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  •  ...Permanent role for experienced professionals with at least 4 years in Information Technology. Applicants should be skilled in developing RESTful APIs using Java/Spring or Node.js, and have experience in Agile and DevOps environments. U.S. citizens and authorized workers... 
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    Sonsoft Inc

    Walnut Creek, CA
    4 days ago
  • $100k

     ...looking for entry-level software programmers, Java Full stack developers, Python/Java developers, Data analysts/ Data Scientists, Data Engineers...  ..., Microservices, Docker, Jenkins, Github, Kubernates and REST API's experience For data Science/Data Analyst/AI/Machine... 
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    Full time

    SynergisticIT

    Antioch, CA
    4 days ago
  •  ...years in Java development (Core Java, J2EE) Strong expertise in Spring Framework (Spring Boot, Spring MVC, Hibernate) Proven experience in REST API development Hands-on with design patterns and SOA SQL Strong debugging, problem-solving, and secure coding skills
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    Perfict Global, Inc.

    Concord, CA
    5 hours ago
  •  ...systems, and help our business and operations move faster. Key Responsibilities Architect, build, and maintain backend systems and APIs using Python and Django to support core logistics, fulfillment, order management, and operational workflows. Own... 
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    Technacity Group

    Concord, CA
    a month ago
  •  ...Job Title: Senior Java Developer Location: Concord, CA (94520) Within 50 Miles Salary Range - $60/hr on W2 - $65/hr on W2 Required...  ...and Microservices (30%) ~3+ Years of Experience in API Management or APIGEE(20%) ~ Around 2-3 years of experience in... 
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    Artech

    Concord, CA
    2 days ago
  • $117k - $159k

     ...resources projects. The Data & AI Platform Engineer role will design, develop, and maintain data pipelines and architectures that enable...  ...to analytics platforms and integration‑heavy systems, including APIs, workflow orchestration tools (e.g., Airflow), and modern cloud... 
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    Temporary work

    Miningamigos

    Walnut Creek, CA
    1 day ago
  • $140k - $150k

     ...current or future sponsorship.   RESPONSIBILITIES: Design, develop, and maintain features for a cloud-based SaaS application Build...  ...Airflow, Java, or Python Experience with microservices, REST APIs, or legacy system modernization Background in SaaS, data-... 
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    PsiNapse Technology, Ltd.

    Concord, CA
    14 days ago
  •  ...The role Key Responsibilities Build and deploy applications across frontend and backend using Next.js/React, Node.js/NestJS REST APIs, PostgreSQL, MongoDB, and TypeScript Support AWS infrastructure, deployment strategies, and CI/CD pipelines. My cofounder and I are... 
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    Night shift

    SupportFinity™

    Walnut Creek, CA
    4 days ago
  • $60 per hour

     ...Language Models (LLMs), into applications. Google SDK Strong Java Engineers with microservices and Spring Boot experience. Spring API AI / ML (Artificial Intelligence & Machine Learning) Algorithms Jennifer Sampson Technical Recruiter DONATO... 
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    Donato Technologies Inc

    Moraga, CA
    1 day ago
  •  ...for ESL (Enterprise Services Layer) product team. The ESL is an API product which supports a number of clients including primary B2C...  ...as internal B2B teams. Duties: * Lead Java Engineer will develop, enhance, support a collection of Java API services based on incoming... 
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    Perfict Global, Inc.

    Concord, CA
    1 day ago
  •  ...across Oracle RDBMS stored procedures, Python ETL scripts and Groovy scripted Workflows. ~ Responsible for integrating with REST API Endpoints, Kafka Topics and RDBMS sources with complex SQL queries. ~ Responsible for utilizing and maintaining CI/CD... 
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    Perfict Global, Inc.

    Concord, CA
    1 day ago
  •  ...We’re seeking a Fullstack & Mobile Developer passionate about education, technology, and impact. You’ll work directly with our founding...  ...backend services using Golang (Gin framework) and GraphQL APIs . Build responsive and performant web applications with Next... 
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    SCHOOLSAFEZONE INC

    Danville, CA
    1 day ago
  •  ...systems into scalable, modular microservices while guiding a team of developers in building high‑quality, cloud‑native solutions. What You’ll...  ...-based architectures. Define and enforce best practices for API design, business logic, and system integrations. Guide and... 
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    Solvd, Inc.

