Remote senior web/mobile developer jobs

We, at Turing, are looking for talented remote senior web/mobile developers who will work closely with cross-functional teams to build and maintain high-quality, functional web pages and mobile applications. Get an excellent opportunity to collaborate closely with the best minds while working at top U.S. firms.

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Job description

Job responsibilities

  • Identify user and system requirements for new web pages, applications, or mobile apps
  • Prioritize software development projects, set timelines, and assign tasks to team members
  • Create wireframes to decide on layout
  • Write clean, scalable, testable, maintainable code and also peer review codes written by other developers
  • Run functionality testing and debug code to optimize the performance of the software
  • Oversee junior web developers, evaluate their performance and mentor them
  • Collaborate with designers to decide on UI/UX elements to implement user-friendly solutions
  • Design and develop scalable, feature-rich responsive websites and mobile applications
  • Keep abreast with latest technologies and introduce development best practices to deliver high performant solutions
  • Deep dive into the technical aspects needed for the optimization of mobile applications

Minimum requirements

  • Bachelor’s/Master’s degree in Engineering, Computer Science, IT (or equivalent experience)
  • At least 5+ years of experience in application development (rare exceptions for highly skilled developers)
  • Prior experience in web/mobile development, including asynchronous programming, patterns, threading, performance tuning, etc.
  • Solid knowledge of HTML and CSS
  • Prior experience working with security best practices
  • Proficient with multiple programming languages, including JavaScript, Ruby, PHP, Kotlin, Swift, and MVVM architecture
  • Knowledge of distributed source control systems like Git
  • Understanding of performance/analytics tools for mobile applications
  • Proficient with mockup and UI prototyping tools
  • Fluency in English language for effective communication
  • Ability to work full-time (40 hours/week) with a 4 hour overlap with US time zones

Preferred skills

  • Solid understanding of data and application security best practices
  • Experience with content management systems
  • Knowledge of wireframing and network diagnostic tools
  • Strong working experience in Agile/Scrum environment
  • Exceptional time management and leadership skills
  • Great interpersonal and organizational skills

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How to become a senior web/mobile developer ?

When it comes to professional flexibility, a senior web/mobile developer is the ideal person to exemplify the phrase "versatile" in the modern era. Senior web/mobile developers are multi-skilled individuals that are in high demand by companies looking to increase the quality and efficiency of their web initiatives. They understand how to use the program on both the client and server sides.

Now there's an app for everything. Everything is at your fingertips and operates with a single tap, from coffee to international news. As the software development industry has grown at an unprecedented rate, the demand for talented and professional senior web/mobile developers has skyrocketed. As a result, now is an excellent moment to apply for remote senior web/mobile developer positions.

What is the scope in web/mobile development?

Demand for senior web/mobile developers has increased in every area, including android and iOS app development firms, merchants, the healthcare industry, travel and tourism, media, and so on. Web/mobile applications can be developed for a wide range of platforms, including the iPhone, Android, and iPad, as well as Windows Mobile. The scope of web/mobile application development has grown so rapidly, not only because of the variety of development platforms available but also because of the virtually infinite number of ways it may improve our lives.

With everyone spending more time on their phones, the market is ripe and ready for web/mobile developers. Web/mobile development jobs are among the highest-paying careers in the world. This is owing to the high demand for skilled specialists as well as a lack of them. So, if you are unsure about applying for remote senior web/mobile developer jobs, you can do so with confidence.

What are the roles and responsibilities of a senior web/mobile developer?

The following are some of the most significant responsibilities that come with working as a remote senior web/mobile developer.

  • Online applications that are easy to use should be planned, created, and maintained.
  • Analyze and define project specs based on the client's requirements.
  • Set objectives and timelines in coordination with cross-functional teams.
  • Work with the design team to finish website layouts and create a high-quality user experience.
  • Keep process documentation up to date for the benefit of users and future reference.
    -Evaluate code modules written by other developers and execute functionality tests to ensure smooth performance.
  • Keep up with the latest advances in web development technologies.
  • As appropriate, provide technical instruction and assistance to young developers.

How to become a senior web/mobile developer?

Despite the substantial knowledge and experience required for these programming jobs, anyone with a genuine interest in the field—and the capacity to fulfill at least some of the senior web/mobile developer tasks listed above—can obtain remote senior web developer jobs.
There are a few options for learning the necessary abilities.

You can begin by attending college, which is the most common option. When it comes to entering the field, a computer science degree will offer you a solid foundation and credentials.
Another option is to attend a boot camp programme. The focus will be on teaching you the languages required to apply for remote senior web/mobile developer employment, which can be done in person or online. This may be a less expensive and faster option than a three- or four-year degree, depending on the boot camp.

