--- title: 'Senior Software Engineer II at Thought Machine' canonical: 'https://feeny.ai/job/senior-software-engineer-ii-thought-machine-lisbon-k81vj25ewd35' type: 'job' last_seen: '2026-09-07' --- # Senior Software Engineer II at Thought Machine - **Company:** Thought Machine - **Location:** Lisbon, Portugal - **Compensation:** €100k–€120k - **Employment:** full-time - **Work type:** onsite - **Posted:** 2026-07-16 - **Last confirmed live:** 2026-09-07 - **Apply:** https://jobs.ashbyhq.com/thought-machine/57b4a008-f925-4d61-9827-d528b3accfb6 ## Job description Thought Machine's mission is bold – to properly and permanently rid the world's banks of legacy technology. To achieve this, we have developed the foundations of modern banking through core and payments technology which run natively in the cloud. What we are attempting is hard and means we need great people working together to build great technology. We have grown rapidly in the past few years – growing our team to more than 550 individuals across offices in London, New York, Singapore, Sydney and our newly established Engineering Hub in Lisbon. We have raised more than £500m in funding and our investors include Molten Ventures, Eurazeo, Intesa Sanpaolo, Temasek, Nyca Partners, JPMorgan Chase Strategic Investments, Standard Chartered Ventures, and more. We have created a culture that enables our team to produce the best work in the industry while ensuring we have fun along the way. We're regularly cited as having a fantastic workplace culture and have been recognised by Sifted magazine as having one of the highest Glassdoor ratings for a UK fintech company and the industry's most generous employee share package. Named one of the world's most innovative fintechs by Global Finance Magazine, we were also recognised by the Financial Times as one of Europe's fastest-growing companies for two consecutive years—and a UK Best Employer for 2026. ## ABOUT THE ROLE As a Senior Software Engineer II, you operate with a wide sphere of influence. You will own complex, highly ambiguous technical challenges end-to-end, handling unexpected hurdles independently and gracefully. Your role goes beyond individual team delivery; you will drive systemic, organisational change and shape the long-term technical direction of our platforms. You will actively drive our engineering and company principles by aligning with our broader codebase, architecture, objectives, and goals, while acting as a crucial link between senior leadership, external stakeholders, and engineering teams. ## WHAT YOU’LL DO Technical Leadership - Design & Build: Create solutions to highly complex problems, utilising a deep understanding of the codebase and architecture, and lead the direction for future technical change. - Architecture & Standards: Utilise expertise to enable solutions to meet security, performance, cost, reliability, maintainability, and scalability requirements in a repeatable way and beyond existing capabilities, shaping the overall technical direction. Take part in defining standards and engineering practices for the entire company. Drive adoption of latest technologies, such as AI-tools, to scale developer velocity and code quality, keeping Thought Machine always ahead of the curve. - Technical Direction: Keep a pulse on industry-leading software trends and best practices, introducing new tools and processes that shape Thought Machine's technical roadmap. - Code Quality & Peer Review: Provide technical leadership and guidance to support others, ensuring their work items consider broader impact, long-term outcomes, and strategic direction end-to-end. - Operational Excellence: Investigate complex issues spanning across services in non-local or production environments (including across environments, clusters, and products), and possess a deep understanding to drive improvements to operational and production support processes. - Hiring: Lead technical interviews to actively evaluate the capability of Subject Matter Experts (SMEs) and leadership roles.. Product & Delivery - End-to-End Ownership: Own the solution to work items of undefined scope and high complexity end-to-end, handling unexpected complexity gracefully and independently. Drive delivery requiring effective and timely stakeholder management across larger milestones, which can potentially span multiple units or departments. - Product Vision: Utilise a deep understanding of the product to envision and contribute to future solutions, plans, and approaches. Drive the direction and actively contribute to the product strategy, vision, and long-term roadmap. Collaboration & Mentorship - Strategic Communication: Communicate seamlessly with stakeholders at all levels, managing leadership expectations while preserving the agility and focus of engineering teams. Build consensus, and enable solutions to complex, changing requirements - Team Growth: Inspire and empower others by example and through your guidance, knowledge sharing, and idea creation. Understand the capabilities and expertise of others to enable effective delegation and personal growth. Empower, inspire, and delegate effectively to senior engineers, fostering an environment of technical excellence and continuous growth. ## WHAT WE’RE LOOKING FOR - Technical Expertise and Leadership: Deep expertise in modern backend languages (ideally Go/Python) and large-scale, cloud-native systems. A proven technical leader who champions industry best practices, mentors peers, and drives the delivery of solutions to highly complex problems. - Problem Solving: A proven ability to solve highly complex problems of undefined scope, utilising your expertise for decision-making that actively influences the strategic direction of the department. - Production Operations: Extensive experience investigating complex issues across multiple environments, clusters, and products, with a demonstrated ability to drive systemic improvements to operational and production support processes. - Egoless Collaboration: A visionary mindset that does not accept the status quo. You are receptive to new ideas, able to see how different approaches can be combined advantageously, and focused on finding solutions that improve company and