Software Engineer-II Backend

United States Digital Space LLC; United States; Hybrid; USD 95,000 - 150,000; Full time

Job summary

United States Digital Space LLC in London is seeking a Software Engineer II – Backend to design, build, and operate scalable backend services powering identity verification and fraud prevention products. You will collaborate with Engineering, Product, Infrastructure, and Data Science teams and own software from design through production.

You should have practical experience building backend applications, strong skills in Go, Java, or Python, and a solid grasp of distributed systems, APIs, and

Qualifications

• Experience building backend services or applications.
• Strong programming skills in Go, Java, or Python.
• Knowledge of distributed systems, APIs, and databases.
• Familiarity with cloud-native technologies and modern development practices.

Responsibilities

• Design, build, test, and operate backend services, APIs, and microservices.
• Develop reliable, secure, and maintainable production software.
• Work on distributed systems, asynchronous workflows, messaging, and event-driven architectures.
• Contribute to technical design and engineering trade-offs.
• Troubleshoot production issues and improve system reliability and observability.
• Participate in code reviews, automated testing, CI/CD, and engineering best practices.
• Collaborate with globally distributed, cross-functional teams to solve customer and business problems.

Skills

Go

Java

Python

Backend development

Distributed systems

APIs

Tools

AWS

Docker

Kubernetes

Kafka

Job description

Why the company?

the company is building the identity trust infrastructure for the digital economy — verifying 100% of good identities in real time and stopping fraud before it starts. The mission is big, the problems are complex, and the impact is felt by businesses, governments, and millions of people every day.

We hire people who want that level of responsibility. People who move fast, think critically, act like owners, and care deeply about solving customer problems with precision. If you want predictability or narrow scope, this won’t be your place. If you want to help build the future of identity with a team that holds a high bar for itself — keep reading.

the company is looking for a Software Engineer II – Backend to join our global engineering team.

You’ll design, build, and operate scalable backend services that power our identity verification and fraud prevention products. You’ll work closely with Engineering, Product, Infrastructure, and Data Science/ML teams and take ownership of software from design through production.

What You’ll Do

• Design, build, test, and operate backend services, APIs, and microservices.
• Develop reliable, secure, and maintainable production software.
• Work on distributed systems, asynchronous workflows, messaging, and event-driven architectures.
• Contribute to technical design and make thoughtful engineering trade-offs.
• Troubleshoot production issues and improve system reliability and observability.
• Participate in code reviews, automated testing, CI/CD, and engineering best practices.
• Collaborate with globally distributed, cross-functional teams to solve customer and business problems.

What We’re Looking For

• Practical software engineering experience building backend applications or services.
• Strong programming skills in Go, Java, Python, or a comparable backend language.
• Good understanding of data structures, algorithms, APIs, microservices, and distributed systems fundamentals.
• Experience working with SQL and/or NoSQL databases.
• Understanding of asynchronous processing, messaging, retries, fault tolerance, and service-to-service communication.
• Familiarity with cloud-native technologies such as AWS, Docker, Kubernetes, Kafka or equivalent technologies.
• Understanding of source control, automated testing, CI/CD, and modern software development practices.
• Ability to troubleshoot technical problems methodically and take ownership of solutions through production.
• Clear communication skills and the ability to collaborate effectively across teams.

Additional Information

Permanent right to work in the UK is required; the company does not provide visa sponsorship for this role.

• Candidates must be based in London or within a commutable distance, with the ability to attend the office as needed.

the company is an equal opportunity employer that values diversity in all its forms within our company. We do not discriminate based on race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.If you need an accommodation during any stage of the application or hiring process—including interview or onboarding support—please reach out to your the company recruiting partner directly.

the company is an equal opportunity employer that values diversity in all its forms within our company. We do not discriminate based on race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.If you need an accommodation during any stage of the application or hiring process—including interview or onboarding support—please reach out to your the company recruiting partner directly.

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