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Senior Full Stack developer (remote)

Diffco

Role overview

Qualifications

  • 8+ years in engineering, with proven SaaS/B2B experience
  • Strong in TypeScript, Node.js, React, PostgreSQL
  • Exposure to system design and scaling at enterprise or large project level
  • Ability to ship high-quality features fast

Responsibilities

  • Deliver end-to-end features across backend and frontend, with emphasis on backend
  • Contribute to refactoring and modernizing systems as well as new feature delivery
  • Collaborate with product, design, and research teams in a distributed environment
  • Implement design updates as part of a rebranding initiative

About the company

Diffco logo

Diffco

Computer Software / SaaS

Diffco is a leading app development company of world-class senior developers that boost companies to become market leaders.- 14+ years of experience in Mobile, web, and AI product development.- Launch, accelerate, and support your business applications.- Long-term relationship and focus on reliability and trust.- 1100+ successfully launched projects all over the globe.- We engage the best experts with relevant skills and deep experience in your specific industry to meet your needs.- Award-winning agency. Trust our developers to deliver great cost-effective solutions. We focus on the product and work on the whole project creation from ideation to a sophisticated technological implementation with continuous development and support.What do we offer?- Transparent billing;- Always clear communications with you about everything;- Only dedicated project teams with no cross-project sharing;- Vetting and verification of team member expertise;- Detailed reporting and deliverables. Choose a convenient way to work with us:- Full-project development with hiring a team of dedicated professionals necessary to design, develop and launch your project.- Team augmentation with hiring an expert or a custom group of professionals formed by us and will become a dedicated part of your team.

Company details

Company typeSME
IndustryComputer Software / SaaS
Company size51 - 200

Links

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Job description

We are seeking a Senior Full Stack Engineer to join a fast-growing SaaS company. The role will strengthen existing product teams, accelerate AI readiness initiatives, and support a company-wide rebrand implementation project.

Position: Senior Full Stack Engineer

Location: Central/Western Europe (CET/WET)

Contract: B2B

Responsibilities

  • Deliver end-to-end features across backend and frontend, with emphasis on backend.
  • Contribute to refactoring and modernizing systems as well as new feature delivery.
  • Collaborate with product, design, and research teams in a distributed environment.
  • Implement design updates as part of a rebranding initiative (typography, assets, UI components).

Must-Have Skills

  • 8+ years in engineering, with proven SaaS/B2B experience.
  • Strong in TypeScript, Node.js, React, PostgreSQL.
  • Exposure to system design and scaling at enterprise or large project level.
  • Ability to ship high-quality features fast.
  • Experience migrating legacy systems or supporting multi-region infra is a plus.

Soft Skills

  • Agentic mindset: outcome-driven problem solver, not bound by process.
  • Excellent cross-team communication in distributed environments.

What we offer:

  • Competitive salary and bonuses
  • Flexible work hours
  • Remote job
  • Professional development opportunities
  • Vibrant workplace culture

Why working at Diffco?

  • Great experience and opportunity:
    You will work on the fast-forward projects in Silicon Valley utilizing the latest technologies, methodologies, frameworks and approaches with the ability and time to learn and develop professionally.
  • Professional and harmonious team of friends:
    Our team is a second family, so you would enjoy spending the day working on nice projects with kind people with broad interests.
  • A vast field for growth:
    Learn continuously, expand your skills and demonstrate your professional level and ability to take more responsibility to grow.
  • Great company culture:
    We care about you and are interested in your personal professional goals, motivation and we build a perfect work/life balance.

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MR

Marcus Rivera

Chief Revenue Officer

m.rivera@company.com
linkedin.com/in/marcusrivera
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