Skip to content

Nobody tells you why you were rejected. We will. Free, in 30 seconds.

Score my CV against live jobs

Senior Software Engineer II

prolific · Remote

On-siteSeniorPosted 20 Aug 2026

What this role requires

3 requirements, read out of the advert rather than guessed from the job title:

Also mentioned, not required: JavaScript, TypeScript, Agile. Worth having, but their absence is not what gets a CV filtered out.

See how often each of these is required across open backend roles in Europe.

Check my CV against these 3 requirements

Free, no card. Tells you which of them your CV evidences and which it only implies.

Job description

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.

Read the full description (38 more sections)

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.

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.

 

Find Jobs in United Kingdom on Arbeitnow

You will apply. Then you will hear nothing.

And no one will tell you what was wrong. See it before you send: your ATS score, every weak line, and the fix for each.

  1. 1

    Drop in your CV

    One PDF, thirty seconds. No card.

  2. 2

    See what is wrong with it

    Every weak passage, quoted from your own CV, with the line to replace it.

  3. 3

    Apply where you fit

    Every European role ranked against what your CV actually says.

  • Free, no card
  • Your CV file is deleted after parsing
  • Refreshed every 6 hours