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Entrylevel Java Backend Developer Jobs in Massachusetts

Java Back End Developer

Needham, MA · On-site

$55 - $71.25/hr

InfoPeople Corporation is seeking a Full Stack Developer with strong backend and systems-level ... Responsibilities : • Develop and maintain backend services and APIs using JAVA within Windows ...

We are looking for an experienced back-end developer who is passionate about building products that ... Java, PHP, C/C++, C#, Objective C, Python, Golang * A solid understanding of software construction

$80 - $120/hr

Collaborate with platform, DevOps, and GIS teams to translate requirements into production ... Hands-on experience developing backend services using Python, JavaScript/Node.js, and Java

Junior Backend Engineer

Boston, MA · On-site

$65 - $95/hr

Entry Level Boston, MA · Bedford, MA · Springfield, NJ $65-95k/year About the role As a Junior ... Design and develop RESTful APIs and backend services using Python or Java * Write clean, well ...

Senior Software Engineer Job Type: Contractor (~15 hours/week) Location: Remote Job Summary We are ... Strong proficiency in Python 3, Java, Rust, C++, or TypeScript . * Strong understanding of ...

Senior Software Engineer Job Type: Contractor (~15 hours/week) Location: Remote Job Summary We are ... Strong proficiency in Python 3, Java, Rust, C++, or TypeScript . * Strong understanding of ...

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 ...

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 ...

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 ...

Requirements Qualifications • A degree (or near completion) in Computer Engineering, Computer Science, or a related field. • Proficiency in backend programming languages such as Java, C#, or C ...

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 ... Develop greenfield backend services using Java 17/21 on AWS Lambda * Enhance existing applications ...

... 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 ...

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 ...

... 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 ...

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Java Back End Developer

InfoPeople Corporation

Needham, MA • On-site

$55 - $71.25/hr

Full-time

Re-posted 27 days ago


Job description

Job Summary:
InfoPeople Corporation is seeking a Full Stack Developer with strong backend and systems-level development experience to support enterprise applications. The role focuses on building scalable services, integrating payment systems, and working within AWS environments.
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
Qualifications:
Required:
• 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:
• 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
• Experience with SFTP and RSA-based integrations
• Exposure to legacy application modernization (especially .NET)
• Awareness of AI/ML integration strategies
Company:
InfoPeople Corporation provides staffing services and software solutions. Founded in 1998, the company is headquartered in New York, USA, with a team of 201-500 employees. The company is currently Growth Stage.