Backend Developer (BPMN:Flowable/Camunda)

• Client at the centre - we deliver value to our clients
• Curiosity - we want to know more!
• Accountability - we deliver on our promises
• Collaboration - we can achieve more with others

As a Backend Developer you will be part of a Client-Aligned Team (CAT) responsible for building deploying and running integrations for our Banking-as-a-Service platform. Supported by a Solution Architect you will deliver production-ready code resilient pipelines and clear documentationhelping our partners go live quickly and stay live safely.

Your work will focus on two main areas:

1. Customizing and composingour Banking-as-a-Service offering to meet the needs of specific clients.
   
   

2. Automation of the onboardingof new clients to the platform.
   
   

3. Development of a customer portal.

Yourresponsibilities:

• BPM Customization & Development: Design customize and develop BPMN 2.0 processes using Flowable to orchestrate banking workflows and client-specific logic.

• Unified API Layer:Implement and maintain a unified API layer over existing services ensuring consistency scalability and ease of integration for partners.

• Design & Implementation: Develop scalable cloud-native applications in Java Spring Boot and microservices leveraging the existing toolbox of our sophisticated BaaS platform.

• Infrastructure & CI/CD: Work with GCP Kubernetes ArgoCD and GitLab pipelines to establish and continuously improve CI/CD practices.

• Operations & Support:Monitor and operate partner environments on GCP (Kafka SQL/NoSQL Elastic Prometheus). Handle incidents deliver change requests and participate in the on-call rotation post-launch.

• Quality & Observability: Write unit and contract tests generate Swagger documentation instrument OpenTelemetry traces and build Grafana dashboards.

• Code Review & Mentoring: Review pull requests enforce clean coding practices and mentor junior developers.

• Documentation: Maintain BaaS runbooks update internal knowledge bases and contribute to self-service chatbot support.

• Collaboration: Work closely with Solution Architects Product Managers QA/SRE and partner developers to deliver secure compliant and resilient solutions.

• Continuous Improvement:Identify friction points propose enhancements to SDKs/configs and support proof-of-concept demos for prospects.

Core Engineering:

• 5 years of Java backend development experience (Spring Hibernate REST APIs microservices).

• Strong knowledge of SQL and relational database design.

• Practical experience with messaging systems (Kafka Pub/Sub).

• Experience with Maven and Git workflows.
  
  

Cloud & DevOps:

• Understanding of cloud platforms (GCP preferred AWS/Azure also welcome).

• Familiarity with Docker Kubernetes Helm Terraform and CI/CD pipelines.

• Monitoring and observability tools (ELK Prometheus Grafana).
  
  

Architecture & Modelling:

• Exposure to BPMN 2.0 workflows (Flowable Camunda jBPM etc.) is a strong plus.

• Understanding of distributed systems multithreading and resilient design patterns.

Mindset & Behaviours:

• Builder mindset with ownership of partner success.

• Independent and self-organised able to manage priorities effectively.

• Clear communicator able to bridge business and technical audiences.

• Security-first approach (PCI/PSD2 awareness).

• Collaborative curious and eager to learn.

• Eager to share knowledge and support team growth.

• Comfortable navigating a sophisticated and evolving environment.

Nice-to-have:

• Contributions to open-source fintech projects.

• Knowledge of ISO 20022 SEPA Instant virtual IBANs or card acquiring flows.

• Experience with advanced observability stacks (Grafana/Loki/Datadog APM).

• Familiarity with smart-contract platforms (Solidity Rust).

Success in this role looks like:

• Fast Delivery:80% of user stories reach production within 10 days.

• Quality First:95% of partner conformance tests pass on first run.

• Reliability: 1 high-severity incident per partner in the first 30 days post go-live.

• Reusability:Your modules/scripts are adopted by other CATs.

• Documentation: 100% of new products shipped with live runbooks and Swagger APIs.

Our process