17 backend engineer jobs at 12 companies in New Hampshire

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Backend Software Engineer
Portsmouth or Boston or Plano or Indianapolis or Columbus
HybridFull Time
Liberty Mutual
Liberty Mutual: Diversified global insurer providing property, casualty, and life coverage.
3+ YOEBachelor's or master's degree in a technical discipline or equivalent experience; 3+ years of backend engineering; Java, Spring Boot, APIs, microservices, cloud, Agile, CI/CD, and DevOps experience.
Java, Spring Boot, REST, AWS, Azure, Google Cloud, NodeJS, J2EE, Kafka, DataDog, Splunk, GitHub Copilot, Pact, CI/CD, DevOps, Scrum, Kanban, XP
4mo
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Java Backend Engineer
Merrimack, New Hampshire, United States
$88k-$153k/yr OnsiteFull Time
CGI
CGITSX: GIB.A: Global IT consulting and business services firm.
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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Senior Manager, Backend Services
New York City or Los Angeles or Chicago or Stamford or California or Connecticut or Florida or Georgia or Illinois or Indiana or Maryland or Massachusetts or Michigan or Minnesota or Nevada or New Hampshire or New Jersey or New York or North Carolina or Oregon or South Carolina or South Dakota or Texas or West Virginia or Wisconsin or Wyoming
$179k-$210k/yr HybridFull Time
A+E Networks
A+E Networks: Private global media producing and distributing television, documentary, scripted, and digital entertainment worldwide.
7+ YOE2+ Mgmt7+ years backend engineering, 2+ years engineering management, GraphQL and REST API design, Node.js and cloud-native experience, CI/CD, Docker/Kubernetes, strong communication and leadership.
GraphQL, Apollo, Hasura, REST, Node.js, AWS, GCP, Azure, CI/CD, Docker, Kubernetes, Pulumi, SQL, NoSQL, GitHub Copilot, Claude Code, Stripe, PayPal, Recurly, Auth0, Cognito, LoginRadius, Kafka, SNS, SQS
4mo
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Backend Developer (Golang / Java | Microservices)
Merrimack or Westlake
$81k-$194k/yr OnsiteFull Time
CGI
CGITSX: GIB.A: Global IT consulting and business services firm.
6+ YOE6+ years IT experience with strong Golang and/or Java (Spring Boot), microservices, Docker/Kubernetes, SQL/NoSQL, Git and CI/CD, REST/gRPC, cloud platforms, and strong communication skills.
Cucumber, Docker, GIT, Go, Kubernetes, Microservices, Microsoft SQL Server, NoSQL, Spring Boot, Java, Prometheus, gRPC, RESTful APIs, PostgreSQL, MongoDB, Kafka, RabbitMQ, AWS, Azure, GCP
1mo
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Java Backend Engineer (Onsite Hybrid)
Merrimack, New Hampshire, United States
$97k-$145k/yr HybridFull Time
NTT DATA
NTT DATATokyo Stock Exchange: 9613: Global digital business and IT services provider.
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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Java Backend Engineer - Onsite/Hybrid
Merrimack, New Hampshire, United States
$66/hr HybridFull Time
NTT DATA
NTT DATATokyo Stock Exchange: 9613: Global digital business and IT services provider.
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
4w
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Senior Software Engineer - Backend Python
Nashua, New Hampshire, United States
$97k-$165k/yr OnsiteFull Time
BAE Systems
BAE SystemsLSE: BA.: Global defense, aerospace, and security technology.
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
1mo
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Principal AI Engineer
St. Petersburg or Alabama or Arizona or Florida or Georgia or Hawaii or Idaho or Louisiana or Maine or Maryland or Missouri or Montana or New Hampshire or New Jersey or New Mexico or New York or North Carolina or Oklahoma or Oregon or Texas or Utah or Virginia or West Virginia or Wisconsin
$180k-$200k/yr HybridFull Time
The HOTH
The HOTH: Digital marketing providing SEO, content marketing, and link-building services to businesses and agencies.
10+ YOE10+ years building production software and production AI applications; strong Python and AWS experience; ability to work across frontend, backend, cloud, and AI systems; debugging and architecture skills.
