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  •  ...We are seeking an experienced Oracle E-Business Suite (EBS) R12 Developer to support and enhance our Oracle ERP environment. The ideal...  ...Workflows. Build and maintain inbound/outbound interfaces using APIs and open interfaces. Collaborate with functional analysts to... 
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    Robert Half

    Ontario, CA
    1 day ago
  • $200k - $230k

     ...quality platform experience. About the Team: Gusto Embedded Payroll is a platform that allows developers to embed payroll directly into their own software using our APIs. We've taken Gusto’s robust payroll infrastructure and made it available to third-party... 
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    Remote job
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    Local area
    2 days per week
    3 days per week

    gusto

    Ontario, CA
    a month ago
  •  ...seeking a highly skilled and motivated Senior Oracle Backend Developer to join our dynamic development team. The ideal candidate will...  ...with Oracle Database 12c or higher ~ Familiarity with RESTful APIs and integration of Oracle databases with other systems ~ Ability... 
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    VSolvit LLC

    Norco, CA
    1 day ago
  •  ...Job Description: .NET / C# Developer Position: C# Developer / .NET Developer Location: Remote About the Role We...  ...C#, .NET Framework, .NET Core. Build and maintain RESTful APIs, web services, and backend systems. Collaborate with product... 
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    RELQ TECHNOLOGIES LLC

    Ontario, CA
    7 days ago
  •  ...designing and optimizing the data platform that powers Terminal’s API, managing everything from data streaming and storage to...  ...solutions for handling petabytes of IoT and time-series data. Develop and maintain real-time data systems to ingest growing data volumes... 
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    hireVouch

    Ontario, CA
    more than 2 months ago
  •  ...Key Responsibilities Develop and customize Salesforce applications using Apex Classes, Triggers, Visualforce, LWC, and Aura Components...  ...Salesforce integrations with external systems using REST/SOAP APIs, Middleware, and other integration tools. Configure... 
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    TekTronIT LLC

    Ontario, CA
    4 days ago
  •  ...Role Name: Fullstack Java Developer Location: Toronto hybrid 4 days a week Job Type: Contract Job Description: ~10+ years of experience with JAVA full stack development, Rest api's and SOAP(jax-ws) services, Micro services, SQL ~ Knowledge of... 
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    Lorven technologies

    Ontario, CA
    5 days ago
  •  ...engineering team. You'll be responsible for building and scaling the critical payment infrastructure, ledger systems, and financial APIs that power our platform. This is a backend-focused role where you'll work on high-stakes financial systems processing millions of dollars... 
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    hireVouch

    Ontario, CA
    a month ago
  •  ...Job Title: Senior .NET Developer (Full-Stack) Location: Canada Remote Employment Type: Contract Client Domain: HRMS (Human...  ...Angular , React , or Vue.js Build and integrate RESTful APIs to connect various systems and services Write and... 
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    RELQ TECHNOLOGIES LLC

    Ontario, CA
    2 days ago
  • $1 per day

     ...public about sports betting. How Betstamp Works: We help develop winning bettors with tools, tracking, promotions, and analysis!...  ...involving both backend / frontend work Set up and manage external APIs interacting with betstamp’s backend Optimize database queries... 
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    Betstamp

    Ontario, CA
    21 days ago
  •  ...Assignment: RQ10063 - Software Developer - Senior Job Title: Java Enterprise & Cloud Application Developer Requisition (SS): RQ...  ...PaaS & Java EE application models (e.g. Microservice Architecture, API-based model, Responsive Web Design, Serverless Architecture, etc... 
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    Work experience placement
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    Cleo Consulting

    Ontario, CA
    3 days ago
  •  ...Employees are expected to be in-office three days a week (Tuesdays- Thursdays). Responsibilities Build and maintain our backend APIs and frontend apps to form our marketplace platform Operate across all our projects and be involved in every step of our product... 
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    3 days per week

    Nautical Commerce

    Ontario, CA
    more than 2 months ago
  •  ...skilled Full Stack Engineer to join our dynamic team, focusing on developing features for an innovative web application aimed at...  ...frontend development. You will work on payment processing systems, APIs, and user-facing web experiences, ensuring that the applications... 
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    hireVouch

    Ontario, CA
    6 days ago
  •  ...Role: Full Stack Developer (with Terraform exp.) Location: Toronto, ON (4 days/week Onsite) Job Type: Contract Note: 4 times...  ...Strong proficiency in Python for AWS Lambda-based backend APIs and Angular for responsive front-end applications. Cloud expertise... 
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    Lorven technologies

    Ontario, CA
    4 days ago
  •  ...Assignment: RQ10049 - Software Developer - Full Stack - Senior Job Title: Full Stack Developer Requisition (SS): RQ10049 Start...  ...Backend: Python, databricks Notebooks. Spark SQL. Familiar with API Protocol Nice to have ~ At least 2 years of... 
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    Cleo Consulting

