Staff Backend Engineer, Cards Job at Airwallex (Singapore)

Staff Backend Engineer

As a staff software engineer, you are a senior individual contributor responsibl...

Location

Singapore , Singapore

Salary:

Not provided

Airwallex

Expiration Date

Until further notice

Requirements

8+ years of professional software engineering experience, with sustained impact as a senior or staff-level individual contributor
Bachelor’s degree in Computer Science, Software Engineering, or a related field
Strong proficiency in backend development using languages such as Java, Kotlin, Go, or Python
Deep experience designing and delivering large-scale, distributed systems in production
Strong computer science fundamentals and solid understanding of object-oriented design
Hands-on experience with event-driven and streaming architectures, for example Kafka
Proven experience designing and operating RESTful APIs at scale
Experience with domain-driven design and event-driven architectures
Cloud experience with GCP (preferred) or AWS, including Docker and Kubernetes
Familiarity with observability tooling such as Splunk, Grafana, and Prometheus

Job Responsibility

Design, build, and operate highly reliable, scalable systems that powers real-time card transactions
Take end-to-end ownership of complex problem spaces, from system design through production rollout and long-term evolution
Lead the design of distributed, event-driven systems with strong guarantees around correctness, performance, and resiliency
Drive architectural improvements that reduce complexity, improve operability, and enable future product growth
Set a high bar for code quality, testing, observability, and operational readiness
Identify and remove technical bottlenecks that slow down teams or introduce systemic risk
Influence technical direction across multiple teams through design reviews, RFCs, and hands-on collaboration
Mentor senior engineers and help shape engineering best practices without formal people management responsibilities
Contribute to the evolution of core infrastructure and shared platform capabilities to improve developer productivity and system reliability
Evaluate new technologies pragmatically and guide their adoption where they deliver clear value

Fulltime

New

Project Controls Coordinator III

Under the direction of the Supervisor Project Controls, the Analyst will perform...

Location

Canada , North York

Salary:

55.00 - 58.00 CAD / Hour

Randstad

Expiration Date

June 03, 2026

Requirements

Four Year Degree or combination of education and related experience
Minimum of 5 years of Project Controls or Project Management experience
Project Management professional designation is preferred
Experienced analytical skills including Earned Value Management
An independent worker within a team setting
Demonstrated professional engagement at a high level with work group, stakeholders, and contractors in a team setting
Proficient in the use of SAP, Oracle and MS office suite, intermediate+ Excel skills
Excellent communication, interpersonal, and organizational skills
Ability to effectively manage and prioritize workload, bring issues forward and develop working relationships at all levels of the organization
Detail oriented and understands the importance of data reconciliation

Job Responsibility

Analyze and maintain the project costs at the WBS level including control budget, incurred costs, commitments, and forecast
Provide the project team with accurate and timely cost information and reporting
Perform earned value measurements to anticipate forecast impacts
Perform monthly project close processes and prepare monthly project reports and comparative capital cost estimates for the project in Excel and EcoSys
Prepare and document project change orders timely in accordance with Project Management Office standards
Engage the Project Managers in meetings and discussions to review and reforecast project costs
Review cost transactions to ensure accurate project costs
Communicate with larger Controls team for the project
Liaise with Project Managers and Field Cost Analysts to ensure engagement with the project progress, changes, highlights and issues
Maintain the project Work Breakdown Structure such that it facilitates project execution and cost control during project execution and meets accounting requirements for asset creation and project closeout

Fulltime

New

Mechanical Engineer - Energy Solutions

Join a Team of engineers dedicated to working hand-in-hand with large manufactur...

Location

Canada , North York

Salary:

65.00 - 68.00 CAD / Hour

Randstad

Expiration Date

May 09, 2026

Requirements

Engineering Degree preferred, Chemical or Mechanical Engineering preferred
Membership in Professional Engineers of Ontario or similar professional organization is preferred
Proven skills in: leading and influencing without explicit authority
time management
Ability to work independently but work within team of like-minded professionals
Valid driver’s license with a responsible driving record is needed

Job Responsibility

Identify new contacts and conduct at large manufacturing facilities to for the purpose to arrange site visits
Attend joint-site visits with team members to support in the identification and quantification of potential energy savings projects
Balance multiple priorities: Able to effectively manage time and priorities, consistently delivering in firm annual savings targets
Quantify impact and secure buy-in: Build technical savings calculations, sometimes from scratch, to support project justification and persuade key stakeholders on execution of work
Provide solutions to complex problems: expertly analyze complex operations across various industries and synthesize available information to create solutions equally appealing to business and technical people
Forge long-term customer relationships: build and nurture professional relationships founded on unwavering trust and mutual respect, being a first-choice energy efficiency partner for your customers
Continuous growth and curious mindset: Proactively identify new savings opportunities to drive both short and long-term work and build a sales funnel for sustained growth
Drive results autonomously while thriving in a collaborative environment: Play a supporting role in managing a small group customer base and integrate into, and support broader Team to achieve personal and collective objectives

What we offer

Hybrid Work Model: in-Office (Monday, Tuesday & Thursday) Remote (Wednesday & Friday)

New

Senior Hardware Compliance Designer

Are you an experienced Electrical Engineer with a deep understanding of Electrom...

