API Developer Jobs in Missouri

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Java API Developer

Capital Staffing Solutions

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Remote

Contract

Java API Developer 6+ Month Contract REMOTE - EST Hours This position plays a pivotal role in driving the development and implementation of cutting-edge software solutions within our dynamic work environment. Key responsibilities include designing, coding, testing, and deploying high-quality software applications, leading and mentoring a team of engineers, and collaborating with cross-functional teams to ensure alignment with business goals and customer needs. The ideal candidate should possess
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Posted 1 day ago

API Developer

Sonata Software North America

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Remote

Contract

Hi All, Sonata Software is actively looking for an API Developer in Remote with our Direct End Customer in USA. Please review the detailed JD below and share with me your updated resume. Job Title: API Developer Duration: 6 Months Location: Remote in USA Experience: 6 to 10 Years Skills Required: 6+ years of experience in API development and systems integrationStrong experience with RESTful API design and best practices.Proficiency in one or more programming languages (e.g., Java, Python, Node
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Posted 11 days ago

IBM API Connect / IBM DataPower Developer

TalTeam

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Remote or Reston, Virginia, USA

Contract

PURPOSE: Performs complex analysis, design, development, testing, and debugging of computer software ranging from operating system architecture integration and software design to selection of computer systems, language, and/or equipment. Designs, develops/codes, tests, and documents critical and complex application programs for computer systems. Works with appropriate stakeholders to define system scope and objectives and establish baselines. Establishes project standards and processes. Breaks d
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Posted 9 days ago | Updated 1 day ago

Advanced Backend Python API Developer with Azure and Databricks.

Eliassen Group

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Anywhere, US

Contract

Description: *100% Remote role* We're recruiting an Advanced Backend Python Developer to create and implement APIs as well as robust data pipelines, API's, and scalable software solutions with best-practice data architectures. We want you to leverage your leading expertise in API Development and Data Engineering, software development, and cloud technologies to design and optimize the data infrastructure for a highly complex, employee-facing data and analytics web application. Team players only
Posted 58 days ago | Updated 1 hour ago

Lead Java/Spring Boot API Developer with Pro*C Exp

Ace Technologies, Inc.

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Remote

Third Party, Contract

Location : REMOTE Duration :12 months Responsibilities: Backend Development: Design, develop, and maintain robust, scalable APIs using Java and Spring Boot.Implement RESTful services to meet business requirements.Leverage Spring dependency injection.Integrate core Java solutions as backend dependencies when API s are not the ideal solutionLeverage existing legacy code as requirements.Code Quality and Testing: Produce clean, maintainable, and efficient code.Implement comprehensive JUnit tests and
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Posted 51 days ago | Updated 19 days ago

Web API Developer

Mass General Brigham

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Remote or Somerville, Massachusetts, USA

Full-time

Site: Mass General Brigham Incorporated At Mass General Brigham, we know it takes a surprising range of talented professionals to advance our mission-from doctors, nurses, business people and tech experts, to dedicated researchers and systems analysts. As a not-for-profit organization, Mass General Brigham is committed to supporting patient care, research, teaching, and service to the community. We place great value on being a diverse, equitable and inclusive organization as we aim to reflect t
Posted 40 days ago | Updated 1 hour ago

Senior Software Engineer, Fullstack (Developer - CDP API)

Coinbase

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Remote

Full-time

Ready to be pushed beyond what you think you're capable of? At Coinbase, our mission is to increase economic freedom in the world. It's a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform - and with it, the future global financial system. To achieve our mission, we're seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of crypto and blockchain technology to update the
Posted 2 days ago | Updated 1 hour ago

Application Developer (Axway API gatway)

KK Associates

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Remote or US

Contract

Title : Application Developer(Axway API Gateway) Location : Remote Duration : 12+ Months Job Description: Primary - Axway API gateway (Vordel), Web services, JSON, SOAP/REST API Secondary - Java, Spring, SQL, Microservices We seek a skilled Axway API Gateway Engineer to manage and optimize our enterprise API Gateway systems. Responsible for configuring and managing the day-to-day operations of the Axway API Gateways, monitoring the gateway performance, and troubleshooting any issues that a
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Posted 60+ days ago | Updated 23 hours ago

Database Developer IV Lead

Randstad Digital

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Remote or Madison, New Jersey, USA

Contract

job summary: We're hiring a Senior API Engineer (remote, contract-to-hire) to build cloud-native APIs using Node.js and AWS. You should be skilled in microservices, serverless, IaC, and CI/CD, with a strong understanding of networking and security. This role requires a self-starter who can design scalable solutions and has strong communication skills. location: Madison, New Jersey job type: Contract salary: $81 - 83 per hour work hours: 9am to 5pm education: Bachelors responsibilities: -
Posted 4 days ago | Updated 1 hour ago

C# .Net Developer with Machine learning--Remote

TechWish

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Remote

Contract

Job Title: C# .NET API Developer 100% Remote JD: Should have experience in .Net & backend development (including REST APIs) and ML/Machine learning applications with cloud AWS or AzureBachelor s degree in computer science, management information systems, or another related field.Must be able to demonstrate all technical capabilities.5+ years of experience developing complex software applications. 5+ years of analysis, design and coding with strong skills in all the following:C#/.NET 4.6C# .NET
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Posted 16 days ago

EDI Developer

Mastech Digital

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Remote or Texas City, Texas, USA

