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Solidity Programming

Solidity Programming equips software developers and blockchain engineers with the skills to build secure, gas-efficient smart contracts on Ethereum and EVM-compatible blockchains. With demand surging—US-based Solidity developers earn an average of $127,500 and job postings up 65% through 2030—this course bridges the gap between traditional coding and decentralized application (dApp) development for professionals entering web3.

Prepare for the Certified Solidity Developer® (CSD) exam with Koenig’s Guaranteed-to-Run training, featuring official curriculum and 30-day lab access. Gain hands-on experience deploying real-world contracts and emerge ready to contribute to high-impact blockchain projects in DeFi, NFTs, or enterprise solutions.

32 Hours (4 Days)
Live Online / Classroom
0+ professionals trained

Training Formats & Pricing

1-on-1 USD 1,800
Dedicated instructor, your schedule Fastest
Public Batch USD 1,400
Group class, fixed schedule Most Popular
Self-Paced On Request
Recorded sessions, learn anytime Best Value

100% Happiness Guarantee · Free Rescheduling · Secure Payment

Course Overview

The Solidity Programming course by Open Source is designed for software developers, blockchain engineers, and IT professionals seeking to master smart contract development on the Ethereum Virtual Machine (EVM). This training prepares learners for industry-recognized credentials such as the Cyfrin Updraft Solidity Smart Contract Developer Certification (SSCD+) and equips them for roles including Solidity Smart Contract Developer, DeFi Protocol Engineer, and EVM Security Auditor. With over 18,000 open positions globally, Solidity remains the most in-demand skill in Web3, adopted by leading protocols like Uniswap, Aave, and MakerDAO. As enterprises increasingly deploy decentralized applications, expertise in this open-source language is critical for building secure, scalable blockchain solutions.

Students engage with core tools including Solidity, Hardhat, Foundry, OpenZeppelin Contracts, Ethers.js, and The Graph, using real-world development workflows. The hands-on lab environment simulates professional blockchain engineering tasks, where students build, test, and deploy full-stack decentralized applications (DApps) using modern DevOps practices. Learners configure local Ethereum nodes, write unit and fuzz tests, implement ERC-20 and ERC-721 tokens, and integrate upgradeable proxy patterns using OpenZeppelin’s secure libraries. A capstone project involves developing a gas-optimized lending protocol with automated testing and security validation, mirroring actual DeFi development cycles used by top-tier teams.

This course directly supports certification as a Solidity developer, a credential recognized by firms such as Consensys Diligence, OpenZeppelin, and Chainlink. Certified professionals command median salaries of $95,000, with senior roles reaching $350,000+ in the U.S. market. Koenig Solutions enhances career readiness through 1-on-1 training, Guaranteed-to-Run schedules, and official courseware aligned with industry best practices. Graduates emerge prepared to contribute to high-impact blockchain projects, audit smart contracts, or lead protocol development—positioning them at the forefront of the decentralized economy’s evolution.

What You'll Learn

Design secure smart contracts with Solidity syntax and structure, ensuring reliable performance on Ethereum blockchain networks
Implement Ethereum Virtual Machine-compatible contracts using Solidity to facilitate seamless deployment and execution
Deploy Solidity-based smart contracts on EVM-compatible chains efficiently, reducing deployment time and costs
Secure Open Source Solidity contracts against common vulnerabilities like reentrancy and overflow, safeguarding digital assets
Optimize Solidity code for gas efficiency and performance, lowering transaction costs and improving user experience
Manage Open Source Solidity contract upgrades and interoperability to ensure smooth integration and future-proofing of blockchain applications

Prerequisites

Recommended knowledge before taking this course
  • Basic understanding of blockchain concepts like decentralized applications (dApps) and smart contracts is essential before learning Solidity Programming by Open Source.
  • Familiarity with Ethereum's ecosystem, including accounts, transactions, and gas fees, helps you grasp Solidity's role in smart contract development.
  • Proficiency in JavaScript or similar languages is recommended for writing and testing Solidity code effectively.
  • Experience with Node.js and npm for managing development dependencies will streamline your Solidity Programming journey.
  • Knowledge of version control systems, especially Git, is crucial for managing Solidity source code efficiently.
  • Understanding JSON-RPC API interactions for communicating with Ethereum nodes enhances your ability to develop and deploy Solidity smart contracts.
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Certification Exam

