89 junior java developer jobs at 47 companies in Middleton, MA
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Software Development Engineer II, Developer Experience Architecture
Boston, Massachusetts, United States
$112k-$141k/yr HybridFull Time
2+ YOE2+ years full‑stack software development including ≥1 year Java, experience with cloud-native systems, authentication (OAuth2/OIDC) exposure, testing and observability, and a BS in Computer Science or equivalent.
Claude Code, Keycloak, OAuth2, OIDC, Java, Spring Boot, AWS, Kubernetes, React, Node, Remix, MCP
2mo
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Software Engineer I (Backend)
Boston, Massachusetts, United States
$105k-$145k/yr OnsiteFull Time
0+ YOEBackend software development experience; REST APIs, SQL (Postgres); Java; Git; CS fundamentals; distributed systems; AWS.
Java, Kafka, Postgres, AWS, Git
1mo
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Software Development Engineer
Plzeň or Foxborough
Kč70k-Kč120k/mo HybridFull Time
2+ YOEMaster's degree required, 2+ years professional software development experience, proficiency with at least one language (Python, JavaScript, C#, Java), Git, cloud/containerization concepts, and strong communication and problem-solving skills.
Python, JavaScript, C#, Java, Git, GEN AI
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
1mo
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Software Engineer
Colorado Springs or Boston
HybridFull Time
1+ YOEUS citizen with active Secret clearance, B.S. in a STEM field, 1+ years software development experience; proficiency in TypeScript/Python/Java/C++/Rust/Julia, React, REST APIs, and writing tested, maintainable code.
TypeScript, Python, Java, C++, Rust, Julia, React, Cesium, Resium, Electron, MATLAB, NumPy, SciPy, GeoJSON, CZML, React Testing Library
2mo
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Software Development Engineer in Test
Boston or San Francisco or Windsor
HybridFull Time
2+ YOEBS in CS or related, 2+ years software development experience, proficiency in Python/Java/Java Script/SQL, CI/CD and GIT experience, testing framework design, system and data security knowledge.
Python, Java, Java Script, SQL, CI/CD, GIT, BDD, Playwright, Locust, ETL, AI Tools & Technologies
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
1mo
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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
1mo
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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
1mo
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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
3d
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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
1w
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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
1mo
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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
1mo
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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
1w
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AI Platform Engineer
Boston or Springfield or New York City
$105k-$138k/yr HybridFull Time
2+ YOEBachelor's in CS or related field, foundational cloud knowledge (AWS/GCP/Azure), 2+ years programming experience (Python/Go/Java), Git familiarity, and curiosity about AI/ML systems.
Python, Go, Java, Git, Docker, Kubernetes, Terraform, AWS, GCP, Azure, Degreed, LLM APIs
5d
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Software Engineer II- User Systems
Boston, Massachusetts, United States
$94k-$125k/yr HybridFull Time
1+ YOEBachelor's or 1–2 years experience, proficiency with one or more languages (JavaScript/TypeScript,Rust,Java,Go,Python,C#), familiarity with Agile/DevOps, and willingness to participate in on-call rotation.
JavaScript/TypeScript, Rust, Java, Go, Python, C#, Scrum, Kanban, DevOps
1mo
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2027 Early Career Software Engineer
Atlanta or Boston or Costa Mesa or Irvine or Seattle
$112k-$149k/yr OnsiteFull Time
0+ YOEPursuing or recently completed BS/MS in CS or related field; able to start full-time in 2027; proficiency in C++, Go, Rust, Java, Python; familiarity with algorithms, data structures, storage, cloud, and front-end frameworks; must be a U.S. Person.
C++, Go, Rust, Java, Python, Lattice OS
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