Core Java Developer Jobs in United States

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Staff Software Engineer, Digital Identity - Identity Core

Seattle, Washington, United States

OnsiteFull Time

SoFiNasdaq: SOFI: Mobile-first platform for banking, lending, and investment services.

6+ YOE6-10 years software development; Bachelor’s in CS/SE; front-end with Typescript/React/Angular; backend with Node; AI-aware architecture critique; strong cross-functional leadership.

Typescript, React, Angular, Node.js, Java, Kotlin, PostgreSQL, Kubernetes, ArgoCD, Datadog, Snowflake, Claude Code, Cursor, Windsurf

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Lead. Software Developer

United States or New Jersey

OnsiteFull Time

Ness Digital Engineering: A digital engineering firm providing software development and cloud services.

4+ YOE4-10 years in application development (Pega, Java, React); strong design, development, testing, deployment; Pega; Java core; Spring Boot/Spring Cloud; Hibernate/JPA; React frontend; REST/microservices; OpenAPI/Swagger; OAuth2; SQL; unit/integration tests.

Pega, Java, React, Spring Boot, Spring Cloud, Hibernate/JPA, OpenAPI/Swagger, OAuth2, Kafka, SQL, Docker, CI/CD, Git, Azure DevOps, AWS

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Staff Engineer, Core Services Platform

San Francisco or Denver

$225k-$278k/yr HybridFull Time

Strava: Fitness tracking and social networking app for athletes.

10+ YOE10+ years backend engineering; tech lead experience; distributed systems design; proficient in Ruby/Scala/Go/Java; AWS; Kafka/Kubernetes; MySQL/Redis/Cassandra.

Ruby, Scala, Go, Java, AWS, Kafka, Kubernetes, MySQL, Redis, Cassandra

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Technology Consultant 2

Dallas, Texas, United States

OnsiteFull Time

InfosysNYSE: INFY: Provides IT consulting, software development, and business outsourcing services.

Core Java, Spring Boot, SQL, Unix/Linux, REST, Maven/Gradle, Git; optional Kafka, CI/CD, cloud, Docker/Kubernetes; bachelor or foreign equivalent degree required; relocation/travel may be needed.

Java, Spring Boot, SQL, Unix/Linux, REST, Maven, Git, Kafka, Jenkins, Docker, Kubernetes, AWS

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1mo

Core Wi-Fi Embedded Software Engineer, Wireless Technologies & Ecosystems

San Diego, California, United States

OnsiteFull Time

AppleNASDAQ: AAPL: Designs and sells consumer electronics, software, and online services.

Proficient in data structures; experience with C/C++, Objective-C, or Java; strong networking knowledge; Bachelor’s in Computer Science; English proficiency.

C/C++, Objective-C, Java, IEEE 802.11/Wi-Fi, GDB, Wireshark, tcpdump, Linux/Unix

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1mo

Senior Software Engineer

United States

$130k-$165k/yr RemoteMultiple Commitments Available

HealthEdge: SaaS platform for health insurance administration and care management

7+ YOE7+ years in Java/J2EE development, system integration, enterprise design; proficient in Core Java, XML, Web Services, JMS, SQL; CI/CD, ESB; healthcare domain experience preferred; Agile methods.

Java/J2EE, XML, Web Services, JMS, SQL, Linux, WebLogic, Docker, Kubernetes, Cloud, JUnit, TestNG, Jenkins, Git, Maven, Apache Camel, Spring Integration, OSGi, Karaf

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Software Developer

San Diego, California, United States

$54-$68/hr OnsiteFull Time

California Coast Credit Union: Provides member-owned banking and diverse financial services to members.

Design, develop, test, and maintain Core Banking System software; collaborate with architecture; provide development and operational support.

Java, C#, UNIX, HTML, JavaScript, SQL, T-SQL, Visual Studio, Git, Azure DevOps, IIS, Python, XML

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Senior Software Engineer - Core Communications Reliability

New York, New York, United States

OnsiteFull Time

Bloomberg: Delivers financial data, news, and software to global markets.

4+ YOE4+ years in software engineering; Python; distributed systems; reliability, observability, SLOs/SLIs/SLAs; collaboration; CS/engineering degree or equivalent experience.

Python, Kafka, Java, Apache Spark, Grafana, Humio, Amazon S3

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3mo

Software Developer

Philadelphia, Pennsylvania, United States

HybridFull Time

TransamericaNYSE: AEG: Provides life insurance, retirement solutions, and investment services.

