76 junior backend engineer jobs at 50 companies in Fairfield, CA
2w
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Backend Engineer - Connectivity
San Mateo, California, United States
$125k-$160k/yr OnsiteFull Time
1+ YOE1+ years backend experience, BS/MS in CS or related, proficiency in Python and/or Go, experience with Redis/DynamoDB/Postgres, Kafka/SQS, Terraform/Kubernetes, and REST APIs.
Redis, DynamoDB, Postgres, Kafka, SQS, Terraform, Kubernetes, Python, Go, REST APIs
1mo
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Backend Engineering Intern
San Francisco or Istanbul or Ankara
HybridFull Time, Internship
0+ YOE3rd/4th-year CS or engineering student with backend interest; hands-on backend experience via coursework/projects/internships; OOP, data structures, algorithms, and Git familiarity; strong analytical and communication skills.
Git
1d
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Senior Backend Software Engineer
San Francisco, California, United States
$155k-$180k/yr OnsiteFull Time
4+ YOERequires 4+ years of backend engineering and programming experience, strong JVM expertise, Kafka and Kubernetes experience, cloud-native platform knowledge, and observability platform experience.
Kotlin, TypeScript, Python, gRPC, REST APIs, GraphQL, MQTT, Kubernetes, Apache Kafka, Datadog, AWS, GCP, Azure, AWS IoT, SQL, Flink, Spark, Istio, Spring Boot, Micronaut, Pulumi, Terraform, Stripe
2w
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Backend Platform Engineer
San Francisco, California, United States
$180k-$240k/yr OnsiteFull Time
2+ YOEMinimum 2 years backend infra experience; familiarity with Python, DevOps, Bash, Linux, Kubernetes, Terraform, AWS/GCP; Typescript is a bonus; strong problem-solving for national security use cases.
Python, DevOps, Bash, Linux, Kubernetes, Terraform, AWS, GCP, Typescript
1d
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Backend Software Engineer
San Francisco, California, United States
$120k-$140k/yr HybridFull Time
1+ YOE1–3 years of software engineering experience; production systems experience with Golang or Java, Python, or Scala; distributed systems, cloud-native, Kubernetes, CI/CD, databases, and Git expertise.
Golang, Java, Python, Scala, AWS, GCP, Azure, Kubernetes, GitHub Actions, Redis, Cassandra, DynamoDB, ScyllaDB, Postgres, ElasticSearch, git, GitHub
2w
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Software Engineer, Backend (Release Engineering)
San Francisco, California, United States
$148k-$200k/yr HybridFull Time
2+ YOE2+ years software engineering experience, product-first mindset, expertise with a web framework (node or python), strong problem solving, ownership, communication, and interest in life sciences; brief AI exercise in interview.
node, python
1w
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Software Engineer, Backend, Level 4
Los Angeles or New York City or Bellevue or Seattle or San Francisco or Palo Alto or Santa Monica
$133k-$235k/yr OnsiteFull Time
2+ YOEBachelor's in a technical field or equivalent experience,2+ years post-Bachelor’s software development experience,experience with distributed systems,operational skills,collaboration and strong CS fundamentals.
Java, C++, Python, NoSQL, Memcache, Redis, Kubernetes, Google services, AWS services
2mo
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Software Engineer- Backend Intern (Fall 2026)
San Francisco, California, United States
$29/hr OnsiteInternship
Pursuing a CS degree; strong Python; databases and pub/sub/streaming experience; open to applicants not matching all criteria.
Python, PostgreSQL, RabbitMQ, Apache Flink, Kubernetes
1mo
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Senior Software Engineer - Backend
New York City or San Francisco or London or Sydney
$170k-$240k/yr OnsiteFull Time
2+ YOE2+ years building high-quality software; strong CS fundamentals; experience with backend services, continuous deployment, and cloud infrastructure; teamwork and ownership mindset.
Rust, Go, GraphQL, Node, Kubernetes, SQL, Python, GCP, AWS, Azure
1mo
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Software Engineer, Backend, Level 4
Santa Monica or Los Angeles or New York City or Bellevue or Seattle or San Francisco or Palo Alto
$157k-$235k/yr OnsiteFull Time
2+ YOEBachelor's in CS or equivalent experience, 2+ years post-degree software development experience, distributed systems/backend experience, strong collaboration skills, proficiency with Java/C++/Python and cloud/NoSQL systems, ability to use AI tools responsibly.
