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Contract Backend Developer Jobs in Missouri (NOW HIRING)

DataAnnotation

Backend Software Engineer

California, MO · Remote

$40/hr

We are looking for a Backend Software Engineer to join our team to train AI models. You will ... This is an independent contract position. DataAnnotation is an equal opportunities employer and ...

Purple Drive Technologies

React Developer

Saint Louis, MO · On-site

$101.10K - $117.60K/yr

Contract (as applicable) We are seeking a talented React Developer to join our dynamic team in St ... Collaborate with designers, backend developers, and product managers to translate UI/UX wireframes ...

Brooksource

Senior Python Developer

Kansas City, MO · Hybrid

$118.40K - $159.40K/yr

This role will play a key part in developing backend systems, cloud-native services, AI ... Strong potential for contract extension and/or permanent conversion

New

Jobgether

$80.20K - $93.40K/yr

You will work closely with designers, QA specialists, mathematicians, and backend engineers to ... Contract-based collaboration with clearly defined project scope and milestones * Opportunity to ...

Stellar IT Group

Programmer III

Saint Louis, MO · On-site

Programmer III Job Type: Contract - 12+ Months Work Mode: Remote Position Overview We have an ... Collaborate with Business Users, Business Analysts, and Backend Developers to integrate APIs and ...

Jobgether

Define and maintain reliable backend contracts between frontend interfaces, provider systems, and ... Collaborate with cross-functional engineering teams to ensure architectural consistency and ...

New

Jobgether

Design, develop, and maintain frontend and/or backend components for Web3, blockchain, and e ... Flexibility to choose between permanent, temporary, or freelance contract arrangements.

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Contract Backend Developer information

What are the key skills and qualifications needed to thrive as a Contract Backend Developer, and why are they important?

To thrive as a Contract Backend Developer, you need strong programming skills in languages like Python, Java, or Node.js, along with experience in database management and API development, supported by a relevant degree or proven project experience. Familiarity with frameworks (such as Django, Spring, or Express), cloud services (like AWS or Azure), and version control systems (e.g., Git) is typically expected. Excellent problem-solving abilities, strong communication, and the ability to quickly adapt to new codebases and team environments set top contractors apart. These skills and qualities are crucial for delivering reliable, scalable backend solutions and integrating smoothly into diverse project teams.

What are some common challenges faced by Contract Backend Developers when joining a new project?

Contract Backend Developers often encounter challenges such as quickly understanding existing codebases, adapting to different tech stacks, and aligning with the team's development practices. Since contract roles usually have tight deadlines, developers must rapidly familiarize themselves with project documentation and workflows. Effective communication with team members and proactive clarification of requirements are essential to ensure smooth integration and successful project outcomes.

What are contract backend developers?

Contract backend developers are professionals hired on a temporary or project basis to build and maintain the server-side logic, databases, and APIs that power web or mobile applications. They work behind the scenes to ensure that applications function smoothly, handle data efficiently, and communicate effectively with front-end systems. Unlike full-time employees, contract backend developers typically work for a set duration or on specific projects, offering flexibility to both clients and developers. They often bring specialized expertise in programming languages such as Python, Java, Node.js, or Ruby, and may work remotely or on-site depending on the contract terms.
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Back End Developer

Back End Developer

DataAnnotation

California, MO • Remote

$40/hr

Full-time, Part-time, Contractor

This job post has expired today. Applications are no longer accepted.

Job description

We are looking for a Back End Developer to join our team to train AI models. You will measure the progress of these AI chatbots, evaluate their logic, and solve problems to improve the quality of each model.To apply to this role, you will need to be proficient in either Python and/or JavaScript. Your role will require proficiency in at least one programming language (JavaScript, Python, C#, C++, HTML, SQL, or Swift) in order to solve coding problems.BenefitsThis is a full-time or part-time REMOTE positionYou'll be able to choose which projects you want to work onYou can work on your own scheduleProjects are paid hourly starting at $40+ USD per hour, with bonuses on high-quality and high-volume workResponsibilitiesGive AI chatbots coding challenges and evaluate their outputsEvaluate the quality produced by AI models for correctness and performanceQualificationsFluency in English (native or bilingual level)Detail-orientedExperience with algorithms, data structures, and debugging workflowsA current, in progress, or completed Bachelor's degree is preferred but not requiredPayment is made via PayPal.

We will never ask for any money from you. PayPal will handle any currency conversions from USD. Only applicants in the United States will be considered for this role.

This is an independent contract position.J-18808-Ljbffr

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