PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
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
1w
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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
1w
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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
3w
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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
6d
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Senior Python Engineer, Integration
Philadelphia or New York City or Austin or Sofia or Europe
RemoteContract
5+ YOE5+ years Python development with API and system integrations, experience with observability and scalable backend architecture, willingness to join on-call rotations.
Python, Django, Datadog, CloudWatch, Grafana
3mo
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Senior Software Engineer, Backend
Philadelphia, Pennsylvania, United States
$160k-$210k/yr OnsiteFull Time
5+ YOE5+ years web apps; 2+ years leading teams; PostgreSQL; AWS; Docker/Kubernetes; Python/Django or Rails; strong communication.
JavaScript, Python, Django, Flask, React, React Native, Redux, Kubernetes, AWS, Docker, Celery, Redis, Datadog, CloudWatch
2mo
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Lead Software Engineer II – Java & Python
Wilmington, Delaware, United States
$100k-$135k/yr RemoteMultiple Commitments Available
4+ YOE4-6 years professional software engineering; strong backend Java and Python; SQL/data modeling; AWS; DynamoDB, RDS, PostgreSQL; CI/CD; Docker; ECS/EKS; CloudWatch/Datadog; excellent communication and collaboration.
AWS, Docker, Kubernetes, ECS, EKS, CloudWatch, Datadog, DynamoDB, RDS, PostgreSQL, DocumentDB, CI/CD
3mo
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Vice President, Full Stack Engineer
Berwyn, Pennsylvania, United States
OnsiteFull Time
5+ YOELead design of server-side architecture; 5-9 years backend experience; finance industry; Java/Python/Node.js; Oracle databases.
Java, Python, Node.js, Oracle Database
1d
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Senior Full Stack Engineer
Piscataway or Charlotte
OnsiteContract
Expertise in frontend and backend development (React, Next.js, Python, Go, Node.js), microservices on AWS, CI/CD, mentoring experience, and on-call support for production systems.
React, Next.js, Python, Go, Node.js, CI/CD, EKS, Lambda, API Gateway, Kubernetes, Amazon Bedrock, AWS
2w
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Software Engineer II - AI Solutions
King of Prussia, Pennsylvania, United States
OnsiteFull Time
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
3w
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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
3w
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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
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
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
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
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
2mo
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Sr. Software Engineer
Wayne or Naperville
$120k-$135k/yr HybridFull Time
5+ YOE5–7 years backend engineering or intelligent systems with production impact; strong Python, CI/CD, and system design; experience with ML model APIs and cloud inference; familiarity with vector databases and retrieval systems.
Python, CI/CD, AWS Bedrock, Azure OpenAI, Google Vertex AI, PyTorch, Hugging Face Transformers, vLLM, FAISS, Pinecone, OpenSearch/KNN, LangChain, LlamaIndex, MLflow, Weights & Biases, Prometheus
1w
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Senior Software Engineer Applied AI
Trenton, New Jersey, United States
RemoteFull Time
7+ YOE7+ years building production backend systems, strong Python, distributed cloud experience (AWS), hands-on LLM/generative AI and ML lifecycle experience, disciplined in regulated environments, US work authorization required.
Python, AWS, LLMs
1w
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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
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
1mo
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Systems Programmer I
Philadelphia, Pennsylvania, United States
OnsiteFull Time
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
1w
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Senior QA Engineer
Malvern, Pennsylvania, United States
OnsiteFull Time
5+ YOE5+ years QA experience for backend/platform/cloud/web applications; strong manual testing, test strategy, defect management; automation with Python/Pytest/Playwright/Selenium; API, Linux, Docker, SQL, Jira/Confluence experience.
Python, Pytest, Playwright, Selenium, Postman, Swagger/OpenAPI, Docker, Keycloak, Jira, Confluence, TestRail, Zephyr, Xray, PostgreSQL, Bash, Ansible
1mo
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AI Solutions Architect
Taguig or King of Prussia or São Paulo or India or Portugal or Mexico
OnsiteFull Time
7+ YOE7+ years solution/cloud architecture experience (Azure preferred); hands-on RAG and LLM experience (LangChain, LangGraph); Power Platform and low-code knowledge; backend development in Python/Node.js/.NET; strong stakeholder communication and mentoring skills.
AKS, Azure OpenAI Service, Azure AI Foundry, Azure Functions, API Management, Service Bus, Azure AI Search, Cosmos DB, Azure Data Factory, Azure Monitor, Promptflow, LangSmith, LangChain, LangGraph, Azure OpenAI, Google Gemini, Lyzr, Moveworks, ServiceNow AI, Glean, Workato, Microsoft Power Apps, Microsoft Power Automate, Microsoft Copilot Studio, Microsoft AI Builder, Python, Node.js, .NET, Microsoft SharePoint, Microsoft Teams, Microsoft Entra ID, OAuth 2.0, Azure Data Lake, Microsoft Fabric, Microsoft Purview, Microsoft 365 (M365), Model Context Protocol (MCP)
4d
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Software Development Engineer
Philadelphia or Reston
OnsiteFull Time
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