Bachelor’s degree or equivalent in a technical field; experience with Core Java or .NET; knowledge of frameworks and cloud services; strong problem solving and collaboration skills.

Java, C#/.NET, Spring Framework, J2EE, REST, API, Jenkins, Docker, Kubernetes, AWS, Azure, SQL, NoSQL, Cosmos DB, Data Factory, Event Hubs, Git, Maven, NUnit, SageMaker, Spark, Swagger, OData, EJB, Angular, React, Vue.js, HTML, CSS, JavaScript

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2mo

Senior Lead AI Engineer (AI Foundations, LLM Core and Agentic AI)

New York or San Francisco or McLean or Cambridge or San Jose

$251k-$286k/yr OnsiteFull Time

Capital OneNYSE: COF: Provides credit cards, auto loans, and retail banking services.

4+ YOEBachelor's or Master's in CS/AI/EE with 4–6+ years in AI/ML; strong Python/Java; cloud experience.

AWS, Huggingface, PyTorch, VectorDBs, Nemo Guardrails, Python, Go, Scala, Java, C++, C#, Golang

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Senior Software Engineer (Backend, Core & Ecosystem)

Boston, Massachusetts, United States

$150k-$215k/yr OnsiteFull Time

WHOOP: Providing wearable health trackers and physiological performance analytics.

Extensive backend experience; API design; Postgres; Kafka; AWS; scalable systems; mentoring.

Java, Kafka, PostgreSQL, AWS, REST API, SQS

3mo

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3mo

Software Engineer

Ontario, California, United States

$99k-$124k/yr OnsiteFull Time

Origence: Provides lending technology and origination solutions to credit unions.

1+ YOE1+ year software development; .NET/.NET Core, C#, modern web frameworks (Angular/React/Vue) or Java/Spring Boot; SQL/NoSQL; Event-driven/microservices; Azure/AWS; DevOps; TDD.

.NET/.NET Core, C#, Angular, React, Vue, Java, Spring Boot, SQL, NoSQL, Azure, AWS, WCF, Web Services, DevOps, TypeScript, JavaScript, TDD, Unit Testing

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Oracle Developer

Las Vegas, Nevada, United States

HybridFull Time

Caesars EntertainmentNASDAQ: CZR: Operates casinos, hotels, and digital sports betting platforms globally.

3+ YOEOracle SQL/PLSQL, XML, Core Java/JavaScript, SOAP/REST, debugging, communication; 3+ years; Bachelor's in CS/IT; 3 years programming and DB maintenance experience.

Oracle SQL, PL/SQL, XML, Java, JavaScript, SOAP, REST, Oracle Fusion Cloud, Oracle Integration Cloud (OIC), HCM, BI, OTBI

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1mo

Software Engineer

Boise, Idaho, United States

$100k-$150k/yr OnsiteFull Time, Temporary

Veriforce: Global provider of supply chain risk and safety solutions.

2+ YOEFull-stack engineer proficient in Java/Angular or C#/.NET Core; collaborative, agile practitioner; eager to learn and adapt.

Java, Angular, C#, .NET Core, Agile, Full-Stack

3mo

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3mo

US E-GPS Consulting Services-Senior Software Developer/Engineer-Cyber/CD&R-Core-657680(PD)

United States

HybridFull Time

Deloitte: Provides professional audit, consulting, advisory, and tax services.

7+ YOE7+ years of high-performance software design and implementation in C/C++ (or Java/Rust); TS/SCI clearance; travel 5-30%; Bachelor's degree; legally eligible to work in the United States; experience with Git and Linux preferred.

Git, Linux, C, C++, Java, Rust

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IT Systems Integration Developer

Chicago or Lincolnshire

$92k-$141k/yr HybridFull Time

Camping WorldNYSE: CWH: Retailer of recreational vehicles, camping gear, and maintenance services.

5+ YOE5-10 years software development; strong backend focus; REST/SOAP APIs; SQL Server/Oracle; Git; .NET Core/C#/Java/JavaScript/PHP; APIs; Agile/Waterfall.

.NET Core, C#, JAVA, JavaScript, PHP, REST, SOAP, SQL Server, Oracle, Git, Visual Studio, NestJS, Symfony, ReactJS, Angular, Docker, Kubernetes, Jenkins, CI/CD, Confluence, Jira

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1mo

Senior Software Engineer

Waukesha, Wisconsin, United States

OnsiteFull Time

GE HealthCareNasdaq: GEHC: Develops and sells medical imaging and diagnostic technology.

