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Java Developer

Dynasas
Dubai, UAE
Full Time
Mid
Onsite
AED 6,000/month / month
1 weeks ago
JavaSpring BootPythonFastAPIDjangoFlask
Free

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About us

  • Dynasoft Applied Systems Private Limited is part of a Dubai based venture having its offices in multiple locations including Dubai, Abu Dhabi, Bahrain, Sharjah, Bangalore, Maharashtra, New Delhi and Gurgaon.
  • It is a software arm of the entire group focused on cutting edge innovative software solutions around Fintech, Social Tech and Defense Tech.
  • As a group, we operate across multiple business verticals including construction and real estate, hospitality, fintech, defense technologies, communication and signaling protocol, logistics, solar and manufacturing of specialized equipment.

Position Summary

  • We are looking for a Senior Java Developer who is strong in both Java and Python to design, build, and maintain scalable backend services for modern web, mobile, operational, and integration driven platforms.
  • The ideal candidate should have hands on experience with Java/Spring Boot for production backend systems, and practical Python experience for APIs, services, automation, integrations, data workflows, and backend tooling.
  • This role is suited for a hands on engineer who can take ownership of APIs, database design, service architecture, integrations, performance, security, testing, documentation, and production support.

Key Responsibilities

  • Design, develop, and maintain backend services using Java, Spring Boot, and Python.
  • Build secure, scalable, and well documented REST APIs for web, mobile, admin, operational, and third party integration use cases.
  • Develop Python based backend services, automation scripts, integration adapters, reporting jobs, internal tools, and data processing workflows where required.
  • Design and maintain PostgreSQL database schemas, migrations, indexes, constraints, optimized queries, and data integrity rules.
  • Implement reliable service layer logic, validation, error handling, pagination, filtering, idempotency, transaction management, and background processing.
  • Work with event driven patterns using Kafka, message queues, or similar platforms for asynchronous workflows, notifications, telemetry, analytics, and integration events.
  • Use Redis or equivalent caching/session layers to improve performance, reduce database load, and support fast backend workflows.
  • Integrate with external systems such as payment gateways, notification providers, reporting tools, CRM/ERP systems, cloud services, and other third party platforms as required.
  • Implement authentication, authorization, RBAC, audit logging, input validation, secure API patterns, and safe handling of sensitive data.
  • Write clean, maintainable, testable code and participate in code reviews across Java and Python codebases.
  • Create and maintain unit tests, integration tests, API tests, technical documentation, and developer handover notes.
  • Support production deployments, monitoring, logging, troubleshooting, incident investigation, performance optimization, and operational reliability.

Additional Responsibilities

  • Collaborate with frontend, mobile, DevOps, QA, product, and business teams to translate requirements into reliable backend solutions.
  • Mentor junior developers where required and help improve backend engineering standards across the team.

Required Skills and Experience

  • 4 to 6 years of backend development experience, with strong hands on experience in Java/Spring Boot and practical experience with Python backend development, automation, integrations, scripting, or data workflows.
  • Strong practical Python experience, preferably with FastAPI, Django, Flask, or similar backend/API frameworks.
  • Strong understanding of REST API design, API versioning, authentication, authorization, error contracts, pagination, documentation, and OpenAPI/Swagger or similar tools.
  • Strong PostgreSQL experience, including schema design, joins, indexes, transactions, query optimization, migrations, constraints, and data integrity practices.
  • Practical experience with Kafka, message queues, or event driven systems, including producers, consumers, retries, duplicate handling, idempotency, and failure recovery.
  • Good understanding of distributed systems concepts such as eventual consistency, retries, background processing, service boundaries, and failure safe workflows.
  • Experience with Redis or similar caching/session technologies.
  • Experience with Docker, CI/CD pipelines, environment configuration, secrets management, and cloud ready application deployment.
  • Good understanding of security best practices, including JWT/OAuth2 concepts, RBAC, OWASP API risks, audit trails, and secure handling of sensitive data.
  • Strong debugging and troubleshooting skills across application logs, APIs, databases, queues, background workers, and production environments.
  • Ability to write clean code, structure services properly, document decisions, review code, and communicate technical trade offs clearly.
  • Comfortable working in both existing systems and new development, without overengineering or rewriting unnecessarily.

Preferred Skills

  • Experience with AWS, Azure, GCP, Kubernetes, ECS/EKS, RDS, managed Kafka, ElastiCache, S3, CloudWatch, or similar cloud services.
  • Experience with Python background workers or task queues such as Celery, RQ, Dramatiq, APScheduler, or similar tools.
  • Experience with microservices, modular monoliths, domain driven design, service oriented architecture, or backend platform modernization.
  • Experience with payment webhooks, order workflows, workflow engines, analytics pipelines, reporting systems, data ingestion, or operational dashboards.
  • Experience with observability tools such as Prometheus, Grafana, OpenTelemetry, ELK/OpenSearch, Datadog, New Relic, or similar tools.
  • Experience with Flyway, Liquibase, Alembic, Testcontainers, Pytest, Kafka Streams, Debezium, outbox pattern, or CDC patterns.
  • Experience integrating AI/ML APIs, OCR, document processing, workflow automation, or internal productivity tools using Python is a plus.
  • Ability to mentor developers and support engineering standards across multiple backend technologies.

Candidate Profile

  • Hands on backend engineer with strong ownership and accountability.
  • Comfortable using Java/Spring Boot for robust production services and Python for fast, reliable backend services, integrations, automations, and tooling.
  • Able to think beyond simple CRUD APIs and design systems for reliability, security, scalability, and maintainability.
  • Strong problem solver who can debug real production issues and communicate clearly with technical and non technical teams.
  • Organized, documentation oriented, and comfortable working in a fast moving product environment.
  • Practical and delivery focused: understands when to build, when to refactor, when to stabilize, and when to keep the solution simple.

Pay

  • AED 6,000 AED 12,000 per month

Work Location

  • In person

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