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
PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
5d
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Senior Python Engineer, Integration
Philadelphia or New York City or Austin or Sofia or Belgrade
RemoteContract
5+ YOE5+ years Python development experience focused on API and third-party integrations, observability, testing, and on-call production support.
Python, Django, Datadog, CloudWatch, Grafana
1d
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Senior Lead Software Engineer - Java/AWS/Python
Plano or Wilmington
OnsiteFull Time
10+ YOEExpertise in Java, Python, AWS, Terraform and cloud-native development; experience with Kafka and automation; demonstrated software design, delivery, and team leadership with significant industry experience.
Java, Python, AWS, EKS, S3, Lambda, EMR, Terraform, Kafka, Databricks
1mo
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Senior Software Engineer
New York City or Asbury Park or Boston or Chicago or Baltimore
$160k-$180k/yr HybridFull Time
5+ YOE5+ years software engineering experience; lead full-stack development with TypeScript, Node.js, Python, Next.js, Tailwind CSS; experience with Microsoft Azure, Azure DevOps, GitHub, Jira, EMU/AI-enabled features, and leading/mentoring engineers.
TypeScript, Node.js, JavaScript, Next.js, Tailwind CSS, Python, Microsoft Azure, Microsoft Azure DevOps, GitHub, Jira, Figma, Microsoft Dynamics, Microsoft Business Central, Microsoft PowerApps, Microsoft Power BI
2w
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Senior Software Engineer
Aberdeen, Maryland, United States
$90k-$198k/yr OnsiteFull Time
10+ YOE10+ years software engineering experience in Defense, BA/BS or equivalent experience, proficiency with C++, Java, Python, C#, secure coding and Defense standards, DoD cybersecurity certification preferred.
C++, Java, Python, C#, Git, SVN, CI/CD, automated testing tools
1w
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AVP, Rating Platform Software Engineer (Python)
Philadelphia or Jersey City or Whitehouse Station
$131k-$189k/yr OnsiteFull Time
6+ YOE6+ years in software engineering or insurance technology, mastery of Python and SQL, experience building rating/pricing systems, testing frameworks, and system design; strong communication and regulatory environment experience.
Python, SQL, Claude Code, Cursor, Databricks, Snowflake, Duck Creek, Guidewire
1mo
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Senior Python Development Lead
Philadelphia, Pennsylvania, United States
OnsiteFull Time
15+ YOE5+ Mgmt15+ years in data engineering/software development; Python/Django; ETL pipelines; data visualization; Agile; Linux; security; leads 5-6 juniors
Python, Django, SQL, Bash, JavaScript, Plotly Dash, D3.js, AG Grid, Apache Airflow, FastAPI, Linux, Git, CI/CD
3mo
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Senior Software Algorithm Engineer
Aurora or Philadelphia
$82k-$172k/yr OnsiteFull Time
5+ YOEBS in STEM fields; 5+ years software development; lead interdisciplinary team; TS/SCI clearance; Python/C/C++, Java, or Rust; domains SDA/SATCOM/SIGINT; willing to polygraph.
Python, C/C++, Java, Rust, Linux, AWS, CUDA, OpenCV, Git, Docker, Kubernetes, S3, EC2, Lambda
3mo
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Senior Software Developer
Aberdeen, Maryland, United States
$104k-$181k/yr OnsiteFull Time
5+ YOEDesign, develop, and implement software across multiple languages; lead components; troubleshoot; mentor and guide developers; ensure secure, maintainable results. Must be a US citizen with SECRET clearance.
Python, C++, Java, C#, Go, Docker, Kubernetes, CI/CD
1mo
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Nuuly Senior Software Engineer
Philadelphia, Pennsylvania, United States
OnsiteFull Time
5+ YOE5+ years software engineering experience with ~2 years senior-level responsibilities; strong JVM (Java/Kotlin/Scala) or backend skills, microservices, cloud (GCP/AWS/Azure), Docker/Kubernetes, Postgres/AlloyDB, and practical LLM/AI tool use.
