CrawlJobs Logo

Mid-level Backend Engineer

alphasights.com Logo

AlphaSights

Location Icon

Location:
Portugal

Category Icon

Job Type Icon

Contract Type:
Not provided

Salary Icon

Salary:

Not provided

Job Description:

We are looking for highly talented and driven Backend Software Engineers who take pride in their work, to expand our Engineering team in Portugal. Successful candidates will join a cross functional team including product managers and designers working closely with the rest of our business to deliver working code that solves real problems for both internal and external customers. You will take ownership of the problems that your team solves, ensuring a high level of quality in everything that we release, working as part of a top performing international development team.

Job Responsibility:

  • Design solutions to business problems and contribute to architectural vision
  • Ship working code (React frontend, Kotlin microservices with Postgres backend, some Ruby on Rails)
  • Deploy and iterate frequently
  • Build competency and use L&D budget for technical development
  • Maintenance and troubleshooting of services

Requirements:

  • Degree in a STEM subject (or equivalent experience)
  • 3+ years of experience working at a similar level in a mature Engineering team
  • Technical expertise with at least one programming language (Kotlin, Ruby)
  • Experience with relational databases
  • Proven track record of demonstrable impact in previous roles
  • Highly driven and proactive
  • Meticulous with high standards and obsessive attention to detail

Additional Information:

Job Posted:
December 17, 2025

Employment Type:
Fulltime
Work Type:
Remote work
Job Link Share:

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

Briefcase Icon

Similar Jobs for Mid-level Backend Engineer

Mid-level Backend Engineer

We are looking for highly talented and driven software engineers who take pride ...
Location
Location
Brazil
Salary
Salary:
Not provided
alphasights.com Logo
AlphaSights
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Degree in a STEM subject (or equivalent experience)
  • 3+ years of experience working at a similar level in a mature Engineering team
  • Technical expertise with at least one programming language (Kotlin, Ruby)
  • Experience with relational databases
  • Proven track record of demonstrable impact
  • Highly driven and proactive
  • Meticulous with high standards and obsessive attention to detail
Job Responsibility
Job Responsibility
  • Design solutions to business problems and contribute to architectural vision
  • Ship working code primarily with React, Kotlin microservices, Postgres, Ruby on Rails, and Python
  • Deploy and iterate using CI/CD tools like CircleCI and Spinnaker
  • Build competency through learning and development
  • Maintenance and troubleshooting of services
What we offer
What we offer
  • L&D budget to fast-track development of specific technical competencies
  • Fulltime
Read More
Arrow Right

Mid-level Backend Engineer

We are looking for highly talented and driven software engineers who take pride ...
Location
Location
United Kingdom , London
Salary
Salary:
Not provided
alphasights.com Logo
AlphaSights
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Degree in a STEM subject (or alternative route)
  • 3+ years of experience working at a similar level in a mature Engineering team
  • Technical expertise with Java or Kotlin
  • Experience with relational databases
  • Proven track record of demonstrable impact in previous roles
  • Highly driven and proactive
  • Meticulous with high standards and obsessive attention to detail
Job Responsibility
Job Responsibility
  • Design solutions and contribute to architectural vision
  • Ship working code primarily with React on frontend and Kotlin microservices with Postgres on backend
  • Deploy and iterate using CircleCI and Spinnaker for CI/CD
  • Build competency and learn quickly
  • Maintenance and troubleshooting of services
What we offer
What we offer
  • L&D budget to fast-track development of specific technical competencies
  • Fulltime
Read More
Arrow Right

Mid-level Fullstack Engineer

We are looking for highly talented and driven software engineers who take pride ...
Location
Location
United States , New York
Salary
Salary:
140000.00 USD / Year
alphasights.com Logo
AlphaSights
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Degree in a STEM subject (or equivalent experience)
  • Experience working at a similar level in a mature Engineering team
  • Technical expertise with at least one popular backend language (ideally Java or Kotlin)
  • Experience with ElasticSearch
  • Familiarity with frontend frameworks such as React
  • Proven track record of demonstrable impact
  • Highly driven and proactive
  • Meticulous with high standards and obsessive attention to detail
Job Responsibility
Job Responsibility
  • Design solutions and contribute to architectural vision
  • Ship working code primarily with React, Kotlin microservices, Postgres, and Ruby on Rails
  • Deploy and iterate using CI/CD tools like CircleCI and Spinnaker
  • Build competency and use L&D budget for technical development
  • Maintenance and troubleshooting of services
What we offer
What we offer
  • Potential for bonus
  • Fulltime
Read More
Arrow Right

