Sr./Staff Backend Engineer - Java Job at Oscilar

New

Sr./Staff Backend Engineer - Java

As a Backend Engineer at Oscilar, you will be responsible for designing, buildin...

Location

Canada

Salary:

Not provided

Oscilar

Expiration Date

Until further notice

Requirements

Bachelor's or Master's degree in Computer Science, Software Engineering, or a related field
5+ years of experience in backend software development, with a focus on Java and AWS technologies
Strong experience in building and operating low latency, high scale services in a distributed environment
Proficient in Java programming, with a deep understanding of its ecosystem and related frameworks
Knowledge of microservices architecture, containerization technologies (Docker, Kubernetes), and distributed data systems (Kafka, Clickhouse)
Familiarity with RESTful API design, and a strong understanding of security best practices
Experience with CI/CD tools (Jenkins, Git, Maven, Gradle) and agile development methodologies
Excellent problem-solving skills, attention to detail, and a strong ability to work independently or as part of a team
Strong communication skills, both written and verbal

Job Responsibility

Design and develop scalable, high-performance, low-latency backend services using Java and AWS technologies
Collaborate with the product management, frontend, and QA teams to define technical requirements and ensure smooth integration with other components of the platform
Optimize and enhance existing services to achieve maximum performance, reliability, and maintainability
Identify and resolve bottlenecks in the system, ensuring optimal resource utilization and system stability
Implement best practices for code quality, testing, and deployment, including continuous integration and continuous deployment (CI/CD) pipelines
Proactively monitor the health and performance of backend services, taking necessary actions to mitigate potential issues
Provide technical guidance and mentorship to junior team members

What we offer

Competitive salary and equity packages, including a 401k
Remote-first culture — work from anywhere
100% Employer covered comprehensive health, dental, and vision insurance with a top tier plan for you and your dependents (US)
Unlimited PTO policy
AI First company
both Co-Founders are engineers at heart
and over 50% of the company is Engineering and Product
Family-Friendly environment
Regular team events and offsites
Unparalleled learning and professional development opportunities

Fulltime

New

Sr./Staff Backend Engineer - Java/Kafka

Shape the future of trust in the age of AI. At Oscilar, we're building the most ...

Location

Poland

Salary:

Not provided

Oscilar

Expiration Date

Until further notice

Requirements

8+ years of experience with Java in large-scale, distributed environments
Extensive experience with Apache Kafka, including Kafka Streams, Kafka Connect, partitioning, replication, and consumer group management
Strong experience with AWS services (e.g., MSK, EC2, RDS, DynamoDB, S3, Lambda)
Solid understanding of distributed system design, messaging patterns, and eventual consistency
Proven ability to diagnose and resolve bottlenecks in streaming and database systems

Job Responsibility

Design, develop, and maintain scalable backend services using Java and AWS technologies
Lead the architecture, deployment, and optimization of Apache Kafka to support real-time data streaming across distributed systems
Build and manage Kafka topics, brokers, producers, and consumers, ensuring optimal performance and data consistency
Implement streaming solutions with Kafka Streams and Kafka Connect, focusing on high availability and low-latency processing
Collaborate with product, frontend, and data engineering teams to define technical requirements and deliver reliable, performant services
Design and maintain high-performance data storage solutions using Postgres, Redis, ClickHouse, and DynamoDB
Optimize database performance through schema design, indexing strategies, and resource partitioning
Implement best practices for infrastructure security, performance monitoring, and data integrity
Establish and maintain CI/CD pipelines for automated testing, deployment, and monitoring
Provide mentorship to junior engineers, conduct code reviews, and promote best practices in software development

Fulltime

New

Sr./Staff Android Developer

Shape the future of trust in the age of AI. At Oscilar, we're building the most ...

