{"id":71329,"url":"https://alion.io/job/prolific-senior-software-engineer-2","title":"Senior Product Engineer","company":{"id":30,"name":"Prolific","domain":"prolific.com","url":"https://alion.io/company/prolific","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"B","score":78,"open_postings":15,"ghost_share":0,"stale_share":0.667,"repost_share":0,"time_to_fill_p50_days":64,"computed_at":"2026-10-16T05:45:00Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":null,"work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"posting_text","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["London, United Kingdom","United Kingdom"],"countries":["GB"],"hiring_countries":["GB"],"hiring_countries_total":1,"salary":null,"salary_estimate":{"min_usd":85000,"max_usd":159000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":29},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"Amazon EventBridge","optional":false},{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"Celery","optional":false},{"name":"CircleCI","optional":false},{"name":"Datadog","optional":false},{"name":"Django REST Framework","optional":false},{"name":"DynamoDB","optional":false},{"name":"GCP","optional":false},{"name":"GitHub Actions","optional":false},{"name":"JavaScript","optional":false},{"name":"Kubernetes","optional":false},{"name":"Python","optional":false},{"name":"TypeScript","optional":false},{"name":"Vue.js","optional":false},{"name":"Django","optional":true}],"status":"live","first_seen_at":"2026-08-04T09:14:32Z","employer_posted_date":"2026-09-01","last_verified_at":"2026-10-16T22:53:52Z","board_verified":true,"closed_at":null,"days_open":73,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":73},"description":"Senior Software Engineer \nEngineering\n\n Prolific\nProlific is not just another player in the AI space - we are the architects of the human data infrastructure that's reshaping the landscape of AI development. In a world where foundational AI technologies are increasingly commoditized, it's the quality and diversity of human-generated data that truly differentiates products and models.\nThe role\nWe’re looking for Senior Software Engineers with a ‘product builder’ mind-set to join our team and take a pivotal role in the development and guidance of our product. As a ‘t-shaped’ engineer, you will bring a broad practical knowledge across various areas of software development, complementing and supporting our growing team whilst likely having a deeper specialism in front or backend. This is an exciting opportunity to leverage your existing skills, experience, and knowledge to significantly influence the trajectory of our product as we aim to revolutionize research.\nWhat you’ll bring to the role\nDeep understanding of modern web applications\nExperience building Typescript/Javascript applications and using NoSQL databases\nExperience using Python\nKnowledge of Event-Driven Architecture\nExperience using AWS (Serverless) and/or GCP\nUnderstand the importance of driving quality into code through test automation\nHave supported applications in production, with demonstrable experience of good observability practices within a full stack environment. (e.g. Rum, Tracing)\nHave worked in a collaborative environment with strong engineering practices and know what good engineering looks like\nCare about the product life cycle and are customer value focused\nUnderstand the value of continuous, iterative improvement using data to drive decisions and a culture of feedback\nPassionate about software development with an appetite for learning and self-improvement\nWhat you’ll be doing in the role \nAs a member of a cross-functional, stream-aligned team, you will work collaboratively with the teams’ engineering manager, product manager, designer, and up to 4-5 other engineers, including a tech lead\nUsing agile software development practices and a product mindset, you will work as a team to plan, build and support software that our customers love\nYou will be highly self-motivated and energetic and enjoy working in a fast-paced environment with a bias for action\nCollaborating with teams outside of product engineering, working closely with customers and understanding their needs\nBe happy working in all the major cloud providers: AWS, GCP & Azure\nWith a You Build It, You Run It mindset, you will have intimate knowledge of our products from code commit through to production operation\nSupporting production systems with monitoring tools such as Datadog\nStrive for stable systems observability\nYou will champion our principles, fuel a growth mindset by getting involved in communities and help improve our engineering culture\nPushing the boundaries, questioning the status quo, ensuring what we are doing and what we are building has high value and impact for our users\nKey Technologies \nCloud Platforms: Google Cloud Platform and AWS\nProgramming Languages: Python, JavaScript, and TypeScript\nFrameworks: Vue.js, Django Rest Framework, Container-based and Serverless architectures\nDatabases: MongoDB and DynamoDB\nDevOps and Monitoring: CircleCI, GitHub Actions, Kubernetes, Celery, EventBridge and DataDog\nWhy Prolific is a great place to work\nWe've built a unique platform that connects researchers and companies with a global pool of participants, enabling the collection of high-quality, ethically sourced human behavioral data and feedback. This data is the cornerstone of developing more accurate, nuanced, and aligned AI systems.\nWe believe that the next leap in AI capabilities won't come solely from scaling existing models, but from integrating diverse human perspectives and behaviors into AI development. By providing this crucial human data infrastructure, Prolific is positioning itself at the forefront of the next wave of AI innovation - one that reflects the breath and the best of humanity.\nWorking for us will place you at the forefront of AI innovation, providing access to our unique human data platform and opportunities for groundbreaking research. Join us to enjoy a competitive salary, benefits, and remote working within our impactful, mission-driven culture.\nLinks to more information on Prolific\nBenefits \nExternal Handbook \nWebsite \nYoutube \nPrivacy Statement\nBy submitting your application, you agree that Prolific may collect your personal data for recruiting and global organisation planning. Prolific's Candidate Privacy Notice explains what personal information Prolific may process, where Prolific may process your personal information, its purposes for processing your personal information, and the rights you can exercise over Prolific use of your personal information.","description_format":"text","description_chars":4908,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[{"name":"United Kingdom","iso":"GB","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Artificial Intelligence","LLM & Generative AI","Market Research","AI Research Labs"],"lifecycle":[{"event":"open","at":"2026-08-04T09:14:32Z"}],"visa":[],"liveness":{"score":25,"band":"fade","label":"Fading","p_open":1,"p_active":0.563,"p_room":0.44,"age_days":72,"expected_fill_days":64,"reasons":["conf:0","stale_co","win:tail","crowd:"],"computed_at":"2026-10-16T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/prolific-senior-software-engineer-2","json_url":"https://alion.io/job/prolific-senior-software-engineer-2.json","meta":{"generated_at":"2026-10-17T01:04:54Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":1523,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-18T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":30},"rest":"https://alion.io/mcp/rest/get_company?id=30"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fprolific-senior-software-engineer-2"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fprolific-senior-software-engineer-2"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fprolific-senior-software-engineer-2"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/prolific-senior-software-engineer-2\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fprolific-senior-software-engineer-2"}]}