Java Backend Developer

Ascendion is a full-service digital engineering solutions company. We make and manage software platforms and products that power growth and deliver captivating experiences to consumers and employees. Our engineering, cloud, data, experience design, and talent solution capabilities accelerate transformation and impact for enterprise clients. Headquartered in New Jersey, our workforce of 6,000+ Ascenders delivers solutions from around the globe. Ascendion is built differently to engineer the next.

Responsibilities

Design, develop, test, and maintain RESTful and GraphQL APIs; Build scalable microservices using modern backend frameworks and architecture patterns; Integrate enterprise applications, databases, and third-party platforms through APIs; Develop secure APIs using OAuth 2.0, JWT, API Keys, and OpenID Connect; Create and maintain API documentation using Swagger/OpenAPI specifications; Optimize API performance, availability, scalability, and reliability; Develop reusable backend services and business logic components; Collaborate with cross-functional teams including Frontend, Architecture, QA, DevOps, and Product Management; Implement unit testing, integration testing, and automated API testing frameworks; Monitor APIs, analyze logs, and troubleshoot production incidents; Participate in code reviews and ensure adherence to secure coding standards and best practices; Deploy and maintain applications using CI/CD pipelines; Work in containerized environments using Docker and Kubernetes; Participate in Agile/Scrum ceremonies and contribute throughout the software development lifecycle

Requirements

Bachelor's degree in Computer Science, Engineering, Information Technology, or a related field; 3+ years of experience in backend/API development and integration; Hands-on experience developing RESTful APIs using Java, C#, Python, Go, or Node.js; Experience with at least one modern backend framework such as Spring Boot, ASP.NET Core, Express.js, FastAPI, Micronaut, or Quarkus; Strong SQL skills and experience working with relational and/or NoSQL databases; Knowledge of API security standards including OAuth 2.0, JWT, and OpenID Connect; Experience with API documentation tools such as Swagger/OpenAPI; Familiarity with source control systems (Git) and CI/CD pipelines; Experience working with Docker and containerized applications; Understanding of cloud platforms such as AWS, Azure, or GCP; Experience with unit testing, integration testing, and API automation testing; Strong problem-solving, analytical, and communication skills; Experience working in Agile/Scrum development environments

Nice to have

Banking and Financial Industry experience; Experience working with additional backend frameworks, databases, and cloud technologies; Knowledge of advanced DevOps practices and infrastructure automation tools; Familiarity with event-driven architectures and messaging platforms; Understanding of modern security protocols, API governance, and compliance requirements; Experience with API lifecycle management and monitoring solutions; Proficiency in additional testing frameworks and automated testing methodologies; Java; Kafka; Spring Boot; Microservices

Benefits

Medical insurance; Dental insurance; Vision insurance; 401(k) retirement plan; Long-term disability insurance; Short-term disability insurance; 5 personal days accrued each calendar year; 10-15 days of paid vacation time; 6 paid holidays and 1 floating holiday per calendar year; Ascendion Learning Management System