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28 backend developer java jobs at 19 companies in Allentown, PA

3w
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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
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
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1mo
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Lead Backend Engineer
Princeton, New Jersey, United States
$179k-$211k/yr HybridFull Time
Noom
Noom: Digital health platform offering psychology-based weight management programs.
8+ YOE8+ years backend engineering experience; strong in Java or Kotlin; demonstrated lead-level IC experience; experience managing/mentoring remote/offshore engineers; strong cross-functional collaboration and ownership of backend AI initiatives.
Java, Kotlin, Zoom, Microsoft Teams
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1mo
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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
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
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1w
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Backend API Engineer Technical Lead II
Charlotte or Malvern
HybridFull Time
Vanguard
Vanguard: Provides mutual funds, ETFs, and investment management services.
8+ YOE8+ years related experience, 3+ years Node.js, proficient in TypeScript and NestJS, experience with AWS, CI/CD, GitHub Actions, REST/Spring Boot/Java a plus; undergraduate degree or equivalent; strong communication and mentoring skills.
Node.js, Typescript, NestJS, Visual Studio Code, RESTful Services, Spring Boot, Java, CI/CD Pipeline, Github Actions, Git/GitHub, JIRA, AWS ECS Fargate, AWS EKS, AWS Lambda, XCode, SWIFT, Android Studio
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4w
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Backend Software Engineers - King of Prussia, PA
King of Prussia, Pennsylvania, United States
$75k-$150k/yr OnsiteFull Time
In-Depth Engineering
In-Depth Engineering: Develops combat systems and radar software for the US military.
2+ YOEU.S. citizen with valid passport and active Secret clearance; Bachelor's in STEM; 2+ years experience; familiarity with Rust/C/Java, Docker, gRPC, SDLC; exposure to containerization and Agile.
Rust, C, Java, Docker, gRPC, Kubernetes, Helm, Gitlab CI/CD, Python, Selenium, Cypress, Playwright
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1w
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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
Flex
Flex: A financial platform allowing renters to split monthly rent payments.
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
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3mo
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AEM Fullstack Developer (AEM + Next.js + Node.js)
Quincy or Boston or Princeton
OnsiteFull Time
Blue Acorn iCi
Blue Acorn iCiNYSE: INFY: Provides digital commerce and customer experience consulting services.
8+ YOE8-12+ years in software development with strong AEM, frontend (Next.js/JavaScript), and backend (Node.js/Java). CI/CD and cloud experience. Hybrid/on-site capable.
AEM, Next.js, Node.js, Java, CI/CD, Cloud
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3mo
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Vice President, Full Stack Engineer
Berwyn, Pennsylvania, United States
OnsiteFull Time
BNY
BNYNYSE: BK: Global institution managing and servicing financial assets worldwide.
5+ YOE5-9 years backend software development; Bachelor’s in CS/Engineering; finance experience; Java/Python/Node.js; Oracle DB; strong problem solving.
Java, Python, Node.js, Oracle Database
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1w
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Software Development Engineer
Philadelphia or Reston
OnsiteFull Time
Comcast
ComcastNASDAQ: CMCSA: Provides global telecommunications, media content, and entertainment services.
5+ YOE5+ years building and operating distributed backend systems, experience with GraphQL/REST APIs, Python/Go/Java/C++, relational or NoSQL databases, containerized deployments and CI/CD; Bachelor's preferred; must be authorized to work in the US (no sponsorship).
GraphQL, REST, PostgreSQL, Python, Go, Java, C++, Docker, Kubernetes, MLOps, CI/CD
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2w
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Lead Software Engineer (1308)
Wayne, Pennsylvania, United States
OnsiteFull Time
autoMHatic Financial
autoMHatic Financial: Specialized lender for manufactured home loans with instant decisions.
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
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3w
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Senior Full Stack Software Engineer, AVP
Princeton, New Jersey, United States
$100k-$168k/yr OnsiteFull Time
State Street
State StreetNYSE: STT: Provides investment servicing and management to institutional investors.
10+ YOE10+ years software engineering experience; strong Java backend (Spring Boot), modern JavaScript front-end (Vue.js/Angular/TypeScript), cloud-native (AWS), microservices, CI/CD, observability, and experience in regulated/financial environments.
Java, Spring Boot, Spring JPA, REST APIs, gRPC, Maven, Docker, TypeScript, JavaScript, Vue.js, Angular, HTML5, CSS3, Oracle, PostgreSQL, SQL Server, MySQL, AWS, ECS, EC2, S3, RDS, DynamoDB, Aurora, SQS, Splunk, Datadog, Kibana, GitHub Copilot, ChatGPT, Claude
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1mo
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EY-Parthenon - Strategy and Execution - Growth Platforms - Software Engineer - Sr Assoc/Consultant (New York, NY, US, 10001-8604)
New York or Atlanta or Boston or Chicago or Dallas or Denver or Detroit or Houston or Los Angeles or McLean or Hoboken or Philadelphia or San Francisco or Seattle
$130k-$185k/yr HybridFull Time
EY
EY: Global firm providing audit, tax, and professional consulting services.
1.5+ YOEBachelor's degree plus ~2 years related experience (or graduate degree plus ~18 months). Experience with backend/full‑stack development (Python, Java, Scala, TypeScript), cloud (AWS/GCP), containerization, IaC, LLM integration, and productionizing AI tooling; strong communication and client‑facing skills.
Python, Java, Scala, TypeScript, AWS, GCP, Microsoft Copilot
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2w
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Lead Software Engineer
Wayne, Pennsylvania, United States
OnsiteFull Time
autoMHatic Financial
autoMHatic Financial: Provides consumer financing and loans for manufactured housing.
