(Senior) Backend Engineer

Bunch

bunch is building the backbone of private markets. We are enabling next-gen fund operations with one integrated system that combines secure data infrastructure, AI-powered workflows and expert fund services. If you value ownership, growth through real responsibility, and working with a thoughtful, ambitious team, this role might be for you.   YOUR ROLE We are seeking a Senior Platform Engineer to design, build, and maintain the infrastructure and automation that power our applications. In this role, you will combine the speed and reliability focus of DevOps with the architectural depth of Platform Engineering, ensuring that our development teams can deliver high-quality software quickly, securely, and at scale. You will be responsible for designing infrastructure, implementing automation, ensuring platform reliability, and guiding the evolution of our delivery pipelines and cloud environments. This is a highly collaborative position that bridges operations, development, and security.   TOP RESPONSIBILITIES * Design, implement, and maintain cloud-based infrastructure (AWS) for scalability, reliability, and security. * Manage infrastructure-as-code using Terraform, or similar tools. * Oversee container orchestration platforms such as Kubernetes. * Ensure robust disaster recovery and high availability strategies. * Build, maintain, and optimize CI/CD pipelines for rapid and reliable deployments. * Automate infrastructure provisioning, configuration management, and application deployments. * Integrate automated testing and security checks into delivery workflows. * Implement logging, alerting, and observability tools to monitor infrastructure and application performance. * Proactively identify and resolve performance bottlenecks, outages, or system health issues. * Collaborate with development teams to troubleshoot and resolve deployment failures. * Ensure infrastructure and delivery processes meet security, compliance, and governance standards. * Apply security patches and updates to infrastructure and platform components. * Partner with software engineers to ensure development aligns with operational best practices. * Lead technical decision-making for infrastructure and platform initiatives. * Mentor junior engineers and promote DevOps best practices across teams.   ABOUT YOU * At least 6 years of experience in senior Platform, DevOps, or Infrastructure Engineering roles. * Strong expertise with AWS cloud platform. * Deep knowledge of Kubernetes, Docker, and container orchestration. * Proficiency with infrastructure-as-code (Terraform, etc.). * Experience building and maintaining CI/CD pipelines (GitHub Actions or any similar tool). * Strong understanding of observability tools (Prometheus, Grafana, ELK, Datadog, etc.). * Solid grasp of networking, system administration, and cloud security practices. * Strong problem-solving skills and ability to debug complex issues. * Excellent communication and collaboration abilities. * Experience leading projects and influencing engineering decisions. * Nice to Have: * Background in SRE (Site Reliability Engineering) practices. * Familiarity with compliance frameworks (SOC 2, ISO 27001). * Programming skills in TypeScript, Python or Go.   OUR TECH STACK We strive to keep our technology stack as simple and efficient as possible. * Frontend & Backend: TypeScript on both the frontend (Svelte) and the backend (Node.js with Nest.js) * Database: MySQL * Infrastructure: Kubernetes (K8S) on top of AWS * Source Control & CI/CD: GitHub * Third-Party Applications: * FusionAuth for authentication * Retool for low-code internal frontend solutions * Twilio and SendGrid for sending SMS and emails   WORKPLACE AND BENEFITS * Become one of the key builders of bunch and architect our go-to-market strategy * Take part in a network of people passionate about investment and work closely with the most interesting players in the private market * Benefit from working with a diverse mix of talents, unrivaled energy, and team spirit within a culture of inclusion * Flexible hours, remote setup * 28 days of vacation per year + 2 company days, on top of public holidays * A competitive compensation package * A great tech and work setup with everything you need   WHAT YOUR INTERVIEW JOURNEY WILL LOOK LIKE * First interview with the People team (30 min): get acquainted with the bunch and to understand if what we’re offering is what you’re searching for * Hiring Manager Interview (60 min): this conversation with an Engineering Manager will cover product-focused culture and values, including collaboration, ownership, self-awareness, and quality standards. * Take-home assignment for you to showcase your ability to design and implement reliable infrastructure and platform solutions. We will send a task and give you a few days to work on it (the actual hands-on work should not take more than 3-4 hours). * Technical Interview (60 min): this interview in the form of a technical conversation will focus on discussing your assignment, approaches. * Final Round: Meet our VP of Engineering (45 min) to learn about ways of working, vision for bunch, and team culture. * Meet-and-Greet (Optional - 30 min) to meet a few members of your future cross-functional team. About bunch bunch is building the operating infrastructure for the next generation of private markets. We combine AI-powered automation with deep regulatory expertise to replace fragmented spreadsheets and manual processes with one integrated platform across the fund lifecycle, purpose-built for private markets heading toward $32 trillion in Assets Under Management. We've 4x our ARR in 2025, crossed 150 fund managers and 12,000 LPs on the platform, and just closed our $35M Series B in May 2026. We're looking for ambitious people who want real ownership of hard problems, and who care about building infrastructure that actually matters to the people using it. ____ At bunch, we're committed to an inclusive environment where diversity is valued and celebrated. We provide equal opportunities to all qualified applicants. We process personal data in line with applicable laws (including GDPR). See our Privacy Policy for details on your rights and how to reach us.

