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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
2mo
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Senior Backend Engineer (Python) - Content Understanding
San Francisco or Atlanta or Austin or Boston or Chicago or Dallas or Denver or Houston or Jacksonville or Los Angeles or Miami or New York City or Phoenix or Portland or Sacramento or Salt Lake City or San Diego or Seattle or Washington, D.C. or Ottawa or Toronto or Vancouver or Mexico City
$120k-$228k/yr HybridFull Time
7+ YOE7+ years software engineering; Python 5+ years; distributed systems; AWS; Terraform; leadership; bachelor’s in CS.
Python, Scala, Airflow, Spark, Databricks, Terraform, AWS, SQS, SNS, CloudWatch, Datadog
1mo
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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
3h
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Staff Backend Engineer
Somerville, Massachusetts, United States
$140k-$170k/yr HybridFull Time
Strong object-oriented Python experience, API design and production experience, building and scaling backend systems, collaboration and mentorship skills.
Python
2mo
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Backend Engineer
Somerville, Massachusetts, United States
$140k-$170k/yr OnsiteFull Time
Strong object-oriented Python; API design in production; collaborate in engineering; build and scale systems; improve reliability and performance.
Python, APIs, Object-Oriented Programming
1w
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CAD Integrations Backend Engineer
Boston or United States
$110k-$175k/yr HybridFull Time
5+ YOEBS/MS in a technical field, 5+ years building backend services, strong Python, experience with commercial CAD APIs and cloud-native backend systems, Protobuf/gRPC, Docker/Kubernetes, and working with 3D engineering data.
Python, Siemens NX Open, CATIA, SOLIDWORKS API, Creo Toolkit, Autodesk Inventor API, Protobuf, gRPC, Google Cloud, TypeScript, Next.JS, React.JS, GitHub Actions, Docker, Kubernetes, Spinnaker, PostgreSQL, C++
2mo
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Staff Backend Software Engineer
San Francisco or Cambridge
$180k-$225k/yr OnsiteFull Time
10+ YOE10+ years backend software development; expert Python, Django/DRF; PostgreSQL, AWS (S3, RDS/Aurora, IAM); Celery; Kubernetes; Docker; SOC2/ISO27001 security familiarity; scalable cloud architectures.
Python, Django, DRF, Celery, PostgreSQL, AWS, S3, Aurora, IAM, VPC, SageMaker, Kubernetes, Docker
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
3w
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Lead Backend Engineer (Modeling & Simulation)
Boston or San Francisco or United States
HybridFull Time
Strong backend engineering experience building production enterprise software in Python, designing services/APIs, relational databases (PostgreSQL), ORMs/migrations, cloud deployments, and providing technical leadership for small teams.
Python, PostgreSQL, SQLAlchemy, Alembic, Django ORM, FastAPI, Flask, Django, Pydantic, OpenAPI, JSON Schema, protobuf, Docker, Kubernetes, AWS, Azure, GCP
3w
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Senior Backend Software Engineer
Watertown, Massachusetts, United States
OnsiteFull Time
Bachelor's in CS/CE required; senior-level backend experience with Java, Python, or C++; strong AWS/cloud, Docker/Kubernetes, distributed systems, Linux, infrastructure automation (Terraform/Ansible), and web API design.
Java, Python, C++, AWS, Docker, Kubernetes, Linux, Terraform, Ansible, Slurm, Flow360, Tidy3D, CI/CD, HPC
2w
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Senior Backend Software Developer – IBM Quantum
Rochester or Yorktown Heights or San Jose or Austin or Cambridge
$131k-$226k/yr OnsiteFull Time
Experienced backend developer with proficiency in TypeScript/JavaScript, Golang or Python; Kubernetes/Docker; distributed systems, microservices, REST/gRPC, SQL databases (PostgreSQL); strong communication and leadership skills.
TypeScript, JavaScript, Golang, Python, Kubernetes, Docker, PostgreSQL, Grafana, Sysdig, Prometheus, slurm, LSF
2mo
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Backend Software Engineer – Robotics Platform
Charlestown, Massachusetts, United States
$120k-$185k/yr HybridFull Time
5+ YOE3–7 years backend or distributed systems; strong Python; C++ or similar; software architecture; experience with event-driven or microservices; robotics/ hardware exposure a plus.
Python, C++, Kafka, ROS
3mo
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Sr. Software Engineer - Backend
Lowell, Massachusetts, United States
$86k-$159k/yr HybridFull Time
7+ YOESenior backend developer with 7+ years of cloud-focused experience; proficient in Go, Python, Node.js, Java, and databases; strong background in microservices, APIs, DevOps, and security.
Go, Python, Node.js, C++, Java, AWS, Azure, Google Cloud, EC2, Lambda, S3, CloudFormation, MySQL, PostgreSQL, MongoDB, Redis, Cassandra, gRPC, REST, GraphQL, Docker, Kubernetes, CI/CD
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
2w
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Staff Backend Software Engineer
Atlanta or Austin or Boston or Washington DC or Seattle or Houston or Raleigh or Dallas or United States
$300k-$400k/yr RemoteFull Time
Experience building distributed systems (Scala preferred), designing AI-assisted development workflows and feedback loops, strong product thinking, ability to ship end-to-end features, and familiarity with cloud services and modern stacks.
Scala, GCP services, React, TypeScript, Go, Python, Java
3mo
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(Junior – Senior) Software Engineer - Backend/Platform
Somerville, Massachusetts, United States
$90k-$125k/yr HybridFull Time
Backend/Platform engineering with strong Python/SQL skills; experience with AWS/Azure; data pipelines; Terraform; NoSQL; security best practices.
Databricks, Terraform, SQL, NoSQL, AWS, Azure, Python, PHP
3mo
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Senior Backend Software Engineer
Cambridge or New York
$150k-$225k/yr OnsiteFull Time
5+ YOEFive+ years' experience building customer-facing APIs; RESTful API design; strong communication; full software lifecycle; knowledge of algorithms and data structures.
Python, Flask, FastAPI, Django REST Framework, PostgreSQL, Celery, RabbitMQ, Redis, Kafka, Jsonnet, Claude Code, Codex, Cline, AWS, EKS, Sentry, Prometheus, Git, Jenkins, GitHub Actions
2w
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Python Engineer
Athens or Lausanne or Boston or Europe
RemoteFull Time
3+ YOE3+ years backend Python experience with Django/DRF, REST API development, relational databases (MariaDB preferred), testing discipline, BS/MS in CS or related field, fluent English.
Python, Django, Django Rest Framework, MariaDB, Google Cloud Platform, Bootstrap, React JS, Ansible
3d
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Distinguished Engineer, Back End (Remote Eligibe)
Cambridge or United States or McLean or Richmond or New York City
$245k-$335k/yr RemoteFull Time
7+ YOEBachelor's degree and 7+ years in software engineering/architecture, experience with distributed HPC/ML systems, cloud platforms, and mentoring; strong coding and AI/ML practice.
AI and ML frameworks, AWS, Microsoft Azure, Google Cloud, Python, Java, Go, Scala, JavaScript, TypeScript
2mo
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Technical Lead, Backend (Civil Aviation)
Boston, Massachusetts, United States
OnsiteFull Time
3+ MgmtExperience building production-grade backend or distributed systems; proficiency in Rust and/or Python; real-time data pipelines; AWS; lead small engineering teams; end-to-end ownership.
Rust, Python, AWS
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