Lead Software Engineer (Real-Time Payments) Job at Mastercard (Singapore)

Senior Staff Software Engineer - Membership

Uber One is Uber's flagship membership program and one of the company's most cri...

Location

United States , San Francisco, California; Sunnyvale, California

Salary:

267000.00 - 297000.00 USD / Year

Uber

Expiration Date

Until further notice

Requirements

Bachelor's degree in Computer Science, Computer Engineering, or a related technical field
10+ years of professional software development experience, building and operating systems in production environments
Strong expertise in backend development, distributed systems, and system design for large-scale, low-latency applications
Demonstrated ability leading complex, multi-team technical initiatives with significant cross-organizational dependencies and design complexity
Strong cross-functional collaboration skills with Product, Data Science, Marketing, and business stakeholders
Proven ability to mentor and elevate other engineers, including Senior and Staff-level ICs

Job Responsibility

Set technical direction across various engineering pillars encompassing membership growth, retention, benefits delivery, experimentation, and platform infrastructure — ensuring architectural coherence and high engineering standards across a 70+ engineer organization
Design and evolve large-scale distributed systems that power membership lifecycle management, benefits eligibility and fulfillment, savings computation, and real-time personalization across Uber's Rides, Delivery, and Grocery surfaces
Lead complex, multi-team technical initiatives with significant cross-organizational dependencies — coordinating with Eats, Rides, Grocery, Payments, Pricing, Fares, Fulfillment Engineering teams to deliver integrated membership experiences
Drive data-informed product engineering by building instrumentation, establishing OKRs, and leveraging experimentation (A/B testing, holdout analysis) to optimize membership coverage, conversion, engagement, and savings delivery
Architect for scale and reliability — designing systems that handle millions of real-time membership eligibility checks, benefits applications, and personalized offer computations with low latency and high availability
Mentor and elevate engineers across the organization, including Senior and Staff-level ICs, raising the technical bar and fostering a culture of engineering excellence, code quality, and operational rigor
Shape technical strategy in partnership with Product Management, Data Science, and business leadership — translating membership growth and engagement objectives into engineering roadmaps and architectural decisions
Deliver and review technical designs, code, and documentation to a high standard, championing best practices in service architecture, data management, and deployment

What we offer

Eligible to participate in Uber's bonus program
May be offered an equity award & other types of comp
Eligible to participate in a 401(k) plan
Various benefits

Fulltime

Senior Backend Software Engineer - Core Domain

You will be joining the Core Team focused on critical systems. This includes man...

Location

Italy , Milan

Salary:

Not provided

Satispay

Expiration Date

Until further notice

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

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

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

Software Engineer

You’ll be responsible for building and maintaining the systems that power everyt...

Location

United States , San Francisco

Salary:

130000.00 - 250000.00 USD / Year

Column

Expiration Date

Until further notice

Requirements

Build and maintain critical infrastructure: compute, storage, networking, security, and observability systems
Own core banking infrastructure, including direct integrations with the Federal Reserve and real-time payment networks
Design and implement CI/CD pipelines, developer tooling, and release engineering workflows
Improve system resiliency and availability through better monitoring, testing, and automation
Lead platform initiatives like authentication/authorization, change data capture, and cross-cutting APIs
Operate close to the metal: optimize performance, reliability, and correctness across our systems
Uphold the highest standards for system safety, especially in a regulated, mission-critical environment

Job Responsibility

Build and maintain critical infrastructure: compute, storage, networking, security, and observability systems
Own core banking infrastructure, including direct integrations with the Federal Reserve and real-time payment networks
Design and implement CI/CD pipelines, developer tooling, and release engineering workflows
Improve system resiliency and availability through better monitoring, testing, and automation
Lead platform initiatives like authentication/authorization, change data capture, and cross-cutting APIs
Operate close to the metal: optimize performance, reliability, and correctness across our systems
Uphold the highest standards for system safety, especially in a regulated, mission-critical environment

What we offer

Comprehensive health, dental, and vision plans, including options that are 100% covered by Column for you and 100% covered for your dependents
Comprehensive family planning and fertility benefits via partnership with Carrot, including reimbursement of up to $20,000 in qualified expenses
Up to $2,000 (post-tax) monthly rent subsidy for employees living within 2 miles of Column’s office
FSA and HSA account options to enable use of pre-tax money for medical and dependent care expenses
401k plan, including self-directed brokerage options
Flexible time-off policy - take the time off that you want and need to relax and recharge
100% paid parental leave, including 16 weeks for birth mothers, 12 weeks for primary caregivers, and 8 weeks for secondary caregivers
Up to $4,500 in annual reimbursements for backup childcare
Catered lunches and dinners for SF employees
Commuter benefits, including paid transportation to-and-from the office

Fulltime

Software Engineer

The rapid transition to electric vehicles (EVs) is the biggest change in transpo...

