Purpose of job:
Our aim is to become a market leader in the provision of Electric Vehicle charging solutions to Local Authorities and Businesses as part of our strategy to lead the transition to zero carbon.
The goal is to undertake an ambitious electric vehicle charging installation program, deploying high volume and quality EV installations across the nation. The target areas will be public destination charging locations, primarily deploying fast-charging solution 7.4k W to 22k W with potential 50k W to 200k W rapid solution as and when required. Our aim is to make the world a better place, one charge point at a time.
The Senior Backend Developer will work within Zest’s IT development team to plan and work with the developers in the creation of the functionality required to support our EV charge points management platform, website, and mobile apps.
Key Accountabilities:
The role is responsible for the following:

• Design, build and document the data integration and storage functionality
• Creation and management of development tasks for medium to large projects
• Provision of clear communication of work via diagrams and plans to seniors
• Efficient use of AWS products and features in terms of delivery time and costs
• Security and compliance of the functionality within the AWS platform
• Platform stability, scalability, connectivity, and performance
• Consideration to cost implications of solution designs
• Work closely with solution architect and platform team to ensure that AWS best practices are followed
• Ensure efficient coding standards are defined and applied to all developments
• Improvements in development tools to support project work
• Any other duties as required

Outcome, Results and Key performance indicators:

• Documented solutions for all deliverables
• Provision of secure re-usable automation code
• Re-creatable (automated build and test) for all deliverables
• Successfully meeting the goals of the IT team

Key Relationships:

• Internal – All Developers, Lead QA Engineer, Platform Engineer, Senior Business Analyst, Solution Architect, Project Managers, CTO
• External – As Required

Knowledge and Skills:

• At least 7 years development experience
• Understanding of AWS best practices and architectures
• API build, scaling, and security within serverless and containerised AWS environments
• Understanding of a microservice architecture
• Development using node JS/ Typescript
• AWS CDK (for Ia C), Git Lab, ADO CI/CD pipeline
• Use of API gateway, ECS, Event Bridge, Lambda
• Understanding and use of Server Events and/or Websockets
• The deployment and scaling of SQL and No SQL databases
• OCPP & OCPI protocols desirable

Behaviours:

• Strong Collaborative Teamwork skills
• Self-motivated self-starter
• Driven and able to work to tight deadlines
• Flexible and creative
• Patient and personable
• Excellent communication skills, able to articulate ideas and solutions at all levels of the business
• Good attention to detail
• Analytical problem solving

Qualifications:

• AWS certified developer, desirable
• Bachelor’s degree, desirable

Contract:

• 6 Month initial contract
• Salary – up to £450 per day

Zest is an equal opportunity employer, committed to the values and ultimately societal benefits of diversity, equity, and inclusion.
Job Type: Freelance
Pay: Up to £450.00 per day
Benefits:

• Work from home

Schedule:

• Monday to Friday

Ability to commute/relocate:

• Leeds, LS1 5DE: reliably commute or plan to relocate before starting work (required)

Work authorisation:

• United Kingdom (required)

Work Location: Hybrid remote in Leeds, LS1 5DE