Senior API Developer
AceStack LLC
Senior API Developer (AWS)Location: Jersey City, NJ / Dallas, TX / Tampa, FL (Onsite)Duration: 6 monthsOverview:We are looking for a Senior API Developer with strong AWS expertise to design, develop, and manage scalable, secure APIs. The role involves building APIs using AWS API Gateway, integrating backend services and databases, and leveraging AWS services like Lambda, S3, DynamoDB, Step Functions, and EKS. You will ensure API security (OAuth 2.0, JWT), support CI/CD deployments, monitor performance, and create API documentation using Swagger/OpenAPI. The role also includes code reviews, mentoring, and active participation in an Agile/SAFe environment.Requirements:10+ years of software development experience5+ years in backend/API developmentStrong skills in Python, Node.
- This is your chance to shape an AI-first Developer Portal—a modern “front door” where clients and their systems can discover capabilities... ...through agent-ready workflows and high-quality external APIs. As a Senior Vice President of Software Engineering within Payments...SeniorContract work
$61k - $101k
...acceptable. We need proven experience building external-facing APIs and integration platforms, including contract-first design,... ...We will rely on you to define the architecture for an AI-first Developer Portal, including agent-ready workflows, tool and action schemas...SeniorFull timeContract work- ...distributed systemsHave practical experience developing on blockchain platforms, such as,... ...experience with application programming, backend API development and distributed... ...security expectations; experience coaching senior engineers/leads on compliant usage patterns...SeniorWork experience placement
- ...Senior DeveloperLocation: Charlotte, NC / New Jersey / Phoenix, AZ (On-site)Job Description... ...:Demonstrated ability to design, develop, and maintain both front-end and back-end... ...experience in developing server-side logic and APIs using languages such as Java, Python, or...Senior
- ...Citi is seeking a visionary Senior Principal Platform & AI Architect to lead the design, development, and security of next-generation cloud platforms, enterprise API ecosystems, and AI-driven solutions. The role is hands-on, defining enterprise strategies while contributing...Senior
- ...Senior Lead Software EngineerWe have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible.As a Senior Lead Software Engineer at JPMorgan Chase within the Commercial & Investment Bank's Payments Technology group...Senior
$153k - $204k
...more at .What You'll Do:The Cloud Platform API team builds the API platform and the... ...generation the default path.About the role:As a Senior Engineer on API Platform & Client Tooling... ...on, and raise the quality bar for the developer experience across that whole surface....SeniorPermanent employmentFull timeContract workTemporary workCasual workWork at officeFlexible hours- ...Senior Lead Software Engineer We have an opportunity to impact your career and provide an adventure where you can push the limits... ...teams Be a hands-on coding tech lead minimum 50% of the time Develops secure high-quality production code, and reviews and debugs...Senior
- ...Job title Senior Technology ArchitectWork location Nutley, NJ 07110Is it Hybrid, onsite... ...Logic Apps, Function Apps, Service Bus, API Management, and Event Grid. Collaborate with... ...and provide guidance on Azure integration. Develop and maintain CI/CD pipelines for...SeniorWork experience placementRemote work
- ...delivering high-performance middleware and API solutions that enable seamless... ...How You Will Make An Impact Design, develop, and maintain scalable middleware and RESTful... ...reliability and performance Are You a Proven Senior Middleware/API Engineering Professional Ready...Senior
- ...Citigroup Inc. in Jersey City, NJ, seeks a Senior Principal Platform & AI Architect with 10+ years of hands-on cloud, API, and AI experience to lead design, development, and security of next-generation cloud platforms and enterprise APIs. You will work hands-on in...Senior
- Role SummaryWe are seeking a Senior Java MuleSoft Engineer P4 with strong expertise in enterprise integration API development and cloudbased integration platforms The ideal... ...microservices This role involves designing developing and supporting scalable integration...Senior
$142.32k - $213.48k
..., Applications Development, ProfessionalCompany: CitiThe Senior Backend Principal Developer is a senior level position responsible for developing a robust... ...high-performance, fault-tolerant backend services and APIs using modern programming languages and frameworks. This...SeniorFull time$100k - $135k
...Fintech Company . Job Description Position to fill: Senior Frontend Web Developer Industry IT services Location: NYC Salary range:... ...experience with Python) Extensive experience with SQL, APIs (REST, JSON-RPC, etc), Git/GitHub (or similar RCS) 1...SeniorFull timeLive inRelocation- ...DETAILS and TIME SLOTS will be REJECTED. Job Title: Senior Technology Architect | Cloud Platform | Azure API Gateway Work Location & Reporting Address:... ...reviews and provide guidance on Azure integration. Develop and maintain CI/CD pipelines for integration...SeniorHourly payContract workImmediate startRelocation
