Senior Hadoop developer
Newark, DE · On-site
Collaborate with ML teams on feature engineering, data preprocessing, and optimizing data formats ... Mentor junior engineers and enforce best practices in coding, architecture, and data engineering.
Newark, DE · On-site
Collaborate with ML teams on feature engineering, data preprocessing, and optimizing data formats ... Mentor junior engineers and enforce best practices in coding, architecture, and data engineering.
Newark, DE · On-site
Collaborate with ML teams on feature engineering, data preprocessing, and optimizing data formats ... Mentor junior engineers and enforce best practices in coding, architecture, and data engineering.
... of our railroad is due to our employees. Are you ready to join our team? Our values of 'Do the ... By living the Amtrak values, focusing on our capabilities, and actively embracing and fostering ...
... of our railroad is due to our employees. Are you ready to join our team? Our values of 'Do the ... By living the Amtrak values, focusing on our capabilities, and actively embracing and fostering ...
... of our railroad is due to our employees. Are you ready to join our team? Our values of 'Do the ... By living the Amtrak values, focusing on our capabilities, and actively embracing and fostering ...
... of our railroad is due to our employees. Are you ready to join our team? Our values of 'Do the ... By living the Amtrak values, focusing on our capabilities, and actively embracing and fostering ...
... of our railroad is due to our employees. Are you ready to join our team? Our values of 'Do the ... By living the Amtrak values, focusing on our capabilities, and actively embracing and fostering ...
... of our railroad is due to our employees. Are you ready to join our team? Our values of 'Do the ... By living the Amtrak values, focusing on our capabilities, and actively embracing and fostering ...
Harrington, DE · On-site
The Locomotive Engineer is responsible for driving diesel-electric locomotives to transport freight ... Safely conducts the movement or rail cars and train movements * Climb on and off equipment, set or ...
Harrington, DE · On-site
The Locomotive Engineer is responsible for driving diesel-electric locomotives to transport freight ... Safely conducts the movement or rail cars and train movements * Climb on and off equipment, set or ...
... of our railroad is due to our employees. Are you ready to join our team? Our values of 'Do the ... By living the Amtrak values, focusing on our capabilities, and actively embracing and fostering ...
... of our railroad is due to our employees. Are you ready to join our team? Our values of 'Do the ... By living the Amtrak values, focusing on our capabilities, and actively embracing and fostering ...
Wilmington, DE · On-site
$50.25 - $69.25/hr
Work on bug fixing and improving application performance. * Continuously discover, evaluate, and implement new technologies to maximize development efficiency. * Mentor and guide junior developers ...
Quick apply
Wilmington, DE · On-site
$50.25 - $69.25/hr
Work on bug fixing and improving application performance. * Continuously discover, evaluate, and implement new technologies to maximize development efficiency. * Mentor and guide junior developers ...
Wilmington, DE · On-site
$49.50 - $64/hr
... on performance and scalability. * Strong communication and collaboration skills, with the ability to work effectively in a team and mentor junior developers." * "Develop and maintain high-quality ...
Quick apply
Wilmington, DE · On-site
$49.50 - $64/hr
... on performance and scalability. * Strong communication and collaboration skills, with the ability to work effectively in a team and mentor junior developers." * "Develop and maintain high-quality ...
$58.25 - $75.50/hr
... rail transportation systems. If you have a passion for crafting responsive and user-friendly ... Cloud-Native Development: * Hands-on experience with AWS technologies. Testing Support:
$58.25 - $75.50/hr
... rail transportation systems. If you have a passion for crafting responsive and user-friendly ... Cloud-Native Development: * Hands-on experience with AWS technologies. Testing Support:
Dover, DE · On-site +1
In the Support Engineer position, you will be directly in touch with our customers, which range ... Operate as a subject matter expert on our software products * Provide feedback and feature ...
Dover, DE · On-site +1
In the Support Engineer position, you will be directly in touch with our customers, which range ... Operate as a subject matter expert on our software products * Provide feedback and feature ...
