Senior Software Engineer (Backend)

Super Payments

SUPER PAYMENTS Our mission is to use data and AI to make payments free for businesses, so that everyone wins. By removing payment fees and passing savings back to customers, we are disrupting the payments industry while helping businesses increase sales and loyalty. With Buy Now, Pay Later (BNPL) free for merchants and 0% card payment processing, Super gives businesses a powerful way to reduce costs, grow sales, and reward customers. Already trusted by thousands of businesses and more than 4 million customers, Super is growing fast, supported by leading investors including Accel, Union Square Ventures and LocalGlobe, and led by Samir Desai, founder and former CEO of Funding Circle. OUR VALUES * Customer obsessed: We only succeed when our customers do. * Move fast: Build, test and improve quickly. Progress matters more than perfection. * Own it: Be accountable, solve problems, and make it happen. * Be open: Act with honesty and respect. Transparency builds trust. * Win together: Collaboration beats ego every time.   Our Technology We leverage the latest tools and technologies to create a seamless, customer-centric digital experience. Our core stack is built around Node.js, TypeScript, and NestJS, with a front-end powered by React. We deploy using AWS cloud services and Kubernetes, ensuring scalability and resilience. Infrastructure as Code is fundamental to our approach, and we use Terraform to manage our cloud resources. Our architecture is cloud-native, event-driven, and distributed, built on Amazon EventBridge and SQS, with services exposed via REST. We are driven by data science, machine learning, and analytics, using multi-variant testing to personalise user experiences across every digital channel. However, it’s not just about the technology. We are passionate about continuous delivery, automation, and rapid iteration. Our deployment pipeline is fully automated, covering everything from branching, building, testing, and shipping to monitoring and alerting—allowing us to focus on delivering value to our customers. Technology is at the heart of our business, and we value diverse perspectives. Bring your ideas, experience, and problem-solving mindset—we’ll navigate obstacles together. WHAT YOU’LL BE DOING * Spearheading the design and evolution of our B2B API, personalisation and payments infrastructure. * Collaborating with UX and product teams in discovery, ideation, and problem-solving. * Contributing to engineering-wide initiatives, participating in technical discussions, architecture decisions, and best practice sharing. * Developing a deep understanding of our business, customers, and domain—applying your judgement to make autonomous decisions. * Mentoring and supporting the growth of our engineering community, sharing knowledge through pairing, talks, and external speaking opportunities. We’d love to hear from you if you: * Have at least 8 years of experience in software engineering. * Have worked on any one of the following areas: * Financial Services in areas like payments/wealth management/banking * The payments infrastructure at a large eCommerce site * High-volume transaction scale-up (e.g., betting, gaming, or streaming) * Have a delivery-focused mindset, using agile practices to drive team success. * Bring experience with a variety of programming languages. * Are willing to work with Node.js, TypeScript, NestJS, and AWS cloud technologies. * Have experience designing and provisioning cloud-based infrastructure, using Infrastructure as Code (Terraform). Ideally, have worked with Kubernetes and understand the fundamentals of containerized deployments. * Have built and supported publicly accessible REST APIs. * Understand application development, continuous delivery, test automation, and security within distributed services. * Have a track record of improving code quality, performance, stability, and scalability. * Are comfortable working in a fast-paced, evolving start-up environment. * Can work independently, tackling ambiguous challenges and driving solutions forward. To learn more about about engineering at Super Payments follow this link. https://gist.github.com/sam-super/9c40d3d23fa577ed2e96f2ca68f1d639 *The stated experience and background is a guide and does not preclude applications from candidates with more or less experience, provided the requisite skills can be demonstrated. Our Benefits - here’s a few and more to come …. * Tax advantage Share Options * Flexible working model * Work from home set up * Learning & Development opportunities * Contributory Pension Scheme * Free Team lunch (Tues & Thurs) and social evenings * Comprehensive PMI & x4 Life Insurance * Your birthday off, plus one Revival day If you are excited about sharing the adventure, joining a growing team with big ambitions and you are really great at what you do, then apply now! Super Payments is an equal opportunity employer, embracing diversity in all its forms and fostering an inclusive environment. The company will not unlawfully discriminate on grounds of gender, sexual orientation, marital or civil partner status, gender reassignment, race, religion or belief, colour, nationality, ethnic or national origin, disability or age, neurodiversity status, pregnancy or trade union membership.  Please let us know if you require any reasonable adjustments at any point during the application and/or recruitment process.

