• Develop and maintain core Java components of BotCity's Products • Develop solutions in Core Java with a focus on clarity, maintainability, and performance • Write clean, efficient, and well-tested code, with ownership from requirement to production • Apply design patterns and object-oriented principles thoughtfully in the architecture of solutions • Implement and optimize routines that require concurrency control, thread management, and JVM resource handling • Write robust unit tests, ensuring coverage and testable code design from the start • Participate in code reviews focused on technical quality, pointing out design improvements and readability • Communicate blockers and progress clearly and in a timely manner • Analyze and resolve performance issues, identifying bottlenecks in JVM behavior and application code • Document technical decisions and contribute to the evolution of the team's development standards.

• Collaborate closely with key stakeholders and a team of data scientists • Design and implement new project code and MLOps frameworks for the deployment of models in production • Build machine learning models for financial / investment company • Partner with client teams to identify opportunities where data science could add value, helping generate demand and shape a roadmap for future work • Monitor existing productionised pipelines, addressing any issues in a timely manner to ensure smooth and continuous operation

About Airwallex Airwallex is the only unified payments and financial platform for global businesses. Powered by our unique combination of proprietary infrastructure and software, we empower over 200,000 businesses worldwide - including Brex, Rippling, Navan, Qantas, SHEIN and many more - with fully integrated solutions to manage everything from business accounts, payments, spend management and treasury, to embedded finance at a global scale. Proudly founded in Melbourne, we have a team of over 2,000 of the brightest and most innovative people in tech across 26 offices around the globe. Valued at US$8 billion and backed by world-leading investors including T. Rowe Price, Visa, Mastercard, Robinhood Ventures, Sequoia, Salesforce Ventures, DST Global, and Lone Pine Capital, Airwallex is leading the charge in building the global payments and financial platform of the future. If you're ready to do the most ambitious work of your career, join us. Attributes We Value We hire successful builders with founder-like energy who want real impact, accelerated learning, and true ownership. You bring strong role-related expertise and sharp thinking, and you're motivated by our mission and operating principles. You move fast with good judgment, dig deep with curiosity, and make decisions from first principles, balancing speed and rigor. You're humble and collaborative; turn zero-to-one ideas into real products, and you "get stuff done" end-to-end. You use AI to work smarter and solve problems faster. Here, you'll tackle complex, high-visibility problems with exceptional teammates and grow your career as we build the future of global banking. If that sounds like you, let's build what's next. The Opportunity: Be Part of Our Growth Team Our Growth Team sits at the heart of Airwallex's mission, focusing on user acquisition and strategic market expansion. We leverage data and cutting-edge technologies to craft seamless, intuitive experiences that help millions of users discover, engage with, and benefit from our products. From new-user funnels to onboarding optimizations, our Growth team is all about experimentation, rapid iteration, and driving sustainable business impact. Whether it's designing scalable architectures for high-traffic pages, building robust A/B testing frameworks, or integrating global marketing platforms, the Growth team's contributions directly shape how we attract and retain customers worldwide. Joining the Growth team means you'll have a front-row seat to the most crucial stage of our product lifecycle and play a pivotal role in fueling the next wave of our global expansion. Responsibilities: - Design and Build Scalable Systems - Architect, develop, and maintain microservices in Java/Kotlin (or similar languages), ensuring our high-traffic, high-availability systems meet global user demands. - Implement best practices for service-to-service communication, orchestration, and fault tolerance. - Enable Data-Driven Decisions - Collaborate with data scientists and product managers to design data pipelines, analytics platforms, and event-driven architectures. - Ensure the data powering our Growth initiatives is accurate, reliable, and easily accessible. - Collaborate and Innovate - Work closely with cross-functional teams-Frontend, Product, Design, and Marketing-to translate business requirements into scalable backend solutions. - Participate in architectural reviews, code reviews, and strategy sessions to continually elevate the quality and