Freelance Senior Software Engineer Jobs

Freelance Senior Software Engineer

We are seeking an experienced Freelance Sr. Software Engineer; Independent Contr...

Location

Mexico

Salary:

Not provided

Seamless.AI

Expiration Date

Until further notice

Requirements

6+ years of experience in software development
5+ years of experience with modern frontend (React.js) and backend (Node.js, Express.js) JavaScript development
Bachelor’s in computer science or related field or equivalent work experience
Fluency in both English and Spanish is required

Job Responsibility

Provide technical expertise in the design, development, and maintenance of software products
Develop and maintain high-quality software code in alignment with project requirements
Ensure that project deliverables are completed on time, within budget, and meet quality expectations
Define technical, operational, and security requirements for software projects
Collaborate with other teams to establish and maintain best practices for software development
Offer technical guidance and recommendations to support engineering teams
Conduct code reviews to maintain software quality and adherence to best practices
Research and evaluate new technologies to enhance software development processes and efficiencies
Work with stakeholders to resolve technical challenges, troubleshoot issues, and implement solutions
Contribute to the development and maintenance of technical documentation and system guides

Freelance Senior Software Engineer

We are seeking an experienced Freelance Sr. Software Engineer; Independent Contr...

Location

Costa Rica

Salary:

Not provided

Seamless.AI

Expiration Date

Until further notice

Requirements

6+ years of experience in software development
5+ years of experience with modern frontend (React.js) and backend (Node.js, Express.js) JavaScript development
Bachelor’s in computer science or related field or equivalent work experience
Fluency in English and Spanish is required
Expert knowledge of modern frontend technologies such as React, ES6/7 JavaScript, Webpack, HTML, and CSS
Expert knowledge of modern back-end development and back-end JavaScript (Node.js, ExpressJS), SQL (Aurora Postgres), and AWS
Excellent communication and interpersonal skills
Strong problem-solving and analytical skills, with the ability to identify and address technical issues and challenges
Experience with software development tools such as GitHub and JIRA
Experience with cloud-based development and deployment, such as AWS

Job Responsibility

Provide technical expertise in the design, development, and maintenance of software products
Develop and maintain high-quality software code in alignment with project requirements
Ensure that project deliverables are completed on time, within budget, and meet quality expectations
Define technical, operational, and security requirements for software projects
Collaborate with other teams to establish and maintain best practices for software development
Offer technical guidance and recommendations to support engineering teams
Conduct code reviews to maintain software quality and adherence to best practices
Research and evaluate new technologies to enhance software development processes and efficiencies
Work with stakeholders to resolve technical challenges, troubleshoot issues, and implement solutions
Contribute to the development and maintenance of technical documentation and system guides

Freelance Senior Software Engineer

We are seeking an experienced Freelance Sr. Software Engineer; Contratista Indep...

Location

Colombia

Salary:

Not provided

Seamless.AI

Expiration Date

Until further notice

Requirements

6+ years of experience in software development
5+ years of experience with modern frontend (React.js) and backend (Node.js, Express.js) JavaScript development
Bachelor’s in computer science or related field or equivalent work experience
Fluency in both English and Spanish
Expert knowledge of modern frontend technologies such as React, ES6/7 JavaScript, Webpack, HTML, and CSS
Expert knowledge of modern back-end development and back-end JavaScript (Node.js, ExpressJS), SQL (Aurora Postgres), and AWS
Excellent communication and interpersonal skills
Strong problem-solving and analytical skills
Experience with software development tools such as GitHub and JIRA
Experience with cloud-based development and deployment, such as AWS

Job Responsibility

Provide technical expertise in the design, development, and maintenance of software products
Develop and maintain high-quality software code in alignment with project requirements
Ensure that project deliverables are completed on time, within budget, and meet quality expectations
Define technical, operational, and security requirements for software projects
Collaborate with other teams to establish and maintain best practices for software development
Offer technical guidance and recommendations to support engineering teams
Conduct code reviews to maintain software quality and adherence to best practices
Research and evaluate new technologies to enhance software development processes and efficiencies
Work with stakeholders to resolve technical challenges, troubleshoot issues, and implement solutions
Contribute to the development and maintenance of technical documentation and system guides

New

Aquatic Resources Program Manager

Manages the activities of the Aquatic Resources Program, ensuring that the Hospi...