Java, Kotlin, Scala, Python, Go, Node, TypeScript, JVM, Spring, Google Cloud Platform (GCP), AWS, Azure, Docker, Kubernetes, Postgres, AlloyDB, Kafka, Spark, Storm, RESTful APIs, ChatGPT, Claude, Cursor, Windsurf, Copilot, MCP
1mo
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Nuuly Senior Software Engineer
Philadelphia, Pennsylvania, United States
OnsiteFull Time
5+ YOE5+ years software engineering experience with ~2 years senior-level responsibility; strong JVM proficiency (Java/Kotlin/Scala), microservices, cloud (GCP/AWS/Azure), Kubernetes, Postgres/AlloyDB, distributed systems, and practical LLM/AI tooling experience.
Kotlin, Spring, Postgres, AlloyDB, Google Cloud Platform (GCP), AWS, Azure, Kubernetes, Docker, Java, Scala, Python, Go, Node, TypeScript, RESTful APIs, Kafka, Spark, Storm, ChatGPT, Claude, Cursor, Windsurf, Copilot, JVM, MCP
3w
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Senior Software Developer
Reston or Denver or Philadelphia
$120k-$160k/yr HybridFull Time
8+ YOEBachelor's in CS or related, 8+ years software development experience, active Top-Secret/SCI clearance (recently active), proficiency in Python and Java, Linux/Bash, RESTful APIs, databases (PostgreSQL/MongoDB), CI/CD and containerization, strong communication and systems-level experience.
Python, Java, Bash, ELK stack (Elasticsearch, Logstash, Kibana), Elasticsearch, Logstash, Kibana, PostgreSQL, MongoDB, Kubernetes, Docker, Podman, ArgoCD, GitLab, JFrog Artifactory, Bitbucket, C++, TypeScript, Perl, XML, JSON, SQL, js, Apache Web Server, Jira, Confluence, Crucible, Git, Amazon Web Services (AWS), GovCloud, Atlassian
3mo
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Senior Software Engineer
Annapolis Junction, Maryland, United States
$170k-$230k/yr OnsiteFull Time
7+ YOEActive TS/SCI with poly clearance required; 9 years with bachelor's or 7 years with master's; US citizenship; AWS, microservices, API development, Lambda, RDS, Grafana, Prometheus, MongoDB, DocumentDB.
Java, Spring Boot, Python, AWS, MongoDB, RDS, Grafana, Prometheus, DocumentDB, COTS/GOTS
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
1w
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Python API Developer
Malvern, Pennsylvania, United States
$110k-$120k/yr OnsiteFull Time
10+ YOEDesign and maintain REST APIs with Python and AWS Lambda; integrate with Amazon Aurora and DynamoDB; manage DB migrations with Liquibase; 10+ years experience and Bachelors in Computer Science required.
Python, Lambda, Aurora, DynamoDB, Liquidbase, CI/CD
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
1mo
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SENIOR SOFTWARE DEVELOPER/ENGINEER (CLOUD/CYBER)
Huntsville or Aberdeen or Colorado Springs or Crestview or Tupelo
OnsiteFull Time
7+ YOEBS in CS/Software Eng or equivalent, 7+ years software development experience, DoD Top Secret/SCI eligibility, experience with Python, containers, AI/LLMs, databases, Linux, AWS, and Agile/Scrum.
LLMs, Ollama, LM Studio, Python, C#, Go Lang, React, JavaScript, HTML, CSS, Git, Docker, Bash, TensorFlow, PyTorch, SQL, MongoDB, PostgreSQL, Redis, Linux, AWS, RESTful API, Agile/Scrum
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 with C#, Python, and React; full-stack development; strong communication; Bachelor’s in CS/engineering/math/physics or related.
C#, .NET, Python, React, JavaScript
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
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; hands-on C#, Python, and React; full-stack proficiency; strong communication; Bachelor's in CS, CE, Mathematics, Physics, or related.
C#, .NET, Python, React, JavaScript
1mo
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FedNow Senior Software Engineer
Boston or St. Louis or Cleveland or Philadelphia or Chicago or San Francisco or New York or Kansas City or Atlanta or Minneapolis or Dallas or Richmond
$150k-$225k/yr OnsiteFull Time
8+ YOESenior Software Engineer with 8+ years Java, 3+ years AWS cloud, cloud-first architectures, CI/CD, DevOps, and serverless experience.
Java, JavaScript, XML, JSON, HTML, CSS, Python, Linux, Unix, Windows, SQL, Oracle, DB2, Cloud, AWS, Serverless, Terraform, CI/CD, DevOps, Kafka