Everything you need to know about the Solidity Programming certification exam

Exam Details
Exam Name
Format
Multiple choice, labs & case studies
Questions
Duration
Passing Score
Validity
Retake Policy
Unlimited retakes are permitted for enrolled students at no additional cost; no refunds are applicable as this is a proprietary course assessment.
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Solidity Programming

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What's Included in Your Training

Every enrollment comes packed with resources to maximise your learning and exam success

Career Outcomes

85%

of Solidity Programming certified professionals report career advancement within 6 months

Salary Impact

+28%

Average salary increase reported after obtaining the Solidity Programming certification

Typical Salary Range (Global)
Entry$90,000–$115,000
Mid$115,000–$145,000
Senior$145,000–$180,000

*Source: Glassdoor / LinkedIn 2025

Job Roles

6
  • Solidity Developer
  • Smart Contract Engineer
  • Blockchain Developer
  • Web3 Protocol Engineer
  • Smart Contract Auditor
  • DeFi Developer

Companies Hiring

5,000+
ConsenSys Chainlink Labs Polygon Coinbase Aave Uniswap OpenZeppelin Binance Kraken Accenture

and 5,000+ organizations worldwide seeking Solidity Programming certified professionals

Real Transformations

Course Student Reviews

Real results from IT professionals who trained with Koenig — rated 4.9/5 from 18,400+ verified reviews.

18,400+
Verified Reviews
4.9 / 5
Average Rating
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    “SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”

    Aisha N.

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    SC-300 Certified ✓ Verified
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    “Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”

    Carlos R.

    Carlos R.

    Engineering Manager

    AZ-400 Team Training ✓ Verified
  • ★★★★★

    “Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”

    Rahul M.

    Rahul M.

    Azure Administrator

    AZ-104 Certified ✓ Verified
  • ★★★★★

    “I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”

    Sarah K.

    Sarah K.

    CISO, Financial Services

    Enterprise Client ✓ Verified
  • ★★★★★

    “The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”

    Ahmed R.

    Ahmed R.

    Business Intelligence Lead

    PL-300 Certified ✓ Verified
  • ★★★★★

    “From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”

    Priya S.

    Priya S.

    Cloud Solutions Architect

    AZ-305 Expert ✓ Verified
  • ★★★★★

    “As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”

    James T.

    James T.

    Head of L&D, UK Enterprise

    100+ Learners Trained ✓ Verified
  • ★★★★★

    “SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”

    Aisha N.

    Aisha N.

    Security Analyst

    SC-300 Certified ✓ Verified
  • ★★★★★

    “AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”

    David L.

    David L.

    AI Engineer

    AI-102 Certified ✓ Verified
  • ★★★★★

    “DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”

    Mei W.

    Mei W.

    Data Platform Engineer

    DP-600 Certified ✓ Verified
  • ★★★★★

    “Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”

    Carlos R.

    Carlos R.

    Engineering Manager

    AZ-400 Team Training ✓ Verified
  • ★★★★★

    “Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”

    Rahul M.

    Rahul M.

    Azure Administrator

    AZ-104 Certified ✓ Verified
  • ★★★★★

    “I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”

    Sarah K.

    Sarah K.

    CISO, Financial Services

    Enterprise Client ✓ Verified
  • ★★★★★

    “The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”

    Ahmed R.

    Ahmed R.

    Business Intelligence Lead

    PL-300 Certified ✓ Verified
  • ★★★★★

    “Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”

    Rahul M.

    Rahul M.

    Azure Administrator

    AZ-104 Certified ✓ Verified
  • ★★★★★

    “I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”

    Sarah K.

    Sarah K.

    CISO, Financial Services

    Enterprise Client ✓ Verified
  • ★★★★★

    “The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”

    Ahmed R.

    Ahmed R.

    Business Intelligence Lead

    PL-300 Certified ✓ Verified
  • ★★★★★

    “From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”

    Priya S.

    Priya S.

    Cloud Solutions Architect

    AZ-305 Expert ✓ Verified
  • ★★★★★

    “As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”

    James T.

    James T.

    Head of L&D, UK Enterprise

    100+ Learners Trained ✓ Verified
  • ★★★★★

    “SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”

    Aisha N.

    Aisha N.

    Security Analyst

    SC-300 Certified ✓ Verified
  • ★★★★★

    “From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”

    Priya S.

    Priya S.

    Cloud Solutions Architect

    AZ-305 Expert ✓ Verified
  • ★★★★★

    “As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”

    James T.

    James T.