Location

Brazil

Salary:

Not provided

Oscilar

Expiration Date

Until further notice

Requirements

Strong proficiency in Java and Kotlin for Android development
Deep understanding of Android SDK, AOSP internals, and the Android application lifecycle
Experience with RESTful APIs, JSON, and integrating mobile applications with backend services
Familiarity with cloud computing concepts, data warehousing, and SQL
Knowledge of basic machine learning concepts such as supervised and unsupervised learning
Experience with version control systems, preferably Git
Proficiency in using Android Studio IDE, ADB, emulator etc
Excellent problem-solving abilities and attention to detail
Strong written and verbal communication skills
Ability to work effectively in a collaborative team environment

Job Responsibility

Lead the research, design, prototyping, implementation, and deployment of holistic end-to-end solutions in the Android domain
Develop and maintain highly stable, high-performance, and scalable Android client agents that meet the needs of our global enterprise clients
Collaborate closely with cross-functional teams, including product management, frontend, and DS, to define technical requirements and ensure smooth integration with other platform components
Stay updated on the latest capabilities of Android platforms, cloud technologies, and AI/ML frameworks to enhance our mobile solutions
Research and implement new innovations in mobile security as the Android landscape evolves, including popular third-party SDKs and APIs
Drive best practices for code quality, testing, and deployment, including continuous integration and continuous deployment (CI/CD) pipelines
Mentor junior developers and contribute to the overall growth of the mobile engineering team

What we offer

Competitive salary and equity packages, including a 401k
Remote-first culture — work from anywhere
100% Employer covered comprehensive health, dental, and vision insurance with a top tier plan for you and your dependents (US)
Unlimited PTO policy
AI First company
both Co-Founders are engineers at heart
and over 50% of the company is Engineering and Product
Family-Friendly environment
Regular team events and offsites
Unparalleled learning and professional development opportunities

Fulltime

New

Sr./Staff Android SDK Developer

Shape the future of trust in the age of AI. At Oscilar, we're building the most ...

Location

Salary:

Not provided

Oscilar

Expiration Date

Until further notice

Requirements

Strong proficiency in Java and Kotlin for Android development
Deep understanding of Android SDK, AOSP internals, and the Android application lifecycle
Experience with RESTful APIs, JSON, and integrating mobile applications with backend services
Familiarity with cloud computing concepts, data warehousing, and SQL
Knowledge of basic machine learning concepts such as supervised and unsupervised learning
Experience with version control systems, preferably Git
Proficiency in using Android Studio IDE, ADB, emulator etc
Excellent problem-solving abilities and attention to detail
Strong written and verbal communication skills
Ability to work effectively in a collaborative team environment

Job Responsibility

Lead the research, design, prototyping, implementation, and deployment of holistic end-to-end solutions in the Android domain
Develop and maintain highly stable, high-performance, and scalable Android client agents that meet the needs of our global enterprise clients
Collaborate closely with cross-functional teams, including product management, frontend, and DS, to define technical requirements and ensure smooth integration with other platform components
Stay updated on the latest capabilities of Android platforms, cloud technologies, and AI/ML frameworks to enhance our mobile solutions
Research and implement new innovations in mobile security as the Android landscape evolves, including popular third-party SDKs and APIs
Drive best practices for code quality, testing, and deployment, including continuous integration and continuous deployment (CI/CD) pipelines
Mentor junior developers and contribute to the overall growth of the mobile engineering team

What we offer

Competitive salary and equity packages, including a 401k
Remote-first culture — work from anywhere
100% Employer covered comprehensive health, dental, and vision insurance with a top tier plan for you and your dependents (US)
Unlimited PTO policy
AI First company
both Co-Founders are engineers at heart
and over 50% of the company is Engineering and Product
Family-Friendly environment
Regular team events and offsites
Unparalleled learning and professional development opportunities

Fulltime

New

Pharmacy Manager

We’re building a world of health around every individual — shaping a more connec...

