed by Employer
  • Paid Parental Leave Program (maternity and paternity leave
  • statutory and 2 weeks additional paid paternity leave)
  • Sport Card for employees subsidized via Social Benefits Fund and Sport Cards for certain family members available at preferential rates
  • Additional benefits from Company’s Social Benefit Fund, in particular: Holidays Allowance, support for sport and cultural activities, team building events
  • Additional day off for volunteering
  • Cafeteria/ flex benefit – a company benefits system which enables employees to select and purchase benefits offered by a provider and available for employees on the platform
  • Fulltime
Read More
Arrow Right

Technical Lead

We are looking for a Technical Lead to guide our backend engineering team. This ...
Location
Location
Malaysia , Kuala Lumpur
Salary
Salary:
15000.00 - 18000.00 MYR / Month
https://www.randstad.com Logo
Randstad
Expiration Date
July 14, 2026
Flip Icon
Requirements
Requirements
  • Bachelor's or Master's degree in a relevant field
  • 7+ years of software engineering experience, with 2+ years in a technical leadership role
  • Deep expertise in Java/Kotlin (Spring)
  • Proven experience with designing and scaling distributed systems
  • Strong knowledge of software architecture patterns, CI/CD, and agile methodologies
  • Proficiency with relational databases (PostgreSQL, MySQL)
  • Excellent communication skills with an ability to influence technical discussions
Job Responsibility
Job Responsibility
  • Lead the design and development of high-quality backend software
  • Drive architectural direction and ensure consistency in best practices
  • Collaborate with frontend and mobile teams for seamless product experiences
  • Mentor and lead backend engineers, fostering a culture of excellence
  • Manage production system health, monitoring, and incident resolution
  • Balance hands-on coding with technical leadership and strategy
Read More
Arrow Right

Senior Java/Kotlin Engineer (AI-Driven DevOps & Automation)

We are looking for a Senior Java/Kotlin Engineer who goes beyond traditional dev...
Location
Location
Colombia
Salary
Salary:
Not provided
parserdigital.com Logo
Parser Limited
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Strong experience in Java and/or Kotlin backend development
  • Solid understanding of software design, APIs, and distributed systems
  • Experience with CI/CD pipelines and DevOps practices
  • Hands-on experience with: Static code analysis tools
  • Dependency management and security remediation
  • Familiarity with AI-assisted coding tools (e.g., Claude, GitHub Copilot, etc.)
  • Experience working with Git-based workflows and multi-repo environments
Job Responsibility
Job Responsibility
  • Backend Development: Design, build, and maintain scalable backend services using Java/Kotlin
  • Deliver production-ready features with high quality and performance standards
  • Collaborate with product and engineering teams to translate requirements into technical solutions
  • AI-Driven DevOps & Automation: Use Claude (or similar agentic AI tools) to identify and fix vulnerabilities
  • Automate code improvements across repositories
  • Generate and maintain unit and integration tests using AI from code context and diffs
  • Continuously improve CI/CD workflows using AI-assisted processes
  • AI Readiness & Engineering Enablement: Improve AI readiness of repositories: clean architecture, modular structure, clear interfaces and contracts, type safety and documentation for LLM consumption
  • Build guardrails for AI usage: prompt design and versioning, output validation and consistency checks, safe code generation practices
What we offer
What we offer
  • The chance to work in innovative projects with leading brands that use the latest technologies that fuel transformation
  • The opportunity to be part of an amazing, multicultural community of tech experts
  • A competitive compensation package and medical insurance
  • A flexible working environment
  • Fulltime
Read More
Arrow Right

