back end developer Jobs in missouri

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React Developer

Stellar IT Solutions

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Remote or Ann Arbor, Michigan, USA

Full-time, Part-time, Contract, Third Party

Job Title: React Developer Location: Remote Job Duration: 6+ Months Interview: Video Job Description: We are seeking a Mid to Senior-Level React Developer to support a legacy application modernization project. The role involves rewriting components of an existing WebForms application into a modern tech stack using React with TypeScript and a .NET Core API. The ideal candidate will be comfortable navigating legacy code and helping transition to the new architecture, with a strong focus on fro
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Posted 5 days ago | Updated 3 hours ago

Golang -Backend Engineer

SES

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Remote

Contract

Top 5 Technical Skills: Experience using the following Tech Stacks: Golang; Python; and NodeJSUnderstanding of cryptography, consensus algorithms, and other core concepts of blockchain technologyFamiliarity with Private Blockchain as well as Public platforms such as Ethereum, Hyperledger, and/or CordaTop 3 Soft Skills: Outstanding CommunicationsCollaborationProven ability to work with Vendors and External PartnersJob Description: The Backend Engineer is responsible for the development and implem
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Posted 20 hours ago

Backend Engineer (Python)

LanceSoft Inc.

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Remote

Contract

Key Requirements: Experience:4+ years of software development experience. If more experience, then they will go senior level title)Must have a BS degree in Computer Science or related fieldTechnical Skills:Python Strong experience (must-have)Data Structures & Algorithms RequiredAWS Practical experience requiredAI/ML:Prior ML experience (even if older) and at least 6 months of hands-on GenAI experience or solid exposureExperience working in a Generative AI-focused Soft Skills:Strong communication
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Posted 4 days ago | Updated 18 hours ago

BACKEND ENGINEER/ UI SOLUTION ARCHITECT

SUNRAY INFORMATICS

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Remote

Contract, Third Party

Hi Professionals, We have an immediate openings for the below role, If interested please apply. Job Title: BACKEND ENGINEER/ UI SOLUTION ARCHITECT Type :C2CInterview: Telephonic & RemoteJOB RESPONSIBILITIESOVERALL EXPERIENCE 12YRS+ We are seeking a Senior Backend Engineer / Solutions Architect to join our client s innovative engineering team. This role is ideal for a backend specialist with deep expertise in Node.js and TypeScript, who is confident designing scalable backend architectures within
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Posted 27 days ago | Updated 27 days ago

Salesforce Developer ( Mobile App)

Omniskope, Inc

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Jefferson City, Missouri, USA

Full-time

We are looking for a Senior Salesforce Front-End Developer with expertise in Lightning Web Components (LWC) and modern JavaScript frameworks to lead mobile and responsive user interface development within the Salesforce ecosystem. This role focuses on creating intuitive, high-performance user experiences across web and mobile platforms. Key Responsibilities:Architect and develop interactive, mobile-responsive interfaces using LWC and modern UI libraries such as React.Translate UX designs into f
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Posted 10 days ago

ADA Accessibility Developer---Front End

Allwyn Corporation

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Remote

Contract, Third Party

Position: Mobile & Web Developer with Angular/Ionic + ADA Location: Remote Duration: 4+ months Job Description: We are looking for a skilled Front-End Developer who can contribute across both mobile and web (.com) platforms. The ideal candidate will have hands-on experience with Angular and Ionic frameworks, and a strong understanding of ADA compliance to ensure accessibility standards are met across all digital experiences. Responsibilities: Develop and maintain responsive and accessible applic
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Posted 7 days ago

Senior Backend Engineer

Kforce Technology Staffing

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Remote or Orlando, Florida, USA

Full-time

RESPONSIBILITIES: Kforce is working with a client in search of a Senior Backend Engineer to join their team! This position is full-time, direct hire and remote with the ability to work PST hours. Summary: As a Senior Backend Engineer, you will design, build, and maintain the core services, APIs, and integrations that power our platform. You'll collaborate with world-class engineers to deliver resilient, high-performance systems. Responsibilities: * Senior Backend Engineer will design, build, a
Posted 55 days ago | Updated moments ago

Python Backend Engineer

ACL Digital

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Remote or San Jose, California, USA

Full-time

Job Title: Python Backend Engineer - Systems & Integration Location: Remote bout We are building a next-generation virtual assistant platform that enables natural and responsive voice and chat-based interactions. The platform integrates with internal and external systems to deliver seamless, real-time user experiences at scale. s part of our growing team, we're looking for a skilled Python Backend Engineer to help us build reliable, high-performance backend systems. Role Overview: This role inv
Posted 41 days ago | Updated 2 hours ago

Java Developer

JC CORPORATIONS

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St. Louis, Missouri, USA

Third Party, Contract

Job Description: Java backend engineers with expertise on Java, ElasticCache AWS, NoSQL, Kubernetes & Jenkins. (spring/spring-boot/API developmentAll of engineers to be working from Intuit MTV (CA) office at least 3 days a week (Monday, Wednesday & Thursday at minimum)Self-starter with extreme ownership and accountability for to complete their tasks and report into daily stand ups.They should be able to escalate when faced with blockers and identifies risk, so team is able to deliver on schedule
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Posted 4 days ago | Updated 11 hours ago

Opening for Mobile UI Developer :: Contract :: Remote

SOHO Square Solutions

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US

Third Party, Contract

Job Title: Mobile UI Developer Location: Remote Job Type: Contract Job Summary: Job Description: We are seeking a Mobile UI Developer with strong expertise in Kotlin, Java, and Spring frameworks to design, develop, and enhance high-quality mobile applications for our financial clients. The ideal candidate will be experienced in building secure, scalable mobile UI applications within the banking and financial services domain, ensuring seamless integration with backend services while deliveri
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Posted 4 days ago | Updated 1 day ago

