

Senior Software Engineer
Senior Software Engineer
Senior Software Engineer
Experience Level
Experience Level
Experience Level
Mid-Level
Mid-Level
Mid-Level
Salary
Salary
Salary
120k-160k USD
120k-160k USD
120k-160k USD
Role overview
Role overview
Role overview
The Senior Full-Stack Engineer will lead the development of our next-generation AI-powered platform, bridging the gap between cutting-edge technology and user-centric design. Develop and maintain web applications using JavaScript, React, and Node.js. Collaborate with cross-functional teams to design and implement new features.
The Senior Full-Stack Engineer will lead the development of our next-generation AI-powered platform, bridging the gap between cutting-edge technology and user-centric design. Develop and maintain web applications using JavaScript, React, and Node.js. Collaborate with cross-functional teams to design and implement new features.
The Senior Full-Stack Engineer will lead the development of our next-generation AI-powered platform, bridging the gap between cutting-edge technology and user-centric design. Develop and maintain web applications using JavaScript, React, and Node.js. Collaborate with cross-functional teams to design and implement new features.
Key responsibilities
Key responsibilities
Key responsibilities
- Architect and implement scalable, cloud-native applications 
- Architect and implement scalable, cloud-native applications 
- Architect and implement scalable, cloud-native applications 
- Lead cross-functional teams in agile development processes 
- Lead cross-functional teams in agile development processes 
- Lead cross-functional teams in agile development processes 
- Develop and maintain both frontend and backend systems 
- Develop and maintain both frontend and backend systems 
- Develop and maintain both frontend and backend systems 
- Develop and maintain both frontend and backend systems 
- Develop and maintain both frontend and backend systems 
- Develop and maintain both frontend and backend systems 
- Optimize application performance and ensure high availability 
- Optimize application performance and ensure high availability 
- Optimize application performance and ensure high availability 
- Mentor junior developers and foster a culture of innovation 
- Mentor junior developers and foster a culture of innovation 
- Mentor junior developers and foster a culture of innovation 
Required skills and qualifications
Required skills and qualifications
Required skills and qualifications
- 5+ years of experience in full-stack development 
- 5+ years of experience in full-stack development 
- 5+ years of experience in full-stack development 
- Proficiency in modern JavaScript frameworks (e.g., React, Vue.js) 
- Proficiency in modern JavaScript frameworks (e.g., React, Vue.js) 
- Proficiency in modern JavaScript frameworks (e.g., React, Vue.js) 
- Strong background in server-side technologies (e.g., Node.js, Python) 
- Strong background in server-side technologies (e.g., Node.js, Python) 
- Strong background in server-side technologies (e.g., Node.js, Python) 
- Knowledge of DevOps practices and CI/CD pipelines 
- Knowledge of DevOps practices and CI/CD pipelines 
- Knowledge of DevOps practices and CI/CD pipelines 
Desired attributes
Desired attributes
Desired attributes
- Adaptability to rapidly evolving technologies 
- Adaptability to rapidly evolving technologies 
- Adaptability to rapidly evolving technologies 
- Strong problem-solving and analytical skills 
- Strong problem-solving and analytical skills 
- Strong problem-solving and analytical skills 
- Excellent communication and collaboration abilities 
- Excellent communication and collaboration abilities 
- Excellent communication and collaboration abilities 
- Passion for creating user-friendly, accessible applications 
- Passion for creating user-friendly, accessible applications 
- Passion for creating user-friendly, accessible applications 
- Continuous learner with a growth mindset 
- Continuous learner with a growth mindset 
- Continuous learner with a growth mindset 
Work environment and culture
Work environment and culture
Work environment and culture
Join a diverse, inclusive team that values creativity, transparency, and work-life balance. Our collaborative spaces are designed to foster innovation and cross-pollination of ideas.
Join a diverse, inclusive team that values creativity, transparency, and work-life balance. Our collaborative spaces are designed to foster innovation and cross-pollination of ideas.
Join a diverse, inclusive team that values creativity, transparency, and work-life balance. Our collaborative spaces are designed to foster innovation and cross-pollination of ideas.
Flexibility and work arrangements
Flexibility and work arrangements
Flexibility and work arrangements
Embrace our hybrid work model with flexible hours. Choose to work from our state-of-the-art office, your home, or anywhere in the world that inspires you.
Embrace our hybrid work model with flexible hours. Choose to work from our state-of-the-art office, your home, or anywhere in the world that inspires you.
Embrace our hybrid work model with flexible hours. Choose to work from our state-of-the-art office, your home, or anywhere in the world that inspires you.
Growth and development opportunities:
Growth and development opportunities:
Growth and development opportunities:
- Personalized learning and development plans 
- Personalized learning and development plans 
- Personalized learning and development plans 
- Regular hackathons and innovation challenges 
- Regular hackathons and innovation challenges 
- Regular hackathons and innovation challenges 
- Conference attendance and speaking opportunities 
- Conference attendance and speaking opportunities 
- Conference attendance and speaking opportunities 
- Cross-functional project rotations 
- Cross-functional project rotations 
- Cross-functional project rotations 
- Leadership training and mentorship programs 
- Leadership training and mentorship programs 
- Leadership training and mentorship programs 
- Personalized learning and development plans 
- Personalized learning and development plans 
- Personalized learning and development plans 
Technology and tools
Technology and tools
Technology and tools
Work with cutting-edge technologies including AI/ML frameworks, blockchain, and IoT. Our tech stack evolves with industry trends, ensuring you're always at the forefront of innovation.
Work with cutting-edge technologies including AI/ML frameworks, blockchain, and IoT. Our tech stack evolves with industry trends, ensuring you're always at the forefront of innovation.
Work with cutting-edge technologies including AI/ML frameworks, blockchain, and IoT. Our tech stack evolves with industry trends, ensuring you're always at the forefront of innovation.
Impact and purpose
Impact and purpose
Impact and purpose
Contribute to projects that make a real difference in people's lives. Our platform aims to democratize access to advanced technologies, empowering individuals and businesses worldwide.
Contribute to projects that make a real difference in people's lives. Our platform aims to democratize access to advanced technologies, empowering individuals and businesses worldwide.
Contribute to projects that make a real difference in people's lives. Our platform aims to democratize access to advanced technologies, empowering individuals and businesses worldwide.
Compensation and benefits
Compensation and benefits
Compensation and benefits
- Competitive salary with performance-based bonuses 
- Competitive salary with performance-based bonuses 
- Competitive salary with performance-based bonuses 
- Equity options in our fast-growing company 
- Equity options in our fast-growing company 
- Equity options in our fast-growing company 
- Comprehensive health and wellness package 
- Comprehensive health and wellness package 
- Comprehensive health and wellness package 
- Unlimited paid time off 
- Unlimited paid time off 
- Unlimited paid time off 
- 401(k) matching and financial planning assistance 
- 401(k) matching and financial planning assistance 
- 401(k) matching and financial planning assistance 
- Annual personal development budget 
- Annual personal development budget 
- Annual personal development budget 
- Parental leave and childcare support 
- Parental leave and childcare support 
- Parental leave and childcare support 
Are you interested to join our team?
Are you interested to join our team?
Learn more about the Job
Learn more about the Job
Learn more about the Job
Your Team
The engineering team consists of 10 developers led by a senior architect. You'll work closely with designers and product managers.

