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47 core java software engineer jobs at 16 companies in Washington

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Senior Software Engineer, Core Experience
United States or San Francisco or California or New York or Connecticut or New Jersey or Washington or Oregon or Delaware or Maine or Massachusetts or Maryland or New Hampshire or Rhode Island or Vermont or District of Columbia or Pennsylvania or Virginia or Colorado or Texas or Illinois or Hawaii
$214k-$221k/yr RemoteFull Time
Instacart
InstacartNasdaq Global Select Market: CART: Public grocery technology serving retailers, shoppers, consumers, and brands through marketplace, enterprise, advertising, and delivery platforms.
5+ YOEBachelor's degree in a related field and 5+ years of software engineering experience with Java, Ruby, Python, databases, API query technologies, and large codebases; 2+ years in machine learning and application architectures.
Java, Ruby, Python, MySQL, PostgreSQL, NoSQL, GraphQL
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Java/J2EE Developer
Seattle, Washington, United States
OnsiteFull Time
Infosys
InfosysNYSE: INFY: Global leader in next-generation digital services and consulting.
Bachelor's degree or equivalent experience; experience with Core Java, J2EE, Spring Boot, Spring MVC, REST APIs, Angular or React, software development life cycle, testing, integration, and production support.
Java, J2EE, Spring Boot, Spring MVC, REST API, Angular, React, Microservices, Oracle Database, Confluent Kafka, AI, cloud, SDLC
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1mo
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Software Development Engineer, Core Shopping
Seattle, Washington, United States
$144k-$194k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Multinational technology focused on e-commerce and cloud computing.
3+ YOE3+ years professional software development, 2+ years design/architecture experience, proficiency in C#/C++/Java/Perl, bachelor's degree in CS/Engineering/Mathematics or equivalent, EM/SDLC experience.
C#, C++, Java, Perl
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2mo
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Software Engineer, Core Data Services
Seattle, Washington, United States
$140k-$190k/yr HybridFull Time
Qumulo
Qumulo: The world's most advanced file system – any data, any location, total control.
2+ YOE2+ years production software experience; proficiency in compiled languages (C, Rust, C++, C#, Java, Go); strong CS fundamentals; BS in CS or equivalent; experience with Linux tooling and GDB a plus.
C, Rust, C++, C#, Java, Go, GDB, Linux
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Software Engineer-MCAPS Core
Redmond, Washington, United States
$85k-$168k/yr HybridFull Time
Microsoft
MicrosoftNASDAQ: MSFT: Multinational technology providing software, cloud, and AI solutions.
Bachelor's degree in CS or related field (or equivalent experience). Proficiency coding in C,C++,C#,Java,JavaScript,or Python. Experience building high-performance, highly available services and collaborating on technical projects.
C, C++, C#, Java, JavaScript, Python
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Staff Software Engineer, Core Infrastructure
Bellevue or Seattle or San Francisco or Palo Alto or Los Angeles
$195k-$343k/yr OnsiteFull Time
Snap
SnapNYSE: SNAP: Develops social media applications and augmented reality technology.
9+ YOEBachelor's in CS/Engineering or equivalent; 9+ years software development experience (reduced with advanced degree); proven technical lead experience building and operating large-scale distributed backend systems; strong system design and leadership skills.
Go, Java, Python, C++, Kubernetes
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Principal Software Engineer, Core Infrastructure
Seattle or United States
$100k-$235k/yr OnsiteFull Time
Oracle Corporation
Oracle CorporationNYSE: ORCL: Cloud infrastructure and enterprise software solutions provider.
6+ YOE6+ years experience building distributed systems and databases; deep expertise in storage, transaction processing, scalability, and operational excellence; strong Java skills and experience with OCI; mentoring and leadership experience.
Oracle Cloud Infrastructure (OCI), Java
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Custom Software Engineer - 6422164
Charlotte or Jersey City or California or Cleveland or Colorado or District of Columbia or Illinois or Maine or Maryland or Massachusetts or Minnesota or New York or New Jersey or Virginia or Washington
$53-$63/hr HybridFull Time, Contract
Accenture
AccentureNYSE: ACN: Global provider of management consulting and technology services.
6+ YOERequires 6+ years of experience, bachelor's degree, and master proficiency in Core Java; preferred expertise in custom application development, software design, solutions, and software engineering.
Core Java
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Staff Software Engineer, Core Infrastructure
Bellevue or Seattle or San Francisco or Palo Alto or Los Angeles
$195k-$343k/yr OnsiteFull Time
Snap
SnapNYSE: SNAP: Provides visual messaging software and augmented reality wearable devices.
9+ YOEBachelor's or equivalent experience, 9+ years software development, proven technical leadership on large distributed backend systems, experience with system design and platform direction, strong communication and mentoring skills.
