api developer jobs in Ottawa

1,000 api developer job listings in Canada. Find daily updated positions from leading job boards.


  • Ottawa, ON, Canada Gowling WLG Full-time €110,000 - €140,000 Contract

    About GOWLING WLG At Gowling WLG, our commitment to excellence begins with our people. As an international law firm with offices in Canada, the U.K., Europe, the Middle East, and Asia, we’re proud to recruit and retain top talent who bring energy, insight, and a singular focus on delivering exceptional experiences – for our clients and each other. At...


  • Ottawa, ON, Canada Cognizant Full-time €70,000 - €90,000 Contract

    About the role We are seeking an experienced Automation Test Engineer with strong Java Programming skills to design, develop, and maintain automated testing frameworks. The role focuses on designing, developing, and maintaining automated test cases for our banking clients. In this role, you will - Design, develop, and execute automated test scripts for...


  • Ottawa, Canada Manulife Insurance Malaysia Full-time €113,000 - €163,000 Contract

    Job Overview Join our Manulife Integration Engineering team and help build the next generation of enterprise integration solutions. As a Senior MuleSoft Software Engineer, you will design, develop, and support scalable, secure, and resilient integration platforms that connect enterprise applications, Salesforce, cloud services, and external partners....


  • Ottawa, ON, Canada Socket.dev Full-time €80,000 - €110,000 Contract

    Nokia is seeking an experienced software engineer to help build next‑generation SDKs for DSP ASICs and optical networking solutions. You will develop high-performance C/C++ software on Linux and work closely with ASIC, firmware, hardware design, and architecture teams across the full product lifecycle. The role emphasizes solving complex...


  • Ottawa, ON, Canada Ciena Corporation Full-time €4 - €5 Contract

    Ciena Corporation in Ottawa invites an AI Engineer Intern to contribute to AI-powered applications and AI agent development. You will work on facilitating engineering workflows, building tools, APIs, and interfaces, with exposure to the full development lifecycle. Ideal candidates are enrolled in a Bachelor’s or Master’s degree in CS/SE/CE, proficient...


  • Ottawa, Ontario, Canada Solace Full-time

    A tech company specializing in event-driven architecture is seeking a Senior Software Developer to join their AI team. The role involves leading technical projects, creating robust APIs, and collaborating across functions to enhance product offerings. Candidates should have over 7 years of experience, strong backend development skills particularly in Python...

  • AI Engineer Intern

    1 day ago


    Ottawa, Ontario, Canada Ciena Corporation Full-time

    ## AI Engineer Intern (Winter 2027)Postuler: Ottawa: Full time: Publié hier: R031667As the global leader in high-speed connectivity, Ciena builds the critical infrastructure powering the AI era. We’re a technology company shaping the future of networking, guided by innovation, integrity, and collaboration. Through development opportunities,...


  • Ottawa, ON, Canada Textlayer Full-time $215,000 - $250,000 Contract

    A leading AI infrastructure company in Ottawa, Canada, seeks an AI Architect to work on frontend and backend architecture for advanced AI systems. The ideal candidate has over 3 years of experience in full-stack development, specifically in Python and API development. Responsibilities include architecting services and implementing orchestration logic for AI...

  • Software Engineer

    2 hours ago


    Ottawa, Ontario, Canada Elastic Full-time

    Elevate your career with Elastic as a Software Engineer focused on the Security EDR Workflows team. This role emphasizes designing user-centric workflows and APIs for Elastic Defend's security features. As a talented engineer, you will actively shape the capability and response actions for security practitioners. Engage in cross-functional collaboration to...


  • Ottawa, Canada Manulife Financial Full-time €113,000 - €163,000 Contract

    Join the Manulife team as a Senior Integration Engineer specializing in MuleSoft. Shape enterprise integration solutions that connect applications and cloud services seamlessly. In this role, you will design and implement powerful integration platforms using MuleSoft and Azure technologies. Your responsibilities will include mentoring fellow engineers,...