performance of our backend services. - Experiment and Iterate - Develop services that support rapid A/B testing, feature toggles, and real-time performance monitoring. - Continuously improve backend functionalities to reduce friction, increase user engagement, and drive conversions. - Promote Security & Compliance - Integrate secure coding practices and frameworks to protect user data and maintain global regulatory compliance. - Identify potential vulnerabilities, ensure robust authentication and authorization mechanisms, and proactively address security risks. Who you are: - Experienced and Technically Proficient: You possess a wealth of experience in software development, underpinned by a robust expertise in Java/Kotlin. Your approach goes beyond mere coding; you are a craftsman of comprehensive solutions. As a technical bar raiser, you set high standards and lead by example, elevating the capabilities of those around you. - Empathetic and Insightful: Your deep empathy for customer needs drives your development process, allowing you to create intuitive and impactful products. This understanding is not just about meeting requirements, but about enriching user experiences. - Data-Driven and Analytical: You view data as a narrative element of development, a critical tool that informs your decision-making process. Your ability to interpret data enhances product performance and elevates user satisfaction, making you a pivotal member of our team. - Collaborative and Knowledge-Sharing: True collaboration is second nature to you. You thrive in team settings and are committed to sharing knowledge and ideas, which you see as vital to fostering innovation. Your role as a coach involves mentoring peers and promoting a learning culture within the team. - Adaptable and Continuously Learning: In the fast-paced world of fintech, you stand out for your agility and eagerness to adopt new skills and technologies. Challenges are opportunities for growth, and you are always prepared to expand your horizons. - Proactive and Ownership-Driven: You are self-motivated and take initiative, demonstrating a strong sense of ownership in your projects. Your proactive approach ensures that you are always ahead of the curve, ready to take on responsibilities and lead projects to successful outcomes. - Efficient and Prioritization-Savvy: You excel at prioritizing tasks, which enables you to manage your workload effectively while maintaining high standards of quality. This skill ensures that critical project components receive the attention they need without sacrificing overall progress. Minimum qualifications: - Bachelor degree or above in computer science or engineering related majors. - 5+ years of experience in modern engineering practices focused on continuous integration and quality engineering. - Strong computer science fundamentals, solid understanding of OOP concepts. - Experience domain driven design and event driven architectures. - Deep working experience with high throughput / low latency / high available distributed systems. - Cloud experience with GCP (preferred) or AWS (EC2, RDS, ELB, CloudFront, etc.) with Docker and Kubernetes. - Familiarity with observability tooling such as Splunk, Grafana, and Prometheus. Preferred qualifications: - Experience with JVM based programming Java or Kotlin, familiar with Spring/Spring Boot - Experience solving GTM operations end-to-end - Knowledge of data warehousing, customer segmentation, and analytics tools - Familiarity with building internal or customer-facing products with AI & LLMs Applicant Safety Policy: Fraud and Third-Party Recruiters To protect you from recruitment scams, please be aware that Airwallex will not ask for bank details, sensitive ID numbers (i.e. passport), or any form of payment during the application or interview process. All official communication will come from an @airwallex.com email address. Please apply only through careers.airwallex.com or our official LinkedIn page. Airwallex does not accept unsolicited resumes from search firms/recruiters. Airwallex will not pay any fees to search firms/recruiters if a candidate is submitted by a search firm/recruiter unless an agreement has been entered into with respect to specific open position(s). Search firms/recruiters submitting resumes to Airwallex on an unsolicited basis shall be deemed to accept this condition, regardless of any other provision to the contrary. Equal opportunity Airwallex is proud to be an equal opportunity employer. We value diversity and anyone seeking employment at Airwallex is considered based on merit, qualifications, competence and talent. We don't regard color, religion, race, national origin, sexual orientation, ancestry, citizenship, sex, marital or family status, disability, gender, or any other legally protected status when making our hiring decisions. If you have a disability or special need that requires accommodation, please let us know.