Location

United States , New York

Salary:

65.00 - 85.00 USD / Hour

CVS Health

Expiration Date

March 27, 2026

Requirements

Active Pharmacist License in the state where the Store is located
Active National Provider Identifier (NPI)
Not on the DEA Excluded Parties list
1-2 years of experience as a Pharmacist
Regular and predictable attendance, including nights and weekends
Ability to complete required training within designated timeframe
Ability to concentrate on a task over a period of time
Ability to pivot quickly from one task to another to meet patient and business needs
Ability to confirm prescription information and label accuracy, ensuring patient safety
Actively look for ways to help people, and do so in a friendly manner

Job Responsibility

Living our purpose by helping to manage and improve patient health through safe and appropriate dispensing, counseling, and immunizing practices
Overseeing the pharmacy team during bench shifts, including strengthening pharmacy performance measures through effective coaching and consistent follow-up of pharmacy team members
Supporting safe and accurate prescription fulfillment by following—and directing the pharmacy team to follow—pharmacy workflow procedures and utilizing the safety guardrails at every workstation
Contributing to positive patient experiences by showing empathy and genuine care, and coaching the pharmacy team to do the same: demonstrating compassionate care, collaborating with the patient’s total healthcare team, and proactively resolving insurance and/or medication issues
Proactively offering and delivering immunizations to keep patients healthy
identifying, engaging, and supporting Pharmacy Technicians to learn to immunize
Supporting the effective management of pharmacy inventory by following—and coaching the pharmacy team to follow—all inventory best practices, with a special focus on protecting cold chain products for our patients and our business
Conducting new Technician and Pharmacist onboarding for the store and district, including training on CVS workflow, and ensuring all trainees are on-track for timely completion of required training and/or licensure
Ensuring pharmacy operations are fully compliant with state Board of Pharmacy regulations at all times
escalating issues or concerns to the Rx DL for additional support if/as needed

What we offer

Affordable medical plan options
a 401(k) plan (including matching company contributions)
an employee stock purchase plan
No-cost programs for all colleagues including wellness screenings, tobacco cessation and weight management programs, confidential counseling and financial coaching
paid time off
flexible work schedules
family leave
dependent care resources
colleague assistance programs
tuition assistance

Fulltime

New

Business Development Representative

As a Business Development Representative (BDR) located in Brazil, you will play ...

Location

Brazil , Campinas

Salary:

Not provided

4flow AG

Expiration Date

Until further notice

Requirements

Degree in Business Administration, Marketing, International Relations, or a related field
Previous BDR / sales experience required, preferably in B2B SaaS, consulting, or supply chain/logistics industries
Fluent English skills, both written and spoken
Organized and detail-oriented
Comfortable managing lead pipelines and CRM systems
Strong skills in Excel and PowerPoint

Job Responsibility

Prospect and qualify potential customers in the US and North American market using platforms like LinkedIn Sales Navigator and tools such as Outreach, Reev, Meetime, Snov.io, HubSpot, and Salesforce HVS
Engage decision-makers (Director/C-level) via email, LinkedIn messaging, and cold calling to introduce 4flow’s supply chain services and software solutions
Schedule qualified meetings for 4flow Directors and VPs—this is your primary KPI
Conduct account-based research to support targeted campaigns, understand company priorities, and map key stakeholders across supply chain, logistics, and IT functions
Collaborate with marketing to optimize lead generation strategies and nurture prospective client relationships
Maintain detailed records of outreach activities, lead interactions, and pipeline status in CRM tools like Salesforce and HubSpot
Support sales activities across multiple industries, including automotive, consumer goods, retail, and industrial sectors

What we offer

Competitive base salary
Attractive bonus system
Caju multi-benefit card
Fuel or transportation allowance
Comprehensive health and dental plans fully covered for employees and dependents
Life insurance
Comprehensive well-being initiatives, including Wellhub, Employee Assistance Program for mental health, and dedicated committees for health and well-being
Outstanding opportunities for individual development (e.g., individual learning budget, access to LinkedIn Learning and internal training program)
Hybrid working model for flexibility and work-life balance
Exciting international projects

Fulltime

New

Senior Technology Architect

We are seeking a Technology Architect with senior-level expertise in IBM RACF to...

