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HighLevelHI

Software Development Engineer III — Payments & Commerce

HighLevel is an all-in-one marketing platform empowering agencies with the tools required to thrive in a competitive digital landscape.

HighLevel

Employee count: 1001-5000

India only

About Us

HighLevel is an AI powered, all-in-one white-label sales & marketing platform that empowers agencies, entrepreneurs, and businesses to elevate their digital presence and drive growth. We are proud to support a global and growing community of over 2 million businesses, comprised of agencies, consultants, and businesses of all sizes and industries. HighLevel empowers users with all the tools needed to capture, nurture, and close new leads into repeat customers. As of mid 2025, HighLevel processes over 4 billion API hits and handles more than 2.5 billion message events every day. Our platform manages over 470 terabytes of data distributed across five databases, operates with a network of over 250 microservices, and supports over 1 million hostnames.

Our People

With over 1,500 team members across 15+ countries, we operate in a global, remote-first environment. We are building more than software; we are building a global community rooted in creativity, collaboration, and impact. We take pride in cultivating a culture where innovation thrives, ideas are celebrated, and people come first, no matter where they call home.

Our Impact

As of mid 2025, our platform powers over 1.5 billion messages, helps generate over 200 million leads, and facilitates over 20 million conversations for the more than 2 million businesses we serve each month. Behind those numbers are real people growing their companies, connecting with customers, and making their mark - and we get to help make that happen.

What you'll do

  • Own services end‑to‑end: Design and ship multi‑tenant services (checkout, payments orchestration, subscriptions, settlement & reconciliation, invoicing, tax hooks).
  • Integrate payments at depth: Add PSPs and local methods (cards/3DS, UPI, wallets, BNPL) with resilient webhooks and strictly idempotent APIs.
  • Model money correctly: Implement an append‑only double‑entry ledger; use event sourcing/CQRS where it meaningfully improves correctness and scale.
  • Raise the quality bar: Ship production‑grade code with contract, integration, property‑based, and performance tests; instrument everything with OpenTelemetry.
  • Run it like you own it: Operate on GKE (GCP) with CI/CD, canaries, autoscaling, SLIs/SLOs, incident response, and on‑call participation.
  • Collaborate & mentor: Partner closely with PM/Design and mentor SDE I/II engineers to multiply team impact.

What you'll lead

  • Cross‑service designs that connect orchestration → ledger → reconciliation with clear contracts and failure‑mode analysis.
  • Reliability strategy: Define SLIs/SLOs, capacity models, and multi‑region failover plans; drive DR and chaos drills.
  • Data lifecycle: Establish data retention/archival strategies compliant with regulatory requirements.
  • Engineering excellence: Level‑up design reviews, postmortems, and technical strategy across the Payments & Commerce domain.

Minimum Qualifications

  • 3–6+ years building backend services, with strong TypeScript/Node.js and NestJS experience.
  • Practical expertise with MongoDB and/or Firestore (transactions, indexing), plus cache design with Redis and event‑driven architecture (Kafka, GCP Pub/Sub).
  • Strong grasp of distributed systems fundamentals: idempotency, retries/backoff & jitter, message ordering, de‑dup/outbox for “exactly‑once‑ish” processing, race conditions, concurrency control, and eventual consistency.
  • Hands‑on with Kubernetes and at least one cloud (GCP preferred); familiarity with secrets/KMS and PCI basics.
  • Deep testing discipline: unit, integration, contract, and performance testing.
  • Schema design: Design and plan schemas with a focus on scalability and backward compatibility.
  • Strong problem‑solving and debugging skills.

Nice to have

  • Frontend: Vue 3 + Vite.
  • Data & analytics: BigQuery, Dataflow/Beam, Snowflake.
  • Multi‑region design: Experience with latency budgets and consistency trade‑offs.
  • Observability at scale and hands‑on chaos/DR practice.
  • Prior experience at a fintech, payment processor, or e‑commerce company.

What success looks like (first 6–12 months)

  • You own 1–2 services from design → production with P99 latency targets met and zero Sev‑1s caused by your changes.
  • Failure retry rates drop by >30% through improved idempotency and retry/backoff policy.
  • Codebases are measurably cleaner (coverage up, linting strict, typed contracts) and you actively mentor 2+ engineers.
  • You define or sharpen SLIs/SLOs, capacity models, a multi‑region failover plan, and data retention/archival standards for your area.
The company is an Equal Opportunity Employer. As an employer subject to affirmative action regulations, we invite you to voluntarily provide the following demographic information. This information is used solely for compliance with government record keeping, reporting, and other legal requirements. Providing this information is voluntary and refusal to do so will not affect your application status. This data will be kept separate from your application and will not be used in the hiring decision.

About the job

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Posted on

Job type

Full Time

Experience level

Senior

Location requirements

Hiring timezones

India +/- 0 hours

About HighLevel

Learn more about HighLevel and their company culture.

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HighLevel is not just another software; it is the first-ever all-in-one sales and marketing platform designed specifically with agencies in mind. Our customers face the ongoing challenge of managing multiple marketing tools, which is why we have consolidated all essential functionalities into one robust platform. By using HighLevel, agencies can streamline their operations, save time, and reduce costs. We provide them with the capability to automate client communications, capture leads effectively, and nurture prospects until they become loyal customers.

With over 60,000 customers and more than 1.4 million businesses utilizing our services, HighLevel has proven to be a game-changer in the digital marketing space. We empower agencies to white-label our platform and offer beloved tools like CRM, email marketing, SMS automation, and funnel building as their own. These services not only help them enhance client retention but also enable them to grow their business exponentially. Our commitment to providing exceptional customer support ensures that agencies feel supported in their journey to achieving marketing excellence.

Claim this profileHighLevel logoHI

HighLevel

Company size

1001-5000 employees

Founded in

2018

Chief executive officer

Shaun Clark

Employees live in

View company profile

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HighLevel hiring Software Development Engineer III — Payments & Commerce • Remote (Work from Home) | Himalayas