    Walnut Creek, CA
    5 days ago
  • Role Description Design, develop, and maintain high-performance iOS applications for automotive diagnostics and connectivity. Collaborate...  .... Solid understanding of MVVM/MVC architecture, RESTful APIs, and networking. Familiarity with App Store deployment, Git version... 
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    Ethereum Technologies LLC

    Walnut Creek, CA
    5 days ago
  • A hospitality management company in California is looking for a Maintenance Engineering Supervisor to provide technical and administrative support to the Chief Engineer. The ideal candidate will ensure efficient operation in maintenance, oversee preventive measures, and...
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    Peachtree Group

    Pittsburg, CA
    5 days ago
  •  ...is seeking Senior Engineers passionate about merging materials science, data science, and computer science. This role focuses on developing a cloud-based platform for nanoscale materials, leading an engineering team, and establishing robust architectural frameworks. As... 
    Remote job
    Full time

    Mat3ra

    Walnut Creek, CA
    4 days ago
  •  ...Job Title : C#/..Net Developer Location : Westlake Village, CA (Los Angeles Area) OR Carrollton, TX (Dallas Area) Duration : 12 Months Contract Roles & Responsibilities Strong C#/.net Core experience (5+ Years) Experience developing using SOLID Principles... 
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    Perfict Global, Inc.

    Concord, CA
    5 hours ago
  • $130k - $200k

     ...looking for Senior Engineers excited about bridging the gap between materials/chemistry, data science, and computer science to help us develop a software framework for designing and discovering new advanced materials and chemicals. More about our codebase and team on our... 
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    Temporary work
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    Mat3ra

    Walnut Creek, CA
    4 days ago
  •  ...please send me a copy of your updated resumes Job Title :: IOS Developer Location :: Bay Area CA Mode of interview : In Person (...  ...into quality user interfaces ~ Experience with consuming APIs and interfacing with backend services, implementing third party... 
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    Immediate start
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    Donato Technologies Inc

    Moraga, CA
    4 days ago
  • We Are: Accenture is a leading global professional services company that helps the world's leading businesses, governments and other organizations build their digital core, optimize their operations, accelerate revenue growth and enhance citizen services-creating tangible...
    Work experience placement
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    Work at office
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    Accenture

    Walnut Creek, CA
    1 day ago
  • $120k - $180k

     ...look for Senior Engineers excited about bridging the gap between materials/chemistry, data science, and computer science to help us develop a software framework for designing and discovering new advanced materials and chemicals. More about our codebase and team on our... 
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    Temporary work
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    Mat3ra

    Walnut Creek, CA
    23 days ago
  •  ...Client Job ID-ACS64GV32 Java Developer Concord, California (Hybrid role) Look for Nearby candidates US Citizen,Greencard Holder,EAD,H4-EAD($75-80/hr. on W2) • 5+ years of Java experience and Java EE experience • 5+ years of Tomcat development or... 

    Keylent Inc

    Concord, CA
    5 hours ago
  •  ...solutions in complex environments. Key Responsibilities Design, develop, and optimize applications within ArcGIS platforms (Experience Builder, Hub, Insights) Build and maintain robust APIs and backend services supporting enterprise integrations Lead... 
    Remote work

    Dhaka Technologies Limited Company

    Antioch, CA
    1 day ago
  • Join a pioneering firm that is on a mission to revolutionize materials research with cutting-edge technology. As a Senior Engineer, you will play a crucial role in building a high-performance computing platform and shaping the future of materials and chemistry. This full...
    Remote job
    Full time
    Worldwide

    Mat3ra

    Walnut Creek, CA
    3 days ago
  •  ...services, including EC2, EKS, and other related services. • Implement and manage Kubernetes clusters for container orchestration. • Develop and maintain infrastructure as code using Terraform. • Ensure smooth operation of Unix/Linux servers and environments. • Design... 
    Long term contract
    Local area

    Suncap Technology

    Walnut Creek, CA
    1 day ago
  •  ...and motivated Senior AI NodeJS Engineer with a strong focus on developing AI Agents. If you have an understanding of AI technologies and...  ...learning new technologies and swiftly adapting to new products and APIs. Understanding of Retrieval-Augmented Generation (RAG) and its... 

    Solvd, Inc.

    Walnut Creek, CA
    5 days ago
  •  ...with FUSE, Apache Camel, Apache Service Mix Able to interpret requirements to develop services/integrations in CI/CD and Agile process. Extensive experience designing and developing RESTful APIs Broad knowledge of web standards relating to APIs (OAuth, SSL, CORS, JWT,... 
    Permanent employment
    Full time
    H1b

    Sonsoft Inc

    Walnut Creek, CA
    3 days ago
  •  ...their application ecosystem. You will lead the refactoring of monolithic systems into scalable microservices and guide a team of developers in creating high-quality, cloud-native solutions. This role requires over 7 years of development experience in C# and .NET, expertise... 

    Solvd, Inc.

    Walnut Creek, CA
    1 day ago
  •  ...design, and value engineering. The ideal candidate possesses a deep understanding of BESS integration, specifically with experience developing and delivering energy storage systems for utility-scale projects.This role will require the chosen candidate to work closely with... 
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    CSI Solar Co., Ltd

    Walnut Creek, CA
    1 day ago
  • $117k - $175k

    A leading environmental consultancy is looking for a Data & AI Platform Engineer to develop and maintain cloud data infrastructures. This role highlights data pipeline construction, collaboration with interdisciplinary teams, and ensures compliance with industry standards... 

    Miningamigos

    Walnut Creek, CA
    5 days ago