Contract

Mastech Digital provides digital and mainstream technology staff as well as Digital Transformation Services for all American Corporations. We are currently seeking an EDI Developer for our client in the Consulting domain. We value our professionals, providing comprehensive benefits and the opportunity for growth. This is a Contract position, and the client is looking for someone to start immediately. Duration: 6+ Months Contract Location: Remote Salary: $65.00-$70.00/Hourly Role: EDI Developer P
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Posted 60+ days ago | Updated 1 hour ago

API Gateway Engineer - API, Java, Spring Boot

M&T BANK CORPORATION

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Remote or Buffalo, New York, USA

Full-time

This role follows a hybrid work schedule; offering the flexibility to work remotely two days a week, while providing the opportunity for onsite and in person collaboration the other three days. Overview: Are you ready to be at the forefront of banking technology? Join M&T Bank as a key member of our development team to enable bank-wide capabilities and securely host APIs. As a pivotal team member, you will help define the direction of our API ecosystem, ensuring both security and alignment with
Posted 7 days ago | Updated 1 hour ago

Software Engineer - API Development

Xylo Technologies, Inc.

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Remote

Contract

Candidates need work only on W2 for this job Title: Software Engineer Duration: Until 12/31/2025 Client: Mayo Clinic Req ID: 36014839 RemoteRequirements: 5+ years experience building distributed software systems with n-tier architectures.Should have an expert level of experience in one of the following and be proficient in all: API development with Python, Node, Java, or .Net.Frontend development with ReactJS, JavaScript, HTML/CSS.Operations integration with reporting and performance tools.Expe
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Posted 3 days ago

Senior C++ Windows Engineer (Windows API)

GlobalLogic Inc.

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Remote

Full-time

Job Description: Good theoretical and practical knowledge of C++ and STLExperience with complex SW multi-threaded environmentsExperience in development for Windows(compilers, linkers, build systems, debuggers), knowledge of WinAPIExperience with Windows Internals or kernel development (software driver level, not embedded)Knowledge of the BLE protocol and stackDebugging techniquesCapable of independently taking a feature through the entire development cycle while cooperating with multiple teams.
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Posted 3 days ago

Azure / API Solution Architect

Amtex Enterprises

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Remote

Contract, Third Party

Azure/API Solution Architect Durtaion: 6+ Months Rate: $55/hr on W2 or $65/hr on C2C or 1099 Location: US Remote (Preferred Hartford CT) Required Skills: API-first centric enterprise Azure cloud (compute), Google Cloud Platform (big data), some AWS (digital experience) Salesforce Service Cloud for user experience (GPS and some MX) Significant experience with systems integration. Experience with the design and development of complex systems; employs a disciplined and rigorous approach Adept at r
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Posted 3 days ago

Technical Project Manager - E-Commerce/EDI/API/Data - Remote - Contract - W2 only

Stafford Technology

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Remote

Contract

Job Title: Technical Project Manager (E-Commerce, API, Data Integration, EDI) Overview: We're looking for a Technical Project Manager to lead projects focused on E-Commerce, API development, data integration, and EDI. This role requires a strong technical foundation and excellent project leadership skills to drive cross-functional initiatives from start to finish. This job is mostly remote with 1-2 trips per year to Columbus, OH for training and team activities. Pay range is $55-70 per hour. Ke
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Posted 3 days ago

SDET - API/ Jenkins / Cucumber

Brain Bolt Consulting

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St. Louis, Missouri, USA

Contract

Role & Responsibilities: Write and own technical test design and execution as a member of an Agile-based Scrum team with an emphasis on automation, tooling, and scripting skills. Work closely with developers throughout the sprint cycle to ensure that we deliver only high-quality features. A proactive attitude and the knowledge and ability to help influence and shape the QA process to drive the team to release the best possible product. Be able and willing to take an innovative approach toward
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Posted 31 days ago

W2 - (6) - S/w Engineer (n-tier architectures, API, Python, Node, Java/.Net, ReactJS, JavaScript, HTML/CSS) - Remote

Tanson Corp

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Remote or Minnesota, USA

Contract

Duties: Requirements: 5+ years experience building distributed software systems with n-tier architectures. Should have an expert level of experience in one of the following and be proficient in all: API development with Python, Node, Java, or .Net. Frontend development with ReactJS, JavaScript, HTML/CSS. Operations integration with reporting and performance tools. Experience with cloud-based deployment environments. SEE SCHEDULE NOTES FOR SCOPE OF WORK Position Overview: (Major Functions an
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Posted 3 days ago | Updated 1 day ago

API Solutions Architect

Edward Jones

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St. Louis, Missouri, USA

Full-time

Innovate here. And see your ideas come to life. It's an exciting time to work in tech at Edward Jones. We are making massive investments in emerging technologies to improve how we work with our clients and with each other. Relationships are the focus of our business model. And working in Technology here means using your skills to build, deliver and maintain the technologies that enable us to deepen and support those relationships. The best part? We develop and create our own industry-leading so
Posted 36 days ago | Updated 16 hours ago

Role :: Cloud Solution Architect II Strong AWS and AWS API Gateway - Urgent Required

HSK Technologies, Inc.

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Remote

Contract, Third Party

Role :: Cloud Solution Architect II AWS Location :: Richmond VA( Remote ) Duration :: Long term DBHDS - Cloud Solution Architect -Data Services Focused **Hands-on is a must **willing to convert to full time in future. No guarantees **Duration: Depends on the work needed (best info I have). Current PO goes to 6/30/25 w/extension possible 100% Remote **Must adhere to EST Hours during the week ABOUT THE ROLE The Department of Behavioral Health and Developmental Services (DBHDS) is seeking a highl
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Posted 8 days ago