Location

United States

Salary:

140000.00 - 220000.00 USD / Year

Flipturn

Expiration Date

Until further notice

Requirements

5+ years of experience building software products
Experience leading significant projects from inception to post-launch
Strong technical background in full-stack software development and system design
Experience working with users to get feedback and iterating on a product
Excitement about being part of a fast-paced, dynamic early stage startup

Job Responsibility

Build a climate/sustainability-focused product, working on projects that directly impact real-life EV infrastructure
Collaborate with a team of extremely talented and mission-driven teammates
Work with modern technologies and best in class tools
Build for the long term
Build major features, getting feedback from customers, driving the vision of our EV charging platform, and setting the culture of our engineering team
Work on projects like: Real-time monitoring tools for our customers to operate thousands of charging stations through one view
Utility grid integrations to dynamically manage power output of EV charging sites with 100+ chargers
Creating an industry-leading multi-modal payments experience for EV charging, combining in-person payment terminals, in-app payments, subscription billing, and more

What we offer

Healthcare benefits. Top tier health, dental, and vision insurance coverage. 100% of employee premiums and 50% of dependent premiums are covered by us
Equity benefits. All offers come with equity packages. Equity vests over four years, with a one year cliff
NYC office in the Union Square area with lunch on Tuesdays and Thursdays. Generous equipment and office furniture budget for all team members, including remote
Quarterly team bonding weeks with the full team
Unlimited time off with a culture of actually taking vacation
Personal EV rental stipend to learn more about the EV charging experience
401(k) program

Fulltime

Software Engineer

The rapid transition to electric vehicles (EVs) is the biggest change in transpo...

Location

United States , New York City

Salary:

140000.00 - 220000.00 USD / Year

Flipturn

Expiration Date

Until further notice

Requirements

2+ years of experience building software products
Experience leading significant projects from inception to post-launch
Strong technical background in full-stack software development and system design
Experience working with users to get feedback and iterating on a product
Excitement about being part of a fast-paced, dynamic early stage startup

Job Responsibility

Build a climate/sustainability-focused product, working on projects that directly impact real-life EV infrastructure
Collaborate with a team of extremely talented and mission-driven teammates
Work with modern technologies and best in class tools
Build for the long term
Impact in the EV and energy industry
Build major features, getting feedback from customers, driving the vision of our EV charging platform, and setting the culture of our engineering team
Work on projects like: Real-time monitoring tools for our customers to operate thousands of charging stations through one view
Utility grid integrations to dynamically manage power output of EV charging sites with 100+ chargers
Creating an industry-leading multi-modal payments experience for EV charging, combining in-person payment terminals, in-app payments, subscription billing, and more

What we offer

Healthcare benefits. Top tier health, dental, and vision insurance coverage. 100% of employee premiums and 50% of dependent premiums are covered by us
Equity benefits. All offers come with equity packages. Equity vests over four years, with a one year cliff
NYC office in the Union Square area with lunch on Tuesdays and Thursdays. Generous equipment and office furniture budget for all team members, including remote
Quarterly team bonding weeks with the full team
Unlimited time off with a culture of actually taking vacation
Personal EV rental stipend to learn more about the EV charging experience
401(k) program

Fulltime

Staff Software Engineer, Risk

The Risk Platform team at Airwallex is responsible for managing the risk for all...

Location

Singapore , Singapore

Salary:

Not provided

Airwallex

Expiration Date

Until further notice

Requirements

10+ years of back-end engineering experience, including substantial time owning and operating complex, distributed systems in production
Deep experience in risk, fraud, or fintech systems (e.g., payments, banking, trading, or similar high-stakes domains where correctness and reliability are critical)
Strong proficiency in Java, including multi-threading, high-concurrency patterns, performance tuning, and networked service design (I/O/NIO, HTTP/TCP, REST)
Hands-on experience with distributed system design, including event-driven architectures, partitioning/sharding, consistency models, caching strategies, and resiliency patterns
Proficiency with Spring / Spring Boot and build tools such as Gradle or Maven
Practical experience with containerization and orchestration, particularly Docker and Kubernetes, in production environments
Solid understanding of observability and operations: logging, metrics, tracing, dashboards, and incident management for large-scale systems
Ability to lead complex technical initiatives end-to-end, influencing engineers and stakeholders without relying on formal management authority
Strong communication skills, with the ability to explain complex technical topics clearly to engineers, product managers, and non-technical stakeholders
Bachelor’s degree in Computer Science or a related field, or equivalent practical experience