Whatever path you take to acquire a senior web/mobile developer job, you can be confident that you'll have a promising career ahead of you with plenty of options.

Interested in remote senior web/mobile developer jobs?

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Skills required to become a senior web mobile developer

The first step toward landing a high-paying senior web/mobile developer job is to learn the relevant skills. Let's take a closer look at each of the technical talents.

1. HTML/CSS

HTML is an abbreviation for Hypertext Markup Language, and CSS is an abbreviation for Cascading Style Sheets. CSS is a style and design tool, whereas HTML is a markup language for adding content to a website. HTML and CSS both have an impact on how a website looks and feels, which is vital for attracting new customers. Online developers must use HTML markup to specify the layout of web pages. They must be CSS-savvy in order to correctly display HTML components. Senior web developers must be fluent in both of these programming languages in order to create an interactive, intuitive, and compelling application front-end.

2. JavaScript

JavaScript is a required web developer skill for web and software development. Object-oriented scripting is used largely to implement HTML activities. It is one of the most widely used programming languages for both server-side and client-side applications. In addition, JavaScript is the only programming language that can be used on both the client and the server. To be hired for remote senior web developer jobs, JavaScript and related features such as React and Angular are essential. JavaScript's functions, prototypes, higher-order event delegation, and closure characteristics are among of its best features since they make it easier to create adaptable web pages.

3. Back-end languages

While HTML, CSS, and Javascript are the most important front-end languages, you'll also need to be proficient in a few back-end languages if you want to work as a remote senior web developer.

**PHP **is an open-source, cross-platform programming language that runs on Unix, Mac OS X, and Windows. It is a well-known back-end development platform.

Python is a popular programming language among developers and coders worldwide because of its English-like syntax, low learning curve, and extensive library and framework ecosystem.

**Ruby **is a programming language with a thriving developer community, as well as extensive documentation and dependencies, making it ideal for back-end development.

Java is a cross-platform programming language that may be used to develop web, desktop, and mobile apps. Java also contains a number of frameworks that aid in the development of back-end applications.

Interested in remote senior web/mobile developer jobs?

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How to get remote senior web/mobile developer jobs?

We investigated the prerequisites for remote senior web/mobile developer positions. In practice, though, the most important thing is to give it your all. New technology breakthroughs transform sectors on a daily basis. More people will enter the field as it grows more popular, increasing your competition. It will not be difficult to enhance your career if you stay current with industry trends.

Turing features the greatest remote senior web/mobile developer jobs to assist you to achieve your senior web/mobile developer objectives. You'll also have the opportunity to polish your skills by working on difficult technological problems with other bright engineers. Join a global network of the greatest senior web engineers to find full-time, long-term remote senior web/mobile developer jobs with higher pay and professional advancement.

Why become a senior web/mobile developer at Turing?

Elite US jobs
Career growth
Exclusive developer community
Once you join Turing, you'll never have to apply for another senior web/mobile developer job.
Work from the comfort of your home
Great compensation

How much does Turing pay their senior web/mobile developer?

Every senior web developer at Turing has the ability to choose their own fee. Turing, on the other hand, will recommend a wage at which we believe we can discover a fruitful and long-term opportunity to advance your senior web developer career. Turing's recommendations are based on our study of current market conditions and client needs.

Frequently Asked Questions

Turing is an AGI infrastructure company specializing in post-training large language models (LLMs) to enhance advanced reasoning, problem-solving, and cognitive tasks. Founded in 2018, Turing leverages the expertise of its globally distributed technical, business, and research experts to help Fortune 500 companies deploy customized AI solutions that transform operations and accelerate growth. As a leader in the AGI ecosystem, Turing partners with top AI labs and enterprises to deliver cutting-edge innovations in generative AI, making it a critical player in shaping the future of artificial intelligence.

After uploading your resume, you will have to go through the three tests -- seniority assessment, tech stack test, and live coding challenge. Once you clear these tests, you are eligible to apply to a wide range of jobs available based on your skills.

No, you don't need to pay any taxes in the U.S. However, you might need to pay taxes according to your country’s tax laws. Also, your bank might charge you a small amount as a transaction fee.

We, at Turing, hire remote developers for over 100 skills like React/Node, Python, Angular, Swift, React Native, Android, Java, Rails, Golang, PHP, Vue, among several others. We also hire engineers based on tech roles and seniority.

Communication is crucial for success while working with American clients. We prefer candidates with a B1 level of English i.e. those who have the necessary fluency to communicate without effort with our clients and native speakers.

Currently, we have openings only for the developers because of the volume of job demands from our clients. But in the future, we might expand to other roles too. Do check out our careers page periodically to see if we could offer a position that suits your skills and experience.

