Lead Software Engineer
Smart Apply
Save
Salary
≈ $139k – $269k per year (Estimated)
Location
Remote (United States)
Seniority
Staff
Employment
Full-Time
Confirmed on the employer's own hiring board on Oct 16, 2026. First seen by Alion on Feb 11, 2025.
Overview
Company
Impact
Profile match
KEY TO WEB3™. KEY TO WEB3™ is an elite global recruitment and consulting agency for specialized talent solutions.
We are seeking an experienced Senior Developer with a strong Web3 background to build scalable, secure, and efficient decentralized applications. This is a hands-on coding role, where you will contribute to the development of core systems and products while ensuring high performance and security.
Key Requirements:
- Proven experience as a Senior Developer or Lead Engineer in a Web3 project.
- Strong background in smart contract development and decentralized applications.
- Expertise in:
- Node.js, TypeScript, PostgreSQL, React, Solidity
- Scalable infrastructure design (AWS or similar cloud platforms)
- EVM development (Solidity, smart contract security, gas optimizations)
- Understanding of scalability, security, and efficiency in decentralized systems.
- Experience with smart accounts, account abstraction, and intent-based protocols is a plus.
- Solana experience is a plus.
Key Responsibilities:
- Develop and maintain core infrastructure, including SDKs, APIs, and smart contracts.
- Design and implement scalable, secure, and high-performance technical architectures.
- Collaborate with product and engineering teams to align technical and business goals.
- Innovate in Web3 development, exploring new technologies and approaches.
- Write clean, maintainable, and optimized code with a focus on security.
Free account
Stop reading job ads. Get the ones that fit.
One free account turns this page into a shortlist built around your stack, your level and your pay.
Match on every job. Stack, seniority, pay and location, scored against your profile.
1,710,093 open roles. Read straight off company career pages, refreshed every day.
Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.
3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.
Free forever. No card. Under a minute.
Your match
How well do you fit this role?
Two answers are enough for a real match. No account needed.
Check my fit
Answers stay in this browser until you create an account.
Recommended for you based on this role
Backend
Similar stack
Same company
In your city
≈ $64k – $107k per year (Estimated) • Remote (Poland, CET hours) • Full-Time • 8+ years exp • Poland
Go
SQL
PowerShell
C++
C++
STL
Databases
PostgreSQL
AI/ML
Copilot
DevOps
Rest API
GCP
VMWare
Prometheus
Azure
CI/CD
Windows Server
AWS
GitHub
Apache HTTP Server
Management
Agile
Apply
Senior Staff Engineer - Mid Market
1 day ago
$221k – $299k per year • In office • Full-Time • 10+ years exp • Bachelor's Degree • Mountain View
Python
JavaScript
Java
Kotlin
TypeScript
Node JS
Swift
AI/ML
LangChain
Prompt Engineering
Amazon SageMaker
Frontend
Angular
Mobile
SwiftUI
DevOps
GCP
AWS
Apply
$194k – $292k per year • Equity • In office • 8+ years exp • Bachelor's Degree • San Diego
Python
C++
C++
CMake
PyTorch C++
AI/ML
Claude Code
LoRA
Quantization
Multimodal AI
AI Agents
VLM
ONNX
PEFT
TFLite
Transformers
TensorFlow
PyTorch
LLM
Mixture of Experts
Hugging Face
OpenAI Codex
Post-training
LiteRT
ExecuTorch
ONNX Runtime
MLIR
Speculative Decoding
KV Cache
Machine Learning
DevOps
RTOS
Git
Linux
Management
Agile
QA
Rest-Assured
Apply
Senior / Staff Product Engineer
1 hour ago
$200k – $270k per year • Hybrid • Full-Time • 3+ years exp • San Francisco
Python
JavaScript
TypeScript
Node JS
Databases
PostgreSQL
Supabase
AI/ML
LLM
Frontend
React.js
Apply
≈ $28k – $75k per year (Estimated) • Remote (India) • Bachelor's Degree • Bengaluru
Apply
This is one of many
1,710,093 more open roles from verified company boards, updated every day.