Senior Software Developer Back End Jobs

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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

New

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 6 month con...

Location

Canada , Toronto

Salary:

Not provided

Randstad

Expiration Date

January 01, 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
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
Development of new code and modification of existing code (online, batch and workstation) to implement the design as signed off in the technical specifications

What we offer

Earn a competitive rate within the industry

!

Senior Software Developer (Machine Guidance)

As Wenco continues to build our next generation of technology, we need a wide ra...

Location

Canada , Richmond

Salary:

110000.00 - 150000.00 USD / Year

Wenco (a Hitachi Construction Machinery...

Expiration Date

Until further notice

Requirements

A minimum of 5 years of work experience as a software developer with at least 2 years in a senior role
Experience across the entire development lifecycle including design, development, unit and automated testing, deployment, and monitoring
Proficiency in developing cross-platform applications in C# and/or C++
An affinity for back-end development with some front-end experience
Experience using Kanban or Scrum methodologies
Bachelor Degree in Computer Science/Systems/Electronics/Software Engineering or equivalent
Must be eligible to work in Canada

Job Responsibility

Play a major role in our cross-functional, agile development team alongside Product, QA, and other technical stakeholders
Design and implement solutions for complex mining problems
Deliver tangible value to our customers by helping plan and design software release packages
Leverage modern tools to investigate and resolve challenging customer issues
Promote a culture of continuous improvement and technical excellence within the development team
Lead key technical initiatives to enhance team productivity and improve quality

Fulltime

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 Developer

As a Senior Back-End Developer, you will be a key contributor to the design, dev...

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 back-end development, with proficiency in [mention specific back-end languages, frameworks, and technologies relevant to your stack]
Strong understanding of software architecture, design patterns, and best practices
Excellent problem-solving skills and attention to detail
Excellent communication and collaboration skills

Job Responsibility

Back-End Development: Design and implement scalable, high-performance server-side applications
Database Management: Develop and optimize database schemas, queries, and performance tuning to ensure efficient data storage and retrieval
API Development: Build and maintain robust APIs for seamless integration with front-end systems and third-party services
Collaboration: Work closely with front-end developers, product managers, and other stakeholders to ensure seamless integration of front-end and back-end components
Code Reviews: Conduct and participate in code reviews to maintain code quality, adhere to best practices, and promote knowledge sharing within the team
Scalability: Architect and implement solutions that can handle high levels of traffic and data volume, ensuring the scalability of our systems
Problem Solving: Identify and address technical challenges, troubleshoot issues, and implement effective solutions

Senior Software Engineer (Back End)

Archer is an aerospace company based in San Jose, California building an all-ele...

Location

United States , San Jose

Salary:

134400.00 - 168000.00 USD / Year

Archer Aviation

Expiration Date

Until further notice

Requirements

Small but mighty, 0 to 1 builder mentality
BS/MS/PhD in Computer Science or a related technical field
7+ years of backend software engineering experience, with a proven track record of delivering scalable backend systems
Expert-level proficiency in Python for backend application development
Strong experience with AWS, including services such as Lambda, API Gateway, S3, DynamoDB, ECS/Fargate, etc.
Proficiency with infrastructure-as-code tools such as Terraform or AWS CDK
Deep understanding of RESTful API design, microservices architecture, and distributed systems
Experience with performance tuning, system monitoring, and observability tools
Excellent debugging, analytical, and problem-solving skills
Strong communication and collaboration skills across technical and non-technical stakeholders

Job Responsibility

Design, develop, and maintain scalable backend systems and APIs to support Archer’s ride-sharing and airline operational platforms
Build cloud-native applications and services using Python and AWS technologies
Lead architectural design and system integrations, ensuring systems are modular, efficient, and secure
Develop infrastructure-as-code using Terraform or AWS CDK to provision and manage backend environments
Collaborate with stakeholders to define technical requirements and translate them into robust implementations
Own the full development lifecycle—from design and development to deployment, monitoring, and maintenance
Conduct code reviews, enforce engineering best practices, and mentor fellow engineers
Monitor system performance and reliability, and respond to production issues with effective debugging and root cause analysis

Fulltime

Software Engineer - Full Stack and Back End

The Software Engineer is an intermediate-level position responsible for particip...

Location

Canada , Mississauga; Toronto

Salary:

Not provided

Citi

Expiration Date

Until further notice

Requirements

2+ years of relevant experience in the Financial Service industry with Back End, preferred Full Stack experience
2+ years of professional experience in software engineering, with a strong focus on full-stack development
Expertise in AngularJS for front-end development
Design, develop, and implement scalable and maintainable web applications using AngularJS, Spring Boot, and SQL
Proficiency in Spring Boot for building robust and scalable backend systems
Strong SQL skills for database design, querying, and optimization
Experience with RESTful APIs and microservices architecture
Excellent problem-solving and analytical skills
Strong communication and collaboration skills

Job Responsibility

Utilize knowledge of applications development procedures and concepts, and basic knowledge of other technical areas to identify and define necessary system enhancements, including using script tools and analyzing/interpreting code
Consult with users, clients, and other technology groups on issues, and recommend programming solutions, install, and support customer exposure systems
Apply fundamental knowledge of programming languages for design specifications
Analyze applications to identify vulnerabilities and security issues, as well as conduct testing and debugging
Serve as advisor or coach to new or lower level analysts
Identify problems, analyze information, and make evaluative judgements to recommend and implement solutions
Resolve issues by identifying and selecting solutions through the applications of acquired technical experience and guided by precedents
Has the ability to operate with a limited level of direct supervision
Can exercise independence of judgement and autonomy
Acts as SME to senior stakeholders and /or other team members

Fulltime

Senior Software Developer Back End

Randstad

Location:
Canada , Toronto

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:
December 27, 2025

Expiration:
February 23, 2026

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Senior Software Developer Back End

Randstad

Location:Canada , Toronto

Category:IT - Software Development

Contract Type:Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:December 27, 2025

Expiration:February 23, 2026

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Software Engineer - Full Stack and Back End

Location:
Canada , Toronto

Category:
IT - Software Development

Contract Type:
Not provided

Job Posted:
December 27, 2025

Expiration:
February 23, 2026