Appello & Careline365
Full Stack Developer
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Full Stack Developer
🚀 Join us in shaping the future of telecare technology.
As a Developer, you'll help transform critical services into secure, scalable cloud-native applications, powering life-changing solutions for customers across the UK.
Working with Node.js, REST APIs, and SIP communications, you'll build resilient, real-time systems that make a genuine difference every day.
🕰️ Hours: 35 hours per week
📅 Shift pattern: Monday - Friday 09:00-17:00
💸 Salary: up to £60,000 per annum dependant on experience
📍 Location: Hybrid Bracknell
📆 Start Date: August/September 2026
⚠️ Please note that this role is subject to pre-employment screening, including Right to Work checks and two years of referencing. All screening must be completed prior to your start date, which may result in the start date being adjusted if required.
🌍 This role is a UK-based role and any hybrid/remote work must also be within the UK.
🌟 For this role, you need 5mpb upload and 15mpb download internet speed 🌟
😎 Appello Perks:
- 175 hours holiday pa plus bank holidays
- Medical Insurance - Individual Cover
- We offer you discounts on everything from groceries and shopping through to holidays, insurance, days out, restaurants and more
- 24/7 employee assistance programme with an easily accessible app!
- Family and friends’ discounts on our services & products
- Pension Scheme, up to 4% Company matched
- Free on-site parking
About You
You're a talented developer who enjoys building modern, scalable applications and solving complex technical challenges. You thrive in collaborative environments, take pride in writing high-quality code, and are passionate about creating secure, reliable services that make a real difference.
What you'll bring:
- 💻 Strong experience with Node.js and Express, with a proven track record of developing and maintaining back-end services and REST APIs.
- 🏗️ Experience building web applications using MVC architecture and modern development best practices.
- ☁️ Hands-on knowledge of cloud-based technologies, including databases, caching solutions, and CI/CD delivery pipelines.
- 🔐 A solid understanding of application security, including JWT authentication, secure API design, and data protection principles.
- 📡 Knowledge of SIP communications, including signalling, registration, and authentication processes.
- ⚡ Experience designing resilient and scalable solutions, with a focus on performance, fault tolerance, and high availability.
- 🗄️ Strong data management skills, including schema design, transactional updates, and working with MySQL, NoSQL, Redis, or similar technologies.
- 🧠 Excellent analytical and problem-solving skills, with the ability to diagnose issues and deliver effective solutions.
- 🤝 Strong communication skills, enabling you to work effectively with developers, architects, product owners, operations teams, and other stakeholders.
- 🎓 A degree in Computer Science, Software Engineering, or equivalent practical experience, alongside relevant Node.js development expertise.
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It would be great if you also have:
- 🚑 Experience working in telecare, healthcare, or other safety-critical environments.
- 📞 Knowledge of FreeSWITCH, Asterisk, SIP platforms, or CPaaS solutions such as Twilio or Vonage.
- 🔗 Experience with IoT technologies, MQTT, event-driven architectures, or device integrations.
- ☁️ Cloud certifications or experience with AWS, Azure, GCP, Kubernetes, ECS, or AKS.
- 🔒 Knowledge of advanced security concepts such as PKCE, JWE, SRTP, mutual TLS, or secure RTP proxying.
- 🌱 Experience mentoring and supporting other developers within high-performing engineering teams.
The Role
Are you passionate about building modern cloud applications that make a real difference? As a Developer, you'll play a key role in transforming Appello's telecare platform, helping to migrate critical services from legacy on-premise systems to secure, scalable, cloud-native solutions.
Working with Node.js, REST APIs, real-time communications, and cloud technologies, you'll help create resilient systems that support life-critical telecare services, ensuring reliability, security, and performance for the people who depend on them every day.
What you'll be doing:
- ☁️ Modernising legacy applications by designing and delivering cloud-native services that are scalable, resilient, and highly available.
- 💻 Building and enhancing REST APIs that support telecare services, device management, alarm handling, and real-time data processing.
- 🔄 Developing modern web applications and refactoring existing codebases using current development standards and best practices.
- 📡 Supporting real-time communication services, helping to deliver low-latency, secure signalling and call control in a safety-critical environment.
- 🗄️ Designing and managing data solutions, creating efficient data models and implementing caching, transactional processing, and state management.
- 🔒 Championing security and compliance, ensuring secure authentication, role-based access control, GDPR compliance, and robust data protection practices.
- ✅ Driving quality and reliability through automated testing, integration testing, performance validation, and continuous improvement.
- 📊 Improving observability and supportability with structured logging, monitoring, metrics, audit trails, and clear technical documentation.
- 🤝 Collaborating closely with architects, product owners, operations teams, and fellow developers to deliver innovative solutions and share knowledge.
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Ready to Apply ✅
If you enjoy solving complex technical challenges, working with modern technologies, and building systems that have a genuine impact on people's lives, we'd love to hear from you. 🌟 Simply upload your CV and answer a few questions about yourself.
Other Information
This is an exciting time at the Appello group - we are a company on the move and now is a perfect time to join our team. You’ll gain exceptional career opportunities and will be part of a company that is continuing to expand.
We are committed to equal opportunities and welcome applicants regardless of religious beliefs, political opinion, race, sex, marital status, age, or disability.
If you require assistance to participate in the recruitment process, for example due to disability, please contact the careers Team on 01425 626337.
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