Senior Back End Developer Job at Pixels 360 (Boston)

Back-End Senior Developer

We are looking for a highly talented and motivated senior engineer to join our R...

Location

United States , Scottsdale, Arizona

Salary:

Not provided

Sky Republic

Expiration Date

Until further notice

Requirements

5+ years’ experience in back-end software development
Desire and ability to rapidly learn new technologies, put them in practice with tough deadlines, and work through challenging problems
Proficient with agile (Scrum/Kanban/XP) software development methodology and continuous delivery techniques and tools (Jenkins, Git, Jira etc.)
Familiar with cloud service development ecosystem (Amazon AWS, Google Cloud Platform, Microsoft Azure)
Practical development experience with some of the following technologies: Concurrent and strongly typed programming language such as Golang (preferred), C++, Java
REST API and JSON schemas
Linux container technologies (Docker, Kubernetes, etc.)
SQL databases (PostgreSQL, MySQL, Oracle)
Information Security concept and cryptography theory
Middleware software technologies (Apache Service Mix, IBM WebSphere, Mulesoft, WSO2 etc.)

Job Responsibility

Contribute to a highly creative and experienced team in an agile and collaborative environment
Participate in all phases of development including design, coding, deployment, testing, documentation and maintenance of Sky Republic solutions
Apply software development best practices such as unit testing, code review, test automation and continuous delivery to produce high quality software
Work with various stakeholders and customers to develop the Sky Republic offering and ensure its adoption

What we offer

Attractive compensation (salary + bonus + equity)
Medical, Dental, Vision, 401K
Flexible working hours

Fulltime

Senior Back End Engineer

This is a full-cycle property management platform designed for vacation rental b...

Location

Ukraine

Salary:

Not provided

StartupSoft

Expiration Date

Until further notice

Requirements

7+ years of Java 11 or newer
3+ years working with web services
Solid SQL / relational database experience
DevOps using Docker and Kubernetes
Passionate about solving world-changing problems in the vacation rental industry
Enjoy being part of a dynamic, fast-growing startup
Take ownership of your work
Appreciate process and communication

Job Responsibility

Work with a great team of senior developers to improve the Property Management Platform
Take ownership of a few key components of the system
Participate in agile ceremonies
Build for scale, stability and performance

What we offer

Global collaboration opportunities
Core team membership
Equity and ownership potential
Premier workspaces
Competitive compensation package
Cutting-edge technology environment
Impactful project contributions
Collaborative company culture

Fulltime

Senior Software Developer Back End

Our client is looking for a Senior Software Developer Back End for a 4 month con...

Location

Canada , North York

Salary:

Not provided

Randstad

Expiration Date

February 19, 2026

Requirements

Experience with z/OS V2.2 or higher
Expertise using file and database management tools (either File Aid V10.1 or higher, or IBM File Manager V13.1 or higher)
Experience with IMS DB V12 or higher (HALDB and DEDB) using the PLITDLI API
Experience with DB2 for z/OS V11 or higher
5+ years of experience writing mainframe PL/I transactions that process XML input and produce XML output and consume it
Recent experience in using PL/I V4.5 or higher within the last 5 years

Job Responsibility

Analysis leading to detailed information related to the current system logical and physical design and code structures during the concept phase of project
Analysis of technical database requirements leading to definition of changes required to support the new system
Interface and arrangements with the DBA/Data Management staff to progress these changes
Creation of technical specifications in accordance with the OPS standards
Identification of problems/issues along with mitigation strategies
Regular status reports on progress made
Effective knowledge transfer to RUS and I&IT Cluster staff at all stages of this assignment
Report status to and follow overall direction from the Project Manager and/or Lead Technical Coordinator
Logical and physical design required to incorporate the required changes
JAD sessions / walkthroughs to vet the design and obtain signoff of the technical specifications

What we offer

Earn a competitive rate within the industry
Potential for extension

Senior Software Developer Back End

Our client is looking for a Senior Software Developer Back End for a 12 month co...

Location

Canada , Toronto

Salary:

Not provided

Randstad

Expiration Date

February 23, 2026

Requirements

10+ years of experience as a designer and developer in the large-scale multi-client web applications
10+ year of hands-on working experience of Java development with Oracle or SQL database
5+ years of hands-on experience of RestAPI, RESTful WebServices
Knowledge of security gateways and protocols (JWT, Oauth2.0, SSL Certificates)
Experience in programming and analysis
specialized software package support at the specified experience level
Ability to collaborate with IT Professionals throughout the Software Development Life Cycle
Experience in structured methodologies for the development, design, implementation and maintenance of applications
Experience in design, code, test, debug and document applications
Experience in the use of object and/or third generation language development tools

Job Responsibility

Responsible for managing the interchange of data between the server and the users
Required to translate technical systems specifications into working, tested applications
This includes: developing detailed programming specifications writing and/or generating code compiling data-driven programs maintaining, and conducting unit tests Resolves and troubleshoots technical problems which arise during the use and operation of software packages, including technical assistance in implementation, conversion

What we offer

Earn a competitive rate within the industry
Potential for extension

Senior Software Developer Back End

Our client is looking for a Senior Software Developer Back End for a 12 month co...