4+ YOEBachelor's in computer science or related field; 4+ years software development; 1+ year building scalable distributed systems in cloud; strong Java/J2EE, Spring Core, SpringBoot, JPA.

Java, Spring, SpringBoot, JPA, AWS, Azure, GCP

3mo

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3mo

Software Engineer

Ontario, California, United States

$99k-$124k/yr OnsiteFull Time

Origence: Provides financial technology and loan origination software for credit unions.

1+ YOE1+ year software development experience; strong .NET/.NET Core, C#, web frameworks (Angular/TypeScript, React, Vue) or Java; SQL/NoSQL knowledge; event-driven/microservice architecture a plus; DevOps and TDD experience a plus.

.NET, C#, ASP.NET, Angular, React, Vue, Java, Spring boot, SQL, NoSQL, Azure, AWS, DevOps, Unit testing, Integration testing, Event-driven architecture, Microservices

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1mo

Sr Software Engineer - High Performance Computing

Irvine or Bellevue

$125k-$229k/yr HybridFull Time

The Trade DeskNASDAQ: TTD: Operates a self-service platform for managing digital advertising campaigns.

6+ YOE6+ years in high-impact software development; distributed systems; .NET Core, C#, Java; Linux, networking; NoSQL; agile practices; degree in CS or related field.

.NET Core, C#, Java, Linux, Networking, Streaming Systems, NoSQL, Distributed Systems

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Lead. Software Developer

United States

HybridFull Time

Ness Digital Engineering: Provides full-lifecycle digital engineering and software product development services.

4+ YOE4-10 years in application development with Pega, Java, and React; strong Pega and Java core skills; experience with Spring Boot, Spring Cloud, Hibernate/JPA; front-end with React; REST/microservices; OpenAPI/Swagger; Kafka; AWS; Docker; CI/CD; SQL; Python a plus; unit/integration testing; SDLC/Agile.

Pega, Java, React, Spring Boot, Spring Cloud, Hibernate/JPA, OpenAPI/Swagger, Kafka, OAuth2, Docker, CI/CD, AWS, SQL, Python, Git, Azure DevOps, HTML, CSS

2mo

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2mo

Customer Issues Developer (US Remote)

United States

RemoteFull Time

Heretto: Enterprise platform for creating and managing structured help documentation.

3+ YOEPassion for bug hunting and customer service; strong problem solving; Java core; cloud and large apps experience.

Java, Spring Boot, JavaScript, TypeScript, React, GWT, Git, Maven, Ansible, PostgreSQL, SQLite, Google Cloud, GKE, Pub/Sub, Cloud Storage, Cloud Functions

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Senior Software Developer

Springfield, Virginia, United States

$104k-$218k/yr OnsiteFull Time

CACINYSE: CACI: Provides information technology and professional services to government clients.

9+ YOERequires TS/SCI clearance, bachelor's degree and 9+ years IT experience, NGA AWS/CORE experience; proficient in Java, AWS, DevOps, and related tools.

Red Hat, Windows Server, Oracle, JMeter, Jenkins, Swagger, Nexus, Apigee, GitHub, GitLab, Java, Bash, Curl, XML, JSON, SQL, JavaScript, AWS, C2S, CI/CD

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1mo

Principal Engineer, Public Cloud / R&D Core

United States

$248k-$310k/yr RemoteFull Time

Cloudera: Provides hybrid data platforms for enterprise analytics and AI.

10+ YOE10+ years distributed systems; strong Java, Kubernetes; Linux, CI/CD; public cloud (AWS, GCP, Azure); architectural leadership; mentoring.

Java, Kubernetes, Docker, Linux, Jenkins, GitHub Actions, Cloud - AWS, Cloud - GCP, Cloud - Azure, Hadoop

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Director, Software Engineer

Alpharetta, Georgia, United States

$144k/yr HybridFull Time

Morgan StanleyNYSE: MS: Provides global investment banking, wealth management, and advisory services.

2+ YOEMaster’s in CS/CE or related field; 2+ years in software development; cloud, OO design, Unix/Linux; DevOps, Agile; Core Java, REST APIs, J2EE, Spring, Kubernetes, Docker; Shell scripting.