Location

United States , Boston

Salary:

83241.60 - 133192.80 USD / Year

Boston Children's Hospital

Expiration Date

Until further notice

Requirements

Bachelor’s Degree is required
Biological sciences with a specific focus on aquatic biology/aquaculture is required
At least 6 years of related experience is required
AALAS Certification is preferred
Master’s Degree is preferred

Job Responsibility

Manages the activities of the Aquatic Resources Program
Advises, educates and meets with investigators planning to use zebra fish for research
Provides direct supervision, guidance and coaching to Aquatic Resources Program technical staff
Develops and maintains a high level of customer service providing timely, accurate and expert support to researchers
Develops, monitors and maintains operating and capital budgets
Implements/maintains institutional training program for all fish users
Supports all business functions of Aquatic Resources Program
Plans strategies to meet short- and long-term fish care and research needs
Informs and advises principal investigators and others of hospital policies and procedures and regulatory requirements
Oversees maintenance and operation of highly specialized equipment designed to support aquatic life

What we offer

flexible schedules
affordable health, vision and dental insurance
child care and student loan subsidies
generous levels of time off
403(b) Retirement Savings plan
Pension
Tuition and certain License and Certification Reimbursement
cell phone plan discounts
discounted rates on T-passes

Fulltime

New

Cashier

At Boston Children’s Hospital, the quality of our care – and our inclusive hospi...

Location

United States , Boston

Salary:

17.65 - 24.27 USD / Hour

Boston Children's Hospital

Expiration Date

Until further notice

Requirements

High school education
3-6 months of previous work experience
The skills to read and understand English, add and subtract numbers, and make comparisons between numbers and letters
Requires contact with patients and/or visitors which involves courtesy
Lifting and carrying patients/children/objects weighing up to 10lbs and occasionally 11-20lbs
Regularly stooping and bending
Reaching and grasping objects below, above and at shoulder level
Regularly grasping and fine manipulation with hands
Regularly sitting and standing
Frequently inputting/retrieving words or data into or from an automated/computer system

Job Responsibility

Compute charges for food and beverages and collect payment from customers
Prepare the register and bank at the beginning of each meal service period. After each meal, totals receipts, balances bank, complete various records and reports, and process cash and other payments according to established procedures
Maintain high standards for service and customer relations. Respond to and resolve customer questions and complaints, referring difficult or unusual situations to supervisor
Perform various clerical duties, such as reviewing and updating menus and price lists. Maintain cash register, replacing ribbons and paper journals and reporting malfunctions
Perform counter and service functions according to established procedures. Clean counters, tables, condiment stations, and small appliances. Replenish beverages, condiments, napkins, and the like
Contribute to the effective functioning and team work in the work area

What we offer

Flexible schedules
Affordable health, vision and dental insurance
Child care and student loan subsidies
Generous levels of time off
403(b) Retirement Savings plan
Pension
Tuition and certain License and Certification Reimbursement
Cell phone plan discounts
Discounted rates on T-passes

Fulltime

New

Demand Planner

We are seeking an analytical Demand Planner to manage the forecast for the DACH ...

