Title: Senior Software Engineer — Node, TypeScript, Frontend Ecosystem

Reports to: Chief Technology Officer

About the Company:

Sourcemap is the leading provider of supply chain mapping, traceability, and transparency software. Our clients include category-leading global brands, manufacturers and suppliers across the food & agriculture, fashion, beauty, manufacturing and electronics industries. We seek committed individuals who will join our team to support our award-winning, values-led work and to tackle important supply chain challenges in a dynamic startup environment.

Job Summary:

Sourcemap seeks a Senior Software Engineer with strong architectural instincts and a proven track record of building modular, scalable systems to join our growing engineering team. In this critical role, you will work across Node, TypeScript, Angular, and Next.js, helping shape patterns that support clarity, maintainability, and the long-term vision of our platform.

This role combines deep hands-on engineering with broad technical influence. You will collaborate closely with engineering leadership to introduce well-structured system boundaries, improve overall architecture, and guide the team toward patterns that scale—both synchronously and asynchronously.

You will help shape the next phase of our engineering evolution by introducing patterns that enable resilience and sustained development velocity. Your work will influence how we design systems, structure code, and collaborate across teams, creating a foundation that scales with the business.

Beyond technical contributions, you will participate in developing and mentoring junior team members by sharing best practices and past experiences to support their growth.

Sourcemap is headquartered in New York City with additional offices in Chicago and Paris. NYC-based applicants are preferred, but there may be an option for this position to be remote or hybrid in EST or CST time zones. No MST and PST time zones will be considered at this time.

Primary Responsibilities:

Design and implement modular backend services in Node and TypeScript with clear separation between domain, application, and infrastructure layers.
Evolve our architecture toward event-driven patterns, using message buses or streaming platforms (e.g., Kafka, SNS/SQS, NATS, RabbitMQ) where asynchronous workflows add resilience and clarity.
Model domain events and asynchronous flows, establishing conventions for publishing, consuming, and versioning events across services.
Lead technical design discussions, providing guidance on boundaries, contracts, and long-term system behavior.
Improve testing strategy, emphasizing unit tests that isolate domain logic, integration tests with clear boundaries, and contract tests for APIs and events.
Contribute to modernization efforts, including refactoring legacy modules, improving observability, and reducing complexity where it adds value.
Mentor engineers through pairing and thoughtful PR reviews, modeling clear, intentional engineering practices.
Evaluate tools and frameworks with a focus on long-term stewardship, maintainability, and operational simplicity.

Experience Requirements and Skills:

5+ years of professional experience in software engineering, with expertise in Node.js and TypeScript, including building and maintaining large-scale systems.
Strong architectural thinking, with an ability to design systems around clear boundaries, domain models, and well-defined contracts.
Demonstrated experience with event-driven architectures, including message buses, pub/sub systems, or streaming platforms.
Deep understanding of asynchronous workflows, domain events, idempotency, and patterns for resilience and eventual consistency.
Proficiency working across frontend frameworks (Angular, React, Next.js) and collaborating on shared patterns and interfaces.
Hands-on experience with multiple persistence approaches (MongoDB, Redis, etc.) and the judgment to choose the right tool for the domain.
Strong testing instincts, including designing testable modules and building reliable test suites that don’t depend on fragile infrastructure.
A collaborative, mentoring mindset, with the ability to elevate others through clarity, example, and calm technical leadership.
Background in SaaS or product-focused engineering.
Experience working in a dynamic, fast-growing organization.

Sourcemap offers a competitive compensation package based on job-related factors such as business needs, experience, level of responsibility, and qualifications. For this role, the base salary range is $130k-$160k. Sourcemap offers a benefit package, including but not limited to paid time off, paid holidays (including an extended end-of-year break and Summer Fridays), 100% employer-paid medical, dental, and vision coverage, and 401k.

Sourcemap provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.

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Senior Software Engineer — Node, TypeScript, Frontend Ecosystem