Software Development Engineer 1
WEX
About the role
WEX is a leading global provider of payment solutions and financial technology services, serving businesses across travel, fleet, and corporate sectors. With a strong presence in more than 30 countries, the company leverages cuttingβedge platforms to simplify complex payment workflows and deliver realβtime insights to its clients. In India, WEX has been expanding its engineering footprint, especially in Bengaluru, to tap into the vibrant tech talent pool and drive innovation in cloudβnative applications, data analytics, and APIβfirst services.
The organization promotes a collaborative culture where engineers are encouraged to experiment, learn, and contribute to products that have a tangible impact on millions of transactions daily.
The role of Software Development Engineer 1 (SDEβ1) is designed for fresh graduates who are eager to start their professional journey in software engineering. As an SDEβ1, you will be part of a dynamic product team that builds and maintains backend services and fullβstack features for WEXβs payment platforms. You will work closely with senior engineers, product managers, and quality assurance teams to translate business requirements into scalable, reliable code.
This position offers a solid foundation in modern software development practices, exposure to cloud environments, and opportunities to grow into specialized or leadership roles within the company.
Key Responsibilities
- Design, develop, and maintain robust software components using Java, Python or JavaScript/TypeScript.
- Implement RESTful APIs and integrate them with databases and thirdβparty services.
- Write clean, testable, and wellβdocumented code adhering to coding standards.
- Participate in code reviews, provide constructive feedback, and adopt best practices.
- Debug, troubleshoot, and resolve software defects efficiently.
- Develop unit tests and contribute to automated testing pipelines.
- Collaborate with crossβfunctional teams to define technical specifications and product roadmaps.
- Assist in CI/CD pipeline setup and basic cloud deployment tasks.
- Continuously learn and apply new technologies, especially in cloud and containerization.
- Contribute ideas for performance optimization and architectural improvements.
Tech Stack: Java / Python / Node.js, TypeScript, Spring Boot / Express, PostgreSQL / MySQL, AWS (EC2, S3, Lambda), Docker, Git, Jenkins/GitHub Actions, REST APIs, Agile Scrum.
Growth Path: Starting as an SDEβ1, you can progress to SDEβ2, SDEβ3, and eventually to Lead Engineer or Architecture roles. WEX also encourages lateral moves into product management, data engineering, or DevOps, supported by internal training programs and mentorship.
Why Join WEX? You will work on missionβcritical payment systems that affect realβworld commerce, gain exposure to global best practices, and be part of a supportive community that values continuous learning. The company offers competitive compensation, flexible work arrangements, and a clear roadmap for career advancement, making it an ideal launchpad for ambitious software engineers.
Eligibility & process
Who can apply
Bachelor's degree in Computer Science, Information Technology, Software Engineering, or related fields; minimum 60% aggregate or CGPA 6.0/10; graduating batch 2023β2025; no active backlogs at the time of joining; strong academic record in core programming subjects.
Skills & stack
Selection process
- Round 1: Online coding assessment (DSA and programming problems)
- Round 2: Technical interview (system design, coding, and problem solving)
- Round 3: HR interview (fitment, motivations, and company culture)
Prep kit
20 resourcesStudy material 4
Company-specific guides 4
Likely coding questions 4
Round-wise strategy 4
Technical questions 5
Explain OOP (Object-Oriented Programming) principles with real-world examples in Java. Answer
What is the time and space complexity of QuickSort vs MergeSort? Answer
Explain the difference between SQL Indexing (B-Tree vs Hash) and when not to use an index. Answer
What happens under the hood when you enter a URL in a browser? Answer
What is the difference between REST and GraphQL APIs? Answer
Behavioural & HR questions 3
Highlight WEX's market reputation, recent tech innovations, and how your skills in Java directly solve their team's objectives.
Use the STAR method: Situation (project context), Task (what needed solving), Action (specific tools/logic applied), Result (quantifiable positive outcome).
Explain your prioritization strategy, proactive communication with mentors/peers, and agile mindset.