Principal Engineer

Moneyhub

. Ship a committed piece of work to production within the first three months .

Posted 10/27/2026full-timeRemote • Slovenia, United KingdomLeadWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates hands-on engineering expertise with a focus on building and running software in production, utilizing technologies such as TypeScript, Node, Python, and React. Capable of influencing technical direction and collaborating effectively with cross-functional teams while maintaining a commitment to security and client trust in regulated environments.

Highest-signal resume keywords

Hands-On Engineering ExperienceTechnical Direction InfluenceProficiency in TypeScript, Node, Python, React, RustUnderstanding of Model Evaluation MetricsExperience with System Bottlenecks and Profiling

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

TypeScriptNodePythonReactRustData ScienceSystem Bottlenecks AnalysisModel Evaluation MetricsFlame ChartsAgentic Tools

Soft Skills

Clear CommunicationSound JudgementAbility to Identify Worthwhile Work

Tools & Technologies

KafkaPostgresKubernetesAWS

Industry Keywords

Open BankingIdentity SystemsRegulated Financial Software

Tech Stack

Tools & technologies

AWSKafkaKubernetesNode.jsPostgresPythonReactRustTypeScript

About the role

Key responsibilities & impact

Ship a committed piece of work to production within the first three months
Identify platform improvements following shipped work
Take a project from prototype to production, such as redesigning event processing or data pipelines for greater load and reliability
Set standards for agentic engineering and develop workflows and patterns adopted by other teams
Shape bets, deliver committed work and get projects over the line using Shape Up
Influence technical direction and what teams build without line management authority
Collaborate with an engineering team of approximately 40 software, platform and data engineers and data scientists
Balance committed work, improvements and future-cycle exploration according to business needs
Remain an individual contributor with no line management and continue writing code
Work with a stack including TypeScript, Node, Python, Kafka, Postgres, Kubernetes on AWS, React and Rust

Requirements

What you’ll need

Experience at several startups and on systems at real scale, shipping software that people actually used
A track record of building and running software in production across different companies and codebases, including the unglamorous years after launch
Experience setting technical direction without authority over the people doing the work
Experience finding and fixing system bottlenecks under real load using profilers and flame charts
Comfort across Python, Node, React, Rust and data science
Understanding of model evaluation metrics including precision, recall and F1 score
Hands-on engineering experience and intention to remain hands-on
Already using agentic tools day to day
Ability to identify worthwhile work and make the case for it
Sound judgement on security, privacy and client trust in regulated financial software
Clear communication with engineers, senior stakeholders and clients
Must live in, have the right to work in, or be willing to relocate to Slovenia; employment contracts are available only in the UK or Slovenia
Right to work in Slovenia required
Subject to pre-employment screening, including reference, credit and criminal record checks
Nice to have: experience with open banking, connections or identity systems

Benefits

Comp & perks

5% employer pension contribution from your first day, with a 3% employee contribution
25 days’ holiday plus bank holidays, rising to 30 days after two years
Option to take UK bank holidays at other times, on days of significance to you
Holiday purchase scheme
Private medical insurance, including cover for pre-existing conditions, plus dental and optical benefit
Three months’ Moneyhubber Family Pay when you become a new parent
Permanent health insurance and life cover well above the industry standard
Employee assistance programme
Life event leave
Professional development support, with a dedicated allowance of time and money
£750 towards professional memberships
Remote working support, including access to co-working spaces and help setting up your home office
High-spec laptop
Cycle to work scheme
EV car scheme