37 backend development engineer jobs at 18 companies in Durham, NH
2mo
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Senior Backend Engineer – AI Platform
Boston or San Francisco or Seattle or Dallas or Salt Lake City or Portland or United States
$122k-$146k/yr RemoteFull Time
5+ YOEBachelor's in CS/Software Engineering, 5–8 years software engineering experience; expertise in backend Java/C# (SpringBoot), REST/gRPC, SQL; experience building scalable distributed systems and AI/LLM-driven services.
Java, C#, SpringBoot, REST, gRPC, ODATA, SQL, OpenAI APIs, LangChain, Python, Kafka, Docker, Kubernetes, Model Context Protocol (MCP), Pinecone, Weaviate, OpenSearch, Milvus
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)
1mo
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Java Backend Engineer - Onsite/Hybrid
Merrimack, New Hampshire, United States
$66/hr HybridFull Time
10+ YOEBachelor's degree or equivalent in technology, 10+ years Java experience, 6+ years Spring, 5+ years cloud technologies, and experience with APIs, microservices, databases, CI/CD, testing, and SRE practices.
Java, Spring, Spring Boot, Microsoft Azure, RabbitMQ, Kafka, Service Bus, Oracle, PostgreSQL, REST API, Jenkins, JUnit, Cucumber, Selenium
1mo
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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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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
1mo
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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
2d
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Confluent - Senior Software Engineer - Backend
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
$111k-$207k/yr RemoteFull Time
2+ YOERequires a bachelor's degree and 2–5 years building distributed backend systems, proficiency in Go, Java, or C++, cloud and Kubernetes experience, and knowledge of networking, operating systems, and storage.
Go, Java, C++, Kubernetes
1w
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Engineering Specialist - Back End Days
Lowell, Massachusetts, United States
$37-$50/hr OnsiteFull Time
0+ YOEBachelor's degree in engineering, materials science, or physics; 0–3 years of process development or manufacturing experience; thin-film processing and semiconductor equipment experience; Python, SQL, or JMP proficiency.
Python, SQL, JMP, FIB, RIE, ICP, CAIBE, PECVD, IBE, SEM
1mo
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Software Developer II
Westbrook or Maine or New Hampshire or Massachusetts
$90k-$100k/yr HybridFull Time
2+ YOERequires 2–4+ years of software engineering experience, frontend and backend development, NodeJS or Java, JavaScript/TypeScript, React, AWS, SQL, CI/CD, monitoring, and Agile Scrum experience.
NodeJS, Java, JavaScript, TypeScript, React, AWS, RDS, DynamoDB, API Gateway, Lambda, S3, SQL, Datadog, AWS CloudWatch, GitHub, AWS CodePipeline
1mo
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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
2w
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Software Engineering & Development, Off
Burlington, Massachusetts, United States
$70k-$119k/yr OnsiteFull Time
Requires a bachelor's or master's degree or equivalent experience, strong Java engineering, enterprise backend or microservices experience, Spring Boot, SQL, automated testing, debugging, Agile/Scrum, and strong communication skills.
Java 17, Gradle, Spring Boot, Spring Cloud, Spring Integration, Spring Cloud Stream, Azure Service Bus, SQL Server, Snowflake, JUnit 5, JaCoCo, SonarQube, Kubernetes, Helm, Skaffold, Argo CD, Jib, CI/CD
2d
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Application Developer
Patna or Billerica or Europe or Asia
OnsiteFull Time
3+ YOERequires 3–8 years of backend development experience with Node.js, Express.js or Fastify, PostgreSQL, SQL, REST APIs, microservices, Git, security, debugging, and distributed systems.
Node.js, Express.js, Fastify, PostgreSQL, REST APIs, Microservices Architecture, SQL, Redis, Kafka, RabbitMQ, BullMQ, Docker, Kubernetes, CI/CD, Git
3w
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Software Engineer
Andover, Massachusetts, United States
$105k-$135k/yr HybridFull Time
1+ YOE1–5 years software development experience; proficiency in React and backend development (Go, Node.js, or .NET/C#); experience with MongoDB and SQL Server, REST APIs, Git workflows, AWS, and AI coding tools; strong problem-solving and communication.
React, Go, MongoDB, AWS, .NET/C#, SQL Server, Node.js, GitHub Copilot, Cursor, Claude, Git, Docker, Kubernetes, EC2, S3, Lambda, RDS, CloudWatch, LLM APIs
2d
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Senior Software Engineer
Burlington, Massachusetts, United States
$149k-$224k/yr OnsiteFull Time
Backend development with Java, Golang, or Python; cloud deployment; observability and Kubernetes; CI/CD; APIs; databases; SaaS; Scrum; and a BS or MS in computer science or equivalent.
Java, Golang, Python, AWS, GCP, Azure, Kubernetes, Spinnaker, Jenkins, ArgoCD, Helm, Terraform, Maven, Gradle, SQL, NoSQL, Spring Framework, Scrum
4w
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Staff Software Engineer
St. Louis or Burlington
$111k-$166k/yr HybridFull Time
3+ YOEBachelor's in CS/Engineering/Data Science, 3+ years in ML/data/search systems, strong Python, backend and data engineering experience, SQL, cloud (GCP/AWS), and production ML/LLM system design.
Python, REST API, Pandas, NumPy, MLFlow, TensorFlow, PyTorch, Scikit-learn, AWS Services, GCP, Kubernetes, Bedrock, Kafka, LangGraph, LangChain, AirFlow, Qdrant, Docker, Git, CI/CD, SQL
1mo
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Staff Software Engineer
St. Louis or Burlington
$111k-$166k/yr HybridFull Time
3+ YOEBachelor's degree in a quantitative field and 3+ years in machine learning, data science, search relevance, or ranking systems; strong Python, backend, data engineering, and AI systems expertise.
Python, MLFlow, TensorFlow, PyTorch, scikit-learn, RESTful APIs, SQL, Google Cloud Platform (GCP), AWS, Docker, Git, Kubernetes, Bedrock, Kafka, LangGraph, LangChain, AirFlow, Qdrant, Pandas, NumPy, Claude
3w
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Autonomy Algorithms Senior Software Engineer
Woburn or Arlington or Dayton
$134k-$184k/yr HybridFull Time
5+ YOEAbility to obtain U.S. security clearance; BS in CS or related with 5+ years experience; 3+ years C++ or Java; experience developing autonomy algorithms, backend systems, Agile practices, and mentoring engineers.
C++, Java, JIRA, Confluence, Gitlab, MAVLINK, ROS, TAK, Python
3w
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Staff Software Engineer
Burlington or St. Louis
$111k-$166k/yr HybridFull Time
3+ YOEBachelor’s degree in a quantitative field, 3+ years in machine learning, data science, search relevance, or ranking systems, and expertise in Python, backend systems, data engineering, and AI/LLM production systems.
Python, MLFlow, TensorFlow, PyTorch, Scikit-learn, REST API, Pandas, NumPy, AWS, Google Cloud Platform (GCP), Docker, Git, Kubernetes, Bedrock, Kafka, LangGraph, LangChain, AirFlow, Qdrant, SQL, NoSQL, CI/CD, Claude
3mo
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Software Engineer, Generalist (C++/Python)
Boston or Billerica
$140k-$180k/yr OnsiteFull Time
3+ YOE3+ years professional software engineering; strong C++17; Python a plus; backend systems and data pipelines experience; on-site manufacturing focus.
C++ 17, Python, Backend systems, Data pipelines, Containers, AWS
2mo
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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