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Senior Java Backend Engineer

Job in West Chester, Chester County, Pennsylvania, 19380, USA
Listing for: CYNET SYSTEMS
Full Time position
Listed on 2026-10-06
Job specializations:
  • Software Development
    Backend Developer, Cloud Engineer - Software, Java Developer, Full Stack Developer
Salary/Wage Range or Industry Benchmark: 55 - 60 USD Hourly USD 55.00 60.00 HOUR
Job Description & How to Apply Below
Pay Range: $55.00hr - $60.00hr Job Overview:
Our organization is seeking an experienced Senior Java Backend Engineer to join the dynamic engineering team. In this role, the candidate will design, develop, and deploy scalable web, enterprise, and AI-powered applications that drive business impact. The candidate will work on cloud-native architectures, lead end-to-end system design, and mentor junior engineers while leveraging cutting-edge technologies including Java, Spring Boot, microservices, and Generative AI.

Key Responsibilities:

Design and architect scalable backend systems that support enterprise and web applications. Develop robust and maintainable Java applications using Spring Boot and microservices patterns. Implement and integrate Generative AI solutions, including RAG (Retrieval-Augmented Generation), LLMs, and Knowledge Graphs. Build and maintain cloud-native architectures on modern cloud platforms. Lead full-stack development efforts and collaborate across frontend (Angular) and backend systems. Manage end-to-end deployment pipelines and ensure system reliability, security, and performance.

Conduct code reviews, establish best practices, and mentor junior team members. Collaborate with product managers, architects, and cross-functional teams to translate requirements into technical solutions. Identify and implement performance optimizations and architectural improvements.

Required Qualifications:

7+ years of professional software development experience. 5+ years of hands-on experience with Java and Spring Boot framework. Strong expertise in microservices architecture, design patterns, and distributed systems. Proficiency in designing and building REST APIs and event-driven architectures.

Experience with cloud platforms (AWS, Azure, GCP) and containerization (Docker, Kubernetes). Solid understanding of database design, SQL, and both relational and No

SQL databases.

Experience with CI/CD pipelines and Dev Ops practices. Strong problem-solving skills and ability to handle complex technical challenges. Strong verbal and written communication skills and collaboration skills.

Preferred Qualifications:

Experience with Generative AI technologies including LLMs, RAG, and Knowledge Graphs. Hands-on experience with Angular or other modern frontend frameworks.

Experience with message brokers and streaming platforms (Kafka, RabbitMQ). Knowledge of security best practices and secure coding principles.

Experience with infrastructure-as-code (Terraform, Cloud Formation). Contribution to open-source projects. Bachelor's degree in Computer Science, Engineering, or related field (or equivalent experience). Technical Skills & Technologies:

Languages:

Java, Python, JavaScript/Type Script. Backend Frameworks:
Spring Boot, Spring Cloud, Spring Data, Spring Security. Frontend:
Angular, React. AI/ML: LLMs, RAG, Knowledge Graphs, Vector Databases, Lang Chain. Cloud Platforms: AWS, Azure, Google Cloud Platform. Containerization & Orchestration:
Docker, Kubernetes, Docker Compose. Databases:
PostgreSQL, MySQL, MongoDB, Redis, Elasticsearch. CI/CD & Dev Ops:
Jenkins, Git Lab CI, Git Hub Actions, ArgoCD, Terraform. Message Brokers:
Apache Kafka, RabbitMQ, AWS SQS. Monitoring & Logging: ELK Stack, Prometheus, Grafana, Cloud Watch. Benefits:
Our Benefits Include:
Medical, Dental, and Vision Insurance 401(k) Retirement Plan Health Savings Account (HSA) Disability Insurance (Short-Term and Long-Term) Life and AD&D Insurance Paid Sick Leave (where required by applicable state or local law) Supplemental Insurance Plans Identity Theft Protection Pet Insurance Employee Wellness Programs Employee Assistance Program (EAP) Career Growth and Professional Development Opportunities

Disclaimer: Benefits eligibility,…
Position Requirements
10+ Years work experience
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