Senior Backend Engineer - Payments

United States Digital Space LLC

United States

Hybrid

USD 120,000 - 160,000

Full time

14 days+

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Benefits offered by this job

Healthcare plan

Counselling services

Cycle to work

Employee Assistance Program

Mental health support

Sabbatical after 5 years

Dog-friendly offices

Pension matching

Job summary

United States Digital Space LLC in the United States seeks a Senior Backend Software Engineer to join permanently. You’ll work in a cross-functional Payments team partnering with mobile, web and data science teams to deliver scalable services.

Responsibilities include collaborating with managers, engineers, and designers; owning features from discovery to deployment; maintaining production systems; practicing blameless post-mortems; and mentoring teammates in a fast-moving, API-driven

Qualifications

Strong backend software engineer with experience in scalable web apps.
Proficiency in TypeScript, Scala, Java, Kotlin, or Python.
Experience with relational or NoSQL databases (PostgreSQL, DynamoDB).
Familiarity with Kafka and stream processing; DevOps mindset.

Responsibilities

Collaborate with cross-functional teams to understand problems and design solutions.
Produce high-quality code used by 1M+ daily users.
Own features from discovery to implementation.
Provide end-to-end production support and incident management.
Embrace agile methodologies and continuous improvement.
Mentor and coach teammates and own code lifecycle.

Skills

TypeScript

Scala

Java

Kotlin

Python

PostgreSQL

DynamoDB

Kafka

Kubernetes

AWS

Tools

Play framework

Terraform

AWS

Docker

Job description

Senior Backend Software Engineer

the company is looking for an experienced Senior Backend Software Engineer to join us permanently.

Within this role, you’ll be working in a cross-functional Payments team in partnership with mobile, web and machine learning/data science teams to drive the team to success.

Responsibilities

Work closely with Engineering Managers, Product Managers, Product Designers, and various Engineers to understand problems and to design solutions.
Produce high-quality code that is well-structured and simple to understand that will be used by 1M+ active daily users.
Take ownership of product development, from feature discovery, to the breakdown of work, and its implementation.
End-to-end application support, including production incident management.
Embrace agile methodologies and user-centred thinking.
Engage in a culture of continuous improvement by attending events such as blameless post-mortems, architecture reviews, and engineering guild sessions.
Collaborate on a daily basis with fellow engineers in the cross functional environment to solve problems and write code.
Mentor and coach your colleagues.
Own your code, workflows and data through their entire lifecycle.

Desired Experience

Writing high quality code in TypeScript, Scala, Java, Kotlin or another JVM language.
Relational databases, ideally Postgres.
NoSQL datastores (e.g. DynamoDB).
Stream processing: (e.g. Kafka).
Experience building scalable web applications serving 10,000s of requests per second.
DevOps culture.
Ability to proactively find and solve complex problems independently, but also know when to seek guidance or help from your peers.
Product-oriented mindset with a focus on solving real business problems rather than over-engineering solutions.
Experience with iterative development using A/B testing.

Must Haves

Solid software engineering experience. Strong evidence that you can learn our Scala stack effectively. We use TypeScript and Scala.
Willing to work across multiple paradigms and languages, such as backend or data work, using Scala and Python.
Strong technical and non-technical communication skills.
Proficient in testing solutions at different levels, unit and integration.
Experience with relational or non-relational databases, preferably PostgreSQL and DynamoDB.
Experience with Kubernetes or similar.

Bonus Points

Experience with payment SDKs (Stripe, PayPal, or similar).
Experience in marketplace or fintech environments.
Experience with Play framework.
Experience with eCommerce.
Experience with event-driven architectures, preferably using Kafka.
Experience in using production AWS infrastructure, ideally with Terraform.
Experience with Python.
Experience with data engineering.

Equal Opportunity Employer

We’re proud to be an equal opportunity employer, providing employment opportunities without regard to age, ethnicity, religion or belief, gender identity, sex, sexual orientation, disability, pregnancy or maternity, marriage and civil partnership, or any other protected status. We’re continuously evolving our recruitment processes to ensure fairness and are open to accommodating any needs you might have.

If, due to a disability, you need adjustments to complete the application, please let us know by sending an email with your name, the role to which you would like to apply, and the type of support you need to complete the application to hr@unitedstatesdigital.space.

Health + Mental Wellbeing

PMI and cash plan healthcare access with Bupa
Subsidised counselling and coaching with Self Space
Cycle to Work scheme with options from Evans or the Green Commute Initiative
Employee Assistance Programme (EAP) for 24/7 confidential support
Mental Health First Aiders across the business for support and signposting

Work/Life Balance

25 days of annual leave with the option to carry over up to 5 days
Impact hours: Up to 2 days of additional paid leave per year for volunteering
Fully paid 4-week sabbatical after completion of 5 years of consecutive service with the company, to give you a chance to recharge or do something you love.
Flexible Working: MyMode hybrid-working model with Flex, Office-Based, and Remote options **role-dependent*
All offices are dog-friendly

Family Life

For birth parent: 20 weeks of paid parental leave for full-time regular employees
For non-birth parents: 12 weeks of paid parental leave for full-time regular employees
IVF leave, shared parental leave, and paid emergency parent/carer leave

Learn + Grow

Twice-yearly development chats and yearly performance reviews
Learning budget
Upskilling our employees with company-wide training workshops, materials and resources

Your Future