Software Engineer - B4B

Serko Ltd; Auckland; On-site; NZD 120,000 - 170,000; Full time

Benefits offered by this job

Competitive base salary

KiwiSaver matching up to 3.5%

Health & Wellbeing benefits

Learning & development platform access

Job summary

Serko Ltd. is seeking a senior frontend/backend engineer to deliver well-defined features across the application experience layer, web applications and BFF services.

You will ship accessible, responsive interfaces and build BFF endpoints in C# while collaborating with Product, Design and Engineering to raise the team's craft and reliability. You’ll work autonomously, write tests from requirements, and participate in on-call support and infra changes.

Qualifications

• Solid React/Next.js and TypeScript; customer-facing features shipped to production.
• Experience building APIs in C# or another backend language.
• Accessibility fundamentals including ARIA, keyboard navigation and color contrast.

Responsibilities

• Work closely with Product, Design and Engineering, modelling strong engineering standards and teamwork.
• Understand the customer problem and success measure, and check that what you ship moves it.
• Help shape work into small, shippable slices with requirements anyone, or any agent, could check.
• Independently deliver well-scoped features to production, in line with our stack and design system.
• Implement designs faithfully and accessibly, including responsive behaviour and loading states.
• Build and extend the BFF endpoints your features need in C#.
• Work agentically by default, writing tests from requirements first and verifying output before it ships.
• Lead small projects with coaching, planning the work, running stand-ups and keeping stakeholders informed.
• Deploy and support what you build, including on-call and infrastructure changes with guidance.
• Contribute ideas that improve how the team works and what it ships.

Skills

React/Next.js

TypeScript

C# backend APIs

Accessibility

Testing & metrics

Security awareness

Code reviews & mentoring

On-call support

Job description

Serko is a cutting-edge tech platform in global business travel & expense technology. When you join Serko, you become part of a team of passionate travellers and technologists bringing people together, using the world’s leading business travel marketplace. We are proud to be an equal opportunity employer, we embrace the richness of diversity, showing up authentically to create a positive impact. There's an exciting road ahead of us, where travel needs real, impactful change.

Requirements

Make an Impact

Built in partnership with Booking.com, the B4B Experience encompasses the end-to-end journey for corporate travelers, travel arrangers, and administrators.

Reporting to a Senior Engineering Manager or Engineering Manager and working alongside a supportive team, you deliver well-defined features at the application experience layer, the web applications, and the BFF and orchestration services behind them that connect our experiences to platform services. With light-touch steering, you raise the craft, accessibility and quality of what customers see and touch. You understand why the work matters, work agentically day to day and ship small changes often.

What you’ll do

• Work closely with Product, Design and Engineering, modelling strong engineering standards and teamwork.
• Understand the customer problem and success measure, and check that what you ship moves it.
• Help shape work into small, shippable slices with requirements anyone, or any agent, could check.
• Independently deliver well-scoped features to production, in line with our stack and design system.
• Implement designs faithfully and accessibly, including responsive behaviour and empty, error and loading states.
• Build and extend the BFF endpoints your features need in C#.
• Work agentically by default, giving agents clear tasks and context, writing tests from requirements first and verifying output before it ships.
• Make reversible calls yourself; esc...
• Lead small projects with coaching, planning the work, running stand-ups and keeping stakeholders informed.
• Deploy and support what you build, including on-call and infrastructure changes with guidance, and instrument both system health and customer outcomes.
• Contribute ideas that improve how the team works and what it ships.
  

What you’ll bring

• Solid React/Next.js and TypeScript, and customer-facing features shipped to production.
• Working experience building APIs in C# or another backend language.
• Accessibility fundamentals, including semantic HTML, keyboard navigation, colour contrast and ARIA.
• Plans and executes work effectively, balancing speed and quality and adapting when priorities shift.
• Designs small, simple, maintainable solutions that avoid common security vulnerabilities.
• Contributes to team technical discussions and recognizes dependencies in the team's system.
• Uses tests, metrics and dashboards to improve quality and reliability.
• Deliberately builds understanding of the code you ship, so judgement grows alongside agentic productivity.
• Supports peers through review and knowledge sharing, helps align the team around agreed

Benefits

At Serko, we aim to create a place where people can come and do their best work. This means you’ll be operating in an environment with great tools and support to enable you to perform at the highest level of your abilities, producing high-quality and delivering innovative and efficient results. Our people are fully engaged, continuously improving, and encouraged to make an impact.

Some of the benefits of working at Serko are:

• A competitive base salary
• KiwiSaver covered with employee contributions matches up to 3.5% of salary, and life insurance.
• Health & Wellbeing: Discounted Southern Cross Health Insurance, access to confidential support, guidance and counselling service, wellbeing and voluntary leave, and free flu shots.
• Focus on development: Access to a learning & development platform, committed budget and opportunity for you to own your career pathways.