CrawlJobs Logo
Airwallex Logo Airwallex · IT - Software Development

Senior Software Engineer, Backend - Ecosystem

Singapore, Singapore · Job Posted February 21, 2026
Apply Position
Job Link Share

Job Description

Join our Ecosystem team, a cross-functional group of engineers and product partners building the platforms and integrations that connect Airwallex with the software our customers rely on every day. We own strategic accounting, marketplace, payment plugins, and open‑banking integrations, as well as the infrastructure that powers our public APIs that enabling third-party partners to build on top of. You’ll work closely with backend, product, design, and go‑to‑market teams to ship secure, reliable experiences that simplify financial operations for businesses of all sizes and unlock new use cases on top of the Airwallex business account.

Job Responsibility

  • Collaborating with business/product teams to fully understand business needs, scenarios, and future development directions
  • Leading the planning, design, and implementation of customer requirements
  • Establishing and maintaining internal coding standards
  • Developing and maintaining integrations with major accounting platforms such as Xero, NetSuite, and QuickBooks on various use cases(bank feeds, expenses, invoice payment, etc.)
  • Designing and developing features for payment plugins integrated with various e-commerce platforms(Shopify, Shopline, and WooCommerce, etc.)

Requirements

  • Bachelor's degree in Computer Science or a related field
  • 5+ years of experience in developing Internet applications, large financial systems, or e-commerce platforms
  • Proficient in coding or scripting languages(Java/Kotlin/C++/Python, etc.)
  • Deep familiarity with the standard library, idiomatic usage, and best practices of your primary programming languages

Nice to have

  • Experience with Domain Driven Design (DDD)
  • Exposure to microservice architectures, observability, and cloud-native infrastructure (e.g., Docker, Kubernetes)
  • Knowledge or experience of building plugins in NetSuite, Salesforce, or Shopify
  • Domain knowledge on accounting or payments
  • Experience with integrating AI/LLM models into production systems

What we offer

  • Innovative Environment
  • Impactful Work
  • Collaboration and Growth
  • Cutting-Edge Technology
Airwallex - All Job Offers

Looking for more opportunities?

Search for other job offers that match your skills and interests.

Suggested Tags: Frontend Developer Secretary Talent Manager Salesforce Administrator Data Analyst
Similar Jobs for

Senior Software Engineer, Backend - Ecosystem

8 matching positions

Senior Backend Software Engineer

Location
Location
Salary
Salary:
Not provided
inoxoft.com Logo
Inoxoft
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Strong experience with JavaScript (Node.js and backend ecosystem)
  • Solid backend development experience (APIs, integrations, databases, system design)
  • Willingness and ability to quickly pick up new technologies (e.g., Python, or others as required)
  • Hands-on experience using AI tools in daily workflows (e.g., Cursor, Claude, or similar)
  • Solid experience with Claude Code
  • Experience using plugins/skills and building custom plugins/skills for Claude or Cursor
  • Upper-intermediate or higher English level
  • Strong understanding of business needs and the ability to translate them into technical solutions
  • Proactive and self-driven — does not wait for tasks but actively identifies opportunities and improvements
  • High level of ownership and engagement in the work
Job Responsibility
Job Responsibility
  • Develop and maintain backend services, APIs, and integrations using Node.js and JavaScript
  • Translate business requirements into scalable and efficient technical solutions
  • Work across multiple technologies and quickly adapt to new tools and frameworks as needed
  • Leverage AI development tools(Claude Code), to improve productivity and code quality
  • Build and customize plugins, skills, and automations for AI-assisted workflows
  • Collaborate with cross-functional teams to deliver high-quality features and enhancements
  • Contribute to frontend tasks using React or React Native when required
  • Troubleshoot issues, optimize performance, and ensure system reliability
  • Take ownership of projects and proactively identify opportunities for improvement
What we offer
What we offer
  • Flexible working hours
  • 25 paid days off and 10 sick/medical leaves
  • Additional paid days off for personal events like marriage and childbirth
  • Maternity/Paternity leaves
  • Medical insurance
  • Discount program
  • Self-development budget per year
  • Referral bonuses
  • Corporate events and gifts
  • Learning events and mentorship opportunities
Read More
Arrow Right