Luna Ramirez
Spearheading investments in sustainable energy startups across Asia-Pacific.

Max Chen
Pioneering funding initiatives for women-owned businesses in emerging markets.

Isabella Thompson
Trailblazing angel investments in AI-driven healthcare solutions.

Alejandro Santos
Championing EU-based startups revolutionizing the fintech industry.

Maya Patel
Advancing funding for blockchain startups focused on decentralized finance.
Who you'll work with
Your Team
The engineering team consists of 10 developers led by a senior architect. You'll work closely with designers and product managers.

Luna Ramirez
Spearheading investments in sustainable energy startups across Asia-Pacific.

Max Chen
Pioneering funding initiatives for women-owned businesses in emerging markets.

Isabella Thompson
Trailblazing angel investments in AI-driven healthcare solutions.

Alejandro Santos
Championing EU-based startups revolutionizing the fintech industry.

Maya Patel
Advancing funding for blockchain startups focused on decentralized finance.
Who you'll work with
Learn more about our Company
Learn more about our Company
Learn more about our Company
Puzzle is an AI research and deployment company. Our mission is to ensure that artificial general intelligence benefits all of humanity.
Puzzle Inc.
800 Employees
Technology & AI
London








Puzzle is an AI research and deployment company. Our mission is to ensure that artificial general intelligence benefits all of humanity.
Puzzle Inc.
800 Employees
Technology & AI
London








We're thrilled to share our Career Site with you – it's just a glimpse into the exciting journey that awaits you at Horizon.
We're thrilled to share our Career Site with you – it's just a glimpse into the exciting journey that awaits you at Horizon.
We're thrilled to share our Career Site with you – it's just a glimpse into the exciting journey that awaits you at Horizon.
Yours,
Yours,
Yours,
Isabella - Head of People @ Horizon
Isabella - Head of People @ Horizon
Isabella - Head of People @ Horizon
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Talk to Sales