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
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
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
3mo
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
Senior Backend Engineer
Cambridge, Massachusetts, United States
$150k-$200k/yr OnsiteFull Time
Backend engineer with Python/Node.js, cloud (GCP/AWS), databases, APIs (REST/gRPC/GraphQL), CI/CD, and microservices.
Python, Terraform, Google Cloud Platform, Node.js, Express.js, REST, gRPC, GraphQL, SQL, NoSQL, PostgreSQL, MongoDB, Firebase, CircleCI, GitLab, Git, Perforce, Microservices, TypeScript, Java, C++, Go
3d
Save
Mark Applied
Hide
Senior Lead Software Engineer, Back-End
McLean or New York City or Boston
$209k-$286k/yr OnsiteFull Time
6+ YOEBachelor's degree,6+ years software engineering experience,1+ year cloud experience; experience with Java/Scala/Python/Go/Node, AWS/GCP/Azure, Kubernetes, ML platform engineering preferred.
Java, Python, SQL, Node, Go, Scala, Docker, Kubernetes, AWS, Microsoft Azure, Google Cloud
1mo
Save
Mark Applied
Hide
Senior Lead Software Engineer, Back End (Finance Tech)
Richmond or McLean or Cambridge
$209k-$239k/yr OnsiteFull Time
6+ YOEBachelor's degree, 6+ years professional software engineering experience, 1+ year cloud experience (AWS/Azure/GCP); proficiency in Java/Python/SQL/Node/Go/Scala, containerization (Docker/Kubernetes); leadership and Agile experience preferred.
Java, Python, SQL, Node, Node.js, Go, Scala, Docker, Kubernetes, AWS, Microsoft Azure, Google Cloud, Open Source RDBMS, NoSQL
2mo
Save
Mark Applied
Hide
Senior Lead Software Engineer, Back-End Distributed Systems (AWS, Go, Kubernetes, MCP, Lua, Python)
Cambridge or McLean or New York or Plano or San Jose
OnsiteFull Time
6+ YOE6+ yrs software engineering; 1+ yr cloud (AWS); BS; backend distributed systems exp; Go, Lua, Python, AWS, Kubernetes.
AWS, Kubernetes, Go, Lua, Python, JavaScript, Java, TypeScript, SQL, HTML/CSS, Docker, MongoDB, MySQL, PostgreSQL
3mo
Save
Mark Applied
Hide
Senior Software Engineer (Backend, Business Systems)
Boston, Massachusetts, United States
$150k-$215k/yr OnsiteFull Time
5+ YOEBS in CS or related field; 5+ years backend experience; proficiency in at least one modern backend language; API design; databases and cloud; collaboration and mentoring; AI tooling experience.
Java, Python, Go, AWS, GCP, Azure, APIs, Relational Databases, Data Modeling, CI/CD, AI tools
2w
Save
Mark Applied
Hide
Senior Lead Software Engineer, Full Stack/Back End (Intelligent Foundations and Experiences)
McLean or Cambridge or Richmond
$230k-$262k/yr OnsiteFull Time
6+ YOE1+ MgmtBachelor's degree and 6+ years software engineering experience; 1+ year cloud experience; 1+ year people management preferred; experience with JavaScript/Java/TypeScript/SQL/Python/Go; strong communication and critical thinking.
JavaScript, Java, HTML/CSS, TypeScript, SQL, Python, Go, Open Source RDBMS, NoSQL, Docker, Kubernetes, AWS, Microsoft Azure, Google Cloud, GCP
1mo
Save
Mark Applied
Hide
Senior Full Stack Engineer, Sponsored Ads
Boston, Massachusetts, United States
$141k-$225k/yr OnsiteFull Time
5+ YOE5+ years software engineering experience with TypeScript, Java, Python, frontend (React/Next.js) and backend services; experience with CI/CD (Jenkins), AWS, Terraform, SQL/NoSQL, system design, observability, and collaborating with data science/AI teams.
TypeScript, Python, Java, Spring Boot, Next.js, React, Jenkins, AWS, Terraform, SQL, NoSQL, CI/CD
1mo
Save
Mark Applied
Hide
Machine Learning Engineer
Manchester, New Hampshire, United States
OnsiteFull Time
6+ YOEM.S. in CS/AI, 6+ years backend/distributed systems experience, strong Java (Spring Boot, Spring MVC, Hibernate) and Python skills, production ML (PyTorch), Apache Kafka/Spark/ZooKeeper, databases (Oracle, IBM Db2, MSSQL, MongoDB), cloud (AWS).
Java, Spring Boot, Spring MVC, Hibernate, Python, PyTorch, Apache Kafka, Apache Spark, ZooKeeper, REST, SOAP, Oracle, IBM Db2, MSSQL, MongoDB, AWS