Location

Canada , Toronto

Salary:

Not provided

Randstad

Expiration Date

March 29, 2026

Requirements

15+ years of hands-on experience in IBM RACF administration within z/OS environments
Extensive experience using the IBM zSecure suite for auditing and security automation
10+ years of experience leading complex mainframe projects, including installations, setups, migrations, and version upgrades
Solid understanding of z/OS internals, including TSO/ISPF, JCL, and JES2/3
Demonstrated experience with regulatory frameworks such as SOX, PCI DSS, or HIPAA, and a strong grasp of access control best practices
Exceptional ability to translate technical security risks into business impact insights for both technical and non-technical audiences

Job Responsibility

Expert RACF Administration: Provide high-level support and administration for IBM RACF, including the analysis of access violations and the remediation of audit findings
Mainframe Security Maintenance: Execute SSL/TLS certificate renewals and utilize security utilities such as IRRUT200/IRRUT400 and SETROPTS to maintain system integrity
Audit & Automation: Leverage the IBM zSecure suite to perform security auditing and automate complex RACF tasks
Operational Leadership: Lead incident, problem, and change management activities (CRQs), performing root-cause analysis for security-related issues
Disaster Recovery: Support RACF-related aspects of business resumption planning and participate in annual contingency and disaster recovery testing
Technical Consultation: Act as a mentor to internal identity and access management (IAMP) staff and provide strategic guidance to ministry stakeholders
Mission-Critical Support: Provide Level-2 on-call support in a 24x7 environment to ensure continuous system availability

What we offer

Senior-Level Impact: Influence the security architecture of one of the province's largest and most critical mainframe environments
Complex Technical Scope: Work with high-end mainframe utilities and the latest zSecure auditing tools
Long-Term Project Engagement: Lead long-cycle migrations and upgrades that offer high professional visibility and technical challenge
Leadership Role: Provide mentorship and strategic consultation, shaping the technical standards and runbooks for future security operations

New

Business Development Manager

Business Development Manager role at 4flow SE, leading new business growth for t...

Location

United States , Atlanta, Royal Oak

Salary:

Not provided

4flow AG

Expiration Date

Until further notice

Requirements

5+ years of experience selling supply chain solutions or managed services (4PL experience strongly preferred)
Understanding of how logistics outsourcing and operational excellence drive measurable impact for clients
Deep domain knowledge in transportation, freight management, distribution, network operations, or supply chain planning
Ability to excel at simplifying complex concepts and presenting with clarity and confidence
Self-motivated, adaptable, and thrives in a fast-paced environment where innovation and continuous improvement are expected

Job Responsibility

Be a key member of the 4flow team, leading new business growth for 4flow’s 4PL managed services business line
Generate and develop new leads, expand the pipeline, and drive the sales cycle, strategically involving Business Line leaders in qualification and discovery to ensure alignment and solution fit
Support business line leaders in creating solution proposals, pitch presentations, and contract negotiations to close deals successfully
Cultivate trust-based customer relationships to uncover operational needs, qualify opportunities, and deliver value-driven solutions
Represent 4flow externally through conferences, trade shows, industry events, and other targeted networking opportunities
Contribute to thought leadership and marketing collateral to strengthen our market presence
Deliver tailored presentations and solution overviews, both on-site and virtually, in collaboration with Business Line leaders and solution engineers
Collaborate with internal stakeholders globally to present an organized approach to sales processes and target accounts
Identify, develop, and convert new business opportunities for 4flow’s 4PL managed services across North America
Maintain accountability for quota and revenue goals through robust pipeline and deal management

What we offer

Competitive compensation package
Rewarding bonus program
Comprehensive benefits plan
Clear vision, stability, and exceptional long-term career opportunities
Part of a highly international and fast-growing organization with a vibrant corporate culture

Sr./Staff Backend Engineer - Java

Oscilar

Location:
Brazil

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Additional Information:

Job Posted:
February 18, 2026

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