26 backend developer jobs at 15 companies in Athol, MA
3mo
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Java Backend Engineer
Merrimack, New Hampshire, United States
$88k-$153k/yr OnsiteFull Time
6+ YOE6+ years backend Java experience with Spring/Spring Boot, API/microservices design, Oracle/DB2 and PL/SQL, CI/CD with Git/Jenkins/uDeploy, DevOps tooling; bachelor's degree required.
Java, Spring, Spring Boot, PL/SQL, Oracle, DB2, Git, Jenkins, uDeploy, Sonar, HP Operations Orchestration, ServiceNow, HP Service Manager, RESTful (Rest-APIs)
4w
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Java Backend Engineer (Onsite Hybrid)
Merrimack, New Hampshire, United States
$97k-$145k/yr HybridFull Time
10+ YOE10+ years Java experience, 6+ years Spring/Spring Boot, 5+ years cloud (Microsoft Azure preferred), 6+ years REST/microservices, CI/CD, database and testing tool experience.
Java, Spring, Spring Boot, Microsoft Azure, RabbitMQ, Kafka, Service Bus, Oracle, Postgres, Jenkins, JUnit, Cucumber, Selenium
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
3w
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Backend C2 Systems Full Stack Developer
Hanscom AFB or Hampton
$113k-$257k/yr OnsiteFull Time
8+ YOE8+ years software development experience including backend/services, microservices, relational and NoSQL datastores, message/streaming platforms, containerization, frontend (React), CI/CD, and eligibility for Secret clearance.
Java, .NET, C#, Python, Go, Kafka, React, AWS, Kubernetes, Prometheus, Grafana, OpenTelemetry
3w
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Backend C2 Systems Full Stack Developer
Hanscom Air Force Base, Massachusetts, United States
$113k-$257k/yr HybridFull Time
8+ YOE8+ years software development experience with backend services and microservices; experience with server-side languages, data stores, messaging, containerization, CI/CD, and secure service design; ability to obtain Secret clearance.
Java, .NET, C#, Python, Go, Kafka, React, CI/CD, AWS, Kubernetes, Prometheus, Grafana, OpenTelemetry, mTLS, OAuth2, OIDC, API gateway, service mesh
5d
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Senior Software Engineer - Backend Python
Nashua, New Hampshire, United States
$97k-$165k/yr OnsiteFull Time
6+ YOEBachelor's in CS or related, 6+ years backend Python experience, mastery of Python 3.x and AsyncIO, gRPC/Protobuf, Docker/Kubernetes, PostgreSQL, and ability to obtain U.S. Secret clearance.
Python, AsyncIO, gRPC, Protocol Buffers (Protobuf), FastAPI, Flask, Django, PostgreSQL, SQLAlchemy, Docker, Kubernetes, Kafka, RabbitMQ, Redis, C#, OAuth2, JWT
2w
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Senior Staff Software Engineer
Austin or Nashua or Minneapolis
OnsiteFull Time
10+ YOEBachelor's or equivalent,10+ years software development,7+ years backend,distributed systems and SQL expertise,Java preferred,cloud-native and query engine/DSL experience.
NetScript, Java, Snowflake, BigQuery, Redshift, Databricks, SQL
1mo
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Application Engineer (HYBRID TO MA)
Worcester, Massachusetts, United States
$82k-$105k/yr HybridFull Time
3+ YOEBachelor's in CS/CE, 3+ years software development, US work authorization without sponsorship, strong SDLC knowledge, problem solving, communication, and experience with backend, frontend, AI integrations, Azure, containers, and CI/CD.
Java, Spring Boot, Microservices architecture, RESTful APIs, React, Angular, HTML, CSS, JavaScript, TypeScript, MySQL, PostgreSQL, SQL Server, Oracle (12c+), CosmosDB, Jenkins, GitHub Actions, Dynatrace, AppDynamics, New Relic, Python, Bash, Azure AI Foundry, Azure OpenAI, Cognitive Services, Microsoft Azure, App Services, Function Apps, Application Insights, Managed Identity, Redis, Ehcache, Docker, Kubernetes, CI/CD
1mo
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Software Engineer
Cambridge or Concord
$110k-$120k/yr HybridFull Time
5+ YOE5+ years software engineering experience, strong Java skills, API and SQL/MySQL experience, ability to design and deliver backend systems, cross-functional collaboration, mentoring, and CS degree or equivalent.
Java, RESTful APIs, SQL, MySQL, JavaScript, React, HTML, CSS
2mo
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Senior Engineer, Software Infrastructure
Wilmington, Massachusetts, United States
$110k-$152k/yr OnsiteFull Time
Experience in web frontend/backEnd, React, TypeScript, Node.js REST APIs, Backstage, Git/GitHub, Docker, cloud (AWS/Azure/GCP), testing (Jest/Playwright/Cypress), CI/CD, SBOMs, Agile software development.
React, TypeScript, JavaScript, Node.js, REST APIs, Backstage, Git, GitHub, Docker, AWS, Azure, GCP, Jest, Playwright, Cypress, CI/CD, SBOMs
1mo
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Senior Java Full Stack Developer – Python & Angular (Hybrid)
Westborough, Massachusetts, United States
$65k-$112k/yr HybridFull Time
7+ YOE7+ years experience; strong Java backend, Angular front-end, and Python skills; Oracle/PLSQL; OOP; AI-assisted development tools; test automation; Git; Agile tools (JIRA, Zephyr Scale, Confluence); must be authorized to work in the US.
