CrawlJobs Logo

Sr./Staff Backend Engineer - Java

oscilar.com Logo

Oscilar

Location Icon

Location:
Brazil

Category Icon

Job Type Icon

Contract Type:
Not provided

Salary Icon

Salary:

Not provided

Job Description:

As a Backend Engineer at Oscilar, you will be responsible for designing, building, and maintaining the core infrastructure that powers our SaaS platform. You will collaborate closely with cross-functional teams, ensuring the delivery of highly reliable, low latency, and scalable services that meet the needs of our global enterprise clients.

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.

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.

Additional Information:

Job Posted:
February 18, 2026

Employment Type:
Fulltime
Work Type:
Remote work
Job Link Share:
PREMIUM
More languages and countries
+ Unlock 31694 hidden job offers
Languages
English Čeština Deutsch Ελληνικά Español Français +15
Countries
United States United Kingdom India Canada Australia +
See plans
Plans from $2.99 / month

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

Briefcase Icon

Similar Jobs for Sr./Staff Backend Engineer - Java

Sr./Staff Backend Engineer - Java

As a Backend Engineer at Oscilar, you will be responsible for designing, buildin...
Location
Location
Canada
Salary
Salary:
Not provided
oscilar.com Logo
Oscilar
Expiration Date
Until further notice
Flip Icon
Requirements
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
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
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
Read More
Arrow Right

Sr./Staff Backend Engineer - Java/Kafka

Shape the future of trust in the age of AI. At Oscilar, we're building the most ...
Location
Location
Poland
Salary
Salary:
Not provided
oscilar.com Logo
Oscilar
Expiration Date
Until further notice
Flip Icon
Requirements
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
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
Read More
Arrow Right

Sr./Staff Android Developer

Shape the future of trust in the age of AI. At Oscilar, we're building the most ...
Location
Location
Brazil
Salary
Salary:
Not provided
oscilar.com Logo
Oscilar
Expiration Date
Until further notice
Flip Icon
Requirements
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
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
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
Read More
Arrow Right

Sr./Staff Android SDK Developer

Shape the future of trust in the age of AI. At Oscilar, we're building the most ...
Location
Location
Salary
Salary:
Not provided
oscilar.com Logo
Oscilar
Expiration Date
Until further notice
Flip Icon
Requirements
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
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
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
Read More
Arrow Right
New

Senior Lecturer/Associate Professor in Literacy

As a Senior Lecturer / Associate Professor in Literacy, you will play a key role...
Location
Location
Australia , Albury-Wodonga, Bathurst, Port Macquarie, Wagga Wagga
Salary
Salary:
Not provided
csu.edu.au Logo
Charles Sturt University
Expiration Date
June 08, 2026
Flip Icon
Requirements
Requirements
  • A doctoral qualification relevant to literacy or education, with a recognised teaching qualification
  • A strong record of high-quality teaching and student-centred learning
  • An established or emerging research profile aligned to literacy, curriculum or pedagogy
  • The ability to build productive partnerships and contribute to academic leadership
Job Responsibility
Job Responsibility
  • Lead impactful literacy teaching and research
  • Teach across online and on-campus environments
  • Shape future teachers and education practice
  • Contribute to curriculum innovation
  • Build strong relationships with students and partners
  • Provide academic leadership in literacy education
  • Contribute to the School's research profile
  • Supervise higher degree research students
  • Actively engage with professional, community and government stakeholders
  • At Associate Professor level: significant academic leadership, research impact, and contribution to the broader discipline at national/international level
What we offer
What we offer
  • 17% superannuation
  • Fulltime
Read More
Arrow Right
New