Elliptic

Do you want to be part of the future of value transfer? Are you excited about solving problems that have never been solved before? Are you looking for a values led company, which cares about the growth of its employees? Elliptic's Real-time Risk team builds the engine that powers how our customers screen, monitor, and act on blockchain risk. We own the data pipelines, scoring infrastructure, and continuous monitoring systems that keep compliance teams ahead of financial crime, in real time, at enterprise scale. We're looking for a Senior Software Engineer to help us tackle the most technically demanding problems on the platform, working closely with data engineering counterparts to deliver capabilities that give customers a truly personalised, insight-rich view of the blockchain. The impact you will have: As a Senior Software Engineer on the Real-time Risk team, you will help shape the technical direction of a complex, high-stakes system. You'll work on world-class sanctions reporting, contribute to scaling the platform to serve Elliptic's rapidly growing customer base, and partner closely with data engineering counterparts to bring unique, customer-specific insights to life. This is a role for an engineer who wants to go deep, who can hold the complexity of distributed systems in their head, and who takes pride in building things that are both correct and fast. What you will do: * Design and build robust, high-throughput backend services supporting real-time risk scoring, screening, and continuous monitoring workflows. * Work closely with data engineering teammates to deliver personalised intelligence to our customers, enabling unique, customer-specific views of the blockchain. * Contribute to world-class sanctions reporting infrastructure that compliance teams and regulators depend on. * Help scale the system to support Elliptic's growing enterprise customer base, identifying and resolving performance and reliability bottlenecks. * Take ownership of technically complex areas, driving architecture and implementation decisions with sound trade-off reasoning. * Review code, raise the technical quality of the team, and mentor engineers where appropriate. * Collaborate with product, data, and engineering stakeholders to translate compliance requirements into well-designed, maintainable systems. What you will achieve in the first 6 months: * Deliver meaningful contributions to the Real-time Risk platform, building confidence across the codebase and event-driven architecture. * Demonstrate clear technical ownership of an area of the system, including participation in design decisions and code review. * Have a strong understanding of how sanctions screening and continuous monitoring work end-to-end, and be able to articulate where the biggest engineering challenges and opportunities are. You will be a great fit here if you: * Take joy from building solutions that solve real customer problems * Enjoy working in domains where correctness matters, and where the systems you build are depended on by real customers in regulated industries. * Have a love of data intensive applications and products * Take a pragmatic approach to complexity, knowing when to simplify and when to invest in the right abstraction. Our ideal candidate has: * 5+ years of professional software engineering experience building and operating production backend systems. * Strong TypeScript/Node.js experience, with the ability to write clean, well-tested, production-ready code. * Proven experience working with complex event-driven, streaming, or queue-backed architectures (e.g. Kinesis, Kafka, SQS, or similar) in a production environment. * Solid understanding of distributed systems trade-offs: consistency, availability, latency, and failure modes. * Experience working with NoSQL and caching technologies, with comfort reasoning about data access patterns and performance. * A track record of contributing to technically complex codebases, and the ability to communicate architectural thinking clearly. * AI fluency: you actively use AI tools to accelerate your work, and can demonstrate how you apply them effectively in engineering contexts. Bonus Points for: * Experience with Java, Scala, or another multi-threaded, JVM-based language. * Familiarity with Redis or similar in-memory data stores, particularly for caching and low-latency reads. * Experience with EVM-compatible blockchains or crypto compliance domains. * OpenSearch/Elasticsearch experience, particularly around index design and schema migrations. JOB BENEFITS How We Work * Hybrid working and the option to work from almost anywhere for up to 90 days per year * £500 Remote working budget to set up your home office space Learning & Development * $1,000 Learning & Development budget to use on anything (agreed with your manager) that contributes to your growth and development Vacation/Leave * Holidays: 25 days of annual leave + bank holidays * An extra day for your birthday * Enhanced parental leave: we provide eligible employees, regardless of gender or whether they become a parent by birth or adoption, 16 weeks fully-paid leave Benefits * Private Health Insurance - we use Vitality! * Full access to Spill Mental Health Support * Life Assurance: 4 times your salary to your beneficiaries * Cycle to Work Scheme

Pigment

Join Pigment: The AI Platform Redefining Business Planning   Pigment is the AI powered business planning and performance management platform built for agility and scale. We connect people, data, and processes in one intuitive, feature-rich solution, empowering every team—from Finance to HR—to build, adapt, and align strategic plans in real time.   Founded in 2019, Pigment is one of the fastest growing SaaS companies globally. Industry leaders like Unilever, Snowflake, Siemens, and DPD use Pigment daily to make more informed decisions and confidently navigate any scenario.   With a team of 500+ across Paris, London, New York, San Francisco, and Toronto, we've raised nearly $400M from top-tier investors and were named a Visionary in the 2024 Gartner® Magic Quadrant™ for Financial Planning Software.   At Pigment, we take smart risks, celebrate bold ideas, and challenge the status quo all while working as one team. If you're driven by innovation and ready to make an impact at scale, we’d love to hear from you.     Our Engineering team   Our Engineering team is responsible for developing our SaaS platform and building a comprehensive and user-friendly product.    Pigment engineers participate in the entire application development lifecycle, focusing on design, coding, and keeping the production platform up and running. They can be specialized, but there is no strict separation between the backend and the frontend.   We value user-centricity and pragmatism: we choose the most relevant tools for the problem we have to solve, understanding the strengths and constraints of each technology.   Our engineering culture also values curiosity, humility, trust, ownership and team spirit.   Our technical stack is C# on .NET Core Linux, React, TypeScript, PostgreSQL, Google Cloud Platform, Docker, Kubernetes, Terraform, RabbitMQ and Circle CI.   Explore Our Tech Blog: If you're curious about the kind of challenges our engineering team tackles, our culture and our organization, we invite you to explore our Tech Blog!   Who you are   More than knowledge of a specific language or framework, we are looking for great software engineering skills: ability to translate functional requirements into an elegant and simple design, and then deliver the code.   We are also looking for engineers who understand the product and the customer's needs in detail and can suggest innovative ideas: in the end, it's all about delivering value to end users.   In any case, you have: Experiences as a software engineer working on a product in production. Proven experience designing object oriented software with languages such as C#, Java, C++, Golang, Rust, Python or Ruby (this list is not exhaustive). Great team spirit with a problem-solving attitude. A good dose of humility and the willingness to grow (no matter your seniority!).   Folks from underrepresented minorities: science shows that you are less likely to apply if you feel that you don’t have all the necessary prerequisites. If this description matches where you are now or what you'd like to grow into in your next position, we encourage you to apply.     What you will get Competitive salary Equity Trust and flexible working hours Brand new offices in the heart of Paris, London, New York and, Toronto Remote-friendly environment   #LI-CK1 #LI-HYBRID