Description Think of TEKsystems Global Services (TGS) as the growth solution for enterprises today. We unleash growth through technology, strategy, design, execution and operations with a customer-first mindset for bold business leaders. We deliver cloud, data and customer experience solutions. Our partnerships with leading cloud, design and business intelligence platforms fuel our expertise. We value deep relationships, dedication to serving others and inclusion. We drive positive outcomes for our people and our business, and we stay true to our commitments and act in harmony with our words. We exist to create significant opportunity for people to achieve fulfillment through career success. Ready to join us? Here’s what the opportunity supported through our TGS Talent Acquisition Team requires: In this position you would be responsible for analyzing, designing, documenting, and implementing the components, software, and layers required for complex software implementations based on requirements and design specifications. As part of the team in charge of building and delivering a solution, this person will perform tasks including analysis, design, testing, architecture, planning, estimation, coding, debugging and knowledge transfer. Team members identify needs, estimate and commit to delivering on those tasks, and track the status of those tasks to completion. Key Accountabilities and Priorities: • Responsible for the analysis of software applications and computer systems • Assist in analyzing, designing and developing new software applications including coding, testing, debugging and documenting programs in support of the Software Development Life Cycle Required Education and/or Experience: • 5+ years of experience in Object Oriented analysis, design, development and integration of software products in a company recognized for software development capability • 3+ years development experience with Java (j2EE, Hibernate, Spring, etc.) • Experience with JavaScript / TypeScript • Experience with Angular or React • Experience using software best practices like test driven development (TDD) and continuous integration (CI) • Experience working with Agile methods and iterative development, such as SCRUM, Kanban, Extreme Programming (XP), and pair programming • Bachelor’s degree / 4-year college degree in Computer Science, or equivalent work experience • Experience with cloud platforms (AWS, GCP, Azure) Requisite Abilities and/or Skills: • Solid experience with design patterns, refactoring and unit testing and object oriented analysis/design • Familiarity with relational databases, preferably Oracle or SQL Server • Excellent communication skills - must be strong enough for customer facing situations Skills Java, Javascipt, Angular, React, Cloud, java developer, design patterns, refactoring, unit testing, object oriented programming Top Skills Details Java,Javascipt,Angular,React,Cloud,java developer,design patterns,refactoring,unit testing,object oriented programming Additional Skills & Qualifications • Analyze and understand user and computer systems requirements as well as design solutions and write specifications for computer programs. • Participate in software development lifecycle activity; estimating, planning, designing, coding, documenting and testing of software applications. • Participate in technical code reviews and provide guidance to junior developers. • Assist in development of user stories, including feature design and acceptance criteria. • Align with senior and lead developers on delivering features that meet the documented requirements. Experience Level Expert Level Job Type & LocationThis is a Permanent position based out of Baltimore, MD. Pay and BenefitsThe pay range for this position is $81100.00 - $121700.00/yr. We reserve the right to pay above or below the posted wage based on factors unrelated to sex, race, or any other protected classification. Additional earnings may be available through incentive programs like annual bonuses, profit sharing, etc. Our full-time, internal employment benefits include the following: • Medical, Dental, and Vision • Critical Illness, Accident, and Hospital • 401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available • Life Insurance (Voluntary Life and AD&D for employee and dependents) • Short and Long-Term Disability • Health Spending Account (HSA) • Transportation Benefits • Employee Assistance Program • Time Off/Leave (PTO, Vacation or Sick Leave) Workplace TypeThis is a fully remote position. Application DeadlineThis position is anticipated to close on Apr 24, 2026. h4>About TEKsystems: We're partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia. As an industry leader in Full-Stack Technology Services, Talent Services, and real-world application, we work with progressive leaders to drive change. That's the power of true partnership. TEKsystems is an Allegis Group company. The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law. About TEKsystems and TEKsystems Global Services We’re a leading provider of business and technology services. We accelerate business transformation for our customers. Our expertise in strategy, design, execution and operations unlocks business value through a range of solutions. We’re a team of 80,000 strong, working with over 6,000 customers, including 80% of the Fortune 500 across North America, Europe and Asia, who partner with us for our scale, full-stack capabilities and speed. We’re strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. We’re building tomorrow by delivering business outcomes and making positive impacts in our global communities. TEKsystems and TEKsystems Global Services are Allegis Group companies. Learn more at TEKsystems.com. The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.