Blockdaemon is looking for a talented Security Engineer who is excited to help scale one of the largest decentralized blockchain infrastructure platforms in the world. You'll work closely with the technology organization to evaluate the design and implementation of our product offerings, help create innovative security solutions for our products, and educate our teams on secure application development and emerging threats. In addition, you will solve ambitious technical problems on the forefront of application security with a transparent and open minded team. 

 

Position Overview:

Operationalizing SAST and DAST integrations into our build and deploy pipelines
Contributing security-focused feedback to engineers during all phases of the development lifecycle
Performing technical security assessments on our web applications, native clients, internal services, and partner applications
Seeking out opportunities to automate processes when appropriate
Communicating risks to engineering staff through training and technical demonstration of vulnerabilities and secure design patterns
Maintaining and creating secure development practices and programs for our engineering teams and external developers
Acting as an ambassador for security within Blockdaemon
Identifying emerging classes of vulnerabilities and developing solutions for them before they’re a problem
 

Required Experience:

Bachelor’s degree in Computer Science, Engineering or related field, or equivalent training, fellowship, or work experience
5+ years experience in security testing of web applications and native apps
Deep understanding of web application architecture and design principles
Strong written and verbal communication skills and ability to communicate with empathy when delivering constructive feedback regarding security matters to engineers and product designers
Experience with manual secure code review in languages such as: Golang, JavaScript, Java, Python, Ruby, PHP
Familiarity with common web application testing tools for DAST, SAST, and IAST analysis such as Burp Suite, Checkmarx, Veracode
Knowledge of authentication mechanisms like SAML, OAuth, etc.
Knowledge of common security flaws and resolution as published by OWASP, SANS, etc.
Knowledge of how to test code and applications across various platforms (iOS, Mac, Linux, Windows, Android, etc) for security and quality
Ability to see patterns, commonalities and investigate complex issues
Organizational skills to bring together and record detailed and accurate information about bugs and systemic issues
Experience with GCP is a plus
Current or former security training or certifications such as SANS GWAPT or similar is a plus
Though this is not primarily a development role, some background in software engineering in a collaborative and dynamic environment is a plus

Security Engineer - Product Security

We encourage you to apply even if you don't match all of the qualifications listed.


Responsibilities

Design and develop scalable and secure infrastructure for our platforms: monitoring, metrics, logging, etc.
Build and automate CI/CD pipelines, testing, code validation, code approval processes, release management, etc. 
Build out monitoring and alerting architecture
Provide on call rotation support  
Run and maintain blockchain nodes (eth, bsc, polygon), and keep them in sync
Requirements

At least 4+ years of experience with CI/CD, automation and building of highly scalable and secure applications (the more experience the better)
Knowledge of AWS, Terraform, Golang, Linux, Docker and ECS  
Expert in Systems Administration, Site Reliability and DevOps 

BENEFITS

bloXroute Labs offers competitive salaries, stock options, tokens, healthcare benefits, 401k, flexible PTO, remote work option for its employees. The benefits may vary for each country. We built a highly skilled team of business and engineering minds who are working on challenging complex projects.

Senior Site Reliability Engineer

Responsibilities

Quality Assurance Engineering duties that pertain to testing websocket feeds, bloXroute relays, gateways, transactions, block propagation, etc.
Test new products, features and bug fixes
Write manual and automated tests necessary to ensure the operation and correctness of new product features as well as overall system behavior

Requirements

Experience with manual QA testing of backend services, functional and performance testing
Experience with Linux, Python
Experience with Postman
Automation QA is a huge bonus
BS degree in Computer Science, Software Engineering or alternative related field (or commensurate work experience)


BENEFITS

bloXroute Labs offers competitive salaries, stock options, tokens, healthcare benefits, 401k, flexible PTO, remote work option for its employees. The benefits may vary for each country. We built a highly skilled team of business and engineering minds who are working on challenging complex projects.

QA Engineer

THE MISSION

As a world-class Engineer, you will join a small, fully remote team and work on an exciting multiplayer title. Working on Game Services at BTS you would interact closely with the broader engineering team to architect, implement, and maintain game content delivery and online services at Big Time. This is a remote position that can be done from anywhere in the world.

RESPONSIBILITIES

Design, deploy, and maintain content delivery systems for the game, game content and development environment for Big Time.
Iterate to improve upon and maintain existing backend infrastructure.
Diagnose and resolve complicated issues on a live game and game deployment environment.

REQUIREMENTS

Extensive professional experience working as a programmer on many-tier server architecture products that support a large volume of concurrent users and transactions
Experience profiling, analyzing and optimizing large systems for performance
Strong programming background and C++ knowledge.
Strong problem solving abilities.
Excellent written and verbal communication skills

DESIRABLE

Familiarity with with Linux/Unix environments
Experience with game Launchers/Patchers
Experience working on small teams
Shipped at least one high-quality AAA game for PC or Console.

