Backend Developer Jobs in Missouri

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Backend Java Developer

Reveille Technologies

•

Remote

Full-time

Job Description Bachelor s Degree in Computer Science or a related field.7+ years of software development experience, ideally on a modern tech stack.Strong backend development experience with Java or Scala (2+ years minimum; Kotlin preferred).Experience with relational databases and ORMs (PostgreSQL preferred).Expertise in microservices or service-oriented architecture (SOA).Hands-on experience in cloud-native environments, preferably Kubernetes.Ability to work in a collaborative coding environm
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Posted 2 hours ago

Back End Java Developer (Remote)

ConsultNet, LLC

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Remote or Fargo, North Dakota, USA

Full-time

Back End Java Developer (Remote) 6-month Contract to hire rate $50.00 to $65.00 per hour. Salary Expectation $100k to $130k Job Description Our client is seeking a Java Developer to help build their custom application. The primary function of this position is to implement innovative solutions, designs and enhancements across web and mobile experiences. This individual will participate in all phases of the SDLC, including functional analysis, and provide both technical and team leadership throug
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Posted 5 days ago | Updated 2 hours ago

Java Backend Application Senior Developer - C14 - JERSEY CITY

Citi

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Remote or Jersey City, New Jersey, USA

Full-time

Job Description The Account Master Central (AMC) team within Institutional Service Group (ISG) is seeking a Senior Java Backend Lead Developer to join our engineering team in NJ. Potential candidates MUST have experience with and are enthusiastic about developing all areas of middle-tier and back-end system programming. The responsibilities of this position include but are not limited to: writing large scale Java programs in pure core Java to facilitate both batch and real-time processing. All p
Posted 1 day ago | Updated 3 hours ago

Backend Java Developer (Apps Dev Tech Lead Analyst - C13 )- IRVING

Citi

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Remote or Irving, Texas, USA

Full-time

The Applications Development Technology Lead Analyst is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to lead applications systems analysis and programming activities. Responsibilities: Partner with multiple management teams to ensure appropriate integration of functions to meet goals as well as identify and define necessary system enhancements
Posted 21 days ago | Updated 3 hours ago

Advanced Backend Python API Developer with Azure and Databricks.

Eliassen Group

•

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 53 days ago | Updated 2 hours ago

.Net Developer with Front end, Backend, API and Angular 19 experiences - Remote

Keylent

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Remote

Third Party, Contract

API Developer (.NET Core 8/9) Job Summary We are seeking an API Developer (.NET Core 8/9) to join our development team and drive the creation of robust, scalable microservices and APIs. In this role, you will design and implement back-end services that are critical to our platform s success, ensuring they are secure, high performance, and maintainable. You will collaborate with cross-functional teams (product, front end, DevOps) to deliver new features and improve existing systems. This positio
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Posted 8 hours ago

Backend Software Engineer

Bayside Solutions

•

Remote

Contract

Backend Software Engineer W2 Contract Salary Range: $114,400 - $135,200 per year Location: Austin, TX - Remote Role Requirements and Qualifications: 3-4+ years of backend development experience in Python and/or Java Proven track record of building platforms or adding features to backend services Experience developing large-scale web applications or platforms that serve other teams (e.g., REST services, backend architecture). Bachelor's degree in Computer Science Preferred Qualifications: Ex
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Posted 6 days ago | Updated 3 hours ago

Backend Software Engineer, ML

Bayside Solutions

•

Remote

Contract

Backend Software Engineer, ML W2 Contract Salary Range: $135,200 - $156,000 per year Location: Remote Role - PST Job Summary: As a Backend Software Engineer, you will work with the engineering team, EPM, and customers to support customer migration to next-generation services that generate, manage, and consume datasets, features, and embeddings used for ML training. You will utilize tooling to migrate data and work with customers to change their Python clients to start using the new SDK. Thi
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Posted 19 days ago | Updated 3 hours ago

Java Backend Engineer

Econvergence

•

O'Fallon, Missouri, USA

Full-time

An ideal candidate for this role would have extensive experience in Java development and be well-versed in cloud-native applications, microservices, and a modern technology stack. Here s a breakdown of the perfect candidate profile: Java Expertise: Has at least 8+ years of hands-on Java development experience, specifically in J2EE (Java 2 Platform, Enterprise Edition). This extensive experience implies that the candidate is proficient in enterprise-grade Java applications, design patterns, and p
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Posted 9 hours ago

Senior Java Software Engineer- full stack development

Econvergence

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Remote

Full-time

About the job The Role We are seeking a Senior Software Engineer to play a pivotal role in our Money product architecture transformation. This includes evolving our banking core, implementing enhanced account structures, and preparing for new financial products like CDs. You will be responsible for maturing central member-facing services, focusing on entitlements, permissions, and data management to support integrated product offerings. You ll work in a highly collaborative environment, where p
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Posted 5 days ago

Senior Vue.js Developer - Remote / Telecommute

Cynet Systems

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Remote or Charlotte, North Carolina, USA

Contract

Job Description: Responsibilities: Develop, optimize, and maintain web applications using Vue.js and related technologies. Implement responsive and user-friendly UI components using HTML, CSS, and JavaScript. Lead architecture discussions and make technical decisions for front-end development. CollaboXX with backend developers, UI/UX designers, and product managers to ensure seamless integration. Write clean, efficient, and maintainable code following best practices and coding standards. Trouble
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Posted 5 hours ago | Updated moments ago

Sr Java Backend Developer- Mastercard - St Louis, MO (Onsite from day 1)

Maintec Technologies Inc

•

St. Louis, Missouri, USA

Third Party

Sr Java Backend Developer #C2C Mastercard St Louis, MO (Onsite from day 1) submit to Requirement: Strong Java developer with very good understanding of micro services. Grasp of software engineering skills in modular design, data structures, algorithms Deep knowledge and hands on experience with modern applications like spring boot, Angular. Experience building and operating critical production systems Solid understanding of modern API design and Restful principles Fluent with git (preferred) o
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Posted 60+ days ago | Updated 1 hour ago

Backend Python Engineer (REMOTE)(No C2C/H1B)

NetSource, Inc.