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. Software Engineering is a key role within Thought Machine. As an engineering-focused company, we take pride in our engineering excellence, adopting best practices, and utilising modern technologies. Thought Machine software engineers work across the stack to solve complex engineering problems that have not been solved before. As a result, while development at Thought Machine is fast-paced, you will be expected to develop code to the highest standards that scales, is secure, performant, and provides a great user experience. Software Engineers will take complete ownership of a requirement, converting it into an engineering design, task breakdown, and implementation. You'll be responsible for building both backend services and frontend experiences. Our clients range from the world's largest financial institutions to smaller regional banks. Our systems must cater to each of these use cases, so we care deeply about providing the ability to configure and customise the user experience based on the client's or end user's persona. Software engineers are expected to bridge the gap between back-end and front-end, crafting delightful experiences that delight all our clients. 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 * 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.

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. As a Senior Software Engineer I at Thought Machine, you will own and deliver highly complex, end-to-end engineering work items. You will look beyond immediate coding tasks to consider long-term system architecture, product strategy, and client outcomes. In this role, you will act as a technical anchor for your team, solving ambiguous problems, guiding less experienced engineers, and actively shaping our technical and product roadmaps. This is a role for an engineer who values clean, maintainable systems, embraces an egoless approach to collaboration, and is driven to deliver robust solutions to production. WHAT YOU’LL DO Technical Leadership * Design & Build: Design and build highly reliable, secure, and scalable software solutions for complex problems. * Architecture & Standards: Contribute to team guidelines ensuring our services meet top-tier security, performance, cost, and reliability standards. * Code Quality & Peer Review: Set a high bar for code quality by providing constructive, detailed feedback on design documents and pull requests. * Operational Excellence: Investigate issues across multiple services in production, drive learning from operational incidents, and feed improvements back into our prioritisation process. * Hiring: Actively participate in our growth by leading technical interviews. Product & Delivery * End-to-End Ownership: Own work items from initial concept to production, creating structured delivery plans, managing dependencies along the way and owning delivery of these work items. * Product Vision: Partner with Product Managers to prioritize features, translate client requirements into technical specifications, and ensure solutions align with our overarching product vision. * Incident Management: Confidently own the resolution of incidents, coordinating mitigation, fixes, and post-mortem artifacts. Collaboration & Mentorship * Team Growth: Mentor and support less experienced engineers, helping them level up technically and adapt to Thought Machine’s engineering philosophy. * Stakeholder Management: Translate highly technical problems and architectural decisions into clear concepts for non-technical stakeholders. WHAT WE’RE LOOKING FOR * Technical Expertise: Strong proficiency in modern backend languages (ideally Go or Python) and experience building distributed, cloud-native systems (Kubernetes, AWS/GCP, gRPC, PostgreSQL). * Problem Solving: A proven track record of breaking down ambiguous, and complex problems into clear, deliverable milestones. * Production Operations: Experience supporting high-throughput systems in production environments and diagnosing complex issues across distributed systems. * Egoless Collaboration: A highly collaborative, feedback-receptive mindset focused on finding the best outcomes for our clients and business rather than defending personal preferences. * Communication: Excellent written and verbal communication skills, with the ability to build consensus and document technical designs clearly. 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.