Database Reliability Engineer (PostgreSQL)

Reposted 7 Days Ago
Be an Early Applicant
London, England
Hybrid
65K-85K
Mid level
Fintech • Mobile • Payments • Software • Financial Services
Wise is one of the fastest growing Fintechs in the world and we’re on a mission to make money without borders a new norm
The Role
As a Database Reliability Engineer, you will maintain and enhance PostgreSQL deployments, automate database infrastructure, and ensure system reliability at scale.
Summary Generated by Built In
Company Description

Wise is a global technology company, building the best way to move and manage the world’s money.
Min fees. Max ease. Full speed.

Whether people and businesses are sending money to another country, spending abroad, or making and receiving international payments, Wise is on a mission to make their lives easier and save them money.

As part of our team, you will be helping us create an entirely new network for the world's money.
For everyone, everywhere.

More about our mission and what we offer.

Job Description

About the role:

We are looking for a Database Reliability Engineer with a passion for PostgreSQL and a drive to maintain business-critical systems at scale. As part of the Database Reliability Engineering (DBRE) team, you will be a core owner of the Wise database estate, which underpins every transaction and customer experience.

Your mission will be to empower Wise's growth by engineering reliable, scalable, and performant database solutions. You'll collaborate closely with the Database Platform and Product Engineering teams, applying sound engineering principles to automate and enhance our database infrastructure (PostgreSQL, MariaDB, MongoDB, Redis/Valkey). A key part of your role will be establishing best practices and building the guardrails that keep our customers data safe.

Who we are looking for

We're looking for a passionate engineer with a strong platform engineering mindset. While we value a balance between deep database knowledge and robust engineering skills, don't be intimidated. If you are strong in one area and eager to learn the other, we encourage you to apply.

Professional Experience:

  • Proven experience managing large-scale, highly available PostgreSQL deployments in a 24/7 production environment. 

  • A proactive approach to system reliability, observability, and capacity planning

Database Skills:

  • Deep understanding of PostgreSQL internals, replication, and performance tuning.

  • Demonstrable expertise in database administration, security, and reliability best practices. 

  • Exposure to distributed database technologies (e.g. YugabyteDB, CockroachDB, TiDB) is a significant plus.

Engineering Skills:

  • An automation-first mindset; you'd rather script a solution than repeat a manual task.

  • Experience with Infrastructure as Code (IaC) using tools like Terraform or Ansible.

  • Proficiency in a major cloud platform (AWS or GCP), including their services and APIs.

  • Experience with scripting or software development in languages like Python or Go.

Nice to have:

  • Experience working with Redis/Valkey, MongoDB and/or MariaDB/MySQL.

  • Experience in building self-service tooling that helps engineers, analysts or data scientists do their job more efficiently.

  • Knowledge/interest in payment platforms, foreign exchange & highly complex systems

  • Be a customer of Wise.

Interested? Find out more:

  • How we work – a practical guide

  • DEI @ Wise

  • Wise Tech Stack (2025 update)

  • Our Engineering career map

  • Scaling our Infrastructure; how we make it work

  • Wise Engineering – https://medium.com/wise-engineering

What do we offer: 

  • Starting salary: £65,000- £85,000 per annum + RSUs

  • Wise Benefits

#LI-AB3 #LI-Hybrid

Additional Information

For everyone, everywhere. We're people building money without borders  — without judgement or prejudice, too. We believe teams are strongest when they are diverse, equitable and inclusive.

We're proud to have a truly international team, and we celebrate our differences.
Inclusive teams help us live our values and make sure every Wiser feels respected, empowered to contribute towards our mission and able to progress in their careers.

If you want to find out more about what it's like to work at Wise visit Wise.Jobs.

Keep up to date with life at Wise by following us on LinkedIn and Instagram.

Top Skills

Ansible
AWS
GCP
Go
Mariadb
MongoDB
Postgres
Python
Redis
Terraform

What the Team is Saying

Lindsay
Surendra
Smrithi
Pavan
Asya
Jennifer
Lauren
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The Company
HQ: Austin, TX
6,000 Employees
Year Founded: 2011

What We Do

We’re making a positive, irreversible change in the world of finance. Together.

People on every continent around the world are choosing Wise to help them live, travel and work internationally. We’re the fairest, easiest way to send money overseas.

Built by and for people who live global lives, we make sending money abroad up to 8 times cheaper than the bank. This is money without borders - instant, convenient, transparent and eventually free.

For our customers, using Wise is as simple as sending money from A to B, but behind our app and website is a complex engine of currencies and routes, that’s being designed, built and powered by our talented teams in cities around the world.

We’re just at the beginning of our story and we’re growing at an incredible pace. We won’t stop until anyone, anywhere can send, spend and receive money wherever they are, whatever they’re doing. There’s still heaps to do and we can’t do it alone.

Why Work With Us

We are a mission-driven company, looking to change banking for the better. Current banking systems don’t let us send, spend or receive money across borders easily. Or quickly. Or cheaply. So, we’re building a new one. If you're looking for an autonomous work environment, where you'll face cool challenges, learn and grow, you'll like working at Wise

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WISE Offices

Hybrid Workspace

Employees engage in a combination of remote and on-site work.

Here at Wise we have a hybrid working model – a mix of working from home and from the office. Wisers can also work remotely for 90 days a year. By ‘remote’ we don’t just mean from home, but from wherever in the world you choose to!

Typical time on-site: 2 days a week
HQAustin, TX
Singapore
Brussels, BE
Hungary
Kuala Lumpur, MY
London, GB
Mumbai, Maharashtra
New York, NY
São Paulo, BR
Tallinn, EE
Tokyo, JP
Learn more

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