Staff Backend Engineer

At AdRise, we build cutting-edge advertising capabilities for Tubi and across th...
Location
Location
Canada , Toronto
Salary
Salary:
Not provided
foxnews.com Logo
Fox News Media
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 8+ years of production experience designing and building scalable distributed systems using JVM languages (Scala preferred
  • Java/Kotlin acceptable)
  • Deep hands-on experience with relational databases (Postgres), caching systems (Redis), and streaming or messaging platforms (Kafka and/or Kinesis)
  • Strong experience with Akka technologies, including clustering and distributed coordination in production environments
  • Proven experience building and operating near real-time, high-performance, fault-tolerant services at scale
  • Experience with big data or streaming frameworks such as Apache Spark or Flink in production settings
  • Demonstrated technical leadership, including driving design alignment, influencing architecture across teams, and owning outcomes beyond a single service
  • Strong sense of ownership, pragmatism, and a bias toward doing things the right way while keeping the business moving
Job Responsibility
Job Responsibility
  • Architect, design, and evolve large-scale, high-throughput, low-latency distributed systems that power ad delivery and pacing at scale, primarily using Scala
  • Set technical direction for critical Ads Delivery services, making long-term design decisions that balance performance, reliability, and velocity
  • Lead API and service development with a strong emphasis on correctness, observability, and operational excellence
  • Drive cross-team technical initiatives with ML, Data Science, and Ad Serving to improve pacing, planning, and optimization systems
  • Identify architectural bottlenecks and lead efforts to simplify, modernize, or re-platform systems as the business scales
  • Raise the engineering bar through rigorous code reviews, design reviews, and hands-on mentorship of senior and mid-level engineers
  • Champion experimentation by prototyping new approaches, validating them in production, and scaling what works
  • Take ownership of production health, incident prevention, and post-incident learning across the Ads Delivery stack
Read More
Arrow Right

Staff Backend Engineer

At AdRise, we build cutting-edge advertising capabilities for Tubi and across th...
Location
Location
United States , New York
Salary
Salary:
179000.00 - 284000.00 USD / Year
foxnews.com Logo
Fox News Media
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 8+ years of production experience designing and building scalable distributed systems using JVM languages (Scala preferred
  • Java/Kotlin acceptable)
  • Deep hands-on experience with relational databases (Postgres), caching systems (Redis), and streaming or messaging platforms (Kafka and/or Kinesis)
  • Strong experience with Akka technologies, including clustering and distributed coordination in production environments
  • Proven experience building and operating near real-time, high-performance, fault-tolerant services at scale
  • Experience with big data or streaming frameworks such as Apache Spark or Flink in production settings
  • Demonstrated technical leadership, including driving design alignment, influencing architecture across teams, and owning outcomes beyond a single service
  • Strong sense of ownership, pragmatism, and a bias toward doing things the right way while keeping the business moving
Job Responsibility
Job Responsibility
  • Architect, design, and evolve large-scale, high-throughput, low-latency distributed systems that power ad delivery and pacing at scale, primarily using Scala
  • Set technical direction for critical Ads Delivery services, making long-term design decisions that balance performance, reliability, and velocity
  • Lead API and service development with a strong emphasis on correctness, observability, and operational excellence
  • Drive cross-team technical initiatives with ML, Data Science, and Ad Serving to improve pacing, planning, and optimization systems
  • Identify architectural bottlenecks and lead efforts to simplify, modernize, or re-platform systems as the business scales
  • Raise the engineering bar through rigorous code reviews, design reviews, and hands-on mentorship of senior and mid-level engineers
  • Champion experimentation by prototyping new approaches, validating them in production, and scaling what works
  • Take ownership of production health, incident prevention, and post-incident learning across the Ads Delivery stack
What we offer
What we offer
  • annual discretionary bonus
  • medical/dental/vision
  • insurance
  • a 401(k) plan
  • paid time off
  • Fulltime
Read More
Arrow Right

Senior Software Engineer, Backend - Onboarding

Onboarding team plays a pivotal role in Airwallex's mission by facilitating the ...
Location
Location
Singapore , Singapore
Salary
Salary:
Not provided
airwallex.com Logo
Airwallex
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Experienced and technically proficient with robust expertise in Java/Kotlin
  • Empathetic and insightful regarding customer needs
  • Data-driven and analytical
  • Collaborative and knowledge-sharing
  • Adaptable and continuously learning
  • Proactive and ownership-driven
  • Efficient and prioritization-savvy
Job Responsibility
Job Responsibility
  • Design and build scalable systems
  • Architect, develop, and maintain microservices in Java/Kotlin
  • Enable data-driven decisions
  • Collaborate with data scientists and product managers
  • Collaborate and innovate with cross-functional teams
  • Experiment and iterate
  • Develop services that support rapid A/B testing
  • Promote security & compliance
  • Integrate secure coding practices and frameworks
What we offer
What we offer
  • Be part of something big
  • Grow with us
  • Collaborate with the best
  • Fulltime
Read More
Arrow Right