64 junior platform engineer jobs at 26 companies in Sumner, WA
1w
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Data & AI Platform Engineer
San Ramon or Salt Lake City or Philadelphia or Chicago or Pasadena or Bellevue or Irvine or Duluth or Los Angeles or Boca Raton or Brunswick or Atlanta or Boise or El Segundo or Denver or Dallas or New York City or Los Angeles or Garden City or Nashville or St. Louis or Woodland Hills or San Jose or San Francisco or Austin
$105k-$143k/yr OnsiteFull Time
2+ YOERequires 2+ years in data, platform, analytics engineering, or cloud operations; 1+ year accounting experience; cloud data, BI, CI/CD, scripting, SQL, governance, and AI/ML familiarity.
Microsoft Fabric, Snowflake, Databricks, Power BI, Tableau, Git, Python, PowerShell, SQL, Azure Key Vault, Azure OpenAI, AI Search
1w
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Platform Engineer, Flight Software (Starlink)
Redmond or Seattle
OnsiteFull Time
2+ YOEBachelor's degree in computer science, engineering, math, or STEM, or 2+ years software development experience; development experience in C/C++, Python, or similar languages.
C, C++, Python, Bazel, Bash
1w
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AI Inference Platform Engineer
Seattle, Washington, United States
OnsiteFull Time
Build tooling, automation, benchmarking systems, capacity models, and data analysis pipelines for AI inference infrastructure and scaling decisions.
2w
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Multi-Cloud CDN Scheduling Platform Engineer Intern (CDN Platform) - 2027 Summer
Seattle, Washington, United States
OnsiteInternship
Currently pursuing a bachelor's or master's degree in a related field; familiar with Python, Go, Java, or C/C++; understands core computing concepts and has strong analytical skills.
Python, Go, Java, C, C++, Linux, SQL, HTTP, DNS
5d
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Self-Built Engineer Graduate (CDN Platform) - 2027 Start
Seattle or Los Angeles or New York City or London or Dublin or Paris or Berlin or Dubai or Jakarta or Seoul or Tokyo or United States or Singapore
$122k-$243k/yr OnsiteFull Time
0+ YOEBachelor's degree in a relevant engineering or computer science discipline, programming knowledge, and foundations in data structures, operating systems, networks, databases, and internet technologies.
Go, Python, Java, C, C++, HTTP, DNS, TCP/IP, TLS, Linux
2mo
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Systems Development Engineer, Platform Engineering & Emerging Technology
Seattle, Washington, United States
$99k-$160k/yr OnsiteFull Time
1+ YOERequires active Top Secret/SCI clearance, bachelor's degree or CSSLP, 1+ years professional software development and systems engineering/admin experience, programming in modern languages, and experience with networking/storage/OS administration.
Amazon Dedicated Clouds (ADC), AWS Systems Manager (SSM), AWS, Perl, Ruby, C, C++, Java, Python, C#, Golang, PowerShell
1mo
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Junior Software Engineer, AI-Native
Seattle, Washington, United States
OnsiteFull Time
1+ YOE1-2 years software engineering experience, strong CS background, track record building AI/LLM-powered tools, fluency in JavaScript/TypeScript, API integration (REST/GraphQL), Git, CI/CD, and familiarity with cloud platforms (AWS).
JavaScript, TypeScript, Node.js, Claude, Claude Code, Codex, Cursor, GitHub Copilot, REST, GraphQL, GitHub, Jira, HubSpot, NetSuite, AWS, Terraform, Docker, OAuth2, JWT, GitHub Actions, AWS Lambda, ECS, CloudWatch, Datadog, Grafana
2mo
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Software Engineer- Billing Platform
Overland Park or Atlanta or Frisco or Bellevue
$93k-$167k/yr OnsiteFull Time
2+ YOEBachelor's in Computer Science/Engineering (or equivalent), 2+ years technical engineering experience, proficiency with Java, Spring Boot, Node.js, microservices, frontend frameworks, SQL/NoSQL, DevOps tooling, and AI tools; strong communication and customer-facing skills.
Java, Spring Boot, Node.js, Microservices, REST, Kafka, RabbitMQ, JavaScript, TypeScript, Angular, HTML, CSS, SQL, NoSQL, GitLab CI, Docker, Kubernetes, AWS, Agentic AI, AI tools
2w
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Junior Full Stack Developer (Data CoE)
Bellevue or Frisco or Atlanta or Overland Park
$50-$55/hr OnsiteFull Time
0+ YOERequires 0-3 years of experience, 3.5 GPA, and skills in full-stack development, data platforms, APIs, databases, cloud technologies, and software engineering practices.
