Software Developer - API - Senior

Summary

Senior developer builds and maintains REST APIs, AI agents, and web apps using React, Node.js, and cloud tools in an outsource team.

Responsibilities

Required to translate technical systems specifications into working, tested This includes:
- developing detailed programming specifications
- writing and/or generating code
- compiling data-driven programs, maintaining, and conducting unit
- Analyzes, designs, develops, codes and implements programs in one or more programming languages, for Web and Rich Internet Applications
- Supports applications with an understanding of system integration, test planning, scripting, and troubleshooting
- Designs and develops REST API platform (e.g., with using Apigee/APIM)
- Converts web services from SOAP to REST or vice-versa
Resolves and troubleshoots technical problems which arise during the use and operation of software packages, including technical assistance in implementation, conversion and migration.

General Skills

Experience in programming and analysis; specialized software package support at the specified experience level
Ability to collaborate with IT Professionals throughout the Software Development Life Cycle
Experience in structured methodologies for the development, design, implementation and maintenance of applications
Experience in design, code, test, debug and document applications
Experience in the use of object and/or third generation language development tools
Experience in one or more programming languages
Experience in application design, latest design patters, deployment and troubleshooting
Experience with relational and hierarchical database technologies
Experience in the use of information retrieval packages using query languages
Experience with one or more communications protocols
Experience in structured methodologies for the design, development, implementation and maintenance of applications
Experience eliciting and documenting information from diverse business area stakeholders and subject matter experts
Excellent analytical, problem-solving and decision-making skills; verbal and written communication skills; interpersonal and negotiation skills
A team player with a track record for meeting deadlines

API Skills

Experience with Web Technologies (DHTML, AJAX, etc.)
Experience with Security frameworks (e.g., JWT, OATH2)
Experience in API layer like security, custom analytics, throttling, caching, logging, monetization, request and response modifications etc. using Apigee
Experience in creating REST API documentation using Swagger and YAML or similar tools desirable
Experience with Integration frameworks (e.g., Mule, Camel) desirable

Desirable Skills

Knowledge and experience with programming Internet-ready applications
Knowledge and experience in rapid application development (RAD) methodologies
Knowledge and understanding of Information Management principles, concepts, policies and practices
Experience with middleware and gateways
Experience reviewing, analyzing, and modifying product installation scripts including encoding, testing, debugging
Ability to provide post-implementation support and resolve any post-implementation technical issues
Experience conducting design walkthrough sessions with project team
Knowledge and understanding of Accessibility for Ontarians with Disability Act (AODA) and related regulations and standards
Ability to provide user and system documentation as required

Technical Skills

Experience with Agile methodologies
Experience with React framework and typescript
Experience with Node.js and Next.js
Experience building and testing RESTful APIs
Multi-agent (Agentic AI), LLMops, MCP, langchain, langGraph, RAG, Qdrant, Python
ML models - XGboost, Tensorflow
MLops - Mlflow, DVC
Airflow, PySpark
Working knowledge of Jamstack Architecture
Hands on experience with Progressive Web Apps
Hands on experience with responsive design, front-end testing and debugging techniques, page load optimization and version control
Experience and expert knowledge in HTML, JavaScript, CSS and CSS Frameworks
Working knowledge of DevOps, task boards, pipelines, etc.
Experience with headless content management systems
Experience creating front end functionality for login page, profile creation, customer notifications and self-service sign-up
Required to translate technical systems specifications into working, tested applications. This includes:
- Developing detailed programming specifications
- Writing and/or generating code
- Compiling data-driven programs, maintaining, and conducting unit tests
Resolves and troubleshoots technical problems which arise during the use and operation of software packages, including technical assistance in implementation, conversion, and deployment

Experience

Experience with cloud platforms such as Azure
Experience with Agile methodologies including using kanban/task boards
Extensive experience with JavaScript, CSS, HTML, and front-end languages, user interface design.
Experience with RESTful APIs.
Hands on experience developing production level AI agents, frameworks and AI supported systems using various models, tools and architectures (e.g. LLMs, ML, Computervision, etc.)
Hands on experience designing and implementing MLOps tools and processes in enterprise environments
Experience in programming and analysis; specialized software package support at the specified experience level
Ability to collaborate with IT Professionals throughout the Software Development Life Cycle
Experience in structured methodologies such as Agile Scrum for the development, design, implementation, and maintenance of applications
Experience in design, code, test, debug and document applications
Experience in application design, latest design patterns, deployment, and troubleshooting
Experience with one or more communications protocols
Experience eliciting and documenting information from diverse business area stakeholders and subject matter experts
Excellent analytical, problem-solving, and decision-making skills; verbal and written communication skills; interpersonal and negotiation skills
A team player with a track record for meeting deadlines
Hands on experience building integrations to IAA systems such as Azure AD B2C Authentication, Okta Authentication

Communication Skills

Strong communication skills to prepare documentation, including but not limited to: solution documentation, user manuals, reports, reviews, assessments
Ability to present ideas and suggestions clearly and effectively and in a user-friendly manner; maintain a high level of customer service to both internal and external clients
Ability to communicate designs and development in clear and understandable manner

Must Have:

5+ Experience with React framework and typescript
5+ Experience with Node.js and Next.js
5+ Experience building and testing RESTful APIs
2-3+ years of Multi-agent (Agentic AI), LLMops, MCP, langchain, langGraph, RAG, Qdrant, Python
Experience with ML models - XGboost, Tensorflow
Experience with Airflow, PySpark
5+ Hands on experience with Progressive Web Apps
Experience and expert knowledge in HTML, JavaScript, CSS and CSS Frameworks
Experience with cloud platforms such as Azure

Nice to have:

Hands on experience developing production level AI agents, frameworks and AI supported systems using various models, tools and architectures (e.g. LLMs, ML, Computervision, etc.)
Hands on experience designing and implementing MLOps tools and processes in enterprise environments
Prior OPS exp or public sector exp.