At a Glance
- Tasks: Design and deliver modern Java/React applications in complex systems.
- Company: Join Appvia, a dynamic startup transforming cloud software delivery.
- Benefits: Enjoy flexible working, 25 days holiday, and a £1,000 learning budget.
- Other info: Work in a fun, inclusive environment with great career growth opportunities.
- Why this job: Make a real impact on innovative projects with cutting-edge technology.
- Qualifications: Strong experience in Java, React, and cloud-native environments required.
The predicted salary is between 70000 - 80000 £ per year.
Location: London, UK (Hybrid - ~1-2 days per month in office / onsite)
Contract: Permanent, Full-time
Package: £70,000-80,000 + 10% Bonus + 10% Shares + Benefits
About Appvia
Appvia is a specialist cloud, platform, and solutions engineering consultancy, helping organisations modernise software systems, improve developer productivity, and adopt cloud-native practices that enable long-term, sustainable delivery. Our software engineering capability focuses on modern application development, domain-driven design, and improving delivery outcomes through better architecture, testing, and developer experience. We work across complex, high-impact environments in both the public and private sector, delivering solutions where quality, scalability, and reliability are critical.
About the Role
We are hiring multiple Senior Java / React Full Stack Developers to join a growing Software Engineering practice, supporting a large-scale modernisation and AI-enabled transformation programme. This is a hands‑on, client‑facing role where you will help shape and deliver modern software solutions within complex environments working on what is effectively a greenfield build within a brownfield ecosystem, introducing new architecture, tooling, and engineering standards to enable long-term scalability. You will report into a Principal Software Engineer, contributing to both delivery and the continued growth of Appvia’s software engineering capability.
Interview Process
- Discovery conversation with Talent Acquisition
- Technical Interview with Engineering Team
- Final Interview with Leadership
Important
- You must be eligible for UK Security Clearance (SC):
- British Passport or ILR
- Resided in the UK for the last 5 years
- No criminal record or financial irregularities
About You
You are a strong full‑stack engineer with a consulting mindset, comfortable working in complex environments and influencing how software is designed and delivered. You will bring:
- Strong experience with React and modern front‑end development
- Strong backend experience with Java (Spring Boot)
- A solid grounding in Domain Driven Design (DDD)
- Experience working with microservices architectures
- Full‑stack capability across UI, API, and data layers
- Experience working in cloud‑native environments (ideally AWS)
- Interest or experience in AI-assisted development to improve productivity and quality
- Confidence working directly with stakeholders and guiding technical decisions
Responsibilities
- Design and deliver modern Java / React applications within complex systems
- Contribute to modernisation of legacy systems into scalable, service‑based architectures
- Apply DDD principles to improve system structure and maintainability
- Improve development workflows, testing approaches, and engineering standards
- Collaborate with platform and test engineers to deliver integrated, end‑to‑end solutions
- Introduce and embed modern tooling and AI‑assisted development practices
- Act as a senior consultant within delivery teams, influencing engineering best practices
- Support teams in building scalable, maintainable, and high‑quality software
Technical Skills
Core technologies:- Java / Spring Boot
- React / Node.js
- HTML / CSS / JavaScript
- MongoDB
- Docker / Kubernetes
- Maven
- GitLab
- Playwright or modern testing frameworks
- GovUK Design System / UI Framework
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
- 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
- Free therapy through AXA
- Access to the Headspace App
- Trained Mental Health First Aiders
Other fun perks
- Learning budget of £1,000 a year
- Your own MacBook Pro while you work at Appvia
- Dog friendly office
- Wear what makes you comfortable
- Free snacks in the office
- Pool table & ping pong table
- Regular team socials, board game nights, industry meetups and more!
We are proud to be an equal opportunities employer and actively encourage, respect, and recognise diversity of thought and background throughout the business. All applicants will be considered for employment without attention to age, ethnicity, religion, sex, sexual orientation, gender identity, family or parental status, national origin, or veteran, neurodiversity, and disability status.
Note: While all roles are active and approved at the time of posting, the dynamic nature of our start‑up means some applications may be processed to pipeline talent for future opportunities rather than current openings. We will strive to keep you informed of any changes to the status of your application.
Senior Full Stack Developer - UK Security Clearance Eligibility required employer: Appvia
Appvia is an exceptional employer that prioritises work-life balance and employee well-being, offering flexible working hours and a hybrid model that only requires one day in the office per month. With a strong focus on personal growth, employees benefit from a generous learning budget, comprehensive healthcare, and a vibrant work culture that includes regular team socials and a dog-friendly environment, making it an ideal place for those looking to make a meaningful impact in the tech industry.
StudySmarter Expert Advice🤫
We think this is how you could land Senior Full Stack Developer - UK Security Clearance Eligibility required
✨Tip Number 1
Network like a pro! Reach out to your connections on LinkedIn or at meetups. Let them know you're on the hunt for a Senior Full Stack Developer role, and who knows? They might just have the inside scoop on opportunities at Appvia!
✨Tip Number 2
Prepare for those interviews! Brush up on your Java and React skills, and be ready to discuss your experience with microservices and cloud-native environments. We want to see how you can contribute to our modernisation projects.
✨Tip Number 3
Show off your consulting mindset! During interviews, highlight your ability to influence software design and delivery. We love candidates who can think critically and guide technical decisions in complex environments.
✨Tip Number 4
Apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, it shows us you’re genuinely interested in joining the Appvia team and making a real impact.
We think you need these skills to ace Senior Full Stack Developer - UK Security Clearance Eligibility required
Some tips for your application 🫡
Tailor Your CV:Make sure your CV is tailored to the Senior Full Stack Developer role. Highlight your experience with Java and React, and don’t forget to mention any cloud-native projects you've worked on. We want to see how your skills align with what we do at Appvia!
Craft a Compelling Cover Letter:Your cover letter is your chance to shine! Use it to explain why you’re excited about joining Appvia and how your background makes you a great fit for our team. Keep it concise but impactful – we love a good story!
Showcase Your Projects:If you’ve got a portfolio or GitHub with projects that demonstrate your full-stack capabilities, share it! We’re keen to see your hands-on work, especially anything that involves modern architecture or AI-assisted development.
Apply Through Our Website:We encourage you to apply directly through our website. It’s the best way to ensure your application gets into the right hands. Plus, it shows us you’re serious about joining our awesome team at Appvia!
How to prepare for a job interview at Appvia
✨Know Your Tech Stack
Make sure you’re well-versed in Java, React, and the other core technologies mentioned in the job description. Brush up on your knowledge of Spring Boot, microservices, and cloud-native environments like AWS. Being able to discuss these technologies confidently will show that you're a strong fit for the role.
✨Understand Domain Driven Design
Since the role emphasises Domain Driven Design (DDD), take some time to understand its principles and how they apply to software architecture. Be prepared to discuss how you've used DDD in past projects and how it can improve system structure and maintainability.
✨Prepare for Client-Facing Scenarios
As this is a client-facing role, think about your previous experiences where you’ve had to influence technical decisions or guide stakeholders. Prepare examples that showcase your consulting mindset and ability to communicate complex ideas clearly.
✨Show Enthusiasm for AI-Assisted Development
The job mentions an interest in AI-assisted development, so be ready to discuss any relevant experience or thoughts you have on how AI can enhance productivity and quality in software engineering. This will demonstrate your forward-thinking approach and alignment with Appvia's mission.
