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MAESTRO HUMAN RESOURCE PTE. LTD.

Singapore / Global

Software Engineer * Go/NodeJS/Python/Rust. (AMK)

Job Description

We are hiring a hands-on

Software Engineer

to build high-performance, security-critical software in

Go/NodeJS/Python/Rust . This role is strongly development-focused: you will design, implement, test, and harden core components that operate close to the network stack and security boundary, with an emphasis on correctness, performance, and production readiness.

You’ll work with engineers across security, platform, and infrastructure, translating security and protocol requirements into robust code, and ensuring the software meets enterprise-grade standards for reliability, observability, and maintainability.

Key Responsibilities

Build and maintain

production-grade services/libraries

that operate in security-sensitive, network-facing contexts.

Implement and integrate

cryptographic mechanisms

using established libraries, following secure engineering practices.

Develop software components interacting with

transport/security protocols

(e.g., TLS concepts, session lifecycle, certificates, key handling) and networking primitives (e.g., TCP/UDP, sockets, streaming I/O).

Optimize performance for throughput/latency, including profiling, memory efficiency, concurrency control, and backpressure handling.

Design for operability: metrics, structured logging, tracing, alert-friendly error handling, and safe failure modes.

Write comprehensive tests: unit, integration, fuzz/property tests, and negative security tests.

Contribute to secure SDLC: threat modelling participation, code reviews, vulnerability remediation, dependency hygiene, and secure defaults.

Polyglot Problem Solving: Move fluidly across the stack. You will be expected to interface with, debug, or contribute to services written in languages (e.g., Go, C++, or Python) as needed.

Required Qualifications

Strong experience developing in

Go/NodeJS/Python/Rust

(production systems, not just hobby projects).

Solid fundamentals in

network programming

(socket I/O, connection lifecycle, timeouts, retries, buffering, framing).

Practical understanding of

applied security :

secure coding practices

key material handling basics

authentication / authorization concepts

common attack patterns (downgrade, replay, MITM, injection, resource exhaustion)

Comfortable working in Linux environments (debugging, performance tooling, networking diagnostics).

Ability to deliver clean, maintainable code with strong engineering discipline (tests, CI/CD familiarity, documentation).

Preferred / Bonus Experience

Experience integrating or contributing to

cryptography / TLS libraries

(Rust ecosystem is a plus).

Interest/Familiarity with

post-quantum cryptography (PQC)

concepts and migration approaches (e.g., hybrid strategies, KEMs/signatures at a conceptual level).

Experience with

high-performance networking

patterns (async runtimes, event loops, zero-copy considerations).

Experience with

secure networking products

(secure proxies, gateways, VPN/tunnelling, L4/L7 security controls, DLP, inspection pipelines) — without requiring domain disclosure.

Exposure to

Kubernetes / containerized deployment

and production operations (health checks, rollout safety, SLOs).

Knowledge of secure development practices: SAST/DAST, dependency scanning, SBOM, reproducible builds.

Interest/Experience in utilising AI harnesses and coding tools to accelerate your development/delivery.

5 day week @ AMK

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