77 back end engineer jobs at 46 companies in Hampton, NH

PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
2mo
Save
Mark Applied
Hide
Backend Engineer
Somerville, Massachusetts, United States
$140k-$170k/yr OnsiteFull Time
Health Payment Systems
Health Payment Systems: Healthcare payments, provider network, and patient financing platform.
Strong object-oriented Python; API design in production; collaborate in engineering; build and scale systems; improve reliability and performance.
Python, APIs, Object-Oriented Programming
1mo
Save
Mark Applied
Hide
Senior Backend Engineer
Cambridge or Pune
$140k-$180k/yr OnsiteFull Time
Blitzy
Blitzy: Autonomous AI platform for enterprise software development.
5+ YOESenior backend engineer with 5–8 years of software engineering, solutions architecture, or technical leadership experience; strong enterprise development and SDLC knowledge.
AWS, GCP, Azure, Docker, Kubernetes, API design, CI/CD, Security protocols
1mo
Save
Mark Applied
Hide
Senior Backend Engineer
Cincinnati or Boston or United States
OnsiteFull Time
Tesouro
Tesouro: Provides embedded payment infrastructure for software platforms and banks.
Senior-level backend engineer with ownership of production microservices, experience with distributed systems, integrating partner banks/card networks, AI-assisted workflows, and strong collaboration and judgment.
C#, .NET, Python, AWS, Kubernetes (EKS), PostgreSQL, Cassandra, Redis, RabbitMQ, Kafka, React, NX, ArgoCD, GitHub Actions, PACT, xUnit, Cucumber, Jest, Playwright, Grafana, OpenTelemetry, PagerDuty
1mo
Save
Mark Applied
Hide
Backend Engineer, Flag Delivery
Oakland or San Francisco or New York City or Boston or Seattle or Irvine or Los Angeles or Monterey or Santa Barbara or Santa Rosa or Austin or Portland or Philadelphia or Chicago or United States
$146k-$235k/yr OnsiteFull Time
LaunchDarkly
LaunchDarkly: Provides a feature management platform for software development teams.
5+ YOE5+ years backend engineering experience building/operating production distributed systems; strong programming in Go/Java/Rust; production debugging, observability, on-call experience; clear AI usage in engineering work.
Go, Java, Rust
6d
Save
Mark Applied
Hide
Staff Backend Engineer
Somerville, Massachusetts, United States
$140k-$170k/yr HybridFull Time
Modulate
Modulate: Provides real-time voice moderation and conversation intelligence software.
Strong object-oriented Python experience, API design and production experience, building and scaling backend systems, collaboration and mentorship skills.
Python
1mo
Save
Mark Applied
Hide
Senior Backend Engineer, Data Systems (Modeling & Simulation)
Boston or San Francisco or United States
HybridFull Time
Code Metal
Code Metal: Verifiable AI-powered code translation for mission-critical industries.
Experienced backend engineer with strong relational data modeling, SQL/PostgreSQL expertise, Python, ORMs/migrations, data contracts, and building durable database-backed systems.
PostgreSQL, SQL, Python, SQLAlchemy, Alembic, PostGIS, Pydantic, JSON Schema, protobuf, OpenAPI
2w
Save
Mark Applied
Hide
CAD Integrations Backend Engineer
Boston or United States
$110k-$175k/yr HybridFull Time
Foundation EGI
Foundation EGI: AI-powered platform for industrial engineering and manufacturing automation
5+ YOEBS/MS in a technical field, 5+ years building backend services, strong Python, experience with commercial CAD APIs and cloud-native backend systems, Protobuf/gRPC, Docker/Kubernetes, and working with 3D engineering data.
Python, Siemens NX Open, CATIA, SOLIDWORKS API, Creo Toolkit, Autodesk Inventor API, Protobuf, gRPC, Google Cloud, TypeScript, Next.JS, React.JS, GitHub Actions, Docker, Kubernetes, Spinnaker, PostgreSQL, C++
2mo
Save
Mark Applied
Hide
Backend Engineer- DevEx Team
Boston or Waltham
$112k-$151k/yr HybridFull Time
ERGO NEXT Insurance
ERGO NEXT Insurance: Provides digital insurance tailored for small business owners and entrepreneurs.
