senior javascript developer jobs in Welwyn Garden City

Senior Unity Developer – New Indie Studio – Hertfordshire Please read the information in this job post thoroughly to understand exactly what is expected of potential candidates. We have partnered with an exciting video games studio based in Hertfordshire, who require a Senior Programmer to work on a range of new titles on PC and Console platforms. The studio has built a fantastic reputation and...

Pontoon is an employment consultancy. We put expertise, energy, and enthusiasm into improving everyone's chance of being part of the workplace. We respect and appreciate people of all ethnicities, generations, religious beliefs, sexual orientations, gender identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them...

A global healthcare leader is seeking a Senior Statistical Methodology Data Scientist in Welwyn. This role is integral to innovating clinical trials by applying fit-for-purpose statistical methodologies. The ideal candidate will hold a Master's or PhD in a relevant field and have extensive experience in data science, statistics, and advanced analytical techniques, including proficiency in R or...

Job Description An exciting position has become available within a well-established small accountancy practice for an experienced Senior Accountant/Manager. Involved in ‘leading from the front’, you will have a hands-on role, and be expected to focus on customer retention and business development within the office and the wider network, whilst proactively seeking potential opportunities to...

You will be responsible for - Provide product and engineering teams with direction and guidance on all security matters. - Engage engineering leadership on security roadmap and oversee security posture of what they build. - Co‐own the security roadmap, discuss, prioritise, and co‐develop plans for remediation for the product areas.

A leading retail company is seeking a Senior Security Partner to enhance security within product areas. This role involves collaborating with engineering teams, addressing security challenges, and ensuring robust security measures are integrated throughout the software development lifecycle. Ideal candidates will have a strong background in security, experience with architectural practices, and...

You will be a self-starter who works well on individual and team related projects, with previous DevOps experience as well as demonstrable experience in Backend technologies, including SQL Server, MySQL & API Development, experience with 3rd Party API Integrations & complex server-side logic as well as NodeJS frameworks including ReactJS, NextJS, NestJS etc.

You will be responsible for Use your in-depth knowledge of JavaScript, Typescript, Node. JS, cloud and the backend services ecosystem to develop, and deploy scalable backend systems. Work with product managers to understand business/product requirements. Translate requirements into tasks & code.

You will also work with many different connectivity methods and security practices Carry out third line support activities and configuration requests If you are interested and are suitable, you will take responsibility for (partial) projects

You will receive individual training and coaching from experienced colleagues and will be supported in your personal development

we’re seeking a Senior Estimator with a strong background in civil engineering projects, particularly in drainage, utilities, and associated infrastructure works. You’ll play a pivotal role in developing accurate and competitive tenders for projects across the South East, working closely with our pre-construction, engineering, and delivery teams.Key Responsibilities * Prepare detailed and...

A leading retail technology firm is looking for a Senior Backend Engineer to join their London team. You'll be responsible for developing scalable backend systems using JavaScript and Node.JS. The position demands strong backend development skills, with a focus on working collaboratively with product teams to improve customer experiences. Successful candidates will have over 7 years of experience...

You will be responsible for Work in an Agile environment, where everyone has the opportunity to shape their work and collaborate across different skills to achieve shared goals. Follow Tesco's project management principles, including stakeholder engagement, project setup and organisation, budget management, and delivering cost savings and customer experience improvements.

You will be the face of security group for them. Everything you do is in the context of the product, roadmap, its risk acceptance level, the technology stack, and its architecture. You build a comprehensive understanding of the threat landscape and its potential risks to the business.

A global healthcare leader is seeking a Senior Statistical Methodology Data Scientist in Welwyn. The role involves leading the adoption of statistical methodologies in early clinical development, collaborating with cross-functional teams, and translating scientific questions into analytical frameworks. Candidates should have a Master's or PhD in a relevant field and expertise in R or Python. This...

Senior Backend Engineer (Node.js) - London at Tesco Technology As a backend development Engineer, you'll be working in an agile team of industry leading engineers to define and develop Tesco's xAPI (Experience API) that powers Tesco's various shopping experiences i.e., tesco.com, the mobile shop application, store and other internal facing applications. You'll be a passionate, pragmatic Engineer...

You will responsible for designing and implementing both manual and automated testing frameworks while partnering with our development teams drive best practices in software quality.

You will be responsible for •Work closely with product managers and developers to understand product requirements and design.

You will utilize technologies like JavaScript, TypeScript, and Node. JS to enhance various shopping experiences. Responsibilities include collaborating with product managers, writing secure code, and optimizing software performance. The ideal candidate has extensive experience in backend development, with a strong focus on maintainability and high-quality software.

You will be responsible for Partnering with senior team members (WL5) to influence and develop strategic direction for functional learning for both the what and the how from a Group perspective.

You will need Setting group wide capability strategies and gaining engagement, consensus and sign off for these.

Senior .NET Engineer - Payments The payments service team are the heart of Tesco Technology, serving 28 million+ shoppers in the UK and abroad. We deliver HTTP services that reliably manage payments at global scale, 24 hours a day a day, while also providing capabilities that detect and prevent fraud. With 100M+ transactions and billions of events per day, we operate a billion pounds worth of...

Tesco is the biggest Online grocer in the UK and one of the largest in the world. Our Fulfilment operation is fundamental to supporting the success of Online, and the greatest lever in achieving our profitability objectives. As a Lead Operations Development Manager, you'll turn strategy into action by delivering plans effectively and working collaboratively with a wide range of functions and...