    Ontario, CA
    3 days ago
  •  ...Title: Senior Java Microservices Engineer AWS Location: Mississauga, ON Remote Mode: Contract Skills needed : AWS Lambda, AWS API Gateway, SQS, SNS, Dynamo DB, RabbitMQ Job Description Must Have: Java, Springboot, Microservices, MySQL,... 
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    VDart Inc

    Ontario, CA
    3 days ago
  •  ...own key features across web and mobile, integrate with payment APIs, and ensure systems remain reliable and performant. This role involves...  ...bring ~3+ years of professional experience as a full-stack developer ~ Deep proficiency in React (Next.js), TypeScript, JavaScript... 

    hireVouch

    Ontario, CA
    more than 2 months ago
  • $120k - $190k

     ...sensitive workflows. You will build a high-availability, scalable API leveraging the most relevant services from AWS. You will...  ...client-side performance, cross-browser compatibility, and browser developer tools Experience with object-oriented programming languages.... 
    Remote job
    Flexible hours

    Chainalysis Inc.

    Ontario, CA
    more than 2 months ago
  • $170k - $200k

     ...retrieval systems across the spectrum from BM25 to semantic search and develop comprehensive evaluation metrics to measure their performance....  ...take advantage of prompt engineering.This includes developing APIs and scalable systems, developing scalable tools and services to... 
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    Remote work
    2 days per week

    Klue

    Ontario, CA
    more than 2 months ago
  • $100k

     ...networking, and semiconductors. Our diverse team of technologists have developed a high performance RISC-V CPU from scratch, and share a passion...  ...on developing realistic demonstrations of AI applications, and APIs for them, for the Tenstorrent Cloud. Experience spanning into... 
    Permanent employment
    Full time
    Remote work

    Tenstorrent

    Ontario, CA
    18 hours ago
  •  ...Confidential (Provincial Government Office) Role: D365 Technical Developer End date: April 3, 2026 Number of resources needed:...  ...(SSRS, Power BI), and Dataverse integration Integration & APIs Implement REST/SOAP APIs, Azure Logic Apps, and Power Automate... 
    Hourly pay
    Work at office
    Remote work

    ExcelGens, Inc.

    Ontario, CA
    4 days ago
  •  ...owners, architects, other engineers, and QA. Responsibilities Design, develop, and maintain scalable Salesforce solutions using Apex, Lightning Web Components (LWC), SOQL, and Salesforce APIs Implement and optimize integrations between Salesforce and external... 
    Full time

    Equinix

    Ontario, CA
    more than 2 months ago
  •  ...is a plus) ~ Proven ability to lead and deliver technically challenging, cross-functional projects ~ Comfortable with designing APIs, debugging complex systems, and writing tests ~ Strong product sense and ability to make thoughtful tradeoffs in scope and functionality... 
    Work at office

    hireVouch

    Ontario, CA
    a month ago
  •  ...reach. Engage directly with customers to design and build new features that add value to our platform. Build reliable, intuitive APIs that simplify customer implementations. Create tooling and patterns that improve testing, observability, and platform reliability... 

    hireVouch

    Ontario, CA
    more than 2 months ago
  • $220k

     ...About the Role As a Staff Software Engineer on our Platform team, you’ll design, implement, and maintain robust, high-quality backend APIs and services. Your work will directly impact Motion’s core operations and enable teams across the company to leverage our data... 
    Work from home

    hireVouch

    Ontario, CA
    6 days ago
  • $140k

     ...compatibility (Windows 10/11+), and maintainability. Drive accessibility efforts: integrate and validate support for accessibility APIs (e.g. Microsoft UI Automation or other relevant Windows accessibility frameworks), ensure UI controls, focus management, keyboard... 
    Work at office

    Speechify

    Ontario, CA
    11 days ago
  •  ...encryption, identity management, and access control, in compliance with government and regulatory policies Automation & Optimization : Develop automated workflows and scripts to streamline cloud operations. Optimize cloud resources for cost efficiency and performance... 
    Full time
    Temporary work
    Work experience placement
    Flexible hours

    VSolvit LLC

    Norco, CA
    1 day ago
  •  ...The Company You’ll Join Carta develops purpose-built software that transforms traditional accounting into a powerful growth engine....  ...including performance tuning, replication, backup, and recovery. API Services: Experience in designing, deploying, and maintaining... 
    Full time

    Carta

    Ontario, CA
    18 hours ago
  • $163k - $204k

     ...engineers to join our teams that work on customer-facing products, developing features and iterating across our platform. As a Gusto Software...  ...-to-end by influencing initial feature specs, building backend APIs, writing frontend code, and overseeing ongoing improvements for... 
    Remote job
    Work at office
    Local area
    2 days per week
    3 days per week

    gusto

    Ontario, CA
    more than 2 months ago
  •  ...development approach and the ability to leverage AI tools for productivity are essential. Key Responsibilities Design, develop, optimize, and maintain complex PL/SQL packages, procedures, functions, triggers, and scripts. Contribute to the architecture... 
    Remote work
    Shift work

    RELQ TECHNOLOGIES LLC

    Ontario, CA
    4 days ago