Senior Software Engineer

Reposted 2 Days Ago
London, Greater London, England, GBR
In-Office
Senior level
Artificial Intelligence • Cloud • Consumer Web • eCommerce • Information Technology • Software
We Mean Business.
The Role
Own and deliver end-to-end solutions across services, APIs, UI surfaces, and event flows. Design reliable production systems, handle monitoring and incidents, debug distributed systems, collaborate with product and cross-functional teams, and improve quality through tests, observability, and simpler designs.
Summary Generated by Built In
Welcome to the Agentic Commerce Era

At Commerce, our mission is to empower businesses to innovate, grow, and thrive with our open, AI-driven commerce ecosystem. As the parent company of BigCommerce, Feedonomics, and Makeswift, we connect the tools and systems that power growth, enabling businesses to unlock the full potential of their data, deliver seamless and personalized experiences across every channel, and adapt swiftly to an ever-changing market. We believe in harnessing AI responsibly to unlock new possibilities, and we’re looking for individuals who use it intentionally to solve problems, accelerate outcomes, and expand what’s possible in their role. Our purpose is to help businesses confidently solve complex commerce challenges so they can build smarter, adapt faster, and grow on their own terms. If you want to be part of a team of bold builders, sharp thinkers, and technical trailblazers who shape the future of commerce, this is the place for you.

We are looking for a Senior Software Engineer who can own complex problems from discovery through production. This role is not narrowly frontend, backend, or data engineering. The right person can work across services, APIs, event flows, product experience, production debugging, and cross-team delivery.

They should be comfortable taking an unclear business or customer problem, breaking it down, making trade-offs clear, and shipping a reliable solution.

We need someone who raises the engineering bar without needing a lot of direction.

What You'll Do
  • Design and build reliable services, APIs, and product-facing workflows.

  • Work across backend systems, UI surfaces, event processing, and third-party integrations.

  • Turn unclear problems into concrete technical plans.

  • Own production behavior, including monitoring, alerting, logging, debugging, and runbooks.

  • Work with product, design, infrastructure, support, and other engineering teams.

  • Improve quality through tests, code review, observability, and simpler designs.

  • Use data and production evidence to validate decisions.

  • Take ownership of incidents and production issues when systems do not behave as expected.

Who You Are
  • You have 5+ years of software engineering experience, with strong backend skills in Java, Scala, Kotlin, Go, or a similar language

  • Education: Preferred minimum Bachelor's degree in CS, EE, SW, CE, MIS; or equivalent experience

  • You have experience owning ambiguous technical work and can solve problems across multiple layers of a system, from backend services to product-facing frontend workflows when needed

  • You're comfortable with distributed systems, event-driven flows, caching, retries, rate limits, and the many ways production systems fail

  • You have experience building APIs, services, and integrations, backed by solid SQL and data-driven product decisions

  • You've worked with a cloud platform (GCP, AWS, or similar) and event systems like Kafka, RabbitMQ, or Pub/Sub

  • You write automated tests, review code thoughtfully, and use logs, metrics, dashboards, and tracing to understand how your systems actually behave in production

  • You're a strong production debugger who stays calm and clear during incidents, and you can explain trade-offs to both engineers and non-engineers

  • You have a bias toward simple, reliable solutions that other engineers can operate without you in the room

  • You take ownership of outcomes, not just tickets — you ask what problem you're solving before jumping to implementation, validate risky assumptions early, and escalate when risk or scope is unclear

  • You don't take shortcuts around process, security, or production safety

  • Nice to have: React/TypeScript or similar frontend experience, merchant- or customer-facing product work, third-party integrations (OAuth, account linking, external APIs), Redis/caching/queues at scale, or experience with analytics and event data products

#LI-RA1

Inclusion and Belonging

At Commerce, we believe that celebrating the unique histories, perspectives and abilities of every employee makes a difference for our company, our customers and our community. We are an equal opportunity employer and the inclusive atmosphere we build together will make room for every person to contribute, grow and thrive.

We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the interview process, to perform essential job functions and to receive other benefits and privileges of employment. If you need an accommodation in order to interview at Commerce, please let us know during any of your interactions with our recruiting team.

Learn more about the Commerce team, culture and benefits at https://www.commerce.com/careers/

Protect Yourself Against Hiring Scams: Our Corporate Disclaimer 

Commerce, along with many other employers, has become the subject of fraudulent job offers to hopeful prospective job seekers.
Be advised:
Commerce does not offer jobs to individuals who do not go through our formal hiring process.
Commerce will never:

  • require payment of recruitment fees from candidates;

  • request personally identifiable information through unsanctioned websites or applications;

  • attempt to solicit money from you as part of the hiring process or as part of an employment offer;

  • solicit money to complete visa requirements as part of a job offer.

If you receive unsolicited offers of employment from Commerce, we urge you to be extremely cautious and avoid engaging or responding.

Skills Required

  • Strong senior-level engineering judgment
  • Experience owning ambiguous technical work end-to-end
  • Ability to solve problems across multiple layers of a system
  • Strong backend engineering experience with production services
  • Frontend experience sufficient to work on product-facing workflows
  • Comfort with distributed systems, event-driven flows, caching, retries, rate limits, and failure modes
  • Strong production debugging skills, monitoring, alerting, logging, and runbook ownership
  • 5+ years of software engineering experience
  • Strong experience with Java, Scala, Kotlin, Go or a similar backend language
  • Experience building APIs, services, and integrations
  • Experience with SQL and data-backed product behavior
  • Experience with GCP, AWS, or another cloud platform
  • Experience with Kafka, RabbitMQ, Pub/Sub, or similar event systems
  • Experience with logs, metrics, dashboards, alerts, and tracing (observability)
  • Experience writing automated tests and reviewing code
  • React / TypeScript or similar frontend experience
  • Experience with merchant-facing or customer-facing product workflows
  • Experience with third-party integrations, account linking, OAuth, or external APIs
  • Experience with Redis, caching, rate limiting, queues, or high-volume event processing
  • Experience with analytics, reporting, attribution, or event data products

What the Team is Saying

Jason Schmitt
Gloriana Berry
Tiffany Croom
Tiffany Croom
Larry Choate
Madison Buchmeyer
Preston Huth
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The Company
HQ: Austin, TX
1,200 Employees
Year Founded: 2009

What We Do

Commerce (Nasdaq: CMRC) empowers businesses to innovate, grow, and thrive through an open, AI-driven commerce ecosystem. As the parent company of BigCommerce, Feedonomics, and Makeswift, we help brands unlock the full potential of their data, connect systems, and deliver seamless, personalized experiences across every channel. Visit commerce.com or follow us for more. #PoweredByCommerce

Why Work With Us

Ask any employee what makes Commerce unique, they will tell you it's the people. The team is full of brilliant, dedicated individuals focused on revolutionizing the world of ecommerce. We foster a culture that encourages inclusion of every employee, celebrating our individuality and the values that bring us together.

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