Top Tech Jobs & Startup Jobs in London

As an iOS Developer, you will build and maintain AI-powered iOS applications focusing on performance, reliability, and user trust. Collaborate with engineers to integrate AI features, design UX patterns, and optimize app performance.

The Applied AI Engineer will develop and deploy AI features, enhance model performance, optimize systems for reliability, and collaborate with teams to address complex problems.

As a Technical Product Manager for AI Systems, you will define system requirements, collaborate with engineers, ensure product quality, and align AI capabilities with user needs.

Develop end-to-end AI product features by integrating LLMs and external tools, ensuring system reliability and performance across multiple tasks.

Lead engineering systems and teams for an AI chat application, focusing on backend, mobile, and desktop. Oversee strategy, architecture, integration, and high-impact technical decisions for reliable user experiences.

The Software Engineer will develop and maintain cross-platform desktop applications, focusing on performance, reliability, and integration of AI features. Responsibilities include optimizing applications, managing local data, and ensuring stability on macOS and Windows.

Run full-cycle recruitment across multiple functions and regions: take briefs, source (LinkedIn, job boards, referrals), screen, interview, manage ATS, build pipelines, close roles quickly, and improve hiring processes and employer brand.

Lead end-to-end product design for web and mobile experiences, create wireframes, prototypes, user flows and polished UIs, run usability testing, iterate designs, and evolve a scalable design system in cross-functional teams.

Lead and operate BJAK's global HR function across multiple countries. Build and run talent acquisition, performance management, payroll, compensation, benefits, L&D, and HR operations. Act as hands-on HRBP to founders and leaders, drive hiring, employee engagement, compliance, and scalable HR systems while building a small high-performing HR team.

Serve as an embedded HR advisor partnering with leaders across regions to drive performance management, workforce planning, employee relations, talent initiatives, and people-data analysis to translate business goals into people actions.