We create honest financial products that improve lives.
Senior Software Engineer, Backend – Payments
Location
United Kingdom
Posted
7 days ago
Salary
£117K - £157K / year
Seniority
Senior
Job Description
Senior Software Engineer, Backend – Payments
Affirm
• Owning and delivering quarterly goals for your team • Leading engineers on your team through ambiguity to solve open-ended problems • Supporting peers and stakeholders in the product development lifecycle • Proactively identifying project, process, technology or business issues • Supporting the operations and availability of your team’s artifacts • Fostering a culture of quality and ownership on your team • Helping develop talent on your team by providing feedback and guidance
Job Requirements
- 4+ years of experience designing, developing and launching backend systems at scale using languages like Python or Kotlin.
- A track record of developing highly available distributed systems using technologies like AWS, MySQL and Kubernetes.
- Experience defining a technical plan for the delivery of a significant feature or system component with an elegant, simple and extensible design.
- Proficient at making significant changes in a large code base, and have developed a suite of tools and practices that enable you and your team to do so safely.
- Strong verbal and written communication skills that support effective collaboration with our global engineering team.
Benefits
- Health care coverage - Affirm covers all premiums for all levels of coverage for you and your dependents
- Flexible Spending Wallets - generous stipends for spending on Technology, Food, various Lifestyle needs, and family forming expenses
- Time off - competitive vacation and holiday schedules allowing you to take time off to rest and recharge
- ESPP - An employee stock purchase plan enabling you to buy shares of Affirm at a discount
Related Guides
Related Job Pages
More Backend Engineer Jobs
Python AI Engineer
CapcoCapco, a Wipro company, is a management & technology consultancy dedicated to the financial services & energy industries
About Us “Capco, a Wipro company, is a global technology and management consulting firm. Awarded with Consultancy of the year in the British Bank Award and has been ranked Top 100 Best Companies for Women in India 2022 by Avtar & Seramount. With our presence across 32 cities across globe, we support 100+ clients across banking, financial and Energy sectors. We are recognized for our deep transformation execution and delivery. WHY JOIN CAPCO? You will work on engaging projects with the largest international and local banks, insurance companies, payment service providers and other key players in the industry. The projects that will transform the financial services industry. MAKE AN IMPACT Innovative thinking, delivery excellence and thought leadership to help our clients transform their business. Together with our clients and industry partners, we deliver disruptive work that is changing energy and financial services. #BEYOURSELFATWORK Capco has a tolerant, open culture that values diversity, inclusivity, and creativity. CAREER ADVANCEMENT With no forced hierarchy at Capco, everyone has the opportunity to grow as we grow, taking their career into their own hands. DIVERSITY & INCLUSION We believe that diversity of people and perspective gives us a competitive advantage. MAKE AN IMPACT Job Details Lead AI Engineer Location: Pune (Hybrid) Role Purpose Design and deliver AI/ML and Generative AI solutions that enhance client intelligence, automation, and decision-making across Private Banking platforms, leveraging data sourced from core banking systems (e.g. Avaloq), CRM, and digital channels. Key Responsibilities - Develop and deploy AI/ML and GenAI models (e.g. NLP, summarization, recommendation engines) - Build scalable data pipelines and feature engineering workflows using structured and unstructured data - Integrate AI capabilities into enterprise platforms via APIs and microservices. - Work with data originating from core banking platforms (e.g. Avaloq) including client, portfolio, and transaction data. - Enable AI-driven use cases such as client insights, next-best-action, and automation of RM workflows. - Implement model monitoring, governance, and performance optimization aligned to enterprise standards. - Collaborate with engineering and business teams to translate wealth use cases into scalable solutions. - Experience working with wealth management data (clients, portfolios, transactions) - Understanding of data flows from core banking systems such as Avaloq - Awareness of AI governance, model risk, and regulatory considerations in banking Skills & Experience Primary: - Python (mandatory) • ML/DL frameworks (TensorFlow, PyTorch, Scikit-learn) • GenAI / LLM frameworks (LangChain, OpenAI, etc.) • AWS (S3, Lambda, SageMaker, Bedrock) Secondary: • Data engineering (ETL pipelines, feature stores) • API development • Vector databases / embeddings
Lead Full Stack Developer, Python, TypeScript
RecruitNest ConsultingConnecting Talent. Building Futures.
• Lead the development and delivery of full-stack applications using Python and TypeScript technologies. • Design and implement AI-powered features such as LLM integrations, RAG pipelines, and AI agents. • Build, scale, and maintain APIs, backend services, and distributed systems. • Make technical decisions related to architecture, frameworks, cloud infrastructure, and AI model usage. • Ensure application performance, scalability, reliability, and security across systems. • Manage and support cloud-based environments such as AWS, Azure, or GCP. • Collaborate with product, design, and engineering teams to deliver innovative solutions. • Mentor developers and promote engineering best practices, code quality, and technical excellence. • Guide the team in using AI tools and modern workflows to improve productivity and delivery speed. • Troubleshoot complex technical issues and drive continuous improvement initiatives.
Senior Full Stack Developer, Python, TypeScript
RecruitNest ConsultingConnecting Talent. Building Futures.
• Develop and maintain full-stack web applications using Python and TypeScript frameworks. • Build and integrate AI-powered features such as LLMs, RAG pipelines, and AI agents. • Design, develop, and maintain APIs and backend services. • Integrate AI APIs and third-party services into production systems. • Collaborate with product and design teams to deliver new features and enhancements. • Transform prototypes and concepts into scalable, production-ready solutions. • Ensure application performance, scalability, security, and clean architecture practices. • Utilize AI tools and modern development workflows to improve productivity and delivery speed. • Troubleshoot, debug, and optimize applications across frontend and backend environments. • Contribute to continuous improvement of development processes and technical standards.
Senior Backend Engineer
CorelightCorelight transforms network/cloud activity into evidence so defenders can stay ahead of ever-changing attacks.
• Lead technical design discussions to build and operate elastic, secure microservices using AWS serverless architectures (Lambda, API Gateway). • Design and maintain robust Machine Learning and Data Analytics pipelines, utilizing Apache Kafka or similar technologies for real-time data ingestion and transformation. • Develop REST and GraphQL services designed to interface with massive datasets, providing the backend power for a rich, data-heavy visual user interface. • Work within an Agile team to take features from initial design through to production deployment, monitoring, and iterative improvement. • Evangelize and implement best practices for code health, testing stability, maintainability, and overall system quality. • Partner with product and architecture teams to influence product direction and translate complex security requirements into reliable software solutions.


