Senior Software Engineer (Infrastructure)

Thought Machine

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. This is a full-time, permanent position based in our Lisbon office, requiring four days a week onsite. At Thought Machine, our Senior Software Engineers specialised in Infrastructure play a crucial role in deploying and maintaining our cutting-edge software, developing tools and integrations with third-party infrastructure components used in our customers’ environments. The role spans across building mechanisms to automate and streamline deployment processes, to facilitating infrastructure changes in the data and streaming platforms which support our products, among other things. We build automation to provide an intuitive and reliable user experience to operate and integrate with Vault for Thought Machine engineers and bank SREs. Duties * Support the engineering team in building reliable, scalable applications * Help design and build tools to make our services scalable and highly available, automating wherever possible * Develop observability and orchestration tooling to allow our customers to monitor and manage their deployments * Contribute to disaster recovery, backup and redundancy tooling and strategy * Assist in improving the quality of our codebase by building new tools and processes Essential * A degree in Computer Science, Engineering or a similar technical field * 3-5 years of hands-on experience * Experience developing production-ready infrastructure management tooling with either Python or Golang * Familiarity with at least one of the following: * Observability Tools (e.g. Prometheus, OpenTelemetry, Grafana) * Databases (e.g. Postgres, DuckDB) * Event Streaming platforms (e.g. Kafka) * Container Orchestration (e.g. Docker, Kubernetes) * Familiarity with cloud platforms such as AWS, Azure or GCP * Experience with CI/CD systems (e.g. Jenkins, CircleCI, GitLab, GitHub Actions) Desirable * Experience supporting production systems in high-consistency transactional environments 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.

YLD

Location: Portugal Department: Engineering Employment Type: Permanent ABOUT YLD: Our goal is to help our clients keep moving forward. We work with them to build the skills and capabilities they need to stay ahead of the competition, and we know our success only happens when they succeed. We’re a team of curious, talented people, and we’re committed to making YLD a place where great people want to work, grow, and stay. We’re a remote-first consultancy specialising in software engineering, product design, and data. Our teams are based across London, Lisbon, and Porto, and we create digital solutions that continue to deliver value long after our work is done. ABOUT THE ROLE: As a Senior Software Engineer at YLD, you’ll be part of a client team building innovative products. We’re looking for someone curious, passionate, driven, and enthusiastic. You should be skilled in problem-solving and experienced in designing scalable, resilient, and fault-tolerant architectures. You’re also an effective communicator and a strong team player. Together with your team, you’ll thrive in a fast-paced engineering environment, delivering outstanding results and exciting projects. YOUR DAY-TO-DAY RESPONSIBILITIES WILL LOOK LIKE THIS: * Crafting excellent products! You will be building new features that meet the needs of our clients and customers; * Continuously delivering changes to products, as our client is moving to a full CI/CD model; * Working closely with your team, regularly collaborating and on engineering initiatives, to continually push yourselves to be better; * Learning, growing, and mentoring the engineering team to accelerate their career growth and encourage them to progress; * Working with the Lead to architect, design, build, and deliver highly available, always-on, zero downtime products; * Being responsible for the production operation and monitoring of products in line with SLAs; * Driving good practices within your team, making an impact on the whole department; * Participating in regular show and tells, promoting your work to both your department and the wider company. PREFERRED SKILLS * Proficiency in JavaScript/TypeScript, Python, and/or Go, with the ability to rapidly learn new languages; * Experience with modern frameworks across the stack (FastAPI, Gin, Express, etc.); * Production experience with React, modern build tools, state management, responsive design, and accessibility standards; * Comprehensive testing experience (unit, integration, E2E, security) and performance optimization; * Scalable system design patterns, load balancing, and high-availability architectures; * Database design and optimization (both relational and NoSQL); * API development (REST, GraphQL, gRPC) and event-driven architectures; * Caching strategies and message queue systems (Redis, Kafka, RabbitMQ); * Cloud platforms (AWS, Azure, GCP) with containerisation (Docker, Kubernetes); * CI/CD pipelines and Infrastructure as Code (Terraform, CloudFormation); * Monitoring, observability, and performance optimisation tools; * You can keep a cool head when debugging production issues; * Use AI tools to augment your work, applying sound judgement to adopt emerging technologies where they genuinely add value and increase your impact as an engineer. YOU SHOULD APPLY IF YOU ARE: * Self-motivated, proactive and always looking for ways to improve and develop yourself; * A good communicator, both in writing and verbally. You’ll be able to explain technical ideas and concepts in business-friendly language. * Detail-oriented; * Possess strong problem-solving skills that balance innovation with pragmatic technology choices to solve business needs; * Used to working in a team-oriented, collaborative environment; * Analytical and problem-solving-oriented; * A genuine believer in diversity and fairness. Benefits you’ll receive: * Company Private Health care * Enhanced fully paid maternity and paternity leave for up to 6 months * 25 days annual holiday (excluding Public Holidays) * €2000 annual allowance for Training/Conferences * €300 annual allowance for additional hardware * Mental Health support: access to Oli app * Meditation/Sleep support: Headspace or Calm app subscription * Bonus (depending on Company performance and results) * Company laptop * Generous referral schemes Our typical Recruitment Process looks like this: * 1st Interview with someone from the Talent team (30/45 mins) * Technical Interview with our Senior Developers (1h30) Get a glimpse of what it's like working at YLD! 🤳 Check out our LinkedIn page We live and breathe our values, and know you will too: * Growing every day * Including everyone * Relationships built on honesty and ethics * Inspiring solutions * Winning together We’re an equal-opportunity employer and value diversity in all its forms. We do not discriminate based on race, religion, colour, national origin, gender, sexual orientation, pregnancy or maternity, age, marital status, or disability. We also offer a remote-first working environment, with flexible working and work–life balance as standard for all employees.

