Senior Lead Software Engineer - API Specialist

We are looking for a senior full‑stack software engineer who has a specialized mindset and experience in building and shaping an API ecosystem to support the externalization of payments and financial capabilities via API. The ecosystem at a high level encompasses:

• Execute creative software solutions, design, development, and technical troubleshooting, thinking beyond routine approaches to solve problems.
• Develop secure, high‑quality production code, review and debug code written by others.
• Identify opportunities to automate remediation of recurring issues to improve overall operational stability.
• Lead evaluation sessions with external vendors, startups, and internal teams to probe architectural designs and technical compliance with existing systems.
• Lead communities of practice across Software Engineering to promote adoption of new technologies.
• Quickly develop proof‑of‑concept solutions to prove feasibility of new approaches.
• Proactively communicate with management and business stakeholders.
• Lead pilot projects that test new technologies and methodologies, evaluating potential impact on the firm.

• Formal training or certification in software engineering concepts and 6+ years of applied experience.
• Extensive experience in API security – OAuth 2.0, JWT, JWS, JWE, OPA, and identity providers such as Forge Rock, Okta or similar OIDC/SAML providers.
• Experience with API Management platforms, e.g., Kong, Apigee, Mule Soft, AWS API Gateway, Azure API Management, WSO
  2.
• Strong hands‑on REST API best practices, design, and development experience.
• Strong communication skills for collaborating with architects and stakeholders.
• Solid architecture background to recommend and influence overarching technical/application architecture within the API ecosystem.
• Hands‑on experience delivering system design, application development, testing, and ensuring operational stability.
• Full‑stack software engineering expertise with Core Java, J2EE, Core Spring Framework, including Spring Boot and Spring Cloud.
• Excellent programming and problem‑solving skills, with 100% hands‑on development, support, bug resolution, and user management.
• Experience with SQL/No
  
  SQL databases:
  MySQL, Postgres, Oracle, DynamoDB, MongoDB.
• Experience implementing code quality tools such as SONAR, Checkstyle, PMD, etc.

• Experience with open banking frameworks (OBIE, Berlin Group, FDX) and payments or account information flows.
• Experience with perimeter security for API endpoints and proxies.
• Experience with Adobe Experience Manager or similar content management tools.
• Practical cloud‑native experience; AWS experience highly desirable.
• Hands‑on experience with AWS services – EC2, Lambda, KMS, ECS, EKS, S3, SQS, Event Bridge, and PostgreSQL advantage.
• Hands‑on experience with cloud infrastructure provisioning tools like Terraform and Cloud Formation advantage.

We offer a competitive total rewards package including base salary based on role, experience, skill set, and location. Eligible roles may receive commission‑based pay and/or discretionary incentive compensation paid in cash and/or forfeitable equity. Benefits include comprehensive health care coverage, on‑site wellness centers, a retirement savings plan, backup childcare, tuition reimbursement, mental health support, financial coaching, and more. Full details will be provided during the hiring process.

We are an equal opportunity employer and place a high value on diversity and inclusion. We do not discriminate on the basis of any protected attribute, including race, religion, color, national origin, gender, sexual orientation, gender identity, gender expression, age, marital or veteran status, pregnancy, or disability, or any other basis protected under applicable law. We also make reasonable accommodations for applicants’ and employees’ religious practices, mental health, or physical disability needs.

FAQs provide more information about requesting an accommodation.

Lead full‑stack engineering to design and grow an application interface ecosystem for external payment and financial capabilities.