State Street Corporation

Sr. Software Engineer - REST API Development, AVP

State Street Corporation$90K — $157K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in Computer Science or related field, or equivalent experience.
  • 3+ years' professional software development experience.
  • 2+ years' experience developing and supporting REST APIs.
  • Experience with backend services using Java, C#, .NET, Spring Boot, or similar.
  • Familiarity with Git-based source control and CI/CD platforms.

Responsibilities

  • Design, develop, and maintain RESTful APIs and backend services.
  • Build reusable components and integration services.
  • Ensure APIs meet performance, scalability, and security requirements.
  • Participate in API versioning and lifecycle management.
  • Troubleshoot and resolve API and integration issues across environments.
  • Create comprehensive API documentation for internal and external users.
  • Develop integrations between internal systems, partners, and cloud services.

Benefits

  • 401K retirement plan with company match.
  • Comprehensive insurance coverage (medical, dental, vision, life, and disability).
  • Paid time off including vacation, sick leave, and family care.
  • Access to Employee Assistance Program.
  • Eligibility for performance-based incentive compensation awards.
Full Job Description
About the Role

We are seeking a motivated and skilled Software Engineer to join our API Engineering team. In this role, you will design, develop, test, document, and support REST APIs that power critical business applications, partner integrations, and client-facing services.

You will work closely with architects, product managers, quality engineers, and platform teams to build secure, scalable, and reliable APIs using modern software engineering practices. This position is ideal for an engineer who enjoys backend development, systems integration, API design, and solving complex technical challenges.

Key Responsibilities

API Development
  • Design, develop, and maintain RESTful APIs and backend services.
  • Build reusable components, libraries, and integration services.
  • Ensure APIs meet performance, scalability, reliability, and security requirements.
  • Participate in API versioning, lifecycle management, and backward compatibility planning.
  • Troubleshoot and resolve API and integration issues across development, testing, and production environments.


Documentation & Knowledge Sharing
  • Create and maintain comprehensive API and integration documentation, including API specifications, developer guides, authentication and authorization requirements, onboarding materials, operational procedures, troubleshooting guides, and usage examples for internal and external consumers.
  • Document system designs, technical decisions, and implementation approaches.
  • Contribute to knowledge repositories and engineering best practices.


Integration & Architecture
  • Develop integrations between internal systems, external partners, and cloud services.
  • Implement API solutions that align with enterprise architecture standards.
  • Contribute to microservices and event-driven integration patterns.
  • Support API gateway onboarding and policy implementation activities.
  • Assist with API modernization and legacy system integration initiatives.


Quality Engineering
  • Develop unit, integration, and automated API tests.
  • Participate in peer code reviews and design reviews.
  • Support CI/CD adoption and deployment automation.
  • Identify and address reliability, performance, and maintainability issues.


Security & Compliance
  • Implement secure authentication and authorization mechanisms using OAuth 2.0, JWT, and related standards.
  • Follow secure coding practices and enterprise security requirements.
  • Support vulnerability remediation and compliance initiatives.
  • Ensure appropriate logging, monitoring, and auditing capabilities are implemented.


Collaboration
  • Participate in Agile/Scrum ceremonies and engineering planning activities.
  • Collaborate with product, architecture, security, operations, and support teams.
  • Communicate technical solutions effectively to technical and non-technical stakeholders.
  • Contribute to continuous improvement of engineering standards and processes.


Required Qualifications

Education
  • Bachelor's degree in Computer Science, Software Engineering, Information Technology, or a related field, or equivalent practical experience.


Experience
  • 3+ years of professional software development experience.
  • 2+ years of experience developing and supporting REST APIs.
  • Experience building backend services using Java, C#, .NET, Spring Boot, or similar technologies.
  • Experience working with distributed applications and service integrations.
  • Experience using Git-based source control and CI/CD platforms.


Technical Skills
  • Strong understanding of REST API principles and HTTP protocols.
  • Experience designing and implementing RESTful services and integrations.
  • Experience with JSON, XML, and API integration patterns.
  • Experience with relational databases and SQL.
  • Knowledge of software design patterns and object-oriented programming.
  • Familiarity with API security concepts and best practices including OAuth 2.0 and JWT.
  • Experience with automated testing frameworks and API testing tools.
  • Hands-on experience developing and deploying applications on Microsoft Azure.
  • Experience with Kubernetes and containerized applications using Docker or similar technologies.
  • Understanding of cloud-native application development, deployment, scaling, and operational best practices.
  • Experience with CI/CD pipelines and DevOps practices.