Location

Canada , North York, Ontario

Salary:

50.00 - 58.00 CAD / Hour

Randstad

Expiration Date

May 09, 2026

Requirements

Bachelor’s degree in Electrical Engineering or an equivalent combination of diplomas and work experience
6 to 10+ years of professional experience in hardware qualification or testing
Excellent knowledge of core EMC concepts, including Cabling, Grounding techniques, and Surge Protection
Demonstrated familiarity with railway (or similar industry) EMC and environmental standards
Proficiency in operating hardware test equipment and simulators used in the qualification process
Professional verbal and effective writing skills to ensure clear, concise, and unambiguous technical documentation and presentations
High degree of professionalism, strong ability to follow directions, use sound judgment, and keep meticulous track of all assigned tasks

Job Responsibility

Leading the hardware qualification, certification, and verification activities for new and revised products from planning through to customer acceptance
Conducting in-depth Electromagnetic Compatibility (EMC) tests on electronic devices according to industry standards (e.g., EN 61000 series, EN 50121 series, FCC, AREMA, MIL standards)
Performing environmental qualification tests (e.g., temperature, humidity, shock & vibration) on signaling electronic devices as per standards like EN 50125 and EN 50155
Participating in troubleshooting EMC-related issues and providing technical data and measurements to the design team
Preparing and driving comprehensive project documentation to customer acceptance, including the EMC Control Plan, EMC Compatibility Study, EMC Hazard Analysis, and EMC Test Report
Preparing hardware environmental qualification plans and reports, understanding the impact of requirements, and providing feedback on different technical approaches
Leading and managing subcontractors for specific on-site EMC measurements
Participating in ISA committee audits related to EMC and environmental requirements
Mentoring and developing junior team members within the department

What we offer

Impactful Work: Lead the qualification process for cutting-edge electronic devices used in safety-critical railway signaling systems
Technical Leadership: Be the in-house expert on EMC and environmental standards, influencing design and compliance strategies
Professional Development: Opportunities to develop junior team members and participate in high-level ISA committee audits
Global Exposure: Work with international standards and lead engagements with external subcontractors and customers for acceptance

Fulltime

New

Customs Compliance Specialist

Are you a trade compliance expert with a specialized background in the aviation ...

Location

Canada , Woodbridge, Ontario

Salary:

30.00 - 45.00 CAD / Hour

Randstad

Expiration Date

May 15, 2026

Requirements

Bachelor’s degree in Supply Chain, International Business, Aviation Management, or a related field (equivalent experience considered)
5+ years of dedicated customs/trade compliance experience, specifically within aerospace, aviation repair, or a high-tech regulated industry
Deep proficiency in EAR, HTS coding, and aviation-specific documentation (8130-3, EASA Form 1, teardown documentation)
Experience with NAV (Microsoft Dynamics) or similar ERP systems for tariff code management is preferred
A U.S. Customs Broker License, CCS, or specialized aviation compliance certification is a significant asset
Strong analytical ability, meticulous attention to detail, and the communication skills necessary to influence cross-functional teams in multiple countries

Job Responsibility

Ensure all aviation parts comply with U.S. Customs (CBP), EAR, FAA, and DOT regulations, as well as Canadian and UK (HMRC) requirements
Maintain expert-level accuracy for HTS codes, ECCN, country-of-origin, and valuation, specifically regarding airworthiness tags (8130-3/EASA Form 1)
Manage inbound consolidations and broker relationships (Expeditors/Freight Boy)
resolve PARs issues, and audit FedEx/broker invoices to minimize duty spend
Manage Item Card tariff codes in NAV
file and track duty recovery disputes
and perform gap analyses to identify process improvements
Serve as the primary point of contact for USCBP, BIS, and Census Bureau
lead internal and external compliance audits and maintain rigorous record-keeping

What we offer

6 month contract with the opportunity to become permanent
Hybrid work environment
Play a pivotal role in a highly regulated international supply chain, acting as a bridge between North American operations and UK-based parent company compliance
Opportunity to spearhead high-value projects, including the exploration of bonded warehouse setups and process automation within your first 120 days
Work within the Aerospace industry that values technical expertise and regulatory mastery

Fulltime

New

CNC Programmer - Laser Cutting and Forming

We are hiring for an experienced CNC Programmer – Laser Cutting & Forming. The s...

