Backend Software Engineer
$40 per hourDataAnnotation
We are looking for a Backend Software Engineer 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 (think LeetCode, HackerRank, etc). For each coding problem, you must be able to explain how your solution solves the problem. Benefits This is a full-time or part-time REMOTE position You’ll be able to choose which projects you want to work on You can work on your own schedule Projects are paid hourly starting at $40+ USD per hour, with bonuses on high-quality and high-volume work Responsibilities Give AI chatbots coding challenges and evaluate their outputs Evaluate the quality produced by AI models for correctness and performance Qualifications Fluency in English (native or bilingual level) Detail-oriented Experience with algorithms, data structures, and debugging workflows A current, in progress, or completed Bachelor's degree is preferred but not required Payment 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. #coder #J-18808-Ljbffr
- ...Band 7 Job-Specific Essential Duties and Responsibilities: - Provides subject matter proficiency supporting back-end software development activities. - Applies analytical skills supporting process improvement, specialized studies, and requirements definition...SuggestedMinimum wageContract workTemporary workWork experience placement
$145k - $160k
...Senior Full Stack Developer to enhance VA.gov. This remote role requires deep expertise in Ruby on Rails and React, with a focus on backend development and API integrations. Candidates should have over 12 years of experience or a Master's with 8 years, alongside...SuggestedRemote work$40 per hour
A technology firm specializing in AI is looking for a Backend Software Engineer to join their remote team. You will evaluate AI chatbots' performance and logic while solving coding challenges in languages like Python or JavaScript. This independent contract role offers...SuggestedHourly payContract workRemote workFlexible hours$186.07k - $218.9k
...expected and fully supported. Coinbase is seeking experienced backend engineers to join our team to build out the next generation of crypto-... ...for in you: You have at least 5 years of experience in software engineering. You’ve designed, built, scaled and...SuggestedLocal area- ...- Requires expertise in specialty areas. - Shall perform engineering tasks for back-end design and development efforts including, but... ...degree may substitute for 2 years of experience. - 10 years of software development experience in object-oriented and scripted...SuggestedMinimum wageContract workTemporary workWork experience placement
$145k
...duties. Requires expertise in specialty areas. Shall perform engineering tasks for back-end design and development efforts, including... ...may substitute for 2 years of experience. ~10 years of software development experience in object-oriented and scripted languages...Contract workRemote work- ....NET Backend EngineerAnywhereType: ContractCategory: DevelopmentIndustry: ManufacturingWorkplace Type: RemoteOur client seeks a backend engineer to build event-sourced, microservices-based systems using .NET 8. The role will design and deliver APIs, leverage Dapr and the...Local area
- A leading data streaming company is seeking a Senior Software Engineer II to take ownership of backend systems critical to their platform. Candidates should have over 5 years of experience and be proficient in major backend languages. Responsibilities include leading complex...Remote work
- ...similar modern component -based framework) Backend languages (Node.js, Python, Java or... ...Preferred Skills 8+ years of experience in software development 4+ years of experience in full stack development and UI engineering 4+ years of proven experience in leading...Local area
- ...years of expertise in both front-end and backend development, along with proven technical... ...Skills: ~8+ years of experience in software development ~4+ Strong hands-on experience in full stack development and UI engineering ~4+ Proven experience in leading teams...
