Developer - API
Robert Half
We are looking for an experienced Software Developer to support innovative digital solutions within the financial services sector in North Carolina. This is an onsite role with some hybrid opportunities. This Long-term Contract opportunity is suited for a detail-oriented individual who can translate business and design concepts into high-performing web applications, responsive interfaces, and scalable API-driven experiences. The role requires close collaboration with cross-functional teams in an Agile environment to deliver reliable, user-focused solutions that meet modern web standards. Must have notable work experience with object-oriented programming using languages such as Java, C#, PHP, or Ruby, along with relational database design and query development.Responsibilities:• Design, build, and enhance web applications and API-connected digital experiences that improve user engagement and overall site performance.• Partner with design, development, and business teams to turn concepts into responsive, accessible, and functional web solutions across desktop and mobile platforms.• Apply current standards for browser compatibility, page speed, and search visibility to ensure consistent performance across environments.• Contribute to interactive features such as collaboration tools, mobile capabilities, dynamic forms, and social media integrations where needed.• Work closely with quality assurance teams to validate functionality, resolve defects, and deliver high-quality releases with strong quality outcomes.• Evaluate technical options, conduct benefit analysis for proposed solutions, and recommend approaches that align with long-term technology goals.• Share subject matter guidance on web development best practices, governance standards, and emerging technologies with team members and stakeholders.• Participate in Agile/Scrum ceremonies and maintain effective delivery within a complex technical environment serving diverse user needs.• Provide team support through mentoring, assigned supervision, and involvement in hiring or performance feedback activities when requested.
$153k - $204k
...in March 2025. Learn more at .What You'll Do:The Cloud Platform API team builds the API platform and the tooling that every other engineering... ...other teams depend on, and raise the quality bar for the developer experience across that whole surface. Because this team is...SuggestedPermanent employmentFull timeContract workTemporary workCasual workWork at officeFlexible hours$160k - $200k
..., Nayya is ushering in the future of health and wealth for all.About the teamThe API Platform team builds the foundation everything else at Nayya runs on, the APIs, services, and developer tools that power our products and our partner integrations. When a carrier sends...SuggestedWork at office$100k - $167.5k
...technical role and spans XML messaging, Charles River web services API, ETL tool usage, Java and/or C# programming, and database... ...technical initiatives, potentially on multiple tasks simultaneously.Develop with a result-driven approach while maintaining tight schedules....SuggestedFull timeTemporary workWork at officeRemote workFlexible hours$164.45k - $234.93k
...understanding of platform and distributed systems, and experience building APIs or services that operate at scale. Full stack experience is a... ...and tech stacks. You are comfortable using AI-powered developer tools such as Claude as a core part of your development...SuggestedFull timeWork from homeFlexible hours- ...About the Team OpenAI's API Platform organization builds the products and infrastructure that help first-party and third-party developers build with OpenAI models. We ship the API primitives, tools, SDKs, documentation, playgrounds, and platform experiences that make...SuggestedInternship
$388k
...RoleAs a Software Engineer on the Ads Identity, Signals and Audiences team, you will be instrumental in designing and developing Netflix Conversion APIs. These APIs are essential for powering critical Measurement, Optimization, Retargeting and Reporting capabilities....Hourly payFull timeImmediate startFlexible hours$10k
...directly shape how companies move and manage billions, Ramp is the place to do it.About the RoleRamp's Dev API team builds the programmatic surfaces that let developers and AI agents read from and write to Ramp. We are an AI-focused platform team making it trivially easy...Full timeWork at officeHome officeFlexible hours- ...over 300 million users and 200,000+ businesses globally.You will join the API Core team. For us, the API is the product. We are the bridge connecting DeepL's bleeding-edge AI capabilities to developers worldwide. We focus on Developer Experience (DevEx), API platform...Contract workWork at officeLocal areaWork from homeWorldwideFlexible hoursShift work
$500 per month
...institutions across 40 countries with our institutional-grade APIs. This includes broker-dealers, investment advisors, wealth managers... ...a vibrant community, continuously enhancing our award-winning, developer-friendly API and the robust infrastructure behind it. Alpaca...Remote workHome office- About the TeamAPI Frontiers turns OpenAI’s frontier models into production APIs that developers can use to build reliable products and agents. We own the core path connecting models to developers through the Responses API, with a focus on safety, reliability, and speed...
