2w
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Backend Software Engineer
Philadelphia, Pennsylvania, United States
HybridFull Time
Proficiency in Go, Python, Bash, and SQL; Linux and GCP experience; CI/CD and build tooling familiarity; experience in healthcare/regulated environments and building web services with OpenAPI.
Go, Python, Bash, SQL, JavaScript, Linux, GCP, Kubernetes, GKE, Cloud Firestore, Cloud Storage, BigQuery, GitHub Actions, Please, Bazel, Buck, Pants, OpenAPI, Windows, RDBMS
2w
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Backend Software Developer
Wayne, Pennsylvania, United States
HybridFull Time
Experience building backend services and APIs using Ruby/Rails, Python or NodeJS; familiarity with databases, integrations (SFTP/FTP, OAuth2, OIDC), security (TLS, SSH), Linux/Docker, testing and API tools.
Ruby, Ruby on Rails, Python, NodeJS, SFTP, FTP, OAuth2, OIDC, TLS, SSH, Postgresql, Mysql, MariaDB, rSpec, Postman, Linux, Docker, ReactJS, NewRelic, AWS, CI/CD
2w
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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
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
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
4w
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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
1mo
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Backend .NET Engineer
Philadelphia, Pennsylvania, United States
OnsiteFull Time
5+ YOE5+ years backend development with C#/.NET, REST APIs, SQL/EF Core, CI/CD, automated testing, Git, cloud (Azure preferred), spec-first workflows (OpenSpec) and experience mentoring teammates.
C#, Microsoft .NET, ASP.NET Core, ASP.NET Core Web API, SQL, Entity Framework Core, Git, Azure, OpenSpec, GitHub Spec Kit, CI/CD
2w
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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
1mo
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Backend Software Engineers - King of Prussia, PA
King of Prussia, Pennsylvania, United States
$75k-$150k/yr OnsiteFull Time
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
1w
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Backend API Engineer Technical Lead II
Charlotte or Malvern
HybridFull Time
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
2w
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Staff Software Engineer (Backend) - Billing Platform *HYBRID*
Palo Alto or Falls Church or Frisco or Washington or Baltimore or Dallas or Bethesda or Fort Worth
$110k-$230k/yr HybridFull Time
8+ YOE8+ years software development experience with large-scale systems; proficiency in Java/Kotlin/Golang, SQL/NoSQL, Kafka, Spark, Airflow, cloud and DevOps practices; strong communication and system design skills.
Java, Kotlin, Golang, SQL, NoSQL, Kafka, Spark, Airflow
2mo
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Software Engineer Staff
Colorado Springs or King of Prussia
$114k-$227k/yr OnsiteFull Time
U.S. citizenship and ability to obtain Secret clearance required. Professional front- and back-end software engineering experience, familiarity with DevSecOps (GitLab/GitHub), Docker, Kubernetes, web/backend frameworks, automated testing tools, and Agile; bachelor’s degree preferred.
DevSecOps, GitLab, GitHub, Docker, Kubernetes, AstroUx, .NET Core, Spring Boot, Angular, React, Cypress, Playwright, Postman, Agile
2w
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Open Data Backend Engineer, (Senior Consultant, Engineering & Technical Services)
Baltimore or Alabama or California or Delaware or District of Columbia or Florida or Georgia or Maryland or New Jersey or New York or North Carolina or Pennsylvania or South Carolina or Tennessee or Texas or Virginia or West Virginia
$121k-$159k/yr RemoteFull Time
7+ YOE7+ years engineering experience with Drupal 10–11, DKAN familiarity, PHP and SQL proficiency, Git/CI-CD, automated testing, Public Trust clearance eligibility, and US residency requirements.
Drupal 11, DKAN, CKAN, Socrata, DCAT, FHIR, SQL, Drush, Docker, DDEV, docker-compose, PHPUnit, Cypress, Xdebug, Git, Varnish, Akamai CDN, GraphQL, REST
2mo
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Software Engineer
Aberdeen, Maryland, United States
$85k-$190k/yr OnsiteFull Time
Open to all levels; Go, APIs, distributed systems, back-end focus; security-aware; must provide code portfolio link.
Go, Docker, PostgreSQL, MySQL, MongoDB, REST, Git
1mo
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IT Prncpl - Software Eng - United States
San Antonio or Baltimore or Springfield or United States
RemoteFull Time
10+ YOE5+ Mgmt10+ years overall experience, bachelor’s degree required (master's may substitute 2 years), 10+ years software development in OO and scripted languages, 5+ years back-end web development, TS/SCI clearance, RESTful API and relational DB experience, Jira, cloud, DevSecOps/microservices/containers, Agile.
DevSecOps, microservices, containers, RESTful API, Node.js, Django, Angular, Jira, PostgreSQL, cloud, Agile
1w
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Software Engineer Lead - Angular/Java
Pittsburgh or Philadelphia
OnsiteFull Time
3+ YOEExperience developing Angular front-ends and Java/Spring back-ends, microservices and REST integration, 3+ years' industry experience, strong design, testing, and troubleshooting skills.
Angular, Java, Spring, REST
2mo
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Lead Engineer Software - Full Stack Technical Lead (Remote)
Baltimore, Maryland, United States
$115k-$229k/yr RemoteFull Time
8+ YOE8 years experience in software design/development; healthcare domain knowledge; front-end and back-end development; API/Microservices; cloud knowledge (AWS/Azure).
JavaScript, Python, Java, Microservices, APIs, AWS, Azure, Oracle, SQL Server, MongoDB, PostgreSQL, CI/CD, TDD, BDD, IBM MQ, AS400
2d
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Associate Full Stack Developer
Villanova, Pennsylvania, United States
$72k-$90k/yr HybridFull Time
0+ YOEFoundational front- and back-end web development skills, 0-2 years experience, familiarity with JavaScript/HTML/CSS, APIs, accessibility, and strong communication and problem-solving skills.
Adobe Experience Manager (AEM), AEM Edge Delivery Services, Modo Labs, OneCampus, React, Google Analytics, Google Tag Manager