$140k - $200k
...compatibility (Windows 10/11+), and maintainability. Drive accessibility efforts: integrate and validate support for accessibility APIs (e.g. Microsoft UI Automation or other relevant Windows accessibility frameworks), ensure UI controls, focus management, keyboard...SeniorFull timeWork at office- Company DescriptionTECHNAMO is a niche, young & dynamic IT service provider, VA SWaM certified, Microsoft Cloud Certified Partner, focused on providing IT Solutions & Services to government and commercial companies.Technamo is a Tier-I Contractor to provide IT Services ...SeniorFor contractors
$130k - $150k
Senior Software Engineer - AI/Agentic SystemsPearson Learning Studio (PLS) - REIA Squad |... ...based architectures.This role is focused on developing intelligent, scalable AI systems with... ...reliability.Build scalable AI services and APIs using Python.Platform &...SeniorFull time- ...part of everyday work. ABOUT THE ROLE:As a Senior Software Engineer at Global-e, you will... ...platform. You will drive innovation within our API‑first microservice architecture built on... ...bar of the team and product Propose and develop features, tooling, and infrastructure to...SeniorWork at officeWorldwide
- ...Responsibilities:Lead end-to-end full stack application developmentDesign scalable cloud-native architectures on AWSBuild secure, high-performance APIs and applicationsDrive code reviews, engineering best practices, and technical leadershipImplement observability, monitoring, and...Senior
- ...Delivery Lead managing end-to-end software delivery projects. Strong technical background in Java, Spring Boot, Microservices, REST APIs, Kafka, and cloud platforms (AWS). Experience leading development teams, conducting design reviews, and providing technical...Senior
- ...Senior Software EngineerWe are looking for a Senior Software Engineer. Our product is built from day one as a modern API First microservice architecture (Scala, ReactJS, TypeScript) with true... ...of the team and productPropose and develop features, tooling, and infrastructure...SeniorWork at office
- ...exposed property insurance, is seeking a Senior Software Engineer to join our Policy Onboarding... ...share of our business through APIs. If you have a passion for backend technologies... ..., and architectural proposals. Develop testing suites and validation strategies...SeniorFor contractorsLive inRemote work
- ...Senior Java DeveloperLocation: New Castle, DE && Jersey City, NJ && Tampa, FLFull TimeExp... ...Microservices architecture (service decomposition, API contracts)• REST APIs, JSON, OpenAPI /... ...upstream/downstream systems• Design, develop, and maintain Java based microservices•...Senior
- ...Meghana GorusuCompany: SRI Tech SolutionsRole: Senior Generative AI DeveloperLocation: Irving,... ...an experienced Senior Generative AI Developer to design and implement cutting-edge AI solutions... ...of system architecture design, scalable APIs, and end-to-end AI solution development....SeniorFull time3 days per week
- ...and code reviewsExperience with micro-service architectureStrong API design, development, and managementExperience in building REST... ...both independent and team environments.Required Skills: Sr. Java Developer 8-10+ years of experience - must be strong at coding! Core Java...SeniorRemote work
- Job ID: 25823899Reference Number: 25-00728Title: Senior Data Engineer (Python)Location: Jersey City, NJPosted Date: 2025-07-02Contact:... ...19Company: HAN Staffing Advanced Python programming skills with APIs.Expertise in App design and solutioning.Exp in designing and Implementing...Senior
- ...Purple DriveWe're seeking a Senior iOS Developer to join our team in Blue Ash for an exciting 6-month mobile development project. You'll be working... ...and implementationWork with backend engineers to integrate APIs and build robust mobile solutionsDesign scalable frameworks...Senior
$145k - $160k
...Senior Software Engineer Full Description Role Summary We are seeking a highly skilled Senior Salesforce Developer to design, develop, and implement scalable, high-performance Salesforce solutions... ...robust integrations (REST/SOAP APIs, middleware) Optimize system...SeniorFull time- ...for people just like you. Join our team and help us develop game-changing, high-quality solutions.As a Senior Lead Software Engineer at JPMorganChase within... ...Python (workflows, validations, integrations with AWS APIs).Ensure secure-by-default designs (least-privilege...Senior
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior API Developer. Be the first to apply!
- senior developer Jersey City, NJ
- junior remote developer Jersey City, NJ
- postgresql developer Jersey City, NJ
- graphic programmer Jersey City, NJ
- aws developer Jersey City, NJ
- informatica etl developer Jersey City, NJ
- developer relations Jersey City, NJ
- remote magento developer Jersey City, NJ
- clinical sas programmer Jersey City, NJ
- etl developer Jersey City, NJ