Our unique differentiation lies in the combination of our core business model and values. To advance AGI, Turing offers temporary contract opportunities. Most AI Consultant contracts last up to 3 months, with the possibility of monthly extensions—subject to your interest, availability, and client demand—up to a maximum of 10 continuous months. For our Turing Intelligence business, we provide full-time, long-term project engagements.

No, the service is absolutely free for software developers who sign up.

Ideally, a remote developer needs to have at least 3 years of relevant experience to get hired by Turing, but at the same time, we don't say no to exceptional developers. Take our test to find out if we could offer something exciting for you.

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Leadership

In a nutshell, Turing aims to make the world flat for opportunity. Turing is the brainchild of serial A.I. entrepreneurs Jonathan and Vijay, whose previous successfully-acquired AI firm was powered by exceptional remote talent. Also part of Turing’s band of innovators are high-profile investors, such as Facebook's first CTO (Adam D'Angelo), executives from Google, Amazon, Twitter, and Foundation Capital.

Equal Opportunity Policy

Turing is an equal opportunity employer. Turing prohibits discrimination and harassment of any type and affords equal employment opportunities to employees and applicants without regard to race, color, religion, sex, sexual orientation, gender identity or expression, age, disability status, protected veteran status, or any other characteristic protected by law.

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AI Quality Analyst - Portuguese (Portugal)

About Turing:
Based in San Francisco, California, Turing is the world’s leading research accelerator for frontier AI labs and a trusted partner for global enterprises deploying advanced AI systems. Turing supports customers in two ways: first, by accelerating frontier research with high-quality data, advanced training pipelines, plus top AI researchers who specialize in coding, reasoning, STEM, multilinguality, multimodality, and agents; and second, by applying that expertise to help enterprises transform AI from proof of concept into proprietary intelligence with systems that perform reliably, deliver measurable impact, and drive lasting results on the P&L.

Role Overview:

As an AI Quality Analyst, you will evaluate a new personalization feature for Gemini. You will assess how well the model uses information from your past Gemini conversations, Gmail, Google Search, and YouTube activity to make responses more relevant and helpful. This role requires a unique blend of creativity and analytical rigor. You will actively design prompts from the perspective of your own personal experiences. You will then use your analytical skills to assess the quality of the model's personalized responses, evaluating dimensions like Grounding, Integration, and Helpfulness.


Key Qualifications

  • Portugueese Proficiency: Ability to read and write in Portuguese with a high degree of comp, as Portuguese is the focus language for this project.
  • Personal Account Usage: Willingness to use your primary personal Google account (not a testing account) and enable personal data sources for a genuine assessment.
  • Schedule Flexibility: Full-time availability in your local time zone is required.  We are staffing a global, 24-hour operations team.
  • Exceptional Analytical Thinking: Demonstrate ability to evaluate nuanced and ambiguous AI responses, specifically assessing personalization quality.
  • Creative Prompt Engineering: Experience in designing creative, multi-turn starting prompts based on personal context to thoroughly test the model's capabilities.
  • Strong Evaluation Acumen: Understanding of personalization concepts, including the ability to identify incorrect personalization, poor inferences, and forced connections.
  • Meticulous Attention to Detail: The ability to review Side-by-Side (SxS) model responses and spot subtle differences in naturalness and overnarrating.
  • Excellent Written Communication: Superior ability to write clear, concise, and structured rationales for model rankings, explicitly referencing specific turn numbers.
  • Feedback: Ability to provide constructive feedback and detailed annotations.
  • Communication: Excellent communication and collaboration skills.
  • Independence: Self-motivated and able to work independently in a remote setting.
  • Technical Setup: Desktop/Laptop set up with a good internet connection.


Description:

  • In this role, you will be part of a dynamic team focused on evaluating the quality of personalized AI interactions. Your day-to-day work will involve:
  • Designing and executing multi-turn conversational prompts (typically 1-5 turns) that require the AI to utilize your personal information and experiences.
  • Evaluating model responses based on your intent from the starting prompt, checking if the personalization was appropriately applied.
  • Analyzing responses for Grounding issues, ensuring claims about you are supported by evidence and not flawed inferences or hallucinations.
  • Assessing Integration quality to ensure personal data is woven naturally into the response without robotic "overnarrating".
  • Rigorously evaluating and stack-ranking two model responses side-by-side (SxS) to determine which is overall more helpful, easy to use, and enjoyable.
  • Writing clear, defensible rationales for your comparisons, explicitly referencing where issues or positive aspects occurred in the conversation.
  • Extracting and verifying "Debug Info" from the model to confirm that chat summaries and data sources were properly utilized.
  • Maintaining strict data hygiene by deleting evaluation conversations to prevent them from polluting your future chat history.


