ApTask · 2 days ago
Sr. Java Developer
New York, NY
Full-time
Onsite
Senior Level
$65/hr - $70/hrApTask is a leading global provider of workforce solutions and talent acquisition services, dedicated to shaping the future of work. They are seeking an experienced Senior Java Developer with strong expertise in Core Java, Spring Boot, Microservices, and Cloud technologies to design, develop, and optimize enterprise-level applications.
Human ResourcesInformation TechnologySmall and Medium BusinessesStaffing Agency
Responsibilities
Design, develop, and maintain Java-based applications using Spring Framework, Spring Boot, and Microservices
Review peers’ code and ensure adherence to best practices, clean coding standards, and performance optimization
Implement efficient data structures, collections, and concurrency mechanisms
Work with large datasets, optimize memory usage, and handle file processing at scale
Ensure security and compliance when integrating external libraries and APIs
Collaborate with database teams to design queries, optimize performance, and integrate SQL/NoSQL databases
Contribute to cloud-native application development using AWS, Kubernetes, and serverless (Lambda)
Participate in Agile/Scrum ceremonies and support production systems as needed
Qualification
Required
Strong proficiency in Core Java, Multithreading, Collections, and JVM internals (GC, deadlocks, memory management)
Hands-on experience with Spring Boot, REST APIs, and Microservices architecture
Solid understanding of data structures, immutability, concurrency, and thread safety
Experience with SQL/NoSQL databases and query optimization
Knowledge of cloud platforms (AWS preferred), Kubernetes, Docker, and DevOps practices
Strong problem-solving and debugging skills, especially in handling large files, big data, and performance issues
Preferred
Familiarity with frontend technologies (Angular/Vue.js) is a plus
Company
ApTask
ApTask is a staffing and recruiting company offering staffing, project, and workforce solutions.
Founded in 2010
201-500 employees
H1B Sponsorship
ApTask has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2023 (1)
2020 (1)
Funding
Current Stage
Growth StageLeadership Team
Taj Haslani
Founder
Recent News
Company data provided by crunchbase