Principal Backend Engineer, Forward Deployed

As a Principal Forward Deployed Engineer (FDE) at Invisible, you'll lead high-im...
Location
Location
United States , Austin; New York; San Francisco Bay Area; Washington DC–Baltimore
Salary
Salary:
225000.00 - 370000.00 USD / Year
invisible.co Logo
Invisible Technologies
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 12+ years of software engineering experience, including significant time spent building data, ML, or backend systems
  • Deep proficiency in Python with hands-on experience using Hugging Face, LangChain, OpenAI, Pinecone, and related ecosystems
  • Skilled in full-stack and API-based deployment patterns, including Docker, FastAPI, Kubernetes, and cloud environments (GCP, AWS)
  • Experienced with workflow orchestration libraries, pub/sub systems (Kafka), and schema governance
  • Expertise in data governance and operations, including Unity Catalog and policy management, cluster/job orchestration, data contracts and quality enforcement, Delta/ETL pipelines, and replay processes
  • Strong product and system design instincts — you understand business needs and how to translate them into technical architecture
  • Experience building usable systems from messy data and ambiguous requirements
  • Excellent communication and client-facing skills
  • you’ve led conversations with technical and non-technical stakeholders alike
  • Proven experience owning projects from scoping through deployment in ambiguous, high-stakes environments
Job Responsibility
Job Responsibility
  • Partner with delivery and executive stakeholders to scope, design, and lead implementation of AI-driven solutions
  • Identify transformational opportunities in messy, ambiguous workflows and turn them into repeatable systems
  • Lead architecture design and trade-off discussions across performance, scalability, cost, and reliability
  • Own projects from first discovery call through full deployment — including client-facing delivery, internal coordination, and post-launch iteration
  • Build shared infrastructure, reusable components, and internal playbooks to level-up the team
  • Coach and mentor mid-level engineers and help shape the culture of forward-deployed AI engineering at Invisible
What we offer
What we offer
  • bonus
  • equity
  • Fulltime
Read More
Arrow Right

Senior Backend Engineer

As a Senior Backend Engineer, you will play a critical role in designing and bui...
Location
Location
India , Bangalore
Salary
Salary:
Not provided
ethoslife.com Logo
Ethos
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 7+ years of full-time engineering experience, ideally in high-scale, high-complexity environments
  • Demonstrated experience designing and delivering backend architectures from the ground up
  • Strong understanding of distributed systems, API design, and performance tradeoffs
  • Hands-on engineering experience with several of the following: TypeScript, Go, Python, PostgreSQL, Kubernetes, React, AWS
  • Skilled in software engineering best practices: design patterns, testing strategies, observability, code quality, and secure development
  • Excellent verbal and written communication skills
  • able to explain complex ideas to technical and non-technical stakeholders
  • Proven ability to lead cross-team initiatives, drive alignment, and influence technical direction
  • High degree of ownership, proactive problem-solving, and the ability to operate with urgency when needed
  • Strong CS fundamentals including data structures, algorithms, and understanding of security principles and common attack vectors
Job Responsibility
Job Responsibility
  • Lead the design, development, and maintenance of complex backend systems and distributed services
  • Partner cross-functionally with engineers, PMs, designers, and non-technical stakeholders to drive projects from concept to launch
  • Architect, build, and evolve API frameworks and platform capabilities used across multiple teams
  • Produce clean, modular, well-tested, and high-performing code and abstractions
  • Identify, diagnose, and resolve performance, scalability, and reliability issues
  • Champion engineering best practices and drive consistency across the codebase
  • Participate in—and help elevate—the team’s code review process
  • Clearly communicate technical decisions, tradeoffs, and project updates to diverse audiences
  • Mentor and support junior and mid-level engineers, fostering a culture of growth and high performance
  • Take end-to-end ownership of major projects, including requirements clarification, design, execution, and rollout
  • Fulltime
Read More
Arrow Right

Senior Backend Engineer

As a Backend Engineer, you'll work across the stack and be responsible for build...
Location
Location
Singapore , Singapore
Salary
Salary:
Not provided
ethoslife.com Logo
Ethos
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 7+ years of full-time engineering experience, ideally in high-scale, high-complexity environments
  • Demonstrated experience designing and delivering backend architectures from the ground up
  • Strong understanding of distributed systems, API design, and performance tradeoffs
  • Hands-on engineering experience with several of the following: TypeScript, Go, Python, PostgreSQL, Kubernetes, React, AWS
  • Skilled in software engineering best practices: design patterns, testing strategies, observability, code quality, and secure development
  • Excellent verbal and written communication skills
  • able to explain complex ideas to technical and non-technical stakeholders
  • Proven ability to lead cross-team initiatives, drive alignment, and influence technical direction
  • High degree of ownership, proactive problem-solving, and the ability to operate with urgency when needed
  • Strong CS fundamentals including data structures, algorithms, and understanding of security principles and common attack vectors
Job Responsibility
Job Responsibility
  • Lead the design, development, and maintenance of complex backend systems and distributed services
  • Partner cross-functionally with engineers, PMs, designers, and non-technical stakeholders to drive projects from concept to launch
  • Architect, build, and evolve API frameworks and platform capabilities used across multiple teams
  • Produce clean, modular, well-tested, and high-performing code and abstractions
  • Identify, diagnose, and resolve performance, scalability, and reliability issues
  • Champion engineering best practices and drive consistency across the codebase
  • Participate in—and help elevate—the team’s code review process
  • Clearly communicate technical decisions, tradeoffs, and project updates to diverse audiences
  • Mentor and support junior and mid-level engineers, fostering a culture of growth and high performance
  • Take end-to-end ownership of major projects, including requirements clarification, design, execution, and rollout
  • Fulltime
Read More
Arrow Right

