Senior api developer jobs

Englewood, Colorado

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Today

Senior API Developer (Python/Gunicorn) Onsite role in Soth Denver, open-ended consulting engagement Primary Responsibilities Design, develop, and support scalable REST APIs and microservices Build backend services using Python (Flask/Gunicorn) and Java Develop and maintain API integrations with internal and external systems Design and optimize data models across SQL and NoSQL databases Troubleshoot production issues and improve API performance, scalability, and reliability Participate in CI/CD,

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Contract

$55 - $64 per hour

Senior API Developer/ Security Engineer (Vulnerability / Remediation)

Atlanta, Georgia

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Today

The position is described below. If you want to apply, click the Apply Now button at the top or bottom of this page. After you click Apply Now and complete your application, you'll be invited to create a profile, which will let you see your application status and any communications. If you already have a profile with us, you can log in to check status. Need Help? If you have a disability and need assistance with the application, you can request a reasonable accommodation. Send an email to Acce

Full-time

Senior API Developer

Tacoma, Washington

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Today

Company Overview At ValidaTek, we modernize and optimize IT services to solve some of the most critical challenges facing federal civilian and defense agencies. From customers to partners to top-talent employees, ValidaTek puts people first, empowering them to exceed expectations and transform government organizations. Our employees are building purpose-driven careers, not just filling jobs. We bring together people with many different perspectives, experiences, and talents to drive innovation

Full-time

FircoSoft API Senior Developer

Remote

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Today

Job Description: Senior API Developer (FircoSoft & WorkFusion Integration Lead) Location : Remote Job Summary We are seeking a Senior API Developer with proven experience architecting and delivering critical financial crime compliance integrations. In this senior role, you will take technical ownership of designing, securing, and implementing real-time API layers that connect core processing systems with FircoSoft platforms (Trust and Continuity) and AI-driven automation via WorkFusion. As a sen

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Third Party, Contract

Depends on Experience

Senior Microservice Domain API Developer

Cleveland, Ohio

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Today

Job Description Lead the design, development, and maintenance of microservices using Python, FastAPI, GraphQL, and REST endpoints to meet business requirements. Provide strategic, technical, and operational expertise and leadership in support of business and technology transformational activities. Collaborate with architecture enablement teams to evaluate emerging technologies in support of systems development efforts that will increase efficiency and scalability. Perform technical feasibility

Full-time

USD 137,654.00 - 140,086.18 per year

Senior Developer, API Platforms

Cleveland, Ohio

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Today

Job Description Design, integration, and implementation of platforms in a service provider environment. Perform technical development, Object-Oriented Programming, Database Management, and API design, using modern development languages and technologies. Provide technical consulting to management, business users, and technical associates and works closely with other developers as a mentor and can operate with autonomy, and leadership beyond baseline experience. Provide input and direction to sol

Full-time

USD 133,060.20 - 133,060.20 per year

Senior Software Developer, API Platform and Ecosystem

San Francisco, California

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Today

MaintainX is a leading mobile-first work execution platform for industrial and frontline teams. More than 13,000 customers, including Duracell, McDonald's, Shell, DHL and Volvo, use MaintainX to cut unplanned downtime and run better operations, across 13.9 million managed assets and 79.5 million completed work orders. In August 2026 MaintainX became part of Autodesk, joining Autodesk Operations Solutions, the organization unifying Autodesk's operations platform alongside Tandem, FlexSim and Fus

Full-time

USD 143,000.00 - 248,600.00 per year

Senior API Integration Developer

Bloomington, Illinois

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Today

Experience more with a career at COUNTRY Financial! We're excited you're interested in a career at COUNTRY as we strive toward our vision - to enrich lives in the communities we serve. Our footprint spans coast to coast. But more important than where we operate, is the people who do the work. Apply today to help our organization grow and make a difference for our clients. About the role Senior Integration Developer (MuleSoft / Azure API Management) COUNTRY Financial is seeking a Senior Integr

Full-time

USD 113,200.00 - 155,650.00 per year

Lead API Developer

Hybrid in Pittsburgh, Pennsylvania

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Yesterday

Job Title: Lead API Developer Location: Pittsburgh, Pennsylvania, United States Type: Permanent Full Time Work Model: Hybrid onsite and remote Responsibilities Design, develop, and maintain high-performance APIs that power the system.Collaborate with cross-functional teams to understand requirements, architect solutions, and ensure scalability, reliability, and security of APIs.Mentor junior developers, lead technical discussions, and promote best practices and standards.Lead and manage a team

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Full-time

Depends on Experience

Lead API Developer

Hybrid in Pittsburgh, Pennsylvania

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Yesterday

Job Title: Lead API Developer Location: Pittsburgh, Pennsylvania Type: Permanent Full Time Responsibilities Lead the design, development, and maintenance of high-performance APIs and microservices.Collaborate with cross-functional teams to gather requirements, architect solutions, and ensure scalability, reliability, and security of APIs.Mentor junior developers, lead technical discussions, and promote best practices and standards.Develop and unit test Java-based RESTful services integrating wit

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Full-time

Depends on Experience

Application Developer (APIs, Events, Platform Engineering) :: Remote (Fulltime)

