Senior Backend Developer (Java)

ID-Pal; Ireland; Remote; EUR 90,000 - 120,000; Full time

Job summary

ID-Pal is seeking an experienced Senior Backend Developer to design, develop and scale secure, high-availability systems powering identity verification and onboarding in regulated markets. You will work in a security-focused, compliance-driven environment where performance and data integrity are paramount.

The role centers on Java Spring with some TypeScript, with integration to frontends via Angular/React.

Qualifications

• 5+ years of backend development experience with proven track record.
• Strong Java (Spring) experience; TypeScript exposure is a plus.
• Experience with relational databases such as MySQL.
• Familiarity with AI-assisted development tools to improve productivity.
• RESTful API design and server-side architecture understanding.
• Experience with CI/CD pipelines and cloud-native services (AWS/Azure).

Responsibilities

• Build scalable, secure backend systems using Java (Spring) and TypeScript.
• Contribute to automation pipelines and AI-assisted engineering practices.
• Design, implement, and maintain backend services and APIs.
• Integrate new solutions and APIs into existing frontends.
• Champion secure development standards across backend systems.
• Optimise database schemas and queries for performance and reliability.

Skills

Java (Spring)

RESTful APIs

TypeScript

CI/CD pipelines

Cloud services (AWS/Azure)

Relational databases

Code quality & debugging

Education

Bachelor's degree in Computer Science / Maths / Engineering / related field

Tools

MongoDB

Redis

DynamoDB

Git

Node.js

Angular

Python

Job description

We are seeking an experienced Senior Backend Developer to design, develop and scale secure, high-availability systems that power real-time identity verification and business onboarding across regulated markets. You will operate in a security-critical, compliance-driven environment where performance, reliability, and data integrity are paramount.

Our backend ecosystem comprises primarily of Spring Java applications with some Typescript lambdas. These integrate with our front-end stacks using Angular and React. As part of the development team, you’ll be helping to evolve and modernize this architecture; ensuring scalability, maintainability, and long-term technical direction.

Core responsibilities

• Build scalable, secure backend systems using Java (Spring) and Typescript
• Contribute to the evolution of automation pipelines and AI-assisted engineering practices
• Design, implement, and maintain backend services and APIs
• I ntegrate new solutions and APIs into existing frontends
• Champion secure development standards across backend systems
• Optimise database schemas and queries for performance and reliability
• Ensure robust data handling and error management
• Troubleshoot, debug, and improve existing server-side code
• Assist in all areas of the Software Development Lifecycle including planning in Agile (Sprint) ceremonies
• Play a key role in architectural decisions and the evolution of backend engineering standards
• Participate in code reviews and mentor junior developers
• Maintain documentation for backend components and services
• Work with cloud infrastructure (AWS) to deploy and scale backend services

Key requirements

• Strong professional experience in Java (Spring), and exposure to otherlanguages,especiallyTypescript,is a plus.
• Eagernessto adapt and learn new tools,frameworksand languages
• Strong experience working with relational databases such as MySQL
• ExperienceleveragingAI-assisted development tools to improve productivity and code quality
• RESTful API design and implementation
• Strong understanding of server-side application architecture
• Codebase version management (Git or similar)
• Experience working with CI/CD pipelines
• Experience with performance tuning and debugging
• Proven ability to work with Cloud native services such as AWS, Azure or similar

Qualifications

• 5+ years of backend development experience, with proven track record
• Bachelor’s degree in Computer Science , Maths , Engineering, or related field (preferred)

Nice to haves

Additional Languages:

• TypeScript
• Angular
• Node.js
• Python

Modern Datastores & Caching:

• MongoDB
• Redis
• DynamoDB

Advanced Architectures & Tooling:

• Serverless patterns
• Event-based architecture /asynchronous systems

Specific AI-Assisted Development Tools:

• Cursor
• Codex

About you

• Excellent problem-solving and analytical skills
• Strong communication and collaboration across
• Ability to mentor and guide junior engineers
• Ownership of technical outcomes and quality
• Self-motivated with a continuous learning mindset