What are the responsibilities and job description for the Senior Backend Engineer | Jersey City, NJ |Contract position at ApTask?
Job Title: Senior Backend Engineer
Experience: 10 Years
Location: - Only Local Profiles
5 Days Onsite
Note: Kotlin is good to have now
Job Summary
We are seeking a highly skilled Senior Backend Engineer with strong expertise in building and supporting cloud-native backend platforms. The ideal candidate will be a hands-on engineer who can independently design, develop, deploy, and manage backend services using Kotlin, Spring Boot, Spring Cloud, WebFlux, AWS, and Terraform. This role requires someone who is comfortable working in a fast-paced environment and can quickly contribute with minimal supervision.
Key Responsibilities
- Design, develop, and maintain scalable backend platform services and APIs.
- Build cloud-native microservices using Kotlin, Spring Boot, Spring Cloud, and WebFlux.
- Deploy, configure, and manage AWS infrastructure using Terraform.
- Provision AWS resources manually through Infrastructure as Code (IaC) practices and troubleshoot infrastructure-related issues.
- Configure, deploy, and manage containerized applications on AWS ECS.
- Collaborate with architecture and platform teams to ensure highly available and resilient systems.
- Optimize application performance, scalability, and reliability.
- Implement best practices around observability, monitoring, logging, and operational excellence.
- Participate in code reviews, technical design discussions, and production support activities.
Required Skills & Experience
Technical Skills
- Comfortable in using Kotlin with Spring boot
- Extensive hands-on experience with Spring Boot, Spring Cloud, and WebFlux.
- Deep understanding of reactive programming concepts and microservices architecture.
- Strong experience with AWS Cloud Services.
- Expert-level experience in Terraform for provisioning and managing cloud infrastructure.
- Hands-on experience configuring and managing AWS ECS (Elastic Container Service).
- Experience developing RESTful APIs and backend platform services.
- Strong understanding of distributed systems and cloud-native application design.
- Experience with CI/CD pipelines and DevOps practices.
- Familiarity with containerization technologies and cloud deployment strategies.
Experience
- 10 years of overall software development experience.
- 4 years of hands-on experience with Kotlin and modern Spring ecosystem.
- Proven experience independently delivering backend and platform engineering solutions in AWS environments.
Preferred Qualifications
- Experience working with event-driven architectures.
- Familiarity with Kafka or other messaging platforms.
- Experience with observability tools such as CloudWatch, Datadog, Splunk, or Prometheus.
- Knowledge of security best practices in cloud environments.
- Experience working in Agile/Scrum teams.
Salary : $50 - $57