client outcomes. - Communication: Exceptional communication skills with the capability to provide leadership across a variety of stakeholders, drive organisational change, and set the direction for how engineers operate with technical excellence. ## Benefits - Highly competitive salary - Voluntary Pension Plan (match up to 5%) - Private Healthcare Insurance - Comprehensive Life Insurance - 25 days holiday plus public holidays - Two charity days a year - Daily Meal Allowance - Access to outstanding learning materials and courses - Sports and hobby clubs, subsidised by Thought Machine - All the latest tech you need - Huge range of healthy (and not-so-healthy) snacks, smoothies and drinks - A talented and experienced team as your colleagues - An environment where we encourage learning and progress We actively hire candidates who demonstrate technical excellence in their field and welcome people of all ages and backgrounds, providing everyone with equal access to professional development. You are encouraged to apply even if your experience doesn't accurately match the job description. We also encourage applications from those with different abilities, including candidates with ADHD, autism, dyslexia or dyspraxia. We actively hire candidates who demonstrate technical excellence in their field and welcome people of all ages and backgrounds, providing everyone with equal access to professional development. You are encouraged to apply even if your experience doesn't accurately match the job description. We also encourage applications from those with different abilities, including candidates with ADHD, autism, dyslexia or dyspraxia. ## About Thought Machine ## Company Overview - **One-liner**: Thought Machine provides cloud-native core banking and payments platforms that enable banks to build and run any financial product without legacy constraints. - **Entity Type**: Private (Series D, valuation $2.7bn as of 2023) - **Headquarters**: London, United Kingdom - **Founded**: 2014 - **Founders**: Paul Taylor ## Core Business - **Primary industry**: Core banking technology / Fintech infrastructure - **Target customers**: Tier 1 multinational banks, regional banks, digital banks, and fintechs (B2B, enterprise) - **Mission or purpose**: To create technology that can run the world’s banks according to the best designs and software practices of the modern age, permanently ridding banks of legacy infrastructure problems. ## Products & Services - **[Vault Core](https://www.thoughtmachine.net/)**: Cloud-native core banking engine built from scratch, using microservices architecture and smart contracts. Supports current/savings accounts, credit cards, loans, mortgages, and custom products. Includes a Product Library of 200+ preconfigured financial products. (Type: SaaS / platform) - **[Vault Payments](https://www.thoughtmachine.net/)**: Cloud-native payments processing platform for all payment types, schemes, and regions. Launched with card issuing and processing on the Mastercard network. (Type: SaaS / platform) ## Market Standing - **Valuation**: $2.7bn (after $160m Series D in 2023, per [thoughtmachine.net/about-us](https://www.thoughtmachine.net/about-us)) - **Key Metric**: Total funding raised – $510m across Series A ($25m), B ($125m), C ($200m), and D ($160m). Annual revenue not publicly available. - **Notable Investors/Partners**: JPMorgan Chase, Lloyds Banking Group, ING, Standard Chartered, SEB, Intesa Sanpaolo, Nyca Partners, Molten Ventures, Eurazeo, British Business Bank, Temasek, Morgan Stanley. Strategic partnership with Mastercard (2024). - **Growth Signals**: Headcount surpassed 500 (per [thoughtmachine.net/about-us](https://www.thoughtmachine.net/about-us)); global expansion into Mexico, Chile, South Korea, Israel, Guatemala; named a Leader in the 2025 Gartner® Magic Quadrant™ for Retail Core Banking Systems; client wins include JPMorgan Chase, ING Poland, Intesa Sanpaolo, Kiwibank, and Mox Bank. ## Competitive Advantages - **Cloud-native architecture** – no legacy code, built from scratch for the cloud, enabling horizontal scaling, high availability, and continuous deployment. - **Configurability via smart contracts** – banks can create any product without code changes, using a rich library of pre-integrated solutions. - **API-first and cloud-agnostic** – gives banks flexibility to choose hosting provider and integrate with third-party services. - **Trusted by top global banks** – many clients are also investors, demonstrating deep industry confidence. ## Strategic Focus - Continuing global expansion into new territories and winning Tier 1 bank clients. - Deepening the Vault Payments platform and expanding card/payment scheme support. - Leveraging the Mastercard partnership to accelerate payments adoption. - Maintaining product leadership and recognition in core banking (Gartner Leader). ## Why Work Here - **Culture**: Described as “world-class in talent and technical ability” with a collaborative, inclusive, and transparent environment. Weekly town halls and CEO Q&A sessions every six weeks. - **Social & perks**: Free food and drink in all offices, social clubs (wine & cheese, film, sports), sponsored fitness activities (football, basketball, running, climbing). - **Recognition**: Named #1 Best Place to Work in New York City by Crain’s (2022, 2023) and Best Place to Work by American Banker. - **Work policy**: Global offices with hybrid/office presence expected for most roles (engineering roles listed on careers page include many office-based positions). Flexibility not explicitly stated but typical for fintech. - **Engineering culture**: Strong emphasis on software design, scalable cloud infrastructure, and product excellence. Many engineers come from leading tech companies. ## Sources 1. [thoughtmachine.net](https://www.thoughtmachine.net/) 2. [thoughtmachine.net/about-us](https://www.thoughtmachine.net/about-us) 3. [thoughtmachine.net/life-at-thought-machine](https://www.thoughtmachine.net/life-at-thought-machine) 4. [thoughtmachine.net/meet-our-team](https://www.thoughtmachine.net/meet-our-team) 5. [LinkedIn Company Page](https://uk.linkedin.com/company/thought-machine) 6. 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