Job Description
Senior Software Engineer (Java / AWS / Identity, Federation & SSO)
Job Overview
We are seeking an L4 Software Engineer to design, build, and operate scalable enterprise applications using Java, relations databases, and cloud services. This role is a senior individual contributor position with end-to-end ownership of critical services, including architecture, development, security, and production readiness.
The ideal candidate brings strong backend and cloud experience, a solid understanding of full-stack integration, and deep expertise in identity, federation, and Single Sign-On (SSO) using OAuth2/OpenID Connect and Azure AD B2C. You will collaborate closely with platform, security, and product teams to deliver secure, high-quality systems at enterprise scale.
Key Responsibilities
Architecture & Software Development
Own the design, development, and delivery of enterprise applications using Java (Spring Boot, Spring Security).
Lead technical design efforts, contribute to architectural decisions, and ensure solutions align with enterprise standards.
Build and maintain secure, scalable RESTful APIs for internal and external consumers.
Design, implement, and optimize relational database data models, queries, and transactions.
Develop cloud-native solutions using services such as EC2, ECS/EKS, Lambda, RDS, S3, API Gateway.
Partner with DevOps and platform teams to support CI/CD pipelines, Infrastructure-as-Code, and automated deployments.
Design systems with a focus on performance, scalability, availability, observability, and cost efficiency.
Identity, Security, Federation & SSO
Design and implement OAuth2 and OpenID Connect authentication and authorization flows.
Implement Single Sign-On (SSO) and federated identity solutions.
Integrate enterprise and external identity providers, managing token flows, claims, scopes, and role-based access.
Apply secure coding practices, data protection standards, and cloud security best practices across all layers.
Quality, Reliability & Operations
Drive testing strategies including unit, integration, and security testing.
Ensure production readiness through proper monitoring, logging, and alerting.
Participate in production support, incident triage, and root-cause analysis to maintain system reliability.
Collaboration & Technical Leadership
Mentor mid-level and junior engineers through code reviews and technical guidance.
Communicate technical designs, tradeoffs, and risks clearly to engineering and non-technical stakeholders.
Contribute to agile ceremonies, continuous improvement initiatives, and technical standards.
Required Qualifications
5+ years of professional software engineering experience.
Strong hands-on experience with Java, Python, Spring Boot, and Spring Security.
Solid experience with PostgreSQL or similar relational databases.
Proven experience designing and securing RESTful APIs.
Hands-on experience building cloud-native applications.
Strong understanding of OAuth2, OpenID Connect, and secure API design.
Preferable Qualifications
Direct experience implementing Federation and SSO using an identity provider such as Azure AD B2C.
Experience integrating multiple identity providers.
Familiarity with CI/CD pipelines, automated testing, and modern DevOps practices.