37 senior backend engineer jobs at 22 companies in Millville, NJ
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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
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
1mo
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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
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
1w
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Sr. Backend Engineer - Xumo
Irvine or Philadelphia
$142k-$189k/yr HybridFull Time
5+ YOEBachelor's degree preferred; 5+ years building Java backend servers, web service APIs, databases, and Linux systems. Requires microservices, Kubernetes, cloud, and video streaming experience.
Java, REST, SOAP, HTTP, SSL, MySQL, PostgreSQL, Oracle, MongoDB, Linux, CentOS, OSX, Docker, Kubernetes, Google Cloud, AWS, Azure, HLS, JSON, RSS, ETL, RabbitMQ, Kafka, MP4, Mpeg-Dash
1mo
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Sr. Backend Software Engineer (NodeJS)
United States or Minneapolis or Philadelphia or New Hartford or Austin or Champaign or Chicago
$140k-$160k/yr RemoteFull Time
8+ YOEExpertise in Node.js/Typescript and PostgreSQL, 8+ years backend experience with distributed systems, GraphQL, TypeORM, Nest.js; familiarity with Kubernetes, message brokers, AWS, Terraform.
Typescript, NodeJS, Ruby, Rails, PostgreSQL, GraphQL, TypeORM, Nest.js, RabbitMQ, RMQ, React, AWS, Terraform, Helm, Kubernetes, EKS, Microsoft Teams
1w
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Senior Backend DevOps Engineer (Remote Opportunity)
Philadelphia or United States
RemoteFull Time
Experience with AWS ECS, containerized microservices, CI/CD, Infrastructure as Code, AWS networking and IAM, observability, SRE, incident response, and government cloud compliance frameworks.
Amazon ECS, AWS GovCloud, AWS CLI, Infrastructure as Code, FedRAMP High, NIST 800-53, FISMA, IAM, VA Enterprise Cloud
2w
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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
6d
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Knowledge Engineer Manager - Back-end Engineer
United States or Albany or Arlington or Atlanta or Austin or Beaverton or Bentonville or Boston or Carmel or Charlotte or Chicago or Cincinnati or Cleveland or Columbus or Culver City or Denver or Des Moines or Detroit or Hartford or Houston or Irving or Kirkland or Miami or Milwaukee or Minneapolis or Morristown or Mountain View or Nashville or New York City or Oklahoma City or Overland Park or Philadelphia or Pittsburgh or Raleigh or Redmond or Sacramento or San Diego or San Francisco or Scottsdale or Seattle or St. Louis or St. Petersburg or Walnut Creek
$80k-$294k/yr HybridFull Time
5+ YOERequires 5+ years in knowledge graphs, ontology mapping, R2RML, graph and relational databases, vector databases, Python or Java, REST APIs, and a bachelor's degree or equivalent.
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, D3.js, Cytoscape.js, Terraform
1mo
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Senior Software Engineer, Backend FinPlatform
New York City or San Francisco or Salt Lake City or Los Angeles or Seattle or Austin or Washington or Philadelphia or San Diego or Chicago or Atlanta or Australia or Canada or South America
$146k-$215k/yr RemoteFull Time
6+ YOE6+ years software engineering experience, 4+ years with Java, experience with backend systems, APIs, data pipelines, AWS, and distributed teams.
Java, Spring, Gradle, JUnit, JVM, AWS, EKS, Aurora RDS, Elasticache, DynamoDB, GitHub Actions, git, DataDog, Snowflake, CDK, Terraform
1w
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Lead Software Engineer, Back End (Enterprise Platforms Technology)
McLean or New York City or Richmond or San Francisco or Philadelphia or Canada or United Kingdom or Philippines
$179k-$246k/yr OnsiteFull Time
4+ YOE1+ MgmtBachelor's degree, 4+ years of software engineering experience, and 1+ year of cloud computing experience required; leadership, programming, databases, containers, and Agile expertise preferred.
Java, Python, SQL, Node.js, Go, Scala, Docker, Kubernetes, AWS, Microsoft Azure, Google Cloud, Open Source RDBMS, NoSQL, Agile, interactive AI tooling
1mo
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Senior AI Engineer
United States or Wilmington
$126k-$197k/yr RemoteFull Time
8+ YOEDegree in Computer Science/Engineering, 8+ years backend development with Python and JavaScript, 2+ years production GenAI systems experience, React/TypeScript UI skills, Pydantic proficiency, strong stakeholder communication.
Python, JavaScript, React.js, TypeScript, HTML, Pydantic, PyTorch, Azure, Azure Kubernetes, Office 365, GitHub
4w
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Senior Python Engineer, Integration
Limassol or Philadelphia or New York City or Austin or Sofia
RemoteContract
5+ YOE5+ years Python development with API and system integrations experience; strong understanding of webhooks, idempotency, observability, and scalable backend architecture.
