Senior Backend Engineer Job at Randstad (Lisboa)

Senior Backend Engineer Software

We are looking for a Senior Backend Engineer to join our Cortex Platform team an...

Location

Israel , Tel Aviv

Salary:

Not provided

Palo Alto Networks

Expiration Date

Until further notice

Requirements

BSc in Computer Science or equivalent knowledge or equivalent military experience required
4+ years of software engineering experience
Experience in distributed cloud products
Experienced with a variety of database technologies (Mysql / Cassandra / Google BigQuery Amazon Redshift / ElasticSearch / Neo4J)
Experience in designing, building and maintaining a scalable server–side application
Knowledge of the cyber field

Job Responsibility

Design and build an infrastructure that supports billions of events per second, storing, processing and making them accessible and visible to the user while collaborating with the industry's leading cyber products
Be responsible for the complete software development life cycle including requirement analysis, design, development, deployment, and support
Write clean, testable, readable, fast and maintainable code that is efficient and scalable

What we offer

FLEXBenefits wellbeing spending account with over 1,000 eligible items selected by employees
Mental and financial health resources
Personalized learning opportunities

Senior Backend Engineer

As a Senior Backend Engineer, you will play a crucial role in leading the develo...

Location

United States

Salary:

153000.00 - 188000.00 USD / Year

Corelight

Expiration Date

Until further notice

Requirements

Strong appreciation and support for our core values: low ego results, tireless service, and applied curiosity
5+ years of professional software development experience
Experience building REST APIs / GraphQL to support a rich data-heavy visual user interface
Experience using AWS Services (Lambda, AppSync, API Gateway) or equivalent
Experience with Python, Java/Scala and/or Go
Knowledge of Relational and NoSQL databases
Experience adopting & using Agile development methodologies
Excellent communication skills
Bachelor's degree in Computer Science or related fields, or equivalent experience

Job Responsibility

Work in an Agile development team to design and deliver service features end-to-end from design to production deployment and monitoring
Design, develop and operate scalable, elastic and secure microservices based on serverless architectures
Design, develop and maintain robust and scalable Machine Learning and Data Analytics pipelines
Build REST APIs / GraphQL services to interface with large datasets and analytics using AWS technologies and services like AWS Lambda, API Gateway, DynamoDB, S3, and Cloudwatch
Evangelize and drive adoption of software development best practices in code health, quality, test stability and maintainability

What we offer

Equity and additional benefits
Commission-based or discretionary bonus

Fulltime

Senior Backend Engineer

Join the Tonsser Team as a Senior Backend Engineer. Tonsser is where youth footb...

Location

Salary:

62000.00 - 72000.00 EUR / Year

Tonsser

Expiration Date

Until further notice

Requirements

You have minimum 5 years of experience working as a Backend Engineer
You've built and architected well crafted and scalable APIs using Ruby on Rails or a similar web framework
Comfortable with REST, JSON and at least a curiosity into GraphQL
Experience working with relational databases like PostgreSQL or MySQL
Detail-oriented, focusing on writing high quality maintainable code
Writing unit and integration tests to ensure that your code is rock solid is a natural part of your workflow
Is a team player who strives to improve not only themselves, but everyone around them
Values developer productivity by automating as many things possible in your daily workflow
Knowledge around running resilient and scalable distributed services
Be fluent in English

Job Responsibility

Development and maintenance of our expansive Ruby on Rails API, the core component used across our various platforms, including iOS, Android, React, and Admin
Embracing our monolithic architecture, enhancing it for simplicity and expandability
Involved in all phases of product development, from brainstorming to deployment and refinement

What we offer

100% Work from home flexibility / Remote Friendly
Free choice of devices and other setups that you need

Fulltime

Senior Software Engineer (Backend)

Tekmetric is looking for a Senior Software Engineer (Backend) to take part in th...

Location

Salary:

Not provided

Tekmetric

Expiration Date

Until further notice

Requirements

5+ years software engineering experience
Experience with Java and SQL databases (2+ years)
Enjoy working in fast moving and dynamic environments
High standards and a strong work ethic
Strong product sense and communication skills
Experience working cross-functionally and can work within ambiguity
Enjoy bringing innovation and impact to customers

Job Responsibility

Design and implement scalable services and applications that enable positive user experiences and measurable business growth
Provide implementation estimates and evaluations of different solutions
Collaborate with and across agile teams to design, develop, test, and support technical solutions
Ensure application performance, uptime, and scale, maintaining high standards of code quality and thoughtful application design
Manage the end-to-end life cycle on the development of new features
Provide technical leadership, mentorship and growth to junior team members as we scale

What we offer

Flexibility of remote work
Competitive base salaries
Generous Paid Time Off
Paid maternity, parental bonding, and medical leave
Comprehensive health benefits (Medical, Dental, Vision, Prescription)
Free, confidential counseling through BetterHelp
401(k) Retirement Savings Plan with 100% employer match on contributions up to 6%
Flexible Spending Accounts (FSA) and Health Savings Accounts (HSA)
Life and Accidental Death & Dismemberment (AD&D) Insurance
Up to $60/month toward fitness or mental health

Senior Software Engineer - Backend

We build simple yet innovative consumer products and developer APIs that shape h...