Java, C++, Python, NoSQL, Memcache, Redis, Kubernetes, Google services, AWS services, AI tools
2mo
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Software Engineer Intern - Backend Focused - Winter 2027
New York or San Francisco or Seattle
OnsiteInternship, Temporary
Current undergraduate/graduate student in CS or related field, previous software engineering internship experience with Python, backend programming skills, strong communication and critical thinking.
Python, Slack, Microsoft 365
1mo
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Frontend Developer (React) Junior/Mid
San Francisco, California, United States
RemoteFull Time
3+ YOERequires 3+ years with React, JavaScript/TypeScript, modern CSS frameworks, and REST/GraphQL API integration; experience optimizing UI performance and collaborating with designers/backend engineers.
React, JavaScript, TypeScript, REST, GraphQL, CSS
3d
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Platform Engineer
San Francisco or Singapore
$150k-$250k/yr HybridFull Time, Contract
2+ YOE2–4 years owning production cloud infrastructure; deep AWS and container experience; Terraform, Kubernetes/EKS, Docker, CI/CD, observability, and strong backend engineering judgment.
AWS, Terraform, Kubernetes, EKS, Helm, Docker, EC2, CodeBuild, ECR, S3, IAM, CI/CD
3d
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Software Engineer, Enterprise Expansion
San Francisco, California, United States
$164k-$306k/yr HybridFull Time
2+ YOE2+ years software engineering experience, strong full-stack and backend systems knowledge, data modeling, ownership of cross-functional projects, clear communicator, focus on code quality and testing.
Terraform, dbt, Databricks
3w
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Applied AI Engineer
San Francisco, California, United States
HybridFull Time
2+ YOE2+ years professional software/ML or applied AI experience, strong software engineering, experience with language models/AI APIs, backend and data pipeline skills, ability to evaluate models and work with healthcare workflows.
Python
2mo
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Applied AI Engineer
San Francisco, California, United States
$171k-$242k/yr HybridFull Time
2+ YOE2+ years building and deploying AI/ML applications, hands-on LLM experience, backend engineering with Python, API development (FastAPI/Django), cloud container deployment, R&D on model capabilities, and evaluation tooling experience.
Langfuse, LangSmith, FastAPI, Django, AWS, GCP, Azure, Terraform, Pulumi, GitHub Actions, React, Python, OpenAI, Anthropic, Google
2mo
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Software Engineer
San Francisco, California, United States
$130k-$180k/yr OnsiteFull Time
2+ YOE2+ years building production software with backend system design, workflow orchestration (Temporal), agentic LLM applications (langchain, pydantic-ai, agno), RAG/search pipelines, and proficiency with Nextjs/React/Typescript and Python/FastAPI/Pydantic.
Temporal, langchain, pydantic-ai, agno, RAG, Claude Code, Cursor, Codex, MCP, Nextjs, React, Typescript, Python, FastAPI, Pydantic
4w
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Software Engineer, Infrastructure
San Francisco, California, United States
$133k-$184k/yr HybridFull Time
2+ YOE2+ years infrastructure or backend experience; hands-on with Terraform and Kubernetes; familiarity with AWS, DynamoDB, RDS; strong Python skills and systems-thinking; experience with Airflow/Flink a plus.
Airflow, Flink, DynamoDB, RDS, Terraform, Kubernetes, Python, chalk.ai, AWS
2mo
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AI Engineer
San Francisco, California, United States
OnsiteFull Time
Backend/AI engineer role focusing on AI infrastructure, LLM integration, data pipelines, and scalable autonomous workflows.
2w
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Software Engineer
Boston or San Francisco or New York City or Paris or London
$90k-$120k/yr RemoteFull Time
2+ YOE2+ years backend engineering experience, strong programming and debugging skills, SQL and data modeling, Git and CI/CD experience, familiarity with AI coding assistants, and strong communication.
Claude Code, SQL, Git, CI/CD, Databricks, Apache Spark, Docker, Kubernetes, MLflow, Airflow, Kubeflow, Argo, Dagster, Terraform, Ansible, Grafana, Elasticsearch, Lucene, GraphQL, scikit-learn, TensorFlow, PyTorch
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