Senior Software Engineer (Backend) - GenAI

Uber’s Customer Obsession (CO) org is hiring Senior Software Engineers to help b...
Location
Location
United States , Sunnyvale
Salary
Salary:
202000.00 - 224000.00 USD / Year
uber.com Logo
Uber
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • BS degree or higher in Computer Science or a related field (or equivalent practical experience)
  • 5+ years of industry experience as a Software Engineer building scalable, highly available platforms
  • Expertise with large-scale distributed systems (e.g., Kafka) and cloud platforms ( AWS, GCP, Azure) and proven track record leading the delivery of production-grade systems (deployment, monitoring, reliability, on-call readiness, incident learning)
  • Proficiency in at least one: Golang, Scala, or Java and comfortable with scripting in JavaScript and/or Python
  • Strong experience with microservices and gRPC/REST API design, including defining durable interfaces and platform standards
  • Excellent cross-functional communication skills: crisp design docs, architecture reviews, stakeholder alignment, and technical decision-makings
Job Responsibility
Job Responsibility
  • Own and operate customer-facing systems that influence the support experience for millions of users
  • Drive end-to-end execution: identify ecosystem changes needed across Uber engineering, align stakeholders, build consensus, and deliver production-ready implementations
  • Build and scale full-stack systems that embed AI into real customer workflows and solve distributed systems challenges under heavy traffic
  • Help reduce issue resolution from minutes to seconds by improving automation quality, reliability, and user experience
What we offer
What we offer
  • Eligible to participate in Uber's bonus program
  • May be offered an equity award & other types of comp
  • All full-time employees are eligible to participate in a 401(k) plan
  • Eligible for various benefits
  • Fulltime
Read More
Arrow Right

Senior Software Engineer - Backend

Security represents the most critical priorities for our customers in a world aw...
Location
Location
United States , Redmond
Salary
Salary:
119800.00 - 234700.00 USD / Year
https://www.microsoft.com/ Logo
Microsoft Corporation
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Bachelor's Degree in Computer Science or related technical field AND 4+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python
  • OR equivalent experience.
  • Ability to meet Microsoft, customer and/or government security screening requirements are required for this role. These requirements include, but are not limited to the following specialized security screenings: Microsoft Cloud Background Check: This position will be required to pass the Microsoft Cloud Background Check upon hire/transfer and every two years thereafter.
Job Responsibility
Job Responsibility
  • Design, build, and own foundational platform services for data access platform, model execution, machine learning inference, and agent orchestration that are reused across the Microsoft Defender ecosystem
  • Lead the implementation of medium‑to‑large, scoped features and components, making sound architectural decisions that balance scalability, reliability, security, and long‑term maintainability
  • Collaborate closely with research, security, and product engineering teams to translate research needs into robust, reusable platform abstractions, rather than one‑off solutions.
  • Drive end‑to‑end ownership of services, including design, development, testing, deployment, monitoring, and live‑site operations.
  • Identify and address systemic platform gaps by consolidating shared capabilities and reducing fragmented or bespoke infrastructure across teams.
  • Contribute to platform standards and best practices for API design, service reliability, observability, and operational excellence
  • Participate actively in design and code reviews, raising the overall engineering quality and bar for platform development
  • Mentor and support other engineers through technical guidance, knowledge sharing, and example‑setting, without direct people management responsibility.
  • Proactively identify opportunities to improve performance, cost efficiency, security, and compliance across the fabric.
  • Fulltime
Read More
Arrow Right

Senior Backend Software Engineer - Core Domain

You will be joining the Core Team focused on critical systems. This includes man...
Location
Location
Italy , Milan
Salary
Salary:
Not provided
satispay.com Logo
Satispay
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • At least 5 years of related experience in back-end software engineering
  • Proven track record of working with microservices and cloud environments (AWS is a plus) in high-paced, mission-critical contexts
  • Deep experience with Java and Spring Boot
  • Strong understanding of distributed systems and how to manage external dependencies (like banking protocols) effectively
  • Able to communicate complex technical concepts clearly and convincingly
  • Excel at coordinating implementations with other teams and building trust with various stakeholders
  • Focused on delivering software that meets evolving user needs
  • Adaptable, avoid analysis paralysis, and go the extra mile to optimize systems beyond the initial requirements
  • Passionate about FinTech
  • Fluent in English
Job Responsibility
Job Responsibility
  • Engineer core platform domains such as the Transaction Ledger, Identity & Access Management (IAM), or Payment Orchestration
  • Ensure these engines remain high-performant, scalable, and functional for product teams to integrate with
  • Scale risk & financial engines
  • Optimize and implement services dedicated to bank integrations, credit risk, and real-time fraud detection
  • Build the robust logic that protects our source of truth and secures Satispay’s financial ecosystem
  • Drive technical analysis for projects that span across multiple services
  • Lead technical discussions and produce high-quality documentation (Smart Papers)
  • Ensure technical quality by implementing rigorous testing strategies and overseeing safe rollouts
  • Proactively identify and resolve technical blockers, promoting a culture of simplicity and maintainability in the codebase
  • Provide technical guidance to junior and mid-level engineers, fostering a culture of operational excellence
What we offer
What we offer
  • Unlimited paid time off
  • Psychological support & mental health webinars with Serenis
  • Flexible hybrid working system
  • Extended parental leave
  • Childcare leave
  • Professional development programmes
  • Internal mobility program
  • Language classes with Preply
  • Internal workshops & training
  • Stock Option Plan (with additional grants often provided based on performance)
  • Fulltime
Read More
Arrow Right

