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
1mo
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Backend Software Engineer
Waltham or Boston or United States
$127k-$171k/yr HybridFull Time
8+ YOE8+ years backend development with Java/Kotlin or similar, B.Sc. in Computer Science, strong OOP, distributed/cloud experience (AWS preferred), relational DB/SQL skills, and strong communication.
Kotlin, Java, Python, .NET, AWS, Relational Databases, SQL, CI / CD
1mo
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Backend Software Engineer
Waltham or Boston
$127k-$171k/yr HybridFull Time
8+ YOE8+ years backend development experience with Java/Kotlin or similar; BSc in Computer Science required; strong OOP, SQL, cloud (AWS) and CI/CD experience; excellent communication skills.
Kotlin, Java, Python, .NET, AWS, SQL, CI/CD, Zoom
2mo
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Backend Software Engineer
Gaithersburg, Maryland, United States
$108k-$195k/yr OnsiteFull Time
6+ YOEActive Top Secret/SCI clearance with CI poly eligibility; bachelor’s (required) or master’s in CS or related; 6+ years experience (varies by degree); strong Java or Python, SQL, REST API, Linux skills.
Java, Python, SQL, Linux, RESTful APIs, Apache Airflow, PostGIS, Spring Boot, Django, GitLab, Jenkins, Docker, OpenShift, Kubernetes, AWS, Azure
3w
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Senior Software Engineer - Backend
United States or Ontario or British Columbia
$130k-$210k/yr RemoteFull Time
5+ YOE5+ years software engineering experience; strong Java and cloud-native backend (AWS) experience; experience with real-time or data-intensive systems, APIs, and SQL; algorithm and production system experience.
Java, AWS, SQL, Apache Kafka, Python, JupyterHub, JavaScript, Vue.js, AWS Step Functions
1mo
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Backend Engineer
Giv'atayim or Tel Aviv or New York City or London or Singapore or São Paulo
HybridFull Time
5+ YOE5+ years backend/platform engineering experience, 5+ years with Java, Kubernetes experience, SQL and relational DB knowledge, Python familiarity, leadership and platform design experience, practical experience with AI dev tools (e.g., Cursor).
Java, Python, Kubernetes, SQL, Cursor, CI/CD, Azure, AWS
2w
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Senior Software Engineer, Backend (AdTech)
Palo Alto, California, United States
$160k-$220k/yr HybridFull Time
5+ YOE5+ years backend engineering experience, B.S. in Computer Science or equivalent, strong knowledge of Python/Node.js/C++/Go/C#/Java, production systems, SQL, algorithms; AdTech experience preferred.
Python, Node.js, C++, Go, C#, Java, SQL, OpenRTB
1mo
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Senior Software Engineer, Backend
Tempe, Arizona, United States
HybridFull Time
Strong backend development in Java/Python/Node.js; APIs, microservices, distributed systems; debugging production issues; databases SQL/MongoDB; CI/CD; cross-time-zone collaboration.
Java, Python, Node.js, APIs, Microservices, Distributed Systems, Datadog, CloudWatch, CI/CD, SQL, MongoDB
1w
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BackEnd Software Engineer (Experienced or Senior)
Berkeley or Saint Louis
$127k-$217k/yr OnsiteFull Time
5+ YOERequires bachelor’s degree, active U.S. Secret clearance, 5+ years backend development experience with Java/Go/Python and SQL, experience with infrastructure, CI/CD, containerization, and Agile.
Java, Spring, Oracle SQL, SQL Server, PL/SQL, Go, Python, JavaScript, NodeJS, ReactJS, C++, GitLab, CI/CD, Docker, Kubernetes, Kafka, NiFi, Redis, RabbitMQ, AWS
1w
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BackEnd Software Engineer (Experienced or Senior)
Berkeley or Saint Louis
$127k-$217k/yr OnsiteFull Time
5+ YOE5+ years backend development experience (Java, Go, Python), SQL/DB experience, bachelor’s degree, active U.S. Secret security clearance, Agile experience, CI/CD and containerization familiarity.
Java, Spring, Oracle SQL, SQL Server, PL/SQL, Go, Python, C++, GitLab, CI/CD, Docker, Kubernetes, JavaScript, NodeJS, ReactJS, Kafka, NiFi, Redis, RabbitMQ, AWS
2d
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Backend Software Developer (Telework) (BT-2)
Annapolis Junction, Maryland, United States
$190k-$225k/yr HybridFull Time
14+ YOETS/SCI with Polygraph, 14+ years software engineering experience, proficiency in Java/C++/Python, AWS, Git, PostgreSQL/SQL, Jira/Confluence, Agile, testing, and technical documentation; bachelor's degree or 5 additional years experience.
Java, C++, Python, Git, PostgreSQL, SQL, Amazon Web Services (AWS), Jira, Confluence
3mo
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Java backend data engineer - Smithfield RI
Smithfield, Rhode Island, United States
$40k-$142k/yr OnsiteFull Time
Photon: Independent technology services provider.
