JobLarper
JobLarperCompaniesProlific › Senior Software Engineer II

Senior Software Engineer II

Prolific — Making diverse, high-quality data easily available to anyone, anywhere

Remote, UK Remote Senior+ Posted May 11, 2026
TypeScriptJavaScriptPythonVueREST/APIsCloud

About the role

Senior Software Engineer II

Team: Engineering

Prolific

Prolific 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.

The role

As 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.

We are looking for candidates with strong experience designing and delivering authentication and authorisation systems, including organisation and permission management within multi-tenant and multi-user architectures. Hands-on experience with identity and access management platforms such as Auth0 and Okta is highly desirable.

What you’ll bring to the role

Lead Technical Projects : Oversee the design and implementation of key projects, delivering innovative solutions that align with business goals and customer needs.

Collaborate with Stakeholders : Work closely with Product Managers and other stakeholders to define project scope, timelines, and resources, providing expert technical guidance.

Drive 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.

Mentor and Develop Team Members : Foster a collaborative and inclusive team environment, mentoring others and assisting in hiring and onboarding new talent.

Influence Technical Direction : Play a key role in strategic technical decisions, promoting the adoption of new technologies and processes to enhance product functionality and performance.

Own Deliverables : Take responsibility for products and features developed by the team, ensuring successful deployment and ongoing support.

What you'll bring to this role

Extensive Technical Leadership Experience : Proven experience in technical leadership or senior software development roles with strong problem-solving and strategic thinking skills.

Technical Experience: Extensive experience with Python and cloud based environments

Product Focus: A product engineering mindset and focus on business impacts of technical efforts

Excellent Communication Skills : Ability to lead diverse teams and collaborate effectively with various stakeholders.

Agile Methodologies Familiarity : Knowledge of agile practices and project management techniques.

Key Technologies.

We ask for expertise in some, and the willingness to learn where required

Cloud Platforms : AWS and GCP

Programming Languages : Python, JavaScript, and TypeScript

Frameworks : Vue.js, Django Rest Framework, Container-based and Serverless architectures

Databases : MongoDB and DynamoDB

DevOps and Monitoring: CircleCI, GitHub Actions, Kubernetes, Celery, EventBridge and DataDog

Why Prolific is a great place to work

We'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.

We 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.

Working 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.

Links to more information on Prolific

Benefits

External Handbook

Website

Youtube

Privacy Statement

By 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.

What the index says about this role

  • First seen by JobLarper — Aug 2, 2026, 6 days ago. Older postings collect hundreds of applicants — a tailored résumé matters more the longer a role has been live.
  • No pay range in our index for this listing. Across 20 indexed Software Engineer roles in EMEA that do publish one, the middle half sits between $175k and $330k, median $309k — JobLarper's read of the market, not a figure from Prolific.
  • What Software Engineer roles ask for — across 10,230 indexed openings: REST/APIs (46%), Backend (42%), Cloud (38%), Python (38%), Go (25%). This posting names REST/APIs, Cloud, Python.
  • Prolific is hiring actively — 15 open roles indexed.

Derived from the 27,000 roles JobLarper indexes daily from official company boards — not from the job description above.

⚡ JobLarper watched this role appear on Prolific's official board on May 11, 2026. Sign up free to get alerted minutes after roles like this go live, and tailor your real résumé to the exact description — nothing invented.

More open roles at Prolific

All 15 open roles at Prolific →

Similar Software Engineer roles at other companies