SENIOR SOFTWARE DEVELOPER, LONDON

Senior Software Developer
We are seeking an experienced Senior Software Developer to join our team in designing and developing a robust Core Platform, driving the advancement of our Backend-as-a-Service (BaaS) offering, and supporting the migration of legacy systems to the new architecture.

As a key member of our team, you will play a pivotal role in shaping the platform and services that support a suite of mobile and web applications. Your responsibilities will include designing and developing robust, scalable, and secure backend systems, providing technical expertise across multiple squads as well as defining and enforcing the standards that ensure their integrity and compliance.

This role requires close collaboration with multiple stakeholders, making strong communication and proactive engagement essential. You should be able to articulate and support your recommendations with sound reasoning, grounded in engineering best practices and factual analysis, while maintaining an open, fair, and, where necessary, assertive approach.

What Youll Do Roles and Responsibilities
Become the tech expert about the project, having the wide picture of how everything intercats in details.
Work independently across multiple squads in the same project, providing technical expertise and guidance.
Design, develop, and maintain backend services and APIs using Java and cloud-native technologies.

Produce documents and diagrams, such as C4 or UML, to communicate your designs effectively with the wider development team.

Design actionable development tasks that drive iterative progress for product delivery and the team.

Implement and advocate for domain-driven design principles to create a well-structured and maintainable codebase.

Build and manage microservices architecture, ensuring services are scalable, reliable, and secure.

Collaborate with cross-functional teams, including frontend (mobile web) developers, product managers, QA, solution architects, infrastructure, and DevOps, to deliver high-quality software solutions.

Write clean, maintainable, and efficient code following best practices and coding standards.

Perform code reviews, provide constructive feedback, and mentor other developers.

Continuously improve existing systems by identifying and implementing performance optimizations and refactoring opportunities.

Foster ensuring robust testing and validation of software through unit testing, integration testing, contract testing, and automated testing frameworks.

Participate in agile development processes, including sprint planning, stand-ups, and retrospectives.

Stay up to date with emerging technologies and industry trends and apply this knowledge to enhance our development practices.

What Were Looking For Required Skills and Experience
Minimum of 6 years proven experience as a backend developer with a strong focus on Java development with Spring (e.g., Boot, Cloud, Framework).

Solid understanding of cloud-native development and experience with cloud platforms such as Google Cloud (preferable), AWS, or Azure.

Expertise in domain-driven design (DDD) and its application in software development.

Strong knowledge of microservices architecture and experience in building and deploying microservices.

Proficiency in RESTful API design and development.

Experience with event-driven architecture and messaging systems (e.g., Kafka, RabbitMQ, Google Pub/Sub ).

Experience with containerization technologies such as Docker and orchestration tools like Kubernetes.

Familiarity with database technologies, both SQL and NoSQL (e.g., PostgreSQL, MySQL, MongoDB).

Understanding of solid engineering principles, including SOLID, DRY, and KISS.

Strong knowledge of Software Cloud design patterns, especially Strangler Fig.

Experience with version control systems (e.g., Git) and CI/CD pipelines (e.g., GitHub Actions, Gradle, Maven, ArgoCD).

Excellent problem-solving skills and the ability to work independently and as part of a team.

Effective communication skills and the ability to articulate technical concepts to non-technical stakeholders.

Pro-active, self starter and able to work autonomously.
Preferred Skills and Experience
Experience in frontend development, especially using React framework.
Experience developing a mobile client and understanding of their challenges.

Knowledge of security best practices in software development and cloud environments.

Familiarity with monitoring and logging tools (e.g., New Relic, Prometheus, ELK stack).

Bachelors degree in Computer Science, Software Engineering, or a related field (or equivalent experience).

Certification in cloud platforms (e.g., AWS Certified Solutions Architect, Google Cloud Professional).


java, spring

java, spring