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Api Developer Jobs in Delaware (NOW HIRING)

SFDC Sr. Developer

Wilmington, DE · On-site

$53.75 - $71.25/hr

SFDC Sr. Developer Visa status: U.S. Citizens and those authorized to work in the U.S. are ... CTI Integration using Standard Adapters and Open CTI API * Automation with Macro * Worked on Data ...

Swagger, RAML, XSLT, Object-Oriented Programming Languages, Open API IDE:Eclipse, VisualCode, Anypoint Studio,Visual Studio Configuration Management: Azure Dev/Ops, Clear Case, Rational SC Database:

Junior Full-stack developer

Wilmington, DE · On-site

$65K - $84.40K/yr

Spring boot, microservices, Docker, Jenkins and REST API's experience * Excellent written and ... Experience in programming language Java and understanding of the software development life cycle

Familiarity with SoapUI, Postman , and API testing. Knowledge of Agile/SCRUM and DevOps methodologies . Once the profile has been shortlisted, we will set up the interview. This is a remote position.

Familiarity with RESTful API design and implementation. * Experience with version control systems ... developers really well. Going forward we are going to heavily rely on product-led growth. This ...

Stefanini is looking for Software Developer in Smyrna, DE (Hybrid) For quick Apply, please reach ... JSON, AJAX, REST API, WebSocket's7 Years Experience Required: General application design ...

SW Engineer II

Wilmington, DE · Hybrid

$94.60K - $129.50K/yr

Net Skill Set 2 - Rest API Web Services, API Development Skill Set 3 - Gitlab, DevOps OVERVIEW: Provides designs, specifies information systems solutions and highly technical direction in the ...

Senior Quality Automation Engineer

Wilmington, DE · On-site

$85.90K - $116.40K/yr

Senior Quality Automation Engineer in Credit Card As a Senior Quality Automation Engineer in Credit ... Build and maintain automated API tests, including positive/negative scenarios, authentication ...

New

Senior Quality Automation Engineer

Newark, DE · On-site

$86.80K - $117.70K/yr

Senior Quality Automation Engineer in Credit Card As a Senior Quality Automation Engineer in Credit ... Build and maintain automated API tests, including positive/negative scenarios, authentication ...

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Api Developer information

See Delaware salary details

$10

$59

$77

How much do api developer jobs pay per hour?

As of May 28, 2026, the average hourly pay for api developer in Delaware is $59.94, according to ZipRecruiter salary data. Most workers in this role earn between $54.62 and $67.36 per hour, depending on experience, location, and employer.

What does an API Developer do?

An API Developer is responsible for designing, building, and maintaining application programming interfaces (APIs) that enable software applications to communicate with each other. They ensure APIs are secure, scalable, and efficient, often working with technologies like REST, GraphQL, and SOAP. API Developers collaborate with front-end and back-end teams to integrate systems and improve functionality. Their role also involves debugging, optimizing performance, and documenting API usage.

What are the key skills and qualifications needed to thrive in the Api Developer position, and why are they important?

To thrive as an API Developer, you need strong programming skills in languages like JavaScript, Python, or Java, as well as a solid understanding of RESTful and SOAP API protocols. Proficiency with tools such as Postman, Swagger, and familiarity with API security, cloud platforms, and relevant certifications (like AWS Certified Developer) are commonly required. Excellent problem-solving abilities, attention to detail, and clear communication skills help you collaborate effectively and navigate complex development challenges. These capabilities are crucial for building reliable, scalable APIs that enable seamless integration between diverse systems and deliver value to users and teams.

What does a typical workday look like for an API Developer?

A typical workday for an API Developer involves designing, coding, and testing APIs to ensure they meet business requirements and function optimally. You’ll frequently troubleshoot integration issues, review code for security and performance, and collaborate closely with front-end, back-end, and product teams to address evolving project needs. Daily tasks may include updating API documentation, participating in agile sprint meetings, and responding to technical support queries from other developers or partners. The work environment is often dynamic and collaborative, with a strong emphasis on continuous learning and adapting to new technologies.

What is the salary of API developer?

The average salary for an API developer varies by experience and location but typically ranges from $70,000 to $120,000 annually. Skilled developers with knowledge of REST, SOAP, and programming languages like Python or Java tend to earn higher salaries, especially with certifications or experience in cloud environments.
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Lead Software Engineer

Full-time

Medical, Retirement

Posted 10 days ago


JPMorgan Chase & Co. rating

8.1

Company rating: 8.1 out of 10

Based on 466 frontline employees who took The Breakroom Quiz

46th of 141 rated banks


Job description

We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible.

As a Lead Software Engineer at JPMorgan Chase within the Consumer and Community Banking Operations Dispute technology, you are an integral part of an agile team that works to enhance, build, and deliver trusted market-leading technology products in a secure, stable, and scalable way. As a core technical contributor, you are responsible for conducting critical technology solutions across multiple technical areas within various business functions in support of the firm's business objectives.