Senior Software Engineer, Backend (AI)

We’re looking for a Senior Backend Engineer to join our newly formed AI R&D pod—...
Location
Location
United States , New York City
Salary
Salary:
200000.00 - 225000.00 USD / Year
posh.vip Logo
Posh
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 3–6+ years of backend or full-stack engineering experience, with a proven track record of shipping high-quality, scalable systems in fast-paced environments
  • Deep expertise in Python and its ecosystem for web services and data processing
  • Strong experience with Infrastructure as Code (Terraform), a major cloud platform (e.g., GCP, AWS, Azure), and deploying containerized applications
  • A passion for shaping 0→1 products in a lean, fast-paced R&D environment where you'll help define new playbooks for AI-native experiences
Job Responsibility
Job Responsibility
  • Build and Scale AI Services: Design, build, and maintain scalable backend services and APIs for AI-powered features, writing primary production code in Python
  • Architect Multi-Agent Systems: Move beyond standard RAG to design and implement complex, hierarchical Multi-Agent Systems that can perform sophisticated, multi-step tasks
  • Implement Evaluation and Fine-Tuning: Build robust frameworks to evaluate the quality of AI systems and manage fine-tuning pipelines to continuously improve model performance
  • Own Cloud Infrastructure with IaC: Define, deploy, and manage our AI infrastructure using Terraform. You'll be responsible for scaling our container-based serverless solutions while ensuring reliability and performance
  • Optimize for Efficiency: Deeply analyze the tradeoffs between model performance, latency, and cost to make pragmatic, business-aware technical decisions when using managed AI services
  • Integrate Across the Stack: Collaborate with our core engineering teams by occasionally working in TypeScript (Node.js) to integrate AI features into our main application
What we offer
What we offer
  • Health,Dental and Vision Insurance
  • Equinox Membership
  • Unlimited PTO
  • Team Events, Dinners, & Offsites, Free Event Tickets to Dope Shows
  • New MacBook
  • Daily Uber Eats Credit
  • Relocation bonuses are available for some out-of-state candidates
  • Offers Equity
  • Fulltime
Read More
Arrow Right

Senior Software Engineer, Backend Platform

At Harvey, we’re transforming how legal and professional services operate — not ...
Location
Location
United States , San Francisco
Salary
Salary:
200000.00 - 260000.00 USD / Year
harvey.ai Logo
Harvey
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 5+ years of software engineering experience (post-BS/MS), including building scalable backend systems or internal developer platforms
  • Proficiency in Python (or similar languages) and deep knowledge of backend development fundamentals (APIs, data stores, concurrency, distributed systems)
  • Hands-on experience with web frameworks and service architectures (e.g. Flask/FastAPI, Bounded context services, microservices) and an understanding of designing clean, versioned APIs
  • Familiarity with caching, messaging, and database technologies (Redis, Kafka, SQL/NoSQL databases, Vector databases, etc.) and how to use them effectively for high performance and reliability
  • A track record of writing high-quality, well-tested code and using tools (unit/integration testing, static typing, CI) to catch issues early and ensure reliability
  • Strong problem-solving skills and a passion for improving developer experience — you enjoy creating tools or frameworks that make other engineers more productive
  • Excellent collaboration and communication skills, with the ability to work across teams and incorporate feedback
Job Responsibility
Job Responsibility
  • Develop and maintain Harvey’s internal backend frameworks and libraries that provide common capabilities (API routing, service lifecycle management, caching and messaging primitives, error handling interfaces, etc.), so product teams don’t have to reinvent them
  • Create and improve APIs, service templates, and versioned interfaces that establish consistent patterns for building new services and features
  • Introduce and champion modern backend architecture patterns like asynchronous I/O (asyncio) and streaming data processing, continually evolving our platform for better performance and scalability
  • Design Harvey-specific abstractions and domain-specific frameworks—covering cross-cutting concerns (e.g., authorization, streaming) and areas like data governance and event processing—to provide product engineers with these capabilities out of the box
  • Embed reliability and observability into the platform by building in tracing, metrics, and automated tests (shift-left), ensuring services built on our foundation are robust and easy to monitor
  • Collaborate with Model Infrastructure team to tackle challenges unique to GenAI-native applications — such as supporting high-throughput model inference, managing streaming and long-running API interactions, and designing abstractions for retrieval, context handling, and prompt lifecycle
  • Collaborate with the Developer Experience and Infrastructure teams (who own CI/CD pipelines, build tools, and release infrastructure) to integrate our platform components seamlessly into the deployment and monitoring ecosystem
  • Work closely with product engineering teams to gather feedback, evangelize best practices, and make the “paved road” approach a reality — providing strong defaults and clear documentation so teams can move fast with confidence
What we offer
What we offer
  • Offers Equity
  • Offers Bonus
  • Comprehensive health, dental and vision coverage
  • retirement benefits (401k match up to 4%)
  • flexible PTO
  • Fulltime
Read More
Arrow Right

