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Entrylevel Java Backend Developer Jobs in Massachusetts

Java Back End Developer

Needham Heights, MA · On-site

$55.50 - $72/hr

Seeking a Full Stack Developer with strong backend and systems-level development experience to ... Develop and maintain backend services and APIs using JAVA within Windows Server environments

For entry level Job seekers to get client interviews and jobs they need to differentiate themselves ... Currently, We are looking for entry-level software programmers, Java Full stack developers, Python ...

Entry-Level Software Programmer SYNERGISTIC wants every candidate to know we are always here to ... Currently, we are looking for entry-level software programmers, IT enthusiasts, Python/Java ...

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers/architects, we have them all. Experience writing high-quality, high-performance, maintainable Java, and ...

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers/architects, we have them all. You have: Experience writing high-quality, high-performance, maintainable ...

Senior Back-End Engineer Location: Cambridge, MA | In-Person About us We are a Seed Stage ... Python, JavaScript, TypeScript, Java, C++, Go APIs & RPCs: REST, gRPC, GraphQL Databases: SQL ...

Senior Back-End Engineer Location: Cambridge, MA | In-Person About us We are a Seed Stage ... Python, JavaScript, TypeScript, Java, C++, Go APIs & RPCs: REST, gRPC, GraphQL Databases: SQL ...

... Java, Kafka, Postgres, and AWS. • Collaborate with cross-functional partners across Product ... programming language such as Java, or demonstrated ability to quickly learn new backend ...

... Java, Kafka, Postgres, and AWS. • Collaborate with cross-functional partners across Product ... programming language such as Java, or demonstrated ability to quickly learn new backend ...

... Engineer I, you will contribute to the design, development, and maintenance of backend services ... Java, Kafka, Postgres, and AWS. • Collaborate with cross-functional partners across Product ...

... Engineer I, you will contribute to the design, development, and maintenance of backend services ... Java, Kafka, Postgres, and AWS. • Collaborate with cross-functional partners across Product ...

Java Developer

Boston, MA · On-site

$55.50 - $71.75/hr

Java Developer Location: Holyoke, MA (Onsite) (Local Only) Duration: 12+ Months Client is looking ... Responsibilities • Develop greenfield backend services using Java 17/21 on AWS Lambda • Enhance ...

... Java, Kafka, Postgres, and AWS. • Collaborate with cross-functional partners across Product ... programming language such as Java, or demonstrated ability to quickly learn new backend ...

Software Engineer I (Backend)

Boston, MA · On-site

$105K - $145K/yr

For those graduating in the fall of 2026 seeking entry level roles, we kindly ask that you check ... Proficiency in an object-oriented programming language such as Java, or demonstrated ability to ...

Software Engineer I (Backend)

Boston, MA · On-site

$105K - $145K/yr

For those graduating in the fall of 2026 seeking entry level roles, we kindly ask that you check ... Proficiency in an object-oriented programming language such as Java, or demonstrated ability to ...

Software Engineer I (Backend)

Boston, MA · On-site

$105K - $145K/yr

For those graduating in the fall of 2026 seeking entry level roles, we kindly ask that you check ... Proficiency in an object-oriented programming language such as Java, or demonstrated ability to ...

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Java Back End Developer

Java Back End Developer

InfoPeople

Needham Heights, MA • On-site

$55.50 - $72/hr

Other

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Job description

Seeking a Full Stack Developer with strong backend and systems-level development experience to support enterprise applications, API development, and cloud-based solutions. The role focuses on building scalable services, integrating payment systems, and working within AWS environments.
Key Responsibilities:

  • Develop and maintain backend services and APIs using JAVA within Windows Server environments
  • Design and optimize database solutions using Oracle DB and PL/SQL
  • Build and support cloud-based applications leveraging AWS (EC2, RDS, S3)
  • Implement and maintain secure, high-performance integrations (including payment gateways such as TSYS and Financial/EMV)
  • Develop Windows Services and background job processing components
  • Support multi-tenant application architectures and distributed systems
  • Work on low-level networking solutions including TCP/IP socket programming
  • Collaborate with cross-functional teams to modernize legacy .NET systems
  • Implement secure file transfer and encryption integrations (SFTP, RSA certificates)
  • Contribute to system scalability, performance tuning, and reliability improvements
Required Skills:
  • Strong experience with C#/.NET development
  • Expertise in Oracle DB and PL/SQL
  • Experience building Windows Server-based APIs
  • Hands-on experience with AWS services (EC2, RDS, S3)
Preferred Qualifications:
  • Experience with Windows Services and asynchronous/background processing
  • Knowledge of payment processing systems and POS/payment integrations
  • Familiarity with multi-tenant architecture design
  • Experience with TCP/IP socket programming
Nice to Have:
  • Experience with SFTP and RSA-based integrations
  • Exposure to legacy application modernization (especially .NET)
  • wareness of AI/ML integration strategies