Go, Java, Python, C++, Kubernetes
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Senior Software Engineer - Vector Search - Elasticsearch
United States or Seattle or Los Angeles or California or New York City
$133k-$211k/yr RemoteFull Time
Elastic
ElasticNYSE: ESTC: Search AI platform for search, observability, and security.
Requires novel vector similarity or information retrieval experience, search or vector database expertise, core Java skills, scalable algorithms, autonomous project ownership, and collaborative software development experience.
Elasticsearch, Lucene, GitHub, Zoom, Slack, Java, HNSW, IVF, Solr, PostgreSQL, MongoDB, Cassandra
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2d
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Staff Software Engineer, Risk
Seattle or Singapore or China
$200-$330/yr HybridFull Time
Airwallex
Airwallex: Global financial technology platform for modern businesses.
8+ YOE8+ years Core Java, 5+ years large-scale application development, and 3+ years risk or payment platform experience. Requires a computer science bachelor's degree and expertise in distributed systems, Spring, REST, and build tools.
Java, Kotlin, Spring, Spring Boot, Gradle, Maven, JSON, XML, Apache Kafka, Flink, ClickHouse, Spark, NoSQL
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1mo
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Manager, Software Engineering, Core Services - VALORANT
Mercer Island or Los Angeles
$193k-$269k/yr OnsiteFull Time
Riot Games
Riot Games: Developer and publisher of video games and esports.
5+ YOE2+ Mgmt5+ years in services engineering, 2+ years managing engineering teams, experience driving technical direction, cloud and large-scale backend systems, Agile processes, expertise in C#/Java/Golang/C++.
C#, Java, Golang, C++
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2mo
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Senior Software Engineer, Backend
Bellevue, Washington, United States
$160k-$210k/yr HybridFull Time
Cognitiv
Cognitiv: AI advertising helping brands and advertisers target consumers with deep-learning media-buying technology.
Senior backend engineer experienced with .NET Core (or similar), AWS, building partner integrations, scaling distributed systems, strong ownership, communication, testing focus, and operational excellence.
.NET Core, Java, Kotlin, AWS, RDS, ClickHouse, Datadog, CI/CD, ContextGPT
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3mo
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Senior Data Engineer, Core Experimentation
Seattle or Bellevue
$293k-$325k/yr HybridFull Time
OpenAI
OpenAI: AI research and deployment focused on beneficial AGI.
3+ YOE3+ years of data engineering experience; 8+ years in software engineering; proficient in Python, Scala, or Java; experience with Hadoop/Flink and distributed storage; ETL scheduling (Airflow/Dastser/Prefect); strong Spark skills.
Python, Scala, Java, Hadoop, Flink, HDFS, S3, Airflow, Dagster, Prefect, Spark
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Lead Engineer
Arizona or California or Colorado or Connecticut or Delaware or Florida or Georgia or Hawaii or Illinois or Indiana or Kentucky or Maryland or Massachusetts or Michigan or Mississippi or Nebraska or Nevada or New Jersey or New York or North Carolina or Ohio or Oregon or Pennsylvania or South Carolina or Tennessee or Texas or Utah or Virginia or Washington
RemoteFull Time
Cart.com
Cart.com: Private unified commerce and logistics provider serving B2C and B2B brands with software, fulfillment, and customer-engagement services.
10+ YOE10+ years writing production software; technical leadership; hands-on experience with C#, Python, Java, .NET Core, microservices, messaging, databases, CI/CD, testing, and cloud infrastructure.
C#, Python, Java, .NET Core, Kafka, RabbitMQ, SQL Server, Oracle, MySQL, MongoDB, PostgreSQL, AWS, Kubernetes, Rancher, Kibana, SumoLogic, JavaScript, Node.js, PowerShell, SQL, .NET Framework, ASP.NET, Angular, Redis, Hangfire, Docker, xUnit, NUnit, Moq, WireMock, Selenium, Playwright, Postman, Git, GitLab, BitBucket, TeamCity, Octopus Deploy, DataDog
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Sr. Site Reliability Engineer - Core Platform & Embedded Reliability (Hybrid)
New York City or Austin or Sunnyvale or Redmond
$140k-$215k/yr HybridFull Time
CrowdStrike
CrowdStrikeNASDAQ: CRWD: Provides cloud-native endpoint protection and cybersecurity services.
10+ YOE10+ years building distributed systems, 5+ years developing SaaS microservices, expert programming skills, distributed-systems expertise, architectural leadership, and a Computer Science degree or equivalent experience.
Go, Java, Scala, Kotlin, Python, Node.js, Kubernetes, AWS, Cassandra, Kafka, Elasticsearch, OpenSearch, Google Cloud Platform (GCP), Oracle Cloud Infrastructure (OCI), GitHub, Stack Overflow
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Multi-Cloud CDN Scheduling Platform Engineer Intern (CDN Platform) - 2027 Summer
Seattle, Washington, United States
OnsiteInternship
ByteDance
ByteDance: Global technology specializing in AI-powered content platforms.
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
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