No location provided

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Today

We are seeking an experienced Application Developer (APIs, Events, Platform Engineering) to design, develop, and maintain scalable cloud-native applications and platform services on AWS. The ideal candidate will have strong expertise in Python, TypeScript, event-driven architectures, contract-first API development, platform engineering, and Infrastructure as Code (Terraform). This role requires hands-on experience building robust APIs, event-driven systems, authorization frameworks, and cloud-na

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Full-time

Lead API Developer with AI

Remote

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13d ago

Job Role - Lead API Developer with AI Location- Remote Hiring - Full-time Job Description-Experience building and consuming web services via SOAP and REST Expertise with continuous integration environments Experience with writing unit, integration, and Ul test cases Deep experience with responsive web design principles and cross device support Strong experience with Pivotal Cloud Foundry Knowledge in using Splunk for production support. Experience with Database Architecture, Modeling,

Full-time, Third Party

$120 - $130

Senior Java Developer – Telecom Quotation & Pricing Engine

Denver, Colorado

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Today

Job Title: Senior Java Developer Location: Denver, CO Meridian Office Work Model: Onsite/Hybrid Denver, CO Domain: Telecom Team: 5 Onshore + 1 Offshore Experience: 8+ Years Job SummaryWe are seeking an experienced Senior Java Developer with strong expertise in Java, Spring Boot, Microservices, REST APIs, Kafka, and enterprise application development to support a Telecom Quotation and Pricing Engine. The ideal candidate will have hands-on experience developing applications and services supporti

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Third Party, Contract

Depends on Experience

Senior Python Developer

Jersey City, New Jersey

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Today

job summary: - Position will be a Senior Python Developer who has experience working in Python, REST, ReactJS and Preferably experience working in Financial services within Global Markets. - 10yr+ Hands on Programming experience in any Object oriented language, Preferably Python - 7yr+ Experience as senior developer on Front office applications in Banking services, knowledge of Fixed Income products will big plus - 7yr+ Years of experience in Quantitative researcher and developer, ability to

Contract

USD55 - USD65

Software Developer - Senior

Austin, Texas

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Today

job summary: The Senior .NET/C# Developer, with skills equivalent to 6-10 years in a comparable position, will serve as a hands-on lead developer in a dynamic, fast-paced, and Agile environment. This role is a part of the Online Security Technologies team, responsible for designing, developing, and supporting a mission-critical Authentication platform. The responsibilities are divided into 50% design and 50% development, requiring the successful candidate to contribute both as a coder and syste

Contract

USD62 - USD65

Sr QMS Developer

Sunnyvale, California

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7d ago

Maxonic maintains a close and long-term relationship with our direct client. In support of their needs, we are looking for a Sr QMS Developer. Job Description: Job Title:Sr QMS Developer Job Type: Contract Job Location: Sunnyvale, CA Work Schedule: Onsite Pay Rate: $88, Based on experience Description: This is a software engineering role focused on building applications and AI capabilities for our regulated quality systems landscape. The person will design and develop Java-based applications,

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Contract

Depends on Experience

Senior Full Stack Developer

Charlotte, North Carolina

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Today

Job Title: Senior Full Stack Developer Location: Charlotte, NC (Hybrid, minimum 3 days onsite) Duration: Contract - 12 months Pay Range: $65/hr (W2) Job ID: 410449 About BCforward BCforward is a leading global IT consulting and workforce solutions firm providing services and support to Fortune 500 and government clients. Founded in 1998, BCforward has grown with our customers needs into a full-service business solutions provider. With delivery centers and offices across North America and In

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Contract

$60 - $65 per hour

Senior Full Stack Java Developer

Charlotte, North Carolina

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Today

Job Title: Senior Full Stack Java Developer / Application Modernization Engineer Location: Jersey City, NJ / Plano, TX / Charlotte, NC Duration: Contract - 12 months Pay Range: $68.25/hr (W2) Job ID: 410273 About BCforward BCforward is a leading global IT consulting and workforce solutions firm providing services and support to Fortune 500 and government clients. Founded in 1998, BCforward has grown with our customers needs into a full-service business solutions provider. With delivery cente

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Contract

$68.00 - $68.25 per hour

Senior Software Engineer - Java API developer

Pune, Maharashtra

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Today

About the Role We are seeking a highly skilled Senior Java API developer with experience in building high-performing, scalable, enterprise-grade backend systems in the digital advertising domain. In this role, you will design, develop, and optimize backend services powering Mobile Ad SDK systems and AI-driven products such as recommendation engines, monetization optimization platforms, and intelligent ad delivery systems. This role will be responsible for productionizing machine learning models,

Full-time

Sr. Application Developer - Web & API Development (.NET/Java Stack)

Oklahoma City, Oklahoma

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Yesterday

IntroductionThe Sr. Application Developer with experince of 8 to 14 yrs will be an integral part of our team, responsible for writing high-quality, maintainable, reusable, and secure code. They will collaborate with external teams to resolve complex system integration challenges, work closely with business stakeholders to design solutions, and contribute to technical designs in an Agile environment. ResponsibilitiesWrite high-quality, maintainable, and secure codeResolve complex system integrati

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Contract

Depends on Experience