Lead Developer

Design, develop, evaluate, and maintain responsive React applications, portals, and embeddable widget experiences that can be integrated into partner platforms.
Build secure, versioned, well-documented REST APIs and microservices using C# and .NET Core.
Implement business workflows and integrations across embedded finance providers, partner systems, enterprise APIs, webhooks, file exchanges, and AWS services.
Work with PostgreSQL and MongoDB to design schemas, queries, indexes, migrations, and reliable data-access patterns.
Contribute to AWS-native workloads running on EKS, Lambda, and batch/container services, with Step Functions or equivalent orchestration where appropriate.
Write production-grade unit, component, integration, contract, and end-to-end tests using the relevant stack, including Jest for React and NUnit for .NET.
Build reusable UI components and libraries, translate designs into accessible code, and optimize browser performance, responsiveness, and maintainability.
Participate in API and event-contract design, code reviews, pairing, technical documentation, architecture discussions, and secure coding reviews.
Contribute to infrastructure and delivery automation using CI/CD, Docker, Kubernetes, and infrastructure-as-code practices.
Instrument services and user journeys with meaningful logs, metrics, traces, and alerts; troubleshoot defects and production issues across application layers.
Collaborate with QA to improve automation, test data, environment readiness, and release confidence, and with SRE/operations teams to improve runbooks and recovery procedures.
5+ years building and supporting production software applications.
Strong C# and .NET Core skills, including REST APIs, dependency injection, asynchronous programming, testing, and secure coding.
Professional experience with ReactJS, modern JavaScript/TypeScript, component architecture, state management, HTML, and CSS.
Hands-on experience with PostgreSQL and MongoDB or comparable relational and document databases.
Experience with microservices, API-first development, third-party integration, and resilient distributed-system patterns.
Experience building applications on AWS and working with containers, Docker, and Kubernetes/EKS.
Ability to write automated unit and integration tests and diagnose issues across UI, API, data, and cloud layers.
Experience with Git-based workflows and CI/CD tools such as GitHub Actions, Jenkins, GitLab CI, or comparable platforms.
Ability to translate business and technical requirements into maintainable, well-documented implementations.
Preferred Qualifications
Experience with embeddable widgets, micro-frontends, white-label applications, or multi-tenant SaaS platforms.
Experience with AWS Lambda, Step Functions, ECS batch workloads, S3, KMS, certificate management, or secrets management.
Exposure to Python services or data pipelines and Python unittest.
Experience with Terraform or Pulumi and GitOps tools such as Argo CD.
Experience with Splunk, DataDog, Grafana, CloudWatch, distributed tracing, and production incident support.
Financial services, payments, embedded finance, lending, or banking-domain experience.

Employment type
Full-time

Work arrangement
Yes