    Head of L&D, UK Enterprise

    100+ Learners Trained ✓ Verified
  • ★★★★★

    “SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”

    Aisha N.

    Aisha N.

    Security Analyst

    SC-300 Certified ✓ Verified
  • ★★★★★

    “AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”

    David L.

    David L.

    AI Engineer

    AI-102 Certified ✓ Verified
  • ★★★★★

    “DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”

    Mei W.

    Mei W.

    Data Platform Engineer

    DP-600 Certified ✓ Verified
  • ★★★★★

    “Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”

    Carlos R.

    Carlos R.

    Engineering Manager

    AZ-400 Team Training ✓ Verified
  • ★★★★★

    “AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”

    David L.

    David L.

    AI Engineer

    AI-102 Certified ✓ Verified
  • ★★★★★

    “DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”

    Mei W.

    Mei W.

    Data Platform Engineer

    DP-600 Certified ✓ Verified
  • ★★★★★

    “Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”

    Carlos R.

    Carlos R.

    Engineering Manager

    AZ-400 Team Training ✓ Verified

Frequently Asked Questions

Everything you need to know about the Solidity Programming training course

Is the Solidity Programming certification exam included in the course fee, and what is the cost if separate?
The Open Source Solidity Programming certification exam is not included in the course fee; it costs $199.99 via Cyfrin or Blockchain Council. Koenig offers optional exam vouchers as a convenient add-on. Exam retakes cost $99.99, with no mandatory waiting period between attempts.
What training formats are available for Solidity Programming at Koenig, and is Guaranteed-to-Run scheduling offered?
Koenig offers Solidity Programming in live online, 1-on-1, classroom, and self-paced Flexi formats, all Guaranteed-to-Run regardless of enrollment. Even if you are the only participant, training proceeds on the scheduled date. Each format includes official courseware, hands-on labs, and expert instruction.
How long is lab access provided for Solidity Programming, and what environment is used?
Lab access for Solidity Programming is provided for 30 days via Koenig’s LET Platform using cloud-based sandboxes with tools like Hardhat and Remix IDE. These environments simulate real Ethereum development workflows, enabling safe practice of writing, compiling, testing, and deploying smart contracts without local setup.
What is Koenig's rescheduling and cancellation policy for the Solidity Programming course?
Koenig allows one free rescheduling of the Solidity Programming course if requested over 10 days before the start date. Rescheduling or cancellations within 10 days incur a 50% fee of the total purchase price. Written notice is required, and the same session cannot be rescheduled more than once.
What is the format, number of questions, time limit, and passing score for the Solidity Programming certification exam?
The Solidity Programming certification exam features 80 multiple-choice and scenario-based questions, lasts 120 minutes, and requires a passing score of 62 out of 80 (77.5%). The exam tests core knowledge of Solidity syntax, smart contract security, inheritance, and deployment using industry-standard tools and practices.
How long is the Solidity Programming certification valid, and what is the renewal process and cost?
The Solidity Programming certification from Cyfrin (SSCD+) does not expire, offering lifetime validity. Blockchain Council’s Certified Solidity Developer also provides lifetime certification with free content updates. No renewal fees or periodic assessments are required to maintain active status.
What post-training support does Koenig provide after completing the Solidity Programming course?
Koenig provides 6 months of post-training support, including class recordings, 30-day extended lab access, and email mentorship for technical queries. Students also benefit from the Happiness Guarantee, allowing a free course retake if unsatisfied, along with career guidance and community access.
Are there any prerequisites or prior experience needed before taking the Solidity Programming course?
Prior experience in programming with languages like JavaScript or Python is recommended before taking the Solidity Programming course. Familiarity with blockchain fundamentals and Ethereum concepts enhances understanding. No formal prerequisite exists, but learners should understand basic data types, functions, and control structures to succeed.
What is the average salary increase or career impact after obtaining the Solidity Programming certification?
Professionals with Solidity Programming certification report an average salary of $120,000–$180,000 annually, with senior developers earning up to $200,000. Certification leads to roles such as Smart Contract Developer, Blockchain Engineer, or dApp Architect, significantly improving job placement and project opportunities.
How does Koenig's Solidity Programming training compare to self-study options?
Koenig’s Solidity Programming training provides structured learning with expert instructors, hands-on labs, and guaranteed exam readiness, unlike unstructured self-study. With 32 hours of live training, official courseware, and post-course mentorship, Koenig delivers faster skill acquisition and higher certification pass rates compared to independent learning paths.
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