WHAT WE OFFER

Fully remote work, with a yearly company offsite.
Experience working with gaming veterans of game titles with a gross aggregate revenue well over $10B USD.
Flexible PTO.
Experience creating a new IP with franchise potential.

Sr Game Services Engineer

We're a startup bringing 5G cellular services where people want it.

Position: Network Engineer/Systems Administrator
Location: Hayward CA
Position Type: Full time role

We’re hiring a Linux Systems Administrator/Network Engineer for our startup company. The role will be to develop and maintain computer/network systems from early development stages to production. Some of the main tasks are designing and building software, managing hardware configurations, automating infrastructure deployments, and overseeing production through deployment to customers. We are a startup where we will be doing everything at a small scale first, preparing things to grow to large scale and work in continuous improvement while learning the best processes. This role will be owning the process and tools required to deliver the objectives with the expectation to lead and grow the team overtime.

The Job

Engineer one of our critical product components built on hardware using BSD or Linux systems
Responsible for the process of receiving bare generic HW and turning it into a ready for service product with great degree of automation, quality assurance and security
Build systems and process for hyper growth while supporting initial company rollout
Build partnerships and teams to support needed growth
Support and operate global production environments 24x7x365
Educate and mentor team members and operations staff
Continual Process Improvement and design for hyper growth
About you

Team player by nature

Passionate about engineering and automation
Actively contributed to solutions requiring horizontal and vertical scaling for performance and high availability
Advanced BSD or Linux expertise
Significant experience with automation tools such as terraform, ansible, etc
Experienced with setting up secure environments, security minded!
Top-tier analytics and problem solving
Project Management, organization, and time management
Customer focused, and dedicated to the best possible user experience
Ability to communicate effectively with both technical and business resources

Linux Sys Admin/Network Engineer 

Shardeum is looking for a talented software engineer to contribute code, identify and resolve bugs, test and optimize features and harden code.

About The Role

Ideally we are looking for people with experience writing software in languages like Node.js, TypeScript, C, C++, Go and Rust for P2P or distributed applications. The work is extremely challenging and the people you will be working with are amazing. You would be working remotely with a small but highly experienced team who have worked with NASA, Yahoo, Raytheon, Zynga, Microsoft, Ethereum Foundation, PayPal, etc.

Shardeum has $18.2M in seed funding to pay you a comfortable salary. The position is remote and you may work from anywhere in the world during hours convenient for you. There is massive upside potential with a vesting schedule.

Experience:

Node.js
TypeScript
SQL

Education:

Data structures and algorithms
Operating Systems fundamentals
Networking fundamentals
Object-Oriented Programming
Design Patterns
Cryptography

Familiar With:

Linux
Git
AWS
Dockers
VSCode
Blockchain
Distributed Systems
We are building the infrastructure for Web 3.0. It's going to be a rollercoaster ride but promises to be fun!

About the Founders:

Nischal Shetty: Founder of WazirX, India’s largest crypto exchange with over 10M users and $45B+ trading volume. Prior to WazirX, he built and scaled a social media product called Crowdfire to over 20M users. Previously featured in the Forbes India 30 under 30 list, he is a blockchain evangelist and one of the most notable proponents of crypto in India.

Omar Syed: Omar is a blockchain architect with over 30 years of experience in helping organizations such as NASA, Yahoo, Zynga build fault-tolerant, distributed systems. Omar holds a B.S. and M.S. from Case Western Reserve University with specialization in Artificial Intelligence.

Software Engineer

Our client a groundbreaking project in the DeFi space is looking for a DevOps Engineer to join the team to help analyse our security at different levels of the stack and protocol.

Responsibilities:

Architect our server-side deployment automation systems and package distribution for node operators Research and develop our approach to security solutions within the server side-software component of the protocol
Develop, deploy, and maintain nodes on our validator network, web application, and supporting infrastructure such as monitoring, Cl, and analytics tools.
Analyse and develop strategies to improve the server-side security of our validator node software and the validator network in general
Develop mitigating strategies and monitoring tools to combat against network attacks
Design and develop secure mechanisms for key management and signing

Requirements:

3+ Years in DevOps
Competent operator of Linux systems
Fluent English

Benefits:

Remote working

DevOps Engineer

We are looking for a Senior Blockchain Engineer, who will also focus on Backend Development, for a fast-growing blockchain explorer on the Avalanche network.
You will be architecting new software designs, participating in the Agile product cycles, implementing microservices, and improving existing core services. You will work closely with our CTO and our Frontend team to design, develop and scale our core architecture engines used to automate thousands of tasks. You will join a fast growing team where you'll be able to have tremendous impact and contribute with key decisions, both technical and product related.

