> Markdown version of [/jobs/ext/3038936-sr-software-engineer-rest-api-development-avp](https://www.wearedevelopers.com/jobs/ext/3038936-sr-software-engineer-rest-api-development-avp). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Sr. Software Engineer - REST API Development, AVP - **Company:** State Street - **Location:** Burlington, MA, United States - **Experience:** Expert - **Salary:** $90,000.0 - $157,500.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), .NET Framework, Application Programming Interfaces (APIs), Application Performance Management, Microsoft Azure, Business Software, C Sharp (Programming Language), Cloud Engineering, Continuous Integration, Software Design Patterns, DevOps, Document Management Systems, Distributed Systems, Monitoring of Systems, Hypertext Transfer Protocols (HTTP), JSON, Enterprise Messaging Systems, OAuth, Object-Oriented Software Development, Scrum Methodology, Software Maintenance, RabbitMQ, Cloud Services, Prometheus, Software Deployment, Software Engineering, Systems Integration, Management of Software Versions, Software Vulnerability Management, Extensible Markup Language (XML), Openapi, Azure Service Bus, Data Logging, Postman, Cloud Monitoring, Grafana, Spring-boot, Software Security, Backend, Git, Event Driven Architecture, Containerization, Kubernetes, Infrastructure Automation Frameworks, Information Technology, Deployment Automation, Bicep, Apache Kafka, Api Design, Api Gateway, Restful APIs, Terraform, Splunk, Software Version Control, Api Management, Docker, Microservices - **Published:** September 23, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=f9adba26f73a592b ## About the Role 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. ## Description 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., 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. ## Related Videos - [API = Some REST and HTTP, right? RIGHT?!](https://www.wearedevelopers.com/videos/1675-api-some-rest-and-http-right-right) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Tips and Tricks for Working with JSON](https://www.wearedevelopers.com/videos/1229-tips-and-tricks-for-working-with-json) - [Keeping applications secure by evolving OAuth 2.0 and OpenID Connect](https://www.wearedevelopers.com/videos/100152-keeping-applications-secure-by-evolving-oauth-2-0-and-openid-connect) - [Inside Bitpanda's Tech Stack: Scaling a European Fintech Leader - Markus Dorner](https://www.wearedevelopers.com/videos/1979-inside-bitpanda-s-tech-stack-scaling-a-european-fintech-leader-markus-dorner) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) ## Related Articles - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers) - [Highest Paying Tech Companies in Europe](https://www.wearedevelopers.com/magazine/162-highest-paying-tech-companies-in-europe) - [How Much FAANG Companies Actually Pay Software Engineers in 2025](https://www.wearedevelopers.com/magazine/230-how-much-faang-companies-actually-pay-software-engineers-in-2025) - [How Much Does a Software Engineer Make? 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