6+ YOE6+ years in software development in cloud-oriented environments; BS in Computer Science or equivalent; strong experience with Java/Kotlin/JS/TS/bash/Python; CI/CD with Jenkins; Kubernetes; cloud and infrastructure concepts; problem solving; AI/Platform engineering interest.
Java, Kotlin, JavaScript, TypeScript, Bash, Python, Jenkins, Kubernetes, Docker, Maven, Gradle, NPM, Nx, Backstage, CI/CD, Cloud
3w
Save
Mark Applied
Hide
Senior Backend Engineer - Lodging and Cars
United States or Atlanta or Austin or Boston or Washington DC or Seattle or Houston or Raleigh or Dallas
RemoteFull Time
Hopper
Hopper: Global travel marketplace and financial technology service provider.
Senior individual contributor with strong Scala or JVM language skills, microservices and distributed systems experience, familiarity with gRPC/PubSub/REST integrations, and ability to own end-to-end technical implementations.
Scala, Java, Kotlin, gRPC, Pub/Sub, REST
1mo
Save
Mark Applied
Hide
Backend Software Engineer
Yokne'am Illit or Needham
HybridFull Time
Silk
Silk: Software-defined cloud storage platform for mission-critical applications.
BSc in CS or Software Engineering, proven system-level software development experience in Linux, multi-threaded programming, strong analytical and communication skills in Hebrew and English.
C, C++, Linux, Linux kernel
1mo
Save
Mark Applied
Hide
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
WEX
WEXNYSE: WEX: Provides global payment processing and business information management services.
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
2mo
Save
Mark Applied
Hide
Backend Engineer - DevEx Team
Waltham or Boston
$163k-$220k/yr HybridFull Time
ERGO NEXT Insurance
ERGO NEXT Insurance: Digital insurance provider tailored for small businesses and entrepreneurs.
6+ YOE6+ years as software developer in cloud environments; BS in Computer Science; proficient in Java/Kotlin/JS/TS/Bash/Python; CI/CD with Jenkins; Cloud/Infrastructure as Code; Kubernetes; build tools; observability; experience with developer portals (Backstage) a plus.
Java, Kotlin, JavaScript, TypeScript, Bash, Python, Jenkins, Maven, Gradle, npm, nx, Backstage, Kubernetes, Containers, CI/CD, Cloud services, Observability tools
3w
Save
Mark Applied
Hide
Senior Backend Engineer - Java
United States or Tampa or Boston or Atlanta or New York City or Columbus or Chicago or Philadelphia or Raleigh or Charlotte or Minneapolis or Dallas or Washington D.C. or Austin or Miami or Newark
$152k-$194k/yr RemoteFull Time
Real
RealNasdaq: REAX: Technology-driven brokerage offering residential real estate and title services.
8+ YOE8+ years experience with Java/Spring Boot, JPA/Hibernate, relational databases; experience designing event-driven microservices, strong testing practices, AI-assisted development familiarity, BA/BS or equivalent.
Java 17, Java 21, Spring Boot 3.x, JPA/Hibernate 6, Postgres, Kafka, DynamoDB, Redis, OpenSearch, AWS, Docker, Kubernetes, Datadog, ArgoCD, TeamCity, Claude Code, Cursor, Codex, Model Context Protocol (MCP), GitHub, SonarQube
2mo
Save
Mark Applied
Hide
Java Backend Engineer
Merrimack, New Hampshire, United States
$88k-$153k/yr OnsiteFull Time
CGI
CGINYSE: GIB: Provides information technology and business consulting services.
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)
2mo
Save
Mark Applied
Hide
Senior Software Engineer (Backend)
Boston, Massachusetts, United States
OnsiteFull Time
VibeIQ
VibeIQ: A digital collaboration platform for product design and merchandising teams.