AI-assisted development tools, Java, Angular, Python, Oracle, PL/SQL, Git, JIRA, Zephyr Scale, Confluence
23h
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Senior Engineer -Artificial Intelligence
Marlborough, Massachusetts, United States
$120k-$130k/yr OnsiteFull Time
8+ YOEBachelor's degree required; experience building AI systems, backend services, cloud integrations, APIs, CI/CD pipelines, and production-grade software in Agile/DevOps environments.
Azure, Agile, Scrum, DevOps, CI/CD
1mo
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Drupal and Integrations Developer
Northampton, Massachusetts, United States
$98k-$133k/yr OnsiteFull Time
5+ YOEBachelor's in CS/Engineering required; 5+ years Drupal backend and integrations experience; knowledge of Drupal 10+, REST APIs, JSON, OAuth; proficiency with Drupal, JavaScript, PHP, Composer, and Git; preferred master's and 8+ years with WordPress and API/ETL work.
Drupal 10+, REST APIs, JSON, OAuth, Salesforce, Slate, Workday, Technolutions Slate CRM, JavaScript, React, PHP, Composer, Git, GA4, Pantheon, WordPress, Salesforce Marketing Cloud, CI/CD, ETL
1mo
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Machine Learning Engineer
Manchester, New Hampshire, United States
OnsiteFull Time
6+ YOEM.S. in CS/AI, 6+ years backend/distributed systems experience, strong Java (Spring Boot, Spring MVC, Hibernate) and Python skills, production ML (PyTorch), Apache Kafka/Spark/ZooKeeper, databases (Oracle, IBM Db2, MSSQL, MongoDB), cloud (AWS).
Java, Spring Boot, Spring MVC, Hibernate, Python, PyTorch, Apache Kafka, Apache Spark, ZooKeeper, REST, SOAP, Oracle, IBM Db2, MSSQL, MongoDB, AWS
4d
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Staff Software Engineer - Confluent Kafka Storage
Poughkeepsie or Lowell or Rochester or Tucson or Research Triangle Park or Armonk or Boston or Bellevue or Atlanta or San Jose or Dallas or Austin or San Francisco or Seattle or New York City
$161k-$299k/yr HybridFull Time
10+ YOE10+ years backend/infrastructure experience; BS in CS or equivalent; expertise in Java/Scala/C/C++/Go; deep knowledge of distributed storage systems, systems-level concepts, and leadership/mentoring skills.
Java, Scala, C/C++, Go, Apache Kafka, Apache Iceberg, Apache Flink, AWS, Azure, GCP, Kora
1mo
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Principal Software Engineer, Contact Center Digital Engagement Services
Durham or Merrimack or Westlake
OnsiteFull Time
10+ YOE10+ years engineering experience, 5+ years with Java and Spring Boot, experience designing backend architecture, real-time communication tech, cloud-native microservices, secure engineering, and mentoring; Master’s degree preferred or equivalent experience.
Java, Spring Boot, Asterisk, FreeSWITCH, Kamailio, WebRTC, SIP, RTP, Matrix, Rocket.Chat, IVR, WebSockets, Server-Sent Events, CI/CD, GitHub Copilot, Claude Code, OpenAI Codex
5d
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Senior Java Full Stack Developer – Python & Angular (Hybrid)
Westborough or Boston
$65k-$112k/yr HybridFull Time
7+ YOE7+ years experience building enterprise applications; strong Java backend, Python scripting, Angular frontend, Oracle/PL/SQL, test automation, DevOps and Agile tool experience; must be authorized to work in the US without sponsorship.
Java, Python, Angular, Oracle, PL/SQL, Git, JIRA, Zephyr Scale, Confluence
2mo
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Full-Stack GUI Software Developer (Merrimack, NH, US)
Merrimack or Massachusetts or Pennsylvania or Minnesota or Texas or Arizona or Oregon or California
$101k-$150k/yr RemoteFull Time
6+ YOE6+ years experience building full-stack, cloud-native GUI applications; expertise with modern JS frameworks, GUI automation, backend services, CI/CD, and AI/ML integration in networking and data center contexts.
React, Vue.js, Angular, Playright, Cypress, Selenium, Node.js, JavaScript, Python, Go, SONiC, OpenBMC, Kubernetes, Docker, SPyTest, Claude Code, GitHub Actions, Azure DevOps, Jenkins, IXIA
1w
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Software Engineer
Westford, Massachusetts, United States
$106k-$177k/yr HybridFull Time
5+ YOE5+ years full-stack web application experience with frontend Vue 3/Pinia/Apollo/Vite and backend .NET/ASP.NET Core/C#; GraphQL, PostgresSQL/SQL, microservices, cloud platforms, Docker/Kubernetes, Git/Bitbucket; strong architecture and communication skills.
Vue 3, Pinia, Apollo, Vite, .NET Framework, ASP.NET Core, C#, GraphQL, PostgresSQL, SQL, GCP, AWS, Microsoft Azure, Docker, Kubernetes, Linux, .NET MAUI, Git, Bitbucket, GitHub Copilot, Claude
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