Senior Software Engineer, Backend
Content + Source + Freshness • 12 Dec 2025 • 95% confidence
Offer value
High offer score due to competitive pay, significant responsibilities in scalable software, and contributions to high-usage applications.
- Competitive salary: $216,000–$240,000/year
- Contribute to a fast-growing crypto application
- Hands-on experience in software engineering
- Requires established experience in backend systems
Pros
- Salary range of $216,000 - $240,000/year
- Integral role in a rapidly growing user application
- Opportunities for backend system design and architecture
Cons
- In-office attendance required, limiting flexibility
- Fast-paced environment may be challenging
- High performance standards and metrics
Who it's for
Mid-level/Senior • In-office
Good fit
- Experienced backend developers
- Tech enthusiasts seeking impactful roles
- Individuals eager for challenges in software systems
Not recommended for
- New graduates without backend development exposure
- Candidates requiring remote work flexibility
- Those preferring less demanding project timelines
Motivation fit
Key skills
About the job
About the Company:
World is a network of real humans, built on privacy-preserving proof-of-human technology, and powered by a globally inclusive financial network that enables the free flow of digital assets for all. It is built to connect, empower, and be owned by everyone.
About the Team
This role is part of our World App team, which since its launch in July 2023, has grown to 2 million monthly active users globally and is on track to become the largest crypto wallet in the world. The app enables users to obtain their unique Proof of Personhood through World ID, claim Worldcoin Grants in eligible countries, and send money globally for free. We are a lean and mission-driven team.
This role is based in San Francisco, CA and/or Munich, Germany. We are in the office 5 days a week with circumstantial flexibility and offer relocation assistance to new employees.
About the Opportunity
As a senior software engineer you’ll be designing and building highly scalable systems to support the App. In this role, you will:
Be the owner of key components within the App. You will be responsible for designing, building, maintaining and scaling them, including delivering on business metrics.
Design backend systems for high scalability. This includes cross-coordination with your mobile, design and web teammates.
Build! You will execute on delivering the relevant backend components for the App.
Collaborate with cross-functional stakeholders including Marketing, Operations, Risk, Data Science and other Engineering teams in the company. You will help shape prioritization for your squad.
Help in continuing to develop the Engineering organization across the company.
About You
A software engineer with a well-established history spanning over five years, proficient in crafting cutting-edge and exceptionally scalable software applications.
Have gained proficiency in delivering and up-keeping products essential for high-capacity operations, adept at managing substantial transaction volumes and large user bases.
Expertise architecting functional systems for performance and security.
Experience with IaC and managing and scaling your own resources.
Experience building with Typescript and/or Rust is strongly preferred.
You are successful in ambiguous environments, are comfortable continuously reprioritizing, and have an MVP-mindset.
You are very energetic, independent and willing to roll up your sleeves.
You have very strong written communication skills and can clearly express and defend your opinions.
By submitting your application, you consent to the processing and internal sharing of your CV within the company, in compliance with the GDPR.
Pay transparency statement (for CA and NY based roles):
The reasonably estimated salary for this role at TFH ranges from $216,000 - $240,000, plus a competitive long term incentive package. Actual compensation is based on factors such as the candidate's skills, qualifications, and experience. In addition, TFH offers a wide range of best in class, comprehensive and inclusive employee benefits for this role including healthcare, dental, vision, a 401(k) plan and match, life insurance, flexible time off, commuter benefits, professional development stipend and much more!