•

Remote

Contract

No C2C/H1B Remote, preference in the LA area to come into the occasional in person meetings. Please note that this is a 4-month contract position. Tech Stack / Tools: Python (NumPy, Pandas, SciPy) SQL (PostgreSQL or MySQL preferred) Github Jupyter notebook Experience with production systems and deployment environments Requirements: 3+ years of experience in backend development using Python in a production environment. Must know be proficient in NumPy, Pandas, SciPy, and Object-Oriented Progra
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Posted 7 days ago | Updated 5 hours ago

Senior Artificial Intelligence Test Engineer

iSpace, Inc

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Remote

Contract

Senior Artificial Intelligence Test Engineer Location: Hybrid of 3 days/month onsite during the 2 nd full week of each month in either Denver, CO/Brentwood, TN/Malvern, PA or 100% remote with travel 2-3 times/year (if remote) Duration - 3 6-month Contract to Hire Opportunity Working Hours Mon-Fri, from 8AM 5PM EST This is an exciting opportunity to join a new team that will be supporting the testing efforts for AI products within an industry leading healthcare organization. This team will be s
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Posted 35 days ago | Updated 4 hours ago

Senior Software Engineer (Backend) - Materia AI

Thomson Reuters U.S. Inc.

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Remote or Eagan, Minnesota, USA

Full-time

Senior Backend Engineer, Materia AI Are you excited about building AI-driven software that redefines how professionals work? Join a dynamic and highly skilled team at Thomson Reuters, where we combine the agility and innovation of a startup with the stability and resources of a global leader. As a Senior Backend Engineer, you will play a pivotal role in developing AI-powered systems that enhance accounting workflows through automation, intelligence, and seamless orchestration. About the Role:
Posted 60+ days ago | Updated 3 hours ago

Lead Software Engineer (Backend) - Materia AI

Thomson Reuters U.S. Inc.

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Remote or Eagan, Minnesota, USA

Full-time

Lead Backend Engineer, Materia AI Are you excited about building AI-driven software that redefines how professionals work? Join a dynamic and highly skilled team at Thomson Reuters, where we combine the agility and innovation of a startup with the stability and resources of a global leader. As a Lead Backend Engineer, you will play a pivotal role in developing AI-powered systems that enhance accounting workflows through automation, intelligence, and seamless orchestration. About the Role: In t
Posted 60+ days ago | Updated 3 hours ago

Senior Cloud Developer (AWS)- Remote (Future Opportunity)

ICF

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Remote or Reston, Virginia, USA

Full-time

*We are open to supporting 100% remote work anywhere within the US* * This role is part of our talent pipeline, and while there may not be an immediate opening, we are proactively connecting with qualified candidates for future opportunities* We're seeking a talented Cloud backend developer to join our dynamic team. As a key member of our engineering department, you'll play a pivotal role in designing, developing, and maintaining robust backend applications and services. Responsibilities: Des
Posted 43 days ago | Updated 3 hours ago

Senior JavaScript Developer

Randstad - Torc

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Remote

Contract

We are looking for a Senior JavaScript Developer to join our dynamic team. As a key contributor, you will be responsible for designing, developing, and maintaining scalable and high-performance web applications. You will work with modern frameworks, APIs, and cloud-based services to deliver top-tier software solutions. ResponsibilitiesDesign, develop, and optimize web applications using JavaScript, TypeScript, and modern frameworks (React, Angular, Vue.js).Build and maintain scalable, reusable,
Posted 41 days ago | Updated 4 days ago

Senior Mobile Engineer

IDR, Inc.

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Remote

Contract

IDR is seeking a Senior Mobile App Engineer to join one of the fastest growing healthtech startups in the country,remotely. This is a unique opportunity to work with a mission-driven team using cutting-edge technology to transform preventive healthcare at scale. If you're passionate about innovation, health optimization, and building high-impact mobile experiences, please apply today! Position Overview: Lead and contribute to the design, development, and deployment of cutting-edge mobile appli
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Posted 20 days ago | Updated 19 days ago

Backend JAVA Engineer (REMOTE- EST Timezone)(No C2C/H1B)

NetSource, Inc.

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Remote

Contract

No C2C/H1B Java backend development experience is a must; all others will be rejected. Network programming techniques (SMP, TCP/IP, Sockets) is a must. Please note that this is a 6-month contract position with possibility to extend. A coding exercise to validate technical skills will be on the 1st interview with client.Remote Work Considerations: While we prefer candidates to work onsite, we are open to remote candidates as long as they can commit to core working hours in US Eastern Time.Locati
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Posted 5 days ago | Updated 5 hours ago