534 system development engineer jobs at 245 companies in Niagara Falls, NY

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Power System Engineer (CA)
Mississauga, Ontario, Canada
$111k-$159k/yr HybridFull Time
Independent Electricity System Operator
Independent Electricity System Operator: Manages Ontario's electricity grid and wholesale power market.
6+ YOERequires P.Eng. in Ontario, engineering degree (or equivalent), ~6+ years power system experience, familiarity with NERC/NPCC standards, model development, system impact assessments, and technical report writing.
3d
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Controls System ACCIS Engineer
Mississauga, Ontario, Canada
HybridFull Time
AtkinsRéalis
AtkinsRéalisToronto Stock Exchange: ATRL: Providing global engineering design and infrastructure project management services.
Honours engineering degree; software development for QNX and QT; experience with C/C++, POSIX, Java, SQL, XML, Visual Studio/Eclipse; knowledge of UML, static analysis, databases and virtualization; strong problem-solving and communication skills.
QNX, C, C++, QT 5, QT 6, POSIX, Java, SQL, XML, Visual Studio, Eclipse Platform, IEC61131-3, LabVIEW, MyQSL, SQLite, PI, VMWare, UML
2w
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Development Systems Engineer
Buffalo, New York, United States
$85k-$105k/yr OnsiteFull Time
Moog
MoogNYSE: MOG.A: Design and manufacture of precision motion control systems.
3+ YOEBachelor's in engineering, 3+ years relevant experience, MATLAB/Simulink proficiency, ability to obtain U.S. security clearance; system integration, test, and technical communication skills.
MATLAB/Simulink, Cameo, MBSE, DOORS
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Senior System Integration Engineer (Data Platform)
Toronto, Ontario, Canada
$80k-$110k/yr HybridFull Time
Cognizant
CognizantNASDAQ: CTSH: Provides IT consulting and technology services to global enterprises.
6+ YOE6+ years in system integration and API development, 4+ years with data infrastructure, strong diagnostic and documentation skills, experience with AI coding assistants and task automation, and familiarity with data governance and compliance.
GitHub Copilot, Windsurf, Claude, CI/CD
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Controls System Software Developer
Dundas, Ontario, Canada
$65k-$85k/yr OnsiteFull Time
Liburdi
Liburdi: Provider of specialized welding systems and turbine repair services.
1+ YOE1-3 years experience, Bachelor's in Engineering or Computer Science required. Strong C#/.NET and C++ skills, Visual Studio .NET and XML experience. PLC, OpenGL/OpenCV/OpenTK, 3D geometry and robotics experience are assets.
C#/.NET, C++, Visual Studio .NET, XML, OpenGL, OpenCV, Emgu, OpenTK, PLC
1w
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Staff Software Development Engineer
Toronto, Ontario, Canada
$88k-$132k/yr HybridFull Time
Equinix
EquinixNASDAQ: EQIX: Provides global data center colocation and digital interconnection services.
5+ YOEBachelor’s degree in CS or related,5+ years software engineering with strong Java experience,full-stack and cloud-native skills,experience with microservices,DevSecOps,AI toolchains and distributed systems.
Java, Spring Boot, JPA, Spring Data, React, TypeScript, Swagger, Hibernate, Maven, JUnit, JMeter, LoadRunner, Redis, PostgreSQL, Cassandra, Docker, Kubernetes, Istio, AWS, Azure, GCP, LangChain, Semantic Kernel, retrieval-augmented generation (RAG), GitHub Actions
2mo
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Software Development Engineer II
Toronto, Ontario, Canada
$105k-$140k/yr HybridFull Time
Fulfil
Fulfil: A platform that enables commerce operations.
3+ YOE3-5 years Python engineering experience; ownership of web apps end-to-end; strong SQL/ORM skills; distributed systems experience; automated testing with pytest; collaborative in Git.
Python, PostgreSQL, SQLAlchemy, Django ORM, Celery, Redis, RabbitMQ, pytest, Git, REST, GraphQL
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Principal, Software Development Engineer
Toronto or Vancouver
$168k-$252k/yr HybridFull Time
Workday
WorkdayNASDAQ: WDAY: Provides cloud-based software for financial and human capital management.
8+ YOE8+ years building and operating large-scale distributed systems; bachelor’s in CS/Engineering or equivalent; deep Python, Ray (Ray Serve), and Prometheus experience; product-oriented platform design and mentorship skills.
Python, Ray, Ray Serve, Prometheus, GCP, AWS Bedrock, Gemini
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Software Development Engineer, Employee Listening
Toronto, Ontario, Canada
$115k-$192k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
3+ YOE3+ years professional software development, 2+ years system design/architecture, experience programming in at least one language, familiarity with big data and AWS technologies preferred.
AWS Glue, Amazon Athena, AWS Lambda, Amazon S3, Amazon DynamoDB, AWS, Hadoop, Spark, Pig, Hive, Lucene/SOLR, Storm, Samza
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Application Development AI Engineer - Vice President
Mississauga, Ontario, Canada
$121k-$171k/yr HybridFull Time
Citi
CitiNYSE: C: Providing global banking, investment, and wealth management services.
6+ YOE6+ years software engineering experience, 4+ years designing large-scale distributed systems and microservices, mastery of Java/Go/Python, API design (REST, gRPC), databases (SQL, NoSQL), and experience integrating AI development tools.
GitHub Copilot, Devin, Java, Go, Python, REST, gRPC, SQL, NoSQL, React, Angular
1mo
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Senior System Integration Engineer (Data Platform)
Toronto, Ontario, Canada
$80k-$110k/yr HybridFull Time
Cognizant
CognizantNasdaq: CTSH: Provides global information technology and business process outsourcing services.