Location

Luxembourg , Luxembourg

Salary:

Not provided

Randstad

Expiration Date

January 26, 2026

Requirements

3+ years in Demand Planning or Supply Chain
Bachelor’s degree in Business, Supply Chain, Statistics, or related field
Proficiency in Excel, SAP, and APO
Fluent German and English

Job Responsibility

Develop valid sales forecasts for the DACH market using statistical methods and relevant data
Analyze historical sales trends, seasonality, contracts, and customer buying patterns
Continuously monitor Forecast Accuracy (MAPE), identify root causes of variances, and implement corrective actions
Ensure data integrity within forecasting tools (SAP/APO) and marketplace analytics platforms
Lead monthly demand review meetings as part of the Sales & Operations Planning process
Collaborate proactively with Sales, Marketing, and Product Management to incorporate new product launches and promotional activities into the plan
Partner with Supply Planning and Procurement to ensure the demand plan aligns with supply capabilities
Identify risks and opportunities in the demand plan and recommend mitigation strategies to management
Safeguard and report on Forecast Accuracy (MAPE), Service Level / OTIF, Inventory Turnover and Fill Rate, E&O (Excess & Obsolete) inventory levels

Fulltime

New

Or/spd Liaison

At Boston Children’s Hospital, the quality of our care – and our inclusive hospi...

Location

United States , Boston

Salary:

49275.00 - 78832.00 USD / Year

Boston Children's Hospital

Expiration Date

Until further notice

Requirements

High School Diploma/GED required
Associate’s Degree Preferred
Required Area of Study in Sterile Processing
Preferred Area of Study in Sterile Processing and Surgical Technology
3 years of SPD experience required
5 years of SPD experience preferred
SPD Tech certification through a nationally recognized accreditation association required
SPD Leadership, Instrument Tech, and Endoscopy certification through a nationally recognized accreditation association preferred

Job Responsibility

Supports Operating Room (OR) staff by verifying instrument kits are ready before surgery start times
Attends daily meetings with OR Specialty Coordinators to forecast instrument needs up to five days in advance
Monitors daily surgical case flow and communicates emergent or additional instrument needs to SPD, resolving issues as needed
Conducts daily audits of Key Performance Indicators (KPIs), including case cart and kit audits, room visits, and post-case reviews
Analyzes KPI data to identify trends and operational issues in the OR and Sterile Processing Department (SPD)
Coordinates communication and planning for priority instruments and turnaround times, informing the surgical team of any delays
Responds promptly to surgical team calls regarding instrumentation problems or urgent needs
Cleans and processes equipment per manufacturer’s instructions and safety protocols
Ensures instrumentation is processed and available for next-day, on-call, or weekend surgeries
Assists with documentation, kit updates, pick-list revisions, and maintaining accurate instrument count sheets with coordinators and physicians

What we offer

One Time Sign on Bonus of $8,500.00
flexible schedules
affordable health, vision and dental insurance
child care and student loan subsidies
generous levels of time off
403(b) Retirement Savings plan
Pension
Tuition and certain License and Certification Reimbursement
cell phone plan discounts
discounted rates on T-passes

Fulltime

New

Registered Nurse, NICU

At Boston Children’s Hospital, the quality of our care – and our inclusive hospi...

Location

United States , Boston

Salary:

76003.20 - 163687.68 USD / Year

Boston Children's Hospital

Expiration Date

Until further notice

Requirements

BSN required
1 year of acute care pediatric, ICU or ED RN experience required
Massachusetts RN Licensure

Job Responsibility

Providing care to critically ill medical and surgical neonates and infants with various conditions including (but not limited to) complications of prematurity, respiratory distress, pulmonary hypertension, hypoxic ischemic encephalopathy, long gap esophageal atresia, tracheoesophageal fistula, gastroschisis, omphalocele, necrotizing enterocolitis, congenital heart disease and other congenital anomalies
Working collaboratively to provide family-centered care as a member of a multidisciplinary team that provides expert neonatal care

What we offer

10K Sign On Bonus
flexible schedules
affordable health, vision and dental insurance
child care and student loan subsidies
generous levels of time off
403(b) Retirement Savings plan
Pension
Tuition and certain License and Certification Reimbursement
cell phone plan discounts
discounted rates on T-passes

Parttime

Freelance Senior Software Engineer

Seamless.AI

Location:
Uruguay

Category:
IT - Software Development

Contract Type:
B2B

Salary:

Job Description:

Job Responsibility:

Requirements:

Additional Information:

Job Posted:
April 02, 2025

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