  • Ottawa, ON, Canada Nokia Full-time $85,000 - $125,000 Contract

    Take on exciting challenges as a Firmware DSP Engineer at Nokia, specializing in advanced DSP and control system developments. This role centers on system design and real-time application using MATLAB and C++. You'll be tasked with developing embedded real-time DSP systems and directly contributing to the programming of an Optical Modem ASIC. The position...


  • Ottawa, ON, Canada Workila Full-time $80,000 - $120,000 Contract

    A leading technology firm in Ottawa is looking for a professional with 5+ years of experience in SDN and Java Development to deliver innovative solutions. The role requires expertise in web/rest services, APIs, and DBMS, along with familiarity with standard interface protocols. Ideal candidates will have a background in Agile environments and a degree in...

  • Software Developer

    6 days ago


    Ottawa, Ontario, Canada Solace Corporation Full-time

    Enterprise AI is moving from pilots to production, and the constraint is no longer the model —it'sthe data. Agents are only as good as what they can sense, trust, and act on in the moment, and real-time, event-driven data is becoming thefoundationevery serious AI system runs on. Solace istheleadingplatform for the enterprise AI era. Established enterprises...

  • Functional Lead

    3 hours ago


    Ottawa, Ontario, Canada IBM Full-time

    A career in IBM Consulting is built on long-term client relationships and close collaboration worldwide. You’ll work with leading companies across industries, helping them shape their hybrid cloud and AI journeys. With support from our strategic partners, robust IBM technology, and Red Hat, you’ll have the tools to drive meaningful change and accelerate...


  • Ottawa, ON, Canada Work in Ottawa Full-time $120,000 - $180,000 Contract

    Ottawa’s tech sector is growing, and so are the opportunities! If you’re exploring your next role in tech, Work in Ottawa can help you learn about leading employers and exciting careers in Canada’s capital.Led by Invest Ottawa, the city’s lead economic development agency, this initiative works alongside tech companies, recruiters and search firms,...


  • Ottawa, ON, Canada Source Code Full-time $115,718 - $139,137 Contract

    Take on a Senior Business Analyst role at 777 Bay Street with a focus on Agile project management and user story development. This 7-month contract involves direct stakeholder interaction. In this role, you will be responsible for assessing business needs and formulating concise, clear user stories vital for project success. You'll work onsite, developing...

  • AI Developer

    7 days ago


    Ottawa, ON, Ottawa Census Division, ON; Ontario, Canada Hanalytica GmbH Full-time €110,000 - €120,000 Temporary

    This range is provided by Hanalytica GmbH. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range $110,000.00/yr - $120,000.00/yr AI Developer (Fully Remote) Our client is looking for an exceptional AI Developer based in Canada to join a high-impact, fast-moving engineering team building...

  • 5G Software Designer

    3 hours ago


    Ottawa, Ontario, Canada Ericsson GmbH Full-time

    Ericsson Canada Inc. is seeking a 5G Software Designer to join the Baseband Infrastructure team in Ottawa. You will design, implement, and optimize components of the communication stack and develop the SDK used by application teams, ensuring robust APIs and clear documentation.You will collaborate with hardware teams on silicon bring-up, validate...

  • AI Engineer Intern

    2 hours ago


    Ottawa, Ontario, Canada Ciena Full-time

    As the global leader in high-speed connectivity, Ciena builds the critical infrastructure powering the AI era. We’re a technology company shaping the future of networking, guided by innovation, integrity, and collaboration. Through development opportunities, meaningful work, and flexibility, Ciena supports growth and well-being—on and off the job....


  • Ottawa, Ontario, Canada Larus Technologies Full-time

    Larus Technologies, based in Ottawa, is seeking a Software Engineer to design and develop modules for real-time solutions in public safety and security. The role involves working on data interfacing, collection, aggregation, display, and analytics within an existing product.You will contribute across Java and Python codebases, APIs, and cloud-ready...