Jobs at Lifted, an Upwork Company

Lead multiple cross-functional projects from planning through closeout across HR, People Operations, and business operations. Define scopes, milestones, dependencies, and success criteria; identify risks and obstacles; coordinate stakeholders; maintain project documentation; standardize workflows, policies, templates, and onboarding processes; facilitate meetings; track deliverables; provide leadership updates; and ensure successful implementation and ownership.

Freelancers will speak with two AI models, follow provided scenarios, conduct natural conversations, and compare and evaluate model performance using defined criteria. Work may also include writing prompts, evaluating responses, and completing audio or video tasks. The role requires native Thai proficiency, college-level writing ability, analytical reasoning, a microphone, and residence in an Asian country. It is fully remote with flexible scheduling.

Record short video and audio clips for AI training, including scripted performances in varied tones and emotional styles. Listen to and transcribe multimedia clips. Candidates must speak fluent German, demonstrate clear and expressive vocal delivery, and have a quiet recording environment, 1080p camera, and comfort speaking on camera. Theater, improv, vocal training, or professional recording equipment are beneficial. The opportunity is fully remote with flexible scheduling.

Advise engineering and R&D teams on cloud and AI/LLM spending, investigate cost anomalies, perform root-cause analysis, identify optimization opportunities, reconcile forecasts, model team cost projections, and support Showback reporting and cost-awareness education. The role provides partner-facing advisory support across APAC business hours while documenting findings in Jira and communicating through Slack.

Build and maintain high-scale React and TypeScript payment applications using micro-frontends. Add payment methods, improve reliability, deliver production changes through CI/CD, and create comprehensive unit, integration, end-to-end, and accessibility tests. Responsibilities include frontend telemetry, feature flags, internationalization, accessibility, GraphQL integrations, complex forms, and collaboration with backend teams on distributed systems and API contracts.

Build and operate scalable backend payment infrastructure using Java, Kotlin, and Python. Develop payment flows, APIs, microservices, and event-driven services; modernize legacy systems; improve testing and CI/CD; and resolve production incidents. Own end-to-end features including charges, refunds, disputes, and webhooks while producing technical designs, documentation, and runbooks. Collaborate asynchronously with product and engineering teams in Agile sprints and support a smooth handoff.

Business Analyst responsible for eliciting and documenting requirements, modeling business processes, creating user stories and specifications, coordinating UAT, managing defects, and supporting Agile delivery. The role focuses on Salesforce Service Cloud, enterprise CRM workflows, integrations, data flows, stakeholder collaboration, change management, deployment readiness, and post-release stabilization. Candidates must work independently with business and technical teams and be based remotely in India while overlapping with U.S. Central Time.

Leads implementation of EU Pay Transparency and reward governance in Portugal. Assesses compensation practices, develops remuneration policies, job architecture, salary structures, pay equity frameworks, gender pay gap reporting, recruitment guidelines, employee documentation, and governance processes. Translates regulatory requirements into practical implementation roadmaps while collaborating with HR, Compensation and Benefits, Legal, and other stakeholders. Requires independent consulting, bilingual English and Portuguese communication, and a three-to-six-month commitment exceeding 30 hours weekly.

Administer ChurnZero and execute Customer Experience Operations projects independently. Build scalable workflows, onboarding playbooks, escalation paths, automations, and proactive outreach programs. Gather stakeholder requirements, translate business processes into system solutions, communicate project progress, and identify opportunities to improve CX efficiency. This is a short-term, remote contractor role supporting initiatives during a team transition.

Create and answer prompts, review AI-generated responses, evaluate reasoning quality, rank model outputs, and provide constructive feedback to improve AI accuracy and helpfulness. No technical or AI background is required, but clear English writing, critical thinking, problem-solving skills, and a bachelor’s degree are required. Work is flexible and remote for candidates located in approved countries.

Create and answer prompts, review AI-generated responses, evaluate reasoning for correctness, and provide constructive feedback to improve AI model accuracy. The role requires clear English writing, critical thinking, problem-solving, and a bachelor's degree. Work is flexible and remote, but applicants must reside in Australia, Ireland, New Zealand, the United Kingdom, the United States, or Canada and complete identity or work authorization verification.

Create question-and-answer prompts, review and rank AI-generated responses, assess reasoning quality, and provide constructive feedback to improve AI model accuracy and helpfulness. The role is flexible and remote, requires strong English writing and critical-thinking skills, and does not require an AI or technical background. Applicants must have a bachelor’s degree and reside in an eligible country with acceptable identity or residency documentation.

Creates and answers prompts, reviews AI-generated responses and reasoning, ranks model outputs, and provides constructive feedback to improve AI accuracy and helpfulness. No technical or AI background is required, but clear writing, critical thinking, problem-solving, and a bachelor's degree are required. The work is flexible and remote, with eligibility limited to applicants located in Australia, Ireland, New Zealand, the United Kingdom, the United States, or Canada and able to complete identity verification.

Build and maintain secure, scalable data pipelines, warehouse models, datamarts, and analytical datasets for HR insights. The role includes Snowflake and dbt development, Python and PySpark processing, Airflow orchestration, data quality, pipeline reliability, semantic-layer design, governed AI-enabled data experiences, access controls, monitoring, and technical documentation.

Implement a large-scale data platform modernization initiative by migrating approximately 1,000 datasets to Snowflake, upgrading Airflow pipelines, migrating Hive to Iceberg, adapting data pipelines, and supporting workflow monitoring. The role requires hands-on Python, SQL, Spark, Kafka, AWS S3, Snowflake, testing, debugging, and large-scale data migration experience. This is a remote contract engagement through March 2027 for candidates in eligible EMEA and APAC locations.

Lead discovery, roadmap definition, delivery, localization, and rollout of AI- and LLM-powered recruiting products for the French staffing market. Partner with engineering, design, clients, and business teams to prototype solutions, define requirements, evaluate AI features, establish guardrails, monitor success metrics, and improve production reliability and value. The role requires bilingual French-English communication, technical fluency, enterprise product management experience, and ownership across systems and teams.

Hands-on Software Engineer responsible for diagnosing and resolving production issues across backend and frontend systems supporting a high-traffic live event platform. The role focuses on Java and Spring Boot, with React, Kafka, GraphQL, SQL or MongoDB, and AWS-related tools. Responsibilities include monitoring systems, responding to alerts, supporting integrations and architecture changes, maintaining event logic, meeting SLAs, partnering with client-facing teams, and onboarding team members.

Advise engineering and R&D teams on cloud and AI/LLM spending, investigate anomalies, perform root-cause analysis, identify optimization opportunities, support forecasting, and contribute to Showback reporting. The role provides partner-facing cost guidance, documents findings in Jira, supports stakeholders through Slack, maintains technical documentation, and tracks team investments and projections. This is a remote contract engagement supporting APAC business hours with overlap across U.S. time zones.

Conduct natural spoken conversations with two AI models, then compare, rank, and evaluate their performance using provided criteria. Complete writing, prompting, audio, video, and potentially scripted acting tasks. Requires native Bengali proficiency, college-level writing ability, strong analytical reasoning, a microphone, and residence in an Asian country. The role is fully remote with a flexible schedule.

Design exceptionally difficult, expert-level technical problems that expose limitations in frontier AI agents. Translate real challenges from coding, machine learning, systems, security, or hardware into tasks solved from scratch in a Linux terminal. Evaluate whether multiple leading models fail consistently. Contributors need advanced education, extensive professional experience, and published work, with an ongoing commitment of at least seven weeks.