POS+: Full-Stack JavaScript Engineer (Remote - LATAM or Europe) | JobSetuu

Description

Job Overview

• Source: WeWorkRemotely

Job Description

Headquarters: Remote / USA
URL: https://www.posplus.org/

Summary

Senior Full-Stack JavaScript Engineer (Remote - LATAM or Europe)
Company: POS+ (posplus.org)

Location: Fully Remote (Targeting LATAM or Europe time zones for team overlap)

Type: Full-Time Independent Contractor

Tech Stack: Node.js, React, TypeScript, PostgreSQL / MongoDB, AWS

About POS+
At POS+ (posplus.org), we build the foundational payment interface software that powers modern retail, B2B, and service-industry transactions. Payments architecture is unique: it requires flawless data consistency, zero-downtime availability, low latency, and bulletproof offline-first capabilities.

We don't just build web apps; we build mission-critical infrastructure that businesses rely on to process their livelihoods. Because our platform manages complex real-time event loops, financial calculations, and deep peripheral integrations, the quality of our codebase is our highest priority.

The Reality of This Role (Read This Before Applying)
We are looking for a true Senior Engineer—someone who architectures scalable systems, actively maps out edge cases, and writes highly maintainable code.

A note on AI Slop: We know the current state of remote hiring. If you rely on ChatGPT, Claude, or Copilot to blindly vomit boilerplate logic, write your functions, or solve architectural hurdles you don't actually understand, do not apply. We have zero tolerance for AI slop, unreviewed copy-pasted code, or hidden technical debt. We expect our senior engineers to have deep foundational knowledge, a critical eye for code quality, and the ability to explain the why behind every line of code they push.

Our Screening Process
We respect your time, so we will not make you do an asynchronous, 48-hour take-home coding assignment (where people just use AI anyway). Instead, our interview process is direct and highly collaborative:

Initial Intro & System Design (45 mins): A conversation about your past experience, technical scars, and a live virtual-whiteboard system architecture exercise focused on high-throughput data processing.

The Live Code Review & Debugging Session (60 mins): You will share your screen with our team. We will give you a functioning but poorly written, messy JavaScript/TypeScript codebase. Your job will be to audit it live—identifying security vulnerabilities, architectural flaws, concurrency issues, and refactoring it for long-term maintainability.

What You Will Do
Architect, build, and maintain highly scalable full-stack features using Node.js, React, and TypeScript.

Optimize complex database queries and schema designs (SQL/NoSQL) to handle massive transaction volumes.

Secure and scale our RESTful and WebSocket APIs to ensure instantaneous synchronization between physical POS softwares - both cloud and server-based - and our cloud infrastructure.

Proactively identify and eliminate technical debt, enforcing strict linting, type safety, and comprehensive testing frameworks.

Work as a direct independent contractor, collaborating synchronously with our core product and engineering leadership.

What We Look For
5+ years of verified professional experience running production-grade full-stack JavaScript/TypeScript applications.

Production experience dealing with asynchronous programming challenges, race conditions, memory management, and event-driven architectures in Node.js.

Deep knowledge of React state management, rendering optimization, and building accessible, modular UI components.

Strong communication skills in English—you must be comfortable thinking out loud, defending your architectural choices, and collaborating live via video calls.

Experience with cloud infrastructure (AWS/GCP), CI/CD pipelines, and Dockerized environments is a major plus.

What We Offer
Top-Market USD Compensation: Competitively calibrated based on your geographic location and senior expertise.

Direct Contractor Engagement: Clean, streamlined contracting and monthly invoicing.

True Autonomy: No micromanagement. You own your modules, write clean code, and execute.

Impact: You will be working directly on core systems that impact thousands of real-world merchant locations daily.

How to Apply
Please submit your resume/LinkedIn profile along with a link to your GitHub/GitLab.

To apply: https://weworkremotely.com/remote-jobs/pos-full-stack-javascript-engineer-remote-latam-or-europe

Expert Career Tips for POS+: Full-Stack JavaScript Engineer (Remote - LATAM or Europe) Roles

To succeed in a competitive market as a POS+: Full-Stack JavaScript Engineer (Remote - LATAM or Europe), you need more than just technical skills. Here are some expert strategies to elevate your profile:

• Build a Strong Portfolio: For technical roles, a clean GitHub or a personal project site is essential. For non-technical roles, a case study portfolio demonstrating problem-solving and impact is equally valuable. Show, don't just tell, what you have achieved in your previous positions.
• Master the Narrative: When interviewing, use the STAR method (Situation, Task, Action, Result) to structure your answers. Quantify your results wherever possible—mentioning "increased efficiency by 20%" is much more impactful than saying "improved efficiency."
• Continuous Learning: The industry moves fast. Whether it's staying updated with the latest AI tools or mastering a new management methodology, continuous professional development is key. Consider obtaining industry-recognized certifications that align with POS+: Full-Stack JavaScript Engineer (Remote - LATAM or Europe) requirements.
• Networking: Connect with other professionals in similar roles. Join online communities, attend webinars, and engage in meaningful discussions on professional social networks. Often, the best opportunities come through referrals and community engagement.
• Soft Skills Matter: Communication, empathy, and leadership are often the deciding factors between two equally qualified technical candidates. Cultivate these skills as they are universally valued across all industries and seniority levels.

