60 junior java developer jobs at 32 companies in Gardner, MA
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Junior Data Engineer / ETL Migration Engineer
Smithfield or Bridgewater
$56k-$88k/yr HybridFull Time
ETL development with Informatica, database migration and analysis (Sybase, Postgres, SQL Server), Java-based data pipelines, CI/CD (Git, Jenkins, Docker), dimensional modeling, and Agile delivery experience.
Informatica, Sybase, SQL, Postgres, SQL Server, Java, Git, Jenkins, Docker, CI/CD
1mo
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Software Engineer II
Westford, Massachusetts, United States
$69k-$131k/yr OnsiteFull Time
2+ YOERequires 2+ years relevant experience, degree in STEM, Linux C++ and/or Java development experience, ability to obtain/maintain U.S. government security clearance (U.S. citizenship required).
C++, Java, Linux, PKI
3w
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Software Engineer III
Bethesda or Waltham
$112k-$176k/yr HybridFull Time
2+ YOEBackground in backend development with Java and Node.js, experience with Kafka, SQL Server/MongoDB, RESTful APIs, cloud (AWS/GCP), Docker/Kubernetes/ECS, Jira and VS Code; Masters+2yrs or Bachelors+4yrs.
Java, Node.js, NestJS, Kafka, SQL Server, MongoDB, Jira, VS Code, AWS, GCP, Docker, Kubernetes, ECS
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Software Engineer II
Waltham, Massachusetts, United States
$133k-$146k/yr HybridFull Time
2+ YOE2+ years professional software development experience; Bachelor’s in CS or equivalent; experience with Java, Spring Boot, React, REST APIs, PostgreSQL, AWS, Kubernetes, Git, and CI/CD; strong communication and problem-solving skills.
Java, Spring Boot, Kafka, PostgreSQL, AWS, Kubernetes, React, Git, CI/CD
1w
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Software Development Engineer II (ADBL183)
Cambridge, Massachusetts, United States
$144k-$194k/yr HybridFull Time
2+ YOEBachelor's in CS/Engineering/Mathematics or related plus 2 years software development; experience with Java/Python/C#/C++, Git, web technologies, cloud infrastructure, databases, LLMs, testing, security, and performance optimization.
Java, Python, C#, C++, Git, HTML, CSS, JavaScript, Typescript, RESTful APIs, AWS, AWS DynamoDB, PostgreSQL, MySQL, Oracle, Large language models (LLMs)
3w
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Entry Level Software Developer
North Andover, Massachusetts, United States
$65k-$75k/yr HybridFull Time
Bachelor's in Computer Science or related, experience with C#, Java or Python, attention to detail, team and individual contributor skills, leadership potential.
Windows, .NET, Linux, iOS, Android, C#, Java, Python
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AI Developer, AVP
Burlington, Massachusetts, United States
$90k-$158k/yr OnsiteFull Time
2+ YOEHands-on engineer with 2+ years building production AI systems: LLMs, RAG, agent frameworks, Python (plus Java/C#/TypeScript), cloud platforms (Azure preferred), Kafka/Event Hub, Redis/Hazelcast, and CI/CD practices.
LLMs, RAG, MCP, Python, Java, C#, TypeScript, Kafka, Event Hub, Redis, Hazelcast, Snowflake, Microsoft Azure, AWS, GCP, API Management, APIs, CI/CD, Agile, Scrum
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Software Engineer
Raleigh or Lowell
$96k-$154k/yr HybridFull Time
2+ YOE2+ years professional software engineering experience; Java or Rust experience; knowledge of Linux, PKI/cryptography, EMR not mentioned; experience with AI agents and strong English communication.
Java, Rust, Linux, Dogtag PKI, Red Hat Certificate System, AI agents, Scrum, JIRA, Python, Bash, CI/CD, OpenShift, AWS, Microsoft Azure, Fedora, RHEL
5d
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Software Development Engineer
Tewksbury, Massachusetts, United States
$84k-$105k/yr OnsiteFull Time
2+ YOEBachelor's degree in computer science, engineering, or software engineering; 2–4 years programming in C++ and Java; knowledge of data structures, operating systems, computer architecture, SNMP, and MS Office.
C++, Java, SNMP, Simple Network Management Protocol (SNMP), Microsoft Office
2w
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Test Engineer
Winston-Salem or New York City or Chicago or Cambridge
$71k-$119k/yr OnsiteFull Time
2+ YOEBachelor's degree or equivalent experience,2+ years software testing,manual and automated testing,knowledge of scripting (C#,Java,Python),experience with Selenium/Playwright,JMeter/K6,TestRail/JIRA/Azure DevOps/Bugzilla.