In the Support Engineer position, you will be directly in touch with our customers, which range ... Operate as a subject matter expert on our software products * Provide feedback and feature ...
In the Support Engineer position, you will be directly in touch with our customers, which range ... Operate as a subject matter expert on our software products * Provide feedback and feature ...
Harrington, DE · On-site
$21.50 - $28/hr
Conducts the movement or rail cars and train movements * Climb on and off equipment, set or release ... Advance to engineer position when required Physical Requirements: * Must be able to stoop, bend ...
Harrington, DE · On-site
$21.50 - $28/hr
Conducts the movement or rail cars and train movements * Climb on and off equipment, set or release ... Advance to engineer position when required Physical Requirements: * Must be able to stoop, bend ...
Wilmington, DE · On-site
$58.25 - $75.50/hr
... rail transportation systems. If you have a passion for crafting responsive and user-friendly ... Hands-on experience with AWS technologies. Testing Support: Collaborate with Product Owner and Test ...
Wilmington, DE · On-site
$58.25 - $75.50/hr
... rail transportation systems. If you have a passion for crafting responsive and user-friendly ... Hands-on experience with AWS technologies. Testing Support: Collaborate with Product Owner and Test ...
Wilmington, DE · On-site
$58.25 - $75.50/hr
... rail transportation systems. If you have a passion for crafting responsive and user-friendly ... Cloud-Native Development: * Hands-on experience with AWS technologies. Testing Support:
Wilmington, DE · On-site
$58.25 - $75.50/hr
... rail transportation systems. If you have a passion for crafting responsive and user-friendly ... Cloud-Native Development: * Hands-on experience with AWS technologies. Testing Support:
Wilmington, DE · On-site
$58.25 - $75.50/hr
... rail transportation systems. If you have a passion for crafting responsive and user-friendly ... Cloud-Native Development: * Hands-on experience with AWS technologies. Testing Support:
Wilmington, DE · On-site
$58.25 - $75.50/hr
... rail transportation systems. If you have a passion for crafting responsive and user-friendly ... Cloud-Native Development: * Hands-on experience with AWS technologies. Testing Support:
Strong interest in railway or transit systems * Knowledge of Traction Power Load Flow Simulation Software's( e.g, Train, ETRAX, Openpowernet) * Electrical Engineering Degree with a focus on Power ...
Strong interest in railway or transit systems * Knowledge of Traction Power Load Flow Simulation Software's( e.g, Train, ETRAX, Openpowernet) * Electrical Engineering Degree with a focus on Power ...
Strong interest in railway or transit systems * Knowledge of Traction Power Load Flow Simulation Software's( e.g, Train, ETRAX, Openpowernet) * Electrical Engineering Degree with a focus on Power ...
Strong interest in railway or transit systems * Knowledge of Traction Power Load Flow Simulation Software's( e.g, Train, ETRAX, Openpowernet) * Electrical Engineering Degree with a focus on Power ...
Wilmington, DE · On-site
$51 - $65.75/hr
Hands-on experience working in Agile environments * Knowledge of Continuous Integration (CI) and ... Mentor junior developers and contribute to team growth Preferred Skills * Experience working across ...
Wilmington, DE · On-site
$51 - $65.75/hr
Hands-on experience working in Agile environments * Knowledge of Continuous Integration (CI) and ... Mentor junior developers and contribute to team growth Preferred Skills * Experience working across ...
Wilmington, DE · On-site
$49.50 - $64/hr
... Mentor junior and mid-level engineers, promoting engineering best practices and a culture of ... Hands-on experience with React or Angular, contributing to full-stack development and integration ...
Wilmington, DE · On-site
$49.50 - $64/hr
... Mentor junior and mid-level engineers, promoting engineering best practices and a culture of ... Hands-on experience with React or Angular, contributing to full-stack development and integration ...
Smyrna, DE · On-site
$15 - $17/hr
Club programs teach life skills, conflict resolution and focus on the development of character ... Club Director, the Jr. Youth Development Professional is responsible for assisting with the ...
