Senior Software Engineer

7 days ago

Tel Aviv, Tel Aviv, Israel Monto Full time ₪120,000 - ₪180,000 per year

Company Description

Monto is a platform designed for revenue teams to simplify the process of dealing with customer A/P portals. It connects with various payment portals such as Ariba and Coupa, learning each customer's billing requirements. This allows for the management of invoices from a single place, with no manual work involved. Monto aims to make B2B payments seamless by providing connectivity and flexibility, bridging the gap between customer portals and supplier systems.

Overview

We are hiring a
Senior Fullstack Developer
to own complex, high-impact work across backend and frontend. You should be highly proficient in
TypeScript
end‑to‑end and able to integrate quickly into ongoing initiatives. Beyond technical skill, we value a
can‑do mindset
, rapid
self‑learning
, and the ability to blend into a project and make progress with minimal guidance.

Responsibilities

  • Design and deliver
    scalable backend services
    in
    TypeScript
    , leveraging
    serverless and event‑driven patterns
    on AWS.
  • Technologies: Lambda, Step Functions, SES, SQS, SNS, EventBridge, RDS/Aurora (SQL), API Gateway, CloudWatch, Pulumi, SST
  • Build and maintain modern
    frontend
    experiences (React preferred), with performance and accessibility in mind.
  • Contribute to
    Infrastructure‑as‑Code (IaC)
    using
    SST
    and
    Pulumi
    ; developer‑friendly, serverless‑first approach (no heavy DevOps expectations).
  • Work with
    microservices
    and
    event‑driven architectures
    , ensuring clean boundaries and robust integrations.
  • Design and implement
    state machines
    to model business workflows and handle complex processes.
  • Apply
    Dependency Injection (DI)
    principles to keep code modular, testable, and maintainable.
  • Own features
    end‑to‑end
    : from technical design proposals, through implementation and testing, to rollout and post‑release follow‑up.
  • Maintain high code quality via
    tests
    ,
    reviews
    , and
    clean architecture
    practices.
  • Collaborate closely with product/design and other engineers; turn ambiguous requirements into clear, deliverable plans.

Requirements

Technical

  • 8+ years
    in fullstack development, with advanced
    TypeScript
    across backend and frontend.
  • Strong experience with
    AWS
    (serverless patterns with Lambda, Step Functions, and related services).
  • Proficiency with
    SQL
    databases (schema design, performance optimization, migrations).
  • Practical experience with
    IaC
    (especially
    SST
    and/or
    Pulumi
    ).
  • Hands‑on experience with
    microservices
    and
    event‑driven architectures
    . Understanding of
    state machine concepts
    and how to apply them in complex workflows.
  • Proficiency with
    Dependency Injection (DI) and clean code design patterns
    and concepts.
  • Solid grasp of
    system design
    , reliability, security basics, and scalability trade‑offs.
  • Experience serving in a
    central role
    within a system operating at scale, demonstrating ability to handle high traffic, complexity, and growth.

Mindset & Collaboration

  • Can‑do attitude
    : proactive, adaptable, and comfortable owning outcomes.
  • Fast
    self‑learner
    who can blend into an existing codebase and deliver quickly.
  • Clear communicator who gives/receives feedback and mentors when needed.

Nice‑to‑Have

  • CI/CD pipeline ownership (e.g., GitHub Actions) and strong automated testing habits.
  • Contributions to open source or a demonstrable portfolio.
  • Prior leadership experience or driving architecture initiatives.

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