- ...Responsibilities Build developer experience features including self-service flows, onboarding experiences, and configuration interfaces for DeepL APIs. Implement reusable platform components and contribute to API documentation, client libraries, SDKs, and starter...Full timeWork at officeFlexible hours
- We are looking for an experienced Developer - API to support the delivery of modern applications within the financial services industry in North Carolina. This is an onsite role with some Hybrid. This Long-term Contract position focuses on building reliable backend services...Long term contract
$190k - $210k
...agents. We are hiring a Senior Software Engineer to lead the technical work and be the primary hands-on builder for the ResortPass API. In your first year, multiple distribution partners and an authorized AI agent should complete real bookings through the same...Full timeNight shift- ...Java Expert, API Developer Location: New York (Hybrid 2-3 days onsite) Duration: Contract Rate: DOE US Citizens, GC holders preferred, NO third party corp to corp accepted for this job Skills: Proficiency in Java/Scala. Hands-on experience with...Contract work
$151.43k - $254.38k
...for our Consulting practice. Responsibilities Design and develop scalable Salesforce solutions, with a focus on Health Cloud... ...and escalation paths using Agentforce Builder, Flow, Apex, and APIs, and develop and test Prompt Builder templates and grounded AI experiences...Full timeH1bLocal area- ...emphasizing resiliency, security, and reliabilityBuild and maintain secure Java (Java 17+) and Spring Boot services, including RESTful APIs, with strong code review and debuggingImplement Infrastructure-as-Code / Everything-as-Code using Terraform, including secure...Work at office
$148.03k - $222.04k
...distributed systems. Those in turn require elegant and thoughtfully designed API contracts to configure the systems accessible to both our team and our customers. We are looking for a Sr Backend Python Developer to join our team. You will be responsible for planning and...Full timeNight shiftWeekend work$125.44k - $188.16k
...DSP digital real-time bidding campaigns. The App team focuses on APIs, support tools, and ad serving systems, supporting FreeWheel... ...programmatic advertising operations.We are seeking a Backend Python Developer to join our team. You will design, develop, and integrate...Full timeNight shiftWeekend work$190k - $230k
...maintain and build relationships, maintaining a commercial approach. Develop strong relationships with clients as a strategic partner and... ...solutions, managing integrations with third party services and APIs, and deploying applications into production. Experience managing...Full timeTemporary workImmediate start- ...foundational shared systems inside the Platform organization.What you will doOwn the design and implementation of core backend services and APIs that power critical product capabilities and complex business logic.Ensure all systems are built for high-volume scale, reliability,...Work at office3 days per week
- ...foundational shared systems inside the Platform organization.What you will doDesign, implement, and test reliable backend services and APIs that power core product features and business logic at scale.Work across key technical domains, including API design, data modeling,...Work at office3 days per week
- ...applications, integrate AI-powered capabilities, and guide a team of developers. This is a permanent opportunity to shape modern, scalable... ....ASP.NET Core / .NET 6+ / C# - Build scalable, secure RESTful APIs and microservices that underpin critical business applications....Permanent employment
- ...and work with our Firm’s top technical minds on a product team developing an AI Platform that will enable next-generation client services... ...looking for Full Stack Engineer with expertise in Python, agents, API development, LLMs and familiarity with database and cloud...ApprenticeshipEasy work
$134.5k - $265.1k
...engagement success.Drive end-to-end sales and delivery support by developing demos/POCs, contributing to proposals and orals, articulating... ..., and PeopleSoft through Oracle Integration Cloud (OIC), REST APIs, Business Events, Visual Builder, Process Automation, and custom...Local area- ...talented Team.Role SummaryWe are seeking a skilled Java Full Stack Developer with strong experience in React and Python to support the... ...Java, Spring Boot, React, and Python.Build backend services, REST APIs, and integration components to support entitlement workflows,...
$168k - $204k
...implementation of backend services and pipelines supporting contextual and audience targeting, taxonomy creation, and data ingestion.Architect APIs, data models, and streaming workflows for real-time classification, recommendations, and audience insights.Build and maintain Python...Work experience placementWork at office$140k - $215k
...established. What You’ll Do:Work on building a platform that powers developing and running data connectors at scale with quality. Build... ...data connectors such as file ingestion framework, websocket, Rest APIs that can process large amounts of data with low...Full timeWork experience placementWork at officeLocal area$200k - $240k
...DescriptionWe are seeking an exceptional Vice President, Web UI/UX & BI Developer to lead the user experience strategy for our data analytics and... ...opportunities Partner with backend teams to optimize APIs for analytics queries Security, Compliance & Data Governance Implement...Full timeTemporary workWork experience placementFlexible hours$101.1k - $134.3k
...side features using Windows Server, SQL server, IIS, .NET, and C#. Develop web services supporting game console clients, browser clients,... ...of OO design patterns and concepts. Experience with API design and development. Knowledge of web service scalability, performance...Full timeWork at officeWorldwide$142.32k - $213.48k
...a highly experienced, deeply hands-on Team Lead- Java Back-End Developer to drive day-to-day engineering execution on the Digital Assets... ...detailed, implementable technical designs (class/module structures, API contracts, data models, sequence flows, error handling strategy)...Full timeContract work
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