back end developer jobs in st. louis, mo

St. Louis, Missouri

•

Today

RESPONSIBILITIES: Kforce has a client that is seeking a Back End Developer in Saint Louis, MO. Duties Include: * Develop and maintain back-end services and REST APIs using C# and .NET Core * Knowledge of MVC and microservice architectural pattern * Understanding of agile development methodologies * Expertise in Data structure in C#.net (List, Dictionaries, hash) * Knowledge of integration with Oracle Fusion/OIC and other enterprise systems will be add-on * Maintain scalability, performance, and

Contract

$50 - $70 hourly

Senior Back-End Developer

Remote

•

Today

Description & Requirements Maximus is seeking a Senior Back-End Developer to join our team! The Senior Back-End Developer provides subject matter proficiency for work described in the task. Responsible for providing analytical skills to support process improvement, specialized studies, and definition of requirements. Typical duties include analysis, planning, developing requirements documents, building functional models, developing procedures, developing functional architectures, and other relat

Full-time

USD 145,000.00 per year

Senior Back End Developer

Remote

•

Today

Description & Requirements Maximus is a trusted federal partner supporting mission-critical programs across national security, defense, and public service delivery. Recent contract awards in cybersecurity and operational readiness underscore Maximus' role as a reliable prime for high-impact government missions. Joining Maximus means contributing to meaningful work in fast-paced environments alongside professionals committed to service, accountability, and results. This position is contingent up

Full-time

USD 125,000.00 per year

Back-End and Application Programming Developer

St. Louis, Missouri

•

Today

Location: St. Louis, MO Salary: $65.00 USD Hourly - $75.00 USD Hourly Description: Back-End & API Developer (C# / .NET Core) Location: Onsite - MSD, 2350 Market Street, St. Louis, MO Anticipated Start Date: April 3, 2026 Contract Duration: 6 months (with option to extend) Overview The project has completed its planning and design phases and will move into Agile delivery starting November 2025, with execution continuing through December 2026. Our client is using a hybrid staffing model, wh

Contract

USD 65.00 - 75.00 per hour

Senior Back-End Developer

Remote

•

Today

Full-time

USD 145,000.00 per year

Back End Developer - Mid-level

Remote

•

Today

Full-time

USD 100,000.00 per year

Lead Backend Developer (Microservices)

Remote

•

Today

We are seeking a solution-minded Lead Backend Developer to spearhead one of our development streams for an entitlement service built on a microservices architecture. Experience the freedom of remote work from anywhere in Georgia, whether from the comfort of your home, our modern offices in Tbilisi and Batumi or a coworking space in Kutaisi. Responsibilities Lead and mentor a team of developers, ensuring high-quality deliverablesDesign, develop, and optimize scalable backend systems using micro

Full-time

Subsurface Backend Developer

Remote

•

30+d ago

Project Description: One of the world's leading providers of products and services to the global energy industry. With a presence in more than 70 countries and 130 nationalities represented in our workforce, we are one of the world's most diverse companies. This allows us to offer multiple career paths, best-in-class training, and world-class benefits. Our product provides E&P professionals with software-driven lifecycle insights that generate new ideas, actions, and results to maximize asset va

Easy Apply

Full-time

Depends on Experience

Golang Backend Developer

Remote

•

Yesterday

Role: Backend Developer (Golang, Java / Python) Employment Type: Contractor W2 Location: Remote EST/CST Candidate must be Job Type: W2 only Job Summary We are seeking a skilled Backend Developer with strong proficiency in Golang, Java and Python to design, develop, and maintain scalable, high performance backend systems. The ideal candidate will collaborate closely with product, frontend, DevOps, and QA teams to build secure, resilient, and cloud ready services that support mission critical ap

Easy Apply

Contract

55 - 60

Sr Backend Developer

Remote

•

7d ago

BDR Solutions, LLC, (BDR) supports the U.S. Federal Government in successfully achieving its mission and goals. Our service and solution delivery starts with understanding each clients end-state, and then seamlessly integrating within each Agencys organization to improve and enhance business and technical operations and deployments. BDR is seeking a Sr. Back-End Developer to join our growing team! This position will be performed virtually from the individuals home office working on EST time sche

Easy Apply

Full-time

135000 - 150,000

Mobile Device Management (MDM) Backend Developer

Remote

•

13d ago

Role :: Mobile Device Management (MDM) Backend Developer Location :: Milford, OH / Remote Type :: Fulltime Job Description Must Have Technical/Functional Skills 1. MDM platform and is expected to be proficient with industry standard systems.This includes configuring, deploying, and managing Android mobile devices and applications 2. Hands-on expertise with Google Android Management API (AMAPI) 3. Deep understanding of Google Android Enterprise framework 4. Strong experience developing or ma