Program Manager - Controls and Avionics Solutions

This position is based in Endicott, New York. New York and on-site work will be ...
Location
Location
United States , Endicott
Salary
Salary:
120874.00 - 205486.00 USD / Year
baesystems.com Logo
Baesystems
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Bachelor’s degree in engineering, engineering or manufacturing management, or other discipline
  • Demonstrated ability for building strong customer/ stakeholder relationships
  • Strong communication, negotiation, and presentation skills
  • Ability to interpret data and make data-driven decisions
  • Highly adaptable with strong initiative
  • Demonstrated ability to lead and motivate cross-functional teams
  • Knowledge of the global aviation market and regulatory requirements and/ or military aviation market
Job Responsibility
Job Responsibility
  • Maintaining strong customer relationships and leading a multidisciplinary team to execute complex development programs within schedule and budget
  • Leadership and management oversight of a project team assuring that project’s financials, schedule, and technical objectives are met and that the highest level of customer satisfaction is achieved while meeting all contractual commitments
  • Work effectively and collaboratively with Engineering, Operations, and all Program Office functional leadership to assure deliveries continue to exceed customer commitments and achievement of financial commitments to the company
  • Manages, coordinates, plans, organizes, controls, integrates, and executes projects within the Military Aircraft Systems portfolio
  • Participates in the support of new business and in the development of proposals
What we offer
What we offer
  • Health insurance
  • Dental insurance
  • Vision insurance
  • Health savings accounts
  • 401(k) savings plan
  • Disability coverage
  • Life and accident insurance
  • Employee assistance program
  • Legal plan
  • Discounts on home, auto, and pet insurance
  • Fulltime
Read More
Arrow Right
New

Finance Business Partner (Research)

Full Time, Fixed Term (12 months). Level 7 - $101,421 to $110,819 p.a. (plus 17%...
Location
Location
Australia , Wagga Wagga
Salary
Salary:
101421.00 - 110819.00 AUD / Year
csu.edu.au Logo
Charles Sturt University
Expiration Date
June 02, 2026
Flip Icon
Requirements
Requirements
  • A degree in Accounting or Finance (professional accounting body membership is desirable)
  • Experience in project budgeting, forecasting and financial analysis
  • Background in management accounting or business partnering within complex environments
  • exposure to government funding or higher education is advantageous
  • Excellent stakeholder engagement skills, with the ability to work effectively with academics and researchers
  • Familiarity with business intelligence systems and dashboard reporting
Job Responsibility
Job Responsibility
  • Partner with academics to deliver strategic financial insights that enable research success
  • Directly influence world-class projects and decisions shaping the future of education and innovation
  • Lead initiatives that enhance financial governance, deliver accurate and timely reporting, and support key projects such as cost-pricing systems and research budgeting
  • Help build financial capability across the University, fostering collaboration and continuous improvement
What we offer
What we offer
  • Flexibility with a 35-hour work week
  • Access to hybrid work arrangements
  • 17% superannuation
  • Fulltime
Read More
Arrow Right
New

Associate Lecturer/ Lecturer in Oral Health

Make a real impact by educating future oral health professionals to serve the ur...
Location
Location
Australia , Wagga Wagga
Salary
Salary:
80046.00 - 134965.00 AUD / Year
csu.edu.au Logo
Charles Sturt University
Expiration Date
June 16, 2026
Flip Icon
Requirements
Requirements
  • A qualification relevant to the discipline and appropriate to the level being applied for
  • Full registration (for teaching/research) as a Dentist or Oral Health Therapist with the Australian Health Practitioner Regulation Agency (Ahpra)
  • Excellent understanding of the clinical practice of oral health therapy, supported by a record of teaching and subject coordination relevant to the discipline and appropriate to the level being applied for
  • Evidence of the delivery of high quality student-centred learning and teaching in oral health therapy and/or general dentistry
  • A record of research activity or capability relevant to the discipline and appropriate to the level being applied for, as outlined in the position descriptions, may facilitate the progression of research opportunities
Job Responsibility
Job Responsibility
  • deliver high-quality teaching, clinical supervision and learning experiences in Oral Health
  • work with students in both clinical and preclinical settings while contributing to curriculum development, industry engagement and community partnerships
What we offer
What we offer
  • Generous support provided to assist with relocating to Riverina’s beautiful Wagga Wagga or surrounds
  • 17% superannuation
  • Fulltime
Read More
Arrow Right