developer python javascript jobs in Hertfordshire

Jobs found: 351
Client Server Limited
St Albans

Job Description C# Developer / Full Stack Engineer (.Net Core JavaScript) St Albans / WFH to £100k Do you have expertise with C# .Net backend development combined with JavaScript skills? You could be progressing your career in a senior hands-on role at a technology driven trading company that invest in Sports betting markets with a flat structure where you will get your voice heard and can...

Remote
2 days ago
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Enigma Software Solutions
Watford

Position: Front End JavaScript Developer Reports to: Front End Development Team Lead Hours: 40 hours Location: 3 days in North London office (Monday – Wednesday) Salary: £60 - £80,000 + eligibility for performance bonus Start date: ASAP Purpose of the role: As a Front End Developer you will join one of our multinational Scrum teams to create state-of-the-art software solutions. In all...

a day ago
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TriloDocs (part of Genactis Group)
Stevenage

About TriloDocs TriloDocs is a growing company at the intersection of technology and life sciences. We help pharma and healthcare organizations transform scientific data into clear, structured documents. Our team is passionate about creating intuitive, reliable tools that make a real difference. The Role We're looking for a Mid-Level to Senior Python Developer with a strong STEM background —...

2 days ago
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Understanding Solutions
Hemel Hempstead

Python Developer Duration: 6-month contract Day Rate: £425 (Outside IR35) Location: Remote - UK Based Client Start Date: ASAP Are you actively looking for a new Python contract? A fast-growing AI start-up is looking for Python engineers to help deliver AI-driven workflows and virtual agent systems for their customers. This is a short-term, hands-on role to support their implementation team...

3 hours ago
Urban Digital Recruitment Ltd
Hemel Hempstead

You will be a great fit if you: - Have 5+ years full-stack experience, with strong JavaScript/TypeScript depth. - Are backend-leaning, with deep Node. js and API experience. - Have previously worked in early-stage start-ups or very lean engineering teams. - Have extensive evidence of being a hands-on individual contributor in complex codebases.

3 hours ago
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Harnham Search and Selection
Watford

Senior Python Scraping Engineer Location: Fully remote Salary: £60,000 – £70,000 The Opportunity I'm looking for a Python Scraping Engineer to join a growing AI-focused data team. What You'll Do - Design, build, and maintain large-scale production web scrapers - Tackle advanced anti-bot and detection systems - Work with browser automation and dynamic, JavaScript-heavy sites - Improve...

a day ago
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Beamost Ltd
Hemel Hempstead

We’re expanding our engineering team and hiring a Senior Python Software Engineer to help own and develop an established trading-related application. The system runs in production, processes high-frequency real-time data, and needs careful performance engineering and disciplined testing to keep latency and reliability where they should be. You’ll take meaningful ownership day-to-day, partnering...

Hybrid
a day ago
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Enigma Software Solutions
Hemel Hempstead

Position: Front End JavaScript Developer Reports to: Front End Development Team Lead Hours: 40 hours Location: 3 days in North London office (Monday – Wednesday) Salary: £60 - £80,000 + eligibility for performance bonus Start date: ASAP Purpose of the role: As a Front End Developer you will join one of our multinational Scrum teams to create state-of-the-art software solutions. In all...

4 days ago
Urban Digital Recruitment Ltd
Stevenage

You will be a great fit if you: - Have 5+ years full-stack experience, with strong JavaScript/TypeScript depth. - Are backend-leaning, with deep Node. js and API experience. - Have previously worked in early-stage start-ups or very lean engineering teams. - Have extensive evidence of being a hands-on individual contributor in complex codebases.

3 hours ago
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Harnham Search and Selection
Stevenage

Senior Python Scraping Engineer Location: Fully remote Salary: £60,000 – £70,000 The Opportunity I'm looking for a Python Scraping Engineer to join a growing AI-focused data team. What You’ll Do - Design, build, and maintain large-scale production web scrapers - Tackle advanced anti-bot and detection systems - Work with browser automation and dynamic, JavaScript-heavy sites - Improve...

