Senior Software Engineer

Malted builds specialised AI systems for financial institutions. Our products combine advanced language technology with deep domain understanding to help firms make faster, more accurate and more accountable decisions.

We focus entirely on financial services, working with leading banks, insurers and regulators to turn complex reasoning into clear, dependable intelligence.

Our flagship product, Malted Pulse , provides AI that reasons transparently and can be inspected, governed and tuned to organisational policy.

We're a small, highly technical team based in Edinburgh, combining deep machine learning experience with a rigorous approach to product design and engineering. We believe that making AI systems understandable isn't just an ethical necessity, it's a competitive advantage.

About the team

You'll join the Pulse product team, responsible for building and evolving the systems that power Malted Pulse. The team designs and operates the distributed infrastructure that enables our customers to deploy reasoning agents at scale, with reliability, traceability and performance at the core.

You'll collaborate closely with other senior engineers, product leads and our ML specialists to guide technical design, improve engineering standards, and shape how our systems scale as the company grows.

What you'll do

As a senior engineer, you'll take ownership of complex systems from design through to delivery. You'll help set the technical direction of our platform, mentor others and ensure our systems remain robust as we scale. This is a hands-on role that combines architecture, coding and strategic influence - ideal for someone who enjoys solving deep technical problems while contributing to product direction.

Responsibilities

Lead the design and implementation of scalable, secure backend systems for Malted Pulse

Drive technical discussions and architecture decisions that shape the platform's evolution

Build high-quality, maintainable code and ensure engineering best practices across the team

Develop and optimise cloud infrastructure for deploying machine learning models at scale

Debug, test and optimise performance across distributed services

Mentor junior engineers and contribute to a culture of technical excellence

Collaborate with cross-functional teams to deliver end-to-end product features

Who you are

You're a seasoned engineer who enjoys solving complex problems with clarity and precision. You thrive in an environment where autonomy and accountability go hand in hand.

Eligible to work in the UK

6+ years of professional software engineering experience

Demonstrated ability to design and deliver large-scale, high-performance systems

Strong experience in Python (or similar) and confidence across the stack

Deep familiarity with AWS or another major cloud platform

Experience designing distributed systems and APIs that serve production workloads

Proficiency with containerisation tools (Docker, Kubernetes) and CI/CD pipelines

Strong understanding of databases (SQL, NoSQL) and system design principles

Proven ability to influence architecture and drive engineering best practices

Experience mentoring others or leading small technical projects

Comfortable working in a fast-paced, collaborative startup environment

Preferred requirements

Experience in enterprise or regulated environments (finance, insurance, etc.)

Background in deep tech or products involving proprietary ML or data systems

Knowledge of security best practices for distributed systems

MSc or higher degree in Computer Science, Software Engineering or a related field

Familiarity with ML frameworks (e.g. scikit-learn, PyTorch) or AI system integration

Experience contributing to open-source projects or technical publications

Working at Malted

We're based in Edinburgh and work from the office three days a week (Monday, Wednesday and Friday). The rest of the week is flexible. We keep a high bar for technical quality but a low tolerance for ego. You'll join a team that values precision, humour and intellectual honesty.

Pension and stock options

Medical and life insurance

Hybrid working with flexible hours

Professional development and growth opportunities

Free snacks and drinks

Social events and company outings

A collaborative, inclusive workplace that promotes innovation and teamwork

The chance to work on one-of-a-kind products at the forefront of the AI industry

Relocation assistance for candidates moving to Edinburgh

Malted is an equal opportunities employer and we welcome applications from people of all backgrounds. We are not working with recruitment agencies on this role - we are keen to hear directly from candidates who are excited about what we're building at Malted.