FullStack Developer | Hybrid | Contract Based | with 50K Completion Bonus! at ATOS Information Technology Inc. – Makati | Jobyssey

About the role

We are looking for a Fullstack Software Engineer with strong experience in frontend and backend technologies to design, build, and maintain data-rich applications.

Key responsibilities

Build and maintain data-rich single-page applications using JavaScript and charting libraries such as ECharts or D3

Develop Python applications with modular architecture, input validation, error handling, logging, concurrency, and background processing

Design and consume REST APIs, server-sent events, asynchronous workflows, pagination, rate limiting, and API integrations

Integrate with enterprise platforms such as Jira Cloud, Jira Agile APIs, Planview, OAuth2, API tokens, and Basic Authentication

Design reliable ETL pipelines, including data extraction, transformation, validation, retry handling, idempotency, and incremental processing

Develop analytics and reporting solutions, including aggregations, time-series data, KPIs, forecasting, Monte Carlo simulation, and statistical interpretation

Participate in design discussions, code reviews, technical documentation, demos, and knowledge sharing

About you

Strong experience in frontend and backend technologies, including HTML5, CSS3, JavaScript, responsive design, browser APIs, Python, and HTTP services

Strong SQL and relational database experience, including PostgreSQL, SQLite, SQLAlchemy, data modelling, indexing, transactions, and query optimisation

Experience with automated testing using pytest, unit testing, integration testing, API testing, mocking, regression testing, and test-driven development

Good foundation in secure software development, including OWASP principles, XSS prevention, injection protection, CORS, secrets management, API authentication, secure headers, and dependency vulnerability management

Familiarity with Python data and machine-learning libraries such as NumPy and scikit-learn

Good foundation in data structures, algorithms, object-oriented design, and clean, maintainable programming

Awareness and adherence to web standards, responsive design, accessibility principles, ARIA, and WCAG

Familiarity with modern software architecture, API-driven development, transactional systems, event-based processing, and data-authoritative application design

Familiarity with DevOps principles, continuous integration, automated security scanning, dependency management, SBOM generation, and production support

Collaborative attitude, willingness to participate in design discussions, code reviews, technical documentation, demos, and knowledge sharing

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About the role

Key responsibilities

About you