javascript jobs in Chesterfield

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...

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.

About Us: We're a forward-thinking technology company building innovative web solutions using modern development practices. Our team values continuous learning, collaboration, and cutting-edge technology to create exceptional digital experiences. Position Summary: We're seeking an enthusiastic Entry-Level JavaScript Developer to join our dynamic team on a contract basis. This is an excellent...

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...

You will be expected to: ● Develop new features working with the data science ● Develop bug fixes and security patches promptly

You must be able to demonstrate the following: ● 6+ years experience full-stack development ● High proficiency with Typescript, React, Next, Azure, Pulumi and Node

Job Description 💻: GIS Development 🏢: Leading Global Marine Company 🍃: Offshore Wind 📌: Remote - 1 trip per month to the office An established geoscience and offshore energy consultancy is looking for a Geospatial Developer to join its UK-based team, with opportunities to work from Newcastle, Aberdeen, Glasgow or London 🌍 This role is ideal for someone who enjoys turning complex spatial...

Web Developer Location: Remote Role Overview Our clients are seeking an experienced Web Developer to build, maintain, and enhance their web-based platforms. The role involves working closely with internal teams and third-party partners to deliver robust, scalable solutions that support MTS’s growing digital and e-commerce footprint. Key Responsibilities - Collaborate with technical and...

Junior ServiceNow Developer Client: Major UK Retail Organisation Platform: ServiceNow Focus: CMS, Service Portal, Front-End Development, Quality & Testing Role Overview The Junior ServiceNow Developer will support the design, development, and testing of ServiceNow CMS and Service Portal solutions within a regulated retail environment. The role is delivery-focused, working under the guidance...

You must speak, write and be able to understand fluent English. - Deep knowledge and regular usage of Firebase suite, especially Firestore. - Strong proficiency in TypeScript and modern JavaScript (ES6+).

You must enjoy constantly learning and researching to improve your level of expertise.

Software Engineer Fully Remote | Permanent | Competitive Salary + Benefits Harrington Starr has partnered with a leading Global Payments Technology company who are seeking to hire a Software Engineer to join their growing engineering team. This is an exciting opportunity to work on scalable, resilient systems while contributing to real-world solutions in the financial technology space. Key...

About Aero A digital experience company, we sit at the intersection of insights, creativity and technology, crafting digital experiences that transform business performance. We’re a small, fully remote team with big ambitions. We work hands-on with our clients, giving our teams genuine ownership of their work. Every project you touch will be seen by thousands of people and will directly...

You will wear multiple hats and solve varied problems.

Quality Assurance Automation Engineer (Remote) Shape the future of data‑driven technology in a rapidly scaling organisation We’re seeking a Quality Assurance Automation Engineer who is passionate about technology, data quality, and building products that make a real‑world impact. This is a unique opportunity to step into a high‑visibility role within a fast‑growing tech company backed by major...

SOFTWARE ENGINEER REMOTE (OPTION TO RELLOCATE) £110K + EQUITY THE COMPANY This innovative AI startup is redefining safety and reliability in AI models. While competitors like GPT and DeepMind struggle with hallucinations and illegal content generation, this company adds safety control layers to ensure AI outputs are trustworthy and compliant. Working with high-profile, they’re building AI...

Title: Forward Deployed Engineer – AI & Customer-Facing Technical Leader Location: Remote Travel: Customer visits 4–5 days/month; occasional team gatherings Salary: Senior: €130–150k base + growth trajectory Principal: €160–200k base + package discussion Tech: Python, JavaScript, Azure, AWS, AI, LLM's, RAG Industry: AI Consultancy The Role We’re looking for talented engineers to join our...

Company Description OmniforceAI is a global AI automation consultancy specialising in agentic AI systems and business transformation. We build AI agents and systems that enable real-time operational intelligence for businesses across finance, consulting, and service industries. Role Description We're looking for an AI Agentic Engineer to support our team in designing and building...

D365 Architect | Contract | Fully remote (UK-wide) We are seeking a highly experienced and versatile Dynamics 365 CE Solution Architect to lead the design and implementation of an enterprise-level CRM transformation. This is a unique "hybrid" architect role; while you will be the technical lead for architectural decisions and stakeholder management, you must be a hands-on practitioner willing to...

You will work across cutting‑edge platforms including Payment Networks, Digital Banking, Emerging Payments, and highly scalable data and analytics environments built on Google Cloud Platform, Data Lakes and Power BI. This role involves modern engineering, integration, testing, and hands‑on development within a high‑impact digital landscape.

Software Developer (Web & Internal Tools) Remote-first | UK-based up to £50,000 PA Dependent on experience We’re supporting a well established UK adventure business that has recently brought its website development in-house and is now modernising internal systems and tooling. This is a hands on role in a small, trusted tech team, working across a customer facing web platform and the internal...

Senior QA Engineer / Team Lead (C# .Net AWS) London / WFH to £100k Do you have expertise with Test Automation combined with leadership skills? You could be joining a growing and profitable scale-up that is viewed as a leading FinTech disruptor in a senior role that will allow you a great deal of influence and progression. As a Senior QA Engineer / Team Lead you will lead the transformation of...