API developer

Ascendion

$110K — $120K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 3-6 years of software engineering experience required.
  • Proficient in Java 21 or other modern versions.
  • Experience with Spring Boot and REST API development is essential.
  • Familiar with building microservices and distributed systems.
  • Strong knowledge of Spring Cloud for cloud-native designs.
  • Experience with NoSQL databases like Cassandra and MongoDB.
  • Hands-on with AWS services and container deployment via ECS/EKS.
  • Solid background with Infrastructure as Code using Terraform.
  • Experienced in setting up CI/CD pipelines with Jenkins and Spinnaker.
  • Proficient in application performance monitoring with tools like Splunk and Dynatrace.

Responsibilities

  • Design and maintain scalable REST APIs and backend services.
  • Develop cloud-native microservices leveraging Spring Cloud.
  • Create integrations between enterprise apps, databases, and external services.
  • Manage applications within AWS containerized environments.
  • Implement Infrastructure as Code using Terraform.
  • Automate CI/CD pipeline deployment with Jenkins and Spinnaker.
  • Monitor application performance and troubleshoot production issues.
  • Collaborate across teams to deliver secure, high-performing software solutions.
  • Engage in code reviews and architectural discussions.
  • Stay updated with emerging technologies in the field.

Benefits

  • Medical insurance coverage.
  • Dental insurance coverage.
  • Vision insurance coverage.
  • 401(k) retirement plan offered.
  • Short-term and long-term disability insurance available.
  • Annual personal days for rest.
  • Generous paid vacation days offered.
  • Paid holidays plus an additional floating holiday available.
  • Access to Ascendion's Learning Management System.
Full Job Description
Job Title: API Developer

About the Role
  • Design, develop, and maintain scalable REST APIs and backend services using Java 21 and Spring Boot.
  • Build cloud-native microservices leveraging Spring Cloud and modern distributed system patterns.
  • Develop integrations between enterprise applications, databases, and external services.
  • Work with NoSQL databases including Cassandra and MongoDB to design efficient data models and queries.
  • Deploy and manage applications in AWS containerized environments using ECS and EKS.
  • Create and maintain Infrastructure as Code (IaC) using Terraform.
  • Implement CI/CD pipelines and deployment automation using Jenkins and Spinnaker.
  • Monitor application performance, troubleshoot production issues, and improve system reliability using Splunk and Dynatrace.
  • Collaborate with cross-functional teams to deliver secure, high-performing, and resilient software solutions.
  • Participate in code reviews, architecture discussions, and engineering best practices initiatives.
  • Stay current with emerging technologies including Spring AI, Agentic AI concepts, and Model Context Protocol (MCP).

Required Qualifications
  • 3-6 years of professional software engineering experience.
  • Strong programming experience with Java 21 (or modern Java versions).
  • Hands-on experience with Spring Boot and REST API development.
  • Experience building microservices architectures and distributed systems.
  • Strong understanding of Spring Cloud components and cloud-native application design.
  • Experience working with Cassandra and/or MongoDB.
  • Hands-on experience with AWS cloud services.
  • Experience deploying containerized applications using ECS and/or EKS.
  • Strong knowledge of Infrastructure as Code using Terraform.
  • Experience building and maintaining CI/CD pipelines using Jenkins and Spinnaker.
  • Experience with application monitoring, logging, and observability tools such as Splunk and Dynatrace.
  • Understanding software engineering best practices, testing, and performance optimization

Location:5 days Onsite in Manhattan, NY

Salary Range:The salary for this position is between $110K-$120K USD annually. Pay within this range may vary based on geography, experience, skills, and applicable qualifications

Benefits: Eligible employees may receive the following benefits: [Medical insurance] [Dental insurance] [Vision insurance] [401(k) retirement plan] [Long-term disability insurance] [Short-term disability insurance] [5 personal days annually] [10-15 days of paid vacation] [6 paid holidays + 1 floating holiday] [Ascendion Learning Management System access]

Want to change the world? Let's connect.

Tell us about your expertise, experience, and ambitions. Bring your insights, unique perspective, and enthusiasm to build the next generation of data center infrastructure & mdash; together with Ascendion.

Preferred Skills

API
  • JAVA API
  • JAVA
  • Springboot


Job details

Job ID 332901

Role API developer

Location New York, New York, US

Job type Direct Hire

Recruiter Garima

Email [email protected]

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