React, Next.js, TypeScript, Tailwind CSS, Python, Django, FastAPI, PostgreSQL, Redis, OpenAI, Anthropic, Gemini, RAG, vector databases, embeddings, AWS, ECS/Fargate, S3, Lambda, Terraform, Docker, Cloudflare, CI/CD
2w
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Senior Engineer - Observability Platform
Rhode Island or Mississippi or Montana or North Carolina or Louisiana or Maryland or Maine or Minnesota or Nebraska or Missouri or North Dakota or New York or New Jersey or New Mexico or Nevada or Ohio or South Carolina or Texas or South Dakota or Vermont or Tennessee or Virginia or Washington or Utah or Wisconsin or West Virginia or Oregon or Wyoming or Oklahoma or Pennsylvania or Colorado or Alabama or Arizona or California or Connecticut or District of Columbia or Florida or Iowa or Arkansas or Idaho or Illinois or Kansas or Delaware or Georgia or Indiana or Kentucky or Michigan or Massachusetts or New Hampshire
$83k-$222k/yr RemoteFull Time
CVS Health
CVS HealthNYSE: CVS: Diversified healthcare integrating retail, pharmacy, and insurance services.
5+ YOERequires 5+ years software engineering, 3+ years observability, Go or Java backend services, OpenTelemetry, Docker, Kubernetes, Argo CD, public cloud, Terraform or CloudFormation, and distributed pipelines.
Go, Python, Java, Spring Boot, OpenTelemetry, OTLP, Docker, Kubernetes, Argo CD, AWS, GCP, Azure, Terraform, CloudFormation, Helm, Kustomize, Grafana OSS, Grafana, Loki, Tempo, Mimir, PostgreSQL, MySQL, Envoy, Istio, Datadog, New Relic, AppDynamics, OpsGenie, PagerDuty, GoAlert, Kafka, Pulsar, ClickHouse, Bigtable, Cassandra, CI/CD
1mo
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Senior Staff Software Engineer
Austin or Nashua or Minneapolis
OnsiteFull Time
Optimizely
Optimizely: Optimizely is the AI platform for marketing, built for the experience-makers who shape how brands show up in the world.
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
4d
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Machine Learning Engineer
Manchester, New Hampshire, United States
OnsiteFull Time
DEKA Research & Development
DEKA Research & Development: Private research-and-development firm designing medical devices, robotics, and healthcare technologies.
6+ YOEM.S. in Computer Science, AI, or related field; 6+ years in backend engineering and distributed systems; expertise in Java, Python, production ML models, streaming, databases, and cloud platforms.
Java, Spring Boot, Spring MVC, Hibernate, Python, PyTorch, Apache Kafka, Apache Spark, ZooKeeper, REST, SOAP, Oracle, IBM Db2, MSSQL, MongoDB, AWS
2mo
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Software Engineer - Integrations
Manchester or Canada or United Kingdom or Alabama or Arizona or California or Colorado or Connecticut or District of Columbia or Florida or Georgia or Iowa or Idaho or Illinois or Indiana or Kansas or Massachusetts or Maryland or Maine or Michigan or Minnesota or Missouri or North Carolina or Nebraska or New Hampshire or New Jersey or New Mexico or New York or Ohio or Oklahoma or Oregon or Pennsylvania or South Carolina or Tennessee or Texas or Utah or Virginia or Vermont or Washington or Wisconsin or West Virginia
£50k-£80k/yr HybridFull Time
Mark43
Mark43: Cloud-native public safety software provider serving government agencies with dispatch, records, analytics, and mobile tools.
3+ YOE3+ years backend software engineering with distributed systems and integrations; experience designing/operating APIs, webhooks or messaging systems; familiarity with Java, TypeScript/JavaScript, REST, SQL/MySQL; strong communication skills; must be authorized to work in the hiring country.