Preferred Qualifications
  • Experience with Azure API Management (APIM).
  • Experience with event-driven architectures and messaging platforms such as Azure Service Bus, Event Hubs, Kafka, or RabbitMQ.
  • Experience producing API and technical documentation.
  • Experience with monitoring and observability tools such as Azure Monitor, Application Insights, Splunk, Prometheus, Grafana, or OpenTelemetry.
  • Familiarity with Infrastructure as Code tools such as Terraform, Bicep, or ARM templates.
  • Experience in financial services, fintech, or other regulated industries.


What We Value
  • Strong analytical and problem-solving skills.
  • Passion for building high-quality, maintainable software.
  • Attention to detail and commitment to engineering excellence.
  • Strong written and verbal communication skills.
  • Ability to collaborate effectively in a cross-functional environment.
  • Continuous learning mindset and willingness to adopt new technologies.
  • Customer-focused approach to designing and delivering APIs.
  • Ownership mindset with the ability to independently drive tasks to completion.


Salary Range:
$90,000 - $157,500 Annual

The range quoted above applies to the role in the primary location specified. If the candidate would ultimately work outside of the primary location above, the applicable range could differ.

Employees are eligible to participate in State Street's comprehensive benefits program, which includes: our retirement savings plan (401K) with company match; insurance coverage including basic life, medical, dental, vision, long-term disability, and other optional additional coverages; paid-time off including vacation, sick leave, short term disability, and family care responsibilities; access to our Employee Assistance Program; incentive compensation including eligibility for annual performance-based awards (excluding certain sales roles subject to sales incentive plans); and, eligibility for certain tax advantaged savings plans.

For a full overview, visit https://hrportal.ehr.com/statestreet/Home.

About State Street Corporation

State Street Corporation Careers

Join the dynamic team at State Street Corporation, a leading financial services provider known for its commitment to innovation, leadership, and professional growth. As a global powerhouse in investment management and servicing, we offer unparalleled job opportunities that propel your career to new heights.

Work You’ll Do

At State Street Corporation, you’ll be part of a culture that values diversity, leadership, and continuous professional development. Engage in work that transforms the financial landscape and helps our clients achieve their investment goals. Our team at State Street is at the forefront of combining industry expertise with cutting-edge technology to deliver exceptional service and results.

Explore Our Job Opportunities

Whether you’re looking for an entry-level position or a senior role, State Street Corporation offers a range of career paths in areas such as asset management, data analytics, finance, and technology. Our hiring process is designed to identify and nurture talent, focusing on your skills and potential. Prepare your resume, ace the interview, and join a team that’s committed to your career growth.

Internship Programs

Kickstart your career with a State Street internship. Our programs provide hands-on experience, networking opportunities, and professional mentoring in a real-world setting. Interns at State Street gain valuable insights and skills that make them competitive candidates for full-time positions within our company.

Benefits and Growth

State Street Corporation is dedicated to the growth and well-being of our employees. We offer a comprehensive benefits package that supports both your professional and personal life. From advanced career training and leadership development programs to health and wellness benefits, we ensure that our team members have the resources they need to succeed.

Inclusive Culture and Diversity

We pride ourselves on fostering an inclusive environment where every employee can thrive. Diversity is not just embraced; it’s celebrated. At State Street, you’ll work alongside a diverse group of professionals who bring a wide range of perspectives and ideas to the table. Our diversity training programs are designed to enhance collaboration and innovation across our global team.

Stay Connected

Join Our Team Discover the career you’ve always wanted by exploring the job opportunities at State Street Corporation. We look for driven, curious, and innovative team players who are ready to make an impact. Search State Street jobs now and find the position that best matches your skills and interests. Keep Up to Date Stay informed with career tips, insider perspectives, and industry-leading insights you can use today—all from the people who work here. Our careers blog provides you with the latest trends, tools, and advice to keep you ahead in your professional journey.

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Learn more about State Street Corporation
Size
39,335 employees
Market Cap
$28.4 billion
Industry
Net Income
$2.4 billion
Founded
1792
5 Year Trend
-4.9%
NASDAQ

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