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SummarySalary band: 100,000 - 130,000Equity options: 0.25% - 0.5%Hybrid working policy: Minimum three days a week in our Holborn officeExperience level:At least seven years in commercial software engineeringIf you're looking to join an exceptional, fast-paced, and growing team building innovative products in FinTech, check out the full job description below and apply!MissionOur mission is to make stocks and options more accessible for the on-the-go investor, through an easy to use, mobile investment app.Investa aims to open up access to a market that was once reserved for the wealthiest investors, giving traders the chance to invest in their favourite stocks and then allowing the investor to use options to potentially power their investments.We focus on a specialised segment of the UK investor market, as options are a high risk and complex investment product that may not be suitable for every investor.The roleAs we approach the launch of our product, we are looking for a Principal Software Engineer to strengthen our engineering team.You will have extensive commercial experience designing, building and maintaining systems used in critical services or those handling significant volumes of activity.You will play a pivotal role in driving our technical strategy, ensuring the robustness, scalability, and security of our systems.If youre passionate about building best-in-class products to tackle complex challenges and you excel in a collaborative, fast-paced environment, we want to hear from you.This is a hybrid full-time position, which requires three days per week in our central London office, offering the opportunity to build a new options trading platform.What the role involvesWorking with the CTO to define the technical strategy and long-term architecture of the Investa platformDesigning, building, and maintaining robust, scalable, and secure systems for critical servicesEnsuring system performance, reliability, and securityCollaborating with cross-functional teams to build a class-leading productMentoring and guiding engineers, fostering a culture of continuous learning and improvementEnsure best practice through example and continual team feedbackRoot causing real-time production issues in a timely mannerTaking a pragmatic approach to software developmentYour backgroundExtensive experience in software engineering, with a focus on designing, building, and maintaining large-scale systemsProven track record of working with critical services or high-volume applicationsStrong proficiency in a number of programming languages, which can include Python, TypeScript, Java, JavaScript, Go and othersHighly driven by technology with experience across multiple platformsFamiliarity with serverless technologies (AWS, Azure or GCP)Deep understanding of system architecture, event-driven design and distributed systemsProduct-minded and able to work to solutions that are tightly aligned with the product goalsDriven and committed to helping grow the organisationCompensation100,000 - 130,000 salary range, tailored to level of experience0.25% - 0.50% of company shares to be granted in tax-efficient equity options, to provide ownership of the businessSalary review to take place on an annual basisAdditional equity options to be granted based on performance, tenure and milestonesOn-callAll engineers at Investa are involved in providing support for our products. This involves responding to events outside of working hours and is a core part of the role of all engineers.Interview processIntroductory chat with one of the founding team (20 mins)Introductory chat with the CTO (20 mins)Stage 1: Technical interview (75 mins)Stage 2: Technical interview (75 mins)Stage 3: Behavioural interview (45 mins)Offer