48 backend software engineer jobs at 23 companies in Putnam, CT
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Backend Software Engineer
Yokne'am Illit or Needham
HybridFull Time
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
2mo
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Backend Software Engineer
Waltham or Boston or United States
$127k-$171k/yr HybridFull Time
8+ YOE8+ years backend development with Java/Kotlin or similar, B.Sc. in Computer Science, strong OOP, distributed/cloud experience (AWS preferred), relational DB/SQL skills, and strong communication.
Kotlin, Java, Python, .NET, AWS, Relational Databases, SQL, CI / CD
1mo
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Backend Software Engineer
Waltham or Boston
$127k-$171k/yr HybridFull Time
8+ YOE8+ years backend development experience with Java/Kotlin or similar; BSc in Computer Science required; strong OOP, SQL, cloud (AWS) and CI/CD experience; excellent communication skills.
Kotlin, Java, Python, .NET, AWS, SQL, CI/CD, Zoom
1mo
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Senior Backend Software Engineer
Watertown, Massachusetts, United States
OnsiteFull Time
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
2w
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Back End Software Engineer
Smithfield, Rhode Island, United States
$78k-$172k/yr OnsiteFull Time
6+ YOE6+ years Java/Spring Boot experience, API design, Spring Batch and ETL/data migration skills, relational database proficiency, and a bachelor's degree in CS or related field.
Spring Boot, Spring Batch, OpenAPI, Swagger, WebClient, RestTemplate, Amazon Relational Database Svc, AWS Lambda, RDS, S3, API Gateway, Microsoft SQL Server, JUnit, Mockito, Test-Containers
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
5d
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Knowledge Engineer Manager - Back-end Engineer
Seattle or Milwaukee or Dallas or Columbus or Kirkland or Cincinnati or New York City or Cleveland or Oklahoma City or Austin or Albany or Chicago or St. Petersburg or Hartford or Pittsburgh or St. Louis or Miami or Sacramento or Raleigh or Minneapolis or Mountain View or Scottsdale or San Francisco or Morristown or Denver or Boston or Philadelphia or Des Moines or Overland Park or Los Angeles or Charlotte or Walnut Creek or Carmel or Houston or Arlington or Atlanta or Redmond or Bentonville or Beaverton or Nashville or Detroit or San Diego
$80k-$294k/yr HybridFull Time
5+ YOEMinimum 5 years in knowledge graph hydration, ontology mapping, graph and relational databases, vector databases, Python or Java, and REST API development; bachelor's degree or equivalent experience required.
RDF, OWL, SKOS, RDFS, SPARQL, R2RML, CSVW, SHACL, GraphDB, Stardog, Neo4j, Amazon Neptune, PostgreSQL, MySQL, SQL Server, Pinecone, Weaviate, Milvus, Qdrant, Elasticsearch, OpenSearch, Python, Java, SQL, JSON, XML, CSV, REST APIs, Apache NiFi, Airflow, Docker, Kubernetes, Helm, AWS Neptune, Azure Cosmos DB, GCP, Kafka, RabbitMQ, Git, GraphQL APIs, D3.js, Cytoscape.js, Terraform
2mo
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Senior Back End Software Developer (AI, Java, Vert.x, AWS) - Remote US
Waltham, Massachusetts, United States
$130k-$158k/yr RemoteFull Time
5+ YOE5-7 years Java, 3-5 years Reactive (Vert.x), 1-2 years AI tooling, 3-5 years Web Services/REST APIs
Java, Vert.x, AWS, AI tools, RESTful APIs
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
4w
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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
2w
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Software Engineer III - PA085
Waltham, Massachusetts, United States
$112k-$176k/yr HybridFull Time
3+ YOE3+ years software engineering experience building production data pipelines and backend services. Strong Java, ETL/ELT, streaming, cloud (GCP) and data quality skills required.
Java, Apache Beam, Apache Airflow, Spark, Google Dataflow, DataProc, Kafka, Google Pub/Sub, BigQuery, GCS, GKE, SQL, Kubernetes, EKS, Snowflake, Starburst, Trino, Terraform
1mo
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GIS Software Engineer
Hartford, Connecticut, United States
$97k-$145k/yr HybridFull Time
2+ YOE2+ years software engineering experience; strong backend development with Java/Spring Boot, ArcGIS platform experience, Oracle geodatabases, Python, AWS, RESTful API design, and ability to work hybrid in Hartford, CT. Must be authorized to work in the US without sponsorship.
