Software Engineer - REST API Development, Officer

STATE STREET CORPORATION; United States; On-site; USD 70,000 - 119,000; Full time

Benefits offered by this job

401K with company match

Insurance coverage including life and/

Paid time off

Employee Assistance Program

Performance-based awards

Tax advantaged savings plans

Job summary

State Street Corporation in the United States is seeking a Junior Software Engineer to join our API Engineering team, focusing on backend development, REST APIs, and cloud-native integrations. You will learn from senior engineers and contribute to secure, scalable services in a mentorship-driven environment.

The role emphasizes learning API design, testing, documentation, and collaboration across product, architecture, and security teams.

Qualifications

• Bachelor's degree or equivalent practical experience.
• 0-2 years of professional software development experience.
• Some exposure to building or consuming REST APIs.
• Familiarity with Java, C#, .NET, or Spring Boot.
• Basic Git-based source control experience.
• Fundamental REST/JSON/SQL knowledge and OO design.
• Willingness to learn cloud concepts (Azure) and CI/CD basics.

Responsibilities

• Design, develop, and maintain RESTful APIs and backend services.
• Create and maintain API documentation and guides.
• Support integrations between internal systems and cloud services.
• Write unit and integration tests; participate in code reviews.
• Assist with CI/CD and deployment automation tasks.
• Adhere to security, logging, and monitoring practices.

Skills

REST API concepts

Git basics

SQL basics

OO design

Cloud exposure (Azure)

Listening and collaboration

Education

Bachelor's degree or equivalent

Tools

Java

C#

.NET

Spring Boot

SQL Databases

Docker

Kubernetes

Azure

Job description

About the Role

We are seeking an enthusiastic and motivated Junior Software Engineer to join our API Engineering team. In this role, you will help design, develop, test, document, and support REST APIs that power business applications, partner integrations, and client-facing services. You will work closely with senior engineers, architects, product managers, quality engineers, and platform teams to learn and apply modern software engineering practices while contributing to secure, scalable, and reliable APIs. This position is ideal for an early-career engineer who is eager to grow in backend development, systems integration, and API design, and who enjoys solving technical problems in a collaborative, mentorship-driven environment.

Key Responsibilities

• API Development Assist in designing, developing, and maintaining RESTful APIs and backend services under the guidance of senior engineers. Build and maintain reusable components, libraries, and integration services. Help ensure APIs meet performance, reliability, and security requirements. Learn and apply API versioning and lifecycle management practices. Troubleshoot and help resolve API and integration issues across development and testing environments, escalating complex issues as needed.
• Documentation & Knowledge Sharing Create and maintain clear API and integration documentation, including API specifications, developer guides, and usage examples. Document technical work, implementation notes, and lessons learned. Contribute to team knowledge repositories and engineering best practices.
• Integration & Architecture Support the development of integrations between internal systems, external partners, and cloud services. Follow enterprise architecture standards when implementing API solutions. Learn and contribute to microservices and event-driven integration patterns. Assist with API gateway onboarding and basic policy implementation tasks.
• Quality Engineering Write unit, integration, and automated API tests with guidance from senior team members. Participate in peer code reviews and design reviews to learn team standards. Support CI/CD pipeline usage and basic deployment automation tasks. Help identify reliability, performance, and maintainability issues.
• Security & Compliance Learn and apply secure authentication and authorization mechanisms such as OAuth 2.0 and JWT. Follow secure coding practices and enterprise security requirements. Support vulnerability remediation activities as directed. Help ensure appropriate logging and monitoring is implemented in the services you build.
• Collaboration Actively participate in Agile/Scrum ceremonies and engineering planning activities. Collaborate with product, architecture, security, and operations teams. Communicate progress, questions, and technical ideas clearly to teammates and mentors. Seek feedback and apply it to continuously improve technical skills.