Additionally, research the specific company's culture and values. Tailoring your application to show how you align with their mission can significantly increase your chances of moving forward in the process.

Salary & Compensation

Salary not disclosed; typically competitive for the role.

Work Arrangement

Type: On-Site

Standard business hours at the office.

Comprehensive Application Strategy & Hiring Process

Applying for a new role is a marathon, not a sprint. Follow this strategic approach to maximize your success rate:

1. Initial Research & Tailoring

Don't send the same resume to every employer. Spend at least 30 minutes researching the company. Look for recent news, their product roadmap, and their team structure. Modify your summary and core competencies to reflect the specific keywords found in the job description.

2. The Perfect Cover Letter

If the application allows for a cover letter, use it to tell a story that your resume cannot. Explain why you are passionate about this specific company and how your unique background makes you the perfect fit for the challenges they are currently facing.

3. Navigating the Multi-Stage Interview

Most modern hiring processes involve 3-5 stages. This typically includes a recruiter screen, a technical or skill-based assessment, a peer interview, and a final leadership round. Prepare for each stage differently: focus on enthusiasm and fit for the recruiter, technical depth for the assessment, and strategic vision for the leadership round.

4. Post-Interview Follow-Up

Always send a personalized thank-you note within 24 hours of each interview. Reference a specific topic discussed during the call to demonstrate your active listening and genuine interest in the role.

By following these steps, you demonstrate a high level of professionalism and attention to detail that sets you apart from the average applicant.

Typical Interview Process

1. Resume screening
2. HR call
3. Skill interview
4. Final manager interview
5. Offer

Tip: Research the company's products and culture.

Global Market Intelligence & Relocation Insights

At JobSetuu, we specialize in helping talent navigate the global job market. Here is what you need to know about the current landscape in Global and beyond:

The demand for skilled professionals is increasingly borderless. For roles based in Global, understanding the local cost of living, visa requirements (if applicable), and cultural nuances is vital. If this is a remote role, consider the time zone alignment and the asynchronous communication culture of the hiring organization.

Relocation Support: Many forward-thinking companies offer relocation packages that include moving stipends, temporary housing, and legal assistance with work permits. When evaluating an offer, look beyond the base salary—consider the total compensation package, including equity, bonuses, and healthcare benefits.

Work-Life Balance Trends: Hybrid and remote work have become standard in many regions. Research the local labor laws and common practices regarding work hours and vacation time to ensure the role aligns with your lifestyle goals.

Leveraging JobSetuu's tools can help you compare salaries across different cities and understand the "purchasing power" of your potential offer, ensuring you make an informed decision for your long-term career path.

Skills & Competency Roadmap for Professional Development

To remain competitive in Professional Development, we recommend focusing on the following core competencies over the next 12-18 months:

• Technical Mastery: Deepen your expertise in the core tools and languages relevant to your field. For developers, this might be cloud architecture; for marketers, it might be data-driven attribution modeling.
• AI Augmentation: Learn how to leverage generative AI and automation tools to increase your productivity. Understanding how to integrate these technologies into your workflow is becoming a non-negotiable skill.
• Leadership & Strategy: Even in individual contributor roles, the ability to think strategically and lead projects from inception to completion is highly valued. Focus on stakeholder management and high-level project planning.
• Data Literacy: The ability to interpret data and use it to drive decisions is essential across all business functions. Familiarize yourself with data visualization and basic analytical concepts.

By investing in these areas, you not only prepare yourself for the role you are applying for today but also build a resilient foundation for the opportunities of tomorrow.

Apply via JobSetuu

Discover your next career milestone on JobSetuu. This POS+: Full-Stack JavaScript Engineer (Remote - LATAM or Europe) position is part of our commitment to bringing you the most relevant and high-impact job openings globally. At JobSetuu, we simplify your job search by aggregating premier listings and providing the tools you need to stand out. Don't miss the chance to elevate your professional journey—explore more opportunities and career insights on our platform today.