6+ YOE6+ years in system integration and API development, 4+ years with data infrastructure, strong diagnostic and root-cause skills, experience with AI coding assistants, excellent technical writing and documentation.
GitHub Copilot, Windsurf, Claude, CI/CD
2mo
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Lead Software Engineer, Finance System
Toronto, Ontario, Canada
$111k-$153k/yr OnsiteFull Time
Element Fleet Management
Element Fleet ManagementToronto Stock Exchange: EFN: Provides commercial vehicle leasing and comprehensive fleet management services.
8+ YOE8+ years in software development and system integration; strong OO, API development, microservices; cloud, CI/CD, DevOps; ERP/financial systems experience.
Java, C#, Python, JavaScript/TypeScript, Cloud platforms, CI/CD, DevOps, APIs, Microservices, Mainframe integrations, COBOL, CICS, DB2, MQ
1d
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System Integrator (Renewable)
Guelph or Calgary or Toronto or Mississauga or Burlington or London or Bowmanville
$67k-$93k/yr OnsiteFull Time
CIMA+
CIMA+: Delivers multidisciplinary engineering, consulting, and project management services.
3+ YOE3+ years system integration/SCADA experience, PAC/PLC/RTU programming, SCADA/HMI development, networking and virtualization familiarity, Python and SQL knowledge, valid driver's license.
Schneider Modicon, Allen-Bradley, GE, SEL, NovaTech, Inductive Automation Ignition, Wonderware InTouch, GE Proficy iFix, VTscada, DNP3, Modbus, OPC-UA, IEC61850, IEC61131, ESXi, HyperV, Python, MySQL, SQL, SQL Server Reporting Services, ADMS, DERMS, RTAC
3w
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Project System Design Specialist
Toronto, Ontario, Canada
$117k-$150k/yr OnsiteFull Time
Hitachi
HitachiTokyo Stock Exchange: 6501: Global provider of digital systems and social infrastructure solutions.
6+ YOEBachelor's in engineering/CS, 6–10 years software-based system development experience, 3–5 years URS/CBTC system expertise, experience leading technical teams, knowledge of systems lifecycle and software engineering practices.
DOORS, Polarion, Melody Advance
1mo
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Staff Engineer – Software Development, Architecture, Security & Governance
Toronto, Ontario, Canada
OnsiteFull Time
Royal Bank of Canada
Royal Bank of CanadaTSX: RY: Provides personal, commercial, and investment banking services worldwide.
10+ YOEBachelor's in CS/Engineering, 10+ years software engineering (≥2 years in staff-level technical leadership), deep distributed systems experience, strong Python proficiency (FastAPI), MongoDB, LLMs/RAGs/chatbots, API design, system design, and mentoring.
Python, FastAPI, MongoDB, OpenAI, Anthropic, LangChain, NodeJS, Java, C++, AWS, Azure, Google Cloud, Docker, Kubernetes, Apigee, SSO, SSL, LLMs, RAGs, MLOps, DevOps, AI Agents
2mo
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Development Manager
Toronto, Ontario, Canada
$130k-$155k/yr HybridFull Time
Priceline
PricelineNASDAQ: BKNG: Online platform for booking flights, hotels, and rental cars.
Engineering leader with experience building high-scale systems; strong collaboration with product and architecture; expertise in API design and microservices.
Java, Node.js, React, Python, GCP, Oracle PL/SQL, E-Business Suite (EBS)
2d
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Sr. Consultant, Back End Developer- Java/Microservices/System Design
Toronto, Ontario, Canada
HybridFull Time
CIBC
CIBCToronto Stock Exchange: CM: Provides personal, commercial, and investment banking and wealth management.
10+ YOE10+ years designing and developing Java-based microservices and system designs; strong experience with APIs, RDBMS/SQL, cloud-native tooling; Bachelor's degree or equivalent required.
Java, Spring Boot, RDBMS, SQL, Micro-services, J2EE, SOAP, REST, gRPC, Quarkus, JSON, Docker, PodMan, Maven, Gradle, Postman, Junit, Jenkins, GIT, OpenAPI/Swagger, OAuth2, JWT, Python, LLM, Vector Databases, RAG
4d
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Digital Sales Engineer / Market Development Manager
Pointe-Claire or Dartmouth or Mount Pearl or Mississauga or Sudbury or Fredericton
HybridFull Time
Xylem
XylemNYSE: XYL: Manufacturer of water transport, treatment, and testing technologies.
5+ YOEBachelor's in Electrical Engineering,5+ years in automation/control,water industry knowledge,consultative selling,CRM experience,PLC/telemetry/control systems knowledge,excellent communication,fluent English and French.
Programmable Logic Controllers (PLCs), Telemetry systems, CRM, Salesforce.com
2w
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Senior Software Development Engineer in Test (SDET) - AI Cluster
Toronto, Ontario, Canada
HybridFull Time
Cerebras Systems
Cerebras SystemsNasdaq: CBRS: Manufactures specialized computer chips designed for AI.
5+ YOE5+ years testing enterprise/distributed systems or datacenter hardware/software; strong coding in python,golang or C/C++; strong debugging and OS knowledge; experience with cloud, Kubernetes, monitoring tools.
python, golang, C/C++, pdb, gdb, strace, AWS, kubernetes, dockers, grafana, prometheus
3w
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Systems Engineer - Rail Signaling / Systems Engineer - Rail Signaling
Toronto, Ontario, Canada
HybridFull Time
SOGECLAIR
SOGECLAIREuronext Paris: ALSOG: Develops engineering solutions and products for the transportation industry
4+ YOEBachelor's in Engineering/CS,4+ years developing software-based system applications,5+ years URS/rail signaling or similar,knowledge of SDLC and modern software engineering,CBTC domain expertise.
DOORS, Polarion, Melody Advance