Easy Apply

Full-time

Depends on Experience

Backend Developer

Remote or New Jersey

•

Today

Job Title: Backend Developer Location: Remote Job Type: Full Time Responsibilities: Design, develop, and maintain backend services using .NET / .NET Core Developing and maintaining all server-side components Build and expose RESTful APIs for frontend and third-party integrations Implement business logic, validations, and data processing layers Handle exception management, logging, and monitoring Ensuring optimal performance of the central database and responsiveness to front-end requests Collab

Easy Apply

Full-time

$$140k

Backend Golang Developer (Healthcare Domain) | USC/

Remote

•

8d ago

Location: Remote Duration: 12 Months (Contract-to-Hire Full-Time conversion after 6 months) Must attend In-Person Final Interview (Chicago, IL / Cleveland, OH / Houston, TX) Must be open to working on W2 after 6 months (Client Full-Time Conversion) Project Overview:Client is a healthcare technology company providing hi-tech home healthcare nursing services. You will be working on a revenue-generating product platform involving migration from Java Spring Boot to Golang, with a strong backend

Easy Apply

Full-time

Depends on Experience

Java backend developer - Initially Remote - CTH

Remote or Hybrid in Bentonville, Arkansas

•

7d ago

Focus: Primarily backend development in Java Spring BootExposure to frontend (React Native) is a bonus but not requiredQualifications: Solid backend engineering and coding fundamentalsExperience building APIs, microservices, and distributed systemsAbility to collaborate within cross-functional teams

Easy Apply

Contract

Depends on Experience

Lead Backend Developer (.NET) with Spanish/Portuguese

Remote or Hybrid in Dallas, Texas

•

30+d ago

Andersen is hiring aLead Backend Developer (.NET) with Spanish/Portugueseto design APIs and integration architecture, ensuring seamless claims processing and reliable data exchange in insurance systems. The customeris a large international organization operating in the insurance and risk protection domain, providing a wide range of services for both individual and corporate clients. The customer has a strong global presence, delivers diversified insurance solutions across multiple lines of busin

Easy Apply

Contract

Depends on Experience

Java Back End Developer

Remote

•

30+d ago

Position Java Developer Location Remote Duration Long Term Contract (1099/Corp-Corp) 0pt; font-family: ''Arial'',sans-serif; mso-fareast-font-family: ''Times New Roman''; mso-font-kerning: 0pt; mso-ligatures: none;"> Skills: Java, J2EE, JSF, Spring Boot, Microservices, Angular, AWS, REST, SOAP, Docker, Jenkins, Git, Oracle, SQL, Agile Job Description: Seeking an experienced Java Developer to design and develop enterprise web applications using Java/J2EE, JSF, Spring Boot, and Angular. Respons

Easy Apply

Contract

60 - 65

Artificial Intelligence Senior DevOps Engineering Lead & Backend Developer

Remote or Tampa, Florida

•

Today

We are seeking a highly skilled and experienced AI Senior DevOps Engineering Lead & Backend Developer to manage and optimize the infrastructure supporting our innovative GenAI HR application. This role requires deep expertise in DevOps practices, particularly with Kubernetes and OpenShift platforms, alongside strong capabilities in backend development using Python and Node.js. Responsibilities: Lead the design, deployment, and management of application infrastructure hosted on internal cloud en

Full-time

USD 113,840.00 - 170,760.00 per year

Backend Developer Lead - Vice President

Remote or Irving, Texas

•

Today

Role Overview: The Staff Engineer is a highly experienced individual contributor within Banking technology division. This role is responsible for driving engineering excellence through hands-on technical contributions, setting high technical standards by example, and delivering robust, scalable, and secure middleware platforms. The Principal Engineer will apply innovative modern software engineering practices (DevSecOps, SRE) to solve complex business challenges, directly contributing to Citi's

Full-time

USD 125,760.00 - 188,640.00 per year

Java Backend Developer - Associate Vice President

Remote or Irving, Texas

•

Today

We are seeking a highly skilled and experienced Java Backend Developer to join our team, focusing on building robust and scalable data processing applications. The ideal candidate will have a strong foundation in Java development, expertise in Spring frameworks, and a deep understanding of data management principles. Responsibilities: Design, develop, and maintain high-performance backend services for data processing applications.Implement efficient data processing architecture with scalable so

Full-time

USD 107,120.00 - 160,680.00 per year

Java Backend Developer - Vice President

Remote or Tampa, Florida

•

Today

We are seeking a highly motivated and skilled Java 17+ Application Backend Developer to join our team as an Individual Contributor in Tampa, FL. The ideal candidate will be responsible for designing, developing, and maintaining high-performance, scalable, and robust backend data processing applications. This role requires a strong understanding of modern Java development practices, data processing, and CI/CD principles. Responsibilities Design, develop, and implement backend services and APIs u

Full-time

USD 113,840.00 - 170,760.00 per year

Filter Results

Job post features

Posted date

Work settings

Employment type

Distance

Employer type

Work authorization

back end developer jobs in St. Louis, MO, USA