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
3mo
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Senior Software Engineer
Moorestown, New Jersey, United States
OnsiteFull Time
5+ YOEBachelor's degree or higher in engineering/computer science or related field; 5-7 years in software development; US citizenship with active DoD Secret clearance; strong C++, Java, Python skills; radar/real-time system experience preferred.
Java, C++, Python, Matlab, Eclipse, Linux, UNIX, UML, Cameo, JIRA, Clearcase, xUnit, JUnit, CPPUnitLite
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
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
1mo
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Senior Software Engineer
Arlington or Mount Laurel or Fall River or San Diego
$114k-$273k/yr HybridFull Time
5+ YOESecret clearance eligibility, 5+ years software experience, Bachelor's in CS or equivalent, proficiency in C/C++, Python, Java/JavaScript, Linux, Git, SOA, DevSecOps, Agile, and experience modernizing legacy tactical systems.
C, C++, Python, JavaScript, Java, Linux, shell scripting, Git, REST, gRPC, Postgres, Make, Maven, Ant, X-Windows, MBSE, Jenkins, Jira, Atlassian, VMWare vSphere, Azure, AWS, GCP, Hadoop, Spark, Kafka, Cassandra, GitHub Copilot, ChatGPT, Claude, Cursor, Codeium, React, Angular, Vue, Storybook, TCP/IP, UDP, CORBA, DDS, DevSecOps, Service-Oriented Architecture (SOA)
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
3mo
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Senior Software Developer
Conshohocken or Portland or Bucharest or Ia\u00021si or Barcelona or Tokyo or United States
OnsiteFull Time
6+ YOE6+ years software development experience, deep Python, relational databases and AWS experience, EMR not stated, Django and Angular preferred, bachelor's or equivalent experience, production-support mindset.
Python, Django, Angular, AWS, Claude Code
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
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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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
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
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
1w
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Senior Embedded Software Engineer - SMES Level (40885)
Camden, New Jersey, United States
$105k-$171k/yr OnsiteFull Time
6+ YOEU.S. citizen with active DoD Secret clearance, Bachelor's in engineering/CS, 6+ years embedded software experience, RTOS (Green Hills Integrity/VxWorks) and C/C++/Python proficiency, strong communication skills.
Green Hills Integrity, VxWorks, IBM Rhapsody, MagicDraw, C, C++, Python
3w
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Senior Lead Software Engineer, Full Stack (Bank Tech)
McLean or Wilmington or Philadelphia
$209k-$262k/yr OnsiteFull Time
6+ YOEBachelor's degree, 6+ years software engineering experience, 1+ year cloud experience (AWS/Azure/GCP); strong full-stack skills (JavaScript/Java/TypeScript/Python/Go), leadership of small teams, and fast onboarding to new codebases.
JavaScript, Java, TypeScript, Python, Go, AWS, Microsoft Azure, Google Cloud, Fargate, Lambda