🚀 Senior Full Stack Software Engineer (Fluent English | US Clients | Remote | Long-Term Full-Time)

Posted yesterday

Worldwide

Needs to hire 20 Freelancers
Summary

🧠 Overview We're looking for an experienced Full Stack Software Engineer to join our growing remote engineering team and help build high-quality, production-grade web applications for US-based clients. This is a development-first position where you'll design, build, maintain, and improve scalable software systems used in real-world business environments. You'll work across the full technology stack while collaborating with engineering, product, and design teams to deliver reliable software solutions. Although this is primarily a software engineering role, there may be occasional opportunities to participate in technical discussions with clients and stakeholders. As a result, excellent English communication skills are considered an important part of the role. 🎯 Key Responsibilities • Design, develop, and maintain modern full-stack web applications • Convert business and product requirements into scalable technical solutions • Build and integrate APIs, databases, cloud services, and third-party platforms • Participate in architecture discussions, sprint planning, and technical reviews • Write clean, maintainable, efficient, and well-documented code • Debug issues, optimize application performance, and improve system reliability • Collaborate closely with engineering, product, QA, and design teams ✅ Mandatory Requirements • Minimum 2+ years of professional Full Stack software development experience • Strong knowledge of JavaScript, React, Node.js, REST APIs, databases, and modern web technologies • Near-native English proficiency (C2 level — spoken and written) • Ability to communicate confidently and professionally with US-based clients when required • Availability to overlap with US business hours (EST / PST / CT) • Excellent analytical thinking, debugging, and problem-solving abilities • Strong ownership mindset, accountability, and professionalism ➕ Preferred Qualifications • Experience working with US or international clients • Previous client-facing or consulting experience • Familiarity with Agile development methodologies and modern engineering workflows • Experience working successfully within distributed remote teams 💡 What We Value We're looking for engineers who: • Deliver consistently high-quality software • Communicate technical concepts clearly and professionally • Take ownership from design through deployment • Learn quickly and adapt to evolving project requirements • Collaborate effectively across cross-functional teams 💰 Compensation & Benefits • Hourly Rate: $80–$115/hour • Expected Workload: 20–30 hours per week • Typical Monthly Earnings: $10,000–$15,000 • Long-term, full-time opportunity (5–6+ years) • Strong opportunities for advancement into Senior Developer, Technical Lead, Engineering Manager, and other leadership positions 📩 Application Instructions Please include: • A summary of your software development experience and primary tech stack • Portfolio, GitHub, or examples of previous projects • Any experience working directly with clients or stakeholders • A short introduction video or voice recording (highly preferred) • Your availability to work with US time zones 🚀 Additional Information We're looking for engineers who are passionate about building production-quality software while collaborating with international teams and US-based clients. If you're seeking a stable, long-term opportunity where you can continue growing technically and professionally, we'd love to hear from you. All communication, interviews, and discussions prior to contract initiation will be conducted exclusively through Upwork.

  • Less than 30 hrs/week
    Hourly
  • 6+ months
    Duration
  • Entry level
    Experience Level
  • $80.00

    -

    $115.00

    Hourly
  • Remote Job
  • Ongoing project
    Project Type

Contract-to-hire opportunity

This lets talent know that this job could become full time.
Learn more
Skills and Expertise
Mandatory skills
React
Node.js
JavaScript
Activity on this job
  • Proposals:15 to 20
  • Last viewed by client:3 hours ago
  • Interviewing:
    13
  • Invites sent:
    35
  • Unanswered invites:
    10
About the client
Member since Jun 7, 2026
  • India
    5:39 PM

Explore similar jobs on Upwork

Add Tree Adoption Feature to WordPressFixed-price‐ Posted 2 months ago
WordPress
PHP
HTML5
CSS
JavaScript
Node.js
PHP
Web Application
AI App Development
DevOps
API
Git
MySQL

How it works

  • Post a job icon
    Create your free profile
    Highlight your skills and experience, show your portfolio, and set your ideal pay rate.
  • Talent comes to you icon
    Work the way you want
    Apply for jobs, create easy-to-by projects, or access exclusive opportunities that come to you.
  • Payment simplified icon
    Get paid securely
    From contract to payment, we help you work safely and get paid securely.
Want to get started? Create a profile

About Upwork

  • Rating is 4.9 out of 5.
    4.9/5
    (Average rating of clients by professionals)
  • G2 2021
    #1 freelance platform
  • 49,000+
    Signed contract every week
  • $2.3B
    Freelancers earned on Upwork in 2020

Find the best freelance jobs

Growing your career is as easy as creating a free profile and finding work like this that fits your skills.

Trusted by

  • Microsoft Logo
  • Airbnb Logo
  • Bissell Logo
  • GoDaddy Logo