3 days ago
Client Server Limited
Watford

C# Developer / Full Stack Engineer (.Net Core JavaScript) St Albans / WFH to £100k Do you have expertise with C# .Net backend development combined with JavaScript skills? You could be progressing your career in a senior hands-on role at a technology driven trading company that invest in Sports betting markets with a flat structure where you will get your voice heard and can make a real impact...

Remote
a day ago
Bookmark Not interested
Understanding Solutions
Stevenage

Python Developer Duration: 6-month contract Day Rate: £425 (Outside IR35) Location: Remote - UK Based Client Start Date: ASAP Are you actively looking for a new Python contract? A fast-growing AI start-up is looking for Python engineers to help deliver AI-driven workflows and virtual agent systems for their customers. This is a short-term, hands-on role to support their implementation team...

3 hours ago
Bookmark Not interested
Beamost Ltd
Watford

We're expanding our engineering team and hiring a Senior Python Software Engineer to help own and develop an established trading-related application. The system runs in production, processes high-frequency real-time data, and needs careful performance engineering and disciplined testing to keep latency and reliability where they should be. You'll take meaningful ownership day-to-day, partnering...

Hybrid
a day ago
Bookmark Not interested
TriloDocs (part of Genactis Group)
Hemel Hempstead

About TriloDocs TriloDocs is a growing company at the intersection of technology and life sciences. We help pharma and healthcare organizations transform scientific data into clear, structured documents. Our team is passionate about creating intuitive, reliable tools that make a real difference. The Role We're looking for a Mid-Level to Senior Python Developer with a strong STEM background —...

2 days ago
Bookmark Not interested
TriloDocs (part of Genactis Group)
Watford

About TriloDocs TriloDocs is a growing company at the intersection of technology and life sciences. We help pharma and healthcare organizations transform scientific data into clear, structured documents. Our team is passionate about creating intuitive, reliable tools that make a real difference. The Role We're looking for a Mid-Level to Senior Python Developer with a strong STEM background —...

a day ago
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developer python javascript, Hertfordshire
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Harnham Search and Selection
Stevenage

Python Scraping Engineer Location: Fully remote Salary: £40,000 – £60,000 The Opportunity I'm looking for a Python Scraping Engineer to join a growing AI-focused data team. What You’ll Do - Design, build, and maintain large-scale production web scrapers - Tackle advanced anti-bot and detection systems - Work with browser automation and dynamic, JavaScript-heavy sites - Improve scraper...

3 days ago
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Enigma Software Solutions
Stevenage

Position: Front End JavaScript Developer Reports to: Front End Development Team Lead Hours: 40 hours Location: 3 days in North London office (Monday – Wednesday) Salary: £60 - £80,000 + eligibility for performance bonus Start date: ASAP Purpose of the role: As a Front End Developer you will join one of our multinational Scrum teams to create state-of-the-art software solutions. In all...

4 days ago
Bookmark Not interested
Harnham Search and Selection
Watford

Python Scraping Engineer Location: Fully remote Salary: £40,000 – £60,000 The Opportunity I'm looking for a Python Scraping Engineer to join a growing AI-focused data team. What You'll Do - Design, build, and maintain large-scale production web scrapers - Tackle advanced anti-bot and detection systems - Work with browser automation and dynamic, JavaScript-heavy sites - Improve scraper...

a day ago
Bookmark Not interested
Harnham Search and Selection
Hemel Hempstead

Senior Python Scraping Engineer Location: Fully remote Salary: £60,000 – £70,000 The Opportunity I'm looking for a Python Scraping Engineer to join a growing AI-focused data team. What You’ll Do - Design, build, and maintain large-scale production web scrapers - Tackle advanced anti-bot and detection systems - Work with browser automation and dynamic, JavaScript-heavy sites - Improve...

3 days ago
Bookmark Not interested
Harnham Search and Selection
Hemel Hempstead

Python Scraping Engineer Location: Fully remote Salary: £40,000 – £60,000 The Opportunity I'm looking for a Python Scraping Engineer to join a growing AI-focused data team. What You’ll Do - Design, build, and maintain large-scale production web scrapers - Tackle advanced anti-bot and detection systems - Work with browser automation and dynamic, JavaScript-heavy sites - Improve scraper...

3 days ago
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