Location

Canada , Toronto

Salary:

Not provided

Randstad

Expiration Date

February 23, 2026

Requirements

10+ years of experience as a designer and developer in the large-scale multi-client web applications
10+ years of hands-on working experience of Java development with Oracle or SQL database
5+ years of hands-on experience of RestAPI, RESTful WebServices
Knowledge of security gateways and protocols (JWT, Oauth2.0, SSL Certificates)
Experience in programming and analysis
specialized software package support at the specified experience level
Ability to collaborate with IT Professionals throughout the Software Development Life Cycle
Experience in structured methodologies for the development, design, implementation and maintenance of applications
Experience in design, code, test, debug and document applications
Experience in the use of object and/or third generation language development tools

Job Responsibility

Responsible for managing the interchange of data between the server and the users
Required to translate technical systems specifications into working, tested applications
This includes: developing detailed programming specifications writing and/or generating code compiling data-driven programs maintaining, and conducting unit tests Resolves and troubleshoots technical problems which arise during the use and operation of software packages, including technical assistance in implementation, conversion

What we offer

Earn a competitive rate within the industry
Potential for extension

Senior Front End Developer

As a Senior Front-End Developer, you will be at the forefront of our web develop...

Location

United States , Boston

Salary:

Not provided

Pixels 360

Expiration Date

Until further notice

Requirements

Bachelor’s degree in Computer Science, Engineering, or a related field
5 years of experience in front-end development with proficiency in HTML5, CSS3, JavaScript, and related frameworks (e.g., React, Angular, or Vue)
Strong understanding of responsive design principles and cross-browser compatibility
Proven track record of delivering visually appealing and highly functional user interfaces
Excellent problem-solving skills and attention to detail

Job Responsibility

Front-End Development: Design and implement high-quality, responsive, and visually appealing user interfaces using modern front-end technologies such as HTML5, CSS3, and JavaScript
Collaboration: Work closely with UX/UI designers, back-end developers, and other stakeholders to ensure seamless integration of front-end and back-end components
Code Quality: Conduct code reviews to ensure best practices, maintain code quality, and promote a culture of continuous improvement
Performance Optimization: Identify and implement strategies for optimizing the performance of web applications, ensuring a smooth and efficient user experience
User Experience: Contribute to the user experience (UX) design process, providing input on usability and interaction design
Cross-Browser Compatibility: Ensure that web applications are compatible across various browsers and devices
Mentorship: Provide guidance and mentorship to junior front-end developers, fostering a collaborative and learning-oriented team culture

Senior Full-Stack Developer (Back-End Focus)

We’re looking for a talented and driven Full-Stack Developer to join our dynamic...

Location

Salary:

Not provided

gamdom

Expiration Date

Until further notice

Requirements

Proven experience as a Full-Stack Developer with a backend focus
Strong expertise in: React.js for scalable UI development
Node.js & Express for backend services
PostgreSQL for relational database design and management
MUI for consistent UI/UX design
WebSockets (socket.io) for real-time communication
Strong problem-solving and analytical skills
Ability to work in a fast-paced, collaborative environment
Excellent communication skills (verbal & written)
Adaptability and eagerness to learn new technologies

Job Responsibility

Frontend Development: Build and maintain user interfaces with React.js and MUI for responsive, consistent design
Backend Logic: Develop robust server-side functionality with Node.js and Express
Database Management: Design and optimize schemas and queries using PostgreSQL
Real-Time Features: Implement live updates and streaming with WebSockets (socket.io)
Collaboration: Work closely with product managers, designers, and other engineers to deliver high-quality features
Quality & Performance: Troubleshoot issues, write unit/integration tests, and optimize performance for scalability
Continuous Learning: Stay up-to-date with modern tools, frameworks, and best practices

What we offer

Fully remote - work from anywhere in the world
Flexible schedule
30 days of paid time off
Equipment allowance

Fulltime

Senior Back End Engineer for Streaming Data Platform

Do you want to build a high-quality data platform that will innovate financial m...

Location

Salary:

Not provided

KOR Financial

Expiration Date

Until further notice

Requirements

A minimum of 8+ years of experience as a Back End Engineer
Experience with Java and Spring Boot Framework
Experience with building and running applications on public cloud vendors like AWS
Working experience Kafka, DataBricks and Streaming data solutions
Experience profiling, debugging, and performance tuning complex distributed systems
A firm reliance on unit testing and mocking frameworks with a TDD (Test Driven Development) mindset
Knowledge of OOP principles and modern development practices

Job Responsibility

Designing and implementing the streaming data platform engine and SDK
Implementing new features for our range of web and streaming applications and data reporting capabilities
Be an active voice in the platform's build-out in regards to the technical choices and implementations
Working closely with the broader team to embrace new challenges and adapt requirements as we continue to grow and adjust priorities
Paired programming with a growing team of Back-end, Data, and Front-end Engineers

What we offer

Culture of trust, empowerment, and constructive feedback
Competitive salary, great IT equipment, and expense allowance
Flexible working times
A span of control that matches your ambitions and skills
Commitment to a genuine, balanced relationship

Senior Back End Developer

Pixels 360

Location:
United States , Boston

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:
December 11, 2025

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Pixels 360

Location:United States , Boston

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Contract Type:Not provided

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Job Description:

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Job Posted:December 11, 2025

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