Senior Java Developer

NexgenLink (formerly Astro Sirens) is seeking an experienced Senior Java Developer to design, build, and maintain scalable enterprise applications and backend services that support critical business operations. This role requires strong expertise in Java development, modern backend frameworks, cloud technologies, and distributed systems. The ideal candidate will work closely with product, engineering, and cross-functional stakeholders to deliver secure, high-quality, and maintainable software solutions in a fast-paced environment.This position is well suited for a hands-on engineer who is comfortable developing robust microservices, building scalable APIs, optimizing system performance, and contributing to architecture and technical design decisions. The successful candidate will bring strong problem-solving skills, sound engineering judgment, and the ability to collaborate effectively with both technical and non-technical teams while working remotely within U.S. time zones.RequirementsBachelor’s degree in Computer Science, Software Engineering, or a related technical fieldMinimum 5 years of professional experience in Java software developmentStrong proficiency in Java and object-oriented programming principlesHands-on experience with frameworks such as Spring Boot, Spring MVC, Spring Security, and HibernateStrong experience designing and developing RESTful APIs, backend services, and microservices-based applicationsProficiency in SQL and experience working with relational databases such as PostgreSQL, MySQL, Oracle, or SQL ServerExperience working with cloud platforms such as AWS, Microsoft Azure, or Google Cloud PlatformExperience with containerization and orchestration technologies such as Docker and KubernetesFamiliarity with messaging and streaming technologies such as Kafka, RabbitMQ, or similar toolsStrong understanding of software design patterns, multithreading, performance optimization, and distributed systems conceptsExperience supporting CI/CD pipelines, automated testing, and modern software delivery practicesStrong written and verbal communication skills in English, with the ability to communicate effectively with technical and non-technical stakeholdersDemonstrated ability to work successfully in a remote environment while aligned with U.S. time zonesPreferred experience with frontend technologies such as React, Angular, or other modern JavaScript frameworksPreferred experience with CI/CD and DevOps tools such as Jenkins, GitHub Actions, GitLab CI, or Azure DevOpsPreferred familiarity with NoSQL databases such as MongoDB, DynamoDB, or RedisPreferred experience with monitoring and observability tools such as Prometheus, Grafana, ELK, Splunk, or DatadogPreferred knowledge of domain-driven design, event-driven architecture, DevSecOps, and infrastructure as code tools such as TerraformPreferred experience in regulated industries such as healthcare, finance, or enterprise SaaS environmentsBenefitsCompetitive compensationFlexible remote work aligned with U.S. time zonesOpportunity to work on high-impact platforms and mission-critical applicationsCollaborative, technically strong, and growth-oriented engineering environmentLong-term career growth and professional development opportunitiesOriginally posted on Himalayas