Lead Software Engineer

Kraken; Greater London; On-site; GBP 75,000 - 110,000; Full time

Job summary

Kraken is redefining the energy industry with its backend platform powering UK utilities. You will lead and contribute to building backend systems that handle billing, payments, and debt workflows while mentoring a team of engineers.

You’ll gain deep insight into how the UK energy market operates and shape our platforms with a product mindset to deliver reliable, scalable software that serves customers and partners across the energy sector.

Qualifications

• Proven experience building web backends with Python and Django.
• Strong ability to model complex domains and learn new industries quickly.
• Experience designing robust HTTP REST APIs and asynchronous processing with Celery.

Responsibilities

• Line management duties while staying hands-on with code.
• Ensure code quality through thoughtful reviews and mentoring.
• Build and maintain backend systems and support site for UK-based clients.

Skills

Python

Django

Domain modelling

HTTP & REST

Fault-tolerant software

Celery

PostgreSQL

Technical leadership

Job description

Help us use technology to make a big green dent in the universe!

Kraken powers some of the most innovative global developments in energy.

We create the technology that redefines utilities and unlocks a new energy system of the future. By optimising renewable generation, building a more intelligent grid, and empowering utilities to deliver an exceptional customer experience, our operating system is transforming the industry worldwide.

It’s an incredibly exciting time to work in energy. Join us on our mission to improve the lives of ONE BILLION humans within the decade and shape a cleaner, better future for everyone.

Where you'll fit in

The Kraken Customer – Financials team owns the money side of Kraken Customer. It provides the billing engine, lets customers pay bills, and includes debt-management tooling.

In practice, that means the team works on capabilities like:

• calculating charges using pricing rules, usage, taxes, discounts, and credits;

• generating and issuing bills and other billing documents through the right channels;

• payments and cashflow, including payment methods and confirmation of whether money actually moved;

• bookkeeping and ledger operations, including balances, transactions, credits, payments, repayments, and transfers;

• repayments/refunds and debt tracking workflows.

What you’ll own

• This role will involve line management duties, as well as being hands on and close to the code.

• You’ll be responsible for ensuring the quality of the code being delivered through thoughtful code review.

• Your team will be building and maintaining the backend systems and support site for UK-based clients to support their electricity and gas operations.

• You will gain a deep understanding of the inner workings of how the UK energy market operates and help shape our systems to improve them for our clients with a product mindset.

• Work with other market teams, primarily the UK market teams to support their operations.

• Work with client delivery to help prioritize, deliver and maintain work required by clients.

• Be responsible for monitoring and alerting of production systems and where required, lead and manage incidents.

• Help mentor, guide your team

What you bring to the party

• We’re looking for someone with a general interest in technology and problem-solving; someone diligent and thoughtful

• Your level will be Senior Software Engineer or above and we expect you to have experience/expertise in the following (in rough priority order):

• Python and Django (or equivalent web framework) web development experience, as you will be asked to work on some full-stack projects

• Domain modelling, and ability to quickly absorb information about a complex industry

• HTTP and REST APIs

• Writing robust and fault-tolerant software

• Celery and async processing

• Postgres

• Experience being a technical leader in a team

• We’re after someone who’s passionate about code, curious, and eager to learn. You’ll be solving problems with technology to help make us, and the industry, smarter and better for customers.

• You’ll be part of a talented tech team, working on meaningful solutions to real-world problems in an industry that needs innovation, care, and efficiency.

Are you ready for a career with us? We want to ensure you have the right tools and environment to unleash your potential. If you have any accommodation requests, please contact us at ----- We’ll do our best to tailor the experience to your needs so you can feel comfortable, confident and be at your best!

Studies have shown that some groups of people, like women, are less likely to apply to a role unless they meet 100% of the job requirements. Whoever you are, if you like one of our jobs, we encourage you to apply as you might just be the candidate we’re looking for! At Kraken, we're creating a team of genuine, honest, empathetic people. Our people are our strongest asset and the unique skills and perspectives people bring to the team are the driving force of our success. As an equal opportunity employer, we do not discriminate on the basis of any protected attribute. We consider all applicants without regard to race, colour, religion, national origin, age, sex, gender identity or expression, sexual orientation, marital or veteran status, disability, or any other legally protected status.

*Our (i) Applicant and Candidate Privacy Notice and Artificial Intelligence (AI) Notice, (ii) Website Privacy Notice and (iii) Cookie Notice govern the collection and use of your personal data in connection with your application and use of our website. These policies explain how we handle your personal data and outline your rights under applicable laws, including, but not limited to, the General Data Protection Regulation (GDPR) and the California Consumer Privacy Act (CCPA). Depending on your location, you may have the right to access, correct, or delete your information, object to processing, or withdraw consent. By applying, you acknowledge that you’ve read, understood and consent to these terms

Please note that, in line with our current recruitment policy, we are unable to offer visa sponsorship for this position; applicants must have the right to work in the country that they're applying to, at the time of application.*

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