AWS API Developer

Position OverviewPlease note this role is not open to sponsorship, visa transfer, or C2C partnership with a vendor.We are seeking a Sr. AWS API Developer / Python Backend Engineer to design, build, test, deploy, and support secure, scalable enterprise APIs and backend services on AWS. This role will own the full API engineering lifecycle, including API contract design, Python development, cloud integration, automated testing, CI/CD, observability, security, and production support.The ideal candidate is a hands-on engineer with deep expertise in Python, AWS, API architecture, and test automation. You will work closely with architecture, product, frontend, data, DevOps, security, and quality engineering teams to deliver reliable, cloud-native solutions that support critical business initiatives.Primary ResponsibilitiesDesign, develop, and maintain secure, scalable REST APIs and backend services using Python.Build backend services using modern Python frameworks such as FastAPI, Flask, or Django REST Framework.Define and maintain API contracts using OpenAPI/Swagger, including request/response models, validation, error handling, versioning, filtering, and pagination.Develop cloud-native solutions utilizing AWS services including API Gateway, Lambda, ECS, Aurora/RDS, S3, EventBridge, SQS/SNS, CloudWatch, IAM, KMS, and Secrets Manager.Implement authentication and authorization solutions using OAuth 2.0, OIDC, JWT, RBAC, scopes, claims, and machine-to-machine authentication.Integrate APIs with identity platforms such as Okta.Design and implement synchronous and asynchronous/event-driven integrations with databases, data platforms, and downstream applications.Create and maintain automated unit, functional, integration, regression, and smoke tests.Automate positive, negative, security, validation, error-handling, and downstream-failure test scenarios within CI/CD pipelines.Collaborate with Quality Engineering while maintaining ownership of engineering-level API automation.Build and support CI/CD pipelines using GitHub Actions and Infrastructure as Code practices.Implement logging, tracing, metrics, monitoring, alerting, and observability solutions using CloudWatch, Dynatrace, and related tools.Apply secure coding practices, secrets management, encryption, least-privilege access controls, and OWASP API security principles.Troubleshoot application, API, database, integration, and production issues across distributed systems.Participate in solution design, code reviews, estimation, story refinement, technical documentation, and production-readiness activities.Partner with frontend teams using platforms such as OutSystems, React, Vue, or similar technologies to deliver efficient API integrations.Required Skills12+ years of software development experience.7+ years of hands-on API and cloud development experience.Strong Python development experience building backend services and APIs.Experience with FastAPI, Flask, Django REST Framework, or similar Python frameworks.Strong experience designing and developing RESTful APIs and API-first solutions using OpenAPI/Swagger.Hands-on AWS development experience, including API Gateway and related cloud services.Experience building cloud-native solutions using AWS services such as Lambda, ECS, Aurora/RDS, S3, EventBridge, SQS/SNS, CloudWatch, IAM, KMS, and Secrets Manager.Experience with API test automation and performance testing using Playwright and/or Python-based frameworks.Experience with PostgreSQL, Aurora, or comparable relational databases.Strong understanding of OAuth 2.0, OIDC, JWT, authentication, authorization, and secure API design.Experience writing automated unit, API, integration, regression, and smoke tests.Experience with pytest, unittest, or similar Python testing frameworks.Experience with API automation tools such as Postman/Newman, Playwright, Karate, or equivalent.Experience with Git, CI/CD pipelines, automated testing, and deployment practices.Strong understanding of secure coding standards, observability, software engineering best practices, and production support.Preferred SkillsExperience implementing Infrastructure as Code practices.Experience integrating with Okta or similar identity platforms.Experience implementing structured logging, distributed tracing, correlation IDs, metrics, and alerting.Experience using Dynatrace and advanced observability platforms.Familiarity with frontend ecosystems such as OutSystems, React, and Vue.Experience designing asynchronous and event-driven architectures.Why This OpportunityThis position offers the opportunity to make a significant impact within a growing organization that is expanding its AWS and Python API engineering capabilities. You'll help address a key technical need by bringing deep cloud and API expertise to a team that is scaling enterprise-grade solutions across the business. Working in a fully remote environment, you'll collaborate with teams throughout the organization and play a critical role in shaping modern, secure, cloud-native platforms.Job Type & LocationThis is a Contract position based out of New York, NY.Pay and BenefitsThe pay range for this position is $65.00 - $75.00/hr. Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related factors.Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following: Medical, dental & vision Critical Illness, Accident, and Hospital 401(k) Retirement Plan Pre-tax and Roth post-tax contributions available Life Insurance (Voluntary Life & AD&D for the employee and dependents) Short and long-term disability Health Spending Account (HSA) Transportation benefits Employee Assistance Program Time Off/Leave (PTO, Vacation or Sick Leave)Job Type & LocationThis is a Contract position based out of New York, NY.Application DeadlineThis position is anticipated to close on Oct 26, 2026.Workplace TypeThis is a fully remote position.About TEKsystemsWe're partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia. As an industry leader in Full-Stack Technology Services, Talent Services, and real-world application, we work with progressive leaders to drive change. That's the power of true partnership. TEKsystems is an Allegis Group company. The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.About TEKsystems and TEKsystems Global Services Were a leading provider of business and technology services. We accelerate business transformation for our customers. Our expertise in strategy, design, execution and operations unlocks business value through a range of solutions. Were a team of 80,000 strong, working with over 6,000 customers, including 80% of the Fortune 500 across North America, Europe and Asia, who partner with us for our scale, full-stack capabilities and speed. Were strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. Were building tomorrow by delivering business outcomes and making positive impacts in our global communities. TEKsystems and TEKsystems Global Services are Allegis Group companies. Learn more at TEKsystems.com.The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.San Francisco Fair Chance Ordinance: Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.Massachusetts Lie Detector: 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.Use of Artificial Intelligence (AI): We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.Job SummaryJob number: JP-006346874Profession: Developer