Back-End Software Engineer (Contractor)

Dimensional Fund Advisors LP

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Texas, USA

Full-time

Notes to applicants: Dimensional sees great value from collaborating in our offices and appreciates the benefits of flexibility. Most roles fit our office-first hybrid approach: We are together on our campuses Tuesdays, Wednesdays, and Thursdays and have the choice to work in the office or remotely, depending on what is best for that work day, on Mondays and Fridays. This approach maximizes in-person collaboration and interaction while simultaneously providing flexibility and applies to most rol
Posted 37 days ago | Updated 2 hours ago

Mobile & Web Developer with Angular/Ionic + ADA

Allwyn Corporation

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Remote

Third Party, Contract

Job Title: Mobile & Web Developer with Angular/Ionic + ADA Location: Remote Job Overview We are looking for a skilled Front-End Developer who can contribute across both mobile and web (.com) platforms. The ideal candidate will have hands-on experience with Angular and Ionic frameworks, and a strong understanding of ADA compliance to ensure accessibility standards are met across all digital experiences. Responsibilities: Develop and maintain responsive and accessible applications across mobile
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Posted 25 days ago | Updated 5 days ago

Full Stack Developer

Maximus, Inc.

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Remote

Full-time

Description & Requirements 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 related management and technical duties. Requires expertise in specialty areas. Back-End Software D
Posted 20 days ago | Updated 6 hours ago

React Native Mobile Architect

Aptino

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Remote

Contract, Third Party

Job Description:We are seeking a highly skilled and experienced Senior React Native Developer / Mobile Architect to join our mobile development team. The ideal candidate will have a proven track record of building scalable and high-performance mobile applications using React Native and related technologies. You will be responsible for leading mobile architecture decisions, implementing robust features, and ensuring seamless cross-platform user experiences. Key Responsibilities:Design, develop, a
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Posted 18 days ago | Updated 18 hours ago

P25-231186 - Software Engineer III

FedEx Office

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Remote or Memphis, Tennessee, USA

Full-time

About FedEx Dataworks: Born out of FedEx, a pioneer that ships nearly 20 million packages a day and manages endless threads of information, FedEx Dataworks is an organization rooted in connecting the physical and digital sides of our network to meet today's needs and address tomorrow's challenges. We are creating opportunities for FedEx, our customers, and the world at large by: Exploring and harnessing data to define and solve true problems Removing barriers between data sets to create new ave
Posted 5 days ago | Updated 2 hours ago

Java Backend Engineer || Citizens only || W2

Paradigm Infotech

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Remote

Contract

Role: Senior Java Backend Engineer Node JS Work mode: 100% remote Rate: $--/r on W2 no benefits. Visa: U.S. Citizenship + U.S.-based residency is required Not looking for Fullstack Engineers10+ years of exp6-12 months to hire Status: U.S. Citizenship + U.S.-based residency is requiredLocation: Remote - 9:00 - 5:00pm Central Time - the client is located in the southeastTechnologies: Node.js | TypeScript | Serverless Frameworks | AWS SAM | API documentation toolPractice Group: Consulting; Agile /
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Posted 5 days ago | Updated 5 days ago

Sr. Backend Engineer/Solutions Architect

LogiX-Guru

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Remote

Contract

Senior Backend Engineer / Solutions Architect (Node.js | Google Cloud Platform | TypeScript | Finance) Location: Remote Type: Full-time | Contract Client Industry: Financial Technology Key Responsibilities - Design and implement fraud prevention systems using Node.js and TypeScript - Develop and enhance device authentication mechanisms - Build payment intercept systems and fraud detection features - Integrate with Google Cloud Platform services (Spanner, BigQuery, Kubernetes) - Collaborate with
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Posted 19 days ago | Updated 18 hours ago

Hands-on Technical Manager, Java Developer

Govincorp

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Remote

Full-time

Seeking a highly skilled Hands-on Technical Manager, Java Developer to guide and mentor a team of developers in delivering high-quality backend servicesHands-on Technical Managerand APIs. The ideal candidate will possess strong technical expertise in Java, Go, PHP, Node.js, and MySQL, along with solid experience managing development teams and collaborating across functions to deliver scalable solutions. This position is 100% remote Responsibilities: Lead and manage a team of backend developers,
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Posted 17 hours ago

Principal Engineer Cybersecurity, Cloud Security

URSI Technologies Inc.

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Remote

Contract

Job Title: Principal Engineer Cybersecurity, Cloud Security & High-Performance Systems Location: Remote (California) Duration: 12+ Months Role Overview: We are seeking a Principal Engineer with deep expertise in Cybersecurity, Secure Cloud Architectures, and High-Performance Systems. This role focuses on developing next-generation security platforms, real-time threat detection, and secure cloud services using Rust, Scala, and WebAssembly (WASM) on AWS. Key Responsibilities: Develop secure, perf
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Posted 19 days ago | Updated 5 days ago

Senior UI Developer

ST RXR Investments LLC

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Remote or Miami Beach, Florida, USA

Full-time, Third Party

Job Title:Senior UI Developer (3+ Years of Experience) Compensation: Up to 300k depending on experience. Location:Miami Beach, FL [Remote is Optional] Company:ST RXR Investments LLC Job Type:Full-time About Us:We are one of the two pioneers of high frequency automated trading, and a dynamic and innovative Hedge Fund focused on building a new cutting-edge high frequency, algorithmic trading platform. Our team is developing a trading interface integrated via API, designed to offer high-performance
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Posted 32 days ago | Updated 20 days ago