Python, Django, Datadog, CloudWatch, Grafana
1mo
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Senior Software Engineer | Research Tech | Experienced Hire
Bala Cynwyd, Pennsylvania, United States
OnsiteFull Time
5+ YOE5+ years software engineering experience; strong hands-on C#, Python, and React/JavaScript; full-stack backend/frontend comfort; excellent communication; Bachelor’s in CS, CE, math, physics or related.
C#, .NET, Python, React, JavaScript, Microsoft Excel
1d
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Full Stack Engineer
New York City or United States or Raleigh-Durham or Atlanta or Philadelphia
$150k-$300k/yr HybridFull Time
Senior-level experience shipping production web applications, strong TypeScript and backend skills, API and data modeling experience, cloud deployment, CI/CD, ML integration, and excellent communication.
Next.js, TypeScript, Python, FastAPI, CI/CD
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Lead Software Engineer
Wayne, Pennsylvania, United States
OnsiteFull Time
5+ YOE5+ years backend or full‑stack engineering experience focused on APIs, services, integrations, Snowflake, SQL, and modern DevOps/CI/CD practices.
Snowflake, SQL, C#/.NET, Java, Node.js, Git, CI/CD, dbt
2w
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Software Engineer
Moorestown, New Jersey, United States
$80k-$97k/yr RemoteFull Time
Production experience with a major LLM platform, backend engineering in C#/.NET or Python, Azure, CI/CD, infrastructure as code, GitHub security, REST/OData APIs, and least-privilege access design.
C#, .NET, Python, Azure, Azure App Service, Azure Container Apps, Azure Functions, Azure Key Vault, Azure Managed Identity, GitHub Actions, Azure DevOps, Bicep, Terraform, OpenID Connect (OIDC), GitHub, Dependabot, OWASP Top 10, SAST, DAST, SCA, SLSA, REST, OData, MCP, Anthropic Claude, OpenAI, Google Gemini, AWS Bedrock, NIST AI RMF, NIST 800-53, CIS Controls, SIEM
1w
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Senior Software Engineer I - Ruby on Rails with Sidekiq
Philadelphia or Pennsylvania or New York or United States
$87k-$144k/yr OnsiteFull Time
Requires production Ruby on Rails, Sidekiq, AWS, and TypeScript skills; backend fundamentals; SQL and relational modeling depth; production ownership; debugging ability; and AI-assisted development experience.
Ruby, Ruby on Rails, Sidekiq, AWS, ECS, Aurora PostgreSQL, PostgreSQL, TypeScript, Epic, Cerner, Athena, EHR, FHIR, SQL, CI
2mo
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Senior Full Stack Software Engineer (Full-Time)
Philadelphia, Pennsylvania, United States
$90k-$140k/yr HybridFull Time
5+ YOE5+ years backend-focused software development experience with C#/.NET Core, Microsoft SQL Server, REST APIs; bachelor’s degree in CS or related field required; Azure and microservices preferred.
C#, .NET Core, Microsoft SQL Server, RESTful APIs, Azure
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Lead Software Engineer (1308)
Wayne, Pennsylvania, United States
OnsiteFull Time
5+ YOE5+ years backend/full-stack engineering experience with APIs, integrations, Snowflake, SQL, and modern DevOps; strong communication and ownership; experience mentoring offshore developers.
Snowflake, SQL, C#/.NET, Java, Node.js, Git, CI/CD, dbt, iPaaS
2w
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Staff Software Engineer
Philadelphia or United States
$169k-$192k/yr OnsiteFull Time
8+ YOE8+ years software engineering experience; proficiency in Python, Go, TypeScript or SQL; backend, APIs, distributed systems, Postgres, AWS/GCP, Docker/Kubernetes, Kafka/Redis; strong system design and cross-team leadership.
Python, Go, TypeScript, SQL, Postgres, AWS, GCP, Docker, Kubernetes, Kafka, Redis, Grafana, Prometheus, GitLab CI/CD
1d
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DevOps Engineer
Philadelphia, Pennsylvania, United States
$120k-$140k/yr OnsiteFull Time
8+ YOERequires 8+ years developing scalable backend applications with TypeScript, Node.js, REST APIs, microservices, PostgreSQL, document databases, and AWS cloud services.
TypeScript, Node.js, PostgreSQL, AWS, AWS Lambda, Amazon ECS, Amazon EKS, Amazon API Gateway, Amazon S3, Amazon RDS, Amazon DynamoDB, Amazon CloudWatch, AWS Identity and Access Management (IAM), REST, microservices, Agile
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