Responsibilities:

Maintain and improve a fork to the avalanchego nodes
Develop new extensions of the avalanchego node
Keep track of node updates and rework edits if necessary

Requirements: 

Knowledge or strong willingness to quickly learn Avalanche platform tech details
3+ years of experience in Golang, C++, Java, or Rust
2+ years of proven experience in Blockchain, deep Blockchain knowledge
High experience in queue systems (Plus: experience in Kafka, Amazon SQS)
High experience in cloud storage (Plus: experience in Amazon S3)
Fluency in UNIX/Linux command line

Benefits:

Work on the verge of blockchain technology
International work environment and flat organisation
Great career development opportunities in a growing company
Fully remote working

Senior Blockchain/Backend Developer

About the role:

We are looking for an exceptional backend engineer to join our team and work closely with our CTO and web stack developers to build a scalable backend infrastructure including database schema decisions and API development as we build our product foundation for rapid growth and continued innovation in this exciting space!

Our Tech Stack

Frontend: HTML, CSS, JS, Vue.js, React.js

Backend: Redis, MySQL, Node.js

Infrastructure: AWS (S3), Cloudfront

Automated testing: Cypress

Web3: Solidity / Ethereum

Integrations: Various APIs, browser-based crypto wallets (e.g., MetaMask) etc.
What to expect

Make a HUGE impact helping to bring ideas to reality as a core member of a lean, passionate, and friendly team
An entry-point to learn highly valuable, and complex concepts related to art, finance, and technology in a full-time role in an industry growing exponentially, on a team with some of the leading NFT influencers
Work within a dynamic team, who challenges the status quo and champions agile working plus continuous improvement
What we’re looking for

Minimum 3 years of professional software development experience in backend engineering and javascript
Demonstrated interest and experience tinkering in a personal capacity with Web3 areas
Extensive experience with Git & Github
Strong knowledge of Node.js
Experience in working with Express js
Strong expertise in JavaScript/ES6
Good understanding of the HTTP stack
Experience designing, building, extending, and implementing APIs
Strong experience in MySql, SQL, and writing stored procedures and optimized queries
Familiarity with cloud services, job queues, message brokers, container technologies and microservice architectures
Demonstrated ability to take ownership of an area of code
Fluency with Linux command line tools
Strong experience with testing (unit, integration, and end-to-end)
Strong technical and non-technical communication abilities, both verbal and written
Bonus points for

BS/MS in Computer Science, Computer Engineering, or a related technical field
Previous experience in a start-up environment
Familiar with blockchain and working with NFT metadata
Experience using CI/CD | Continuous Integration / Continuous Deployment systems
Previous experience in a highly scaled, major tech company
DevOps / DevSecOps experience
Experience working with and building structures to extract, transform, and load blockchain transaction data
Understanding of various DeFi and NFT platforms
Experience with writing ETL processes
What we're offering

Competitive salary (and equity) in an exciting space driving disruptive innovation
The opportunity to accelerate our growing organization
A remote work environment with competitive benefits and holidays
Crypto native colleagues that want to change the world!
7 additional company holidays, including all-company week-long winter break
Medical, Dental, and Vision Insurance for US-based employees
Agile working environment with flexible working hours and location, career advancement, and competitive compensation package
We arrange social activities to help our employees become familiar with each other and our culture
If you’re convinced you are the right fit and you can’t wait to join our team, we look forward to hearing from you!

I am an experienced engineer but I haven’t professionally worked with Web3, crypto, or DeFi before... should I apply?

Yes! This is a new and growing space. If you are passionate about Web3 from your own personal tinkering learning new things, and are now excited to dive into a new, expanding field, come grow with us!

Once you've applied, please be patient :) we are still establishing our operations so it may take us up to 1-2 weeks to get back to you!

Don’t meet every single requirement? 

Studies have shown that women and people of color are less likely to apply to jobs unless they meet every single qualification. At Tessera we are dedicated to building a diverse, inclusive and authentic workplace, so if you’re excited about this role but your past experience doesn’t align perfectly with every qualification in the job description, we encourage you to apply anyways.

You may be just the right candidate for this or other roles.

Senior Backend Engineer - US 

Examples of Things You’ll Work On...

