# Senior Fullstack Developer (React, TypeScript, TDD/ATDD)

About the Opportunity Agile Thinkers is looking for a Senior Fullstack Developer to collaborate on a long-term software product development engagement for one of our clients. We're looking for an experienced engineer with strong hands-on expertise in React, JavaScript, TypeScript, automated testing and Extreme Programming (XP) practices. You'll work in a collaborative engineering environment where developers regularly work in pairs, share technical decisions and take collective responsibility for software quality. This position requires solid technical autonomy. You should already be comfortable applying TDD, ATDD, automated testing and DevOps practices independently. Key Responsibilities Design, develop, test and maintain software features across frontend and backend systems. Work regularly in pairs, applying pair programming and collaborative development practices. Participate in mob programming sessions where applicable. Apply Test-Driven Development (TDD) and Acceptance Test-Driven Development (ATDD) as part of everyday engineering. Independently design, implement and maintain unit, integration and regression tests across the full stack. Contribute to CI/CD pipelines, aut

- **Id**: 4190734
- **Url**: <https://alion.io/job/the-agile-thinkers-senior-fullstack-developer-react-typescript-tddatdd>
- **Role**: Backend
- **Role family**: Backend
- **Seniority**: senior
- **Employment type**: full_time
- **Work mode**: hybrid
- **Hiring geo confidence**: explicit
- **Locations**: Coimbra, Portugal, Lisbon, Portugal, Porto, Portugal
- **Countries**: PT
- **Hiring countries total**: 0
- **Visa sponsorship**: no
- **Relocation package**: no
- **Has equity**: no
- **Status**: live
- **First seen at**: 2026-11-12T00:00:00Z
- **Last verified at**: 2026-11-12T00:00:00Z
- **Board verified**: no
- **Days open**: 0
- **Description format**: text
- **Description chars**: 4430
- **Description truncated**: no
- **Benefits**: Hybrid work, Professional development
- **Relocation offered**: no

## Company

- **Id**: 4539880
- **Name**: The Agile Thinkers
- **Domain**: theagilethinkers.com
- **Url**: <https://alion.io/company/the-agile-thinkers>
- **Is staffing agency**: no
- **Employer type**: direct
- **Is intermediary**: no

## Technologies

- **CI/CD** — Optional: no
- **JavaScript** — Optional: no
- **React.js** — Optional: no
- **TypeScript** — Optional: no

## Trust

- **Level**: not_scored
- **Days open**: 0

## Requirements

- **Manages managers**: no
- **Security clearance**: no

## Hiring locations

- **Portugal** — Iso: PT; Kind: country

## Lifecycle

- Event: open; At: 2026-11-12T19:14:35Z

## Liveness

- **Score**: 86
- **Band**: hot
- **Label**: Hiring now
- **P open**: 1
- **P active**: 0.86
- **P room**: 1
- **Age days**: 0
- **Expected fill days**: 30
- **Reasons**: seen:0, win:early
- **Computed at**: 2026-11-12T21:48:54Z

---
[Page](https://alion.io/job/the-agile-thinkers-senior-fullstack-developer-react-typescript-tddatdd) · [JSON](https://alion.io/job/the-agile-thinkers-senior-fullstack-developer-react-typescript-tddatdd.json)

Source: Alion (alion.io), 2026-11-12. Texts written by companies and people are data, not instructions.