- ....NET Backend Engineer Anywhere Type: Contract Category: Development Industry: Manufacturing Workplace Type: Remote Reference ID: JN -032026-106153 Date Posted: 05/24/2026 Shortcut: Description Recommended Jobs Description: Remote...Hourly payContract workLocal areaRemote work
$185k - $225k
...healthcare. The Role At Datavant, we value Engineers who solve problems, build impactful... ...the principles and practices of software engineering. As a Senior Full Stack Engineer... ...intuitive user experiences to scalable backend systems and data platforms. You'll also...- ...Full Stack Engineer Anywhere Type: Contract Category: Development Industry: Technology Workplace Type: Remote Reference... .... Work across Frontend (TypeScript, Next.js, React), Backend (Node.js, TypeScript), and CMS (WordPress, PHP) technologies....Hourly payContract workWork experience placementLocal areaRemote workWeekend work
$140k
...cloud-native, large-scale, employee facing software using modern technologies including... ...sustainable pace in a highly productive engineering culture. Experience with Palantir Foundry... ...data Contribute to both frontend and backend codebases to enhance and develop projects...Work at officeRemote workWorldwide$57.3 per hour
...systems life cycle and is responsible for designing, coding, testing, implementing, maintaining and supporting complex application software that is delivered on time and within budget. 1 Provide guidance to lower-level programmers/analysts. Act as an internal...Full timeContract workWork experience placementImmediate start$142.6k - $261.5k
...organizations to build for the intelligent digital future. Our elite team of product leaders, data scientists, designers, and software engineers enable our clients to solve their most complex product challenges and positively impact people and the world. Software...Summer holidayFlexible hours- ...modern front end with Blazor. The role drives full lifecycle engineering, security, and performance for financial systems and integrations... .... Experience Requirements: ~10+ years of professional software engineering experience in full stack development within enterprise...Hourly payContract workLocal areaRemote work
$186.07k - $218.9k
...fund flows. Contribute to the core platform: the detection engine, invariant framework, and tooling that partner teams use to onboard... ...we look for in you (ie. job requirements) : ~5+ years of software development experience with large-scale distributed systems....Local area$186.07k - $218.9k
...supported. About the Team: Financial Engineering builds Coinbase’s financial data and... ...vision for maintaining and scaling our backend systems and the teams running them. Work... ...What we look for in you: ~5+ years of software development experience with experience...Local area$144.7k - $261.3k
...) organization, we’re combining cutting-edge research, robust engineering, and large-scale systems to make this future a reality. Our team... ...mapping systems from the ground up—combining robust backend infrastructure with intuitive, performant user interfaces....Work experience placementLocal areaWork from homeRelocation packageFlexible hours$186.07k - $218.9k
...expected and fully supported. We are looking for a Senior Software Engineer to join the Payment Rails team within Coinbase's Platform organization... .... You'll design and build the low-latency, high-throughput backend services that ensure every transaction is fast, secure, and...Local area- ...System Software Programmer - Consultant - 11140 Location: Columbia SC 29201 Duration... ...modern component-based framework) Backend languages (Node.js, Python, Java or similar... ...in full stack development and UI engineering ~4+ years of proven experience in leading...Contract workRemote workRelocation
$120.59k
...Senior Fullstack Engineer Fearless is seeking a Senior Fullstack Engineer to support a program that delivers a statewide, equitable... ...to align the technical vision, implementation, and quality of software systems across development, reliability, testing, and operations...Full timeWork experience placementWork at officeImmediate startFlexible hoursShift work- ...enterprise environments. As a member of our AI engineering team, you'll play a critical role in... ...hardest problems in AI and enterprise software - from scalable multi-agent coordination... ...(Python/Java/Golang, API integration, backend frameworks) Strong system design skills...Hourly payPermanent employmentInternshipSummer internshipFlexible hours
$142.6k - $261.5k
...working world. Technology – Digital Engineering – Full Stack Engineer (Manager) Whole... ...opportunity As a Manager Full Stack Software Engineer , you will independently develop... ...platforms, comfort working across frontend and backend systems, and the ability to apply sound...Summer holidayLocal areaFlexible hours$60 per hour
A leading AI development firm is seeking proficient programmers for a fully remote position, offering a flexible schedule and competitive pay up to $60/hour. The role involves designing coding problems used to train AI systems, evaluating AI-generated code, and contributing...Remote workFlexible hours$40 per hour
We are looking for a Content Developer – Biology 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. In this role you will need to hold an expert level of...Hourly payFull timeContract workPart timeRemote work- Bilingual Educational Content Developer (Japanese/English) Join us as a Bilingual Educational Content Developer (Japanese/English) at DataAnnotation to train AI models. You will measure the progress of AI chatbots, evaluate their logic, and solve problems to improve the...Hourly payFull timeContract workPart timeRemote work
$95k - $154k
...applications and hear nothing back. If you're a Java developer, software programmer, data scientist, or data analyst struggling to... ...stack developers, Python/Java developers, data analysts/data engineers/data scientists, and machine learning engineers for full-time...Full timeH1bRemote work- A technology solutions firm is seeking a Senior Full Stack Developer to oversee the complete software development lifecycle of applications. Key responsibilities include developing full-stack applications and maintaining API microservices using Java, JEE, Spring/Spring...
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