Develop performant calibration algorithms to run on both cloud and low-powered host machines
Develop algorithms for the purpose of calibrating (intrinsics and extrinsics) various combinations of sensors
Develop unit and integration tests for all production-critical code
Participate and contribute to intensive research-backed product proposals
Improve UX for user-facing products through testing and customer discussion
Write and contribute to our internal and user-facing product documentation
Contribute to the Tangram Visions blog with relevant, technical content for a robotics and sensor savvy audience
Be open to networking/speaker opportunities on behalf of the company:
Presentations at local meetups
Communications inside and outside of Tangram on progress and projects
You should expect to travel at least 4 weeks out of the year for company retreats, conferences, and trade shows
Craft and maintain your User Manual. User Manuals are documents written by you, about you. They're meant to be easy ways for someone else to get to know you and your working style, so that everyone can better understand one another and collaborate more effectively
Communicate and check-in with each other. Every proposal, piece of documentation, and prototype is meant to be open, malleable, and collaborative. This lets us do our best work while preserving the best aspects of asynchronous work - focus and time. Even so, live communications are encouraged even if its just to check in on someone’s day
Do your part in keeping our operations running smoothly - submitting PTO requests, observing travel budgets, etc.

You’ll be a successful candidate if...

You have hit the limits of open-source frameworks for calibration, and hacked your way past (or through) them
You love performant systems languages, or are excited to learn and contribute through Rust in a real-world setting
You take the time to evaluate technology options and tradeoffs, and feel certain in your decision-making after evaluation
You care about contributing to product direction, planning, roadmaps, and postmortems
You have a willingness to voice your opinions and have pushed for better calibration procedures at your previous place of work or study, or have developed improved calibration procedures yourself
You have strong verbal and written communications skills - you’re able to explain big ideas without technical jargon
You have exceptional time management, including the ability to manage multiple tasks and projects at once
You love to learn and can implement what you’ve absorbed, whether it’s through reading textbooks and/or research papers
You have a strong sense of teamwork - you enjoy building positive relationships with colleagues and stakeholders, and a willingness to help others
You believe in inclusivity when working with colleagues with different backgrounds, experiences, and perspectives.

Must-Have Technical Qualifications...

In our experience, people with the below experiences would thrive in this role. Our tech stack is shown in parentheses, where applicable; experience with a specific tool is not required for this role.

At least 2 years of professional experience or the equivalent with the below:
A large code architecture written in a performant systems language (we are a Rust shop)
Calibration procedures in perception, beyond Zhang’s method
Implementing common multi-view geometry or photogrammetry algorithms
Non-linear optimization and large matrix mathematics
Demonstrated experience with common programming optimization strategies
Demonstrated experience with common sensor datatypes, e.g. image formats, point clouds, gyroscopic data, etc.
Comfortable working on Linux and using the command-line
Proficiency with git. You have experience with informative commit messages and keeping a clean git history
Benefits and other Perks...

We’re a startup, aren't there supposed to be pool tables and stuff? We have an ever-growing list of items that we’re looking to provide, here’s what we currently offer.

We value your health and well-being: Tangram Vision covers up to $400 a month of medical plan costs (chances are we have a plan that will be 100% covered for you), and 100% of dental, vision, and ancillary plans (i.e. life insurance, short-term and long-term disability).
Employees who choose a medical plan with a health savings account (HSA) also receive a $2,000/year HSA contribution
Staff have an unlimited PTO balance, with a recommended 4 weeks off per year (1 week per quarter).
Remote First, Fully Connected: Tangram Vision is a fully remote company. We have no corporate office, and our first five employees span four timezones!
Company retreats every three to four months in fun, unique locations.
Weekly team-wide calls keep us connected and grounded
Open virtual co-working communications every afternoon
We understand the importance of financial planning: We offer competitive salaries and equity grants. Employees can choose to adjust their compensation for more/less salary vs. more/less equity.

How to Apply...

Submit your resume and cover letter
In your cover letter please include how you heard about this role and why you’re interested in this position
No phone calls please. Tangram Vision will contact qualified candidates directly.

Interview Process:

For this role, the interview process will consist of the steps listed below. The first four steps will be conducted over video calls using Google Meet.

Phone screen (20 minutes): We learn more about you and your experiences, and we take time to share more about us, Tangram Vision.
Technical video interview (1 hour): We learn more about your technical knowledge and cover concepts that are important for this role.
Hands-on coding problem (2 hours): We provide a problem and you write the code to solve it! You use your own computer/IDE/environment and can choose from 2-3 different programming languages. We'll be available for the duration to answer any questions you may have.
Final Interview (1 hour): We meet with finalists to learn more about your work style and what you're looking for in your next role, team, and leadership.
Reference check: You send us work references and we talk to them.
Tangram Vision provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, national origin, age, disability, genetics, sexual orientation, gender identity, gender expression or veteran status. We are committed to establishing a diverse and inclusive workforce and encourage people from all backgrounds, experiences, perspectives, and abilities to apply. We do not discriminate in our hiring practices and in order to build the strongest possible workforce, actively seek a diverse applicant pool.

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