CrawlJobs Logo

Senior Software Developer Back End

https://www.randstad.com Logo

Randstad

Location Icon

Location:
Canada, Toronto

Category Icon
Category:
IT - Software Development

Job Type Icon

Contract Type:
Not provided

Salary Icon

Salary:

Not provided

Job Description:

Our client is looking for a Senior Software Developer Back End for a 6 month contract in Toronto. This is a hybrid role.

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
  • Interface with the mid-tier developers
  • Ensure that the appropriate QA technical standards are incorporated into all artefacts and system code
  • Preparation of test data and code unit testing
  • Participation in integration testing including input to the integration test plan, setup of the test environment, creation of test data, execution of integration tests with the BA’s and other developers, recording of test results and defect repair
  • Planning and participation in code retrofit with other developers that are modifying the same LCS code in other projects
  • Analysis of reported defects and corrections required to eliminate the defects
  • Use of mandated management tools for code libraries

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
What we offer:

Earn a competitive rate within the industry

Additional Information:

Job Posted:
December 18, 2025

Expiration:
January 01, 2026

Work Type:
Hybrid work
Job Link Share:

Looking for more opportunities? Search for other job offers that match your skills and interests.

Briefcase Icon

Similar Jobs for Senior Software Developer Back End

New

Senior Software Developer (Machine Guidance)

As Wenco continues to build our next generation of technology, we need a wide ra...
Location
Location
Canada , Richmond
Salary
Salary:
110000.00 - 150000.00 USD / Year
wencomine.com Logo
Wenco (a Hitachi Construction Machinery...
Expiration Date
Until further notice
Flip Icon
Requirements
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
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
Read More
Arrow Right
New

Back-End Senior Developer

We are looking for a highly talented and motivated senior engineer to join our R...
Location
Location
United States , Scottsdale, Arizona
Salary
Salary:
Not provided
skyrepublic.com Logo
Sky Republic
Expiration Date
Until further notice
Flip Icon
Requirements
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
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
What we offer
  • Attractive compensation (salary + bonus + equity)
  • Medical, Dental, Vision, 401K
  • Flexible working hours
  • Fulltime
Read More
Arrow Right

Senior Back End Developer

As a Senior Back-End Developer, you will be a key contributor to the design, dev...
Location
Location
United States , Boston
Salary
Salary:
Not provided
pixels-360.com Logo
Pixels 360
Expiration Date
Until further notice
Flip Icon
Requirements
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
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
Read More
Arrow Right

Senior Software Engineer (Back End)

Archer is an aerospace company based in San Jose, California building an all-ele...
Location
Location
United States , San Jose
Salary
Salary:
134400.00 - 168000.00 USD / Year
archer.com Logo
Archer Aviation
Expiration Date
Until further notice
Flip Icon
Requirements
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
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
Read More
Arrow Right

Software Engineer - Full Stack and Back End

The Software Engineer is an intermediate-level position responsible for particip...
Location
Location
Canada , Mississauga; Toronto
Salary
Salary:
Not provided
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Flip Icon
Requirements
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
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
Read More
Arrow Right

Senior Software Engineer

The Senior Software Engineer will design, develop, test, and maintain backend so...
Location
Location
Australia , Sydney
Salary
Salary:
Not provided
brighte.com.au Logo
Brighte Capital
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Strong industry experience with back-end development, microservices architecture, and RESTful APIs
  • Advanced proficiency in TypeScript and Node.js
  • Experience with AWS services with good understanding of lambdas, as well as, container technologies (e.g., Docker)
  • Solid understanding of the software development lifecycle, including CI/CD, automated testing, security, and compliance
  • Proven ability to debug complex issues and participate in incident response
  • Strong communication skills, able to explain technical concepts to non-technical stakeholders
  • Customer-centric mindset with a focus on delivering high-quality user experiences
  • Proactive, autonomous, and accountable, with a strong sense of ownership
  • Experience working in a regulated industry (e.g., fintech, banking, insurance, health)
  • Familiarity with security best practices and regulatory compliance in software engineering
Job Responsibility
Job Responsibility
  • Design, develop, and maintain scalable back end systems using TypeScript and Node.js
  • Build and maintain APIs and/or event-driven microservices
  • Collaborate with front end engineers, product managers, and other stakeholders to deliver end-to-end solutions
  • Ensure code quality through systematic debugging, code reviews, and adherence to best practices
  • Participate in the full software development lifecycle, including CI/CD, testing, security, and compliance
  • Proactively identify and address system vulnerabilities and performance bottlenecks
  • Contribute to architectural decisions and technical design discussions
  • Mentor and support junior engineers, fostering a culture of learning and continuous improvement
  • Engage in incident response and troubleshooting, taking ownership of issues as they arise
  • Stay up to date with industry trends, new technologies, and regulatory requirements relevant to fintech and regulated industries
What we offer
What we offer
  • Flexible working arrangements
  • Hybrid work model
  • Free lunch on Mondays
  • Weekly Thursday social event
  • Employee Share Option Plans (ESOP)
  • Stocked pantry with snacks
  • Wines and beer on tap
  • End-of-trip facilities with towel service and hair dryers
  • Anniversary leave
  • Fulltime
Read More
Arrow Right

Senior Software Engineer

We are seeking an experienced Sr. Software Engineer to join our team. The ideal ...
Location
Location
United States
Salary
Salary:
Not provided
https://seamless.ai/ Logo
Seamless.AI
Expiration Date
Until further notice
Flip Icon
Requirements
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
  • 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
  • Experience with Agile in a highly collaborative, team-based environment
Job Responsibility
Job Responsibility
  • Lead the dev team in the design, development, and maintenance of software products
  • Develop and maintain high-quality software code
  • Ensure that technical delivery of projects are on time, within budget, and to the required quality standards
  • Define technical, operational, and security project requirements
  • Collaborate with other teams to develop and maintain best practices for software development
  • Provide technical leadership, guidance, and mentorship to the team members
  • Lead and participate in code reviews to ensure that software code is of high quality and conforms to best practices
  • Continuously explore and evaluate new technologies to improve software development processes and efficiencies
  • Collaborate with other teams to resolve technical issues, troubleshoot problems, and implement solutions
  • Contribute to the development and maintenance of software documentation and user manuals
  • Fulltime
Read More
Arrow Right

Freelance Senior Software Engineer

We are seeking an experienced Freelance Sr. Software Engineer; Independent Contr...
Location
Location
Uruguay
Salary
Salary:
Not provided
https://seamless.ai/ Logo
Seamless.AI
Expiration Date
Until further notice
Flip Icon
Requirements
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
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
Read More
Arrow Right
Welcome to CrawlJobs.com
Your Global Job Discovery Platform
At CrawlJobs.com, we simplify finding your next career opportunity by bringing job listings directly to you from all corners of the web. Using cutting-edge AI and web-crawling technologies, we gather and curate job offers from various sources across the globe, ensuring you have access to the most up-to-date job listings in one place.