Thought Machine

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. The Vault Expansion team at Thought Machine is responsible for shaping and delivering the product strategy to enable Thought Machine to better serve banks currently facing challenges with older, "bank-in-a-box" platforms. As the Product Manager in the Lisbon Vault Expansion team, you will be responsible for building a portfolio of products that complete the Vault Platform, offering clients seamless experiences, and value adding functionality beyond Vault Core and Vault Payments. You’ll own the roadmap and delivery of products and applications in the Vault Expansion portfolio, and work closely with Go-to-Market and Engineering leadership to drive revenue and product delivery. You will work cross-functionally with partnerships, compliance, legal, and partner product teams to build key use cases to delight our clients. This role is suited to someone who can wear many hats, and can operate autonomously. As Thought Machine’s first Product Manager in Lisbon, you will be responsible for defining, building, and delivering products working in lockstep with the Vault Expansion engineering team based in Lisbon. You will also be expected to support our GTM and marketing teams to build lead generation campaigns, join client calls and help pitch and sell future products, work with sales engineers to define compelling demos, and manage key product partnerships to augment the product offering. This is a full-time, permanent position based in our Lisbon office, requiring four days a week onsite. This role will also require occasional travel to our HQ in London, as well as travel to support sales teams. Duties: * Own the roadmap: Work alongside an engineering team to define a product strategy and roadmap that achieves the highest level of product quality and supports our clients’ ambitions. * Drive growth and adoption: Partner with GTM teams to bring our products to market and ensure we see adoption and growth. * Be the voice of the customer: You will represent the customer internally - collecting and capturing feedback, pursuing the highest levels of quality and enabling engineering teams to be laser focused on solving customer problems. * Champion insight: Relentlessly seek out customer problems, develop deep understanding of our customers’ needs, plans and technology and industry trends in the market to ensure the Vault Platform continues to help clients innovate. * Be a Product Evangelist: Champion the Vault Platform and Expansion products externally and within Thought Machine, clearly communicate the scale of the ambition within our product vision and the new functionality that will excite and delight our clients. * Develop best practices: Help drive Product Management best practices and processes - working with Engineering Managers and teams to ensure adoption and alignment across Vault Payments. * Innovate: Discover net-new opportunities for our business and lead them from nascent stages to maturity. Requirements Essential * 5+ years of product management experience in a product-led technology company * A proven track record of building and launching new products into market * Able to think from first principles, debate ideas and rapidly learn new concepts * Strong client-facing interpersonal skills and equally strong ability to engage in technical conversations * Comfortable working with API-driven products or infrastructure * A keen eye for UI/UX design, and working with wireframing tools like Figma Desirable * Previous experience launching AI related features within products * Previous experience working in regulated industries such as banking or financial services * Previous experience as a software engineer or similar technical roles * Previous experience building enterprise software products * Previous experience building brand new products or working in a startup environment * Previous experience working with data engineering 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.