Job responsibilities

  • Lead the design, development, and deployment of highly scalable, fault-tolerant, mission-critical distributed systems and cloud modernization initiatives that process high-volume financial transactions with zero-downtime

  • Drive technical design decisions and long-term architecture strategy, making critical choices on technology stack, architectural patterns, and infrastructure solutions while evaluating and introducing emerging technologies that improve team productivity and system capabilities

  • Serve as technical lead for full-stack development, providing hands-on guidance to engineers on complex technical challenges, driving code review excellence, and championing engineering best practices across the team

  • Ensure code quality and security through comprehensive automated testing strategies (unit, integration, end-to-end), static code analysis, and vulnerability scanning

  • Mentor and develop engineering talent within the team, conducting technical coaching sessions and fostering a culture of continuous learning and technical excellence

  • Collaborate with cross-functional teams including architects, product owners, and engineering teams to translate business requirements into scalable technical solutions and delivery roadmaps

  • Partner with engineering teams across the organization to define technical scope, API contracts, integration patterns, cross-team dependencies, and end-to-end delivery plans

  • Drive delivery excellence across multiple concurrent initiatives in a fast-paced environment, effectively balancing technical debt, feature development, and operational stability

  • Establish and maintain comprehensive observability frameworks including logging, monitoring, alerting, and distributed tracing to ensure system reliability, rapid incident resolution, and operational excellence

  • Provide L3 production support and serve as technical escalation point for critical issues, collaborating with operations teams to ensure rapid incident resolution, root cause analysis, and system stability

Required qualifications, capabilities, and skills

  • Formal training or certification on software engineering concepts and 5+ years applied experience building enterprise-grade applications

  • Expert-level proficiency in Java, Spring Boot, RESTful API design, and microservices architecture with demonstrated experience designing and building highly scalable distributed systems for high-availability production environments

  • Strong experience with AWS cloud services including EC2, ECS/EKS, Lambda, S3, RDS, SQS/SNS, API Gateway, and CloudWatch with infrastructure-as-code implementation using Terraform

  • Proficiency in front-end development with React JS, including state management (Redux/Context API), component design patterns, and modern JavaScript

  • Deep understanding of database design, optimization, and performance tuning for PostgreSQL and Oracle databases, including complex query optimization, indexing strategies, and transaction management

  • Proven experience implementing event-driven architectures using message queues (SQS/SNS), streaming platforms (Kafka, AWS MSK), and asynchronous processing patterns for high-throughput systems

  • Strong understanding of application security principles including OAuth2/JWT authentication, encryption at rest and in transit, secrets management, and secure API design

  • Expertise in CI/CD pipelines, continuous delivery methods, end-to-end automation, and automated deployment strategies using modern DevOps tools and practices

  • Proficiency in test-driven development (TDD), comprehensive testing strategies (unit, integration, end-to-end), and code quality practices

  • Expertise in application resiliency patterns (circuit breaker, retry, timeout, bulkhead), observability, and production monitoring using tools like Splunk, Dynatrace, and CloudWatch

  • Proven track record leading technical implementations through the complete Software Development Life Cycle from conception to production deployment, including operational stability and continuous improvement

Preferred qualifications, capabilities, and skills

  • Knowledge of the financial services industry, regulatory requirements, and their IT systems

  • Experience with Agentic AI solutions, machine learning model integration, or AI-powered automation frameworks

  • Exposure to Camunda BPMN or other workflow orchestration engines for complex business process automation

  • Experience with GraphQL API design and implementation

Chase is a leading financial services firm, helping nearly half of America's households and small businesses achieve their financial goals through a broad range of financial products. Our mission is to create engaged, lifelong relationships and put our customers at the heart of everything we do. We also help small businesses, nonprofits and cities grow, delivering solutions to solve all their financial needs. 

We offer a competitive total rewards package including base salary determined based on the role, experience, skill set and location. Those in eligible roles may receive commission-based pay and/or discretionary incentive compensation, paid in the form of cash and/or forfeitable equity, awarded in recognition of individual achievements and contributions.  We also offer a range of benefits and programs to meet employee needs, based on eligibility. These benefits include comprehensive health care coverage, on-site health and wellness centers, a retirement savings plan, backup childcare, tuition reimbursement, mental health support, financial coaching and more. Additional details about total compensation and benefits will be provided during the hiring process. 

We recognize that our people are our strength and the diverse talents they bring to our global workforce are directly linked to our success. We are an equal opportunity employer and place a high value on diversity and inclusion at our company. 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 and beliefs, as well as mental health or physical disability needs. Visit our FAQs for more information about requesting an accommodation.

Equal Opportunity Employer/Disability/Veterans

Our Consumer & Community Banking division serves our Chase customers through a range of financial services, including personal banking, credit cards, mortgages, auto financing, investment advice, small business loans and payment processing. We're proud to lead the U.S. in credit card sales and deposit growth and have the most-used digital solutions - all while ranking first in customer satisfaction.

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