5+ YOE5+ years backend/ cloud exp; API/SDK/CLI design; scalable backend systems; Node.js/TypeScript; AWS services; strong docs and collaboration.
Node.js, TypeScript, AWS, API Gateway, DynamoDB, S3, CI/CD, CLI, SDK
1w
Save
Mark Applied
Hide
Distinguished Engineer, Back End (Remote Eligibe)
Cambridge or United States or McLean or Richmond or New York City
$245k-$335k/yr RemoteFull Time
Capital One
Capital OneNYSE: COF: Financial services offering credit cards, banking, and loans.
7+ YOEBachelor's degree and 7+ years in software engineering/architecture, experience with distributed HPC/ML systems, cloud platforms, and mentoring; strong coding and AI/ML practice.
AI and ML frameworks, AWS, Microsoft Azure, Google Cloud, Python, Java, Go, Scala, JavaScript, TypeScript
4w
Save
Mark Applied
Hide
Senior Backend Developer/ DevSecOps Engineer
Louisville or Charlotte or Dallas or Tampa or Fort Lauderdale or Washington or Nashville or Miami or Boston or New York City or Chicago or Atlanta
$118k-$162k/yr RemoteFull Time
Humana
HumanaNYSE: HUM: Provides health insurance plans and clinical healthcare services.
4+ YOE4+ years in software engineering/DevOps; strong .NET (C#), Microsoft Azure, Terraform, Python, CI/CD (GitHub Actions, Azure DevOps), PostgreSQL, MongoDB, Docker, API design, and security/tooling experience.
.NET (C#), Microsoft Azure, Microsoft Azure App Services, Microsoft Azure Functions, Microsoft Azure Service Bus, Microsoft Azure DevOps (ADO), GitHub Actions, Terraform, Python, MongoDB, PostgreSQL, Databricks, ADLS Gen2, JFrog Artifactory, HashiCorp Vault, LaunchDarkly, Splunk, Docker Desktop, Postman, Checkmarx, AppScan, Cycode, GLAPI
2mo
Save
Mark Applied
Hide
Staff Backend Software Engineer
San Francisco or Cambridge
$180k-$225k/yr OnsiteFull Time
Lumafield
Lumafield: Accessible industrial CT scanners and cloud-based analysis software
10+ YOE10+ years backend software development; expert Python, Django/DRF; PostgreSQL, AWS (S3, RDS/Aurora, IAM); Celery; Kubernetes; Docker; SOC2/ISO27001 security familiarity; scalable cloud architectures.
Python, Django, DRF, Celery, PostgreSQL, AWS, S3, Aurora, IAM, VPC, SageMaker, Kubernetes, Docker
1mo
Save
Mark Applied
Hide
Senior Backend Software Engineer
Watertown, Massachusetts, United States
OnsiteFull Time
Flexcompute
Flexcompute: Develops GPU-native multiphysics simulation software for hardware engineers.
Bachelor's in CS/CE required; senior-level backend experience with Java, Python, or C++; strong AWS/cloud, Docker/Kubernetes, distributed systems, Linux, infrastructure automation (Terraform/Ansible), and web API design.
Java, Python, C++, AWS, Docker, Kubernetes, Linux, Terraform, Ansible, Slurm, Flow360, Tidy3D, CI/CD, HPC
1w
Save
Mark Applied
Hide
Backend Software Engineer III
Boston, Massachusetts, United States
OnsiteFull Time
Chewy
ChewyNYSE: CHWY: Online retailer of pet food, supplies, and veterinary services.
7+ YOE7+ years building scalable distributed backend systems; strong Java/Spring Boot/AWS experience; knowledge of event-driven architecture, observability, CI/CD, and on-call practices.
Java, Spring Boot, AWS, Lambda, SQS, DynamoDB, S3, API Gateway, JavaScript, SNS, Kafka, Dynatrace, Amazon CloudWatch, GitHub Copilot, Cursor, Claude, Terraform, React, Typescript