Senior Full Stack Developer

Senior Full Stack Developer - React, C# .NET, Typescript (RSG0001) @ hammerjack | Jobright.ai

Senior Full Stack Developer - React, C# .NET, Typescript (RSG0001) jobs in United States

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hammerjack · 2 months ago

Senior Full Stack Developer - React, C# .NET, Typescript (RSG0001)

United States

Full-time

Remote

Senior Level

5+ years exp

hammerjack connects skilled professionals in the Philippines with growing businesses across Australia and beyond. They are looking for a Senior Full Stack Developer to join their engineering team and help build scalable, high-quality web applications, focusing on both frontend and backend development using React, TypeScript, and C#/.NET.

AccountingCustomer ServiceMarketingInformation TechnologyOutsourcingSocial MediaEmail MarketingSEMSEOSocial Media Management

No H1B

Responsibilities

Design, develop, and maintain full-stack web applications using React, TypeScript, and C#/.NET

Build responsive, accessible, and user-friendly interfaces that deliver exceptional user experiences

Develop and maintain APIs, backend services, and database solutions

Collaborate with product, design, and engineering teams to deliver new features and enhancements

Participate in technical design discussions and contribute to architectural decisions

Write clean, maintainable, and well-tested code following development best practices

Perform code reviews and support continuous improvement initiatives across the engineering team

Troubleshoot, debug, and resolve issues across frontend and backend systems

Contribute to application performance, scalability, security, and reliability

Stay up to date with emerging technologies and development practices

Qualification

ReactTypeScriptC#/.NETEntity Framework CorePostgreSQLREST APIsAccessibility standards WCAG 2.1/2.2 AAAccessibility standards ARIAUnit testingIntegration testingEnd-to-end testing

Required

5+ years of experience shipping production software as a Full Stack Engineer, with strong frontend and backend expertise

Deep experience with React and TypeScript (strict mode), including generics, discriminated unions, hooks, and modern development patterns

Strong experience with C#/.NET, including minimal APIs, async/await, Entity Framework Core (or equivalent ORM), and recent .NET versions

Strong RDBMS experience, preferably PostgreSQL, including schema design, complex queries, and database migrations

Experience designing and maintaining APIs, particularly REST services, with an understanding of service contracts and integration best practices

Solid understanding of accessibility standards, including WCAG 2.1/2.2 AA, ARIA, keyboard navigation, and screen reader testing

Strong testing discipline with experience across unit, integration, and end-to-end testing frameworks

Based in Australia with full working rights

Preferred

Experience building or contributing to design systems, including tokens, primitives, theming, and versioning

Experience developing canvas-based, drag-and-drop, or visual editor interfaces using tools such as React Flow, xyflow, or dnd-kit

Experience building real-time applications using SignalR, WebSockets, or similar technologies

Exposure to workflow or rules engines such as Elsa or Flowable

Experience working with event-driven architectures using RabbitMQ, Kafka, or similar technologies

Experience working within Kubernetes and Helm environments

Comfortable using AI-assisted development tools such as Claude Code, Cursor, or GitHub Copilot beyond basic autocomplete

Benefits

Flexibility

Work hybrid with options across Makati and Pampanga, aligned to day shift roles with Australian clients.

Workspaces that Work

Modern offices designed for focus, collaboration, and real productivity.

Coffee and After-Hours Drinks

Barista coffee on demand and a café bar to unwind after work.

Meals Covered

Complimentary meals once a week on your onsite day.

Health Coverage from Day One

Includes dependent options, so you’re covered from the start.

Competitive Compensation

Transparent salary packages with direct client involvement.

Career Growth

Ongoing training and real opportunities to step into bigger roles.

Recognised Workplace

Part of a team ranked 8th Best Workplace in the Philippines and recognised among Fortune Best Workplaces in Southeast Asia.

Supportive Team Environment

Work with people who are easy to work with, reliable, and invested in doing good work.

Global Exposure

Work directly with international clients and be part of how teams scale globally.

Company

hammerjack

HammerJack is providing enterprise level IT and BPO service solutions to businesses, large and small.

Founded in 2015

Sydney, New South Wales, AUS

501-1000 employees

http://hammerjack.com.au/

Funding

Current Stage

Late Stage

Total Funding

unknown

Key Investors

Future Now Ventures

2016-01-01Seed

Recent News

prnasia.comGreat Place To Work® Announces Best Workplaces™ in the Philippines IT-BPM Industry 2026, representing the voices of 679,116 employees across 30 organizations.

2026-06-12

Company data provided by crunchbase