Mid-level Backend Engineer Job at AlphaSights (London)

Mid-level Fullstack Engineer

We are looking for highly talented and driven software engineers who take pride ...

Location

United States , New York

Salary:

140000.00 USD / Year

AlphaSights

Expiration Date

Until further notice

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

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

Potential for bonus

Fulltime

Mid-level Backend Engineer

We are looking for highly talented and driven Backend Software Engineers who tak...

Location

Portugal

Salary:

Not provided

AlphaSights

Expiration Date

Until further notice

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

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

Fulltime

Mid-level Backend Engineer

We are looking for highly talented and driven software engineers who take pride ...

Location

Brazil

Salary:

Not provided

AlphaSights

Expiration Date

Until further notice

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

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

L&D budget to fast-track development of specific technical competencies

Fulltime

Principal Backend Engineer, Forward Deployed

As a Principal Forward Deployed Engineer (FDE) at Invisible, you'll lead high-im...

Location

United States , Austin; New York; San Francisco Bay Area; Washington DC–Baltimore

Salary:

225000.00 - 370000.00 USD / Year

Invisible Technologies

Expiration Date

Until further notice

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

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

bonus
equity

Fulltime

Senior Backend Engineer

As a Senior Backend Engineer, you will play a critical role in designing and bui...

Location

India , Bangalore

Salary:

Not provided

Ethos

Expiration Date

Until further notice

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

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

Senior Backend Engineer

As a Backend Engineer, you'll work across the stack and be responsible for build...

Location

Singapore , Singapore

Salary:

Not provided

Ethos

Expiration Date

Until further notice

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

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

Principal Software Engineer, Trusted Data Platform

As a Principal Software Engineer, you will be a technical leader and hands-on co...

Location

India , Bangalore

Salary:

Not provided

Atlassian

Expiration Date

Until further notice

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

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

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

Principal Developer Full Stack

This is your chance to lead the charge in building high-impact, enterprise-grade...

Location

Bulgaria , Sofia

Salary:

Not provided

European Bank for Reconstruction and Development

Expiration Date

January 12, 2026

Requirements

Educated to degree level in Computer Science, Engineering, or a related field (or equivalent practical experience)
Expert-level proficiency in Java (17+) and Spring Boot, including deep architectural knowledge
Extensive experience working with a distributed system architecture and design principles
Strong experience with containerisation (Docker) and cloud deployments (Azure)
Understanding of Kubernetes and its core concepts
Experience with the Azure cloud platform, or a comparable cloud environment
Experience with enterprise-scale frontend development including JavaScript and Angular
Extensive experience designing and implementing relational databases, as well as working with non-relational databases such as MongoDB or Azure Cosmos DB
Experience with event-driven architecture and messaging patterns, including queuing and topic-based systems and strong familiarity with the JMS API
Deep understanding of performance optimisation and security best practices

Job Responsibility

Leads the development, enhancement, and maintenance of enterprise-grade full-stack applications using Java (Spring Boot) and Angular within a microservices and micro-frontend architecture
Provides technical leadership in designing and implementing scalable, maintainable, and high-performing backend and frontend solutions
Ensures best practices in API development, leveraging RESTful services, Open API, and Swagger for documentation
Provides technical leadership in implementation of DevOps practices, including Continuous Integration, Continuous Delivery (CI/CD), and infrastructure as code
Drives performance optimisation, code refactoring, and the adoption of modern development practices such as asynchronous processing and event-driven architectures
Stays up to date with emerging technologies, including AI-assisted development tools and cloud-based AI services, evaluating their relevance for business use cases
Collaborates with quality assurance peers and ensures adherence to Quality standards, test automation strategies, and continuous improvement processes on review of quality metrics
Champions a shift-left testing approach, ensuring security, performance, and compliance requirements are addressed early in the development lifecycle
Implements automated testing frameworks and continuous integration processes to improve software quality and maintainability
Fosters a culture of test-driven development (TDD), behaviour-driven development (BDD), and exploratory testing

What we offer

Varied, stimulating and engaging work that gives you an opportunity to interact with a wide range of experts in the financial, political, public and private sectors across the regions we invest in
A working culture that embraces inclusion and celebrates diversity
We offer hybrid and flexible working arrangements and believe we operate at our best when collaborating 3 days a week in person (minimum)
An environment that places sustainability, equality and digital transformation at the heart of what we do
A workplace that prioritises employee wellbeing and provides a comprehensive suite of competitive benefits

Fulltime

!

Mid-level Backend Engineer

AlphaSights

Location:
United Kingdom , London

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:
December 17, 2025

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