Java, Spring Boot, AWS, Python, Oracle, React, ArcGIS Enterprise, ArcGIS Pro, ArcPy, Jupyter Notebooks, Terraform, Arcade, PowerShell, Apigee, AWS API Gateway, GitHub, GitHub Copilot, Jenkins, SonarQube, SQL Server, PostgreSQL, Snowflake, Angular, FME
2mo
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Full Stack Software Engineer, Atlas Applications
Waltham, Massachusetts, United States
$117k-$160k/yr OnsiteFull Time
3+ YOE3+ years software engineering with full stack, API integration, frontend/backend, and LLM integrations.
React, Python, TypeScript, Postgres, Redis, Pinecone, Claude Code
1mo
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Senior Software Engineer
Foxboro, Massachusetts, United States
$178k-$185k/yr HybridFull Time
5+ YOEBachelor's in CS/CE or related and 5+ years backend experience including 3 yrs Java with Spring, 3 yrs container/cloud-native (Docker, Kubernetes, Helm) with public cloud (Azure), 2 yrs event-driven (Kafka), 2 yrs DB work (PostgreSQL/Cassandra), technical lead and mentoring experience.
Java, Spring, Spring Boot, Docker, Kubernetes, Helm, Azure, Apache Kafka, PostgreSQL, Cassandra
2w
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Software Engineer
United States or Austin or Boston or Chattanooga or Chicago or Dallas or Denver or Houston or Jefferson City or Kansas City or Madison or Milwaukee or Minneapolis or Nashville or Omaha or Providence or Springfield or Saint Louis or Washington
$76k-$234k/yr HybridFull Time
5+ YOEBachelor's or equivalent,5+ years application engineering experience,full‑stack proficiency with backend focus,experience with generative AI and cloud deployment (Azure preferred),strong architecture and communication skills.
Python, Javascript, TypeScript, React, Vue, Azure, CI/CD, LLM APIs
1mo
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GIS Software Engineer
Hartford, Connecticut, United States
$97k-$145k/yr HybridFull Time
2+ YOE2+ years software engineering focused on backend development, strong ArcGIS experience, Java/Spring Boot, Python, Oracle, AWS and RESTful API development; bachelor’s degree preferred.
Java, Spring Boot, AWS, Python, Oracle, React, ArcGIS, ArcGIS Enterprise, ArcGIS Pro, ArcPy, Jupyter Notebooks, PowerShell, Terraform, Apigee, AWS API Gateway, GitHub, GitHub Copilot, Jenkins, SonarQube, ArcGIS ST_Geometry, Arcade, SQL Server, PostgreSQL, Snowflake, Angular, FME
3mo
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Principal Engineer Software - Storage (Chronosphere)
Burbank or Denver or Chicago or Austin or Jacksonville or Hartford or Bridgeport or Seattle or Boston or New York City
$147k-$238k/yr RemoteAll Commitments Available
Design and build scalable backend services for high-volume telemetry data; strong backend skills; cloud infra experience; API design; mentorship.
Go, Java, Python, Rust, AWS, GCP, Azure, REST, gRPC, GraphQL
1mo
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Staff Software Development Engineer
Wellesley or Florida or Connecticut or Texas or Rhode Island or Massachusetts
$118k-$284k/yr HybridFull Time
5+ YOE2+ Mgmt5+ years full‑stack experience with strong UI (React/Angular) and backend skills, production coding in Python/Java/TypeScript/JavaScript, microservices, CI/CD, containerization, 2+ years LLM and GCP experience, and squad leadership.
React, Angular, Python, Java, TypeScript, JavaScript, GCP, BigTable, Spanner, GKE, Cloud Functions, CI/CD, LLM, LangChain, LlamaIndex, Vertex AI, OpenAI APIs, HuggingFace, GIT, Bitbucket, Artifactory, Jenkins
2d
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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
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