Location

United States , New York

Salary:

180000.00 - 270000.00 USD / Year

Plaid

Expiration Date

Until further notice

Requirements

5+ years of experience with extensive experience in software engineering with a proven track record of shipping successful projects
Experience with MySQL or other relational databases
Experience working with microservices
Excellent coding, testing, and system design skills
Prior experience with cross functional collaboration, communication and project management skills
Demonstrated leadership skills and the ability to mentor and guide junior engineers
Ability to work with operations, product, design, and data science

Job Responsibility

Design & Development: Build and maintain backend services with a focus on performance, reliability and scalability
Collaboration: Work closely with product managers and other stakeholders to define and implement new features that meet product and customer needs
Code Quality: Write clean, maintainable and efficient code
Testing & Debugging: Develop automated tests to ensure the quality and reliability of the codebase. Troubleshoot and resolve issues
Engage in hands-on coding and architectural design, setting and maintaining high technical standards for a high performing team
Grow the team via mentorship and leadership, reviewing technical documents and code changes

What we offer

medical
dental
vision
401(k)

Fulltime

Senior Software Engineer - Backend

We build simple yet innovative consumer products and developer APIs that shape h...

Location

United States , San Francisco

Salary:

180000.00 - 270000.00 USD / Year

Plaid

Expiration Date

Until further notice

Requirements

5+ years of experience with extensive experience in software engineering with a proven track record of shipping successful projects
Experience with MySQL or other relational databases
Experience working with microservices
Excellent coding, testing, and system design skills
Prior experience with cross functional collaboration, communication and project management skills
Demonstrated leadership skills and the ability to mentor and guide junior engineers
Ability to work with operations, product, design, and data science

Job Responsibility

Design & Development: Build and maintain backend services with a focus on performance, reliability and scalability
Collaboration: Work closely with product managers and other stakeholders to define and implement new features that meet product and customer needs
Code Quality: Write clean, maintainable and efficient code
Testing & Debugging: Develop automated tests to ensure the quality and reliability of the codebase. Troubleshoot and resolve issues
Engage in hands-on coding and architectural design, setting and maintaining high technical standards for a high performing team
Grow the team via mentorship and leadership, reviewing technical documents and code changes

What we offer

medical
dental
vision
401(k)

Fulltime

Senior Backend Engineer

Build the execution layer powering the next generation of intelligent systems. W...

Location

United States , New York

Salary:

Not provided

Orbis Consultants

Expiration Date

Until further notice

Requirements

Strong backend/system design experience, with production ownership
Proficiency in Rust (or another systems language with willingness to ramp up)
Solid SQL skills and experience with PostgreSQL or similar relational DBs
Experience with distributed systems patterns: messaging, retries, idempotency, state
Familiarity with Redis, real-time delivery (SSE/WebSockets), and pub/sub systems (Kafka or NATS)
Understanding of auth/authz, multi-tenancy, and secure API design
Comfortable working in a fast-paced, on-site environment with tight feedback loops

Job Responsibility

Design and build Rust-first backend services for executing and managing graph/DAG-based workflows
Own job orchestration systems with multiple execution modes: blocking, streaming, fire-and-forget
Implement core features for idempotency, replay, backpressure, and retries
Strengthen platform-wide tenant isolation, access control, and security
Optimise PostgreSQL schemas, indexing, and query performance
own data migrations
Ship reliable, observable systems with strong telemetry and operational tooling
Partner with product, frontend, and data teams to ship production-ready features quickly

What we offer

Equity
Full benefits & perks
Visa sponsorship available

Fulltime

Senior Software Engineer, Backend

Kiddom is a groundbreaking educational platform that promotes student equity and...

Location

United States , San Francisco

Salary:

160000.00 - 220000.00 USD / Year

Kiddom

Expiration Date

Until further notice

Requirements

BS or MS in Computer Science or a related field
6+ years professional software engineering experience
Experience scaling integration systems
Proficiency in working with databases (SQL & NoSQL) such as PostgreSQL, MySQL, MongoDB, or Redis
Experience with cloud platforms like AWS, GCP, or Azure, and containerization tools like Docker and Kubernetes
Experience with microservices architecture and distributed systems
Strong knowledge of design patterns and software engineering best practices
You've been through the planning, launching and refactoring phases of code you wrote
Excellent problem solving and debugging skills
Ability to work as part of a collaborative team in a fast-paced environment

Job Responsibility

Design, develop, and maintain backend services, APIs, and databases
Ensure the scalability, security, and performance of backend systems
Collaborate with frontend engineers, product managers, and other stakeholders to deliver high-quality features
Optimize applications for performance, reliability, and scalability
Conduct code reviews and provide mentorship to junior engineers
Troubleshoot and resolve production issues, ensuring system uptime and reliability
Work with our customers to troubleshoot issues and bugs and also help with Kiddom onboarding

What we offer

The opportunity to make a measurable impact in K-12 education
Competitive salary and equity in a hyper-growth, mission-driven organization
Full health benefits: medical, dental, and vision
Flexible vacation policy
401k
An inclusive, positive team culture
A passionate, collaborative team obsessed with building transformative education technology
Meaningful equity
Health insurance benefits: medical (various PPO/HMO/HSA plans), dental, vision, disability and life insurance
One Medical membership (in participating locations)

Fulltime

Senior Backend Engineer

Randstad

Location:
Portugal , Lisboa

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:
January 06, 2026

Expiration:
January 18, 2026

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Senior Backend Engineer

Randstad

Location:Portugal , Lisboa

Category:IT - Software Development

Contract Type:Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:January 06, 2026

Expiration:January 18, 2026

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Location:
Portugal , Lisboa

Category:
IT - Software Development

Contract Type:
Not provided

Job Posted:
January 06, 2026

Expiration:
January 18, 2026