Job Specifications
Location: London, UK (Hybrid :1 day per week in office / onsite)
Contract: Permanent, Full-time
Package: £80,000-100,000 + 10% bonus + 10% shares options + benefits
About Appvia
At Appvia, we help organisations modernise how they build and operate software. We are a specialist cloud, platform, and solutions engineering consultancy, delivering resilient, scalable systems that enable teams to move faster while maintaining quality, security, and reliability.
Our work spans cloud platforms, developer experience, and modern application delivery. We partner with customers across public and private sectors to reduce technical debt, improve engineering practices, and support long-term system evolution using modern software engineering approaches.
About The Role
As a Principal Software Engineer, you will play a senior technical leadership role across Appvia's software delivery engagements. You will help customers and lead a team to design, build, and evolve modern software systems, while guiding teams towards best practices in architecture, testing, and developer productivity.
This is a hands-on leadership role for an experienced engineer who enjoys operating across design, architecture, and delivery. You will work closely with engineers, delivery leads, and platform teams, shaping technical direction, supporting early-stage solution design, and mentoring teams delivering complex software systems.
You will also contribute to Appvia's broader engineering capability, influencing standards, patterns, and approaches that are applied consistently across customer engagements.
Interview Process - 4 Stage
Discovery conversation with Talent Acquisition
Technical assessment
Technical conversation
Competency-focused final interview
Requirements
About You
You are a senior software engineer with strong architectural judgement and a passion for well-designed systems. You are comfortable leading technically, influencing delivery decisions, and working closely with customers in a consulting environment.
You'll bring:
Strong experience with Domain Driven Design (DDD) and modern system decomposition
Proven delivery of microservice-based architectures
Deep hands-on experience with React and full-stack development
Experience improving engineering effectiveness through testing strategy, automation, and developer tooling
Exposure to AI-assisted development approaches to improve code quality and productivity
Confidence mentoring engineers and leading technical discussions
A consulting mindset, able to translate business problems into practical technical solutions
Experience in regulated or public sector environments is beneficial but not required.
Responsibilities
Lead the design and delivery of modern, scalable software systems
Shape architecture, service boundaries, and dependencies across complex systems
Drive improvements in development processes, testing strategy, and delivery cadence
Work hands-on across the stack, particularly on React-based applications
Support teams in reducing technical debt and improving long-term maintainability
Collaborate with platform and cloud engineers to deliver cohesive end-to-end solutions
Act as a senior technical advisor to customers, guiding decision-making and trade-offs
Contribute to shared engineering standards, patterns, and best practices within Appvia
Technical Skills
Core technologies (in order of importance):
Java / Spring
NoSQL / SQL databases
React / Javascript
HTML / CSS / XML
Playwright
Docker / Kubernetes
Maven
GitLab
AWS
Nice to have:
GovUK UI Framework
Azure / GCP
.NET
Benefits
Why join Appvia?
We are a self-funded, London based startup; providing businesses with a fast and secure way to deploy containerised applications into the cloud.
We are on a mission to enable organisations to make cloud-based software delivery simple and efficient, whilst having the insights into costs, security and cadence. As a company that holds customers at the heart of everything we do, we are looking for candidates that want to make a real change to how Dev and Ops is working in the industry.
With us our customers, like the UK's Home Office & Bank of England, are harnessing cloud-native technologies, limiting the challenges of infrastructure management and rapidly delivering digital products.
What's on offer?
Work-life balance
Flexible working with core hours of 10-4pm because we know life happens outside of work
Hybrid working - only one compulsory office day per month
25 days' holiday a year, plus bank holidays
An additional day off for your birthday
Enhanced maternity and paternity to full pay
Workplace Nursery Benefit to help working parents
For your well-being
Full Private Healthcare cover for you with partners and children covered 50%
Death in Service
Cycle to Work scheme
Electric Car Scheme
Pension plus a salary sacrifice option for even greater savings
Employee Assistance Programme
Free hygiene products available in the London office
Mental health support
Fre
About the Company
Appvia helps organisations build, secure, and innovate across cloud, data, and AI by blending practical engineering expertise with real-world experience. Drawing on our background in creating open source CNCF projects like Terranetes and our self-service developer platform, Wayfinder, we bring that industry know-how and expertise into your organisation to solve any challenges you face.
As an AWS Advanced Tier Partner and a Microsoft Solutions Partner, we specialise in delivering secure, scalable cloud-native platforms and s...
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