Java, REST APIs, J2EE, Spring, Spring Boot, Kubernetes, Docker, Gradle, Unix/Linux, Shell scripting, Cloud Technologies, DevOps, Agile methodologies, Object-Oriented design

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2mo

Software Engineer

San Jose, California, United States

$183k-$261k/yr HybridFull Time

ZoomNASDAQ: ZM: Provides cloud-based video communication and collaboration software platform.

3+ YOEMaster’s degree in Computer Science/Engineering or related field; 3 years of experience in Core Java, Spring Boot, design patterns, microservices, and AWS/NoSQL integration.

Java, Spring Framework, AWS, NoSQL, RESTful APIs, Microservices

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Staff, Software Engineer

Bentonville or Arkansas

$110k-$220k/yr OnsiteFull Time

WalmartNasdaq: WMT: Operates a global chain of retail and warehouse stores.

10+ YOE10+ years in scalable distributed software; deep Java, Spring Boot, React, Python; experience integrating with core platforms; strong collaboration and leadership.

Java, Spring Boot, React, Python, PostgreSQL, Azure SQL, DSPy, LLMs, MCPs

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1mo

ServiceNow Developer IV

San Diego, California, United States

$95k-$161k/yr OnsiteFull Time

ICW Group: Provides workers' compensation and specialty property and casualty insurance.

3+ YOE3+ years software engineering; .NET/.NET Core; Java; strong C#; SQL/ETL; REST/Web services; Git/Jenkins; AWS data experience preferred.

C#, .NET, .NET Core, Java, Git, Jenkins, SQL Server, SQL, REST, Web Services, Postman, Python, CI/CD, HTML, XML, JSON, APIs, SSIS, AWS

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1mo

Le Fant LLC - Full Stack Developer - (BEAGLE)

United States

$60k-$126k/yr RemoteFull Time

Le'fant: Provides management consulting and technology services to federal agencies

7+ YOEUS citizen; 7+ years in software design/development; degree in CS/SE or related; strong stack Java/C#, .NET Core, Spring, Angular/React; remote work possible; travel occasionally.

Java, C#, NET Core, Spring MVC, Spring Boot, Angular, React, PostgreSQL, Hibernate, Entity Framework

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Site Reliability Engineer, Core Streaming (Remote - United States)

San Francisco, California, United States

$141k-$216k/yr RemoteFull Time

YelpNYSE: YELP: Platform connecting consumers with local businesses via reviews.

Hands-on experience with large-scale Kafka, real-time data streams, Java/Python, and infrastructure automation.

Kafka, Java, Python, Apache Flink, Infrastructure as Code

2mo

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2mo

Associate, Quantitative Developer

Dallas, Texas, United States

$112k-$165k/yr RemoteFull Time

Revantage: Provides global corporate services to Blackstone's real estate portfolio.

3+ YOEMinimum 3 years in real estate finance tech; strong C#/SQL, MS SQL/Snowflake; Excel proficiency; .NET Core; Azure Data Factory; web/application development.

C#, Java, Python, SQL, Snowflake, Excel, Azure Data Factory, .NET Core

2mo

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2mo

Software Engineer

Houston, Texas, United States

OnsiteFull Time

Foxconn Industrial InternetShanghai Stock Exchange: 601138: Global provider of smart manufacturing and cloud infrastructure solutions.

2+ YOEBachelor's or Master's in CS/CE; 2+ years software development; strong C#/.NET Core; SQL Server; OO design; CI/CD; distributed systems.

C#, .NET Core, SQL Server, Next.js, React, Git, REST API, Java

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Software Engineer III — Full Stack (Backend-Focused, Core Platform Services)

Irving, Texas, United States

$109k-$181k/yr HybridFull Time

OntadaNYSE: MCK: Provides oncology data insights and technology for cancer care.

5+ YOE5-7 years backend software development; strong Java/Spring Boot; REST APIs; Kafka; Databricks; Oracle; React/TypeScript for full-stack; healthcare domain familiarity preferred.

Java, Spring Boot, JPA/Hibernate, WildFly, REST, OpenAPI/Swagger, Kafka, Oracle, Redis, Elasticsearch, Databricks, React, TypeScript, Webpack, Dynatrace, Linux, Docker, Git, HL7v2, FHIR, C-CDA, SNOMED-CT, LOINC, RxNorm

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Software Engineer Staff - (TS/SCI)

King of Prussia, Pennsylvania, United States

OnsiteFull Time

Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.