Required Qualifications

• Education Bachelor's degree in Computer Science, Software Engineering, Information Technology, or a related field (or equivalent practical experience, including internships, bootcamps, or personal projects).
• Experience 0-2 years of professional software development experience (internships, co-ops, and academic projects are valued).
• Some exposure to building or consuming REST APIs, through coursework, internships, or personal projects.
• Familiarity with at least one backend language/framework such as Java, C#, .NET, or Spring Boot.
• Basic experience with Git-based source control.
• Technical Skills Basic understanding of REST API principles and HTTP protocols. Familiarity with JSON and API integration concepts. Basic understanding of relational databases and SQL. Foundational knowledge of software design patterns and object-oriented programming. Willingness to learn API security concepts, including OAuth 2.0 and JWT. Exposure to automated testing frameworks (unit testing) is a plus. Interest in or coursework experience with cloud platforms such as Microsoft Azure. Curiosity about containerization technologies such as Docker and Kubernetes. Eagerness to learn CI/CD pipelines and DevOps practices.

Preferred Qualifications

• Coursework, certifications, or personal projects involving Microsoft Azure.
• Exposure to messaging or event-driven concepts (e.g., Kafka, RabbitMQ, Azure Service Bus).
• Experience writing basic technical documentation.
• Familiarity with monitoring/logging concepts.
• Internship or academic experience in financial services, fintech, or other regulated industries.

What We Value

Strong desire to learn and grow as a software engineer. Analytical and problem-solving mindset. Attention to detail and commitment to writing quality code. Strong written and verbal communication skills. Ability to collaborate effectively and accept mentorship in a team environment. Growth mindset and willingness to adopt new technologies. Ownership mindset with the ability to drive assigned tasks to completion with support.

Core Technologies

• REST APIs (foundational)
• Java
• Spring Boot
• C#
• or .NET
• Git
• SQL Databases
• Basic OAuth 2.0 / JWT concepts
• Nice to Have Technologies Microsoft Azure
• Docker / Kubernetes (exposure)
• CI/CD Pipelines
• Kafka or similar messaging platforms

Desired Traits

• Strong foundational engineering skills
• Eagerness to learn cloud-native development
• Security-aware mindset
• Good communication and documentation habits
• Ability to work effectively in Agile teams with mentorship
• Passion for building reliable software and growing into a stronger engineer

Role Summary

This job description is aligned for an entry-level/junior engineer joining an Azure-based REST API platform team. The role emphasizes hands-on learning, mentorship, and gradual ownership of API development, integrations, testing, documentation, and cloud-native application delivery under the guidance of senior engineers.

Salary Range

$70,000 - $118,750 Annual

Benefits

• 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)
• eligibility for certain tax advantaged savings plans

About State Street

Across the globe, institutional investors rely on us to help them manage risk, respond to challenges, and drive performance and profitability. We keep our clients at the heart of everything we do, and smart, engaged employees are essential to our continued success. We are committed to fostering an environment where every employee feels valued and empowered to reach their full potential. As an essential partner in our shared success, you’ll benefit from inclusive development opportunities, flexible work-life support, paid volunteer days, and vibrant employee networks that keep you connected to what matters most. Join us in shaping the future.

Equal Opportunity Statement

As an Equal Opportunity Employer, we consider all qualified applicants for all positions without regard to race, creed, color, religion, national origin, ancestry, ethnicity, age, disability, genetic information, sex, sexual orientation, gender identity or expression, citizenship, marital status, domestic partnership or civil union status, familial status, military and veteran status, and other characteristics protected by applicable law.

Job Application Disclosure

It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Across the globe, institutional investors rely on us to help them manage risk, respond to challenges, and drive performance and profitability. We keep our clients at the heart of everything we do, and smart, engaged employees are essential to our continued success. We are committed to fostering an environment where every employee feels valued and empowered to reach their full potential. As an essential partner in our shared success, you’ll benefit from inclusive development opportunities, flexible work-life support, paid volunteer days, and vibrant employee networks that keep you connected to what matters most. Join us in shaping the future. As an Equal Opportunity Employer, we consider all qualified applicants for all positions without regard to race, creed, color, religion, national origin, ancestry, ethnicity, age, disability, genetic information, sex, sexual orientation, gender identity or expression, citizenship, marital status, domestic partnership or civil union status, familial status, military and veteran status, and other characteristics protected by applicable law. Discover more information on jobs at StateStreet.com/careers Read our CEO Statement