Principal Software Engineer, Trusted Data Platform

As a Principal Software Engineer, you will be a technical leader and hands-on co...
Location
Location
India , Bangalore
Salary
Salary:
Not provided
https://www.atlassian.com Logo
Atlassian
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a related technical field
  • 10+ years of experience in backend software development, focusing on distributed systems and storage solutions
  • 5+ years of experience working with AWS storage services (S3, DynamoDB, EBS, EFS, FSx, Glacier)
  • Strong expertise in system design, architecture, and scalability for large-scale storage solutions
  • Proficiency in at least one major backend programming language (Kotlin, Java, Go, Rust, or Python)
  • Experience designing and implementing highly available, fault-tolerant, and cost-efficient storage architectures
  • Deep understanding of distributed systems, replication strategies, sharding, and caching
  • Knowledge of data security, encryption best practices, and compliance requirements (SOC2, GDPR, HIPAA)
  • Experience leading engineering teams, mentoring senior engineers, and driving technical roadmaps
  • Proficiency with observability tools, performance monitoring, and troubleshooting at scale
Job Responsibility
Job Responsibility
  • Designing and optimizing high-scale, distributed storage systems built on AWS storage technologies
  • Shaping the architecture, performance, and reliability of backend storage solutions that power critical applications at scale
  • Designing, implementing, and optimizing backend storage services that support high throughput, low latency, and fault tolerance
  • Working closely with senior engineers, architects, and cross-functional teams to drive scalability, availability, and efficiency improvements in large-scale storage solutions
  • Leading technical deep dives, architecture reviews, and root cause analyses to resolve complex production issues related to storage performance, consistency, and durability
  • Driving best practices in distributed system design, security, and cloud cost optimization
  • Mentoring senior engineers, contributing to technical roadmaps, and helping shape the long-term storage strategy
  • Collaborating with Site Reliability Engineers (SREs) to implement observability, monitoring, and disaster recovery strategies, ensuring high availability and compliance with industry standards
  • Advocating for automation, Infrastructure-as-Code (IaC), and DevOps best practices, leveraging tools like Terraform, AWS CloudFormation, Kubernetes (EKS), and CI/CD pipelines to enable scalable deployments and operational excellence
What we offer
What we offer
  • Atlassians can choose where they work – whether in an office, from home, or a combination of the two
  • Atlassians have more control over supporting their family, personal goals, and other priorities
  • We can hire people in any country where we have a legal entity
  • Interviews and onboarding are conducted virtually
  • Whatever your preference - working from home, an office, or in between - you can choose the place that's best for your work and your lifestyle
Read More
Arrow Right
New

Mid-level Backend Software Engineer

EveryMatrix is a leading B2B SaaS provider delivering iGaming software, content ...
Location
Location
Croatia , Zagreb
Salary
Salary:
2600.00 - 4000.00 EUR / Month
everymatrix.com Logo
EveryMatrix
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 3+ years of experience in software development, with at least 1 year in a Mid-level Backend role
  • Advanced knowledge of Node.js or similar technologies
  • University technical degree
  • Experience with databases (PostgreSQL, MySQL, MongoDB, etc.)
  • Experience in building scalable systems, microservices, and designing RESTful APIs
  • Advanced English skills in speaking and writing
Job Responsibility
Job Responsibility
  • Design, implement, and maintain Node.js microservices
  • Write clean, maintainable, and well-tested code
  • Mentor junior developers and conduct code reviews
  • Troubleshoot and resolve complex production issues
What we offer
What we offer
  • Flexible hybrid work schedule after first three months
  • Sliding work schedule (start anytime between 8:00 to 10:00 am)
  • 23 days of annual leave, increasing to 33 days
  • Two Free Fridays each year
  • 21 weeks of paid maternity leave with work from home until child turns 1
  • 4 weeks of paternity leave with work from home until child is 13 weeks old
  • Office parking
  • On-site massages
  • Frequent team-building activities
  • Monthly meal allowance
  • Fulltime
Read More
Arrow Right