Active TS/SCI clearance, US citizenship, BS in Computer Science/Software Engineering or related field; strong software development experience (C#, JavaScript, Java, Python); Agile with Jira/Confluence; .NET Core and Angular; PostgreSQL/Redis; GitLab CI/CD; Docker/Kubernetes; cloud native development.

C#, JavaScript, Java, Python, NET Core, Angular, PostgreSQL, Redis, GitLab CI/CD, Docker, Kubernetes, Jira, Confluence

3mo

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3mo

Test Engineer

Huntsville, Alabama, United States

$110k-$130k/yr OnsiteFull Time

I2X Technologies: Provides technical engineering and IT services to federal agencies.

5+ YOE5 years of professional experience; proficient in C++; experience with GitLab/Git; Red Hat Enterprise Linux; network programming (UDP/TCP); Agile/Scrum; Java/UI; Jira; multi-core/multi-threading; secret clearance; on-site; US citizenship.

C++, GitLab, Git, Red Hat Enterprise Linux, Java, Jira

1mo

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1mo

Mid-Level Software Engineer (.NET)

Sterling, Virginia, United States

$105k-$125k/yr OnsiteFull Time

Strongbridge: Provides IT modernization and data strategy for federal agencies.

3+ YOE3-8 years in software development; 2+ years C#, C++, or Java; 2+ years building .NET Framework/ASP.NET Core apps or APIs; 1+ year full-stack with ASP.NET MVC, Angular, Bootstrap; 2+ years SQL Server; Bachelor's degree in CS or related field.

ASP.NET, ASP.NET Core, C#, C++, Java, Angular, Bootstrap, Azure, SQL Server, SSMS, HTML, CSS, JavaScript, TypeScript, Azure Data Lake, Data Factory, Synapse, WPF, XML, JSON, XSLT

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Formal Verification Engineer - CPU Core

Folsom, California, United States

$106k-$200k/yr HybridFull Time

IntelNasdaq: INTC: Designs and manufactures microprocessors and semiconductor components.

1+ YOEBachelor's or Master's in Computer/Electrical Engineering; 1-2+ years in verification; knowledge of computer architecture; hardware modeling languages; assertion writing; programming languages; pre-silicon CPU verification; experience with formal tools.

Verilog, VHDL, SystemVerilog, JasperGold, Questa Formal, VC Formal, C/C++, Python, Perl, Java, Specman E

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1mo

Senior Agile Software Developer

United States

RemoteFull Time

Concept Plus: Delivers enterprise IT services for federal government agencies.

8+ YOEUS citizen; NACLC; 8+ years software development; 1+ year Agile; Agile/DevOps; Java (Struts, Tomcat); .NET (IIS, C#/.NET Core, C++, ASP.NET); Oracle 19C+/SQL Server 2019+; Kendo React; Git/TFS/Bitbucket; MVC; OOP; team player; BS in CS/IS or related; AF Logistics experience.

Java, Struts, Tomcat, .NET, IIS, C#, ASP.NET, C++/NET Core, MVC, OOP, Oracle, SQL Server, Kendo, React, Git, TFS, Bitbucket, Jenkins, CI/CD, AF Logistics

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Full Stack Developer Talent Pool

Lansing or Farmington Hills

$80k-$100k/yr OnsiteFull Time

Dewpoint: Provides IT consulting and managed technology services to organizations.

5+ YOEMust-have: Core Java/J2EE, JVM profiling, Spring, Angular/Typescript/Node, HTML/CSS, Jersey, SQL/PLSQL, Oracle. Nice-to-have: Unix/Shell, Docker, Memcache/Redis, SAML, Magnolia (3+ yrs).

Java, J2EE, Spring Framework, Angular, Typescript, Node, HTML, CSS, Jersey, SQL, PL/SQL, Oracle Database, Unix/Shell Scripts, Docker, Memcache, Redis, SAML, Magnolia

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Manager, Software Development Engineer

Austin, Texas, United States

$132k-$149k/yr OnsiteFull Time

Charles SchwabNYSE: SCHW: Financial services, brokerage, and investment management provider.

5+ YOEBachelor's in Computer Engineering or related field; 5+ years in .NET Core/C# and Java; REST/SOAP APIs; cloud (PCF, GCP, Azure); SQL Server/PostgreSQL; CI/CD; Agile/Scrum; strong problem-solving and communication.

DotNetCore, C#, Java, REST, SOAP, Pivotal Cloud Foundry, GCP, Azure, SQLServer, PostgreSQL, CI/CD, Git, Scrum, Agile