Backend JAVA Engineer (REMOTE)(No C2C/H1B)

Overview

Remote
Depends on Experience
Contract - W2
Contract - 6 Month(s)

Skills

Java (backend
low-level coding)
Spring Boot
Linux-based Java development
High-performance systems
High-availability software
Memory leak debugging
Garbage collection tuning
SQL databases (SingleStore)
NoSQL databases (Cassandra
Solr)
Messaging systems (Kafka
Kafka Streams
RabbitMQ)
Network programming (SMP
TCP/IP
Sockets)
Distributed systems
Ansible (deployment)
Maven (build tool)
IntelliJ IDEA (or Eclipse)
GitBucket (or similar Git-based version control)
Cloud technologies (preferred)
Apache Ignite (preferred)
FTP
TFTP
ACP
Event-driven architecture
Stream processing

Job Details

No C2C/H1B

Java backend developer experience is a must; all others will be rejected.

Please note that this is a 6-month contract position with possibility to extend.

A coding exercise to validate technical skills will be on the 1st interview with client.
 

Remote Work Considerations:

  • While we prefer candidates to work onsite, we are open to remote candidates as long as they can commit to core working hours in US Eastern Time.

  • Location: Lowell, MA (preferred onsite) - if candidate in Lowell, MA role will be onsite.

Candidate Considerations:

  • We are looking for candidates with strong software development skills and the ability to write clean, efficient, and maintainable code.
  • The ideal candidate should be able to debug and optimize legacy systems, particularly focusing on memory leaks and garbage collection issues.
  • Candidates should be considerate when making coding changes or adding new features to a legacy system, as daily challenges involve maintaining system stability and efficiency, similar to those faced in banking software.
  • Although we would prefer candidates familiar with DOCSIS or network hardware from an SMP perspective, this is not a requirement.
  • A candidate with strong software development expertise will be sufficient.

Required Skills & Qualifications:

  • Strong proficiency in Java, specifically backend development with a focus on low-level coding.
  • Experience with Linux-based Java programming.
  • Knowledge of high-performance backend systems and the ability to work on high-availability software.
  • Familiarity with Python is a plus, though not required.
  • Experience with relational databases such as SingleStore, SQL.
  • Proficiency in non-relational databases, particularly Cassandra and Solr.
  • Experience with messaging systems such as RabbitMQ, Kafka, and Kafka Streams.
  • Knowledge of network programming protocols (e.g., SMP, TCP/IP, Sockets, etc.) is desirable.
  • Strong understanding of distributed systems and large-scale software development.
  • Ability to work with Spring Boot and other frameworks for distributed data processing.
  • Experience with Apache Ignite is a plus.
  • Exposure to cloud technologies preferred.
  • Experience in network management and knowledge of networking principles is a plus, especially for roles in finance, telecom, or related fields.

Technical Tools & Version Control:

  • We use GitBucket for version control. Familiarity with GitBucket is preferred, but candidates with experience using other version control systems (e.g., Git, SVN) should be able to transition easily.
  • For development, we use Maven and IntelliJ IDEA (though Eclipse is also acceptable).
  • Deployment is handled with Ansible.

Preferred Qualifications:

  • Previous experience in network programming and low-level network protocols (SMP, TCP/IP).
  • Experience in working with large-scale, distributed software systems.
  • Familiarity with message brokers, event-driven architectures, and stream processing.
  • Familiarity with Cable and FTTH networks, DOCSIS, or PON is a plus.

Additional Skills (Nice to Have):

  • Exposure to cloud-based technologies and architectures.
  • Experience in designing and optimizing high-traffic backend systems.
  • Ability to troubleshoot, debug, and optimize complex backend applications.

Key Responsibilities:

  • Develop and maintain backend services using Java, with an emphasis on low-level coding and high-performance systems.

  • Work on high-availability Java-based software to ensure efficient performance and reliability.

  • Collaborate with cross-functional teams to design, implement, and optimize backend systems.

  • Implement network programming techniques (SMP, TCP/IP, Sockets) for system layers close to hardware.

  • Utilize Spring Boot-based modules in distributed networks for heavy data processing.

  • Participate in the integration and management of messaging bus technologies such as RabbitMQ, Kafka, and Kafka Streams.

  • Manage and interact with both relational databases (SingleStore) and non-relational databases (Cassandra, Solar) for different system components.

  • Handle networking tasks, including FTP, TFTP, ACP, and other protocols.

  • Contribute to the overall architecture and performance tuning of backend systems.

  • Ensure adherence to best practices in Linux-based Java development and backend architecture.

Applicants must provide their phone number. Reference job number A4721.

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