Smyrna, DE · On-site
$15 - $17/hr
Club programs teach life skills, conflict resolution and focus on the development of character ... Club Director, the Jr. Youth Development Professional is responsible for assisting with the ...
$25.5K - $38.8K
1% of jobs
$38.8K - $52.1K
0% of jobs
$52.1K - $65.4K
0% of jobs
$65.4K - $78.7K
1% of jobs
$78.7K - $91.9K
13% of jobs
$104.6K is the 25th percentile. Wages below this are outliers.
$91.9K - $105.2K
11% of jobs
$105.2K - $118.5K
14% of jobs
The median wage is $123.8K / yr.
$118.5K - $131.8K
27% of jobs
$139.3K is the 75th percentile. Wages above this are outliers.
$131.8K - $145.1K
16% of jobs
$145.1K - $158.4K
10% of jobs
$158.4K - $171.6K
9% of jobs
$25.5K
$122.2K
$171.6K
As a Junior Ruby On Rails Developer, you'll generally spend your days building new features, fixing bugs, and writing tests under the guidance of more experienced engineers. You will regularly collaborate with other developers, product managers, and designers through pair programming, code reviews, and team meetings. Expect to dedicate a portion of your time to learning new best practices and tools, as ongoing education is key early in your career. The work environment is often collaborative and supportive, providing mentorship and feedback to help you grow your technical skills and confidence.
To thrive as a Junior Ruby On Rails Developer, you should have a foundational knowledge of Ruby, Rails framework, web development principles, and basic database design, often supported by a relevant technical degree or coding bootcamp experience. Familiarity with version control systems like Git, testing frameworks such as RSpec, and cloud platforms is highly valued in entry-level roles. Strong problem-solving abilities, a willingness to learn, and effective communication skills help juniors contribute positively to their teams. These competencies empower developers to adapt quickly, collaborate efficiently, and deliver functional web applications in a fast-evolving tech environment.
A Junior Ruby on Rails Developer is an entry-level software developer specializing in building web applications using the Ruby on Rails framework. They typically work under the guidance of senior developers, assisting in writing and maintaining code, debugging issues, and implementing new features. Juniors are expected to have a basic understanding of Ruby, Rails conventions, databases, and version control systems like Git. They often collaborate with teams to develop scalable and efficient applications while continuously learning industry best practices. This role serves as a foundation for advancing to more senior development positions.

Role: Senior Hadoop Developer Employment Type: Full-Time Location: Newark, DE
Primary Skill: Hadoop, Spark, Python, Hive, Impala
Secondary: SQL, ML
Experience: Minimum 10+ years
Roles & Responsibilities
We are seeking a highly skilled and experienced Senior Hadoop Developer to join our team. The ideal candidate will have a strong background in Pyspark, Hadoop, and SQL. Work experience in Machine learning project is a plus.
Key Responsibilities
Required Qualifications
Sourced by ZipRecruiter
AceStack is a global IT consulting & Staffing agency. We deal in Health care (Nursing, Allied, Clinical/Non-clinical) Staffing, Engineering Staffing & I.T. Staffing. Founded in 2017 in New Jersey, AceStack has reported consistent growth and profit every year and carries zero debt. AceStack consultants are placed across USA, Canada, Mexico, and Asia. In addition to our headquarters in New Jersey – USA, we also have offices in Canada, Noida, and Ahmedabad. AceStack’s exceptionally high-touch service keeps our clients satisfied and our Consultants/Travelers engaged. We believe in investing in our Consultants/Clients in a variety of ways. We employ AceStack ambassador who helps guide Consultants through the on-boarding process and ensure the transition into their new role with our Client is seamless. We also have dedicated Consultant care representatives located throughout our organization who provide the same level of attention throughout our Consultant’s tenure. Due to this level of attention and care, AceStack enjoys not only one of the highest retention rates in the staffing industry but also one of the highest redeployment rates in the industry.