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Senior /Software Engineer (Fullstack)

YOJEE PTE. LTD.

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Central, Singapore
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Your applicationOpen nowSenior /Software Engineer (Fullstack)YOJEE PTE. LTD. · Central, Singapore
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This job: posted yesterday

The posting

Senior /Software Engineer (Fullstack)

Be part of something.

Every time a shipment moves,

Yojee

makes it visible, intelligent, and efficient.

We’re not building dashboards for clicks. We’re building technology that actually moves the world — optimising how freight flows across air, ocean and road.

Logistics is a global industry with real operational complexity. With MOSAIC and TCMS, we are building products that handle real-time events, high data volume, and mission-critical workflows.

If you're a senior fullstack engineer who wants to own product features end-to-end

— from problem framing, through Elixir services and React interfaces, to production health — this role is for you.

The Opportunity

We're hiring an experienced

Software Engineer (Fullstack)

to take ownership of significant product surfaces — backend through frontend — inside our product squads.

You'll work closely with product, design, and other engineers as a

product engineer

: someone who owns the why as much as the what. You'll deliver vertical slices across Elixir / Phoenix services and React / TypeScript interfaces, set the quality bar across both halves of the stack, and shape the patterns the wider team relies on — not just ship features.

This isn't brochureware or content management. You'll be working on enterprise-grade, data-intensive applications where performance and state management matter to global logistics networks.

Agentic AI is a real part of how we work — across our SDLC and inside the product. We use coding agents, agentic prompting, and MCP-based tooling in day-to-day delivery, and we're building native agentic AI into the platform itself, not a bolted-on chatbot. You'll grow your craft inside that environment, not separate from it.

What You’ll Do

  • Own Features End-to-End, Across the Stack: Take features from problem definition through Elixir / Phoenix services, React / TypeScript UI, rollout, and post-launch health — work is not done when the PR merges. Make sound architectural decisions across both halves of the stack, and push back constructively when a brief is unclear or solving the wrong problem.
  • Set the Quality Bar: Write clean, well-tested, maintainable code that others reference as the standard — on both sides of the stack. Give substantive code reviews — including on AI-generated code — that catch real issues and measurably improve the work.
  • Shape Shared Foundations: Lead the design and evolution of patterns, abstractions, and shared components — backend modules, frontend libraries, integration points — that let other engineers contribute effectively across the stack. Improve performance, observability, and developer experience as deliberate outcomes, not side effects.
  • Drive Squad-Level Technical Decisions: Contribute resolutions in architecture and engineering standards conversations — backed with clear reasoning, updated with new information. Influence how other engineers approach problems through code, reviews, and technical discussion.
  • Multiply the Team: Onboard and informally mentor more junior engineers as a natural part of how you work. Translate technical context clearly for product, design, and non-engineers; keep async communication (PRs, design docs, Slack) complete enough that the team can act without follow-up.
  • Own the User Problem: Operate as a product engineer — understand the user problem and business rationale behind features, use data to validate that what shipped actually works, and propose the right scope rather than executing the requested scope blindly.
  • Use AI Deliberately: Accelerate good work with coding agents, agentic prompting, and MCP-based tooling — applied to backend and frontend alike. Recognise and manage the risk in your own work and in what you review.

What You’ll Bring

  • 6+ Years of Experience: Building, shipping, and owning modern production web applications across both backend and frontend — including responsibility for production health, not just initial delivery.
  • Backend Depth: Strong functional backgrounds experience (commercial or substantial open-source), considered if Elixir adoption is realistic for you. Solid understanding of distributed systems or event-driven architectures, relational databases (PostgreSQL ideal), and operational concerns (CI/CD, observability, performance).
  • Frontend Depth: Strong React, TypeScript, JavaScript, and solid CSS fundamentals. Comfortable with state management, performance tuning, accessibility, and testing strategy in data-dense interfaces.
  • Senior Data-Intensive Knowledge: Track record on complex enterprise web applications (ERPs, trading platforms, logistics or operational systems) where state, latency, and edge cases matter — not content-heavy or CMS-driven projects.
  • The Scaffolder Mindset, At Scale: Hands-on experience designing and evolving patterns, libraries, and CI/CD pipelines that make other engineers faster and safer. You've set a quality bar others adopt — on either side of the stack, ideally both.
  • Product and Commercial Context: Make engineering decisions with the user problem, business rationale, and maintainability in mind — not just the ticket. Able to articulate technical debt and trade-offs in terms non-engineers can act on.
  • Ownership and Judgement: Operate effectively when problems are ambiguous: break them down into executable work for yourself and others, raise risks early, and follow through to verify what shipped behaves as expected.
  • AI-Fluent Delivery: Practical experience using coding agents, agentic prompting, and MCP-style tooling across backend and frontend. You can articulate where AI accelerates you, where it misleads you, and how you validate its output.
  • Communication and Collaboration: Clear, calibrated, and direct. Comfortable giving and receiving substantive feedback; able to disagree well and update your view when the evidence does.

Bonus Points For

  • Experience leading a meaningful slice of a backend service, frontend platform, or design-system effort
  • Experience with intricate workflows and high information-volume interfaces (operations consoles, control rooms, trading)
  • Open-source contributions, particularly to BEAM-ecosystem projects or frontend tooling others depend on
  • Experience with real-time data, event-driven UIs, or large-scale data visualisation
  • Experience in greenfield or scaling-stage environments where you set patterns, not just follow them
  • Exposure to logistics, supply chain tech, or integration-heavy domains (ERPs, TMSs, telematics)

Why You'll Love Working Here

  • A Great Place to Work (Literally): Enjoy in-person collaboration 4 days per week in our Tanjong Pagar office — close to great food, coffee, and transport.
  • Real Engineering, Real Impact: You'll work on meaningful product challenges with direct line of sight to operational users — concurrency, real-time events, data orchestration, and clear UI all matter here.
  • Shape What's Being Built: Our architecture is established but not rigid. There's room to grow into bigger problems as you progress, and to influence patterns as you do.
  • Small Team, Big Autonomy: No bureaucracy. Direct line to product, design, and leadership. You get context, ownership, and visibility from day one.
  • Growth With Meaning: This is a place for builders who want to leave a mark on something real. We use a published levels framework, so progression on craft, scope, and leadership is a real conversation — not a guessing game.

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