Job Responsibility

Lead the technical direction of core risk services, including real-time detection, decision engines, and risk tooling, ensuring they are reliable, scalable, and cost-efficient under high throughput and low-latency constraints
Design and evolve system architecture for distributed, event-driven risk systems (microservices, streaming pipelines, feature stores, model serving layers) that support global products and regulatory requirements
Own end-to-end delivery of complex initiatives: from high-level design and technical specifications, to implementation, rollout strategies, and continuous improvement
Be deeply hands-on in code and design, writing high-quality production code (primarily in Java/Spring Boot) and driving high-impact design reviews, RFCs, and architecture discussions
Partner closely with the Engineering Manager and Product Manager to shape the roadmap, define technical milestones, and translate business and risk objectives into robust engineering solutions
Champion engineering excellence by defining and enforcing standards for code quality, observability, reliability, security, and performance across the Risk Platform stack
Improve detection effectiveness by working with data and ML teams to integrate models, rules, and features into production systems, and by designing experimentation and evaluation capabilities
Drive operational excellence by improving on-call readiness, incident response, postmortems, SLIs/SLOs, capacity planning, and resilience patterns (graceful degradation, fallbacks, retries, timeouts, backpressure)
Mentor and uplevel other engineers, including senior ICs: provide technical coaching, pair programming, design guidance, and feedback that helps them do the best work of their careers
Collaborate across teams (platform, data, SRE, security, and other product engineering teams) to define clear interfaces, SLAs, and ownership boundaries for shared services and infrastructure

Fulltime

Senior Software Engineer

Share is building Africa's next-generation ISP ecosystem, a fully automated, sof...

Location

Salary:

Not provided

Talent Safari

Expiration Date

Until further notice

Requirements

5+ years of experience in full-stack software development
Expert-level proficiency with React (preferred), with strong knowledge of Vue or Angular
skilled in building responsive, accessible, and performant interfaces for web and mobile applications
Advanced hands-on experience with Node.js and Python, including designing APIs, microservices, and event-driven architectures
Proven track record designing and managing SQL (PostgreSQL, MySQL) and NoSQL (MongoDB, DynamoDB, Redis) systems at scale, including replication, sharding, and high-availability setups
Experience architecting banking, subscription, billing, and payment platforms (integration with PSPs, invoicing engines, multi-currency support)
Working knowledge of data security, access controls, encryption, and regulatory requirements relevant to fintech/telecom integrations

Job Responsibility

Lead full-stack development across backend services, data models, and frontend interfaces, ensuring alignment with Share’s vision for a new internet
Define technical roadmap and drive execution in Linear while building a scalable, secure system design
Architect and implement performant backend services for a highly integratable system powering billing, subscription management, and telecom-grade reliability
Integrate and optimize large-scale B2B platform databases (SQL + NoSQL), ensuring low-latency analytics and seamless multi-tenant scalability
Design and maintain robust data pipelines and models supporting real-time analytics, monitoring, and cross-system synchronization across the organization

What we offer

A foundational role in building infrastructure for Africa's next-generation connectivity platform
Competitive salary
Equity in a mission-driven, investor-backed company
Private health and wellness benefits
High ownership and direct impact on how millions connect to the internet

Fulltime

AI Software Engineer

PolyAI automates customer service through lifelike voice assistants that let cus...

Location

Serbia , Belgrade

Salary:

Not provided

PolyAI

Expiration Date

Until further notice

Requirements

2+ years of backend software engineering experience with strong proficiency in Python
Hands-on experience designing, deploying, and maintaining RESTful APIs
Proven experience with third-party integrations - particularly in healthcare (EHRs, FHIR/HL7 APIs, HIPAA-compliant systems) or hospitality (POS, booking, CRM, or reservation platforms such as OpenTable or SevenRooms) or FSI (banking and payment APIs like Plaid or Truelayer, KYC/AML systems such as Onfido, or core platforms like Temenos or Salesforce Financial Services Cloud)
Strong communication skills and comfort working directly with customers and partners
Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field (or equivalent practical experience)

Job Responsibility

Build and maintain integrations between PolyAI and third party systems (Salesforce, Zendesk, OpenTable, Epic, ServiceNow, and others) using our low-code platform and custom Python services
Design, deploy, and maintain RESTful APIs and webhooks to support secure, real-time data exchange across voice, CRM, and vertical platforms. Work with our dialogue designers to make sure AI agents leverage context from these APIs in a fluent manner
Work directly with solution architects and product teams at customer and partner organizations to translate requirements into scalable, production-ready integrations
Collaborate within a diverse engineering team to ensure maintainability, performance, and smooth rollout of new features
Lead exploratory work with emerging AI-native tools (vector databases, retrieval APIs, conversational analytics) to extend PolyAI’s integration capabilities
Continuously identify opportunities to improve automation and interoperability across healthcare and hospitality workflows

What we offer

Participation in the company’s employee share options plan
Tenure-Based PTO: You will receive 25 holidays when you join and will gain an additional 1 day after 2 years of service, then 1 day each year until capped at 32 holidays
Annual learning and development allowance: We will reimburse the costs of any certified and non-certified training, including conferences, events, books and subscriptions that are relevant to your role at PolyAI, in addition to any formal training that the company offers
We’re all about making WFH work for you - that’s why we offer a one-off WFH allowance when you join. Offering perks like noise-cancelling headphones or a comfortable desk chair to boost your comfort and focus
Company-funded fertility and family-forming programmes
Menopause care programme with Maven
Healthcare plan, including voluntary Health Insurance, covering services such as care for pregnant people and newborns, annual physical exams, dental care and more
Sabbatical Program: 5-week paid sabbatical available after 5 years of employment

Fulltime

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Lead Software Engineer (Real-Time Payments)

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