Senior Software Engineer - (Backend) Customer Obsession

Customer Obsession builds the intelligence layer that minimizes customer defects...
Location
Location
United States , Sunnyvale; San Francisco
Salary
Salary:
202000.00 - 224000.00 USD / Year
uber.com Logo
Uber
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Bachelor's degree in Computer Science, or a related technical field, or equivalent practical experience
  • Proven experience designing and shipping scalable backend microservices, including expertise with gRPC or REST API development
  • Expert proficiency in at least one modern object-oriented programming language, such as Java or Go
Job Responsibility
Job Responsibility
  • Architect and implement innovative AI/ML solutions to drive automation and significantly reduce customer-facing defects
  • Own feature development end-to-end, translating vague product and operational problems into clear technical designs and production-ready code used by millions of customers
  • Design and deliver scalable, multi-tenant backend services and platforms to power real-time support experiences (from messaging to in-app self-service)
  • Define and champion the operational health, monitoring, reliability, and incident response processes for mission-critical support systems
  • Identify and advocate for core architectural changes across Uber's engineering ecosystem to ensure our support platform is highly resilient, extensible, and performant
  • Collaborate closely with product managers, data scientists, and partner engineering teams to scope requirements, drive consensus, and integrate complex technical capabilities
What we offer
What we offer
  • Eligible to participate in Uber's bonus program
  • May be offered an equity award & other types of comp
  • All full-time employees are eligible to participate in a 401(k) plan
  • Eligible for various benefits
  • Fulltime
Read More
Arrow Right

Senior Software Engineer (Typescript / Backend) - AI/ML

We are looking for a Senior Software Engineer to drive the development of AI/ML-...
Location
Location
United States
Salary
Salary:
131000.00 - 185000.00 USD / Year
clickhouse.com Logo
ClickHouse
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 5+ years of software engineering experience in production environments
  • Exposure to working directly with AI/ML technologies
  • Strong frontend skills with TypeScript/JavaScript and React
  • Backend development experience in TypeScript or Python, with a focus on API design and service architecture
  • You have a high level of ownership and can drive features from concept to production with minimal supervision
  • You thrive in collaborative environments and can effectively communicate technical concepts to diverse stakeholders
Job Responsibility
Job Responsibility
  • Feature Development: Design and implement AI-powered features across the full stack, from backend inference services to intuitive frontend interfaces within the ClickHouse Cloud platform
  • API Architecture: Create robust, scalable APIs that connect ClickHouse's database capabilities with modern AI/ML inference systems and external/internal AI services
  • UI/UX Implementation: Build responsive, intuitive user interfaces that make complex AI functionalities accessible and valuable to users of all technical backgrounds
  • Ecosystem Integrations: Implement and maintain integrations with the broader AI/ML ecosystem and standards, ensuring that ClickHouse as a technology works seamlessly with popular frameworks and tools
  • Technical Integration: Integrate models into production systems with proper monitoring, versioning, observability, and evaluation
What we offer
What we offer
  • Flexible work environment - ClickHouse is a globally distributed company and remote-friendly. We currently operate in 20 countries
  • Healthcare - Employer contributions towards your healthcare
  • Equity in the company - Every new team member who joins our company receives stock options
  • Time off - Flexible time off in the US, generous entitlement in other countries
  • A $500 Home office setup if you’re a remote employee
  • Global Gatherings – We believe in the power of in-person connection and offer opportunities to engage with colleagues at company-wide offsites
  • Fulltime
Read More
Arrow Right