Java, Microsoft Azure, Python, React, Angular, Vue.js, HTML, CSS, JavaScript, TypeScript, Node.js, SQL, Postgres, MySQL, MongoDB, REST, Git, CI/CD, Docker, AWS, GCP, ETL, AI, ML, Microsoft
3mo
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Game Engine Engineer, Platform
Redmond, Washington, United States
$100k-$130k/yr OnsiteFull Time
0+ YOEExpertise in C++ and real-time physics, experience with simulation loops, collision detection, multi-threading/SIMD, profiling/debugging tools, and engine integration. 0+ years experience; BS/MS in CS/SE/Physics/Math or equivalent preferred.
C++, Python, C#, Lua, CUDA, Unreal Engine, Unity, Havok, Bullet, PhysX, VTune, PIX, Nsight, RenderDoc, DOTS/Physics, SIMD
1mo
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(Senior) Software Engineer, Experimentation Platform - CoreAI
Redmond or Mountain View or New York
$102k-$202k/yr HybridFull Time
2+ YOEBachelor's in CS or related and 2+ years engineering experience (or equivalent); coding in C, C++, C#, Java, JavaScript, or Python; cloud and distributed systems experience preferred; must pass Microsoft cloud background checks.
C, C++, C#, Java, JavaScript, Python, Azure, AWS, GCP
3w
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Software Engineer, Data Platform (All Teams)
San Francisco or Seattle or Sunnyvale or New York City
$131k-$285k/yr OnsiteFull Time
2+ YOEComputer science degree or equivalent, 2+ years industry experience at I4 or 5+ years at I5, AI coding tool proficiency, and experience building scalable big data infrastructure and governance.
Apache Spark, Apache Flink, Apache Kafka, Apache Airflow, Cassandra, ClickHouse, Apache Iceberg, DataHub, Claude Code, Codex, Cursor
2mo
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Site Reliability Engineer, Platform Responsibility - USDS
Seattle, Washington, United States
$130k-$246k/yr OnsiteFull Time
1+ YOEBachelor in CS or related,1+ year experience,experience with AI/LLM API integration,Unix/Linux and networking knowledge,monitoring tools (Prometheus,Grafana,DataDog).
Prometheus, Grafana, DataDog, MySQL, Redis, Nginx, Kafka, Kubernetes, Docker, Hadoop, Spark, Flink, Hive, ClickHouse
1w
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Software Engineer - Live Link
Seattle, Washington, United States
$91k-$125k/yr HybridFull Time
2+ YOERequires 2+ years of software engineering experience, production backend services and APIs, distributed systems or data pipelines, databases, cloud platforms, debugging, and a computer science degree or equivalent experience.
C#, Python, Java, Microsoft Azure, Kubernetes, CI/CD
1d
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Software Engineer, Unified Gateway
San Francisco or Seattle or Los Angeles or New York City
$131k-$192k/yr OnsiteFull Time
2+ YOERequires 2+ years in backend, infrastructure, or platform engineering; experience with gRPC, REST APIs, Protocol Buffers, distributed systems, high-throughput production systems, and Kotlin or another JVM language.
gRPC, REST APIs, Protocol Buffers, Kotlin, Vert.x, OpenAPI, Claude Code, Codex, Cursor, iOS, Android, Web
1w
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Software Engineer, Fulfillment Core Services
Seattle, Washington, United States
$128k-$160k/yr HybridFull Time
2+ YOERequires 2+ years of software engineering experience, BS/MS or equivalent, object-oriented programming, distributed systems, cloud platforms, scripting, CI tools, relational and NoSQL databases, and English communication.
Python, Golang, AWS, GCP, Microsoft Azure, Jenkins, Buildkite, CircleCI, TeamCity
3w
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Sr AI Engineer
Bellevue, Washington, United States
$164k-$246k/yr OnsiteFull Time
2+ YOEGraduate degree in Computer Science or related,2+ years industry experience,experience building and deploying LLM-based agentic AI systems,proficiency in programming and large-scale data platforms.
LLMs, Spark, Hadoop, Python, Java, C/C++, PyTorch, TensorFlow
3w
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Software Engineer I
Bellevue, Washington, United States
$151k-$227k/yr RemoteFull Time
1+ YOEBachelor's degree in CS or related field,1 year software development experience,proficiency with C#,JavaScript,React,Python,Git,SQL and cloud platforms; strong communication and critical thinking.
C#, ASP.NET, HotChocolate, Python, JavaScript, React, Linux, Git, SQL, AWS, Azure, GCP
1mo
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Technical Support Engineer- Windows (200045001)
Redmond, Washington, United States
OnsiteFull Time
Provide technical support and troubleshooting for the Windows platform; resolve customer issues and escalate as needed.
2w
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Software Engineer - New Grad
New York City or Seattle or Los Angeles or Mountain View or San Francisco
$120k-$140k/yr OnsiteFull Time
Graduating Winter 2026 or Spring/Summer 2027 with a 3.7 GPA; backend programming, databases, cloud platforms, APIs, microservices, debugging, and problem-solving skills.
Java, Go, PostgreSQL, MongoDB, Redis, AWS, Google Cloud, Microsoft Azure, RESTful APIs, Docker, Kubernetes, CI/CD
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