5+ YOEBachelor's degree with 5+ years' experience; 10+ years Java development with Spring; 2+ years AWS; 3+ years SQL; 1+ year Python; Docker; DevOps tools.
Java, Spring Batch, Python, AWS, Oracle, Snowflake, Unix Shell Scripting, Control-M, Jenkins, Terraform, CloudFormation, Docker, Kubernetes, SQL
3mo
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Senior Software Engineer, Backend
San Francisco, California, United States
$170k-$220k/yr HybridFull Time
Sleeper: Mobile platform for fantasy sports leagues and fan communities.
5+ YOE5+ years backend software engineering; distributed systems; proficient in Go, Python, Node.js, or Java; SQL/NoSQL databases; caching; message queues; RESTful/GraphQL APIs; cloud (AWS/GCP); containers (Docker); orchestration (Kubernetes a plus); strong collaboration and communication; Elixir (Bonus); passion for sports/gaming.
Go, Python, Node.js, Java, SQL, NoSQL, Kafka, RabbitMQ, Pub/Sub, REST, GraphQL, AWS, GCP, Docker, Kubernetes, Elixir
5d
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Sr. Software Engineer (Backend)
Raleigh, North Carolina, United States
$135k-$150k/yr HybridFull Time
5+ YOE5+ years software engineering experience, backend proficiency (Go/Java/Python/C++), cloud (AWS/GCP), SQL and NoSQL, testing and safe rollout experience, active use of AI tools, Bachelor's in CS or equivalent.
Go, Java, Python, C++, AWS, GCP, SQL, NoSQL
2mo
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Backend Engineer
United States
RemoteFull Time
5+ YOE5+ years software engineering; Python/Java/Scala; hacker mindset
Python, Java, Scala, SQL, Spark, Airflow
2mo
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Senior Backend Engineer
Pittsburgh, Pennsylvania, United States
$25-$60/hr RemoteContract
4+ YOESenior backend engineer with 4+ years' experience in Java (Spring/WebFlux) and Python; PostgreSQL; Databricks; AWS/Azure; CI/CD; REST APIs; strong problem solving and communication.
Java, Spring Boot, REST, Python, Databricks, PostgreSQL, SQL, Angular, Azure, AWS, Kubernetes, Redis, Apigee, CI/CD, DevOps, Databricks notebooks, K6
2mo
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Senior Backend Developer
Vienna, Virginia, United States
OnsiteFull Time
5+ YOEBachelor's in CS/engineering/GIS; 5+ years backend experience; Python, Node.js, Java; REST APIs; ArcGIS Enterprise; containerized environments; TS/SCI eligibility.
Python, JavaScript/Node.js, Java, ArcGIS Enterprise, Docker, Kubernetes, REST API, PostgreSQL, PostGIS, SQL Server
1mo
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Senior Backend Engineer – AI Platform
Boston or San Francisco or Seattle or Dallas or Salt Lake City or Portland or United States
$122k-$146k/yr RemoteFull Time
5+ YOEBachelor's in CS/Software Engineering, 5–8 years software engineering experience; expertise in backend Java/C# (SpringBoot), REST/gRPC, SQL; experience building scalable distributed systems and AI/LLM-driven services.
Java, C#, SpringBoot, REST, gRPC, ODATA, SQL, OpenAI APIs, LangChain, Python, Kafka, Docker, Kubernetes, Model Context Protocol (MCP), Pinecone, Weaviate, OpenSearch, Milvus
2mo
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Backend Senior Software Engineer
Austin or Bellevue
$111k-$172k/yr HybridFull Time
2+ YOESenior backend engineer with a bachelor's or master’s in STEM and 2+ years (or 5+ yrs directly) of related experience; strong coding and problem-solving skills.
Java, C++, HTML, CSS, JavaScript, Python, C#, PHP, Angular, React, Kubernetes, Docker, APIs, SQL
2w
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Senior Backend Software Engineer
Addison, Texas, United States
HybridFull Time
5+ YOE5+ years experience in C# producing production-ready code; knowledge of data structures, algorithms, SQL/NoSQL, acceptance testing, and agile development; strong communication skills.
C#, Python, C++, PowerShell, JavaScript, Go, Rust, Java, Kubernetes, Azure Blob Storage, Opensearch, Elastic, Redis, SQLlite, MS SQL, Microsoft Entra Id, Microsoft 365, Azure AD Connect, Azure Ad B2C, Azure Application programming model, HTTP, TLS, GRPC, WebSocket, AMQP, Kafka, OAuth / OpenId Connect (OIDC), SAML, REST
3mo
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Principal Backend Software Engineer - HYBRID
Annapolis Junction, Maryland, United States
$220k-$224k/yr HybridFull Time
20+ YOEActive TS/SCI with polygraph; Bachelor's in CS or related field plus 20 years SWE experience; 24 years may substitute; experience with test procedures, documentation, Agile, Jira/Confluence, Git, Java/C++/Python, Postgres, AWS.
Git, Java, C++, Python, Postgres, SQL, AWS, Jira, Confluence
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