JIRA, Azure DevOps, Bugzilla, TestRail, Zephyr, C#, Java, Python, Selenium, Playwright, JMeter, K6, Git, Postman, SoapUI
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NLP/Linguistics Software Engineer
Somerville, Massachusetts, United States
HybridFull Time
2+ YOE2–4 years software engineering experience; proficiency in Java or Python; Bachelor's in Computer Science, Linguistics, or related; familiarity with Elasticsearch and interest in Kubernetes; strong problem solving and communication.
Java, Python, Elasticsearch, Kubernetes
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Software Engineer - Backend (Fall 26' Intern)
Natick, Massachusetts, United States
$28-$32/hr OnsiteInternship
Currently enrolled or recently graduated in CS/CE or similar; fluent in Java, C#, or C++; strong OOP and back-end development experience for Windows or Linux; wearable sensor experience useful; must show valid work eligibility.
Java, C#, C++, Windows, Linux
1mo
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NLP/Linguistics Software Engineer
Somerville or Reston or Boston or Cleveland or Australia or Canada or Israel or Japan or United Kingdom
$100k-$120k/yr HybridFull Time
2+ YOE2–4 years software engineering experience; proficiency in Java or Python; Bachelor's in Computer Science, Linguistics, or related; familiarity with Elasticsearch, Kubernetes, and cloud-native systems preferred; strong problem-solving and collaboration skills.
Java, Python, Elasticsearch, Kubernetes
2mo
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Software Engineer, Core Systems & Platform Services
Wilmington, Massachusetts, United States
$96k-$132k/yr HybridFull Time
0+ YOEBachelor's in Computer Science or related; 0–3 years professional software engineering experience; experience with robotics/automation; strong algorithms and data structures; proficiency in C#, Java, or Python; valid driver’s license; willingness to travel up to 10%.
C#, .NET, Java, Python
2d
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Software Engineer, Early Career, Campus
Mountain View or Cambridge or Kirkland or Los Angeles or New York City or Pittsburgh or San Bruno or Seattle or San Jose or Sunnyvale
$123k-$174k/yr OnsiteFull Time
Bachelor's degree or equivalent practical experience; software development in a named programming language, data structures or algorithms experience, and AI productivity tool experience.
Python, C, C++, Java, JavaScript, Unix/Linux
2mo
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Lead AI Engineer (AI Foundations, LLM Core and Agentic AI)
Cambridge or McLean or New York or San Jose or United States
$197k-$246k/yr OnsiteFull Time
2+ YOEBachelor's in CS/AI/EE/CE (4+ yrs) or Master's (2+ yrs). 4+ yrs programming in Python, Go, Scala, or Java. Experience with LLMs, model training/inference, vector search, cloud deployments, and AI system optimization.
AWS Ultraclusters, Huggingface, VectorDBs, Nemo Guardrails, PyTorch, Python, Go, Scala, Java, C++, C#, Golang, AWS, Google Cloud, Azure
3w
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Associate Application Engineer (HYBRID TO MA)
Worcester, Massachusetts, United States
$67k-$83k/yr HybridFull Time
3+ YOEBachelor's in CS or related field or 3+ years professional software development; knowledge of React.js, Java and Spring Boot; strong communication, problem solving, and observability skills; US work authorization required.
React.js, Java, Spring Boot, Kubernetes, Docker, GitHub Copilot, AWS, Azure, GCP
1mo
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Data Engineer
Acton, Massachusetts, United States
$80k-$100k/yr HybridFull Time
2+ YOE2+ years data engineering experience with production ETL pipelines; required Snowflake and SSIS experience; strong SQL and programming (Python/Java); data modeling and data quality expertise.
Snowflake, SSIS, Matillion, SQL, Python, Java
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Data Engineer
Acton, Massachusetts, United States
$80k-$100k/yr HybridFull Time
2+ YOE2+ years data engineering experience; hands-on Snowflake and SSIS; strong SQL and programming (Python or Java); experience building and supporting production ETL pipelines; data modeling and data quality practices.
Snowflake, SSIS, Matillion, SQL, Python, Java
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Entry Level Software Engineer
Hudson or Nashua or Merrimack
OnsiteFull Time
Bachelor's in CS/CE or related, proficiency in C/C++/Java/Python, working knowledge of OS and version control, eligible for US DoD security clearance.
C, C++, Java, Python, Windows, UNIX/Linux, Git, Bitbucket
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