Education & Experience

  • BS/BA degree or equivalent experience in a relevant field (e.g., Policy, Law, Ethics, Linguistics, Journalism, Computer Science, or a related analytical field).
  • Experience in data annotation, AI quality evaluation, content moderation, or a related role is strongly preferred.

Offer Details:

  • Commitments Required: at least 4 hours per day and upto 40 hours per week with 4 hours of overlap with PST.
  • Engagement type: Contractor
  • Engagement Length: 3 months
  • Our offered rate for this project is $15 per hour.

Evaluation Process -

  • Shortlisted candidates will be sent a Job Interest Form.
  • After the profile review, an assessment will be shared, which must be completed within 24 hours.
  • Based on the assessment outcomes, shortlisted candidates will be contacted to discuss the pre‑onboarding requirements.
Software
10K+ employees
Domain-Specific Languages
briefcase
AI Engineer

About Turing


Based in San Francisco, California, Turing is the world’s leading research accelerator for frontier AI labs and a trusted partner for global enterprises deploying advanced AI systems. Turing supports customers in two ways: first, by accelerating frontier research with high-quality data, advanced training pipelines, plus top AI researchers who specialize in coding, reasoning, STEM, multilinguality, multimodality, and agents; and second, by applying that expertise to help enterprises transform AI from proof of concept into proprietary intelligence with systems that perform reliably, deliver measurable impact, and drive lasting results on the P&L


Role Overview


We are looking for an AI/ML Engineer specializing in LLM post-training and reinforcement learning workflows. The role focuses on fine-tuning open-weight models, building reward systems, and improving model performance through scalable training, evaluation, and data curation


What does day-to-day life look like?

  • Design and execute fine-tuning pipelines for open-weight models (Qwen, Llama, Mistral families) using SFT → DPO → GRPO progressions on tool-use and agentic data.
  • Implement and tune LoRA / QLoRA adapters for parameter-efficient fine-tuning; understand when full fine-tuning vs PEFT is the right call.
  • Build reward functions and verifiers for RL training  including programmatic verifiers, LLM-as-judge rubrics, and state-transition checks against gym environments.
  • Generate, curate, and filter RL tool-use training data: golden trajectories, preference pairs, on-policy rollouts, and rejection-sampled completions.
  • Run distributed training on multi-GPU setups; manage inference at scale with vLLM (including extended-context configurations via YaRN / RoPE scaling).
  • Diagnose failure modes: reward hacking, distribution collapse, KL blow-up, tool-selection errors vs state-transition errors, format drift.
  • Define and track evaluation metrics  pass@k, pass^k, trajectory-level scoring, rubric-based vs binary scoring  and own model-quality reporting against benchmarks.
  • Partner with annotation, eval, and client teams to translate data-quality signals into training improvements.

Requirements

  • 3+ years of hands-on ML engineering experience, with at least 1+ year specifically on LLM post-training.
  • Demonstrated production or research experience with at least three of: SFT, LoRA/QLoRA, DPO, PPO, GRPO, RLHF.
  • Strong PyTorch fundamentals; working familiarity with Hugging Face TRL, Accelerate, DeepSpeed or FSDP, and vLLM.
  • Experience designing reward signals or verifiers for RL training  not just running training scripts.
  • Solid grasp of tokenization, attention, chat templates, tool-calling formats (OpenAI/Anthropic-style), and common failure modes in agent training.
  • Comfort with Python, distributed training, GPU profiling, and reading research papers and turning them into working code.

Strongly Preferred:


  • Experience training tool-use or agentic models (function calling, multi-step tool selection, planner-executor patterns).
  • Experience with synthetic data generation pipelines and rejection sampling.
  • Familiarity with MCP, LangChain/LangGraph, or similar agent frameworks.
  • Exposure to evals at scale: building harnesses, designing rubrics, dealing with judge variance and reward hacking.
  • Cloud/infra: RunPod, AWS, GCP; container workflows; long-context inference tuning.


Perks of Freelancing With Turing

  • Work in a fully remote environment.
  • Opportunity to work on cutting-edge AI projects with leading LLM companies.

Offer Details

  • Commitments Required: 40 hours per week with overlap of 4 hours with PST. 
  • Engagement Type: Contractor assignment (no medical/paid leave)
  • Duration of contract : 2 months; [expected start date is next week]
  • Location: India, Pakistan, Bangladesh, Brazil

Evaluation Process

  • 2 rounds of Technical Interview (90 mins)
-
1-10 employees
PythonMachine Learning
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