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
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1mo
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AI Data Engineer
Princeton or Arizona or California or Colorado or Delaware or Florida or Georgia or Illinois or Indiana or Massachusetts or Maryland or Minnesota or North Carolina or New Jersey or New York or Pennsylvania or Tennessee or Texas or Utah or Virginia or United States
HybridFull Time, Contract
FDM Group
FDM GroupLondon Stock Exchange: FDM: FDM provides IT consultancy and technology staff augmentation services.
3+ YOE3+ years in data engineering, software engineering, or full stack development; strong Java or Python; experience building data pipelines/backend services; exposure to AI/ML and cloud platforms (AWS, Azure, or GCP).
Java, Python, AWS, Azure, GCP, React, Node.js, Spark, Databricks, APIs, CI/CD
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1mo
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AI Data Engineer
Princeton or Arizona or California or Colorado or Delaware or Florida or Georgia or Illinois or Indiana or Massachusetts or Maryland or Minnesota or North Carolina or New Jersey or New York or Pennsylvania or Tennessee or Texas or Utah or Virginia or United States or United Kingdom or North America or Asia or Australia or Europe
HybridFull Time, Contract
FDM Group
FDM GroupLondon Stock Exchange: FDM: Provides IT consulting, technical training, and staff augmentation services.
3+ YOE3+ years in data engineering, software engineering, or full stack development; strong Java or Python skills; experience building data pipelines/backend services; exposure to AI/ML; experience with AWS, Azure, or GCP.
Java, Python, AWS, Azure, GCP, React, Node.js, Spark, Databricks, APIs, CI/CD
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1mo
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Full Stack and AI Engineer
Basking Ridge or United States
$92k-$164k/yr RemoteFull Time
UnitedHealth Group
UnitedHealth GroupNYSE: UNH: Provides health insurance and technology-enabled health care services.
8+ YOE5+ Mgmt8+ years building backend systems in Java/Python, 5+ years leading teams, experience with Kafka, relational/NoSQL databases, cloud (AWS/Azure/GCP), Docker/Kubernetes, CI/CD, and 1+ year delivering AI-enabled solutions; HS diploma or higher required.
Java, Python, Kafka, PostgreSQL, MySQL, Oracle, MongoDB, Cassandra, AWS, Azure, GCP, Docker, Kubernetes, CI/CD, REST, gRPC, Pinecone, Weaviate, pgvector
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2w
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Software Engineer II - AI Solutions
King of Prussia, Pennsylvania, United States
OnsiteFull Time
Universal Health Services
Universal Health ServicesNYSE: UHS: Operates acute care hospitals and behavioral health facilities.
3+ YOEBachelor's in CS or related, 3+ years AI/ML or backend experience, proficiency in Python/Java/JavaScript/Typescript, ML frameworks, cloud platforms, healthcare standards, and CI/CD/DevOps.
Python, Java, JavaScript, Typescript, Pytorch, Tensorflow, Langchain, Keras, HL7, FHIR, DICOM, HIPAA, GDPR, SQL, NoSQL, AWS, Azure, Google Cloud, Oracle Cloud, Palantir, Databricks, Graphana, Datadog, Langfuse, Docker, Kubernetes, Large Language Models, CI/CD, DevOps
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3w
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Specialist Software Engineering
Cedar Rapids or Denver or Philadelphia
$131k-$160k/yr HybridFull Time
Transamerica
TransamericaNYSE: AEG: Provides insurance, retirement solutions, and investment products to customers.
6+ YOE6+ years software development experience with 5+ years on AWS; Bachelor’s in CS or related (or equivalent); expertise with core AWS services, IaC, CI/CD, backend languages, containerization, networking, security, and observability.
AWS Lambda, Amazon ECS, Amazon EKS, API Gateway, CloudFormation, CDK, Terraform, DynamoDB, Amazon RDS, Amazon Aurora, Amazon S3, ElastiCache, IAM, VPC, EC2, CloudFront, Route 53, SNS, SQS, EventBridge, Kinesis, Jenkins, Docker, OpenShift, Kubernetes, Fargate, CloudWatch, AWS X-Ray, OpenTelemetry, Java, Python, Node.js, Go, Spring Boot, Spring MVC, Entity Framework, IIS, Swagger, OData, .NET API, AutoMapper, Glue, Athena, Lake Formation, SageMaker, Bedrock
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1mo
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Systems Programmer I
Philadelphia, Pennsylvania, United States
OnsiteFull Time
Brown Brothers Harriman
Brown Brothers Harriman: Providing global investment management, custody, and private banking services.
2+ YOE2+ years Java/Python backend development; strong Spring Boot and REST API experience; SQL/NoSQL databases; familiarity with TypeScript/Angular, CI/CD, cloud (OpenShift/Azure), Unix/Linux; Agile experience.
Java, Python, Spring Boot, Spring MVC, Spring Data, Spring Security, REST, TypeScript, Angular, RxJS, HTML, CSS, SQL, NoSQL, CI/CD pipelines, OpenShift, Azure, Unix, Linux
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2w
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AI Architect
New York City or Nashville or Irving or Chicago or Bridgewater or Atlanta or Dallas
$73k-$174k/yr HybridFull Time
Capgemini
CapgeminiEuronext Paris: CAP: Provides global IT consulting and digital transformation services.
5+ YOEExperienced architect with 5+ years shipping enterprise-scale production software, expertise in AI/LLM systems, search, backend and full-stack development; proficiency in Python/Java/Golang/JavaScript and cloud/container technologies.
React, TypeScript, JavaScript, LangGraph, OpenAI Agents SDK, Google ADK, SmolAgents, Python, Java, Golang, Elasticsearch, OpenSearch, AWS, Azure, Docker, Kubernetes, WebSockets
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