Location

Canada , St. Thomas

Salary:

26.55 - 39.83 CAD / Hour

Randstad

Expiration Date

May 25, 2026

Requirements

Post-secondary education in a relevant field of engineering
5 years of experience in CAD CAM programming
Experience with Laser machines, Press Brake machines, and CNC machining
Proficient in Fusion 360, Autocad, Solidworks, and Bisoft CAD software
Strong understanding of manufacturing processes and equipment
Excellent problem-solving and analytical skills
Ability to work in a fast-paced environment and meet deadlines
Strong communication and teamwork skills

Job Responsibility

Develop and optimize CNC laser cutting and forming programs for a range of materials including steel, aluminum and stainless steel
Utilize CAD/CAM software (AutoCAD, SolidWorks, Bysoft) to create and modify cutting plans for Bystronic laser cutting machines as well as bending plans for Bystronic forming equipment, and ensure efficient material usage
Analyze drawings and 3D models to create accurate and detailed programs for CNC cutting and forming operations
Set up and operate CNC laser cutting and forming machines, including loading material, adjusting settings, test runs and production runs (when necessary)
Monitor laser cutting and forming process to ensure parts meet specifications and quality standards
Maintain up-to-date knowledge of CNC laser cutting and forming technologies, machine capabilities and industry best practices
Responsible for preventative maintenance activities and troubleshooting/resolution of issues with lasers and forming equipment
Collaborate with planning, engineering and production teams to review project requirements and provide feedback on continuous improvement to increase productivity, material waste reduction and overall efficiency

What we offer

Competitive compensation $30-$40/hour
Opportunity to work with a dynamic team
Contract position to start with opportunity to extend or become permanent

Fulltime

New

Mechanical maintenance engineer

Are you an experienced building services maintenance engineer who has strong Mec...

Location

United Kingdom , City of London

Salary:

46000.00 - 48000.00 GBP / Year

Randstad

Expiration Date

April 15, 2026

Requirements

Mechanically qualified to City & Guilds Level 3 or NVQ (or equivalent)
Min 2 years building services maintenance experience in commercial office environments
Physically fit - able to navigate a high-rise building
Client facing - able to work closely with the facility manager for the end client
Candidates must be eligible to live and work in the UK

Job Responsibility

Planned preventative maintenance and reactive maintenance of on-site mechanical plant and plumbing systems
AHUs - fault finding and strip downs
FCUs - fault finding and strip downs
Pumps - Bearings, Mechanical Seals and fault finding
Maintenance/routine checks on sprinkler, fire alarm and emergency lighting systems
Water Treatment (Tap Tests, Dosing, Cooling Tower Checks, etc)
Chilled and hot Water Systems
Plumbing maintenance
Generators - visual inspections and fault finding
Pressurisation units

What we offer

4 Days on and off (Days Only)
25 days holiday entitlement + 8 days bank holidays

!

New

Registered Manager

Foundational leader to help build a brand-new, 3-bed EBD home from the ground up...

Location

United Kingdom , Birmingham

Salary:

50000.00 - 55000.00 GBP / Year

Randstad

Expiration Date

April 11, 2026

Requirements

At least 1-2 years of experience as a Registered Manager
Or a formidable Deputy Manager with several years of experience and readiness to step up
NVQ 4 in health and social care - children
Be able to manage challenging situations
Be person centred
Can work as an individual or part of a team
Caring
Competent at dealing with all stakeholders
Critical thinking
Emotional intelligence

Job Responsibility

Lead the home through its initial Ofsted registration
Shape a culture
Hire your own team
Implement a therapeutic environment
Be part of the on-call rotation to support your team

What we offer

Registration Success Bonus of £4,000 - £5,000 upon achieving successful registration with Ofsted
Access to a discounted meat scheme
Eventual flexible working hours once the home is established and stable
Chance to be the cornerstone of a new and growing company
Mentorship of an RI with a proven track record

Fulltime

!

Staff Backend Engineer, Cards

Airwallex

Location:
Singapore , Singapore

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:
February 21, 2026

Looking for more opportunities? Search for other job offers that match your skills and interests.

Similar Jobs for Staff Backend Engineer, Cards

Staff Backend Engineer

Project Controls Coordinator III

Mechanical Engineer - Energy Solutions

Senior Hardware Compliance Designer

Customs Compliance Specialist

CNC Programmer - Laser Cutting and Forming

Mechanical maintenance engineer

Registered Manager

Staff Backend Engineer, Cards

Airwallex

Location:Singapore , Singapore

Category:IT - Software Development

Contract Type:Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:February 21, 2026

Looking for more opportunities? Search for other job offers that match your skills and interests.

Similar Jobs for Staff Backend Engineer, Cards

Staff Backend Engineer

Project Controls Coordinator III

Mechanical Engineer - Energy Solutions

Senior Hardware Compliance Designer

Customs Compliance Specialist

CNC Programmer - Laser Cutting and Forming

Mechanical maintenance engineer

Registered Manager

Location:
Singapore , Singapore

Category:
IT - Software Development

Contract Type:
Not provided

Job Posted:
February 21, 2026