Java, TypeScript, JavaScript, REST, SQL, MySQL, CI/CD, Claude Code Enterprise
2mo
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Staff Software Engineer - Search / AI
Rhode Island or Mississippi or Montana or North Carolina or Louisiana or Maryland or Maine or Minnesota or Nebraska or Missouri or North Dakota or New York or New Jersey or New Mexico or Nevada or Ohio or South Carolina or Texas or South Dakota or Vermont or Tennessee or Virginia or Washington or Utah or Wisconsin or West Virginia or Oregon or Wyoming or Oklahoma or Pennsylvania or Colorado or Alabama or Arizona or California or Connecticut or District of Columbia or Florida or Iowa or Arkansas or Idaho or Illinois or Kansas or Delaware or Georgia or Indiana or Kentucky or Michigan or Massachusetts or New Hampshire
$107k-$284k/yr RemoteFull Time
CVS Health
CVS HealthNYSE: CVS: Diversified healthcare integrating retail, pharmacy, and insurance services.
7+ YOE7+ years software engineering, 5+ years cloud-native app experience (GCP/Azure/AWS), backend programming in Java/Python/Kotlin/Go, microservices design, AI/LLM integration, search tech, CI/CD, Docker/Kubernetes, observability.
GCP, Azure, AWS, Java, Python, Kotlin, Go, Elastic, OpenSearch, Solr, Lucene, GitHub, Jenkins, CircleCI, Harness, Docker, Kubernetes, LLMs, Retrieval-Augmented Generation (RAG), CI/CD
2mo
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Software Engineer III
Alabama or Alaska or Arizona or Arkansas or Florida or Georgia or Idaho or Indiana or Iowa or Kansas or Kentucky or Louisiana or Mississippi or Montana or Nebraska or Nevada or New Hampshire or New Mexico or North Dakota or Ohio or Pennsylvania or Rhode Island or South Dakota or Tennessee or Texas or Utah or West Virginia or Wyoming or Lincoln
HybridFull Time
Spreetail
Spreetail: Private ecommerce accelerator and big-and-bulky logistics firm helping brands grow through marketplace management and fulfillment.
5+ YOE5+ years backend software experience, deep proficiency in C#/.NET, SQL Server/PostgreSQL, AWS (EKS, S3, SQS, EventBridge), CI/CD with GitLab pipelines, familiarity with Python/dbt/Dagster, and experience debugging production systems.
C#, .NET, Python, dbt, Dagster, SQL Server, PostgreSQL, Claude Code, AWS, EKS, S3, SQS, EventBridge, GitLab pipelines
1w
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Senior Scientific Platform Engineer
Arizona or California or Colorado or Florida or Georgia or Massachusetts or Maryland or North Carolina or New Hampshire or New Jersey or Nevada or Ohio or Oregon or Pennsylvania or Tennessee or Texas
$130k-$160k/yr RemoteFull Time
VivoSense
VivoSense: VivoSense is a private wearable-sensor CRO serving pharmaceutical sponsors and clinical researchers with digital endpoint services.
5+ YOEMaster's or Ph.D. in a relevant technical field, 5+ years developing software or data systems, Python and AWS experience, backend/API and pipeline skills, and strong architecture, testing, documentation, and collaboration abilities.
Python, AWS, C#/.NET, R, CI/CD, DevOps, Infrastructure as Code
2mo
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Java Full Stack Engineer
Merrimack or Dallas or Smithfield
$90k-$157k/yr OnsiteFull Time
CGI
CGITSX: GIB.A: Global IT consulting and business services firm.
7+ YOE7+ years Java/Spring Boot backend experience, Angular v17+, PL/SQL/Oracle/DB2, RESTful APIs, CI/CD (Jenkins/Git/uDeploy), Docker/Kubernetes, AWS (EKS/S3/Lambda), and strong problem-solving skills.
Java, Spring Boot, Angular, PL/SQL, Oracle, DB2, Hibernate, JPA, AWS, EKS, S3, Lambda, Docker, Kubernetes, Jenkins, Git, uDeploy, GitHub, Copilot, RESTful APIs
1mo
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Engineering Team Lead
District of Columbia or Delaware or Georgia or Massachusetts or Maryland or North Carolina or New Hampshire or New Jersey or Ohio or Pennsylvania or South Carolina or Utah or Virginia or Chalfont
RemoteFull Time
AWeber
AWeber: Privately held email marketing and automation software serving small businesses and entrepreneurs.
7+ YOE1+ Mgmt7+ years hands-on software engineering (backend Python or frontend React/TypeScript), 1+ year technical/team lead experience, experience with AI/agentic development, ownership of delivery, strong communication and mentorship skills.
Python, React, TypeScript, UNIX, AWS