{"id":63754,"url":"https://alion.io/job/prolific-senior-software-engineer-ii","title":"Senior Software Engineer II","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":79,"open_postings":16,"ghost_share":0,"stale_share":0.625,"repost_share":0,"time_to_fill_p50_days":64,"computed_at":"2026-10-17T05:46:00Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["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":"Celery","optional":false},{"name":"CircleCI","optional":false},{"name":"Datadog","optional":false},{"name":"Django","optional":false},{"name":"Django REST Framework","optional":false},{"name":"DynamoDB","optional":false},{"name":"GCP","optional":false},{"name":"GitHub","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}],"status":"closed","first_seen_at":"2026-08-19T00:00:00Z","employer_posted_date":null,"last_verified_at":"2026-10-18T00:00:38Z","board_verified":false,"closed_at":"2026-10-18T00:00:38Z","days_open":60,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":60},"description":"Senior Software Engineer II\nTeam: Engineering\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\nAs a Senior Software Engineer II, you will play a pivotal role in driving technical excellence across one of our product development teams. You will lead the technical direction of projects, ensuring the delivery of scalable, secure, and high-quality solutions, while providing guidance, mentorship, and support to engineers across the team. The role may also include line management responsibilities for less experienced team members.\nWhat you’ll bring to the role\nLead Technical Projects: Oversee the design and implementation of key projects, delivering innovative solutions that align with business goals and customer needs.\nCollaborate with Stakeholders: Work closely with Product Managers and other stakeholders to define project scope, timelines, and resources, providing expert technical guidance.\nDrive Engineering Excellence: Create high-quality, efficient code, uphold coding standards through code reviews and contribute to strategic initiatives and standards through the Technical Authority Group.\nMentor and Develop Team Members: Foster a collaborative and inclusive team environment, mentoring others and assisting in hiring and onboarding new talent.\nInfluence Technical Direction: Play a key role in strategic technical decisions, promoting the adoption of new technologies and processes to enhance product functionality and performance.\nOwn Deliverables: Take responsibility for products and features developed by the team, ensuring successful deployment and ongoing support.\n\nWhat you'll bring to this role\nExtensive Technical Leadership Experience: Proven experience in technical leadership or senior software development roles with strong problem-solving and strategic thinking skills.\nTechnical Experience: Extensive experience with Python and cloud based environments \nProduct Focus: A product engineering mindset and focus on business impacts of technical efforts\nExcellent Communication Skills: Ability to lead diverse teams and collaborate effectively with various stakeholders.\nAgile Methodologies Familiarity: Knowledge of agile practices and project management techniques.\nKey Technologies.\nWe ask for expertise in some, and the willingness to learn where required\nCloud Platforms: AWS and GCP\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":4392,"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":["Market Research","AI Training Data & Annotation"],"lifecycle":[{"event":"open","at":"2026-08-19T00:00:00Z"},{"event":"open","at":"2026-10-12T05:37:38Z"},{"event":"expire","at":"2026-10-18T00:00:38Z"}],"visa":[],"liveness":null,"pay":null,"html_url":"https://alion.io/job/prolific-senior-software-engineer-ii","json_url":"https://alion.io/job/prolific-senior-software-engineer-ii.json","meta":{"generated_at":"2026-10-18T07:47:27Z","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":11604,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-19T00:00:00Z"}},"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-ii"},{"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-ii"},{"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-ii"},{"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-ii\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fprolific-senior-software-engineer-ii"}]}