The Role
Owns end-to-end feature delivery across Spring Boot APIs, Java services, Angular frontends, data access, authentication, integrations, reporting, testing, and modernization initiatives. The role modernizes legacy Java and PHP systems, builds secure REST services and Angular applications, supports containerization and CI/CD, and contributes to cloud-ready architecture. Responsibilities include payment and provider integrations, scheduled and asynchronous jobs, multi-repository development, operational reporting, and responsible use of AI coding tools.
Summary Generated by Built In
We are looking for a Senior Full-Stack Engineer who can own feature delivery end-to-end, from Spring Boot APIs
and data access layers to Angular web frontends using RxJS, reactive forms, and Angular Material. This is a
hands-on role for an engineer who can work across multiple repositories, modernize legacy Java and PHP
components, and contribute to a future-state architecture based on Java 21, Spring Boot 3, Angular 20,
containerization, CI/CD, and cloud-ready deployment patterns.
Java / Spring Boot
APIs, security, JPA, jobs, integration services
Angular / RxJS
Feature modules, reactive forms, state flows, UI
delivery
Modernisation / Cloud
Legacy migration, containers, CI/CD, cloud-
ready architecture
What You Will Do
• Design, build, and maintain REST APIs using Spring Boot 3 and Java 21
• Modernize legacy Java and PHP components into maintainable Spring Boot services and Angular frontends
• Contribute to cloud modernization, containerization, CI/CD readiness, and cloud-ready deployment patterns
• Implement Spring Security filter chains, JWT validation, and multi-role authorization
• Build Angular feature modules using Angular Material, RxJS, reactive forms, lazy routing, and modern component
patterns
• Integrate with external payment, telco, and provider APIs using REST, SOAP, XML, and secure API patterns
• Write scheduled and asynchronous background jobs for transaction reconciliation, reporting, and system maintenance
• Maintain and extend centralized authentication and authorisation services
• Produce operational Excel and PDF reports using Apache POI and related reporting libraries
• Write unit and integration tests using Spring Boot Test, MockMvc, Karma, Jasmine, and appropriate frontend testing
practices
• Containerize services and assist in establishing CI/CD pipelines using Docker and GitHub Actions or equivalent tooling
• Use AI coding tools such as GitHub Copilot, Cursor, or equivalent responsibly to improve delivery productivity and code
review quality
What You Bring
• 4+ years of Java engineering experience with Spring Boot 2.x or 3.x in production environments
• Strong understanding of Spring Security, Spring Data JPA, HikariCP, MySQL, and transactional service design
• 3+ years of Angular experience, preferably Angular 16 or above, with feature modules, lazy routing, RxJS, reactive
forms, and Angular Material
• Experience modernizing legacy Java, PHP, or monolithic systems into modern service-based architecture
• Experience with JWT-based stateless authentication, role-based access control, and secure API design
Senior Full-Stack Engineer | Java / Angular / Cloud Modernisation
• Understanding of REST API design, OpenAPI / Swagger documentation, versioning, and API contract discipline
• Comfortable working across multiple concurrent repositories, services, and delivery streams
• Practical exposure to Docker, containerization, CI/CD pipelines, and cloud-oriented deployment practices
• Active user of AI coding copilots with sound engineering judgement and review discipline
Required and Preferred Skills
The role requires a senior full-stack engineering role with strong backend delivery, Angular frontend capability, and
practical modernization mindset.
Required Preferred
Java 21 and Spring Boot 3.x Cloud modernization or cloud migration experience
Spring Security and JWT custom filter chains GitHub Actions CI/CD or comparable pipeline tooling
Spring Data JPA, HikariCP, and MySQL schema design SOAP / XML integration experience
Angular 16+ or Angular 20 with RxJS, feature modules, lazy routing,
and reactive forms
Spring WebFlux or reactive streams
Angular Material and responsive UI implementation Flyway or Liquibase migrations
REST API design with SpringDoc, OpenAPI, or Swagger NestJS with MongoDB / Mongoose
Scheduled and asynchronous jobs using Spring @Scheduled and
@Async
Transloco or comparable i18n framework
Legacy Java or PHP migration to modern Spring Boot / Angular
architecture
External payment, telco, or fintech API integration
Docker and containerisation fundamentals Socket.IO or real-time integration patterns
AI copilot fluency using GitHub Copilot, Cursor, or equivalent Multi-service troubleshooting across distributed systems
Skills Required
- 4+ years of Java engineering experience with Spring Boot 2.x or 3.x in production environments
- Strong understanding of Spring Security, Spring Data JPA, HikariCP, MySQL, and transactional service design
- 3+ years of Angular experience, preferably Angular 16 or above
- Experience with Angular feature modules, lazy routing, RxJS, reactive forms, and Angular Material
- Experience modernizing legacy Java, PHP, or monolithic systems into service-based architecture
- Experience with JWT-based stateless authentication, role-based access control, and secure API design
- Understanding of REST API design, OpenAPI or Swagger documentation, versioning, and API contract discipline
- Practical exposure to Docker, containerization, CI/CD pipelines, and cloud-oriented deployment practices
- Experience with external payment, telco, or fintech API integration
- Experience writing scheduled and asynchronous jobs using Spring scheduling and asynchronous execution
- Active use of AI coding copilots with sound engineering judgment and review discipline
- Cloud modernization or cloud migration experience
- GitHub Actions CI/CD or comparable pipeline tooling
- SOAP and XML integration experience
- Spring WebFlux or reactive streams experience
- Flyway or Liquibase migration experience
- NestJS with MongoDB or Mongoose experience
- Transloco or comparable internationalization framework experience
- Socket.IO or real-time integration pattern experience
- Multi-service troubleshooting across distributed systems
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The Company
What We Do
10decoders is a digital solutions and AI consulting company serving mid-market healthcare and financial-services organizations and growing SMBs. It helps clients make AI practical, cost-effective, secure, and responsible, while specializing in healthcare software, financial-services applications, and AI-enabled workflows. Its work addresses EHR/EMR integration, prior authorization, denial management, revenue-cycle management, KYC/KYB, AML screening, lending, and fraud detection.
